| blob | fe9b418e4dcb05c73da3541da68b64cfc38ebf86 |
1 /* NeXT/Open/GNUstep / macOS communication module. -*- coding: utf-8 -*-
3 Copyright (C) 1989, 1993-1994, 2005-2006, 2008-2017 Free Software
4 Foundation, Inc.
6 This file is part of GNU Emacs.
8 GNU Emacs is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or (at
11 your option) any later version.
13 GNU Emacs is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
21 /*
22 Originally by Carl Edman
23 Updated by Christian Limpach (chris@nice.ch)
24 OpenStep/Rhapsody port by Scott Bender (sbender@harmony-ds.com)
25 macOS/Aqua port by Christophe de Dinechin (descubes@earthlink.net)
26 GNUstep port and post-20 update by Adrian Robert (arobert@cogsci.ucsd.edu)
27 */
29 /* This should be the first include, as it may set up #defines affecting
30 interpretation of even the system includes. */
31 #include <config.h>
33 #include <fcntl.h>
34 #include <math.h>
35 #include <pthread.h>
36 #include <sys/types.h>
37 #include <time.h>
38 #include <signal.h>
39 #include <unistd.h>
41 #include <c-ctype.h>
42 #include <c-strcase.h>
43 #include <ftoastr.h>
45 #include "lisp.h"
46 #include "blockinput.h"
47 #include "sysselect.h"
48 #include "nsterm.h"
49 #include "systime.h"
50 #include "character.h"
51 #include "fontset.h"
52 #include "composite.h"
53 #include "ccl.h"
55 #include "termhooks.h"
56 #include "termchar.h"
57 #include "menu.h"
58 #include "window.h"
59 #include "keyboard.h"
60 #include "buffer.h"
61 #include "font.h"
63 #ifdef NS_IMPL_GNUSTEP
64 #include "process.h"
65 #endif
67 #ifdef NS_IMPL_COCOA
68 #include "macfont.h"
69 #endif
72 extern NSString *NSMenuDidBeginTrackingNotification;
75 /* ==========================================================================
77 NSTRACE, Trace support.
79 ========================================================================== */
81 #if NSTRACE_ENABLED
83 /* The following use "volatile" since they can be accessed from
84 parallel threads. */
85 volatile int nstrace_num = 0;
86 volatile int nstrace_depth = 0;
88 /* When 0, no trace is emitted. This is used by NSTRACE_WHEN and
89 NSTRACE_UNLESS to silence functions called.
91 TODO: This should really be a thread-local variable, to avoid that
92 a function with disabled trace thread silence trace output in
93 another. However, in practice this seldom is a problem. */
94 volatile int nstrace_enabled_global = 1;
96 /* Called when nstrace_enabled goes out of scope. */
97 void nstrace_leave(int * pointer_to_nstrace_enabled)
98 {
99 if (*pointer_to_nstrace_enabled)
100 {
101 --nstrace_depth;
102 }
103 }
106 /* Called when nstrace_saved_enabled_global goes out of scope. */
107 void nstrace_restore_global_trace_state(int * pointer_to_saved_enabled_global)
108 {
109 nstrace_enabled_global = *pointer_to_saved_enabled_global;
110 }
113 char const * nstrace_fullscreen_type_name (int fs_type)
114 {
115 switch (fs_type)
116 {
117 case -1: return "-1";
118 case FULLSCREEN_NONE: return "FULLSCREEN_NONE";
119 case FULLSCREEN_WIDTH: return "FULLSCREEN_WIDTH";
120 case FULLSCREEN_HEIGHT: return "FULLSCREEN_HEIGHT";
121 case FULLSCREEN_BOTH: return "FULLSCREEN_BOTH";
122 case FULLSCREEN_MAXIMIZED: return "FULLSCREEN_MAXIMIZED";
123 default: return "FULLSCREEN_?????";
124 }
125 }
126 #endif
129 /* ==========================================================================
131 NSColor, EmacsColor category.
133 ========================================================================== */
134 @implementation NSColor (EmacsColor)
135 + (NSColor *)colorForEmacsRed:(CGFloat)red green:(CGFloat)green
136 blue:(CGFloat)blue alpha:(CGFloat)alpha
137 {
138 #ifdef NS_IMPL_COCOA
139 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
140 if (ns_use_srgb_colorspace)
141 return [NSColor colorWithSRGBRed: red
142 green: green
143 blue: blue
144 alpha: alpha];
145 #endif
146 #endif
147 return [NSColor colorWithCalibratedRed: red
148 green: green
149 blue: blue
150 alpha: alpha];
151 }
153 - (NSColor *)colorUsingDefaultColorSpace
154 {
155 #ifdef NS_IMPL_COCOA
156 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
157 if (ns_use_srgb_colorspace)
158 return [self colorUsingColorSpace: [NSColorSpace sRGBColorSpace]];
159 #endif
160 #endif
161 return [self colorUsingColorSpaceName: NSCalibratedRGBColorSpace];
162 }
164 @end
166 /* ==========================================================================
168 Local declarations
170 ========================================================================== */
172 /* Convert a symbol indexed with an NSxxx value to a value as defined
173 in keyboard.c (lispy_function_key). I hope this is a correct way
174 of doing things... */
175 static unsigned convert_ns_to_X_keysym[] =
176 {
177 NSHomeFunctionKey, 0x50,
178 NSLeftArrowFunctionKey, 0x51,
179 NSUpArrowFunctionKey, 0x52,
180 NSRightArrowFunctionKey, 0x53,
181 NSDownArrowFunctionKey, 0x54,
182 NSPageUpFunctionKey, 0x55,
183 NSPageDownFunctionKey, 0x56,
184 NSEndFunctionKey, 0x57,
185 NSBeginFunctionKey, 0x58,
186 NSSelectFunctionKey, 0x60,
187 NSPrintFunctionKey, 0x61,
188 NSClearLineFunctionKey, 0x0B,
189 NSExecuteFunctionKey, 0x62,
190 NSInsertFunctionKey, 0x63,
191 NSUndoFunctionKey, 0x65,
192 NSRedoFunctionKey, 0x66,
193 NSMenuFunctionKey, 0x67,
194 NSFindFunctionKey, 0x68,
195 NSHelpFunctionKey, 0x6A,
196 NSBreakFunctionKey, 0x6B,
198 NSF1FunctionKey, 0xBE,
199 NSF2FunctionKey, 0xBF,
200 NSF3FunctionKey, 0xC0,
201 NSF4FunctionKey, 0xC1,
202 NSF5FunctionKey, 0xC2,
203 NSF6FunctionKey, 0xC3,
204 NSF7FunctionKey, 0xC4,
205 NSF8FunctionKey, 0xC5,
206 NSF9FunctionKey, 0xC6,
207 NSF10FunctionKey, 0xC7,
208 NSF11FunctionKey, 0xC8,
209 NSF12FunctionKey, 0xC9,
210 NSF13FunctionKey, 0xCA,
211 NSF14FunctionKey, 0xCB,
212 NSF15FunctionKey, 0xCC,
213 NSF16FunctionKey, 0xCD,
214 NSF17FunctionKey, 0xCE,
215 NSF18FunctionKey, 0xCF,
216 NSF19FunctionKey, 0xD0,
217 NSF20FunctionKey, 0xD1,
218 NSF21FunctionKey, 0xD2,
219 NSF22FunctionKey, 0xD3,
220 NSF23FunctionKey, 0xD4,
221 NSF24FunctionKey, 0xD5,
223 NSBackspaceCharacter, 0x08, /* 8: Not on some KBs. */
224 NSDeleteCharacter, 0xFF, /* 127: Big 'delete' key upper right. */
225 NSDeleteFunctionKey, 0x9F, /* 63272: Del forw key off main array. */
227 NSTabCharacter, 0x09,
228 0x19, 0x09, /* left tab->regular since pass shift */
229 NSCarriageReturnCharacter, 0x0D,
230 NSNewlineCharacter, 0x0D,
231 NSEnterCharacter, 0x8D,
233 0x41|NSNumericPadKeyMask, 0xAE, /* KP_Decimal */
234 0x43|NSNumericPadKeyMask, 0xAA, /* KP_Multiply */
235 0x45|NSNumericPadKeyMask, 0xAB, /* KP_Add */
236 0x4B|NSNumericPadKeyMask, 0xAF, /* KP_Divide */
237 0x4E|NSNumericPadKeyMask, 0xAD, /* KP_Subtract */
238 0x51|NSNumericPadKeyMask, 0xBD, /* KP_Equal */
239 0x52|NSNumericPadKeyMask, 0xB0, /* KP_0 */
240 0x53|NSNumericPadKeyMask, 0xB1, /* KP_1 */
241 0x54|NSNumericPadKeyMask, 0xB2, /* KP_2 */
242 0x55|NSNumericPadKeyMask, 0xB3, /* KP_3 */
243 0x56|NSNumericPadKeyMask, 0xB4, /* KP_4 */
244 0x57|NSNumericPadKeyMask, 0xB5, /* KP_5 */
245 0x58|NSNumericPadKeyMask, 0xB6, /* KP_6 */
246 0x59|NSNumericPadKeyMask, 0xB7, /* KP_7 */
247 0x5B|NSNumericPadKeyMask, 0xB8, /* KP_8 */
248 0x5C|NSNumericPadKeyMask, 0xB9, /* KP_9 */
250 0x1B, 0x1B /* escape */
251 };
253 /* On macOS picks up the default NSGlobalDomain AppleAntiAliasingThreshold,
254 the maximum font size to NOT antialias. On GNUstep there is currently
255 no way to control this behavior. */
256 float ns_antialias_threshold;
258 NSArray *ns_send_types =0, *ns_return_types =0, *ns_drag_types =0;
259 NSString *ns_app_name = @"Emacs"; /* default changed later */
261 /* Display variables */
262 struct ns_display_info *x_display_list; /* Chain of existing displays */
263 long context_menu_value = 0;
265 /* display update */
266 static struct frame *ns_updating_frame;
267 static NSView *focus_view = NULL;
268 static int ns_window_num = 0;
269 #ifdef NS_IMPL_GNUSTEP
270 static NSRect uRect; // TODO: This is dead, remove it?
271 #endif
272 static BOOL gsaved = NO;
273 static BOOL ns_fake_keydown = NO;
274 #ifdef NS_IMPL_COCOA
275 static BOOL ns_menu_bar_is_hidden = NO;
276 #endif
277 /*static int debug_lock = 0; */
279 /* event loop */
280 static BOOL send_appdefined = YES;
281 #define NO_APPDEFINED_DATA (-8)
282 static int last_appdefined_event_data = NO_APPDEFINED_DATA;
283 static NSTimer *timed_entry = 0;
284 static NSTimer *scroll_repeat_entry = nil;
285 static fd_set select_readfds, select_writefds;
286 enum { SELECT_HAVE_READ = 1, SELECT_HAVE_WRITE = 2, SELECT_HAVE_TMO = 4 };
287 static int select_nfds = 0, select_valid = 0;
288 static struct timespec select_timeout = { 0, 0 };
289 static int selfds[2] = { -1, -1 };
290 static pthread_mutex_t select_mutex;
291 static int apploopnr = 0;
292 static NSAutoreleasePool *outerpool;
293 static struct input_event *emacs_event = NULL;
294 static struct input_event *q_event_ptr = NULL;
295 static int n_emacs_events_pending = 0;
296 static NSMutableArray *ns_pending_files, *ns_pending_service_names,
297 *ns_pending_service_args;
298 static BOOL ns_do_open_file = NO;
299 static BOOL ns_last_use_native_fullscreen;
301 /* Non-zero means that a HELP_EVENT has been generated since Emacs
302 start. */
304 static BOOL any_help_event_p = NO;
306 static struct {
307 struct input_event *q;
308 int nr, cap;
309 } hold_event_q = {
310 NULL, 0, 0
311 };
313 static NSString *represented_filename = nil;
314 static struct frame *represented_frame = 0;
316 #ifdef NS_IMPL_COCOA
317 /*
318 * State for pending menu activation:
319 * MENU_NONE Normal state
320 * MENU_PENDING A menu has been clicked on, but has been canceled so we can
321 * run lisp to update the menu.
322 * MENU_OPENING Menu is up to date, and the click event is redone so the menu
323 * will open.
324 */
325 #define MENU_NONE 0
326 #define MENU_PENDING 1
327 #define MENU_OPENING 2
328 static int menu_will_open_state = MENU_NONE;
330 /* Saved position for menu click. */
331 static CGPoint menu_mouse_point;
332 #endif
334 /* Convert modifiers in a NeXTstep event to emacs style modifiers. */
335 #define NS_FUNCTION_KEY_MASK 0x800000
336 #define NSLeftControlKeyMask (0x000001 | NSControlKeyMask)
337 #define NSRightControlKeyMask (0x002000 | NSControlKeyMask)
338 #define NSLeftCommandKeyMask (0x000008 | NSCommandKeyMask)
339 #define NSRightCommandKeyMask (0x000010 | NSCommandKeyMask)
340 #define NSLeftAlternateKeyMask (0x000020 | NSAlternateKeyMask)
341 #define NSRightAlternateKeyMask (0x000040 | NSAlternateKeyMask)
342 #define EV_MODIFIERS2(flags) \
343 (((flags & NSHelpKeyMask) ? \
344 hyper_modifier : 0) \
345 | (!EQ (ns_right_alternate_modifier, Qleft) && \
346 ((flags & NSRightAlternateKeyMask) \
347 == NSRightAlternateKeyMask) ? \
348 parse_solitary_modifier (ns_right_alternate_modifier) : 0) \
349 | ((flags & NSAlternateKeyMask) ? \
350 parse_solitary_modifier (ns_alternate_modifier) : 0) \
351 | ((flags & NSShiftKeyMask) ? \
352 shift_modifier : 0) \
353 | (!EQ (ns_right_control_modifier, Qleft) && \
354 ((flags & NSRightControlKeyMask) \
355 == NSRightControlKeyMask) ? \
356 parse_solitary_modifier (ns_right_control_modifier) : 0) \
357 | ((flags & NSControlKeyMask) ? \
358 parse_solitary_modifier (ns_control_modifier) : 0) \
359 | ((flags & NS_FUNCTION_KEY_MASK) ? \
360 parse_solitary_modifier (ns_function_modifier) : 0) \
361 | (!EQ (ns_right_command_modifier, Qleft) && \
362 ((flags & NSRightCommandKeyMask) \
363 == NSRightCommandKeyMask) ? \
364 parse_solitary_modifier (ns_right_command_modifier) : 0) \
365 | ((flags & NSCommandKeyMask) ? \
366 parse_solitary_modifier (ns_command_modifier):0))
367 #define EV_MODIFIERS(e) EV_MODIFIERS2 ([e modifierFlags])
369 #define EV_UDMODIFIERS(e) \
370 ((([e type] == NSLeftMouseDown) ? down_modifier : 0) \
371 | (([e type] == NSRightMouseDown) ? down_modifier : 0) \
372 | (([e type] == NSOtherMouseDown) ? down_modifier : 0) \
373 | (([e type] == NSLeftMouseDragged) ? down_modifier : 0) \
374 | (([e type] == NSRightMouseDragged) ? down_modifier : 0) \
375 | (([e type] == NSOtherMouseDragged) ? down_modifier : 0) \
376 | (([e type] == NSLeftMouseUp) ? up_modifier : 0) \
377 | (([e type] == NSRightMouseUp) ? up_modifier : 0) \
378 | (([e type] == NSOtherMouseUp) ? up_modifier : 0))
380 #define EV_BUTTON(e) \
381 ((([e type] == NSLeftMouseDown) || ([e type] == NSLeftMouseUp)) ? 0 : \
382 (([e type] == NSRightMouseDown) || ([e type] == NSRightMouseUp)) ? 2 : \
383 [e buttonNumber] - 1)
385 /* Convert the time field to a timestamp in milliseconds. */
386 #define EV_TIMESTAMP(e) ([e timestamp] * 1000)
388 /* This is a piece of code which is common to all the event handling
389 methods. Maybe it should even be a function. */
390 #define EV_TRAILER(e) \
391 { \
392 XSETFRAME (emacs_event->frame_or_window, emacsframe); \
393 EV_TRAILER2 (e); \
394 }
396 #define EV_TRAILER2(e) \
397 { \
398 if (e) emacs_event->timestamp = EV_TIMESTAMP (e); \
399 if (q_event_ptr) \
400 { \
401 Lisp_Object tem = Vinhibit_quit; \
402 Vinhibit_quit = Qt; \
403 n_emacs_events_pending++; \
404 kbd_buffer_store_event_hold (emacs_event, q_event_ptr); \
405 Vinhibit_quit = tem; \
406 } \
407 else \
408 hold_event (emacs_event); \
409 EVENT_INIT (*emacs_event); \
410 ns_send_appdefined (-1); \
411 }
413 /* TODO: get rid of need for these forward declarations */
414 static void ns_condemn_scroll_bars (struct frame *f);
415 static void ns_judge_scroll_bars (struct frame *f);
416 void x_set_frame_alpha (struct frame *f);
419 /* ==========================================================================
421 Utilities
423 ========================================================================== */
425 void
426 ns_set_represented_filename (NSString* fstr, struct frame *f)
427 {
428 represented_filename = [fstr retain];
429 represented_frame = f;
430 }
432 void
433 ns_init_events (struct input_event* ev)
434 {
435 EVENT_INIT (*ev);
436 emacs_event = ev;
437 }
439 void
440 ns_finish_events ()
441 {
442 emacs_event = NULL;
443 }
445 static void
446 hold_event (struct input_event *event)
447 {
448 if (hold_event_q.nr == hold_event_q.cap)
449 {
450 if (hold_event_q.cap == 0) hold_event_q.cap = 10;
451 else hold_event_q.cap *= 2;
452 hold_event_q.q =
453 xrealloc (hold_event_q.q, hold_event_q.cap * sizeof *hold_event_q.q);
454 }
456 hold_event_q.q[hold_event_q.nr++] = *event;
457 /* Make sure ns_read_socket is called, i.e. we have input. */
458 raise (SIGIO);
459 send_appdefined = YES;
460 }
462 static Lisp_Object
463 append2 (Lisp_Object list, Lisp_Object item)
464 /* --------------------------------------------------------------------------
465 Utility to append to a list
466 -------------------------------------------------------------------------- */
467 {
468 return CALLN (Fnconc, list, list1 (item));
469 }
472 const char *
473 ns_etc_directory (void)
474 /* If running as a self-contained app bundle, return as a string the
475 filename of the etc directory, if present; else nil. */
476 {
477 NSBundle *bundle = [NSBundle mainBundle];
478 NSString *resourceDir = [bundle resourcePath];
479 NSString *resourcePath;
480 NSFileManager *fileManager = [NSFileManager defaultManager];
481 BOOL isDir;
483 resourcePath = [resourceDir stringByAppendingPathComponent: @"etc"];
484 if ([fileManager fileExistsAtPath: resourcePath isDirectory: &isDir])
485 {
486 if (isDir) return [resourcePath UTF8String];
487 }
488 return NULL;
489 }
492 const char *
493 ns_exec_path (void)
494 /* If running as a self-contained app bundle, return as a path string
495 the filenames of the libexec and bin directories, ie libexec:bin.
496 Otherwise, return nil.
497 Normally, Emacs does not add its own bin/ directory to the PATH.
498 However, a self-contained NS build has a different layout, with
499 bin/ and libexec/ subdirectories in the directory that contains
500 Emacs.app itself.
501 We put libexec first, because init_callproc_1 uses the first
502 element to initialize exec-directory. An alternative would be
503 for init_callproc to check for invocation-directory/libexec.
504 */
505 {
506 NSBundle *bundle = [NSBundle mainBundle];
507 NSString *resourceDir = [bundle resourcePath];
508 NSString *binDir = [bundle bundlePath];
509 NSString *resourcePath, *resourcePaths;
510 NSRange range;
511 NSString *pathSeparator = [NSString stringWithFormat: @"%c", SEPCHAR];
512 NSFileManager *fileManager = [NSFileManager defaultManager];
513 NSArray *paths;
514 NSEnumerator *pathEnum;
515 BOOL isDir;
517 range = [resourceDir rangeOfString: @"Contents"];
518 if (range.location != NSNotFound)
519 {
520 binDir = [binDir stringByAppendingPathComponent: @"Contents"];
521 #ifdef NS_IMPL_COCOA
522 binDir = [binDir stringByAppendingPathComponent: @"MacOS"];
523 #endif
524 }
526 paths = [binDir stringsByAppendingPaths:
527 [NSArray arrayWithObjects: @"libexec", @"bin", nil]];
528 pathEnum = [paths objectEnumerator];
529 resourcePaths = @"";
531 while ((resourcePath = [pathEnum nextObject]))
532 {
533 if ([fileManager fileExistsAtPath: resourcePath isDirectory: &isDir])
534 if (isDir)
535 {
536 if ([resourcePaths length] > 0)
537 resourcePaths
538 = [resourcePaths stringByAppendingString: pathSeparator];
539 resourcePaths
540 = [resourcePaths stringByAppendingString: resourcePath];
541 }
542 }
543 if ([resourcePaths length] > 0) return [resourcePaths UTF8String];
545 return NULL;
546 }
549 const char *
550 ns_load_path (void)
551 /* If running as a self-contained app bundle, return as a path string
552 the filenames of the site-lisp and lisp directories.
553 Ie, site-lisp:lisp. Otherwise, return nil. */
554 {
555 NSBundle *bundle = [NSBundle mainBundle];
556 NSString *resourceDir = [bundle resourcePath];
557 NSString *resourcePath, *resourcePaths;
558 NSString *pathSeparator = [NSString stringWithFormat: @"%c", SEPCHAR];
559 NSFileManager *fileManager = [NSFileManager defaultManager];
560 BOOL isDir;
561 NSArray *paths = [resourceDir stringsByAppendingPaths:
562 [NSArray arrayWithObjects:
563 @"site-lisp", @"lisp", nil]];
564 NSEnumerator *pathEnum = [paths objectEnumerator];
565 resourcePaths = @"";
567 /* Hack to skip site-lisp. */
568 if (no_site_lisp) resourcePath = [pathEnum nextObject];
570 while ((resourcePath = [pathEnum nextObject]))
571 {
572 if ([fileManager fileExistsAtPath: resourcePath isDirectory: &isDir])
573 if (isDir)
574 {
575 if ([resourcePaths length] > 0)
576 resourcePaths
577 = [resourcePaths stringByAppendingString: pathSeparator];
578 resourcePaths
579 = [resourcePaths stringByAppendingString: resourcePath];
580 }
581 }
582 if ([resourcePaths length] > 0) return [resourcePaths UTF8String];
584 return NULL;
585 }
588 void
589 ns_init_locale (void)
590 /* macOS doesn't set any environment variables for the locale when run
591 from the GUI. Get the locale from the OS and set LANG. */
592 {
593 NSLocale *locale = [NSLocale currentLocale];
595 NSTRACE ("ns_init_locale");
597 @try
598 {
599 /* It seems macOS should probably use UTF-8 everywhere.
600 'localeIdentifier' does not specify the encoding, and I can't
601 find any way to get the OS to tell us which encoding to use,
602 so hard-code '.UTF-8'. */
603 NSString *localeID = [NSString stringWithFormat:@"%@.UTF-8",
604 [locale localeIdentifier]];
606 /* Set LANG to locale, but not if LANG is already set. */
607 setenv("LANG", [localeID UTF8String], 0);
608 }
609 @catch (NSException *e)
610 {
611 NSLog (@"Locale detection failed: %@: %@", [e name], [e reason]);
612 }
613 }
616 void
617 ns_release_object (void *obj)
618 /* --------------------------------------------------------------------------
619 Release an object (callable from C)
620 -------------------------------------------------------------------------- */
621 {
622 [(id)obj release];
623 }
626 void
627 ns_retain_object (void *obj)
628 /* --------------------------------------------------------------------------
629 Retain an object (callable from C)
630 -------------------------------------------------------------------------- */
631 {
632 [(id)obj retain];
633 }
636 void *
637 ns_alloc_autorelease_pool (void)
638 /* --------------------------------------------------------------------------
639 Allocate a pool for temporary objects (callable from C)
640 -------------------------------------------------------------------------- */
641 {
642 return [[NSAutoreleasePool alloc] init];
643 }
646 void
647 ns_release_autorelease_pool (void *pool)
648 /* --------------------------------------------------------------------------
649 Free a pool and temporary objects it refers to (callable from C)
650 -------------------------------------------------------------------------- */
651 {
652 ns_release_object (pool);
653 }
656 static BOOL
657 ns_menu_bar_should_be_hidden (void)
658 /* True, if the menu bar should be hidden. */
659 {
660 return !NILP (ns_auto_hide_menu_bar)
661 && [NSApp respondsToSelector:@selector(setPresentationOptions:)];
662 }
665 struct EmacsMargins
666 {
667 CGFloat top;
668 CGFloat bottom;
669 CGFloat left;
670 CGFloat right;
671 };
674 static struct EmacsMargins
675 ns_screen_margins (NSScreen *screen)
676 /* The parts of SCREEN used by the operating system. */
677 {
678 NSTRACE ("ns_screen_margins");
680 struct EmacsMargins margins;
682 NSRect screenFrame = [screen frame];
683 NSRect screenVisibleFrame = [screen visibleFrame];
685 /* Sometimes, visibleFrame isn't up-to-date with respect to a hidden
686 menu bar, check this explicitly. */
687 if (ns_menu_bar_should_be_hidden())
688 {
689 margins.top = 0;
690 }
691 else
692 {
693 CGFloat frameTop = screenFrame.origin.y + screenFrame.size.height;
694 CGFloat visibleFrameTop = (screenVisibleFrame.origin.y
695 + screenVisibleFrame.size.height);
697 margins.top = frameTop - visibleFrameTop;
698 }
700 {
701 CGFloat frameRight = screenFrame.origin.x + screenFrame.size.width;
702 CGFloat visibleFrameRight = (screenVisibleFrame.origin.x
703 + screenVisibleFrame.size.width);
704 margins.right = frameRight - visibleFrameRight;
705 }
707 margins.bottom = screenVisibleFrame.origin.y - screenFrame.origin.y;
708 margins.left = screenVisibleFrame.origin.x - screenFrame.origin.x;
710 NSTRACE_MSG ("left:%g right:%g top:%g bottom:%g",
711 margins.left,
712 margins.right,
713 margins.top,
714 margins.bottom);
716 return margins;
717 }
720 /* A screen margin between 1 and DOCK_IGNORE_LIMIT (inclusive) is
721 assumed to contain a hidden dock. macOS currently use 4 pixels for
722 this, however, to be future compatible, a larger value is used. */
723 #define DOCK_IGNORE_LIMIT 6
725 static struct EmacsMargins
726 ns_screen_margins_ignoring_hidden_dock (NSScreen *screen)
727 /* The parts of SCREEN used by the operating system, excluding the parts
728 reserved for an hidden dock. */
729 {
730 NSTRACE ("ns_screen_margins_ignoring_hidden_dock");
732 struct EmacsMargins margins = ns_screen_margins(screen);
734 /* macOS (currently) reserved 4 pixels along the edge where a hidden
735 dock is located. Unfortunately, it's not possible to find the
736 location and information about if the dock is hidden. Instead,
737 it is assumed that if the margin of an edge is less than
738 DOCK_IGNORE_LIMIT, it contains a hidden dock. */
739 if (margins.left <= DOCK_IGNORE_LIMIT)
740 {
741 margins.left = 0;
742 }
743 if (margins.right <= DOCK_IGNORE_LIMIT)
744 {
745 margins.right = 0;
746 }
747 if (margins.top <= DOCK_IGNORE_LIMIT)
748 {
749 margins.top = 0;
750 }
751 /* Note: This doesn't occur in current versions of macOS, but
752 included for completeness and future compatibility. */
753 if (margins.bottom <= DOCK_IGNORE_LIMIT)
754 {
755 margins.bottom = 0;
756 }
758 NSTRACE_MSG ("left:%g right:%g top:%g bottom:%g",
759 margins.left,
760 margins.right,
761 margins.top,
762 margins.bottom);
764 return margins;
765 }
768 static CGFloat
769 ns_menu_bar_height (NSScreen *screen)
770 /* The height of the menu bar, if visible.
772 Note: Don't use this when fullscreen is enabled -- the screen
773 sometimes includes, sometimes excludes the menu bar area. */
774 {
775 struct EmacsMargins margins = ns_screen_margins(screen);
777 CGFloat res = margins.top;
779 NSTRACE ("ns_menu_bar_height " NSTRACE_FMT_RETURN " %.0f", res);
781 return res;
782 }
785 /* ==========================================================================
787 Focus (clipping) and screen update
789 ========================================================================== */
791 //
792 // Window constraining
793 // -------------------
794 //
795 // To ensure that the windows are not placed under the menu bar, they
796 // are typically moved by the call-back constrainFrameRect. However,
797 // by overriding it, it's possible to inhibit this, leaving the window
798 // in it's original position.
799 //
800 // It's possible to hide the menu bar. However, technically, it's only
801 // possible to hide it when the application is active. To ensure that
802 // this work properly, the menu bar and window constraining are
803 // deferred until the application becomes active.
804 //
805 // Even though it's not possible to manually move a window above the
806 // top of the screen, it is allowed if it's done programmatically,
807 // when the menu is hidden. This allows the editable area to cover the
808 // full screen height.
809 //
810 // Test cases
811 // ----------
812 //
813 // Use the following extra files:
814 //
815 // init.el:
816 // ;; Hide menu and place frame slightly above the top of the screen.
817 // (setq ns-auto-hide-menu-bar t)
818 // (set-frame-position (selected-frame) 0 -20)
819 //
820 // Test 1:
821 //
822 // emacs -Q -l init.el
823 //
824 // Result: No menu bar, and the title bar should be above the screen.
825 //
826 // Test 2:
827 //
828 // emacs -Q
829 //
830 // Result: Menu bar visible, frame placed immediately below the menu.
831 //
833 static NSRect constrain_frame_rect(NSRect frameRect, bool isFullscreen)
834 {
835 NSTRACE ("constrain_frame_rect(" NSTRACE_FMT_RECT ")",
836 NSTRACE_ARG_RECT (frameRect));
838 // --------------------
839 // Collect information about the screen the frame is covering.
840 //
842 NSArray *screens = [NSScreen screens];
843 NSUInteger nr_screens = [screens count];
845 int i;
847 // The height of the menu bar, if present in any screen the frame is
848 // displayed in.
849 int menu_bar_height = 0;
851 // A rectangle covering all the screen the frame is displayed in.
852 NSRect multiscreenRect = NSMakeRect(0, 0, 0, 0);
853 for (i = 0; i < nr_screens; ++i )
854 {
855 NSScreen *s = [screens objectAtIndex: i];
856 NSRect scrRect = [s frame];
858 NSTRACE_MSG ("Screen %d: " NSTRACE_FMT_RECT,
859 i, NSTRACE_ARG_RECT (scrRect));
861 if (NSIntersectionRect (frameRect, scrRect).size.height != 0)
862 {
863 multiscreenRect = NSUnionRect (multiscreenRect, scrRect);
865 if (!isFullscreen)
866 {
867 CGFloat screen_menu_bar_height = ns_menu_bar_height (s);
868 menu_bar_height = max(menu_bar_height, screen_menu_bar_height);
869 }
870 }
871 }
873 NSTRACE_RECT ("multiscreenRect", multiscreenRect);
875 NSTRACE_MSG ("menu_bar_height: %d", menu_bar_height);
877 if (multiscreenRect.size.width == 0
878 || multiscreenRect.size.height == 0)
879 {
880 // Failed to find any monitor, give up.
881 NSTRACE_MSG ("multiscreenRect empty");
882 NSTRACE_RETURN_RECT (frameRect);
883 return frameRect;
884 }
887 // --------------------
888 // Find a suitable placement.
889 //
891 if (ns_menu_bar_should_be_hidden())
892 {
893 // When the menu bar is hidden, the user may place part of the
894 // frame above the top of the screen, for example to hide the
895 // title bar.
896 //
897 // Hence, keep the original position.
898 }
899 else
900 {
901 // Ensure that the frame is below the menu bar, or below the top
902 // of the screen.
903 //
904 // This assume that the menu bar is placed at the top in the
905 // rectangle that covers the monitors. (It doesn't have to be,
906 // but if it's not it's hard to do anything useful.)
907 CGFloat topOfWorkArea = (multiscreenRect.origin.y
908 + multiscreenRect.size.height
909 - menu_bar_height);
911 CGFloat topOfFrame = frameRect.origin.y + frameRect.size.height;
912 if (topOfFrame > topOfWorkArea)
913 {
914 frameRect.origin.y -= topOfFrame - topOfWorkArea;
915 NSTRACE_RECT ("After placement adjust", frameRect);
916 }
917 }
919 // Include the following section to restrict frame to the screens.
920 // (If so, update it to allow the frame to stretch down below the
921 // screen.)
922 #if 0
923 // --------------------
924 // Ensure frame doesn't stretch below the screens.
925 //
927 CGFloat diff = multiscreenRect.origin.y - frameRect.origin.y;
929 if (diff > 0)
930 {
931 frameRect.origin.y = multiscreenRect.origin.y;
932 frameRect.size.height -= diff;
933 }
934 #endif
936 NSTRACE_RETURN_RECT (frameRect);
937 return frameRect;
938 }
941 static void
942 ns_constrain_all_frames (void)
943 /* --------------------------------------------------------------------------
944 Ensure that the menu bar doesn't cover any frames.
945 -------------------------------------------------------------------------- */
946 {
947 Lisp_Object tail, frame;
949 NSTRACE ("ns_constrain_all_frames");
951 block_input ();
953 FOR_EACH_FRAME (tail, frame)
954 {
955 struct frame *f = XFRAME (frame);
956 if (FRAME_NS_P (f))
957 {
958 EmacsView *view = FRAME_NS_VIEW (f);
960 if (![view isFullscreen])
961 {
962 [[view window]
963 setFrame:constrain_frame_rect([[view window] frame], false)
964 display:NO];
965 }
966 }
967 }
969 unblock_input ();
970 }
973 static void
974 ns_update_auto_hide_menu_bar (void)
975 /* --------------------------------------------------------------------------
976 Show or hide the menu bar, based on user setting.
977 -------------------------------------------------------------------------- */
978 {
979 #ifdef NS_IMPL_COCOA
980 NSTRACE ("ns_update_auto_hide_menu_bar");
982 block_input ();
984 if (NSApp != nil && [NSApp isActive])
985 {
986 // Note, "setPresentationOptions" triggers an error unless the
987 // application is active.
988 BOOL menu_bar_should_be_hidden = ns_menu_bar_should_be_hidden ();
990 if (menu_bar_should_be_hidden != ns_menu_bar_is_hidden)
991 {
992 NSApplicationPresentationOptions options
993 = NSApplicationPresentationDefault;
995 if (menu_bar_should_be_hidden)
996 options |= NSApplicationPresentationAutoHideMenuBar
997 | NSApplicationPresentationAutoHideDock;
999 [NSApp setPresentationOptions: options];
1001 ns_menu_bar_is_hidden = menu_bar_should_be_hidden;
1003 if (!ns_menu_bar_is_hidden)
1004 {
1005 ns_constrain_all_frames ();
1006 }
1007 }
1008 }
1010 unblock_input ();
1011 #endif
1012 }
1015 static void
1016 ns_update_begin (struct frame *f)
1017 /* --------------------------------------------------------------------------
1018 Prepare for a grouped sequence of drawing calls
1019 external (RIF) call; whole frame, called before update_window_begin
1020 -------------------------------------------------------------------------- */
1021 {
1022 EmacsView *view = FRAME_NS_VIEW (f);
1023 NSTRACE_WHEN (NSTRACE_GROUP_UPDATES, "ns_update_begin");
1025 ns_update_auto_hide_menu_bar ();
1027 #ifdef NS_IMPL_COCOA
1028 if ([view isFullscreen] && [view fsIsNative])
1029 {
1030 // Fix reappearing tool bar in fullscreen for Mac OS X 10.7
1031 BOOL tbar_visible = FRAME_EXTERNAL_TOOL_BAR (f) ? YES : NO;
1032 NSToolbar *toolbar = [FRAME_NS_VIEW (f) toolbar];
1033 if (! tbar_visible != ! [toolbar isVisible])
1034 [toolbar setVisible: tbar_visible];
1035 }
1036 #endif
1038 ns_updating_frame = f;
1039 [view lockFocus];
1041 /* drawRect may have been called for say the minibuffer, and then clip path
1042 is for the minibuffer. But the display engine may draw more because
1043 we have set the frame as garbaged. So reset clip path to the whole
1044 view. */
1045 #ifdef NS_IMPL_COCOA
1046 {
1047 NSBezierPath *bp;
1048 NSRect r = [view frame];
1049 NSRect cr = [[view window] frame];
1050 /* If a large frame size is set, r may be larger than the window frame
1051 before constrained. In that case don't change the clip path, as we
1052 will clear in to the tool bar and title bar. */
1053 if (r.size.height
1054 + FRAME_NS_TITLEBAR_HEIGHT (f)
1055 + FRAME_TOOLBAR_HEIGHT (f) <= cr.size.height)
1056 {
1057 bp = [[NSBezierPath bezierPathWithRect: r] retain];
1058 [bp setClip];
1059 [bp release];
1060 }
1061 }
1062 #endif
1064 #ifdef NS_IMPL_GNUSTEP
1065 uRect = NSMakeRect (0, 0, 0, 0);
1066 #endif
1067 }
1070 static void
1071 ns_update_window_begin (struct window *w)
1072 /* --------------------------------------------------------------------------
1073 Prepare for a grouped sequence of drawing calls
1074 external (RIF) call; for one window, called after update_begin
1075 -------------------------------------------------------------------------- */
1076 {
1077 struct frame *f = XFRAME (WINDOW_FRAME (w));
1078 Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
1080 NSTRACE_WHEN (NSTRACE_GROUP_UPDATES, "ns_update_window_begin");
1081 w->output_cursor = w->cursor;
1083 block_input ();
1085 if (f == hlinfo->mouse_face_mouse_frame)
1086 {
1087 /* Don't do highlighting for mouse motion during the update. */
1088 hlinfo->mouse_face_defer = 1;
1090 /* If the frame needs to be redrawn,
1091 simply forget about any prior mouse highlighting. */
1092 if (FRAME_GARBAGED_P (f))
1093 hlinfo->mouse_face_window = Qnil;
1095 /* (further code for mouse faces ifdef'd out in other terms elided) */
1096 }
1098 unblock_input ();
1099 }
1102 static void
1103 ns_update_window_end (struct window *w, bool cursor_on_p,
1104 bool mouse_face_overwritten_p)
1105 /* --------------------------------------------------------------------------
1106 Finished a grouped sequence of drawing calls
1107 external (RIF) call; for one window called before update_end
1108 -------------------------------------------------------------------------- */
1109 {
1110 NSTRACE_WHEN (NSTRACE_GROUP_UPDATES, "ns_update_window_end");
1112 /* note: this fn is nearly identical in all terms */
1113 if (!w->pseudo_window_p)
1114 {
1115 block_input ();
1117 if (cursor_on_p)
1118 display_and_set_cursor (w, 1,
1119 w->output_cursor.hpos, w->output_cursor.vpos,
1120 w->output_cursor.x, w->output_cursor.y);
1122 if (draw_window_fringes (w, 1))
1123 {
1124 if (WINDOW_RIGHT_DIVIDER_WIDTH (w))
1125 x_draw_right_divider (w);
1126 else
1127 x_draw_vertical_border (w);
1128 }
1130 unblock_input ();
1131 }
1133 /* If a row with mouse-face was overwritten, arrange for
1134 frame_up_to_date to redisplay the mouse highlight. */
1135 if (mouse_face_overwritten_p)
1136 reset_mouse_highlight (MOUSE_HL_INFO (XFRAME (w->frame)));
1137 }
1140 static void
1141 ns_update_end (struct frame *f)
1142 /* --------------------------------------------------------------------------
1143 Finished a grouped sequence of drawing calls
1144 external (RIF) call; for whole frame, called after update_window_end
1145 -------------------------------------------------------------------------- */
1146 {
1147 EmacsView *view = FRAME_NS_VIEW (f);
1149 NSTRACE_WHEN (NSTRACE_GROUP_UPDATES, "ns_update_end");
1151 /* if (f == MOUSE_HL_INFO (f)->mouse_face_mouse_frame) */
1152 MOUSE_HL_INFO (f)->mouse_face_defer = 0;
1154 block_input ();
1156 [view unlockFocus];
1157 [[view window] flushWindow];
1159 unblock_input ();
1160 ns_updating_frame = NULL;
1161 }
1163 static void
1164 ns_focus (struct frame *f, NSRect *r, int n)
1165 /* --------------------------------------------------------------------------
1166 Internal: Focus on given frame. During small local updates this is used to
1167 draw, however during large updates, ns_update_begin and ns_update_end are
1168 called to wrap the whole thing, in which case these calls are stubbed out.
1169 Except, on GNUstep, we accumulate the rectangle being drawn into, because
1170 the back end won't do this automatically, and will just end up flushing
1171 the entire window.
1172 -------------------------------------------------------------------------- */
1173 {
1174 NSTRACE_WHEN (NSTRACE_GROUP_FOCUS, "ns_focus");
1175 if (r != NULL)
1176 {
1177 NSTRACE_RECT ("r", *r);
1178 }
1180 if (f != ns_updating_frame)
1181 {
1182 NSView *view = FRAME_NS_VIEW (f);
1183 if (view != focus_view)
1184 {
1185 if (focus_view != NULL)
1186 {
1187 [focus_view unlockFocus];
1188 [[focus_view window] flushWindow];
1189 /*debug_lock--; */
1190 }
1192 if (view)
1193 [view lockFocus];
1194 focus_view = view;
1195 /*if (view) debug_lock++; */
1196 }
1197 }
1199 /* clipping */
1200 if (r)
1201 {
1202 [[NSGraphicsContext currentContext] saveGraphicsState];
1203 if (n == 2)
1204 NSRectClipList (r, 2);
1205 else
1206 NSRectClip (*r);
1207 gsaved = YES;
1208 }
1209 }
1212 static void
1213 ns_unfocus (struct frame *f)
1214 /* --------------------------------------------------------------------------
1215 Internal: Remove focus on given frame
1216 -------------------------------------------------------------------------- */
1217 {
1218 NSTRACE_WHEN (NSTRACE_GROUP_FOCUS, "ns_unfocus");
1220 if (gsaved)
1221 {
1222 [[NSGraphicsContext currentContext] restoreGraphicsState];
1223 gsaved = NO;
1224 }
1226 if (f != ns_updating_frame)
1227 {
1228 if (focus_view != NULL)
1229 {
1230 [focus_view unlockFocus];
1231 [[focus_view window] flushWindow];
1232 focus_view = NULL;
1233 /*debug_lock--; */
1234 }
1235 }
1236 }
1239 static void
1240 ns_clip_to_row (struct window *w, struct glyph_row *row,
1241 enum glyph_row_area area, BOOL gc)
1242 /* --------------------------------------------------------------------------
1243 Internal (but parallels other terms): Focus drawing on given row
1244 -------------------------------------------------------------------------- */
1245 {
1246 struct frame *f = XFRAME (WINDOW_FRAME (w));
1247 NSRect clip_rect;
1248 int window_x, window_y, window_width;
1250 window_box (w, area, &window_x, &window_y, &window_width, 0);
1252 clip_rect.origin.x = window_x;
1253 clip_rect.origin.y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, row->y));
1254 clip_rect.origin.y = max (clip_rect.origin.y, window_y);
1255 clip_rect.size.width = window_width;
1256 clip_rect.size.height = row->visible_height;
1258 ns_focus (f, &clip_rect, 1);
1259 }
1262 /* ==========================================================================
1264 Visible bell and beep.
1266 ========================================================================== */
1269 // This bell implementation shows the visual bell image asynchronously
1270 // from the rest of Emacs. This is done by adding a NSView to the
1271 // superview of the Emacs window and removing it using a timer.
1272 //
1273 // Unfortunately, some Emacs operations, like scrolling, is done using
1274 // low-level primitives that copy the content of the window, including
1275 // the bell image. To some extent, this is handled by removing the
1276 // image prior to scrolling and marking that the window is in need for
1277 // redisplay.
1278 //
1279 // To test this code, make sure that there is no artifacts of the bell
1280 // image in the following situations. Use a non-empty buffer (like the
1281 // tutorial) to ensure that a scroll is performed:
1282 //
1283 // * Single-window: C-g C-v
1284 //
1285 // * Side-by-windows: C-x 3 C-g C-v
1286 //
1287 // * Windows above each other: C-x 2 C-g C-v
1289 @interface EmacsBell : NSImageView
1290 {
1291 // Number of currently active bell:s.
1292 unsigned int nestCount;
1293 NSView * mView;
1294 bool isAttached;
1295 }
1296 - (void)show:(NSView *)view;
1297 - (void)hide;
1298 - (void)remove;
1299 @end
1301 @implementation EmacsBell
1303 - (id)init;
1304 {
1305 NSTRACE ("[EmacsBell init]");
1306 if ((self = [super init]))
1307 {
1308 nestCount = 0;
1309 isAttached = false;
1310 #ifdef NS_IMPL_GNUSTEP
1311 // GNUstep doesn't provide named images. This was reported in
1312 // 2011, see https://savannah.gnu.org/bugs/?33396
1313 //
1314 // As a drop in replacement, a semitransparent gray square is used.
1315 self.image = [[NSImage alloc] initWithSize:NSMakeSize(32 * 5, 32 * 5)];
1316 [self.image lockFocus];
1317 [[NSColor colorForEmacsRed:0.5 green:0.5 blue:0.5 alpha:0.5] set];
1318 NSRectFill(NSMakeRect(0, 0, 32, 32));
1319 [self.image unlockFocus];
1320 #else
1321 self.image = [NSImage imageNamed:NSImageNameCaution];
1322 [self.image setSize:NSMakeSize(self.image.size.width * 5,
1323 self.image.size.height * 5)];
1324 #endif
1325 }
1326 return self;
1327 }
1329 - (void)show:(NSView *)view
1330 {
1331 NSTRACE ("[EmacsBell show:]");
1332 NSTRACE_MSG ("nestCount: %u", nestCount);
1334 // Show the image, unless it's already shown.
1335 if (nestCount == 0)
1336 {
1337 NSRect rect = [view bounds];
1338 NSPoint pos;
1339 pos.x = rect.origin.x + (rect.size.width - self.image.size.width )/2;
1340 pos.y = rect.origin.y + (rect.size.height - self.image.size.height)/2;
1342 [self setFrameOrigin:pos];
1343 [self setFrameSize:self.image.size];
1345 isAttached = true;
1346 mView = view;
1347 [[[view window] contentView] addSubview:self
1348 positioned:NSWindowAbove
1349 relativeTo:nil];
1350 }
1352 ++nestCount;
1354 [self performSelector:@selector(hide) withObject:self afterDelay:0.5];
1355 }
1358 - (void)hide
1359 {
1360 // Note: Trace output from this method isn't shown, reason unknown.
1361 // NSTRACE ("[EmacsBell hide]");
1363 if (nestCount > 0)
1364 --nestCount;
1366 // Remove the image once the last bell became inactive.
1367 if (nestCount == 0)
1368 {
1369 [self remove];
1370 }
1371 }
1374 -(void)remove
1375 {
1376 NSTRACE ("[EmacsBell remove]");
1377 if (isAttached)
1378 {
1379 NSTRACE_MSG ("removeFromSuperview");
1380 [self removeFromSuperview];
1381 mView.needsDisplay = YES;
1382 isAttached = false;
1383 }
1384 }
1386 @end
1389 static EmacsBell * bell_view = nil;
1391 static void
1392 ns_ring_bell (struct frame *f)
1393 /* --------------------------------------------------------------------------
1394 "Beep" routine
1395 -------------------------------------------------------------------------- */
1396 {
1397 NSTRACE ("ns_ring_bell");
1398 if (visible_bell)
1399 {
1400 struct frame *frame = SELECTED_FRAME ();
1401 NSView *view;
1403 if (bell_view == nil)
1404 {
1405 bell_view = [[EmacsBell alloc] init];
1406 [bell_view retain];
1407 }
1409 block_input ();
1411 view = FRAME_NS_VIEW (frame);
1412 if (view != nil)
1413 {
1414 [bell_view show:view];
1415 }
1417 unblock_input ();
1418 }
1419 else
1420 {
1421 NSBeep ();
1422 }
1423 }
1426 static void hide_bell ()
1427 /* --------------------------------------------------------------------------
1428 Ensure the bell is hidden.
1429 -------------------------------------------------------------------------- */
1430 {
1431 NSTRACE ("hide_bell");
1433 if (bell_view != nil)
1434 {
1435 [bell_view remove];
1436 }
1437 }
1440 /* ==========================================================================
1442 Frame / window manager related functions
1444 ========================================================================== */
1447 static void
1448 ns_raise_frame (struct frame *f)
1449 /* --------------------------------------------------------------------------
1450 Bring window to foreground and make it active
1451 -------------------------------------------------------------------------- */
1452 {
1453 NSView *view;
1455 check_window_system (f);
1456 view = FRAME_NS_VIEW (f);
1457 block_input ();
1458 if (FRAME_VISIBLE_P (f))
1459 [[view window] makeKeyAndOrderFront: NSApp];
1460 unblock_input ();
1461 }
1464 static void
1465 ns_lower_frame (struct frame *f)
1466 /* --------------------------------------------------------------------------
1467 Send window to back
1468 -------------------------------------------------------------------------- */
1469 {
1470 NSView *view;
1472 check_window_system (f);
1473 view = FRAME_NS_VIEW (f);
1474 block_input ();
1475 [[view window] orderBack: NSApp];
1476 unblock_input ();
1477 }
1480 static void
1481 ns_frame_raise_lower (struct frame *f, bool raise)
1482 /* --------------------------------------------------------------------------
1483 External (hook)
1484 -------------------------------------------------------------------------- */
1485 {
1486 NSTRACE ("ns_frame_raise_lower");
1488 if (raise)
1489 ns_raise_frame (f);
1490 else
1491 ns_lower_frame (f);
1492 }
1495 static void
1496 ns_frame_rehighlight (struct frame *frame)
1497 /* --------------------------------------------------------------------------
1498 External (hook): called on things like window switching within frame
1499 -------------------------------------------------------------------------- */
1500 {
1501 struct ns_display_info *dpyinfo = FRAME_DISPLAY_INFO (frame);
1502 struct frame *old_highlight = dpyinfo->x_highlight_frame;
1504 NSTRACE ("ns_frame_rehighlight");
1505 if (dpyinfo->x_focus_frame)
1506 {
1507 dpyinfo->x_highlight_frame
1508 = (FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))
1509 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))
1510 : dpyinfo->x_focus_frame);
1511 if (!FRAME_LIVE_P (dpyinfo->x_highlight_frame))
1512 {
1513 fset_focus_frame (dpyinfo->x_focus_frame, Qnil);
1514 dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame;
1515 }
1516 }
1517 else
1518 dpyinfo->x_highlight_frame = 0;
1520 if (dpyinfo->x_highlight_frame &&
1521 dpyinfo->x_highlight_frame != old_highlight)
1522 {
1523 if (old_highlight)
1524 {
1525 x_update_cursor (old_highlight, 1);
1526 x_set_frame_alpha (old_highlight);
1527 }
1528 if (dpyinfo->x_highlight_frame)
1529 {
1530 x_update_cursor (dpyinfo->x_highlight_frame, 1);
1531 x_set_frame_alpha (dpyinfo->x_highlight_frame);
1532 }
1533 }
1534 }
1537 void
1538 x_make_frame_visible (struct frame *f)
1539 /* --------------------------------------------------------------------------
1540 External: Show the window (X11 semantics)
1541 -------------------------------------------------------------------------- */
1542 {
1543 NSTRACE ("x_make_frame_visible");
1544 /* XXX: at some points in past this was not needed, as the only place that
1545 called this (frame.c:Fraise_frame ()) also called raise_lower;
1546 if this ends up the case again, comment this out again. */
1547 if (!FRAME_VISIBLE_P (f))
1548 {
1549 EmacsView *view = (EmacsView *)FRAME_NS_VIEW (f);
1551 SET_FRAME_VISIBLE (f, 1);
1552 ns_raise_frame (f);
1554 /* Making a new frame from a fullscreen frame will make the new frame
1555 fullscreen also. So skip handleFS as this will print an error. */
1556 if ([view fsIsNative] && f->want_fullscreen == FULLSCREEN_BOTH
1557 && [view isFullscreen])
1558 return;
1560 if (f->want_fullscreen != FULLSCREEN_NONE)
1561 {
1562 block_input ();
1563 [view handleFS];
1564 unblock_input ();
1565 }
1566 }
1567 }
1570 void
1571 x_make_frame_invisible (struct frame *f)
1572 /* --------------------------------------------------------------------------
1573 External: Hide the window (X11 semantics)
1574 -------------------------------------------------------------------------- */
1575 {
1576 NSView *view;
1577 NSTRACE ("x_make_frame_invisible");
1578 check_window_system (f);
1579 view = FRAME_NS_VIEW (f);
1580 [[view window] orderOut: NSApp];
1581 SET_FRAME_VISIBLE (f, 0);
1582 SET_FRAME_ICONIFIED (f, 0);
1583 }
1586 void
1587 x_iconify_frame (struct frame *f)
1588 /* --------------------------------------------------------------------------
1589 External: Iconify window
1590 -------------------------------------------------------------------------- */
1591 {
1592 NSView *view;
1593 struct ns_display_info *dpyinfo;
1595 NSTRACE ("x_iconify_frame");
1596 check_window_system (f);
1597 view = FRAME_NS_VIEW (f);
1598 dpyinfo = FRAME_DISPLAY_INFO (f);
1600 if (dpyinfo->x_highlight_frame == f)
1601 dpyinfo->x_highlight_frame = 0;
1603 if ([[view window] windowNumber] <= 0)
1604 {
1605 /* the window is still deferred. Make it very small, bring it
1606 on screen and order it out. */
1607 NSRect s = { { 100, 100}, {0, 0} };
1608 NSRect t;
1609 t = [[view window] frame];
1610 [[view window] setFrame: s display: NO];
1611 [[view window] orderBack: NSApp];
1612 [[view window] orderOut: NSApp];
1613 [[view window] setFrame: t display: NO];
1614 }
1616 /* Processing input while Emacs is being minimized can cause a
1617 crash, so block it for the duration. */
1618 block_input();
1619 [[view window] miniaturize: NSApp];
1620 unblock_input();
1621 }
1623 /* Free X resources of frame F. */
1625 void
1626 x_free_frame_resources (struct frame *f)
1627 {
1628 NSView *view;
1629 struct ns_display_info *dpyinfo;
1630 Mouse_HLInfo *hlinfo;
1632 NSTRACE ("x_free_frame_resources");
1633 check_window_system (f);
1634 view = FRAME_NS_VIEW (f);
1635 dpyinfo = FRAME_DISPLAY_INFO (f);
1636 hlinfo = MOUSE_HL_INFO (f);
1638 [(EmacsView *)view setWindowClosing: YES]; /* may not have been informed */
1640 block_input ();
1642 free_frame_menubar (f);
1643 free_frame_faces (f);
1645 if (f == dpyinfo->x_focus_frame)
1646 dpyinfo->x_focus_frame = 0;
1647 if (f == dpyinfo->x_highlight_frame)
1648 dpyinfo->x_highlight_frame = 0;
1649 if (f == hlinfo->mouse_face_mouse_frame)
1650 reset_mouse_highlight (hlinfo);
1652 if (f->output_data.ns->miniimage != nil)
1653 [f->output_data.ns->miniimage release];
1655 [[view window] close];
1656 [view release];
1658 xfree (f->output_data.ns);
1660 unblock_input ();
1661 }
1663 void
1664 x_destroy_window (struct frame *f)
1665 /* --------------------------------------------------------------------------
1666 External: Delete the window
1667 -------------------------------------------------------------------------- */
1668 {
1669 NSTRACE ("x_destroy_window");
1670 check_window_system (f);
1671 x_free_frame_resources (f);
1672 ns_window_num--;
1673 }
1676 void
1677 x_set_offset (struct frame *f, int xoff, int yoff, int change_grav)
1678 /* --------------------------------------------------------------------------
1679 External: Position the window
1680 -------------------------------------------------------------------------- */
1681 {
1682 NSView *view = FRAME_NS_VIEW (f);
1683 NSArray *screens = [NSScreen screens];
1684 NSScreen *fscreen = [screens objectAtIndex: 0];
1685 NSScreen *screen = [[view window] screen];
1687 NSTRACE ("x_set_offset");
1689 block_input ();
1691 f->left_pos = xoff;
1692 f->top_pos = yoff;
1694 if (view != nil && screen && fscreen)
1695 {
1696 f->left_pos = f->size_hint_flags & XNegative
1697 ? [screen visibleFrame].size.width + f->left_pos - FRAME_PIXEL_WIDTH (f)
1698 : f->left_pos;
1699 /* We use visibleFrame here to take menu bar into account.
1700 Ideally we should also adjust left/top with visibleFrame.origin. */
1702 f->top_pos = f->size_hint_flags & YNegative
1703 ? ([screen visibleFrame].size.height + f->top_pos
1704 - FRAME_PIXEL_HEIGHT (f) - FRAME_NS_TITLEBAR_HEIGHT (f)
1705 - FRAME_TOOLBAR_HEIGHT (f))
1706 : f->top_pos;
1707 #ifdef NS_IMPL_GNUSTEP
1708 if (f->left_pos < 100)
1709 f->left_pos = 100; /* don't overlap menu */
1710 #endif
1711 /* Constrain the setFrameTopLeftPoint so we don't move behind the
1712 menu bar. */
1713 NSPoint pt = NSMakePoint (SCREENMAXBOUND (f->left_pos),
1714 SCREENMAXBOUND ([fscreen frame].size.height
1715 - NS_TOP_POS (f)));
1716 NSTRACE_POINT ("setFrameTopLeftPoint", pt);
1717 [[view window] setFrameTopLeftPoint: pt];
1718 f->size_hint_flags &= ~(XNegative|YNegative);
1719 }
1721 unblock_input ();
1722 }
1725 void
1726 x_set_window_size (struct frame *f,
1727 bool change_gravity,
1728 int width,
1729 int height,
1730 bool pixelwise)
1731 /* --------------------------------------------------------------------------
1732 Adjust window pixel size based on given character grid size
1733 Impl is a bit more complex than other terms, need to do some
1734 internal clipping.
1735 -------------------------------------------------------------------------- */
1736 {
1737 EmacsView *view = FRAME_NS_VIEW (f);
1738 NSWindow *window = [view window];
1739 NSRect wr = [window frame];
1740 int tb = FRAME_EXTERNAL_TOOL_BAR (f);
1741 int pixelwidth, pixelheight;
1742 int orig_height = wr.size.height;
1744 NSTRACE ("x_set_window_size");
1746 if (view == nil)
1747 return;
1749 NSTRACE_RECT ("current", wr);
1750 NSTRACE_MSG ("Width:%d Height:%d Pixelwise:%d", width, height, pixelwise);
1751 NSTRACE_MSG ("Font %d x %d", FRAME_COLUMN_WIDTH (f), FRAME_LINE_HEIGHT (f));
1753 block_input ();
1755 if (pixelwise)
1756 {
1757 pixelwidth = FRAME_TEXT_TO_PIXEL_WIDTH (f, width);
1758 pixelheight = FRAME_TEXT_TO_PIXEL_HEIGHT (f, height);
1759 }
1760 else
1761 {
1762 pixelwidth = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, width);
1763 pixelheight = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, height);
1764 }
1766 /* If we have a toolbar, take its height into account. */
1767 if (tb && ! [view isFullscreen])
1768 {
1769 /* NOTE: previously this would generate wrong result if toolbar not
1770 yet displayed and fixing toolbar_height=32 helped, but
1771 now (200903) seems no longer needed */
1772 FRAME_TOOLBAR_HEIGHT (f) =
1773 NSHeight ([window frameRectForContentRect: NSMakeRect (0, 0, 0, 0)])
1774 - FRAME_NS_TITLEBAR_HEIGHT (f);
1775 #if 0
1776 /* Only breaks things here, removed by martin 2015-09-30. */
1777 #ifdef NS_IMPL_GNUSTEP
1778 FRAME_TOOLBAR_HEIGHT (f) -= 3;
1779 #endif
1780 #endif
1781 }
1782 else
1783 FRAME_TOOLBAR_HEIGHT (f) = 0;
1785 wr.size.width = pixelwidth + f->border_width;
1786 wr.size.height = pixelheight;
1787 if (! [view isFullscreen])
1788 wr.size.height += FRAME_NS_TITLEBAR_HEIGHT (f)
1789 + FRAME_TOOLBAR_HEIGHT (f);
1791 /* Do not try to constrain to this screen. We may have multiple
1792 screens, and want Emacs to span those. Constraining to screen
1793 prevents that, and that is not nice to the user. */
1794 if (f->output_data.ns->zooming)
1795 f->output_data.ns->zooming = 0;
1796 else
1797 wr.origin.y += orig_height - wr.size.height;
1799 frame_size_history_add
1800 (f, Qx_set_window_size_1, width, height,
1801 list5 (Fcons (make_number (pixelwidth), make_number (pixelheight)),
1802 Fcons (make_number (wr.size.width), make_number (wr.size.height)),
1803 make_number (f->border_width),
1804 make_number (FRAME_NS_TITLEBAR_HEIGHT (f)),
1805 make_number (FRAME_TOOLBAR_HEIGHT (f))));
1807 [window setFrame: wr display: YES];
1809 /* This is a trick to compensate for Emacs' managing the scrollbar area
1810 as a fixed number of standard character columns. Instead of leaving
1811 blank space for the extra, we chopped it off above. Now for
1812 left-hand scrollbars, we shift all rendering to the left by the
1813 difference between the real width and Emacs' imagined one. For
1814 right-hand bars, don't worry about it since the extra is never used.
1815 (Obviously doesn't work for vertically split windows tho..) */
1816 {
1817 NSPoint origin = FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)
1818 ? NSMakePoint (FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f)
1819 - NS_SCROLL_BAR_WIDTH (f), 0)
1820 : NSMakePoint (0, 0);
1822 [view setFrame: NSMakeRect (0, 0, pixelwidth, pixelheight)];
1823 [view setBoundsOrigin: origin];
1824 }
1826 [view updateFrameSize: NO];
1827 unblock_input ();
1828 }
1831 static void
1832 ns_fullscreen_hook (struct frame *f)
1833 {
1834 EmacsView *view = (EmacsView *)FRAME_NS_VIEW (f);
1836 NSTRACE ("ns_fullscreen_hook");
1838 if (!FRAME_VISIBLE_P (f))
1839 return;
1841 if (! [view fsIsNative] && f->want_fullscreen == FULLSCREEN_BOTH)
1842 {
1843 /* Old style fs don't initiate correctly if created from
1844 init/default-frame alist, so use a timer (not nice...).
1845 */
1846 [NSTimer scheduledTimerWithTimeInterval: 0.5 target: view
1847 selector: @selector (handleFS)
1848 userInfo: nil repeats: NO];
1849 return;
1850 }
1852 block_input ();
1853 [view handleFS];
1854 unblock_input ();
1855 }
1857 /* ==========================================================================
1859 Color management
1861 ========================================================================== */
1864 NSColor *
1865 ns_lookup_indexed_color (unsigned long idx, struct frame *f)
1866 {
1867 struct ns_color_table *color_table = FRAME_DISPLAY_INFO (f)->color_table;
1868 if (idx < 1 || idx >= color_table->avail)
1869 return nil;
1870 return color_table->colors[idx];
1871 }
1874 unsigned long
1875 ns_index_color (NSColor *color, struct frame *f)
1876 {
1877 struct ns_color_table *color_table = FRAME_DISPLAY_INFO (f)->color_table;
1878 ptrdiff_t idx;
1879 ptrdiff_t i;
1881 if (!color_table->colors)
1882 {
1883 color_table->size = NS_COLOR_CAPACITY;
1884 color_table->avail = 1; /* skip idx=0 as marker */
1885 color_table->colors = xmalloc (color_table->size * sizeof (NSColor *));
1886 color_table->colors[0] = nil;
1887 color_table->empty_indices = [[NSMutableSet alloc] init];
1888 }
1890 /* Do we already have this color? */
1891 for (i = 1; i < color_table->avail; i++)
1892 if (color_table->colors[i] && [color_table->colors[i] isEqual: color])
1893 return i;
1895 if ([color_table->empty_indices count] > 0)
1896 {
1897 NSNumber *index = [color_table->empty_indices anyObject];
1898 [color_table->empty_indices removeObject: index];
1899 idx = [index unsignedLongValue];
1900 }
1901 else
1902 {
1903 if (color_table->avail == color_table->size)
1904 color_table->colors =
1905 xpalloc (color_table->colors, &color_table->size, 1,
1906 min (ULONG_MAX, PTRDIFF_MAX), sizeof *color_table->colors);
1907 idx = color_table->avail++;
1908 }
1910 color_table->colors[idx] = color;
1911 [color retain];
1912 /*fprintf(stderr, "color_table: allocated %d\n",idx);*/
1913 return idx;
1914 }
1917 void
1918 ns_free_indexed_color (unsigned long idx, struct frame *f)
1919 {
1920 struct ns_color_table *color_table;
1921 NSColor *color;
1922 NSNumber *index;
1924 if (!f)
1925 return;
1927 color_table = FRAME_DISPLAY_INFO (f)->color_table;
1929 if (idx <= 0 || idx >= color_table->size) {
1930 message1 ("ns_free_indexed_color: Color index out of range.\n");
1931 return;
1932 }
1934 index = [NSNumber numberWithUnsignedInt: idx];
1935 if ([color_table->empty_indices containsObject: index]) {
1936 message1 ("ns_free_indexed_color: attempt to free already freed color.\n");
1937 return;
1938 }
1940 color = color_table->colors[idx];
1941 [color release];
1942 color_table->colors[idx] = nil;
1943 [color_table->empty_indices addObject: index];
1944 /*fprintf(stderr, "color_table: FREED %d\n",idx);*/
1945 }
1948 static int
1949 ns_get_color (const char *name, NSColor **col)
1950 /* --------------------------------------------------------------------------
1951 Parse a color name
1952 -------------------------------------------------------------------------- */
1953 /* On *Step, we attempt to mimic the X11 platform here, down to installing an
1954 X11 rgb.txt-compatible color list in Emacs.clr (see ns_term_init()).
1955 See: http://thread.gmane.org/gmane.emacs.devel/113050/focus=113272). */
1956 {
1957 NSColor *new = nil;
1958 static char hex[20];
1959 int scaling = 0;
1960 float r = -1.0, g, b;
1961 NSString *nsname = [NSString stringWithUTF8String: name];
1963 NSTRACE ("ns_get_color(%s, **)", name);
1965 block_input ();
1967 if ([nsname isEqualToString: @"ns_selection_bg_color"])
1968 {
1969 #ifdef NS_IMPL_COCOA
1970 NSString *defname = [[NSUserDefaults standardUserDefaults]
1971 stringForKey: @"AppleHighlightColor"];
1972 if (defname != nil)
1973 nsname = defname;
1974 else
1975 #endif
1976 if ((new = [NSColor selectedTextBackgroundColor]) != nil)
1977 {
1978 *col = [new colorUsingDefaultColorSpace];
1979 unblock_input ();
1980 return 0;
1981 }
1982 else
1983 nsname = NS_SELECTION_BG_COLOR_DEFAULT;
1985 name = [nsname UTF8String];
1986 }
1987 else if ([nsname isEqualToString: @"ns_selection_fg_color"])
1988 {
1989 /* NOTE: macOS applications normally don't set foreground
1990 selection, but text may be unreadable if we don't.
1991 */
1992 if ((new = [NSColor selectedTextColor]) != nil)
1993 {
1994 *col = [new colorUsingDefaultColorSpace];
1995 unblock_input ();
1996 return 0;
1997 }
1999 nsname = NS_SELECTION_FG_COLOR_DEFAULT;
2000 name = [nsname UTF8String];
2001 }
2003 /* First, check for some sort of numeric specification. */
2004 hex[0] = '\0';
2006 if (name[0] == '0' || name[0] == '1' || name[0] == '.') /* RGB decimal */
2007 {
2008 NSScanner *scanner = [NSScanner scannerWithString: nsname];
2009 [scanner scanFloat: &r];
2010 [scanner scanFloat: &g];
2011 [scanner scanFloat: &b];
2012 }
2013 else if (!strncmp(name, "rgb:", 4)) /* A newer X11 format -- rgb:r/g/b */
2014 scaling = (snprintf (hex, sizeof hex, "%s", name + 4) - 2) / 3;
2015 else if (name[0] == '#') /* An old X11 format; convert to newer */
2016 {
2017 int len = (strlen(name) - 1);
2018 int start = (len % 3 == 0) ? 1 : len / 4 + 1;
2019 int i;
2020 scaling = strlen(name+start) / 3;
2021 for (i = 0; i < 3; i++)
2022 sprintf (hex + i * (scaling + 1), "%.*s/", scaling,
2023 name + start + i * scaling);
2024 hex[3 * (scaling + 1) - 1] = '\0';
2025 }
2027 if (hex[0])
2028 {
2029 int rr, gg, bb;
2030 float fscale = scaling == 4 ? 65535.0 : (scaling == 2 ? 255.0 : 15.0);
2031 if (sscanf (hex, "%x/%x/%x", &rr, &gg, &bb))
2032 {
2033 r = rr / fscale;
2034 g = gg / fscale;
2035 b = bb / fscale;
2036 }
2037 }
2039 if (r >= 0.0F)
2040 {
2041 *col = [NSColor colorForEmacsRed: r green: g blue: b alpha: 1.0];
2042 unblock_input ();
2043 return 0;
2044 }
2046 /* Otherwise, color is expected to be from a list */
2047 {
2048 NSEnumerator *lenum, *cenum;
2049 NSString *name;
2050 NSColorList *clist;
2052 #ifdef NS_IMPL_GNUSTEP
2053 /* XXX: who is wrong, the requestor or the implementation? */
2054 if ([nsname compare: @"Highlight" options: NSCaseInsensitiveSearch]
2055 == NSOrderedSame)
2056 nsname = @"highlightColor";
2057 #endif
2059 lenum = [[NSColorList availableColorLists] objectEnumerator];
2060 while ( (clist = [lenum nextObject]) && new == nil)
2061 {
2062 cenum = [[clist allKeys] objectEnumerator];
2063 while ( (name = [cenum nextObject]) && new == nil )
2064 {
2065 if ([name compare: nsname
2066 options: NSCaseInsensitiveSearch] == NSOrderedSame )
2067 new = [clist colorWithKey: name];
2068 }
2069 }
2070 }
2072 if (new)
2073 *col = [new colorUsingDefaultColorSpace];
2074 unblock_input ();
2075 return new ? 0 : 1;
2076 }
2079 int
2080 ns_lisp_to_color (Lisp_Object color, NSColor **col)
2081 /* --------------------------------------------------------------------------
2082 Convert a Lisp string object to a NS color
2083 -------------------------------------------------------------------------- */
2084 {
2085 NSTRACE ("ns_lisp_to_color");
2086 if (STRINGP (color))
2087 return ns_get_color (SSDATA (color), col);
2088 else if (SYMBOLP (color))
2089 return ns_get_color (SSDATA (SYMBOL_NAME (color)), col);
2090 return 1;
2091 }
2094 Lisp_Object
2095 ns_color_to_lisp (NSColor *col)
2096 /* --------------------------------------------------------------------------
2097 Convert a color to a lisp string with the RGB equivalent
2098 -------------------------------------------------------------------------- */
2099 {
2100 EmacsCGFloat red, green, blue, alpha, gray;
2101 char buf[1024];
2102 const char *str;
2103 NSTRACE ("ns_color_to_lisp");
2105 block_input ();
2106 if ([[col colorSpaceName] isEqualToString: NSNamedColorSpace])
2108 if ((str =[[col colorNameComponent] UTF8String]))
2109 {
2110 unblock_input ();
2111 return build_string ((char *)str);
2112 }
2114 [[col colorUsingDefaultColorSpace]
2115 getRed: &red green: &green blue: &blue alpha: &alpha];
2116 if (red == green && red == blue)
2117 {
2118 [[col colorUsingColorSpaceName: NSCalibratedWhiteColorSpace]
2119 getWhite: &gray alpha: &alpha];
2120 snprintf (buf, sizeof (buf), "#%2.2lx%2.2lx%2.2lx",
2121 lrint (gray * 0xff), lrint (gray * 0xff), lrint (gray * 0xff));
2122 unblock_input ();
2123 return build_string (buf);
2124 }
2126 snprintf (buf, sizeof (buf), "#%2.2lx%2.2lx%2.2lx",
2127 lrint (red*0xff), lrint (green*0xff), lrint (blue*0xff));
2129 unblock_input ();
2130 return build_string (buf);
2131 }
2134 void
2135 ns_query_color(void *col, XColor *color_def, int setPixel)
2136 /* --------------------------------------------------------------------------
2137 Get ARGB values out of NSColor col and put them into color_def.
2138 If setPixel, set the pixel to a concatenated version.
2139 and set color_def pixel to the resulting index.
2140 -------------------------------------------------------------------------- */
2141 {
2142 EmacsCGFloat r, g, b, a;
2144 [((NSColor *)col) getRed: &r green: &g blue: &b alpha: &a];
2145 color_def->red = r * 65535;
2146 color_def->green = g * 65535;
2147 color_def->blue = b * 65535;
2149 if (setPixel == YES)
2150 color_def->pixel
2151 = ARGB_TO_ULONG((int)(a*255),
2152 (int)(r*255), (int)(g*255), (int)(b*255));
2153 }
2156 bool
2157 ns_defined_color (struct frame *f,
2158 const char *name,
2159 XColor *color_def,
2160 bool alloc,
2161 bool makeIndex)
2162 /* --------------------------------------------------------------------------
2163 Return true if named color found, and set color_def rgb accordingly.
2164 If makeIndex and alloc are nonzero put the color in the color_table,
2165 and set color_def pixel to the resulting index.
2166 If makeIndex is zero, set color_def pixel to ARGB.
2167 Return false if not found
2168 -------------------------------------------------------------------------- */
2169 {
2170 NSColor *col;
2171 NSTRACE_WHEN (NSTRACE_GROUP_COLOR, "ns_defined_color");
2173 block_input ();
2174 if (ns_get_color (name, &col) != 0) /* Color not found */
2175 {
2176 unblock_input ();
2177 return 0;
2178 }
2179 if (makeIndex && alloc)
2180 color_def->pixel = ns_index_color (col, f);
2181 ns_query_color (col, color_def, !makeIndex);
2182 unblock_input ();
2183 return 1;
2184 }
2187 void
2188 x_set_frame_alpha (struct frame *f)
2189 /* --------------------------------------------------------------------------
2190 change the entire-frame transparency
2191 -------------------------------------------------------------------------- */
2192 {
2193 struct ns_display_info *dpyinfo = FRAME_DISPLAY_INFO (f);
2194 double alpha = 1.0;
2195 double alpha_min = 1.0;
2197 NSTRACE ("x_set_frame_alpha");
2199 if (dpyinfo->x_highlight_frame == f)
2200 alpha = f->alpha[0];
2201 else
2202 alpha = f->alpha[1];
2204 if (FLOATP (Vframe_alpha_lower_limit))
2205 alpha_min = XFLOAT_DATA (Vframe_alpha_lower_limit);
2206 else if (INTEGERP (Vframe_alpha_lower_limit))
2207 alpha_min = (XINT (Vframe_alpha_lower_limit)) / 100.0;
2209 if (alpha < 0.0)
2210 return;
2211 else if (1.0 < alpha)
2212 alpha = 1.0;
2213 else if (0.0 <= alpha && alpha < alpha_min && alpha_min <= 1.0)
2214 alpha = alpha_min;
2216 #ifdef NS_IMPL_COCOA
2217 {
2218 EmacsView *view = FRAME_NS_VIEW (f);
2219 [[view window] setAlphaValue: alpha];
2220 }
2221 #endif
2222 }
2225 /* ==========================================================================
2227 Mouse handling
2229 ========================================================================== */
2232 void
2233 frame_set_mouse_pixel_position (struct frame *f, int pix_x, int pix_y)
2234 /* --------------------------------------------------------------------------
2235 Programmatically reposition mouse pointer in pixel coordinates
2236 -------------------------------------------------------------------------- */
2237 {
2238 NSTRACE ("frame_set_mouse_pixel_position");
2239 ns_raise_frame (f);
2240 #if 0
2241 /* FIXME: this does not work, and what about GNUstep? */
2242 #ifdef NS_IMPL_COCOA
2243 [FRAME_NS_VIEW (f) lockFocus];
2244 PSsetmouse ((float)pix_x, (float)pix_y);
2245 [FRAME_NS_VIEW (f) unlockFocus];
2246 #endif
2247 #endif
2248 }
2250 static int
2251 note_mouse_movement (struct frame *frame, CGFloat x, CGFloat y)
2252 /* ------------------------------------------------------------------------
2253 Called by EmacsView on mouseMovement events. Passes on
2254 to emacs mainstream code if we moved off of a rect of interest
2255 known as last_mouse_glyph.
2256 ------------------------------------------------------------------------ */
2257 {
2258 struct ns_display_info *dpyinfo = FRAME_DISPLAY_INFO (frame);
2259 NSRect *r;
2261 // NSTRACE ("note_mouse_movement");
2263 dpyinfo->last_mouse_motion_frame = frame;
2264 r = &dpyinfo->last_mouse_glyph;
2266 /* Note, this doesn't get called for enter/leave, since we don't have a
2267 position. Those are taken care of in the corresponding NSView methods. */
2269 /* has movement gone beyond last rect we were tracking? */
2270 if (x < r->origin.x || x >= r->origin.x + r->size.width
2271 || y < r->origin.y || y >= r->origin.y + r->size.height)
2272 {
2273 ns_update_begin (frame);
2274 frame->mouse_moved = 1;
2275 note_mouse_highlight (frame, x, y);
2276 remember_mouse_glyph (frame, x, y, r);
2277 ns_update_end (frame);
2278 return 1;
2279 }
2281 return 0;
2282 }
2285 static void
2286 ns_mouse_position (struct frame **fp, int insist, Lisp_Object *bar_window,
2287 enum scroll_bar_part *part, Lisp_Object *x, Lisp_Object *y,
2288 Time *time)
2289 /* --------------------------------------------------------------------------
2290 External (hook): inform emacs about mouse position and hit parts.
2291 If a scrollbar is being dragged, set bar_window, part, x, y, time.
2292 x & y should be position in the scrollbar (the whole bar, not the handle)
2293 and length of scrollbar respectively
2294 -------------------------------------------------------------------------- */
2295 {
2296 id view;
2297 NSPoint position;
2298 Lisp_Object frame, tail;
2299 struct frame *f;
2300 struct ns_display_info *dpyinfo;
2302 NSTRACE ("ns_mouse_position");
2304 if (*fp == NULL)
2305 {
2306 fprintf (stderr, "Warning: ns_mouse_position () called with null *fp.\n");
2307 return;
2308 }
2310 dpyinfo = FRAME_DISPLAY_INFO (*fp);
2312 block_input ();
2314 /* Clear the mouse-moved flag for every frame on this display. */
2315 FOR_EACH_FRAME (tail, frame)
2316 if (FRAME_NS_P (XFRAME (frame))
2317 && FRAME_NS_DISPLAY (XFRAME (frame)) == FRAME_NS_DISPLAY (*fp))
2318 XFRAME (frame)->mouse_moved = 0;
2320 dpyinfo->last_mouse_scroll_bar = nil;
2321 if (dpyinfo->last_mouse_frame
2322 && FRAME_LIVE_P (dpyinfo->last_mouse_frame))
2323 f = dpyinfo->last_mouse_frame;
2324 else
2325 f = dpyinfo->x_focus_frame ? dpyinfo->x_focus_frame : SELECTED_FRAME ();
2327 if (f && FRAME_NS_P (f))
2328 {
2329 view = FRAME_NS_VIEW (*fp);
2331 position = [[view window] mouseLocationOutsideOfEventStream];
2332 position = [view convertPoint: position fromView: nil];
2333 remember_mouse_glyph (f, position.x, position.y,
2334 &dpyinfo->last_mouse_glyph);
2335 NSTRACE_POINT ("position", position);
2337 if (bar_window) *bar_window = Qnil;
2338 if (part) *part = scroll_bar_above_handle;
2340 if (x) XSETINT (*x, lrint (position.x));
2341 if (y) XSETINT (*y, lrint (position.y));
2342 if (time)
2343 *time = dpyinfo->last_mouse_movement_time;
2344 *fp = f;
2345 }
2347 unblock_input ();
2348 }
2351 static void
2352 ns_frame_up_to_date (struct frame *f)
2353 /* --------------------------------------------------------------------------
2354 External (hook): Fix up mouse highlighting right after a full update.
2355 Can't use FRAME_MOUSE_UPDATE due to ns_frame_begin and ns_frame_end calls.
2356 -------------------------------------------------------------------------- */
2357 {
2358 NSTRACE_WHEN (NSTRACE_GROUP_UPDATES, "ns_frame_up_to_date");
2360 if (FRAME_NS_P (f))
2361 {
2362 Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
2363 if (f == hlinfo->mouse_face_mouse_frame)
2364 {
2365 block_input ();
2366 ns_update_begin(f);
2367 note_mouse_highlight (hlinfo->mouse_face_mouse_frame,
2368 hlinfo->mouse_face_mouse_x,
2369 hlinfo->mouse_face_mouse_y);
2370 ns_update_end(f);
2371 unblock_input ();
2372 }
2373 }
2374 }
2377 static void
2378 ns_define_frame_cursor (struct frame *f, Cursor cursor)
2379 /* --------------------------------------------------------------------------
2380 External (RIF): set frame mouse pointer type.
2381 -------------------------------------------------------------------------- */
2382 {
2383 NSTRACE ("ns_define_frame_cursor");
2384 if (FRAME_POINTER_TYPE (f) != cursor)
2385 {
2386 EmacsView *view = FRAME_NS_VIEW (f);
2387 FRAME_POINTER_TYPE (f) = cursor;
2388 [[view window] invalidateCursorRectsForView: view];
2389 /* Redisplay assumes this function also draws the changed frame
2390 cursor, but this function doesn't, so do it explicitly. */
2391 x_update_cursor (f, 1);
2392 }
2393 }
2397 /* ==========================================================================
2399 Keyboard handling
2401 ========================================================================== */
2404 static unsigned
2405 ns_convert_key (unsigned code)
2406 /* --------------------------------------------------------------------------
2407 Internal call used by NSView-keyDown.
2408 -------------------------------------------------------------------------- */
2409 {
2410 const unsigned last_keysym = ARRAYELTS (convert_ns_to_X_keysym);
2411 unsigned keysym;
2412 /* An array would be faster, but less easy to read. */
2413 for (keysym = 0; keysym < last_keysym; keysym += 2)
2414 if (code == convert_ns_to_X_keysym[keysym])
2415 return 0xFF00 | convert_ns_to_X_keysym[keysym+1];
2416 return 0;
2417 /* if decide to use keyCode and Carbon table, use this line:
2418 return code > 0xff ? 0 : 0xFF00 | ns_keycode_to_xkeysym_table[code]; */
2419 }
2422 char *
2423 x_get_keysym_name (int keysym)
2424 /* --------------------------------------------------------------------------
2425 Called by keyboard.c. Not sure if the return val is important, except
2426 that it be unique.
2427 -------------------------------------------------------------------------- */
2428 {
2429 static char value[16];
2430 NSTRACE ("x_get_keysym_name");
2431 sprintf (value, "%d", keysym);
2432 return value;
2433 }
2437 /* ==========================================================================
2439 Block drawing operations
2441 ========================================================================== */
2444 static void
2445 ns_redraw_scroll_bars (struct frame *f)
2446 {
2447 int i;
2448 id view;
2449 NSArray *subviews = [[FRAME_NS_VIEW (f) superview] subviews];
2450 NSTRACE ("ns_redraw_scroll_bars");
2451 for (i =[subviews count]-1; i >= 0; i--)
2452 {
2453 view = [subviews objectAtIndex: i];
2454 if (![view isKindOfClass: [EmacsScroller class]]) continue;
2455 [view display];
2456 }
2457 }
2460 void
2461 ns_clear_frame (struct frame *f)
2462 /* --------------------------------------------------------------------------
2463 External (hook): Erase the entire frame
2464 -------------------------------------------------------------------------- */
2465 {
2466 NSView *view = FRAME_NS_VIEW (f);
2467 NSRect r;
2469 NSTRACE_WHEN (NSTRACE_GROUP_UPDATES, "ns_clear_frame");
2471 /* comes on initial frame because we have
2472 after-make-frame-functions = select-frame */
2473 if (!FRAME_DEFAULT_FACE (f))
2474 return;
2476 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f)));
2478 r = [view bounds];
2480 block_input ();
2481 ns_focus (f, &r, 1);
2482 [ns_lookup_indexed_color (NS_FACE_BACKGROUND (FRAME_DEFAULT_FACE (f)), f) set];
2483 NSRectFill (r);
2484 ns_unfocus (f);
2486 /* as of 2006/11 or so this is now needed */
2487 ns_redraw_scroll_bars (f);
2488 unblock_input ();
2489 }
2492 static void
2493 ns_clear_frame_area (struct frame *f, int x, int y, int width, int height)
2494 /* --------------------------------------------------------------------------
2495 External (RIF): Clear section of frame
2496 -------------------------------------------------------------------------- */
2497 {
2498 NSRect r = NSMakeRect (x, y, width, height);
2499 NSView *view = FRAME_NS_VIEW (f);
2500 struct face *face = FRAME_DEFAULT_FACE (f);
2502 if (!view || !face)
2503 return;
2505 NSTRACE_WHEN (NSTRACE_GROUP_UPDATES, "ns_clear_frame_area");
2507 r = NSIntersectionRect (r, [view frame]);
2508 ns_focus (f, &r, 1);
2509 [ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), f) set];
2511 NSRectFill (r);
2513 ns_unfocus (f);
2514 return;
2515 }
2517 static void
2518 ns_copy_bits (struct frame *f, NSRect src, NSRect dest)
2519 {
2520 NSTRACE ("ns_copy_bits");
2522 if (FRAME_NS_VIEW (f))
2523 {
2524 hide_bell(); // Ensure the bell image isn't scrolled.
2526 ns_focus (f, &dest, 1);
2527 [FRAME_NS_VIEW (f) scrollRect: src
2528 by: NSMakeSize (dest.origin.x - src.origin.x,
2529 dest.origin.y - src.origin.y)];
2530 ns_unfocus (f);
2531 }
2532 }
2534 static void
2535 ns_scroll_run (struct window *w, struct run *run)
2536 /* --------------------------------------------------------------------------
2537 External (RIF): Insert or delete n lines at line vpos
2538 -------------------------------------------------------------------------- */
2539 {
2540 struct frame *f = XFRAME (w->frame);
2541 int x, y, width, height, from_y, to_y, bottom_y;
2543 NSTRACE ("ns_scroll_run");
2545 /* begin copy from other terms */
2546 /* Get frame-relative bounding box of the text display area of W,
2547 without mode lines. Include in this box the left and right
2548 fringe of W. */
2549 window_box (w, ANY_AREA, &x, &y, &width, &height);
2551 from_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->current_y);
2552 to_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->desired_y);
2553 bottom_y = y + height;
2555 if (to_y < from_y)
2556 {
2557 /* Scrolling up. Make sure we don't copy part of the mode
2558 line at the bottom. */
2559 if (from_y + run->height > bottom_y)
2560 height = bottom_y - from_y;
2561 else
2562 height = run->height;
2563 }
2564 else
2565 {
2566 /* Scrolling down. Make sure we don't copy over the mode line.
2567 at the bottom. */
2568 if (to_y + run->height > bottom_y)
2569 height = bottom_y - to_y;
2570 else
2571 height = run->height;
2572 }
2573 /* end copy from other terms */
2575 if (height == 0)
2576 return;
2578 block_input ();
2580 x_clear_cursor (w);
2582 {
2583 NSRect srcRect = NSMakeRect (x, from_y, width, height);
2584 NSRect dstRect = NSMakeRect (x, to_y, width, height);
2586 ns_copy_bits (f, srcRect , dstRect);
2587 }
2589 unblock_input ();
2590 }
2593 static void
2594 ns_after_update_window_line (struct window *w, struct glyph_row *desired_row)
2595 /* --------------------------------------------------------------------------
2596 External (RIF): preparatory to fringe update after text was updated
2597 -------------------------------------------------------------------------- */
2598 {
2599 struct frame *f;
2600 int width, height;
2602 NSTRACE_WHEN (NSTRACE_GROUP_UPDATES, "ns_after_update_window_line");
2604 /* begin copy from other terms */
2605 eassert (w);
2607 if (!desired_row->mode_line_p && !w->pseudo_window_p)
2608 desired_row->redraw_fringe_bitmaps_p = 1;
2610 /* When a window has disappeared, make sure that no rest of
2611 full-width rows stays visible in the internal border. */
2612 if (windows_or_buffers_changed
2613 && desired_row->full_width_p
2614 && (f = XFRAME (w->frame),
2615 width = FRAME_INTERNAL_BORDER_WIDTH (f),
2616 width != 0)
2617 && (height = desired_row->visible_height,
2618 height > 0))
2619 {
2620 int y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, desired_row->y));
2622 block_input ();
2623 ns_clear_frame_area (f, 0, y, width, height);
2624 ns_clear_frame_area (f,
2625 FRAME_PIXEL_WIDTH (f) - width,
2626 y, width, height);
2627 unblock_input ();
2628 }
2629 }
2632 static void
2633 ns_shift_glyphs_for_insert (struct frame *f,
2634 int x, int y, int width, int height,
2635 int shift_by)
2636 /* --------------------------------------------------------------------------
2637 External (RIF): copy an area horizontally, don't worry about clearing src
2638 -------------------------------------------------------------------------- */
2639 {
2640 NSRect srcRect = NSMakeRect (x, y, width, height);
2641 NSRect dstRect = NSMakeRect (x+shift_by, y, width, height);
2643 NSTRACE ("ns_shift_glyphs_for_insert");
2645 ns_copy_bits (f, srcRect, dstRect);
2646 }
2650 /* ==========================================================================
2652 Character encoding and metrics
2654 ========================================================================== */
2657 static void
2658 ns_compute_glyph_string_overhangs (struct glyph_string *s)
2659 /* --------------------------------------------------------------------------
2660 External (RIF); compute left/right overhang of whole string and set in s
2661 -------------------------------------------------------------------------- */
2662 {
2663 struct font *font = s->font;
2665 if (s->char2b)
2666 {
2667 struct font_metrics metrics;
2668 unsigned int codes[2];
2669 codes[0] = *(s->char2b);
2670 codes[1] = *(s->char2b + s->nchars - 1);
2672 font->driver->text_extents (font, codes, 2, &metrics);
2673 s->left_overhang = -metrics.lbearing;
2674 s->right_overhang
2675 = metrics.rbearing > metrics.width
2676 ? metrics.rbearing - metrics.width : 0;
2677 }
2678 else
2679 {
2680 s->left_overhang = 0;
2681 if (EQ (font->driver->type, Qns))
2682 s->right_overhang = ((struct nsfont_info *)font)->ital ?
2683 FONT_HEIGHT (font) * 0.2 : 0;
2684 else
2685 s->right_overhang = 0;
2686 }
2687 }
2691 /* ==========================================================================
2693 Fringe and cursor drawing
2695 ========================================================================== */
2698 extern int max_used_fringe_bitmap;
2699 static void
2700 ns_draw_fringe_bitmap (struct window *w, struct glyph_row *row,
2701 struct draw_fringe_bitmap_params *p)
2702 /* --------------------------------------------------------------------------
2703 External (RIF); fringe-related
2704 -------------------------------------------------------------------------- */
2705 {
2706 /* Fringe bitmaps comes in two variants, normal and periodic. A
2707 periodic bitmap is used to create a continuous pattern. Since a
2708 bitmap is rendered one text line at a time, the start offset (dh)
2709 of the bitmap varies. Concretely, this is used for the empty
2710 line indicator.
2712 For a bitmap, "h + dh" is the full height and is always
2713 invariant. For a normal bitmap "dh" is zero.
2715 For example, when the period is three and the full height is 72
2716 the following combinations exists:
2718 h=72 dh=0
2719 h=71 dh=1
2720 h=70 dh=2 */
2722 struct frame *f = XFRAME (WINDOW_FRAME (w));
2723 struct face *face = p->face;
2724 static EmacsImage **bimgs = NULL;
2725 static int nBimgs = 0;
2727 NSTRACE_WHEN (NSTRACE_GROUP_FRINGE, "ns_draw_fringe_bitmap");
2728 NSTRACE_MSG ("which:%d cursor:%d overlay:%d width:%d height:%d period:%d",
2729 p->which, p->cursor_p, p->overlay_p, p->wd, p->h, p->dh);
2731 /* grow bimgs if needed */
2732 if (nBimgs < max_used_fringe_bitmap)
2733 {
2734 bimgs = xrealloc (bimgs, max_used_fringe_bitmap * sizeof *bimgs);
2735 memset (bimgs + nBimgs, 0,
2736 (max_used_fringe_bitmap - nBimgs) * sizeof *bimgs);
2737 nBimgs = max_used_fringe_bitmap;
2738 }
2740 /* Must clip because of partially visible lines. */
2741 ns_clip_to_row (w, row, ANY_AREA, YES);
2743 if (!p->overlay_p)
2744 {
2745 int bx = p->bx, by = p->by, nx = p->nx, ny = p->ny;
2747 if (bx >= 0 && nx > 0)
2748 {
2749 NSRect r = NSMakeRect (bx, by, nx, ny);
2750 NSRectClip (r);
2751 [ns_lookup_indexed_color (face->background, f) set];
2752 NSRectFill (r);
2753 }
2754 }
2756 if (p->which)
2757 {
2758 NSRect r = NSMakeRect (p->x, p->y, p->wd, p->h);
2759 EmacsImage *img = bimgs[p->which - 1];
2761 if (!img)
2762 {
2763 // Note: For "periodic" images, allocate one EmacsImage for
2764 // the base image, and use it for all dh:s.
2765 unsigned short *bits = p->bits;
2766 int full_height = p->h + p->dh;
2767 int i;
2768 unsigned char *cbits = xmalloc (full_height);
2770 for (i = 0; i < full_height; i++)
2771 cbits[i] = bits[i];
2772 img = [[EmacsImage alloc] initFromXBM: cbits width: 8
2773 height: full_height
2774 fg: 0 bg: 0];
2775 bimgs[p->which - 1] = img;
2776 xfree (cbits);
2777 }
2779 NSTRACE_RECT ("r", r);
2781 NSRectClip (r);
2782 /* Since we composite the bitmap instead of just blitting it, we need
2783 to erase the whole background. */
2784 [ns_lookup_indexed_color(face->background, f) set];
2785 NSRectFill (r);
2787 {
2788 NSColor *bm_color;
2789 if (!p->cursor_p)
2790 bm_color = ns_lookup_indexed_color(face->foreground, f);
2791 else if (p->overlay_p)
2792 bm_color = ns_lookup_indexed_color(face->background, f);
2793 else
2794 bm_color = f->output_data.ns->cursor_color;
2795 [img setXBMColor: bm_color];
2796 }
2798 #ifdef NS_IMPL_COCOA
2799 // Note: For periodic images, the full image height is "h + hd".
2800 // By using the height h, a suitable part of the image is used.
2801 NSRect fromRect = NSMakeRect(0, 0, p->wd, p->h);
2803 NSTRACE_RECT ("fromRect", fromRect);
2805 [img drawInRect: r
2806 fromRect: fromRect
2807 operation: NSCompositeSourceOver
2808 fraction: 1.0
2809 respectFlipped: YES
2810 hints: nil];
2811 #else
2812 {
2813 NSPoint pt = r.origin;
2814 pt.y += p->h;
2815 [img compositeToPoint: pt operation: NSCompositeSourceOver];
2816 }
2817 #endif
2818 }
2819 ns_unfocus (f);
2820 }
2823 static void
2824 ns_draw_window_cursor (struct window *w, struct glyph_row *glyph_row,
2825 int x, int y, enum text_cursor_kinds cursor_type,
2826 int cursor_width, bool on_p, bool active_p)
2827 /* --------------------------------------------------------------------------
2828 External call (RIF): draw cursor.
2829 Note that CURSOR_WIDTH is meaningful only for (h)bar cursors.
2830 -------------------------------------------------------------------------- */
2831 {
2832 NSRect r, s;
2833 int fx, fy, h, cursor_height;
2834 struct frame *f = WINDOW_XFRAME (w);
2835 struct glyph *phys_cursor_glyph;
2836 struct glyph *cursor_glyph;
2837 struct face *face;
2838 NSColor *hollow_color = FRAME_BACKGROUND_COLOR (f);
2840 /* If cursor is out of bounds, don't draw garbage. This can happen
2841 in mini-buffer windows when switching between echo area glyphs
2842 and mini-buffer. */
2844 NSTRACE ("ns_draw_window_cursor");
2846 if (!on_p)
2847 return;
2849 w->phys_cursor_type = cursor_type;
2850 w->phys_cursor_on_p = on_p;
2852 if (cursor_type == NO_CURSOR)
2853 {
2854 w->phys_cursor_width = 0;
2855 return;
2856 }
2858 if ((phys_cursor_glyph = get_phys_cursor_glyph (w)) == NULL)
2859 {
2860 if (glyph_row->exact_window_width_line_p
2861 && w->phys_cursor.hpos >= glyph_row->used[TEXT_AREA])
2862 {
2863 glyph_row->cursor_in_fringe_p = 1;
2864 draw_fringe_bitmap (w, glyph_row, 0);
2865 }
2866 return;
2867 }
2869 /* We draw the cursor (with NSRectFill), then draw the glyph on top
2870 (other terminals do it the other way round). We must set
2871 w->phys_cursor_width to the cursor width. For bar cursors, that
2872 is CURSOR_WIDTH; for box cursors, it is the glyph width. */
2873 get_phys_cursor_geometry (w, glyph_row, phys_cursor_glyph, &fx, &fy, &h);
2875 /* The above get_phys_cursor_geometry call set w->phys_cursor_width
2876 to the glyph width; replace with CURSOR_WIDTH for (V)BAR cursors. */
2877 if (cursor_type == BAR_CURSOR)
2878 {
2879 if (cursor_width < 1)
2880 cursor_width = max (FRAME_CURSOR_WIDTH (f), 1);
2881 w->phys_cursor_width = cursor_width;
2882 }
2883 /* If we have an HBAR, "cursor_width" MAY specify height. */
2884 else if (cursor_type == HBAR_CURSOR)
2885 {
2886 cursor_height = (cursor_width < 1) ? lrint (0.25 * h) : cursor_width;
2887 if (cursor_height > glyph_row->height)
2888 cursor_height = glyph_row->height;
2889 if (h > cursor_height) // Cursor smaller than line height, move down
2890 fy += h - cursor_height;
2891 h = cursor_height;
2892 }
2894 r.origin.x = fx, r.origin.y = fy;
2895 r.size.height = h;
2896 r.size.width = w->phys_cursor_width;
2898 /* TODO: only needed in rare cases with last-resort font in HELLO..
2899 should we do this more efficiently? */
2900 ns_clip_to_row (w, glyph_row, ANY_AREA, NO); /* do ns_focus(f, &r, 1); if remove */
2903 face = FACE_FROM_ID (f, phys_cursor_glyph->face_id);
2904 if (face && NS_FACE_BACKGROUND (face)
2905 == ns_index_color (FRAME_CURSOR_COLOR (f), f))
2906 {
2907 [ns_lookup_indexed_color (NS_FACE_FOREGROUND (face), f) set];
2908 hollow_color = FRAME_CURSOR_COLOR (f);
2909 }
2910 else
2911 [FRAME_CURSOR_COLOR (f) set];
2913 #ifdef NS_IMPL_COCOA
2914 /* TODO: This makes drawing of cursor plus that of phys_cursor_glyph
2915 atomic. Cleaner ways of doing this should be investigated.
2916 One way would be to set a global variable DRAWING_CURSOR
2917 when making the call to draw_phys..(), don't focus in that
2918 case, then move the ns_unfocus() here after that call. */
2919 NSDisableScreenUpdates ();
2920 #endif
2922 switch (cursor_type)
2923 {
2924 case DEFAULT_CURSOR:
2925 case NO_CURSOR:
2926 break;
2927 case FILLED_BOX_CURSOR:
2928 NSRectFill (r);
2929 break;
2930 case HOLLOW_BOX_CURSOR:
2931 NSRectFill (r);
2932 [hollow_color set];
2933 NSRectFill (NSInsetRect (r, 1, 1));
2934 [FRAME_CURSOR_COLOR (f) set];
2935 break;
2936 case HBAR_CURSOR:
2937 NSRectFill (r);
2938 break;
2939 case BAR_CURSOR:
2940 s = r;
2941 /* If the character under cursor is R2L, draw the bar cursor
2942 on the right of its glyph, rather than on the left. */
2943 cursor_glyph = get_phys_cursor_glyph (w);
2944 if ((cursor_glyph->resolved_level & 1) != 0)
2945 s.origin.x += cursor_glyph->pixel_width - s.size.width;
2947 NSRectFill (s);
2948 break;
2949 }
2950 ns_unfocus (f);
2952 /* draw the character under the cursor */
2953 if (cursor_type != NO_CURSOR)
2954 draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR);
2956 #ifdef NS_IMPL_COCOA
2957 NSEnableScreenUpdates ();
2958 #endif
2960 }
2963 static void
2964 ns_draw_vertical_window_border (struct window *w, int x, int y0, int y1)
2965 /* --------------------------------------------------------------------------
2966 External (RIF): Draw a vertical line.
2967 -------------------------------------------------------------------------- */
2968 {
2969 struct frame *f = XFRAME (WINDOW_FRAME (w));
2970 struct face *face;
2971 NSRect r = NSMakeRect (x, y0, 1, y1-y0);
2973 NSTRACE ("ns_draw_vertical_window_border");
2975 face = FACE_FROM_ID (f, VERTICAL_BORDER_FACE_ID);
2976 if (face)
2977 [ns_lookup_indexed_color(face->foreground, f) set];
2979 ns_focus (f, &r, 1);
2980 NSRectFill(r);
2981 ns_unfocus (f);
2982 }
2985 static void
2986 ns_draw_window_divider (struct window *w, int x0, int x1, int y0, int y1)
2987 /* --------------------------------------------------------------------------
2988 External (RIF): Draw a window divider.
2989 -------------------------------------------------------------------------- */
2990 {
2991 struct frame *f = XFRAME (WINDOW_FRAME (w));
2992 struct face *face;
2993 NSRect r = NSMakeRect (x0, y0, x1-x0, y1-y0);
2995 NSTRACE ("ns_draw_window_divider");
2997 face = FACE_FROM_ID (f, WINDOW_DIVIDER_FACE_ID);
2998 if (face)
2999 [ns_lookup_indexed_color(face->foreground, f) set];
3001 ns_focus (f, &r, 1);
3002 NSRectFill(r);
3003 ns_unfocus (f);
3004 }
3006 static void
3007 ns_show_hourglass (struct frame *f)
3008 {
3009 /* TODO: add NSProgressIndicator to all frames. */
3010 }
3012 static void
3013 ns_hide_hourglass (struct frame *f)
3014 {
3015 /* TODO: remove NSProgressIndicator from all frames. */
3016 }
3018 /* ==========================================================================
3020 Glyph drawing operations
3022 ========================================================================== */
3024 static int
3025 ns_get_glyph_string_clip_rect (struct glyph_string *s, NativeRectangle *nr)
3026 /* --------------------------------------------------------------------------
3027 Wrapper utility to account for internal border width on full-width lines,
3028 and allow top full-width rows to hit the frame top. nr should be pointer
3029 to two successive NSRects. Number of rects actually used is returned.
3030 -------------------------------------------------------------------------- */
3031 {
3032 int n = get_glyph_string_clip_rects (s, nr, 2);
3033 return n;
3034 }
3036 /* --------------------------------------------------------------------
3037 Draw a wavy line under glyph string s. The wave fills wave_height
3038 pixels from y.
3040 x wave_length = 2
3041 --
3042 y * * * * *
3043 |* * * * * * * * *
3044 wave_height = 3 | * * * *
3045 --------------------------------------------------------------------- */
3047 static void
3048 ns_draw_underwave (struct glyph_string *s, EmacsCGFloat width, EmacsCGFloat x)
3049 {
3050 int wave_height = 3, wave_length = 2;
3051 int y, dx, dy, odd, xmax;
3052 NSPoint a, b;
3053 NSRect waveClip;
3055 dx = wave_length;
3056 dy = wave_height - 1;
3057 y = s->ybase - wave_height + 3;
3058 xmax = x + width;
3060 /* Find and set clipping rectangle */
3061 waveClip = NSMakeRect (x, y, width, wave_height);
3062 [[NSGraphicsContext currentContext] saveGraphicsState];
3063 NSRectClip (waveClip);
3065 /* Draw the waves */
3066 a.x = x - ((int)(x) % dx) + (EmacsCGFloat) 0.5;
3067 b.x = a.x + dx;
3068 odd = (int)(a.x/dx) % 2;
3069 a.y = b.y = y + 0.5;
3071 if (odd)
3072 a.y += dy;
3073 else
3074 b.y += dy;
3076 while (a.x <= xmax)
3077 {
3078 [NSBezierPath strokeLineFromPoint:a toPoint:b];
3079 a.x = b.x, a.y = b.y;
3080 b.x += dx, b.y = y + 0.5 + odd*dy;
3081 odd = !odd;
3082 }
3084 /* Restore previous clipping rectangle(s) */
3085 [[NSGraphicsContext currentContext] restoreGraphicsState];
3086 }
3090 void
3091 ns_draw_text_decoration (struct glyph_string *s, struct face *face,
3092 NSColor *defaultCol, CGFloat width, CGFloat x)
3093 /* --------------------------------------------------------------------------
3094 Draw underline, overline, and strike-through on glyph string s.
3095 -------------------------------------------------------------------------- */
3096 {
3097 if (s->for_overlaps)
3098 return;
3100 /* Do underline. */
3101 if (face->underline_p)
3102 {
3103 if (s->face->underline_type == FACE_UNDER_WAVE)
3104 {
3105 if (face->underline_defaulted_p)
3106 [defaultCol set];
3107 else
3108 [ns_lookup_indexed_color (face->underline_color, s->f) set];
3110 ns_draw_underwave (s, width, x);
3111 }
3112 else if (s->face->underline_type == FACE_UNDER_LINE)
3113 {
3115 NSRect r;
3116 unsigned long thickness, position;
3118 /* If the prev was underlined, match its appearance. */
3119 if (s->prev && s->prev->face->underline_p
3120 && s->prev->face->underline_type == FACE_UNDER_LINE
3121 && s->prev->underline_thickness > 0)
3122 {
3123 thickness = s->prev->underline_thickness;
3124 position = s->prev->underline_position;
3125 }
3126 else
3127 {
3128 struct font *font;
3129 unsigned long descent;
3131 font=s->font;
3132 descent = s->y + s->height - s->ybase;
3134 /* Use underline thickness of font, defaulting to 1. */
3135 thickness = (font && font->underline_thickness > 0)
3136 ? font->underline_thickness : 1;
3138 /* Determine the offset of underlining from the baseline. */
3139 if (x_underline_at_descent_line)
3140 position = descent - thickness;
3141 else if (x_use_underline_position_properties
3142 && font && font->underline_position >= 0)
3143 position = font->underline_position;
3144 else if (font)
3145 position = lround (font->descent / 2);
3146 else
3147 position = underline_minimum_offset;
3149 position = max (position, underline_minimum_offset);
3151 /* Ensure underlining is not cropped. */
3152 if (descent <= position)
3153 {
3154 position = descent - 1;
3155 thickness = 1;
3156 }
3157 else if (descent < position + thickness)
3158 thickness = 1;
3159 }
3161 s->underline_thickness = thickness;
3162 s->underline_position = position;
3164 r = NSMakeRect (x, s->ybase + position, width, thickness);
3166 if (face->underline_defaulted_p)
3167 [defaultCol set];
3168 else
3169 [ns_lookup_indexed_color (face->underline_color, s->f) set];
3170 NSRectFill (r);
3171 }
3172 }
3173 /* Do overline. We follow other terms in using a thickness of 1
3174 and ignoring overline_margin. */
3175 if (face->overline_p)
3176 {
3177 NSRect r;
3178 r = NSMakeRect (x, s->y, width, 1);
3180 if (face->overline_color_defaulted_p)
3181 [defaultCol set];
3182 else
3183 [ns_lookup_indexed_color (face->overline_color, s->f) set];
3184 NSRectFill (r);
3185 }
3187 /* Do strike-through. We follow other terms for thickness and
3188 vertical position.*/
3189 if (face->strike_through_p)
3190 {
3191 NSRect r;
3192 unsigned long dy;
3194 dy = lrint ((s->height - 1) / 2);
3195 r = NSMakeRect (x, s->y + dy, width, 1);
3197 if (face->strike_through_color_defaulted_p)
3198 [defaultCol set];
3199 else
3200 [ns_lookup_indexed_color (face->strike_through_color, s->f) set];
3201 NSRectFill (r);
3202 }
3203 }
3205 static void
3206 ns_draw_box (NSRect r, CGFloat thickness, NSColor *col,
3207 char left_p, char right_p)
3208 /* --------------------------------------------------------------------------
3209 Draw an unfilled rect inside r, optionally leaving left and/or right open.
3210 Note we can't just use an NSDrawRect command, because of the possibility
3211 of some sides not being drawn, and because the rect will be filled.
3212 -------------------------------------------------------------------------- */
3213 {
3214 NSRect s = r;
3215 [col set];
3217 /* top, bottom */
3218 s.size.height = thickness;
3219 NSRectFill (s);
3220 s.origin.y += r.size.height - thickness;
3221 NSRectFill (s);
3223 s.size.height = r.size.height;
3224 s.origin.y = r.origin.y;
3226 /* left, right (optional) */
3227 s.size.width = thickness;
3228 if (left_p)
3229 NSRectFill (s);
3230 if (right_p)
3231 {
3232 s.origin.x += r.size.width - thickness;
3233 NSRectFill (s);
3234 }
3235 }
3238 static void
3239 ns_draw_relief (NSRect r, int thickness, char raised_p,
3240 char top_p, char bottom_p, char left_p, char right_p,
3241 struct glyph_string *s)
3242 /* --------------------------------------------------------------------------
3243 Draw a relief rect inside r, optionally leaving some sides open.
3244 Note we can't just use an NSDrawBezel command, because of the possibility
3245 of some sides not being drawn, and because the rect will be filled.
3246 -------------------------------------------------------------------------- */
3247 {
3248 static NSColor *baseCol = nil, *lightCol = nil, *darkCol = nil;
3249 NSColor *newBaseCol = nil;
3250 NSRect sr = r;
3252 NSTRACE ("ns_draw_relief");
3254 /* set up colors */
3256 if (s->face->use_box_color_for_shadows_p)
3257 {
3258 newBaseCol = ns_lookup_indexed_color (s->face->box_color, s->f);
3259 }
3260 /* else if (s->first_glyph->type == IMAGE_GLYPH
3261 && s->img->pixmap
3262 && !IMAGE_BACKGROUND_TRANSPARENT (s->img, s->f, 0))
3263 {
3264 newBaseCol = IMAGE_BACKGROUND (s->img, s->f, 0);
3265 } */
3266 else
3267 {
3268 newBaseCol = ns_lookup_indexed_color (s->face->background, s->f);
3269 }
3271 if (newBaseCol == nil)
3272 newBaseCol = [NSColor grayColor];
3274 if (newBaseCol != baseCol) /* TODO: better check */
3275 {
3276 [baseCol release];
3277 baseCol = [newBaseCol retain];
3278 [lightCol release];
3279 lightCol = [[baseCol highlightWithLevel: 0.2] retain];
3280 [darkCol release];
3281 darkCol = [[baseCol shadowWithLevel: 0.3] retain];
3282 }
3284 [(raised_p ? lightCol : darkCol) set];
3286 /* TODO: mitering. Using NSBezierPath doesn't work because of color switch. */
3288 /* top */
3289 sr.size.height = thickness;
3290 if (top_p) NSRectFill (sr);
3292 /* left */
3293 sr.size.height = r.size.height;
3294 sr.size.width = thickness;
3295 if (left_p) NSRectFill (sr);
3297 [(raised_p ? darkCol : lightCol) set];
3299 /* bottom */
3300 sr.size.width = r.size.width;
3301 sr.size.height = thickness;
3302 sr.origin.y += r.size.height - thickness;
3303 if (bottom_p) NSRectFill (sr);
3305 /* right */
3306 sr.size.height = r.size.height;
3307 sr.origin.y = r.origin.y;
3308 sr.size.width = thickness;
3309 sr.origin.x += r.size.width - thickness;
3310 if (right_p) NSRectFill (sr);
3311 }
3314 static void
3315 ns_dumpglyphs_box_or_relief (struct glyph_string *s)
3316 /* --------------------------------------------------------------------------
3317 Function modeled after x_draw_glyph_string_box ().
3318 Sets up parameters for drawing.
3319 -------------------------------------------------------------------------- */
3320 {
3321 int right_x, last_x;
3322 char left_p, right_p;
3323 struct glyph *last_glyph;
3324 NSRect r;
3325 int thickness;
3326 struct face *face;
3328 if (s->hl == DRAW_MOUSE_FACE)
3329 {
3330 face = FACE_FROM_ID (s->f, MOUSE_HL_INFO (s->f)->mouse_face_face_id);
3331 if (!face)
3332 face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
3333 }
3334 else
3335 face = s->face;
3337 thickness = face->box_line_width;
3339 NSTRACE ("ns_dumpglyphs_box_or_relief");
3341 last_x = ((s->row->full_width_p && !s->w->pseudo_window_p)
3342 ? WINDOW_RIGHT_EDGE_X (s->w)
3343 : window_box_right (s->w, s->area));
3344 last_glyph = (s->cmp || s->img
3345 ? s->first_glyph : s->first_glyph + s->nchars-1);
3347 right_x = ((s->row->full_width_p && s->extends_to_end_of_line_p
3348 ? last_x - 1 : min (last_x, s->x + s->background_width) - 1));
3350 left_p = (s->first_glyph->left_box_line_p
3351 || (s->hl == DRAW_MOUSE_FACE
3352 && (s->prev == NULL || s->prev->hl != s->hl)));
3353 right_p = (last_glyph->right_box_line_p
3354 || (s->hl == DRAW_MOUSE_FACE
3355 && (s->next == NULL || s->next->hl != s->hl)));
3357 r = NSMakeRect (s->x, s->y, right_x - s->x + 1, s->height);
3359 /* TODO: Sometimes box_color is 0 and this seems wrong; should investigate. */
3360 if (s->face->box == FACE_SIMPLE_BOX && s->face->box_color)
3361 {
3362 ns_draw_box (r, abs (thickness),
3363 ns_lookup_indexed_color (face->box_color, s->f),
3364 left_p, right_p);
3365 }
3366 else
3367 {
3368 ns_draw_relief (r, abs (thickness), s->face->box == FACE_RAISED_BOX,
3369 1, 1, left_p, right_p, s);
3370 }
3371 }
3374 static void
3375 ns_maybe_dumpglyphs_background (struct glyph_string *s, char force_p)
3376 /* --------------------------------------------------------------------------
3377 Modeled after x_draw_glyph_string_background, which draws BG in
3378 certain cases. Others are left to the text rendering routine.
3379 -------------------------------------------------------------------------- */
3380 {
3381 NSTRACE ("ns_maybe_dumpglyphs_background");
3383 if (!s->background_filled_p/* || s->hl == DRAW_MOUSE_FACE*/)
3384 {
3385 int box_line_width = max (s->face->box_line_width, 0);
3386 if (FONT_HEIGHT (s->font) < s->height - 2 * box_line_width
3387 /* When xdisp.c ignores FONT_HEIGHT, we cannot trust font
3388 dimensions, since the actual glyphs might be much
3389 smaller. So in that case we always clear the rectangle
3390 with background color. */
3391 || FONT_TOO_HIGH (s->font)
3392 || s->font_not_found_p || s->extends_to_end_of_line_p || force_p)
3393 {
3394 struct face *face;
3395 if (s->hl == DRAW_MOUSE_FACE)
3396 {
3397 face = FACE_FROM_ID (s->f,
3398 MOUSE_HL_INFO (s->f)->mouse_face_face_id);
3399 if (!face)
3400 face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
3401 }
3402 else
3403 face = FACE_FROM_ID (s->f, s->first_glyph->face_id);
3404 if (!face->stipple)
3405 [(NS_FACE_BACKGROUND (face) != 0
3406 ? ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), s->f)
3407 : FRAME_BACKGROUND_COLOR (s->f)) set];
3408 else
3409 {
3410 struct ns_display_info *dpyinfo = FRAME_DISPLAY_INFO (s->f);
3411 [[dpyinfo->bitmaps[face->stipple-1].img stippleMask] set];
3412 }
3414 if (s->hl != DRAW_CURSOR)
3415 {
3416 NSRect r = NSMakeRect (s->x, s->y + box_line_width,
3417 s->background_width,
3418 s->height-2*box_line_width);
3419 NSRectFill (r);
3420 }
3422 s->background_filled_p = 1;
3423 }
3424 }
3425 }
3428 static void
3429 ns_dumpglyphs_image (struct glyph_string *s, NSRect r)
3430 /* --------------------------------------------------------------------------
3431 Renders an image and associated borders.
3432 -------------------------------------------------------------------------- */
3433 {
3434 EmacsImage *img = s->img->pixmap;
3435 int box_line_vwidth = max (s->face->box_line_width, 0);
3436 int x = s->x, y = s->ybase - image_ascent (s->img, s->face, &s->slice);
3437 int bg_x, bg_y, bg_height;
3438 int th;
3439 char raised_p;
3440 NSRect br;
3441 struct face *face;
3442 NSColor *tdCol;
3444 NSTRACE ("ns_dumpglyphs_image");
3446 if (s->face->box != FACE_NO_BOX
3447 && s->first_glyph->left_box_line_p && s->slice.x == 0)
3448 x += abs (s->face->box_line_width);
3450 bg_x = x;
3451 bg_y = s->slice.y == 0 ? s->y : s->y + box_line_vwidth;
3452 bg_height = s->height;
3453 /* other terms have this, but was causing problems w/tabbar mode */
3454 /* - 2 * box_line_vwidth; */
3456 if (s->slice.x == 0) x += s->img->hmargin;
3457 if (s->slice.y == 0) y += s->img->vmargin;
3459 /* Draw BG: if we need larger area than image itself cleared, do that,
3460 otherwise, since we composite the image under NS (instead of mucking
3461 with its background color), we must clear just the image area. */
3462 if (s->hl == DRAW_MOUSE_FACE)
3463 {
3464 face = FACE_FROM_ID (s->f, MOUSE_HL_INFO (s->f)->mouse_face_face_id);
3465 if (!face)
3466 face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
3467 }
3468 else
3469 face = FACE_FROM_ID (s->f, s->first_glyph->face_id);
3471 [ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), s->f) set];
3473 if (bg_height > s->slice.height || s->img->hmargin || s->img->vmargin
3474 || s->img->mask || s->img->pixmap == 0 || s->width != s->background_width)
3475 {
3476 br = NSMakeRect (bg_x, bg_y, s->background_width, bg_height);
3477 s->background_filled_p = 1;
3478 }
3479 else
3480 {
3481 br = NSMakeRect (x, y, s->slice.width, s->slice.height);
3482 }
3484 NSRectFill (br);
3486 /* Draw the image.. do we need to draw placeholder if img ==nil? */
3487 if (img != nil)
3488 {
3489 #ifdef NS_IMPL_COCOA
3490 NSRect dr = NSMakeRect (x, y, s->slice.width, s->slice.height);
3491 NSRect ir = NSMakeRect (s->slice.x, s->slice.y,
3492 s->slice.width, s->slice.height);
3493 [img drawInRect: dr
3494 fromRect: ir
3495 operation: NSCompositeSourceOver
3496 fraction: 1.0
3497 respectFlipped: YES
3498 hints: nil];
3499 #else
3500 [img compositeToPoint: NSMakePoint (x, y + s->slice.height)
3501 operation: NSCompositeSourceOver];
3502 #endif
3503 }
3505 if (s->hl == DRAW_CURSOR)
3506 {
3507 [FRAME_CURSOR_COLOR (s->f) set];
3508 if (s->w->phys_cursor_type == FILLED_BOX_CURSOR)
3509 tdCol = ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), s->f);
3510 else
3511 /* Currently on NS img->mask is always 0. Since
3512 get_window_cursor_type specifies a hollow box cursor when on
3513 a non-masked image we never reach this clause. But we put it
3514 in in anticipation of better support for image masks on
3515 NS. */
3516 tdCol = ns_lookup_indexed_color (NS_FACE_FOREGROUND (face), s->f);
3517 }
3518 else
3519 {
3520 tdCol = ns_lookup_indexed_color (NS_FACE_FOREGROUND (face), s->f);
3521 }
3523 /* Draw underline, overline, strike-through. */
3524 ns_draw_text_decoration (s, face, tdCol, br.size.width, br.origin.x);
3526 /* Draw relief, if requested */
3527 if (s->img->relief || s->hl ==DRAW_IMAGE_RAISED || s->hl ==DRAW_IMAGE_SUNKEN)
3528 {
3529 if (s->hl == DRAW_IMAGE_SUNKEN || s->hl == DRAW_IMAGE_RAISED)
3530 {
3531 th = tool_bar_button_relief >= 0 ?
3532 tool_bar_button_relief : DEFAULT_TOOL_BAR_BUTTON_RELIEF;
3533 raised_p = (s->hl == DRAW_IMAGE_RAISED);
3534 }
3535 else
3536 {
3537 th = abs (s->img->relief);
3538 raised_p = (s->img->relief > 0);
3539 }
3541 r.origin.x = x - th;
3542 r.origin.y = y - th;
3543 r.size.width = s->slice.width + 2*th-1;
3544 r.size.height = s->slice.height + 2*th-1;
3545 ns_draw_relief (r, th, raised_p,
3546 s->slice.y == 0,
3547 s->slice.y + s->slice.height == s->img->height,
3548 s->slice.x == 0,
3549 s->slice.x + s->slice.width == s->img->width, s);
3550 }
3552 /* If there is no mask, the background won't be seen,
3553 so draw a rectangle on the image for the cursor.
3554 Do this for all images, getting transparency right is not reliable. */
3555 if (s->hl == DRAW_CURSOR)
3556 {
3557 int thickness = abs (s->img->relief);
3558 if (thickness == 0) thickness = 1;
3559 ns_draw_box (br, thickness, FRAME_CURSOR_COLOR (s->f), 1, 1);
3560 }
3561 }
3564 static void
3565 ns_dumpglyphs_stretch (struct glyph_string *s)
3566 {
3567 NSRect r[2];
3568 int n, i;
3569 struct face *face;
3570 NSColor *fgCol, *bgCol;
3572 if (!s->background_filled_p)
3573 {
3574 n = ns_get_glyph_string_clip_rect (s, r);
3575 *r = NSMakeRect (s->x, s->y, s->background_width, s->height);
3577 ns_focus (s->f, r, n);
3579 if (s->hl == DRAW_MOUSE_FACE)
3580 {
3581 face = FACE_FROM_ID (s->f, MOUSE_HL_INFO (s->f)->mouse_face_face_id);
3582 if (!face)
3583 face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
3584 }
3585 else
3586 face = FACE_FROM_ID (s->f, s->first_glyph->face_id);
3588 bgCol = ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), s->f);
3589 fgCol = ns_lookup_indexed_color (NS_FACE_FOREGROUND (face), s->f);
3591 for (i = 0; i < n; ++i)
3592 {
3593 if (!s->row->full_width_p)
3594 {
3595 int overrun, leftoverrun;
3597 /* truncate to avoid overwriting fringe and/or scrollbar */
3598 overrun = max (0, (s->x + s->background_width)
3599 - (WINDOW_BOX_RIGHT_EDGE_X (s->w)
3600 - WINDOW_RIGHT_FRINGE_WIDTH (s->w)));
3601 r[i].size.width -= overrun;
3603 /* truncate to avoid overwriting to left of the window box */
3604 leftoverrun = (WINDOW_BOX_LEFT_EDGE_X (s->w)
3605 + WINDOW_LEFT_FRINGE_WIDTH (s->w)) - s->x;
3607 if (leftoverrun > 0)
3608 {
3609 r[i].origin.x += leftoverrun;
3610 r[i].size.width -= leftoverrun;
3611 }
3613 /* XXX: Try to work between problem where a stretch glyph on
3614 a partially-visible bottom row will clear part of the
3615 modeline, and another where list-buffers headers and similar
3616 rows erroneously have visible_height set to 0. Not sure
3617 where this is coming from as other terms seem not to show. */
3618 r[i].size.height = min (s->height, s->row->visible_height);
3619 }
3621 [bgCol set];
3623 /* NOTE: under NS this is NOT used to draw cursors, but we must avoid
3624 overwriting cursor (usually when cursor on a tab) */
3625 if (s->hl == DRAW_CURSOR)
3626 {
3627 CGFloat x, width;
3629 x = r[i].origin.x;
3630 width = s->w->phys_cursor_width;
3631 r[i].size.width -= width;
3632 r[i].origin.x += width;
3634 NSRectFill (r[i]);
3636 /* Draw overlining, etc. on the cursor. */
3637 if (s->w->phys_cursor_type == FILLED_BOX_CURSOR)
3638 ns_draw_text_decoration (s, face, bgCol, width, x);
3639 else
3640 ns_draw_text_decoration (s, face, fgCol, width, x);
3641 }
3642 else
3643 {
3644 NSRectFill (r[i]);
3645 }
3647 /* Draw overlining, etc. on the stretch glyph (or the part
3648 of the stretch glyph after the cursor). */
3649 ns_draw_text_decoration (s, face, fgCol, r[i].size.width,
3650 r[i].origin.x);
3651 }
3652 ns_unfocus (s->f);
3653 s->background_filled_p = 1;
3654 }
3655 }
3658 static void
3659 ns_draw_composite_glyph_string_foreground (struct glyph_string *s)
3660 {
3661 int i, j, x;
3662 struct font *font = s->font;
3664 /* If first glyph of S has a left box line, start drawing the text
3665 of S to the right of that box line. */
3666 if (s->face && s->face->box != FACE_NO_BOX
3667 && s->first_glyph->left_box_line_p)
3668 x = s->x + eabs (s->face->box_line_width);
3669 else
3670 x = s->x;
3672 /* S is a glyph string for a composition. S->cmp_from is the index
3673 of the first character drawn for glyphs of this composition.
3674 S->cmp_from == 0 means we are drawing the very first character of
3675 this composition. */
3677 /* Draw a rectangle for the composition if the font for the very
3678 first character of the composition could not be loaded. */
3679 if (s->font_not_found_p)
3680 {
3681 if (s->cmp_from == 0)
3682 {
3683 NSRect r = NSMakeRect (s->x, s->y, s->width-1, s->height -1);
3684 ns_draw_box (r, 1, FRAME_CURSOR_COLOR (s->f), 1, 1);
3685 }
3686 }
3687 else if (! s->first_glyph->u.cmp.automatic)
3688 {
3689 int y = s->ybase;
3691 for (i = 0, j = s->cmp_from; i < s->nchars; i++, j++)
3692 /* TAB in a composition means display glyphs with padding
3693 space on the left or right. */
3694 if (COMPOSITION_GLYPH (s->cmp, j) != '\t')
3695 {
3696 int xx = x + s->cmp->offsets[j * 2];
3697 int yy = y - s->cmp->offsets[j * 2 + 1];
3699 font->driver->draw (s, j, j + 1, xx, yy, false);
3700 if (s->face->overstrike)
3701 font->driver->draw (s, j, j + 1, xx + 1, yy, false);
3702 }
3703 }
3704 else
3705 {
3706 Lisp_Object gstring = composition_gstring_from_id (s->cmp_id);
3707 Lisp_Object glyph;
3708 int y = s->ybase;
3709 int width = 0;
3711 for (i = j = s->cmp_from; i < s->cmp_to; i++)
3712 {
3713 glyph = LGSTRING_GLYPH (gstring, i);
3714 if (NILP (LGLYPH_ADJUSTMENT (glyph)))
3715 width += LGLYPH_WIDTH (glyph);
3716 else
3717 {
3718 int xoff, yoff, wadjust;
3720 if (j < i)
3721 {
3722 font->driver->draw (s, j, i, x, y, false);
3723 if (s->face->overstrike)
3724 font->driver->draw (s, j, i, x + 1, y, false);
3725 x += width;
3726 }
3727 xoff = LGLYPH_XOFF (glyph);
3728 yoff = LGLYPH_YOFF (glyph);
3729 wadjust = LGLYPH_WADJUST (glyph);
3730 font->driver->draw (s, i, i + 1, x + xoff, y + yoff, false);
3731 if (s->face->overstrike)
3732 font->driver->draw (s, i, i + 1, x + xoff + 1, y + yoff,
3733 false);
3734 x += wadjust;
3735 j = i + 1;
3736 width = 0;
3737 }
3738 }
3739 if (j < i)
3740 {
3741 font->driver->draw (s, j, i, x, y, false);
3742 if (s->face->overstrike)
3743 font->driver->draw (s, j, i, x + 1, y, false);
3744 }
3745 }
3746 }
3748 static void
3749 ns_draw_glyph_string (struct glyph_string *s)
3750 /* --------------------------------------------------------------------------
3751 External (RIF): Main draw-text call.
3752 -------------------------------------------------------------------------- */
3753 {
3754 /* TODO (optimize): focus for box and contents draw */
3755 NSRect r[2];
3756 int n, flags;
3757 char box_drawn_p = 0;
3758 struct font *font = s->face->font;
3759 if (! font) font = FRAME_FONT (s->f);
3761 NSTRACE_WHEN (NSTRACE_GROUP_GLYPHS, "ns_draw_glyph_string");
3763 if (s->next && s->right_overhang && !s->for_overlaps/*&&s->hl!=DRAW_CURSOR*/)
3764 {
3765 int width;
3766 struct glyph_string *next;
3768 for (width = 0, next = s->next;
3769 next && width < s->right_overhang;
3770 width += next->width, next = next->next)
3771 if (next->first_glyph->type != IMAGE_GLYPH)
3772 {
3773 if (next->first_glyph->type != STRETCH_GLYPH)
3774 {
3775 n = ns_get_glyph_string_clip_rect (s->next, r);
3776 ns_focus (s->f, r, n);
3777 ns_maybe_dumpglyphs_background (s->next, 1);
3778 ns_unfocus (s->f);
3779 }
3780 else
3781 {
3782 ns_dumpglyphs_stretch (s->next);
3783 }
3784 next->num_clips = 0;
3785 }
3786 }
3788 if (!s->for_overlaps && s->face->box != FACE_NO_BOX
3789 && (s->first_glyph->type == CHAR_GLYPH
3790 || s->first_glyph->type == COMPOSITE_GLYPH))
3791 {
3792 n = ns_get_glyph_string_clip_rect (s, r);
3793 ns_focus (s->f, r, n);
3794 ns_maybe_dumpglyphs_background (s, 1);
3795 ns_dumpglyphs_box_or_relief (s);
3796 ns_unfocus (s->f);
3797 box_drawn_p = 1;
3798 }
3800 switch (s->first_glyph->type)
3801 {
3803 case IMAGE_GLYPH:
3804 n = ns_get_glyph_string_clip_rect (s, r);
3805 ns_focus (s->f, r, n);
3806 ns_dumpglyphs_image (s, r[0]);
3807 ns_unfocus (s->f);
3808 break;
3810 case STRETCH_GLYPH:
3811 ns_dumpglyphs_stretch (s);
3812 break;
3814 case CHAR_GLYPH:
3815 case COMPOSITE_GLYPH:
3816 n = ns_get_glyph_string_clip_rect (s, r);
3817 ns_focus (s->f, r, n);
3819 if (s->for_overlaps || (s->cmp_from > 0
3820 && ! s->first_glyph->u.cmp.automatic))
3821 s->background_filled_p = 1;
3822 else
3823 ns_maybe_dumpglyphs_background
3824 (s, s->first_glyph->type == COMPOSITE_GLYPH);
3826 flags = s->hl == DRAW_CURSOR ? NS_DUMPGLYPH_CURSOR :
3827 (s->hl == DRAW_MOUSE_FACE ? NS_DUMPGLYPH_MOUSEFACE :
3828 (s->for_overlaps ? NS_DUMPGLYPH_FOREGROUND :
3829 NS_DUMPGLYPH_NORMAL));
3831 if (s->hl == DRAW_CURSOR && s->w->phys_cursor_type == FILLED_BOX_CURSOR)
3832 {
3833 unsigned long tmp = NS_FACE_BACKGROUND (s->face);
3834 NS_FACE_BACKGROUND (s->face) = NS_FACE_FOREGROUND (s->face);
3835 NS_FACE_FOREGROUND (s->face) = tmp;
3836 }
3838 {
3839 BOOL isComposite = s->first_glyph->type == COMPOSITE_GLYPH;
3841 if (isComposite)
3842 ns_draw_composite_glyph_string_foreground (s);
3843 else
3844 font->driver->draw
3845 (s, s->cmp_from, s->nchars, s->x, s->ybase,
3846 (flags == NS_DUMPGLYPH_NORMAL && !s->background_filled_p)
3847 || flags == NS_DUMPGLYPH_MOUSEFACE);
3848 }
3850 {
3851 NSColor *col = (NS_FACE_FOREGROUND (s->face) != 0
3852 ? ns_lookup_indexed_color (NS_FACE_FOREGROUND (s->face),
3853 s->f)
3854 : FRAME_FOREGROUND_COLOR (s->f));
3855 [col set];
3857 /* Draw underline, overline, strike-through. */
3858 ns_draw_text_decoration (s, s->face, col, s->width, s->x);
3859 }
3861 if (s->hl == DRAW_CURSOR && s->w->phys_cursor_type == FILLED_BOX_CURSOR)
3862 {
3863 unsigned long tmp = NS_FACE_BACKGROUND (s->face);
3864 NS_FACE_BACKGROUND (s->face) = NS_FACE_FOREGROUND (s->face);
3865 NS_FACE_FOREGROUND (s->face) = tmp;
3866 }
3868 ns_unfocus (s->f);
3869 break;
3871 case GLYPHLESS_GLYPH:
3872 n = ns_get_glyph_string_clip_rect (s, r);
3873 ns_focus (s->f, r, n);
3875 if (s->for_overlaps || (s->cmp_from > 0
3876 && ! s->first_glyph->u.cmp.automatic))
3877 s->background_filled_p = 1;
3878 else
3879 ns_maybe_dumpglyphs_background
3880 (s, s->first_glyph->type == COMPOSITE_GLYPH);
3881 /* ... */
3882 /* Not yet implemented. */
3883 /* ... */
3884 ns_unfocus (s->f);
3885 break;
3887 default:
3888 emacs_abort ();
3889 }
3891 /* Draw box if not done already. */
3892 if (!s->for_overlaps && !box_drawn_p && s->face->box != FACE_NO_BOX)
3893 {
3894 n = ns_get_glyph_string_clip_rect (s, r);
3895 ns_focus (s->f, r, n);
3896 ns_dumpglyphs_box_or_relief (s);
3897 ns_unfocus (s->f);
3898 }
3900 s->num_clips = 0;
3901 }
3905 /* ==========================================================================
3907 Event loop
3909 ========================================================================== */
3912 static void
3913 ns_send_appdefined (int value)
3914 /* --------------------------------------------------------------------------
3915 Internal: post an appdefined event which EmacsApp-sendEvent will
3916 recognize and take as a command to halt the event loop.
3917 -------------------------------------------------------------------------- */
3918 {
3919 NSTRACE_WHEN (NSTRACE_GROUP_EVENTS, "ns_send_appdefined(%d)", value);
3921 // GNUstep needs postEvent to happen on the main thread.
3922 // Cocoa needs nextEventMatchingMask to happen on the main thread too.
3923 if (! [[NSThread currentThread] isMainThread])
3924 {
3925 EmacsApp *app = (EmacsApp *)NSApp;
3926 app->nextappdefined = value;
3927 [app performSelectorOnMainThread:@selector (sendFromMainThread:)
3928 withObject:nil
3929 waitUntilDone:YES];
3930 return;
3931 }
3933 /* Only post this event if we haven't already posted one. This will end
3934 the [NXApp run] main loop after having processed all events queued at
3935 this moment. */
3937 #ifdef NS_IMPL_COCOA
3938 if (! send_appdefined)
3939 {
3940 /* OS X 10.10.1 swallows the AppDefined event we are sending ourselves
3941 in certain situations (rapid incoming events).
3942 So check if we have one, if not add one. */
3943 NSEvent *appev = [NSApp nextEventMatchingMask:NSApplicationDefinedMask
3944 untilDate:[NSDate distantPast]
3945 inMode:NSDefaultRunLoopMode
3946 dequeue:NO];
3947 if (! appev) send_appdefined = YES;
3948 }
3949 #endif
3951 if (send_appdefined)
3952 {
3953 NSEvent *nxev;
3955 /* We only need one NX_APPDEFINED event to stop NXApp from running. */
3956 send_appdefined = NO;
3958 /* Don't need wakeup timer any more */
3959 if (timed_entry)
3960 {
3961 [timed_entry invalidate];
3962 [timed_entry release];
3963 timed_entry = nil;
3964 }
3966 nxev = [NSEvent otherEventWithType: NSApplicationDefined
3967 location: NSMakePoint (0, 0)
3968 modifierFlags: 0
3969 timestamp: 0
3970 windowNumber: [[NSApp mainWindow] windowNumber]
3971 context: [NSApp context]
3972 subtype: 0
3973 data1: value
3974 data2: 0];
3976 /* Post an application defined event on the event queue. When this is
3977 received the [NXApp run] will return, thus having processed all
3978 events which are currently queued. */
3979 [NSApp postEvent: nxev atStart: NO];
3980 }
3981 }
3983 #ifdef HAVE_NATIVE_FS
3984 static void
3985 check_native_fs ()
3986 {
3987 Lisp_Object frame, tail;
3989 if (ns_last_use_native_fullscreen == ns_use_native_fullscreen)
3990 return;
3992 ns_last_use_native_fullscreen = ns_use_native_fullscreen;
3994 FOR_EACH_FRAME (tail, frame)
3995 {
3996 struct frame *f = XFRAME (frame);
3997 if (FRAME_NS_P (f))
3998 {
3999 EmacsView *view = FRAME_NS_VIEW (f);
4000 [view updateCollectionBehavior];
4001 }
4002 }
4003 }
4004 #endif
4006 /* GNUstep does not have cancelTracking. */
4007 #ifdef NS_IMPL_COCOA
4008 /* Check if menu open should be canceled or continued as normal. */
4009 void
4010 ns_check_menu_open (NSMenu *menu)
4011 {
4012 /* Click in menu bar? */
4013 NSArray *a = [[NSApp mainMenu] itemArray];
4014 int i;
4015 BOOL found = NO;
4017 if (menu == nil) // Menu tracking ended.
4018 {
4019 if (menu_will_open_state == MENU_OPENING)
4020 menu_will_open_state = MENU_NONE;
4021 return;
4022 }
4024 for (i = 0; ! found && i < [a count]; i++)
4025 found = menu == [[a objectAtIndex:i] submenu];
4026 if (found)
4027 {
4028 if (menu_will_open_state == MENU_NONE && emacs_event)
4029 {
4030 NSEvent *theEvent = [NSApp currentEvent];
4031 struct frame *emacsframe = SELECTED_FRAME ();
4033 [menu cancelTracking];
4034 menu_will_open_state = MENU_PENDING;
4035 emacs_event->kind = MENU_BAR_ACTIVATE_EVENT;
4036 EV_TRAILER (theEvent);
4038 CGEventRef ourEvent = CGEventCreate (NULL);
4039 menu_mouse_point = CGEventGetLocation (ourEvent);
4040 CFRelease (ourEvent);
4041 }
4042 else if (menu_will_open_state == MENU_OPENING)
4043 {
4044 menu_will_open_state = MENU_NONE;
4045 }
4046 }
4047 }
4049 /* Redo saved menu click if state is MENU_PENDING. */
4050 void
4051 ns_check_pending_open_menu ()
4052 {
4053 if (menu_will_open_state == MENU_PENDING)
4054 {
4055 CGEventSourceRef source
4056 = CGEventSourceCreate (kCGEventSourceStateHIDSystemState);
4058 CGEventRef event = CGEventCreateMouseEvent (source,
4059 kCGEventLeftMouseDown,
4060 menu_mouse_point,
4061 kCGMouseButtonLeft);
4062 CGEventSetType (event, kCGEventLeftMouseDown);
4063 CGEventPost (kCGHIDEventTap, event);
4064 CFRelease (event);
4065 CFRelease (source);
4067 menu_will_open_state = MENU_OPENING;
4068 }
4069 }
4070 #endif /* NS_IMPL_COCOA */
4072 static void
4073 unwind_apploopnr (Lisp_Object not_used)
4074 {
4075 --apploopnr;
4076 n_emacs_events_pending = 0;
4077 ns_finish_events ();
4078 q_event_ptr = NULL;
4079 }
4081 static int
4082 ns_read_socket (struct terminal *terminal, struct input_event *hold_quit)
4083 /* --------------------------------------------------------------------------
4084 External (hook): Post an event to ourself and keep reading events until
4085 we read it back again. In effect process all events which were waiting.
4086 From 21+ we have to manage the event buffer ourselves.
4087 -------------------------------------------------------------------------- */
4088 {
4089 struct input_event ev;
4090 int nevents;
4092 NSTRACE_WHEN (NSTRACE_GROUP_EVENTS, "ns_read_socket");
4094 #ifdef HAVE_NATIVE_FS
4095 check_native_fs ();
4096 #endif
4098 if ([NSApp modalWindow] != nil)
4099 return -1;
4101 if (hold_event_q.nr > 0)
4102 {
4103 int i;
4104 for (i = 0; i < hold_event_q.nr; ++i)
4105 kbd_buffer_store_event_hold (&hold_event_q.q[i], hold_quit);
4106 hold_event_q.nr = 0;
4107 return i;
4108 }
4110 block_input ();
4111 n_emacs_events_pending = 0;
4112 ns_init_events (&ev);
4113 q_event_ptr = hold_quit;
4115 /* we manage autorelease pools by allocate/reallocate each time around
4116 the loop; strict nesting is occasionally violated but seems not to
4117 matter.. earlier methods using full nesting caused major memory leaks */
4118 [outerpool release];
4119 outerpool = [[NSAutoreleasePool alloc] init];
4121 /* If have pending open-file requests, attend to the next one of those. */
4122 if (ns_pending_files && [ns_pending_files count] != 0
4123 && [(EmacsApp *)NSApp openFile: [ns_pending_files objectAtIndex: 0]])
4124 {
4125 [ns_pending_files removeObjectAtIndex: 0];
4126 }
4127 /* Deal with pending service requests. */
4128 else if (ns_pending_service_names && [ns_pending_service_names count] != 0
4129 && [(EmacsApp *)
4130 NSApp fulfillService: [ns_pending_service_names objectAtIndex: 0]
4131 withArg: [ns_pending_service_args objectAtIndex: 0]])
4132 {
4133 [ns_pending_service_names removeObjectAtIndex: 0];
4134 [ns_pending_service_args removeObjectAtIndex: 0];
4135 }
4136 else
4137 {
4138 ptrdiff_t specpdl_count = SPECPDL_INDEX ();
4139 /* Run and wait for events. We must always send one NX_APPDEFINED event
4140 to ourself, otherwise [NXApp run] will never exit. */
4141 send_appdefined = YES;
4142 ns_send_appdefined (-1);
4144 if (++apploopnr != 1)
4145 {
4146 emacs_abort ();
4147 }
4148 record_unwind_protect (unwind_apploopnr, Qt);
4149 [NSApp run];
4150 unbind_to (specpdl_count, Qnil); /* calls unwind_apploopnr */
4151 }
4153 nevents = n_emacs_events_pending;
4154 n_emacs_events_pending = 0;
4155 ns_finish_events ();
4156 q_event_ptr = NULL;
4157 unblock_input ();
4159 return nevents;
4160 }
4163 int
4164 ns_select (int nfds, fd_set *readfds, fd_set *writefds,
4165 fd_set *exceptfds, struct timespec const *timeout,
4166 sigset_t const *sigmask)
4167 /* --------------------------------------------------------------------------
4168 Replacement for select, checking for events
4169 -------------------------------------------------------------------------- */
4170 {
4171 int result;
4172 int t, k, nr = 0;
4173 struct input_event event;
4174 char c;
4176 NSTRACE_WHEN (NSTRACE_GROUP_EVENTS, "ns_select");
4178 #ifdef HAVE_NATIVE_FS
4179 check_native_fs ();
4180 #endif
4182 if (hold_event_q.nr > 0)
4183 {
4184 /* We already have events pending. */
4185 raise (SIGIO);
4186 errno = EINTR;
4187 return -1;
4188 }
4190 for (k = 0; k < nfds+1; k++)
4191 {
4192 if (readfds && FD_ISSET(k, readfds)) ++nr;
4193 if (writefds && FD_ISSET(k, writefds)) ++nr;
4194 }
4196 if (NSApp == nil
4197 || (timeout && timeout->tv_sec == 0 && timeout->tv_nsec == 0))
4198 return pselect (nfds, readfds, writefds, exceptfds, timeout, sigmask);
4200 [outerpool release];
4201 outerpool = [[NSAutoreleasePool alloc] init];
4204 send_appdefined = YES;
4205 if (nr > 0)
4206 {
4207 pthread_mutex_lock (&select_mutex);
4208 select_nfds = nfds;
4209 select_valid = 0;
4210 if (readfds)
4211 {
4212 select_readfds = *readfds;
4213 select_valid += SELECT_HAVE_READ;
4214 }
4215 if (writefds)
4216 {
4217 select_writefds = *writefds;
4218 select_valid += SELECT_HAVE_WRITE;
4219 }
4221 if (timeout)
4222 {
4223 select_timeout = *timeout;
4224 select_valid += SELECT_HAVE_TMO;
4225 }
4227 pthread_mutex_unlock (&select_mutex);
4229 /* Inform fd_handler that select should be called */
4230 c = 'g';
4231 emacs_write_sig (selfds[1], &c, 1);
4232 }
4233 else if (nr == 0 && timeout)
4234 {
4235 /* No file descriptor, just a timeout, no need to wake fd_handler */
4236 double time = timespectod (*timeout);
4237 timed_entry = [[NSTimer scheduledTimerWithTimeInterval: time
4238 target: NSApp
4239 selector:
4240 @selector (timeout_handler:)
4241 userInfo: 0
4242 repeats: NO]
4243 retain];
4244 }
4245 else /* No timeout and no file descriptors, can this happen? */
4246 {
4247 /* Send appdefined so we exit from the loop */
4248 ns_send_appdefined (-1);
4249 }
4251 block_input ();
4252 ns_init_events (&event);
4253 if (++apploopnr != 1)
4254 {
4255 emacs_abort ();
4256 }
4258 {
4259 ptrdiff_t specpdl_count = SPECPDL_INDEX ();
4260 record_unwind_protect (unwind_apploopnr, Qt);
4261 [NSApp run];
4262 unbind_to (specpdl_count, Qnil); /* calls unwind_apploopnr */
4263 }
4265 ns_finish_events ();
4266 if (nr > 0 && readfds)
4267 {
4268 c = 's';
4269 emacs_write_sig (selfds[1], &c, 1);
4270 }
4271 unblock_input ();
4273 t = last_appdefined_event_data;
4275 if (t != NO_APPDEFINED_DATA)
4276 {
4277 last_appdefined_event_data = NO_APPDEFINED_DATA;
4279 if (t == -2)
4280 {
4281 /* The NX_APPDEFINED event we received was a timeout. */
4282 result = 0;
4283 }
4284 else if (t == -1)
4285 {
4286 /* The NX_APPDEFINED event we received was the result of
4287 at least one real input event arriving. */
4288 errno = EINTR;
4289 result = -1;
4290 }
4291 else
4292 {
4293 /* Received back from select () in fd_handler; copy the results */
4294 pthread_mutex_lock (&select_mutex);
4295 if (readfds) *readfds = select_readfds;
4296 if (writefds) *writefds = select_writefds;
4297 pthread_mutex_unlock (&select_mutex);
4298 result = t;
4299 }
4300 }
4301 else
4302 {
4303 errno = EINTR;
4304 result = -1;
4305 }
4307 return result;
4308 }
4312 /* ==========================================================================
4314 Scrollbar handling
4316 ========================================================================== */
4319 static void
4320 ns_set_vertical_scroll_bar (struct window *window,
4321 int portion, int whole, int position)
4322 /* --------------------------------------------------------------------------
4323 External (hook): Update or add scrollbar
4324 -------------------------------------------------------------------------- */
4325 {
4326 Lisp_Object win;
4327 NSRect r, v;
4328 struct frame *f = XFRAME (WINDOW_FRAME (window));
4329 EmacsView *view = FRAME_NS_VIEW (f);
4330 EmacsScroller *bar;
4331 int window_y, window_height;
4332 int top, left, height, width;
4333 BOOL update_p = YES;
4335 /* optimization; display engine sends WAY too many of these.. */
4336 if (!NILP (window->vertical_scroll_bar))
4337 {
4338 bar = XNS_SCROLL_BAR (window->vertical_scroll_bar);
4339 if ([bar checkSamePosition: position portion: portion whole: whole])
4340 {
4341 if (view->scrollbarsNeedingUpdate == 0)
4342 {
4343 if (!windows_or_buffers_changed)
4344 return;
4345 }
4346 else
4347 view->scrollbarsNeedingUpdate--;
4348 update_p = NO;
4349 }
4350 }
4352 NSTRACE ("ns_set_vertical_scroll_bar");
4354 /* Get dimensions. */
4355 window_box (window, ANY_AREA, 0, &window_y, 0, &window_height);
4356 top = window_y;
4357 height = window_height;
4358 width = WINDOW_CONFIG_SCROLL_BAR_COLS (window) * FRAME_COLUMN_WIDTH (f);
4359 left = WINDOW_SCROLL_BAR_AREA_X (window);
4361 r = NSMakeRect (left, top, width, height);
4362 /* the parent view is flipped, so we need to flip y value */
4363 v = [view frame];
4364 r.origin.y = (v.size.height - r.size.height - r.origin.y);
4366 XSETWINDOW (win, window);
4367 block_input ();
4369 /* we want at least 5 lines to display a scrollbar */
4370 if (WINDOW_TOTAL_LINES (window) < 5)
4371 {
4372 if (!NILP (window->vertical_scroll_bar))
4373 {
4374 bar = XNS_SCROLL_BAR (window->vertical_scroll_bar);
4375 [bar removeFromSuperview];
4376 wset_vertical_scroll_bar (window, Qnil);
4377 [bar release];
4378 }
4379 ns_clear_frame_area (f, left, top, width, height);
4380 unblock_input ();
4381 return;
4382 }
4384 if (NILP (window->vertical_scroll_bar))
4385 {
4386 if (width > 0 && height > 0)
4387 ns_clear_frame_area (f, left, top, width, height);
4389 bar = [[EmacsScroller alloc] initFrame: r window: win];
4390 wset_vertical_scroll_bar (window, make_save_ptr (bar));
4391 update_p = YES;
4392 }
4393 else
4394 {
4395 NSRect oldRect;
4396 bar = XNS_SCROLL_BAR (window->vertical_scroll_bar);
4397 oldRect = [bar frame];
4398 r.size.width = oldRect.size.width;
4399 if (FRAME_LIVE_P (f) && !NSEqualRects (oldRect, r))
4400 {
4401 if (oldRect.origin.x != r.origin.x)
4402 ns_clear_frame_area (f, left, top, width, height);
4403 [bar setFrame: r];
4404 }
4405 }
4407 if (update_p)
4408 [bar setPosition: position portion: portion whole: whole];
4409 unblock_input ();
4410 }
4413 static void
4414 ns_set_horizontal_scroll_bar (struct window *window,
4415 int portion, int whole, int position)
4416 /* --------------------------------------------------------------------------
4417 External (hook): Update or add scrollbar
4418 -------------------------------------------------------------------------- */
4419 {
4420 Lisp_Object win;
4421 NSRect r, v;
4422 struct frame *f = XFRAME (WINDOW_FRAME (window));
4423 EmacsView *view = FRAME_NS_VIEW (f);
4424 EmacsScroller *bar;
4425 int top, height, left, width;
4426 int window_x, window_width;
4427 BOOL update_p = YES;
4429 /* optimization; display engine sends WAY too many of these.. */
4430 if (!NILP (window->horizontal_scroll_bar))
4431 {
4432 bar = XNS_SCROLL_BAR (window->horizontal_scroll_bar);
4433 if ([bar checkSamePosition: position portion: portion whole: whole])
4434 {
4435 if (view->scrollbarsNeedingUpdate == 0)
4436 {
4437 if (!windows_or_buffers_changed)
4438 return;
4439 }
4440 else
4441 view->scrollbarsNeedingUpdate--;
4442 update_p = NO;
4443 }
4444 }
4446 NSTRACE ("ns_set_horizontal_scroll_bar");
4448 /* Get dimensions. */
4449 window_box (window, ANY_AREA, 0, &window_x, &window_width, 0);
4450 left = window_x;
4451 width = window_width;
4452 height = WINDOW_CONFIG_SCROLL_BAR_LINES (window) * FRAME_LINE_HEIGHT (f);
4453 top = WINDOW_SCROLL_BAR_AREA_Y (window);
4455 r = NSMakeRect (left, top, width, height);
4456 /* the parent view is flipped, so we need to flip y value */
4457 v = [view frame];
4458 /* ??????? PXW/scrollbars !!!!!!!!!!!!!!!!!!!! */
4459 r.origin.y = (v.size.height - r.size.height - r.origin.y);
4461 XSETWINDOW (win, window);
4462 block_input ();
4464 if (WINDOW_TOTAL_COLS (window) < 5)
4465 {
4466 if (!NILP (window->horizontal_scroll_bar))
4467 {
4468 bar = XNS_SCROLL_BAR (window->horizontal_scroll_bar);
4469 [bar removeFromSuperview];
4470 wset_horizontal_scroll_bar (window, Qnil);
4471 }
4472 ns_clear_frame_area (f, left, top, width, height);
4473 unblock_input ();
4474 return;
4475 }
4477 if (NILP (window->horizontal_scroll_bar))
4478 {
4479 if (width > 0 && height > 0)
4480 ns_clear_frame_area (f, left, top, width, height);
4482 bar = [[EmacsScroller alloc] initFrame: r window: win];
4483 wset_horizontal_scroll_bar (window, make_save_ptr (bar));
4484 update_p = YES;
4485 }
4486 else
4487 {
4488 NSRect oldRect;
4489 bar = XNS_SCROLL_BAR (window->horizontal_scroll_bar);
4490 oldRect = [bar frame];
4491 r.size.width = oldRect.size.width;
4492 if (FRAME_LIVE_P (f) && !NSEqualRects (oldRect, r))
4493 {
4494 if (oldRect.origin.x != r.origin.x)
4495 ns_clear_frame_area (f, left, top, width, height);
4496 [bar setFrame: r];
4497 update_p = YES;
4498 }
4499 }
4501 if (update_p)
4502 [bar setPosition: position portion: portion whole: whole];
4503 unblock_input ();
4504 }
4507 static void
4508 ns_condemn_scroll_bars (struct frame *f)
4509 /* --------------------------------------------------------------------------
4510 External (hook): arrange for all frame's scrollbars to be removed
4511 at next call to judge_scroll_bars, except for those redeemed.
4512 -------------------------------------------------------------------------- */
4513 {
4514 int i;
4515 id view;
4516 NSArray *subviews = [[FRAME_NS_VIEW (f) superview] subviews];
4518 NSTRACE ("ns_condemn_scroll_bars");
4520 for (i =[subviews count]-1; i >= 0; i--)
4521 {
4522 view = [subviews objectAtIndex: i];
4523 if ([view isKindOfClass: [EmacsScroller class]])
4524 [view condemn];
4525 }
4526 }
4529 static void
4530 ns_redeem_scroll_bar (struct window *window)
4531 /* --------------------------------------------------------------------------
4532 External (hook): arrange to spare this window's scrollbar
4533 at next call to judge_scroll_bars.
4534 -------------------------------------------------------------------------- */
4535 {
4536 id bar;
4537 NSTRACE ("ns_redeem_scroll_bar");
4538 if (!NILP (window->vertical_scroll_bar))
4539 {
4540 bar = XNS_SCROLL_BAR (window->vertical_scroll_bar);
4541 [bar reprieve];
4542 }
4544 if (!NILP (window->horizontal_scroll_bar))
4545 {
4546 bar = XNS_SCROLL_BAR (window->horizontal_scroll_bar);
4547 [bar reprieve];
4548 }
4549 }
4552 static void
4553 ns_judge_scroll_bars (struct frame *f)
4554 /* --------------------------------------------------------------------------
4555 External (hook): destroy all scrollbars on frame that weren't
4556 redeemed after call to condemn_scroll_bars.
4557 -------------------------------------------------------------------------- */
4558 {
4559 int i;
4560 id view;
4561 EmacsView *eview = FRAME_NS_VIEW (f);
4562 NSArray *subviews = [[eview superview] subviews];
4563 BOOL removed = NO;
4565 NSTRACE ("ns_judge_scroll_bars");
4566 for (i = [subviews count]-1; i >= 0; --i)
4567 {
4568 view = [subviews objectAtIndex: i];
4569 if (![view isKindOfClass: [EmacsScroller class]]) continue;
4570 if ([view judge])
4571 removed = YES;
4572 }
4574 if (removed)
4575 [eview updateFrameSize: NO];
4576 }
4578 /* ==========================================================================
4580 Initialization
4582 ========================================================================== */
4584 int
4585 x_display_pixel_height (struct ns_display_info *dpyinfo)
4586 {
4587 NSArray *screens = [NSScreen screens];
4588 NSEnumerator *enumerator = [screens objectEnumerator];
4589 NSScreen *screen;
4590 NSRect frame;
4592 frame = NSZeroRect;
4593 while ((screen = [enumerator nextObject]) != nil)
4594 frame = NSUnionRect (frame, [screen frame]);
4596 return NSHeight (frame);
4597 }
4599 int
4600 x_display_pixel_width (struct ns_display_info *dpyinfo)
4601 {
4602 NSArray *screens = [NSScreen screens];
4603 NSEnumerator *enumerator = [screens objectEnumerator];
4604 NSScreen *screen;
4605 NSRect frame;
4607 frame = NSZeroRect;
4608 while ((screen = [enumerator nextObject]) != nil)
4609 frame = NSUnionRect (frame, [screen frame]);
4611 return NSWidth (frame);
4612 }
4615 static Lisp_Object ns_string_to_lispmod (const char *s)
4616 /* --------------------------------------------------------------------------
4617 Convert modifier name to lisp symbol
4618 -------------------------------------------------------------------------- */
4619 {
4620 if (!strncmp (SSDATA (SYMBOL_NAME (Qmeta)), s, 10))
4621 return Qmeta;
4622 else if (!strncmp (SSDATA (SYMBOL_NAME (Qsuper)), s, 10))
4623 return Qsuper;
4624 else if (!strncmp (SSDATA (SYMBOL_NAME (Qcontrol)), s, 10))
4625 return Qcontrol;
4626 else if (!strncmp (SSDATA (SYMBOL_NAME (Qalt)), s, 10))
4627 return Qalt;
4628 else if (!strncmp (SSDATA (SYMBOL_NAME (Qhyper)), s, 10))
4629 return Qhyper;
4630 else if (!strncmp (SSDATA (SYMBOL_NAME (Qnone)), s, 10))
4631 return Qnone;
4632 else
4633 return Qnil;
4634 }
4637 static void
4638 ns_default (const char *parameter, Lisp_Object *result,
4639 Lisp_Object yesval, Lisp_Object noval,
4640 BOOL is_float, BOOL is_modstring)
4641 /* --------------------------------------------------------------------------
4642 Check a parameter value in user's preferences
4643 -------------------------------------------------------------------------- */
4644 {
4645 const char *value = ns_get_defaults_value (parameter);
4647 if (value)
4648 {
4649 double f;
4650 char *pos;
4651 if (c_strcasecmp (value, "YES") == 0)
4652 *result = yesval;
4653 else if (c_strcasecmp (value, "NO") == 0)
4654 *result = noval;
4655 else if (is_float && (f = strtod (value, &pos), pos != value))
4656 *result = make_float (f);
4657 else if (is_modstring && value)
4658 *result = ns_string_to_lispmod (value);
4659 else fprintf (stderr,
4660 "Bad value for default \"%s\": \"%s\"\n", parameter, value);
4661 }
4662 }
4665 static void
4666 ns_initialize_display_info (struct ns_display_info *dpyinfo)
4667 /* --------------------------------------------------------------------------
4668 Initialize global info and storage for display.
4669 -------------------------------------------------------------------------- */
4670 {
4671 NSScreen *screen = [NSScreen mainScreen];
4672 NSWindowDepth depth = [screen depth];
4674 dpyinfo->resx = 72.27; /* used 75.0, but this makes pt == pixel, expected */
4675 dpyinfo->resy = 72.27;
4676 dpyinfo->color_p = ![NSDeviceWhiteColorSpace isEqualToString:
4677 NSColorSpaceFromDepth (depth)]
4678 && ![NSCalibratedWhiteColorSpace isEqualToString:
4679 NSColorSpaceFromDepth (depth)];
4680 dpyinfo->n_planes = NSBitsPerPixelFromDepth (depth);
4681 dpyinfo->color_table = xmalloc (sizeof *dpyinfo->color_table);
4682 dpyinfo->color_table->colors = NULL;
4683 dpyinfo->root_window = 42; /* a placeholder.. */
4684 dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame = NULL;
4685 dpyinfo->n_fonts = 0;
4686 dpyinfo->smallest_font_height = 1;
4687 dpyinfo->smallest_char_width = 1;
4689 reset_mouse_highlight (&dpyinfo->mouse_highlight);
4690 }
4693 /* This and next define (many of the) public functions in this file. */
4694 /* x_... are generic versions in xdisp.c that we, and other terms, get away
4695 with using despite presence in the "system dependent" redisplay
4696 interface. In addition, many of the ns_ methods have code that is
4697 shared with all terms, indicating need for further refactoring. */
4698 extern frame_parm_handler ns_frame_parm_handlers[];
4699 static struct redisplay_interface ns_redisplay_interface =
4700 {
4701 ns_frame_parm_handlers,
4702 x_produce_glyphs,
4703 x_write_glyphs,
4704 x_insert_glyphs,
4705 x_clear_end_of_line,
4706 ns_scroll_run,
4707 ns_after_update_window_line,
4708 ns_update_window_begin,
4709 ns_update_window_end,
4710 0, /* flush_display */
4711 x_clear_window_mouse_face,
4712 x_get_glyph_overhangs,
4713 x_fix_overlapping_area,
4714 ns_draw_fringe_bitmap,
4715 0, /* define_fringe_bitmap */ /* FIXME: simplify ns_draw_fringe_bitmap */
4716 0, /* destroy_fringe_bitmap */
4717 ns_compute_glyph_string_overhangs,
4718 ns_draw_glyph_string,
4719 ns_define_frame_cursor,
4720 ns_clear_frame_area,
4721 ns_draw_window_cursor,
4722 ns_draw_vertical_window_border,
4723 ns_draw_window_divider,
4724 ns_shift_glyphs_for_insert,
4725 ns_show_hourglass,
4726 ns_hide_hourglass
4727 };
4730 static void
4731 ns_delete_display (struct ns_display_info *dpyinfo)
4732 {
4733 /* TODO... */
4734 }
4737 /* This function is called when the last frame on a display is deleted. */
4738 static void
4739 ns_delete_terminal (struct terminal *terminal)
4740 {
4741 struct ns_display_info *dpyinfo = terminal->display_info.ns;
4743 NSTRACE ("ns_delete_terminal");
4745 /* Protect against recursive calls. delete_frame in
4746 delete_terminal calls us back when it deletes our last frame. */
4747 if (!terminal->name)
4748 return;
4750 block_input ();
4752 x_destroy_all_bitmaps (dpyinfo);
4753 ns_delete_display (dpyinfo);
4754 unblock_input ();
4755 }
4758 static struct terminal *
4759 ns_create_terminal (struct ns_display_info *dpyinfo)
4760 /* --------------------------------------------------------------------------
4761 Set up use of NS before we make the first connection.
4762 -------------------------------------------------------------------------- */
4763 {
4764 struct terminal *terminal;
4766 NSTRACE ("ns_create_terminal");
4768 terminal = create_terminal (output_ns, &ns_redisplay_interface);
4770 terminal->display_info.ns = dpyinfo;
4771 dpyinfo->terminal = terminal;
4773 terminal->clear_frame_hook = ns_clear_frame;
4774 terminal->ring_bell_hook = ns_ring_bell;
4775 terminal->update_begin_hook = ns_update_begin;
4776 terminal->update_end_hook = ns_update_end;
4777 terminal->read_socket_hook = ns_read_socket;
4778 terminal->frame_up_to_date_hook = ns_frame_up_to_date;
4779 terminal->mouse_position_hook = ns_mouse_position;
4780 terminal->frame_rehighlight_hook = ns_frame_rehighlight;
4781 terminal->frame_raise_lower_hook = ns_frame_raise_lower;
4782 terminal->fullscreen_hook = ns_fullscreen_hook;
4783 terminal->menu_show_hook = ns_menu_show;
4784 terminal->popup_dialog_hook = ns_popup_dialog;
4785 terminal->set_vertical_scroll_bar_hook = ns_set_vertical_scroll_bar;
4786 terminal->set_horizontal_scroll_bar_hook = ns_set_horizontal_scroll_bar;
4787 terminal->condemn_scroll_bars_hook = ns_condemn_scroll_bars;
4788 terminal->redeem_scroll_bar_hook = ns_redeem_scroll_bar;
4789 terminal->judge_scroll_bars_hook = ns_judge_scroll_bars;
4790 terminal->delete_frame_hook = x_destroy_window;
4791 terminal->delete_terminal_hook = ns_delete_terminal;
4792 /* Other hooks are NULL by default. */
4794 return terminal;
4795 }
4798 struct ns_display_info *
4799 ns_term_init (Lisp_Object display_name)
4800 /* --------------------------------------------------------------------------
4801 Start the Application and get things rolling.
4802 -------------------------------------------------------------------------- */
4803 {
4804 struct terminal *terminal;
4805 struct ns_display_info *dpyinfo;
4806 static int ns_initialized = 0;
4807 Lisp_Object tmp;
4809 if (ns_initialized) return x_display_list;
4810 ns_initialized = 1;
4812 block_input ();
4814 NSTRACE ("ns_term_init");
4816 [outerpool release];
4817 outerpool = [[NSAutoreleasePool alloc] init];
4819 /* count object allocs (About, click icon); on macOS use ObjectAlloc tool */
4820 /*GSDebugAllocationActive (YES); */
4821 block_input ();
4823 baud_rate = 38400;
4824 Fset_input_interrupt_mode (Qnil);
4826 if (selfds[0] == -1)
4827 {
4828 if (emacs_pipe (selfds) != 0)
4829 {
4830 fprintf (stderr, "Failed to create pipe: %s\n",
4831 emacs_strerror (errno));
4832 emacs_abort ();
4833 }
4835 fcntl (selfds[0], F_SETFL, O_NONBLOCK|fcntl (selfds[0], F_GETFL));
4836 FD_ZERO (&select_readfds);
4837 FD_ZERO (&select_writefds);
4838 pthread_mutex_init (&select_mutex, NULL);
4839 }
4841 ns_pending_files = [[NSMutableArray alloc] init];
4842 ns_pending_service_names = [[NSMutableArray alloc] init];
4843 ns_pending_service_args = [[NSMutableArray alloc] init];
4845 /* Start app and create the main menu, window, view.
4846 Needs to be here because ns_initialize_display_info () uses AppKit classes.
4847 The view will then ask the NSApp to stop and return to Emacs. */
4848 [EmacsApp sharedApplication];
4849 if (NSApp == nil)
4850 return NULL;
4851 [NSApp setDelegate: NSApp];
4853 /* Start the select thread. */
4854 [NSThread detachNewThreadSelector:@selector (fd_handler:)
4855 toTarget:NSApp
4856 withObject:nil];
4858 /* debugging: log all notifications */
4859 /* [[NSNotificationCenter defaultCenter] addObserver: NSApp
4860 selector: @selector (logNotification:)
4861 name: nil object: nil]; */
4863 dpyinfo = xzalloc (sizeof *dpyinfo);
4865 ns_initialize_display_info (dpyinfo);
4866 terminal = ns_create_terminal (dpyinfo);
4868 terminal->kboard = allocate_kboard (Qns);
4869 /* Don't let the initial kboard remain current longer than necessary.
4870 That would cause problems if a file loaded on startup tries to
4871 prompt in the mini-buffer. */
4872 if (current_kboard == initial_kboard)
4873 current_kboard = terminal->kboard;
4874 terminal->kboard->reference_count++;
4876 dpyinfo->next = x_display_list;
4877 x_display_list = dpyinfo;
4879 dpyinfo->name_list_element = Fcons (display_name, Qnil);
4881 terminal->name = xlispstrdup (display_name);
4883 unblock_input ();
4885 if (!inhibit_x_resources)
4886 {
4887 ns_default ("GSFontAntiAlias", &ns_antialias_text,
4888 Qt, Qnil, NO, NO);
4889 tmp = Qnil;
4890 /* this is a standard variable */
4891 ns_default ("AppleAntiAliasingThreshold", &tmp,
4892 make_float (10.0), make_float (6.0), YES, NO);
4893 ns_antialias_threshold = NILP (tmp) ? 10.0 : XFLOATINT (tmp);
4894 }
4896 NSTRACE_MSG ("Colors");
4898 {
4899 NSColorList *cl = [NSColorList colorListNamed: @"Emacs"];
4901 if ( cl == nil )
4902 {
4903 Lisp_Object color_file, color_map, color;
4904 unsigned long c;
4905 char *name;
4907 color_file = Fexpand_file_name (build_string ("rgb.txt"),
4908 Fsymbol_value (intern ("data-directory")));
4910 color_map = Fx_load_color_file (color_file);
4911 if (NILP (color_map))
4912 fatal ("Could not read %s.\n", SDATA (color_file));
4914 cl = [[NSColorList alloc] initWithName: @"Emacs"];
4915 for ( ; CONSP (color_map); color_map = XCDR (color_map))
4916 {
4917 color = XCAR (color_map);
4918 name = SSDATA (XCAR (color));
4919 c = XINT (XCDR (color));
4920 [cl setColor:
4921 [NSColor colorForEmacsRed: RED_FROM_ULONG (c) / 255.0
4922 green: GREEN_FROM_ULONG (c) / 255.0
4923 blue: BLUE_FROM_ULONG (c) / 255.0
4924 alpha: 1.0]
4925 forKey: [NSString stringWithUTF8String: name]];
4926 }
4927 [cl writeToFile: nil];
4928 }
4929 }
4931 NSTRACE_MSG ("Versions");
4933 {
4934 #ifdef NS_IMPL_GNUSTEP
4935 Vwindow_system_version = build_string (gnustep_base_version);
4936 #else
4937 /*PSnextrelease (128, c); */
4938 char c[DBL_BUFSIZE_BOUND];
4939 int len = dtoastr (c, sizeof c, 0, 0, NSAppKitVersionNumber);
4940 Vwindow_system_version = make_unibyte_string (c, len);
4941 #endif
4942 }
4944 delete_keyboard_wait_descriptor (0);
4946 ns_app_name = [[NSProcessInfo processInfo] processName];
4948 /* Set up macOS app menu */
4950 NSTRACE_MSG ("Menu init");
4952 #ifdef NS_IMPL_COCOA
4953 {
4954 NSMenu *appMenu;
4955 NSMenuItem *item;
4956 /* set up the application menu */
4957 svcsMenu = [[EmacsMenu alloc] initWithTitle: @"Services"];
4958 [svcsMenu setAutoenablesItems: NO];
4959 appMenu = [[EmacsMenu alloc] initWithTitle: @"Emacs"];
4960 [appMenu setAutoenablesItems: NO];
4961 mainMenu = [[EmacsMenu alloc] initWithTitle: @""];
4962 dockMenu = [[EmacsMenu alloc] initWithTitle: @""];
4964 [appMenu insertItemWithTitle: @"About Emacs"
4965 action: @selector (orderFrontStandardAboutPanel:)
4966 keyEquivalent: @""
4967 atIndex: 0];
4968 [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 1];
4969 [appMenu insertItemWithTitle: @"Preferences..."
4970 action: @selector (showPreferencesWindow:)
4971 keyEquivalent: @","
4972 atIndex: 2];
4973 [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 3];
4974 item = [appMenu insertItemWithTitle: @"Services"
4975 action: @selector (menuDown:)
4976 keyEquivalent: @""
4977 atIndex: 4];
4978 [appMenu setSubmenu: svcsMenu forItem: item];
4979 [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 5];
4980 [appMenu insertItemWithTitle: @"Hide Emacs"
4981 action: @selector (hide:)
4982 keyEquivalent: @"h"
4983 atIndex: 6];
4984 item = [appMenu insertItemWithTitle: @"Hide Others"
4985 action: @selector (hideOtherApplications:)
4986 keyEquivalent: @"h"
4987 atIndex: 7];
4988 [item setKeyEquivalentModifierMask: NSCommandKeyMask | NSAlternateKeyMask];
4989 [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 8];
4990 [appMenu insertItemWithTitle: @"Quit Emacs"
4991 action: @selector (terminate:)
4992 keyEquivalent: @"q"
4993 atIndex: 9];
4995 item = [mainMenu insertItemWithTitle: ns_app_name
4996 action: @selector (menuDown:)
4997 keyEquivalent: @""
4998 atIndex: 0];
4999 [mainMenu setSubmenu: appMenu forItem: item];
5000 [dockMenu insertItemWithTitle: @"New Frame"
5001 action: @selector (newFrame:)
5002 keyEquivalent: @""
5003 atIndex: 0];
5005 [NSApp setMainMenu: mainMenu];
5006 [NSApp setAppleMenu: appMenu];
5007 [NSApp setServicesMenu: svcsMenu];
5008 /* Needed at least on Cocoa, to get dock menu to show windows */
5009 [NSApp setWindowsMenu: [[NSMenu alloc] init]];
5011 [[NSNotificationCenter defaultCenter]
5012 addObserver: mainMenu
5013 selector: @selector (trackingNotification:)
5014 name: NSMenuDidBeginTrackingNotification object: mainMenu];
5015 [[NSNotificationCenter defaultCenter]
5016 addObserver: mainMenu
5017 selector: @selector (trackingNotification:)
5018 name: NSMenuDidEndTrackingNotification object: mainMenu];
5019 }
5020 #endif /* macOS menu setup */
5022 /* Register our external input/output types, used for determining
5023 applicable services and also drag/drop eligibility. */
5025 NSTRACE_MSG ("Input/output types");
5027 ns_send_types = [[NSArray arrayWithObjects: NSStringPboardType, nil] retain];
5028 ns_return_types = [[NSArray arrayWithObjects: NSStringPboardType, nil]
5029 retain];
5030 ns_drag_types = [[NSArray arrayWithObjects:
5031 NSStringPboardType,
5032 NSTabularTextPboardType,
5033 NSFilenamesPboardType,
5034 NSURLPboardType, nil] retain];
5036 /* If fullscreen is in init/default-frame-alist, focus isn't set
5037 right for fullscreen windows, so set this. */
5038 [NSApp activateIgnoringOtherApps:YES];
5040 NSTRACE_MSG ("Call NSApp run");
5042 [NSApp run];
5043 ns_do_open_file = YES;
5045 #ifdef NS_IMPL_GNUSTEP
5046 /* GNUstep steals SIGCHLD for use in NSTask, but we don't use NSTask.
5047 We must re-catch it so subprocess works. */
5048 catch_child_signal ();
5049 #endif
5051 NSTRACE_MSG ("ns_term_init done");
5053 unblock_input ();
5055 return dpyinfo;
5056 }
5059 void
5060 ns_term_shutdown (int sig)
5061 {
5062 [[NSUserDefaults standardUserDefaults] synchronize];
5064 /* code not reached in emacs.c after this is called by shut_down_emacs: */
5065 if (STRINGP (Vauto_save_list_file_name))
5066 unlink (SSDATA (Vauto_save_list_file_name));
5068 if (sig == 0 || sig == SIGTERM)
5069 {
5070 [NSApp terminate: NSApp];
5071 }
5072 else // force a stack trace to happen
5073 {
5074 emacs_abort ();
5075 }
5076 }
5079 /* ==========================================================================
5081 EmacsApp implementation
5083 ========================================================================== */
5086 @implementation EmacsApp
5088 - (id)init
5089 {
5090 NSTRACE ("[EmacsApp init]");
5092 if ((self = [super init]))
5093 {
5094 #ifdef NS_IMPL_COCOA
5095 self->isFirst = YES;
5096 #endif
5097 #ifdef NS_IMPL_GNUSTEP
5098 self->applicationDidFinishLaunchingCalled = NO;
5099 #endif
5100 }
5102 return self;
5103 }
5105 #ifdef NS_IMPL_COCOA
5106 - (void)run
5107 {
5108 NSTRACE ("[EmacsApp run]");
5110 #ifndef NSAppKitVersionNumber10_9
5111 #define NSAppKitVersionNumber10_9 1265
5112 #endif
5114 if ((int)NSAppKitVersionNumber != NSAppKitVersionNumber10_9)
5115 {
5116 [super run];
5117 return;
5118 }
5120 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
5122 if (isFirst) [self finishLaunching];
5123 isFirst = NO;
5125 shouldKeepRunning = YES;
5126 do
5127 {
5128 [pool release];
5129 pool = [[NSAutoreleasePool alloc] init];
5131 NSEvent *event =
5132 [self nextEventMatchingMask:NSAnyEventMask
5133 untilDate:[NSDate distantFuture]
5134 inMode:NSDefaultRunLoopMode
5135 dequeue:YES];
5137 [self sendEvent:event];
5138 [self updateWindows];
5139 } while (shouldKeepRunning);
5141 [pool release];
5142 }
5144 - (void)stop: (id)sender
5145 {
5146 NSTRACE ("[EmacsApp stop:]");
5148 shouldKeepRunning = NO;
5149 // Stop possible dialog also. Noop if no dialog present.
5150 // The file dialog still leaks 7k - 10k on 10.9 though.
5151 [super stop:sender];
5152 }
5153 #endif /* NS_IMPL_COCOA */
5155 - (void)logNotification: (NSNotification *)notification
5156 {
5157 NSTRACE ("[EmacsApp logNotification:]");
5159 const char *name = [[notification name] UTF8String];
5160 if (!strstr (name, "Update") && !strstr (name, "NSMenu")
5161 && !strstr (name, "WindowNumber"))
5162 NSLog (@"notification: '%@'", [notification name]);
5163 }
5166 - (void)sendEvent: (NSEvent *)theEvent
5167 /* --------------------------------------------------------------------------
5168 Called when NSApp is running for each event received. Used to stop
5169 the loop when we choose, since there's no way to just run one iteration.
5170 -------------------------------------------------------------------------- */
5171 {
5172 int type = [theEvent type];
5173 NSWindow *window = [theEvent window];
5175 NSTRACE_WHEN (NSTRACE_GROUP_EVENTS, "[EmacsApp sendEvent:]");
5176 NSTRACE_MSG ("Type: %d", type);
5178 #ifdef NS_IMPL_GNUSTEP
5179 // Keyboard events aren't propagated to file dialogs for some reason.
5180 if ([NSApp modalWindow] != nil &&
5181 (type == NSKeyDown || type == NSKeyUp || type == NSFlagsChanged))
5182 {
5183 [[NSApp modalWindow] sendEvent: theEvent];
5184 return;
5185 }
5186 #endif
5188 if (represented_filename != nil && represented_frame)
5189 {
5190 NSString *fstr = represented_filename;
5191 NSView *view = FRAME_NS_VIEW (represented_frame);
5192 #ifdef NS_IMPL_COCOA
5193 /* work around a bug observed on 10.3 and later where
5194 setTitleWithRepresentedFilename does not clear out previous state
5195 if given filename does not exist */
5196 if (! [[NSFileManager defaultManager] fileExistsAtPath: fstr])
5197 [[view window] setRepresentedFilename: @""];
5198 #endif
5199 [[view window] setRepresentedFilename: fstr];
5200 [represented_filename release];
5201 represented_filename = nil;
5202 represented_frame = NULL;
5203 }
5205 if (type == NSApplicationDefined)
5206 {
5207 switch ([theEvent data2])
5208 {
5209 #ifdef NS_IMPL_COCOA
5210 case NSAPP_DATA2_RUNASSCRIPT:
5211 ns_run_ascript ();
5212 [self stop: self];
5213 return;
5214 #endif
5215 case NSAPP_DATA2_RUNFILEDIALOG:
5216 ns_run_file_dialog ();
5217 [self stop: self];
5218 return;
5219 }
5220 }
5222 if (type == NSCursorUpdate && window == nil)
5223 {
5224 fprintf (stderr, "Dropping external cursor update event.\n");
5225 return;
5226 }
5228 if (type == NSApplicationDefined)
5229 {
5230 /* Events posted by ns_send_appdefined interrupt the run loop here.
5231 But, if a modal window is up, an appdefined can still come through,
5232 (e.g., from a makeKeyWindow event) but stopping self also stops the
5233 modal loop. Just defer it until later. */
5234 if ([NSApp modalWindow] == nil)
5235 {
5236 last_appdefined_event_data = [theEvent data1];
5237 [self stop: self];
5238 }
5239 else
5240 {
5241 send_appdefined = YES;
5242 }
5243 }
5246 #ifdef NS_IMPL_COCOA
5247 /* If no dialog and none of our frames have focus and it is a move, skip it.
5248 It is a mouse move in an auxiliary menu, i.e. on the top right on macOS,
5249 such as Wifi, sound, date or similar.
5250 This prevents "spooky" highlighting in the frame under the menu. */
5251 if (type == NSMouseMoved && [NSApp modalWindow] == nil)
5252 {
5253 struct ns_display_info *di;
5254 BOOL has_focus = NO;
5255 for (di = x_display_list; ! has_focus && di; di = di->next)
5256 has_focus = di->x_focus_frame != 0;
5257 if (! has_focus)
5258 return;
5259 }
5260 #endif
5262 NSTRACE_UNSILENCE();
5264 [super sendEvent: theEvent];
5265 }
5268 - (void)showPreferencesWindow: (id)sender
5269 {
5270 struct frame *emacsframe = SELECTED_FRAME ();
5271 NSEvent *theEvent = [NSApp currentEvent];
5273 if (!emacs_event)
5274 return;
5275 emacs_event->kind = NS_NONKEY_EVENT;
5276 emacs_event->code = KEY_NS_SHOW_PREFS;
5277 emacs_event->modifiers = 0;
5278 EV_TRAILER (theEvent);
5279 }
5282 - (void)newFrame: (id)sender
5283 {
5284 NSTRACE ("[EmacsApp newFrame:]");
5286 struct frame *emacsframe = SELECTED_FRAME ();
5287 NSEvent *theEvent = [NSApp currentEvent];
5289 if (!emacs_event)
5290 return;
5291 emacs_event->kind = NS_NONKEY_EVENT;
5292 emacs_event->code = KEY_NS_NEW_FRAME;
5293 emacs_event->modifiers = 0;
5294 EV_TRAILER (theEvent);
5295 }
5298 /* Open a file (used by below, after going into queue read by ns_read_socket) */
5299 - (BOOL) openFile: (NSString *)fileName
5300 {
5301 NSTRACE ("[EmacsApp openFile:]");
5303 struct frame *emacsframe = SELECTED_FRAME ();
5304 NSEvent *theEvent = [NSApp currentEvent];
5306 if (!emacs_event)
5307 return NO;
5309 emacs_event->kind = NS_NONKEY_EVENT;
5310 emacs_event->code = KEY_NS_OPEN_FILE_LINE;
5311 ns_input_file = append2 (ns_input_file, build_string ([fileName UTF8String]));
5312 ns_input_line = Qnil; /* can be start or cons start,end */
5313 emacs_event->modifiers =0;
5314 EV_TRAILER (theEvent);
5316 return YES;
5317 }
5320 /* **************************************************************************
5322 EmacsApp delegate implementation
5324 ************************************************************************** */
5326 - (void)applicationDidFinishLaunching: (NSNotification *)notification
5327 /* --------------------------------------------------------------------------
5328 When application is loaded, terminate event loop in ns_term_init
5329 -------------------------------------------------------------------------- */
5330 {
5331 NSTRACE ("[EmacsApp applicationDidFinishLaunching:]");
5333 #ifdef NS_IMPL_GNUSTEP
5334 ((EmacsApp *)self)->applicationDidFinishLaunchingCalled = YES;
5335 #endif
5336 [NSApp setServicesProvider: NSApp];
5338 [self antialiasThresholdDidChange:nil];
5339 #ifdef NS_IMPL_COCOA
5340 [[NSNotificationCenter defaultCenter]
5341 addObserver:self
5342 selector:@selector(antialiasThresholdDidChange:)
5343 name:NSAntialiasThresholdChangedNotification
5344 object:nil];
5345 #endif
5347 ns_send_appdefined (-2);
5348 }
5350 - (void)antialiasThresholdDidChange:(NSNotification *)notification
5351 {
5352 #ifdef NS_IMPL_COCOA
5353 macfont_update_antialias_threshold ();
5354 #endif
5355 }
5358 /* Termination sequences:
5359 C-x C-c:
5360 Cmd-Q:
5361 MenuBar | File | Exit:
5362 Select Quit from App menubar:
5363 -terminate
5364 KEY_NS_POWER_OFF, (save-buffers-kill-emacs)
5365 ns_term_shutdown()
5367 Select Quit from Dock menu:
5368 Logout attempt:
5369 -appShouldTerminate
5370 Cancel -> Nothing else
5371 Accept ->
5373 -terminate
5374 KEY_NS_POWER_OFF, (save-buffers-kill-emacs)
5375 ns_term_shutdown()
5377 */
5379 - (void) terminate: (id)sender
5380 {
5381 NSTRACE ("[EmacsApp terminate:]");
5383 struct frame *emacsframe = SELECTED_FRAME ();
5385 if (!emacs_event)
5386 return;
5388 emacs_event->kind = NS_NONKEY_EVENT;
5389 emacs_event->code = KEY_NS_POWER_OFF;
5390 emacs_event->arg = Qt; /* mark as non-key event */
5391 EV_TRAILER ((id)nil);
5392 }
5394 static bool
5395 runAlertPanel(NSString *title,
5396 NSString *msgFormat,
5397 NSString *defaultButton,
5398 NSString *alternateButton)
5399 {
5400 #if !defined (NS_IMPL_COCOA) || \
5401 MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_9
5402 return NSRunAlertPanel(title, msgFormat, defaultButton, alternateButton, nil)
5403 == NSAlertDefaultReturn;
5404 #else
5405 NSAlert *alert = [[NSAlert alloc] init];
5406 [alert setAlertStyle: NSCriticalAlertStyle];
5407 [alert setMessageText: msgFormat];
5408 [alert addButtonWithTitle: defaultButton];
5409 [alert addButtonWithTitle: alternateButton];
5410 NSInteger ret = [alert runModal];
5411 [alert release];
5412 return ret == NSAlertFirstButtonReturn;
5413 #endif
5414 }
5417 - (NSApplicationTerminateReply)applicationShouldTerminate: (id)sender
5418 {
5419 NSTRACE ("[EmacsApp applicationShouldTerminate:]");
5421 bool ret;
5423 if (NILP (ns_confirm_quit)) // || ns_shutdown_properly --> TO DO
5424 return NSTerminateNow;
5426 ret = runAlertPanel(ns_app_name,
5427 @"Exit requested. Would you like to Save Buffers and Exit, or Cancel the request?",
5428 @"Save Buffers and Exit", @"Cancel");
5430 if (ret)
5431 return NSTerminateNow;
5432 else
5433 return NSTerminateCancel;
5434 return NSTerminateNow; /* just in case */
5435 }
5437 static int
5438 not_in_argv (NSString *arg)
5439 {
5440 int k;
5441 const char *a = [arg UTF8String];
5442 for (k = 1; k < initial_argc; ++k)
5443 if (strcmp (a, initial_argv[k]) == 0) return 0;
5444 return 1;
5445 }
5447 /* Notification from the Workspace to open a file */
5448 - (BOOL)application: sender openFile: (NSString *)file
5449 {
5450 if (ns_do_open_file || not_in_argv (file))
5451 [ns_pending_files addObject: file];
5452 return YES;
5453 }
5456 /* Open a file as a temporary file */
5457 - (BOOL)application: sender openTempFile: (NSString *)file
5458 {
5459 if (ns_do_open_file || not_in_argv (file))
5460 [ns_pending_files addObject: file];
5461 return YES;
5462 }
5465 /* Notification from the Workspace to open a file noninteractively (?) */
5466 - (BOOL)application: sender openFileWithoutUI: (NSString *)file
5467 {
5468 if (ns_do_open_file || not_in_argv (file))
5469 [ns_pending_files addObject: file];
5470 return YES;
5471 }
5473 /* Notification from the Workspace to open multiple files */
5474 - (void)application: sender openFiles: (NSArray *)fileList
5475 {
5476 NSEnumerator *files = [fileList objectEnumerator];
5477 NSString *file;
5478 /* Don't open files from the command line unconditionally,
5479 Cocoa parses the command line wrong, --option value tries to open value
5480 if --option is the last option. */
5481 while ((file = [files nextObject]) != nil)
5482 if (ns_do_open_file || not_in_argv (file))
5483 [ns_pending_files addObject: file];
5485 [self replyToOpenOrPrint: NSApplicationDelegateReplySuccess];
5487 }
5490 /* Handle dock menu requests. */
5491 - (NSMenu *)applicationDockMenu: (NSApplication *) sender
5492 {
5493 return dockMenu;
5494 }
5497 /* TODO: these may help w/IO switching btwn terminal and NSApp */
5498 - (void)applicationWillBecomeActive: (NSNotification *)notification
5499 {
5500 NSTRACE ("[EmacsApp applicationWillBecomeActive:]");
5501 //ns_app_active=YES;
5502 }
5504 - (void)applicationDidBecomeActive: (NSNotification *)notification
5505 {
5506 NSTRACE ("[EmacsApp applicationDidBecomeActive:]");
5508 #ifdef NS_IMPL_GNUSTEP
5509 if (! applicationDidFinishLaunchingCalled)
5510 [self applicationDidFinishLaunching:notification];
5511 #endif
5512 //ns_app_active=YES;
5514 ns_update_auto_hide_menu_bar ();
5515 // No constraining takes place when the application is not active.
5516 ns_constrain_all_frames ();
5517 }
5518 - (void)applicationDidResignActive: (NSNotification *)notification
5519 {
5520 NSTRACE ("[EmacsApp applicationDidResignActive:]");
5522 //ns_app_active=NO;
5523 ns_send_appdefined (-1);
5524 }
5528 /* ==========================================================================
5530 EmacsApp aux handlers for managing event loop
5532 ========================================================================== */
5535 - (void)timeout_handler: (NSTimer *)timedEntry
5536 /* --------------------------------------------------------------------------
5537 The timeout specified to ns_select has passed.
5538 -------------------------------------------------------------------------- */
5539 {
5540 /*NSTRACE ("timeout_handler"); */
5541 ns_send_appdefined (-2);
5542 }
5544 - (void)sendFromMainThread:(id)unused
5545 {
5546 ns_send_appdefined (nextappdefined);
5547 }
5549 - (void)fd_handler:(id)unused
5550 /* --------------------------------------------------------------------------
5551 Check data waiting on file descriptors and terminate if so
5552 -------------------------------------------------------------------------- */
5553 {
5554 int result;
5555 int waiting = 1, nfds;
5556 char c;
5558 fd_set readfds, writefds, *wfds;
5559 struct timespec timeout, *tmo;
5560 NSAutoreleasePool *pool = nil;
5562 /* NSTRACE ("fd_handler"); */
5564 for (;;)
5565 {
5566 [pool release];
5567 pool = [[NSAutoreleasePool alloc] init];
5569 if (waiting)
5570 {
5571 fd_set fds;
5572 FD_ZERO (&fds);
5573 FD_SET (selfds[0], &fds);
5574 result = select (selfds[0]+1, &fds, NULL, NULL, NULL);
5575 if (result > 0 && read (selfds[0], &c, 1) == 1 && c == 'g')
5576 waiting = 0;
5577 }
5578 else
5579 {
5580 pthread_mutex_lock (&select_mutex);
5581 nfds = select_nfds;
5583 if (select_valid & SELECT_HAVE_READ)
5584 readfds = select_readfds;
5585 else
5586 FD_ZERO (&readfds);
5588 if (select_valid & SELECT_HAVE_WRITE)
5589 {
5590 writefds = select_writefds;
5591 wfds = &writefds;
5592 }
5593 else
5594 wfds = NULL;
5595 if (select_valid & SELECT_HAVE_TMO)
5596 {
5597 timeout = select_timeout;
5598 tmo = &timeout;
5599 }
5600 else
5601 tmo = NULL;
5603 pthread_mutex_unlock (&select_mutex);
5605 FD_SET (selfds[0], &readfds);
5606 if (selfds[0] >= nfds) nfds = selfds[0]+1;
5608 result = pselect (nfds, &readfds, wfds, NULL, tmo, NULL);
5610 if (result == 0)
5611 ns_send_appdefined (-2);
5612 else if (result > 0)
5613 {
5614 if (FD_ISSET (selfds[0], &readfds))
5615 {
5616 if (read (selfds[0], &c, 1) == 1 && c == 's')
5617 waiting = 1;
5618 }
5619 else
5620 {
5621 pthread_mutex_lock (&select_mutex);
5622 if (select_valid & SELECT_HAVE_READ)
5623 select_readfds = readfds;
5624 if (select_valid & SELECT_HAVE_WRITE)
5625 select_writefds = writefds;
5626 if (select_valid & SELECT_HAVE_TMO)
5627 select_timeout = timeout;
5628 pthread_mutex_unlock (&select_mutex);
5630 ns_send_appdefined (result);
5631 }
5632 }
5633 waiting = 1;
5634 }
5635 }
5636 }
5640 /* ==========================================================================
5642 Service provision
5644 ========================================================================== */
5646 /* called from system: queue for next pass through event loop */
5647 - (void)requestService: (NSPasteboard *)pboard
5648 userData: (NSString *)userData
5649 error: (NSString **)error
5650 {
5651 [ns_pending_service_names addObject: userData];
5652 [ns_pending_service_args addObject: [NSString stringWithUTF8String:
5653 SSDATA (ns_string_from_pasteboard (pboard))]];
5654 }
5657 /* called from ns_read_socket to clear queue */
5658 - (BOOL)fulfillService: (NSString *)name withArg: (NSString *)arg
5659 {
5660 struct frame *emacsframe = SELECTED_FRAME ();
5661 NSEvent *theEvent = [NSApp currentEvent];
5663 NSTRACE ("[EmacsApp fulfillService:withArg:]");
5665 if (!emacs_event)
5666 return NO;
5668 emacs_event->kind = NS_NONKEY_EVENT;
5669 emacs_event->code = KEY_NS_SPI_SERVICE_CALL;
5670 ns_input_spi_name = build_string ([name UTF8String]);
5671 ns_input_spi_arg = build_string ([arg UTF8String]);
5672 emacs_event->modifiers = EV_MODIFIERS (theEvent);
5673 EV_TRAILER (theEvent);
5675 return YES;
5676 }
5679 @end /* EmacsApp */
5683 /* ==========================================================================
5685 EmacsView implementation
5687 ========================================================================== */
5690 @implementation EmacsView
5692 /* needed to inform when window closed from LISP */
5693 - (void) setWindowClosing: (BOOL)closing
5694 {
5695 NSTRACE ("[EmacsView setWindowClosing:%d]", closing);
5697 windowClosing = closing;
5698 }
5701 - (void)dealloc
5702 {
5703 NSTRACE ("[EmacsView dealloc]");
5704 [toolbar release];
5705 if (fs_state == FULLSCREEN_BOTH)
5706 [nonfs_window release];
5707 [super dealloc];
5708 }
5711 /* called on font panel selection */
5712 - (void)changeFont: (id)sender
5713 {
5714 NSEvent *e = [[self window] currentEvent];
5715 struct face *face = FRAME_DEFAULT_FACE (emacsframe);
5716 struct font *font = face->font;
5717 id newFont;
5718 CGFloat size;
5719 NSFont *nsfont;
5721 NSTRACE ("[EmacsView changeFont:]");
5723 if (!emacs_event)
5724 return;
5726 #ifdef NS_IMPL_GNUSTEP
5727 nsfont = ((struct nsfont_info *)font)->nsfont;
5728 #endif
5729 #ifdef NS_IMPL_COCOA
5730 nsfont = (NSFont *) macfont_get_nsctfont (font);
5731 #endif
5733 if ((newFont = [sender convertFont: nsfont]))
5734 {
5735 SET_FRAME_GARBAGED (emacsframe); /* now needed as of 2008/10 */
5737 emacs_event->kind = NS_NONKEY_EVENT;
5738 emacs_event->modifiers = 0;
5739 emacs_event->code = KEY_NS_CHANGE_FONT;
5741 size = [newFont pointSize];
5742 ns_input_fontsize = make_number (lrint (size));
5743 ns_input_font = build_string ([[newFont familyName] UTF8String]);
5744 EV_TRAILER (e);
5745 }
5746 }
5749 - (BOOL)acceptsFirstResponder
5750 {
5751 NSTRACE ("[EmacsView acceptsFirstResponder]");
5752 return YES;
5753 }
5756 - (void)resetCursorRects
5757 {
5758 NSRect visible = [self visibleRect];
5759 NSCursor *currentCursor = FRAME_POINTER_TYPE (emacsframe);
5760 NSTRACE ("[EmacsView resetCursorRects]");
5762 if (currentCursor == nil)
5763 currentCursor = [NSCursor arrowCursor];
5765 if (!NSIsEmptyRect (visible))
5766 [self addCursorRect: visible cursor: currentCursor];
5767 [currentCursor setOnMouseEntered: YES];
5768 }
5772 /*****************************************************************************/
5773 /* Keyboard handling. */
5774 #define NS_KEYLOG 0
5776 - (void)keyDown: (NSEvent *)theEvent
5777 {
5778 Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (emacsframe);
5779 int code;
5780 unsigned fnKeysym = 0;
5781 static NSMutableArray *nsEvArray;
5782 int left_is_none;
5783 unsigned int flags = [theEvent modifierFlags];
5785 NSTRACE ("[EmacsView keyDown:]");
5787 /* Rhapsody and macOS give up and down events for the arrow keys */
5788 if (ns_fake_keydown == YES)
5789 ns_fake_keydown = NO;
5790 else if ([theEvent type] != NSKeyDown)
5791 return;
5793 if (!emacs_event)
5794 return;
5796 if (![[self window] isKeyWindow]
5797 && [[theEvent window] isKindOfClass: [EmacsWindow class]]
5798 /* we must avoid an infinite loop here. */
5799 && (EmacsView *)[[theEvent window] delegate] != self)
5800 {
5801 /* XXX: There is an occasional condition in which, when Emacs display
5802 updates a different frame from the current one, and temporarily
5803 selects it, then processes some interrupt-driven input
5804 (dispnew.c:3878), OS will send the event to the correct NSWindow, but
5805 for some reason that window has its first responder set to the NSView
5806 most recently updated (I guess), which is not the correct one. */
5807 [(EmacsView *)[[theEvent window] delegate] keyDown: theEvent];
5808 return;
5809 }
5811 if (nsEvArray == nil)
5812 nsEvArray = [[NSMutableArray alloc] initWithCapacity: 1];
5814 [NSCursor setHiddenUntilMouseMoves: YES];
5816 if (hlinfo->mouse_face_hidden && INTEGERP (Vmouse_highlight))
5817 {
5818 clear_mouse_face (hlinfo);
5819 hlinfo->mouse_face_hidden = 1;
5820 }
5822 if (!processingCompose)
5823 {
5824 /* When using screen sharing, no left or right information is sent,
5825 so use Left key in those cases. */
5826 int is_left_key, is_right_key;
5828 code = ([[theEvent charactersIgnoringModifiers] length] == 0) ?
5829 0 : [[theEvent charactersIgnoringModifiers] characterAtIndex: 0];
5831 /* (Carbon way: [theEvent keyCode]) */
5833 /* is it a "function key"? */
5834 /* Note: Sometimes a plain key will have the NSNumericPadKeyMask
5835 flag set (this is probably a bug in the OS).
5836 */
5837 if (code < 0x00ff && (flags&NSNumericPadKeyMask))
5838 {
5839 fnKeysym = ns_convert_key ([theEvent keyCode] | NSNumericPadKeyMask);
5840 }
5841 if (fnKeysym == 0)
5842 {
5843 fnKeysym = ns_convert_key (code);
5844 }
5846 if (fnKeysym)
5847 {
5848 /* COUNTERHACK: map 'Delete' on upper-right main KB to 'Backspace',
5849 because Emacs treats Delete and KP-Delete same (in simple.el). */
5850 if ((fnKeysym == 0xFFFF && [theEvent keyCode] == 0x33)
5851 #ifdef NS_IMPL_GNUSTEP
5852 /* GNUstep uses incompatible keycodes, even for those that are
5853 supposed to be hardware independent. Just check for delete.
5854 Keypad delete does not have keysym 0xFFFF.
5855 See http://savannah.gnu.org/bugs/?25395
5856 */
5857 || (fnKeysym == 0xFFFF && code == 127)
5858 #endif
5859 )
5860 code = 0xFF08; /* backspace */
5861 else
5862 code = fnKeysym;
5863 }
5865 /* are there modifiers? */
5866 emacs_event->modifiers = 0;
5868 if (flags & NSHelpKeyMask)
5869 emacs_event->modifiers |= hyper_modifier;
5871 if (flags & NSShiftKeyMask)
5872 emacs_event->modifiers |= shift_modifier;
5874 is_right_key = (flags & NSRightCommandKeyMask) == NSRightCommandKeyMask;
5875 is_left_key = (flags & NSLeftCommandKeyMask) == NSLeftCommandKeyMask
5876 || (! is_right_key && (flags & NSCommandKeyMask) == NSCommandKeyMask);
5878 if (is_right_key)
5879 emacs_event->modifiers |= parse_solitary_modifier
5880 (EQ (ns_right_command_modifier, Qleft)
5881 ? ns_command_modifier
5882 : ns_right_command_modifier);
5884 if (is_left_key)
5885 {
5886 emacs_event->modifiers |= parse_solitary_modifier
5887 (ns_command_modifier);
5889 /* if super (default), take input manager's word so things like
5890 dvorak / qwerty layout work */
5891 if (EQ (ns_command_modifier, Qsuper)
5892 && !fnKeysym
5893 && [[theEvent characters] length] != 0)
5894 {
5895 /* XXX: the code we get will be unshifted, so if we have
5896 a shift modifier, must convert ourselves */
5897 if (!(flags & NSShiftKeyMask))
5898 code = [[theEvent characters] characterAtIndex: 0];
5899 #if 0
5900 /* this is ugly and also requires linking w/Carbon framework
5901 (for LMGetKbdType) so for now leave this rare (?) case
5902 undealt with.. in future look into CGEvent methods */
5903 else
5904 {
5905 long smv = GetScriptManagerVariable (smKeyScript);
5906 Handle uchrHandle = GetResource
5907 ('uchr', GetScriptVariable (smv, smScriptKeys));
5908 UInt32 dummy = 0;
5909 UCKeyTranslate ((UCKeyboardLayout*)*uchrHandle,
5910 [[theEvent characters] characterAtIndex: 0],
5911 kUCKeyActionDisplay,
5912 (flags & ~NSCommandKeyMask) >> 8,
5913 LMGetKbdType (), kUCKeyTranslateNoDeadKeysMask,
5914 &dummy, 1, &dummy, &code);
5915 code &= 0xFF;
5916 }
5917 #endif
5918 }
5919 }
5921 is_right_key = (flags & NSRightControlKeyMask) == NSRightControlKeyMask;
5922 is_left_key = (flags & NSLeftControlKeyMask) == NSLeftControlKeyMask
5923 || (! is_right_key && (flags & NSControlKeyMask) == NSControlKeyMask);
5925 if (is_right_key)
5926 emacs_event->modifiers |= parse_solitary_modifier
5927 (EQ (ns_right_control_modifier, Qleft)
5928 ? ns_control_modifier
5929 : ns_right_control_modifier);
5931 if (is_left_key)
5932 emacs_event->modifiers |= parse_solitary_modifier
5933 (ns_control_modifier);
5935 if (flags & NS_FUNCTION_KEY_MASK && !fnKeysym)
5936 emacs_event->modifiers |=
5937 parse_solitary_modifier (ns_function_modifier);
5939 left_is_none = NILP (ns_alternate_modifier)
5940 || EQ (ns_alternate_modifier, Qnone);
5942 is_right_key = (flags & NSRightAlternateKeyMask)
5943 == NSRightAlternateKeyMask;
5944 is_left_key = (flags & NSLeftAlternateKeyMask) == NSLeftAlternateKeyMask
5945 || (! is_right_key
5946 && (flags & NSAlternateKeyMask) == NSAlternateKeyMask);
5948 if (is_right_key)
5949 {
5950 if ((NILP (ns_right_alternate_modifier)
5951 || EQ (ns_right_alternate_modifier, Qnone)
5952 || (EQ (ns_right_alternate_modifier, Qleft) && left_is_none))
5953 && !fnKeysym)
5954 { /* accept pre-interp alt comb */
5955 if ([[theEvent characters] length] > 0)
5956 code = [[theEvent characters] characterAtIndex: 0];
5957 /*HACK: clear lone shift modifier to stop next if from firing */
5958 if (emacs_event->modifiers == shift_modifier)
5959 emacs_event->modifiers = 0;
5960 }
5961 else
5962 emacs_event->modifiers |= parse_solitary_modifier
5963 (EQ (ns_right_alternate_modifier, Qleft)
5964 ? ns_alternate_modifier
5965 : ns_right_alternate_modifier);
5966 }
5968 if (is_left_key) /* default = meta */
5969 {
5970 if (left_is_none && !fnKeysym)
5971 { /* accept pre-interp alt comb */
5972 if ([[theEvent characters] length] > 0)
5973 code = [[theEvent characters] characterAtIndex: 0];
5974 /*HACK: clear lone shift modifier to stop next if from firing */
5975 if (emacs_event->modifiers == shift_modifier)
5976 emacs_event->modifiers = 0;
5977 }
5978 else
5979 emacs_event->modifiers |=
5980 parse_solitary_modifier (ns_alternate_modifier);
5981 }
5983 if (NS_KEYLOG)
5984 fprintf (stderr, "keyDown: code =%x\tfnKey =%x\tflags = %x\tmods = %x\n",
5985 code, fnKeysym, flags, emacs_event->modifiers);
5987 /* if it was a function key or had modifiers, pass it directly to emacs */
5988 if (fnKeysym || (emacs_event->modifiers
5989 && (emacs_event->modifiers != shift_modifier)
5990 && [[theEvent charactersIgnoringModifiers] length] > 0))
5991 /*[[theEvent characters] length] */
5992 {
5993 emacs_event->kind = NON_ASCII_KEYSTROKE_EVENT;
5994 if (code < 0x20)
5995 code |= (1<<28)|(3<<16);
5996 else if (code == 0x7f)
5997 code |= (1<<28)|(3<<16);
5998 else if (!fnKeysym)
5999 emacs_event->kind = code > 0xFF
6000 ? MULTIBYTE_CHAR_KEYSTROKE_EVENT : ASCII_KEYSTROKE_EVENT;
6002 emacs_event->code = code;
6003 EV_TRAILER (theEvent);
6004 processingCompose = NO;
6005 return;
6006 }
6007 }
6010 if (NS_KEYLOG && !processingCompose)
6011 fprintf (stderr, "keyDown: Begin compose sequence.\n");
6013 processingCompose = YES;
6014 [nsEvArray addObject: theEvent];
6015 [self interpretKeyEvents: nsEvArray];
6016 [nsEvArray removeObject: theEvent];
6017 }
6020 #ifdef NS_IMPL_COCOA
6021 /* Needed to pick up Ctrl-tab and possibly other events that Mac OS X
6022 decided not to send key-down for.
6023 See http://osdir.com/ml/editors.vim.mac/2007-10/msg00141.html
6024 This only applies on Tiger and earlier.
6025 If it matches one of these, send it on to keyDown. */
6026 -(void)keyUp: (NSEvent *)theEvent
6027 {
6028 int flags = [theEvent modifierFlags];
6029 int code = [theEvent keyCode];
6031 NSTRACE ("[EmacsView keyUp:]");
6033 if (floor (NSAppKitVersionNumber) <= 824 /*NSAppKitVersionNumber10_4*/ &&
6034 code == 0x30 && (flags & NSControlKeyMask) && !(flags & NSCommandKeyMask))
6035 {
6036 if (NS_KEYLOG)
6037 fprintf (stderr, "keyUp: passed test");
6038 ns_fake_keydown = YES;
6039 [self keyDown: theEvent];
6040 }
6041 }
6042 #endif
6045 /* <NSTextInput> implementation (called through super interpretKeyEvents:]). */
6048 /* <NSTextInput>: called when done composing;
6049 NOTE: also called when we delete over working text, followed immed.
6050 by doCommandBySelector: deleteBackward: */
6051 - (void)insertText: (id)aString
6052 {
6053 int code;
6054 int len = [(NSString *)aString length];
6055 int i;
6057 NSTRACE ("[EmacsView insertText:]");
6059 if (NS_KEYLOG)
6060 NSLog (@"insertText '%@'\tlen = %d", aString, len);
6061 processingCompose = NO;
6063 if (!emacs_event)
6064 return;
6066 /* first, clear any working text */
6067 if (workingText != nil)
6068 [self deleteWorkingText];
6070 /* now insert the string as keystrokes */
6071 for (i =0; i<len; i++)
6072 {
6073 code = [aString characterAtIndex: i];
6074 /* TODO: still need this? */
6075 if (code == 0x2DC)
6076 code = '~'; /* 0x7E */
6077 if (code != 32) /* Space */
6078 emacs_event->modifiers = 0;
6079 emacs_event->kind
6080 = code > 0xFF ? MULTIBYTE_CHAR_KEYSTROKE_EVENT : ASCII_KEYSTROKE_EVENT;
6081 emacs_event->code = code;
6082 EV_TRAILER ((id)nil);
6083 }
6084 }
6087 /* <NSTextInput>: inserts display of composing characters */
6088 - (void)setMarkedText: (id)aString selectedRange: (NSRange)selRange
6089 {
6090 NSString *str = [aString respondsToSelector: @selector (string)] ?
6091 [aString string] : aString;
6093 NSTRACE ("[EmacsView setMarkedText:selectedRange:]");
6095 if (NS_KEYLOG)
6096 NSLog (@"setMarkedText '%@' len =%lu range %lu from %lu",
6097 str, (unsigned long)[str length],
6098 (unsigned long)selRange.length,
6099 (unsigned long)selRange.location);
6101 if (workingText != nil)
6102 [self deleteWorkingText];
6103 if ([str length] == 0)
6104 return;
6106 if (!emacs_event)
6107 return;
6109 processingCompose = YES;
6110 workingText = [str copy];
6111 ns_working_text = build_string ([workingText UTF8String]);
6113 emacs_event->kind = NS_TEXT_EVENT;
6114 emacs_event->code = KEY_NS_PUT_WORKING_TEXT;
6115 EV_TRAILER ((id)nil);
6116 }
6119 /* delete display of composing characters [not in <NSTextInput>] */
6120 - (void)deleteWorkingText
6121 {
6122 NSTRACE ("[EmacsView deleteWorkingText]");
6124 if (workingText == nil)
6125 return;
6126 if (NS_KEYLOG)
6127 NSLog(@"deleteWorkingText len =%lu\n", (unsigned long)[workingText length]);
6128 [workingText release];
6129 workingText = nil;
6130 processingCompose = NO;
6132 if (!emacs_event)
6133 return;
6135 emacs_event->kind = NS_TEXT_EVENT;
6136 emacs_event->code = KEY_NS_UNPUT_WORKING_TEXT;
6137 EV_TRAILER ((id)nil);
6138 }
6141 - (BOOL)hasMarkedText
6142 {
6143 NSTRACE ("[EmacsView hasMarkedText]");
6145 return workingText != nil;
6146 }
6149 - (NSRange)markedRange
6150 {
6151 NSTRACE ("[EmacsView markedRange]");
6153 NSRange rng = workingText != nil
6154 ? NSMakeRange (0, [workingText length]) : NSMakeRange (NSNotFound, 0);
6155 if (NS_KEYLOG)
6156 NSLog (@"markedRange request");
6157 return rng;
6158 }
6161 - (void)unmarkText
6162 {
6163 NSTRACE ("[EmacsView unmarkText]");
6165 if (NS_KEYLOG)
6166 NSLog (@"unmark (accept) text");
6167 [self deleteWorkingText];
6168 processingCompose = NO;
6169 }
6172 /* used to position char selection windows, etc. */
6173 - (NSRect)firstRectForCharacterRange: (NSRange)theRange
6174 {
6175 NSRect rect;
6176 NSPoint pt;
6177 struct window *win = XWINDOW (FRAME_SELECTED_WINDOW (emacsframe));
6179 NSTRACE ("[EmacsView firstRectForCharacterRange:]");
6181 if (NS_KEYLOG)
6182 NSLog (@"firstRectForCharRange request");
6184 rect.size.width = theRange.length * FRAME_COLUMN_WIDTH (emacsframe);
6185 rect.size.height = FRAME_LINE_HEIGHT (emacsframe);
6186 pt.x = WINDOW_TEXT_TO_FRAME_PIXEL_X (win, win->phys_cursor.x);
6187 pt.y = WINDOW_TO_FRAME_PIXEL_Y (win, win->phys_cursor.y
6188 +FRAME_LINE_HEIGHT (emacsframe));
6190 pt = [self convertPoint: pt toView: nil];
6191 pt = [[self window] convertBaseToScreen: pt];
6192 rect.origin = pt;
6193 return rect;
6194 }
6197 - (NSInteger)conversationIdentifier
6198 {
6199 return (NSInteger)self;
6200 }
6203 - (void)doCommandBySelector: (SEL)aSelector
6204 {
6205 NSTRACE ("[EmacsView doCommandBySelector:]");
6207 if (NS_KEYLOG)
6208 NSLog (@"doCommandBySelector: %@", NSStringFromSelector (aSelector));
6210 processingCompose = NO;
6211 if (aSelector == @selector (deleteBackward:))
6212 {
6213 /* happens when user backspaces over an ongoing composition:
6214 throw a 'delete' into the event queue */
6215 if (!emacs_event)
6216 return;
6217 emacs_event->kind = NON_ASCII_KEYSTROKE_EVENT;
6218 emacs_event->code = 0xFF08;
6219 EV_TRAILER ((id)nil);
6220 }
6221 }
6223 - (NSArray *)validAttributesForMarkedText
6224 {
6225 static NSArray *arr = nil;
6226 if (arr == nil) arr = [NSArray new];
6227 /* [[NSArray arrayWithObject: NSUnderlineStyleAttributeName] retain]; */
6228 return arr;
6229 }
6231 - (NSRange)selectedRange
6232 {
6233 if (NS_KEYLOG)
6234 NSLog (@"selectedRange request");
6235 return NSMakeRange (NSNotFound, 0);
6236 }
6238 #if defined (NS_IMPL_COCOA) || GNUSTEP_GUI_MAJOR_VERSION > 0 || \
6239 GNUSTEP_GUI_MINOR_VERSION > 22
6240 - (NSUInteger)characterIndexForPoint: (NSPoint)thePoint
6241 #else
6242 - (unsigned int)characterIndexForPoint: (NSPoint)thePoint
6243 #endif
6244 {
6245 if (NS_KEYLOG)
6246 NSLog (@"characterIndexForPoint request");
6247 return 0;
6248 }
6250 - (NSAttributedString *)attributedSubstringFromRange: (NSRange)theRange
6251 {
6252 static NSAttributedString *str = nil;
6253 if (str == nil) str = [NSAttributedString new];
6254 if (NS_KEYLOG)
6255 NSLog (@"attributedSubstringFromRange request");
6256 return str;
6257 }
6259 /* End <NSTextInput> impl. */
6260 /*****************************************************************************/
6263 /* This is what happens when the user presses a mouse button. */
6264 - (void)mouseDown: (NSEvent *)theEvent
6265 {
6266 struct ns_display_info *dpyinfo = FRAME_DISPLAY_INFO (emacsframe);
6267 NSPoint p = [self convertPoint: [theEvent locationInWindow] fromView: nil];
6269 NSTRACE ("[EmacsView mouseDown:]");
6271 [self deleteWorkingText];
6273 if (!emacs_event)
6274 return;
6276 dpyinfo->last_mouse_frame = emacsframe;
6277 /* appears to be needed to prevent spurious movement events generated on
6278 button clicks */
6279 emacsframe->mouse_moved = 0;
6281 if ([theEvent type] == NSScrollWheel)
6282 {
6283 CGFloat delta = [theEvent deltaY];
6284 /* Mac notebooks send wheel events w/delta =0 when trackpad scrolling */
6285 if (delta == 0)
6286 {
6287 delta = [theEvent deltaX];
6288 if (delta == 0)
6289 {
6290 NSTRACE_MSG ("deltaIsZero");
6291 return;
6292 }
6293 emacs_event->kind = HORIZ_WHEEL_EVENT;
6294 }
6295 else
6296 emacs_event->kind = WHEEL_EVENT;
6298 emacs_event->code = 0;
6299 emacs_event->modifiers = EV_MODIFIERS (theEvent) |
6300 ((delta > 0) ? up_modifier : down_modifier);
6301 }
6302 else
6303 {
6304 emacs_event->kind = MOUSE_CLICK_EVENT;
6305 emacs_event->code = EV_BUTTON (theEvent);
6306 emacs_event->modifiers = EV_MODIFIERS (theEvent)
6307 | EV_UDMODIFIERS (theEvent);
6308 }
6309 XSETINT (emacs_event->x, lrint (p.x));
6310 XSETINT (emacs_event->y, lrint (p.y));
6311 EV_TRAILER (theEvent);
6312 }
6315 - (void)rightMouseDown: (NSEvent *)theEvent
6316 {
6317 NSTRACE ("[EmacsView rightMouseDown:]");
6318 [self mouseDown: theEvent];
6319 }
6322 - (void)otherMouseDown: (NSEvent *)theEvent
6323 {
6324 NSTRACE ("[EmacsView otherMouseDown:]");
6325 [self mouseDown: theEvent];
6326 }
6329 - (void)mouseUp: (NSEvent *)theEvent
6330 {
6331 NSTRACE ("[EmacsView mouseUp:]");
6332 [self mouseDown: theEvent];
6333 }
6336 - (void)rightMouseUp: (NSEvent *)theEvent
6337 {
6338 NSTRACE ("[EmacsView rightMouseUp:]");
6339 [self mouseDown: theEvent];
6340 }
6343 - (void)otherMouseUp: (NSEvent *)theEvent
6344 {
6345 NSTRACE ("[EmacsView otherMouseUp:]");
6346 [self mouseDown: theEvent];
6347 }
6350 - (void) scrollWheel: (NSEvent *)theEvent
6351 {
6352 NSTRACE ("[EmacsView scrollWheel:]");
6353 [self mouseDown: theEvent];
6354 }
6357 /* Tell emacs the mouse has moved. */
6358 - (void)mouseMoved: (NSEvent *)e
6359 {
6360 Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (emacsframe);
6361 struct ns_display_info *dpyinfo = FRAME_DISPLAY_INFO (emacsframe);
6362 Lisp_Object frame;
6363 NSPoint pt;
6365 NSTRACE_WHEN (NSTRACE_GROUP_EVENTS, "[EmacsView mouseMoved:]");
6367 dpyinfo->last_mouse_movement_time = EV_TIMESTAMP (e);
6368 pt = [self convertPoint: [e locationInWindow] fromView: nil];
6369 dpyinfo->last_mouse_motion_x = pt.x;
6370 dpyinfo->last_mouse_motion_y = pt.y;
6372 /* update any mouse face */
6373 if (hlinfo->mouse_face_hidden)
6374 {
6375 hlinfo->mouse_face_hidden = 0;
6376 clear_mouse_face (hlinfo);
6377 }
6379 /* tooltip handling */
6380 previous_help_echo_string = help_echo_string;
6381 help_echo_string = Qnil;
6383 if (!NILP (Vmouse_autoselect_window))
6384 {
6385 NSTRACE_MSG ("mouse_autoselect_window");
6386 static Lisp_Object last_mouse_window;
6387 Lisp_Object window
6388 = window_from_coordinates (emacsframe, pt.x, pt.y, 0, 0);
6390 if (WINDOWP (window)
6391 && !EQ (window, last_mouse_window)
6392 && !EQ (window, selected_window)
6393 && (focus_follows_mouse
6394 || (EQ (XWINDOW (window)->frame,
6395 XWINDOW (selected_window)->frame))))
6396 {
6397 NSTRACE_MSG ("in_window");
6398 emacs_event->kind = SELECT_WINDOW_EVENT;
6399 emacs_event->frame_or_window = window;
6400 EV_TRAILER2 (e);
6401 }
6402 /* Remember the last window where we saw the mouse. */
6403 last_mouse_window = window;
6404 }
6406 if (!note_mouse_movement (emacsframe, pt.x, pt.y))
6407 help_echo_string = previous_help_echo_string;
6409 XSETFRAME (frame, emacsframe);
6410 if (!NILP (help_echo_string) || !NILP (previous_help_echo_string))
6411 {
6412 /* NOTE: help_echo_{window,pos,object} are set in xdisp.c
6413 (note_mouse_highlight), which is called through the
6414 note_mouse_movement () call above */
6415 any_help_event_p = YES;
6416 gen_help_event (help_echo_string, frame, help_echo_window,
6417 help_echo_object, help_echo_pos);
6418 }
6420 if (emacsframe->mouse_moved && send_appdefined)
6421 ns_send_appdefined (-1);
6422 }
6425 - (void)mouseDragged: (NSEvent *)e
6426 {
6427 NSTRACE ("[EmacsView mouseDragged:]");
6428 [self mouseMoved: e];
6429 }
6432 - (void)rightMouseDragged: (NSEvent *)e
6433 {
6434 NSTRACE ("[EmacsView rightMouseDragged:]");
6435 [self mouseMoved: e];
6436 }
6439 - (void)otherMouseDragged: (NSEvent *)e
6440 {
6441 NSTRACE ("[EmacsView otherMouseDragged:]");
6442 [self mouseMoved: e];
6443 }
6446 - (BOOL)windowShouldClose: (id)sender
6447 {
6448 NSEvent *e =[[self window] currentEvent];
6450 NSTRACE ("[EmacsView windowShouldClose:]");
6451 windowClosing = YES;
6452 if (!emacs_event)
6453 return NO;
6454 emacs_event->kind = DELETE_WINDOW_EVENT;
6455 emacs_event->modifiers = 0;
6456 emacs_event->code = 0;
6457 EV_TRAILER (e);
6458 /* Don't close this window, let this be done from lisp code. */
6459 return NO;
6460 }
6462 - (void) updateFrameSize: (BOOL) delay;
6463 {
6464 NSWindow *window = [self window];
6465 NSRect wr = [window frame];
6466 int extra = 0;
6467 int oldc = cols, oldr = rows;
6468 int oldw = FRAME_PIXEL_WIDTH (emacsframe);
6469 int oldh = FRAME_PIXEL_HEIGHT (emacsframe);
6470 int neww, newh;
6472 NSTRACE ("[EmacsView updateFrameSize:]");
6473 NSTRACE_SIZE ("Original size", NSMakeSize (oldw, oldh));
6474 NSTRACE_RECT ("Original frame", wr);
6475 NSTRACE_MSG ("Original columns: %d", cols);
6476 NSTRACE_MSG ("Original rows: %d", rows);
6478 if (! [self isFullscreen])
6479 {
6480 #ifdef NS_IMPL_GNUSTEP
6481 // GNUstep does not always update the tool bar height. Force it.
6482 if (toolbar && [toolbar isVisible])
6483 update_frame_tool_bar (emacsframe);
6484 #endif
6486 extra = FRAME_NS_TITLEBAR_HEIGHT (emacsframe)
6487 + FRAME_TOOLBAR_HEIGHT (emacsframe);
6488 }
6490 if (wait_for_tool_bar)
6491 {
6492 if (FRAME_TOOLBAR_HEIGHT (emacsframe) == 0)
6493 {
6494 NSTRACE_MSG ("Waiting for toolbar");
6495 return;
6496 }
6497 wait_for_tool_bar = NO;
6498 }
6500 neww = (int)wr.size.width - emacsframe->border_width;
6501 newh = (int)wr.size.height - extra;
6503 NSTRACE_SIZE ("New size", NSMakeSize (neww, newh));
6504 NSTRACE_MSG ("tool_bar_height: %d", emacsframe->tool_bar_height);
6506 cols = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (emacsframe, neww);
6507 rows = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (emacsframe, newh);
6509 if (cols < MINWIDTH)
6510 cols = MINWIDTH;
6512 if (rows < MINHEIGHT)
6513 rows = MINHEIGHT;
6515 NSTRACE_MSG ("New columns: %d", cols);
6516 NSTRACE_MSG ("New rows: %d", rows);
6518 if (oldr != rows || oldc != cols || neww != oldw || newh != oldh)
6519 {
6520 NSView *view = FRAME_NS_VIEW (emacsframe);
6522 change_frame_size (emacsframe,
6523 FRAME_PIXEL_TO_TEXT_WIDTH (emacsframe, neww),
6524 FRAME_PIXEL_TO_TEXT_HEIGHT (emacsframe, newh),
6525 0, delay, 0, 1);
6526 SET_FRAME_GARBAGED (emacsframe);
6527 cancel_mouse_face (emacsframe);
6529 wr = NSMakeRect (0, 0, neww, newh);
6531 [view setFrame: wr];
6533 // to do: consider using [NSNotificationCenter postNotificationName:].
6534 [self windowDidMove: // Update top/left.
6535 [NSNotification notificationWithName:NSWindowDidMoveNotification
6536 object:[view window]]];
6537 }
6538 else
6539 {
6540 NSTRACE_MSG ("No change");
6541 }
6542 }
6544 - (NSSize)windowWillResize: (NSWindow *)sender toSize: (NSSize)frameSize
6545 /* normalize frame to gridded text size */
6546 {
6547 int extra = 0;
6549 NSTRACE ("[EmacsView windowWillResize:toSize: " NSTRACE_FMT_SIZE "]",
6550 NSTRACE_ARG_SIZE (frameSize));
6551 NSTRACE_RECT ("[sender frame]", [sender frame]);
6552 NSTRACE_FSTYPE ("fs_state", fs_state);
6554 if (fs_state == FULLSCREEN_MAXIMIZED
6555 && (maximized_width != (int)frameSize.width
6556 || maximized_height != (int)frameSize.height))
6557 [self setFSValue: FULLSCREEN_NONE];
6558 else if (fs_state == FULLSCREEN_WIDTH
6559 && maximized_width != (int)frameSize.width)
6560 [self setFSValue: FULLSCREEN_NONE];
6561 else if (fs_state == FULLSCREEN_HEIGHT
6562 && maximized_height != (int)frameSize.height)
6563 [self setFSValue: FULLSCREEN_NONE];
6565 if (fs_state == FULLSCREEN_NONE)
6566 maximized_width = maximized_height = -1;
6568 if (! [self isFullscreen])
6569 {
6570 extra = FRAME_NS_TITLEBAR_HEIGHT (emacsframe)
6571 + FRAME_TOOLBAR_HEIGHT (emacsframe);
6572 }
6574 cols = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (emacsframe, frameSize.width);
6575 if (cols < MINWIDTH)
6576 cols = MINWIDTH;
6578 rows = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (emacsframe,
6579 frameSize.height - extra);
6580 if (rows < MINHEIGHT)
6581 rows = MINHEIGHT;
6582 #ifdef NS_IMPL_COCOA
6583 {
6584 /* this sets window title to have size in it; the wm does this under GS */
6585 NSRect r = [[self window] frame];
6586 if (r.size.height == frameSize.height && r.size.width == frameSize.width)
6587 {
6588 if (old_title != 0)
6589 {
6590 xfree (old_title);
6591 old_title = 0;
6592 }
6593 }
6594 else if (fs_state == FULLSCREEN_NONE && ! maximizing_resize)
6595 {
6596 char *size_title;
6597 NSWindow *window = [self window];
6598 if (old_title == 0)
6599 {
6600 char *t = strdup ([[[self window] title] UTF8String]);
6601 char *pos = strstr (t, " — ");
6602 if (pos)
6603 *pos = '\0';
6604 old_title = t;
6605 }
6606 size_title = xmalloc (strlen (old_title) + 40);
6607 esprintf (size_title, "%s — (%d x %d)", old_title, cols, rows);
6608 [window setTitle: [NSString stringWithUTF8String: size_title]];
6609 [window display];
6610 xfree (size_title);
6611 }
6612 }
6613 #endif /* NS_IMPL_COCOA */
6615 NSTRACE_MSG ("cols: %d rows: %d", cols, rows);
6617 /* Restrict the new size to the text gird.
6619 Don't restrict the width if the user only adjusted the height, and
6620 vice versa. (Without this, the frame would shrink, and move
6621 slightly, if the window was resized by dragging one of its
6622 borders.) */
6623 if (!frame_resize_pixelwise)
6624 {
6625 NSRect r = [[self window] frame];
6627 if (r.size.width != frameSize.width)
6628 {
6629 frameSize.width =
6630 FRAME_TEXT_COLS_TO_PIXEL_WIDTH (emacsframe, cols);
6631 }
6633 if (r.size.height != frameSize.height)
6634 {
6635 frameSize.height =
6636 FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (emacsframe, rows) + extra;
6637 }
6638 }
6640 NSTRACE_RETURN_SIZE (frameSize);
6642 return frameSize;
6643 }
6646 - (void)windowDidResize: (NSNotification *)notification
6647 {
6648 NSTRACE ("[EmacsView windowDidResize:]");
6649 if (!FRAME_LIVE_P (emacsframe))
6650 {
6651 NSTRACE_MSG ("Ignored (frame dead)");
6652 return;
6653 }
6654 if (emacsframe->output_data.ns->in_animation)
6655 {
6656 NSTRACE_MSG ("Ignored (in animation)");
6657 return;
6658 }
6660 if (! [self fsIsNative])
6661 {
6662 NSWindow *theWindow = [notification object];
6663 /* We can get notification on the non-FS window when in
6664 fullscreen mode. */
6665 if ([self window] != theWindow) return;
6666 }
6668 NSTRACE_RECT ("frame", [[notification object] frame]);
6670 #ifdef NS_IMPL_GNUSTEP
6671 NSWindow *theWindow = [notification object];
6673 /* In GNUstep, at least currently, it's possible to get a didResize
6674 without getting a willResize.. therefore we need to act as if we got
6675 the willResize now */
6676 NSSize sz = [theWindow frame].size;
6677 sz = [self windowWillResize: theWindow toSize: sz];
6678 #endif /* NS_IMPL_GNUSTEP */
6680 if (cols > 0 && rows > 0)
6681 {
6682 [self updateFrameSize: YES];
6683 }
6685 ns_send_appdefined (-1);
6686 }
6688 #ifdef NS_IMPL_COCOA
6689 - (void)viewDidEndLiveResize
6690 {
6691 NSTRACE ("[EmacsView viewDidEndLiveResize]");
6693 [super viewDidEndLiveResize];
6694 if (old_title != 0)
6695 {
6696 [[self window] setTitle: [NSString stringWithUTF8String: old_title]];
6697 xfree (old_title);
6698 old_title = 0;
6699 }
6700 maximizing_resize = NO;
6701 }
6702 #endif /* NS_IMPL_COCOA */
6705 - (void)windowDidBecomeKey: (NSNotification *)notification
6706 /* cf. x_detect_focus_change(), x_focus_changed(), x_new_focus_frame() */
6707 {
6708 [self windowDidBecomeKey];
6709 }
6712 - (void)windowDidBecomeKey /* for direct calls */
6713 {
6714 struct ns_display_info *dpyinfo = FRAME_DISPLAY_INFO (emacsframe);
6715 struct frame *old_focus = dpyinfo->x_focus_frame;
6717 NSTRACE ("[EmacsView windowDidBecomeKey]");
6719 if (emacsframe != old_focus)
6720 dpyinfo->x_focus_frame = emacsframe;
6722 ns_frame_rehighlight (emacsframe);
6724 if (emacs_event)
6725 {
6726 emacs_event->kind = FOCUS_IN_EVENT;
6727 EV_TRAILER ((id)nil);
6728 }
6729 }
6732 - (void)windowDidResignKey: (NSNotification *)notification
6733 /* cf. x_detect_focus_change(), x_focus_changed(), x_new_focus_frame() */
6734 {
6735 struct ns_display_info *dpyinfo = FRAME_DISPLAY_INFO (emacsframe);
6736 BOOL is_focus_frame = dpyinfo->x_focus_frame == emacsframe;
6737 NSTRACE ("[EmacsView windowDidResignKey:]");
6739 if (is_focus_frame)
6740 dpyinfo->x_focus_frame = 0;
6742 emacsframe->mouse_moved = 0;
6743 ns_frame_rehighlight (emacsframe);
6745 /* FIXME: for some reason needed on second and subsequent clicks away
6746 from sole-frame Emacs to get hollow box to show */
6747 if (!windowClosing && [[self window] isVisible] == YES)
6748 {
6749 x_update_cursor (emacsframe, 1);
6750 x_set_frame_alpha (emacsframe);
6751 }
6753 if (any_help_event_p)
6754 {
6755 Lisp_Object frame;
6756 XSETFRAME (frame, emacsframe);
6757 help_echo_string = Qnil;
6758 gen_help_event (Qnil, frame, Qnil, Qnil, 0);
6759 }
6761 if (emacs_event && is_focus_frame)
6762 {
6763 [self deleteWorkingText];
6764 emacs_event->kind = FOCUS_OUT_EVENT;
6765 EV_TRAILER ((id)nil);
6766 }
6767 }
6770 - (void)windowWillMiniaturize: sender
6771 {
6772 NSTRACE ("[EmacsView windowWillMiniaturize:]");
6773 }
6776 - (void)setFrame:(NSRect)frameRect;
6777 {
6778 NSTRACE ("[EmacsView setFrame:" NSTRACE_FMT_RECT "]",
6779 NSTRACE_ARG_RECT (frameRect));
6781 [super setFrame:(NSRect)frameRect];
6782 }
6785 - (BOOL)isFlipped
6786 {
6787 return YES;
6788 }
6791 - (BOOL)isOpaque
6792 {
6793 return NO;
6794 }
6797 - initFrameFromEmacs: (struct frame *)f
6798 {
6799 NSRect r, wr;
6800 Lisp_Object tem;
6801 NSWindow *win;
6802 NSColor *col;
6803 NSString *name;
6805 NSTRACE ("[EmacsView initFrameFromEmacs:]");
6806 NSTRACE_MSG ("cols:%d lines:%d", f->text_cols, f->text_lines);
6808 windowClosing = NO;
6809 processingCompose = NO;
6810 scrollbarsNeedingUpdate = 0;
6811 fs_state = FULLSCREEN_NONE;
6812 fs_before_fs = next_maximized = -1;
6813 #ifdef HAVE_NATIVE_FS
6814 fs_is_native = ns_use_native_fullscreen;
6815 #else
6816 fs_is_native = NO;
6817 #endif
6818 maximized_width = maximized_height = -1;
6819 nonfs_window = nil;
6821 ns_userRect = NSMakeRect (0, 0, 0, 0);
6822 r = NSMakeRect (0, 0, FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, f->text_cols),
6823 FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, f->text_lines));
6824 [self initWithFrame: r];
6825 [self setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable];
6827 FRAME_NS_VIEW (f) = self;
6828 emacsframe = f;
6829 #ifdef NS_IMPL_COCOA
6830 old_title = 0;
6831 maximizing_resize = NO;
6832 #endif
6834 win = [[EmacsWindow alloc]
6835 initWithContentRect: r
6836 styleMask: (NSResizableWindowMask |
6837 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
6838 NSTitledWindowMask |
6839 #endif
6840 NSMiniaturizableWindowMask |
6841 NSClosableWindowMask)
6842 backing: NSBackingStoreBuffered
6843 defer: YES];
6845 #ifdef HAVE_NATIVE_FS
6846 [win setCollectionBehavior:NSWindowCollectionBehaviorFullScreenPrimary];
6847 #endif
6849 wr = [win frame];
6850 bwidth = f->border_width = wr.size.width - r.size.width;
6851 tibar_height = FRAME_NS_TITLEBAR_HEIGHT (f) = wr.size.height - r.size.height;
6853 [win setAcceptsMouseMovedEvents: YES];
6854 [win setDelegate: self];
6855 #if !defined (NS_IMPL_COCOA) || \
6856 MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_9
6857 [win useOptimizedDrawing: YES];
6858 #endif
6860 [[win contentView] addSubview: self];
6862 if (ns_drag_types)
6863 [self registerForDraggedTypes: ns_drag_types];
6865 tem = f->name;
6866 name = [NSString stringWithUTF8String:
6867 NILP (tem) ? "Emacs" : SSDATA (tem)];
6868 [win setTitle: name];
6870 /* toolbar support */
6871 toolbar = [[EmacsToolbar alloc] initForView: self withIdentifier:
6872 [NSString stringWithFormat: @"Emacs Frame %d",
6873 ns_window_num]];
6874 [win setToolbar: toolbar];
6875 [toolbar setVisible: NO];
6877 /* Don't set frame garbaged until tool bar is up to date?
6878 This avoids an extra clear and redraw (flicker) at frame creation. */
6879 if (FRAME_EXTERNAL_TOOL_BAR (f)) wait_for_tool_bar = YES;
6880 else wait_for_tool_bar = NO;
6883 #ifdef NS_IMPL_COCOA
6884 {
6885 NSButton *toggleButton;
6886 toggleButton = [win standardWindowButton: NSWindowToolbarButton];
6887 [toggleButton setTarget: self];
6888 [toggleButton setAction: @selector (toggleToolbar: )];
6889 }
6890 #endif
6891 FRAME_TOOLBAR_HEIGHT (f) = 0;
6893 tem = f->icon_name;
6894 if (!NILP (tem))
6895 [win setMiniwindowTitle:
6896 [NSString stringWithUTF8String: SSDATA (tem)]];
6898 {
6899 NSScreen *screen = [win screen];
6901 if (screen != 0)
6902 {
6903 NSPoint pt = NSMakePoint
6904 (IN_BOUND (-SCREENMAX, f->left_pos, SCREENMAX),
6905 IN_BOUND (-SCREENMAX,
6906 [screen frame].size.height - NS_TOP_POS (f), SCREENMAX));
6908 [win setFrameTopLeftPoint: pt];
6910 NSTRACE_RECT ("new frame", [win frame]);
6911 }
6912 }
6914 [win makeFirstResponder: self];
6916 col = ns_lookup_indexed_color (NS_FACE_BACKGROUND
6917 (FRAME_DEFAULT_FACE (emacsframe)), emacsframe);
6918 [win setBackgroundColor: col];
6919 if ([col alphaComponent] != (EmacsCGFloat) 1.0)
6920 [win setOpaque: NO];
6922 #if !defined (NS_IMPL_COCOA) || \
6923 MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_9
6924 [self allocateGState];
6925 #endif
6926 [NSApp registerServicesMenuSendTypes: ns_send_types
6927 returnTypes: nil];
6929 ns_window_num++;
6930 return self;
6931 }
6934 - (void)windowDidMove: sender
6935 {
6936 NSWindow *win = [self window];
6937 NSRect r = [win frame];
6938 NSArray *screens = [NSScreen screens];
6939 NSScreen *screen = [screens objectAtIndex: 0];
6941 NSTRACE ("[EmacsView windowDidMove:]");
6943 if (!emacsframe->output_data.ns)
6944 return;
6945 if (screen != nil)
6946 {
6947 emacsframe->left_pos = r.origin.x;
6948 emacsframe->top_pos =
6949 [screen frame].size.height - (r.origin.y + r.size.height);
6950 }
6951 }
6954 /* Called AFTER method below, but before our windowWillResize call there leads
6955 to windowDidResize -> x_set_window_size. Update emacs' notion of frame
6956 location so set_window_size moves the frame. */
6957 - (BOOL)windowShouldZoom: (NSWindow *)sender toFrame: (NSRect)newFrame
6958 {
6959 NSTRACE (("[EmacsView windowShouldZoom:toFrame:" NSTRACE_FMT_RECT "]"
6960 NSTRACE_FMT_RETURN "YES"),
6961 NSTRACE_ARG_RECT (newFrame));
6963 emacsframe->output_data.ns->zooming = 1;
6964 return YES;
6965 }
6968 /* Override to do something slightly nonstandard, but nice. First click on
6969 zoom button will zoom vertically. Second will zoom completely. Third
6970 returns to original. */
6971 - (NSRect)windowWillUseStandardFrame:(NSWindow *)sender
6972 defaultFrame:(NSRect)defaultFrame
6973 {
6974 // TODO: Rename to "currentFrame" and assign "result" properly in
6975 // all paths.
6976 NSRect result = [sender frame];
6978 NSTRACE (("[EmacsView windowWillUseStandardFrame:defaultFrame:"
6979 NSTRACE_FMT_RECT "]"),
6980 NSTRACE_ARG_RECT (defaultFrame));
6981 NSTRACE_FSTYPE ("fs_state", fs_state);
6982 NSTRACE_FSTYPE ("fs_before_fs", fs_before_fs);
6983 NSTRACE_FSTYPE ("next_maximized", next_maximized);
6984 NSTRACE_RECT ("ns_userRect", ns_userRect);
6985 NSTRACE_RECT ("[sender frame]", [sender frame]);
6987 if (fs_before_fs != -1) /* Entering fullscreen */
6988 {
6989 NSTRACE_MSG ("Entering fullscreen");
6990 result = defaultFrame;
6991 }
6992 else
6993 {
6994 // Save the window size and position (frame) before the resize.
6995 if (fs_state != FULLSCREEN_MAXIMIZED
6996 && fs_state != FULLSCREEN_WIDTH)
6997 {
6998 ns_userRect.size.width = result.size.width;
6999 ns_userRect.origin.x = result.origin.x;
7000 }
7002 if (fs_state != FULLSCREEN_MAXIMIZED
7003 && fs_state != FULLSCREEN_HEIGHT)
7004 {
7005 ns_userRect.size.height = result.size.height;
7006 ns_userRect.origin.y = result.origin.y;
7007 }
7009 NSTRACE_RECT ("ns_userRect (2)", ns_userRect);
7011 if (next_maximized == FULLSCREEN_HEIGHT
7012 || (next_maximized == -1
7013 && abs ((int)(defaultFrame.size.height - result.size.height))
7014 > FRAME_LINE_HEIGHT (emacsframe)))
7015 {
7016 /* first click */
7017 NSTRACE_MSG ("FULLSCREEN_HEIGHT");
7018 maximized_height = result.size.height = defaultFrame.size.height;
7019 maximized_width = -1;
7020 result.origin.y = defaultFrame.origin.y;
7021 if (ns_userRect.size.height != 0)
7022 {
7023 result.origin.x = ns_userRect.origin.x;
7024 result.size.width = ns_userRect.size.width;
7025 }
7026 [self setFSValue: FULLSCREEN_HEIGHT];
7027 #ifdef NS_IMPL_COCOA
7028 maximizing_resize = YES;
7029 #endif
7030 }
7031 else if (next_maximized == FULLSCREEN_WIDTH)
7032 {
7033 NSTRACE_MSG ("FULLSCREEN_WIDTH");
7034 maximized_width = result.size.width = defaultFrame.size.width;
7035 maximized_height = -1;
7036 result.origin.x = defaultFrame.origin.x;
7037 if (ns_userRect.size.width != 0)
7038 {
7039 result.origin.y = ns_userRect.origin.y;
7040 result.size.height = ns_userRect.size.height;
7041 }
7042 [self setFSValue: FULLSCREEN_WIDTH];
7043 }
7044 else if (next_maximized == FULLSCREEN_MAXIMIZED
7045 || (next_maximized == -1
7046 && abs ((int)(defaultFrame.size.width - result.size.width))
7047 > FRAME_COLUMN_WIDTH (emacsframe)))
7048 {
7049 NSTRACE_MSG ("FULLSCREEN_MAXIMIZED");
7051 result = defaultFrame; /* second click */
7052 maximized_width = result.size.width;
7053 maximized_height = result.size.height;
7054 [self setFSValue: FULLSCREEN_MAXIMIZED];
7055 #ifdef NS_IMPL_COCOA
7056 maximizing_resize = YES;
7057 #endif
7058 }
7059 else
7060 {
7061 /* restore */
7062 NSTRACE_MSG ("Restore");
7063 result = ns_userRect.size.height ? ns_userRect : result;
7064 NSTRACE_RECT ("restore (2)", result);
7065 ns_userRect = NSMakeRect (0, 0, 0, 0);
7066 #ifdef NS_IMPL_COCOA
7067 maximizing_resize = fs_state != FULLSCREEN_NONE;
7068 #endif
7069 [self setFSValue: FULLSCREEN_NONE];
7070 maximized_width = maximized_height = -1;
7071 }
7072 }
7074 if (fs_before_fs == -1) next_maximized = -1;
7076 NSTRACE_RECT ("Final ns_userRect", ns_userRect);
7077 NSTRACE_MSG ("Final maximized_width: %d", maximized_width);
7078 NSTRACE_MSG ("Final maximized_height: %d", maximized_height);
7079 NSTRACE_FSTYPE ("Final next_maximized", next_maximized);
7081 [self windowWillResize: sender toSize: result.size];
7083 NSTRACE_RETURN_RECT (result);
7085 return result;
7086 }
7089 - (void)windowDidDeminiaturize: sender
7090 {
7091 NSTRACE ("[EmacsView windowDidDeminiaturize:]");
7092 if (!emacsframe->output_data.ns)
7093 return;
7095 SET_FRAME_ICONIFIED (emacsframe, 0);
7096 SET_FRAME_VISIBLE (emacsframe, 1);
7097 windows_or_buffers_changed = 63;
7099 if (emacs_event)
7100 {
7101 emacs_event->kind = DEICONIFY_EVENT;
7102 EV_TRAILER ((id)nil);
7103 }
7104 }
7107 - (void)windowDidExpose: sender
7108 {
7109 NSTRACE ("[EmacsView windowDidExpose:]");
7110 if (!emacsframe->output_data.ns)
7111 return;
7113 SET_FRAME_VISIBLE (emacsframe, 1);
7114 SET_FRAME_GARBAGED (emacsframe);
7116 if (send_appdefined)
7117 ns_send_appdefined (-1);
7118 }
7121 - (void)windowDidMiniaturize: sender
7122 {
7123 NSTRACE ("[EmacsView windowDidMiniaturize:]");
7124 if (!emacsframe->output_data.ns)
7125 return;
7127 SET_FRAME_ICONIFIED (emacsframe, 1);
7128 SET_FRAME_VISIBLE (emacsframe, 0);
7130 if (emacs_event)
7131 {
7132 emacs_event->kind = ICONIFY_EVENT;
7133 EV_TRAILER ((id)nil);
7134 }
7135 }
7137 #ifdef HAVE_NATIVE_FS
7138 - (NSApplicationPresentationOptions)window:(NSWindow *)window
7139 willUseFullScreenPresentationOptions:
7140 (NSApplicationPresentationOptions)proposedOptions
7141 {
7142 return proposedOptions|NSApplicationPresentationAutoHideToolbar;
7143 }
7144 #endif
7146 - (void)windowWillEnterFullScreen:(NSNotification *)notification
7147 {
7148 NSTRACE ("[EmacsView windowWillEnterFullScreen:]");
7149 [self windowWillEnterFullScreen];
7150 }
7151 - (void)windowWillEnterFullScreen /* provided for direct calls */
7152 {
7153 NSTRACE ("[EmacsView windowWillEnterFullScreen]");
7154 fs_before_fs = fs_state;
7155 }
7157 - (void)windowDidEnterFullScreen:(NSNotification *)notification
7158 {
7159 NSTRACE ("[EmacsView windowDidEnterFullScreen:]");
7160 [self windowDidEnterFullScreen];
7161 }
7163 - (void)windowDidEnterFullScreen /* provided for direct calls */
7164 {
7165 NSTRACE ("[EmacsView windowDidEnterFullScreen]");
7166 [self setFSValue: FULLSCREEN_BOTH];
7167 if (! [self fsIsNative])
7168 {
7169 [self windowDidBecomeKey];
7170 [nonfs_window orderOut:self];
7171 }
7172 else
7173 {
7174 BOOL tbar_visible = FRAME_EXTERNAL_TOOL_BAR (emacsframe) ? YES : NO;
7175 #ifdef NS_IMPL_COCOA
7176 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
7177 unsigned val = (unsigned)[NSApp presentationOptions];
7179 // Mac OS X 10.7 bug fix, the menu won't appear without this.
7180 // val is non-zero on other macOS versions.
7181 if (val == 0)
7182 {
7183 NSApplicationPresentationOptions options
7184 = NSApplicationPresentationAutoHideDock
7185 | NSApplicationPresentationAutoHideMenuBar
7186 | NSApplicationPresentationFullScreen
7187 | NSApplicationPresentationAutoHideToolbar;
7189 [NSApp setPresentationOptions: options];
7190 }
7191 #endif
7192 #endif
7193 [toolbar setVisible:tbar_visible];
7194 }
7195 }
7197 - (void)windowWillExitFullScreen:(NSNotification *)notification
7198 {
7199 NSTRACE ("[EmacsView windowWillExitFullScreen:]");
7200 [self windowWillExitFullScreen];
7201 }
7203 - (void)windowWillExitFullScreen /* provided for direct calls */
7204 {
7205 NSTRACE ("[EmacsView windowWillExitFullScreen]");
7206 if (!FRAME_LIVE_P (emacsframe))
7207 {
7208 NSTRACE_MSG ("Ignored (frame dead)");
7209 return;
7210 }
7211 if (next_maximized != -1)
7212 fs_before_fs = next_maximized;
7213 }
7215 - (void)windowDidExitFullScreen:(NSNotification *)notification
7216 {
7217 NSTRACE ("[EmacsView windowDidExitFullScreen:]");
7218 [self windowDidExitFullScreen];
7219 }
7221 - (void)windowDidExitFullScreen /* provided for direct calls */
7222 {
7223 NSTRACE ("[EmacsView windowDidExitFullScreen]");
7224 if (!FRAME_LIVE_P (emacsframe))
7225 {
7226 NSTRACE_MSG ("Ignored (frame dead)");
7227 return;
7228 }
7229 [self setFSValue: fs_before_fs];
7230 fs_before_fs = -1;
7231 #ifdef HAVE_NATIVE_FS
7232 [self updateCollectionBehavior];
7233 #endif
7234 if (FRAME_EXTERNAL_TOOL_BAR (emacsframe))
7235 {
7236 [toolbar setVisible:YES];
7237 update_frame_tool_bar (emacsframe);
7238 [self updateFrameSize:YES];
7239 [[self window] display];
7240 }
7241 else
7242 [toolbar setVisible:NO];
7244 if (next_maximized != -1)
7245 [[self window] performZoom:self];
7246 }
7248 - (BOOL)fsIsNative
7249 {
7250 return fs_is_native;
7251 }
7253 - (BOOL)isFullscreen
7254 {
7255 BOOL res;
7257 if (! fs_is_native)
7258 {
7259 res = (nonfs_window != nil);
7260 }
7261 else
7262 {
7263 #ifdef HAVE_NATIVE_FS
7264 res = (([[self window] styleMask] & NSFullScreenWindowMask) != 0);
7265 #else
7266 res = NO;
7267 #endif
7268 }
7270 NSTRACE ("[EmacsView isFullscreen] " NSTRACE_FMT_RETURN " %d",
7271 (int) res);
7273 return res;
7274 }
7276 #ifdef HAVE_NATIVE_FS
7277 - (void)updateCollectionBehavior
7278 {
7279 NSTRACE ("[EmacsView updateCollectionBehavior]");
7281 if (! [self isFullscreen])
7282 {
7283 NSWindow *win = [self window];
7284 NSWindowCollectionBehavior b = [win collectionBehavior];
7285 if (ns_use_native_fullscreen)
7286 b |= NSWindowCollectionBehaviorFullScreenPrimary;
7287 else
7288 b &= ~NSWindowCollectionBehaviorFullScreenPrimary;
7290 [win setCollectionBehavior: b];
7291 fs_is_native = ns_use_native_fullscreen;
7292 }
7293 }
7294 #endif
7296 - (void)toggleFullScreen: (id)sender
7297 {
7298 NSWindow *w, *fw;
7299 BOOL onFirstScreen;
7300 struct frame *f;
7301 NSRect r, wr;
7302 NSColor *col;
7304 NSTRACE ("[EmacsView toggleFullScreen:]");
7306 if (fs_is_native)
7307 {
7308 #ifdef HAVE_NATIVE_FS
7309 [[self window] toggleFullScreen:sender];
7310 #endif
7311 return;
7312 }
7314 w = [self window];
7315 onFirstScreen = [[w screen] isEqual:[[NSScreen screens] objectAtIndex:0]];
7316 f = emacsframe;
7317 wr = [w frame];
7318 col = ns_lookup_indexed_color (NS_FACE_BACKGROUND
7319 (FRAME_DEFAULT_FACE (f)),
7320 f);
7322 if (fs_state != FULLSCREEN_BOTH)
7323 {
7324 NSScreen *screen = [w screen];
7326 #if defined (NS_IMPL_COCOA) && \
7327 MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_9
7328 /* Hide ghost menu bar on secondary monitor? */
7329 if (! onFirstScreen)
7330 onFirstScreen = [NSScreen screensHaveSeparateSpaces];
7331 #endif
7332 /* Hide dock and menubar if we are on the primary screen. */
7333 if (onFirstScreen)
7334 {
7335 #ifdef NS_IMPL_COCOA
7336 NSApplicationPresentationOptions options
7337 = NSApplicationPresentationAutoHideDock
7338 | NSApplicationPresentationAutoHideMenuBar;
7340 [NSApp setPresentationOptions: options];
7341 #else
7342 [NSMenu setMenuBarVisible:NO];
7343 #endif
7344 }
7346 fw = [[EmacsFSWindow alloc]
7347 initWithContentRect:[w contentRectForFrameRect:wr]
7348 styleMask:NSBorderlessWindowMask
7349 backing:NSBackingStoreBuffered
7350 defer:YES
7351 screen:screen];
7353 [fw setContentView:[w contentView]];
7354 [fw setTitle:[w title]];
7355 [fw setDelegate:self];
7356 [fw setAcceptsMouseMovedEvents: YES];
7357 #if !defined (NS_IMPL_COCOA) || \
7358 MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_9
7359 [fw useOptimizedDrawing: YES];
7360 #endif
7361 [fw setBackgroundColor: col];
7362 if ([col alphaComponent] != (EmacsCGFloat) 1.0)
7363 [fw setOpaque: NO];
7365 f->border_width = 0;
7366 FRAME_NS_TITLEBAR_HEIGHT (f) = 0;
7367 tobar_height = FRAME_TOOLBAR_HEIGHT (f);
7368 FRAME_TOOLBAR_HEIGHT (f) = 0;
7370 nonfs_window = w;
7372 [self windowWillEnterFullScreen];
7373 [fw makeKeyAndOrderFront:NSApp];
7374 [fw makeFirstResponder:self];
7375 [w orderOut:self];
7376 r = [fw frameRectForContentRect:[screen frame]];
7377 [fw setFrame: r display:YES animate:ns_use_fullscreen_animation];
7378 [self windowDidEnterFullScreen];
7379 [fw display];
7380 }
7381 else
7382 {
7383 fw = w;
7384 w = nonfs_window;
7385 nonfs_window = nil;
7387 if (onFirstScreen)
7388 {
7389 #ifdef NS_IMPL_COCOA
7390 [NSApp setPresentationOptions: NSApplicationPresentationDefault];
7391 #else
7392 [NSMenu setMenuBarVisible:YES];
7393 #endif
7394 }
7396 [w setContentView:[fw contentView]];
7397 [w setBackgroundColor: col];
7398 if ([col alphaComponent] != (EmacsCGFloat) 1.0)
7399 [w setOpaque: NO];
7401 f->border_width = bwidth;
7402 FRAME_NS_TITLEBAR_HEIGHT (f) = tibar_height;
7403 if (FRAME_EXTERNAL_TOOL_BAR (f))
7404 FRAME_TOOLBAR_HEIGHT (f) = tobar_height;
7406 // to do: consider using [NSNotificationCenter postNotificationName:] to send notifications.
7408 [self windowWillExitFullScreen];
7409 [fw setFrame: [w frame] display:YES animate:ns_use_fullscreen_animation];
7410 [fw close];
7411 [w makeKeyAndOrderFront:NSApp];
7412 [self windowDidExitFullScreen];
7413 [self updateFrameSize:YES];
7414 }
7415 }
7417 - (void)handleFS
7418 {
7419 NSTRACE ("[EmacsView handleFS]");
7421 if (fs_state != emacsframe->want_fullscreen)
7422 {
7423 if (fs_state == FULLSCREEN_BOTH)
7424 {
7425 NSTRACE_MSG ("fs_state == FULLSCREEN_BOTH");
7426 [self toggleFullScreen:self];
7427 }
7429 switch (emacsframe->want_fullscreen)
7430 {
7431 case FULLSCREEN_BOTH:
7432 NSTRACE_MSG ("FULLSCREEN_BOTH");
7433 [self toggleFullScreen:self];
7434 break;
7435 case FULLSCREEN_WIDTH:
7436 NSTRACE_MSG ("FULLSCREEN_WIDTH");
7437 next_maximized = FULLSCREEN_WIDTH;
7438 if (fs_state != FULLSCREEN_BOTH)
7439 [[self window] performZoom:self];
7440 break;
7441 case FULLSCREEN_HEIGHT:
7442 NSTRACE_MSG ("FULLSCREEN_HEIGHT");
7443 next_maximized = FULLSCREEN_HEIGHT;
7444 if (fs_state != FULLSCREEN_BOTH)
7445 [[self window] performZoom:self];
7446 break;
7447 case FULLSCREEN_MAXIMIZED:
7448 NSTRACE_MSG ("FULLSCREEN_MAXIMIZED");
7449 next_maximized = FULLSCREEN_MAXIMIZED;
7450 if (fs_state != FULLSCREEN_BOTH)
7451 [[self window] performZoom:self];
7452 break;
7453 case FULLSCREEN_NONE:
7454 NSTRACE_MSG ("FULLSCREEN_NONE");
7455 if (fs_state != FULLSCREEN_BOTH)
7456 {
7457 next_maximized = FULLSCREEN_NONE;
7458 [[self window] performZoom:self];
7459 }
7460 break;
7461 }
7463 emacsframe->want_fullscreen = FULLSCREEN_NONE;
7464 }
7466 }
7468 - (void) setFSValue: (int)value
7469 {
7470 NSTRACE ("[EmacsView setFSValue:" NSTRACE_FMT_FSTYPE "]",
7471 NSTRACE_ARG_FSTYPE(value));
7473 Lisp_Object lval = Qnil;
7474 switch (value)
7475 {
7476 case FULLSCREEN_BOTH:
7477 lval = Qfullboth;
7478 break;
7479 case FULLSCREEN_WIDTH:
7480 lval = Qfullwidth;
7481 break;
7482 case FULLSCREEN_HEIGHT:
7483 lval = Qfullheight;
7484 break;
7485 case FULLSCREEN_MAXIMIZED:
7486 lval = Qmaximized;
7487 break;
7488 }
7489 store_frame_param (emacsframe, Qfullscreen, lval);
7490 fs_state = value;
7491 }
7493 - (void)mouseEntered: (NSEvent *)theEvent
7494 {
7495 NSTRACE ("[EmacsView mouseEntered:]");
7496 if (emacsframe)
7497 FRAME_DISPLAY_INFO (emacsframe)->last_mouse_movement_time
7498 = EV_TIMESTAMP (theEvent);
7499 }
7502 - (void)mouseExited: (NSEvent *)theEvent
7503 {
7504 Mouse_HLInfo *hlinfo = emacsframe ? MOUSE_HL_INFO (emacsframe) : NULL;
7506 NSTRACE ("[EmacsView mouseExited:]");
7508 if (!hlinfo)
7509 return;
7511 FRAME_DISPLAY_INFO (emacsframe)->last_mouse_movement_time
7512 = EV_TIMESTAMP (theEvent);
7514 if (emacsframe == hlinfo->mouse_face_mouse_frame)
7515 {
7516 clear_mouse_face (hlinfo);
7517 hlinfo->mouse_face_mouse_frame = 0;
7518 }
7519 }
7522 - menuDown: sender
7523 {
7524 NSTRACE ("[EmacsView menuDown:]");
7525 if (context_menu_value == -1)
7526 context_menu_value = [sender tag];
7527 else
7528 {
7529 NSInteger tag = [sender tag];
7530 find_and_call_menu_selection (emacsframe, emacsframe->menu_bar_items_used,
7531 emacsframe->menu_bar_vector,
7532 (void *)tag);
7533 }
7535 ns_send_appdefined (-1);
7536 return self;
7537 }
7540 - (EmacsToolbar *)toolbar
7541 {
7542 return toolbar;
7543 }
7546 /* this gets called on toolbar button click */
7547 - toolbarClicked: (id)item
7548 {
7549 NSEvent *theEvent;
7550 int idx = [item tag] * TOOL_BAR_ITEM_NSLOTS;
7552 NSTRACE ("[EmacsView toolbarClicked:]");
7554 if (!emacs_event)
7555 return self;
7557 /* send first event (for some reason two needed) */
7558 theEvent = [[self window] currentEvent];
7559 emacs_event->kind = TOOL_BAR_EVENT;
7560 XSETFRAME (emacs_event->arg, emacsframe);
7561 EV_TRAILER (theEvent);
7563 emacs_event->kind = TOOL_BAR_EVENT;
7564 /* XSETINT (emacs_event->code, 0); */
7565 emacs_event->arg = AREF (emacsframe->tool_bar_items,
7566 idx + TOOL_BAR_ITEM_KEY);
7567 emacs_event->modifiers = EV_MODIFIERS (theEvent);
7568 EV_TRAILER (theEvent);
7569 return self;
7570 }
7573 - toggleToolbar: (id)sender
7574 {
7575 NSTRACE ("[EmacsView toggleToolbar:]");
7577 if (!emacs_event)
7578 return self;
7580 emacs_event->kind = NS_NONKEY_EVENT;
7581 emacs_event->code = KEY_NS_TOGGLE_TOOLBAR;
7582 EV_TRAILER ((id)nil);
7583 return self;
7584 }
7587 - (void)drawRect: (NSRect)rect
7588 {
7589 int x = NSMinX (rect), y = NSMinY (rect);
7590 int width = NSWidth (rect), height = NSHeight (rect);
7592 NSTRACE ("[EmacsView drawRect:" NSTRACE_FMT_RECT "]",
7593 NSTRACE_ARG_RECT(rect));
7595 if (!emacsframe || !emacsframe->output_data.ns)
7596 return;
7598 ns_clear_frame_area (emacsframe, x, y, width, height);
7599 block_input ();
7600 expose_frame (emacsframe, x, y, width, height);
7601 unblock_input ();
7603 /*
7604 drawRect: may be called (at least in Mac OS X 10.5) for invisible
7605 views as well for some reason. Thus, do not infer visibility
7606 here.
7608 emacsframe->async_visible = 1;
7609 emacsframe->async_iconified = 0;
7610 */
7611 }
7614 /* NSDraggingDestination protocol methods. Actually this is not really a
7615 protocol, but a category of Object. O well... */
7617 -(NSDragOperation) draggingEntered: (id <NSDraggingInfo>) sender
7618 {
7619 NSTRACE ("[EmacsView draggingEntered:]");
7620 return NSDragOperationGeneric;
7621 }
7624 -(BOOL)prepareForDragOperation: (id <NSDraggingInfo>) sender
7625 {
7626 return YES;
7627 }
7630 -(BOOL)performDragOperation: (id <NSDraggingInfo>) sender
7631 {
7632 id pb;
7633 int x, y;
7634 NSString *type;
7635 NSEvent *theEvent = [[self window] currentEvent];
7636 NSPoint position;
7637 NSDragOperation op = [sender draggingSourceOperationMask];
7638 int modifiers = 0;
7640 NSTRACE ("[EmacsView performDragOperation:]");
7642 if (!emacs_event)
7643 return NO;
7645 position = [self convertPoint: [sender draggingLocation] fromView: nil];
7646 x = lrint (position.x); y = lrint (position.y);
7648 pb = [sender draggingPasteboard];
7649 type = [pb availableTypeFromArray: ns_drag_types];
7651 if (! (op & (NSDragOperationMove|NSDragOperationDelete)) &&
7652 // URL drags contain all operations (0xf), don't allow all to be set.
7653 (op & 0xf) != 0xf)
7654 {
7655 if (op & NSDragOperationLink)
7656 modifiers |= NSControlKeyMask;
7657 if (op & NSDragOperationCopy)
7658 modifiers |= NSAlternateKeyMask;
7659 if (op & NSDragOperationGeneric)
7660 modifiers |= NSCommandKeyMask;
7661 }
7663 modifiers = EV_MODIFIERS2 (modifiers);
7664 if (type == 0)
7665 {
7666 return NO;
7667 }
7668 else if ([type isEqualToString: NSFilenamesPboardType])
7669 {
7670 NSArray *files;
7671 NSEnumerator *fenum;
7672 NSString *file;
7674 if (!(files = [pb propertyListForType: type]))
7675 return NO;
7677 fenum = [files objectEnumerator];
7678 while ( (file = [fenum nextObject]) )
7679 {
7680 emacs_event->kind = DRAG_N_DROP_EVENT;
7681 XSETINT (emacs_event->x, x);
7682 XSETINT (emacs_event->y, y);
7683 ns_input_file = append2 (ns_input_file,
7684 build_string ([file UTF8String]));
7685 emacs_event->modifiers = modifiers;
7686 emacs_event->arg = list2 (Qfile, build_string ([file UTF8String]));
7687 EV_TRAILER (theEvent);
7688 }
7689 return YES;
7690 }
7691 else if ([type isEqualToString: NSURLPboardType])
7692 {
7693 NSURL *url = [NSURL URLFromPasteboard: pb];
7694 if (url == nil) return NO;
7696 emacs_event->kind = DRAG_N_DROP_EVENT;
7697 XSETINT (emacs_event->x, x);
7698 XSETINT (emacs_event->y, y);
7699 emacs_event->modifiers = modifiers;
7700 emacs_event->arg = list2 (Qurl,
7701 build_string ([[url absoluteString]
7702 UTF8String]));
7703 EV_TRAILER (theEvent);
7705 if ([url isFileURL] != NO)
7706 {
7707 NSString *file = [url path];
7708 ns_input_file = append2 (ns_input_file,
7709 build_string ([file UTF8String]));
7710 }
7711 return YES;
7712 }
7713 else if ([type isEqualToString: NSStringPboardType]
7714 || [type isEqualToString: NSTabularTextPboardType])
7715 {
7716 NSString *data;
7718 if (! (data = [pb stringForType: type]))
7719 return NO;
7721 emacs_event->kind = DRAG_N_DROP_EVENT;
7722 XSETINT (emacs_event->x, x);
7723 XSETINT (emacs_event->y, y);
7724 emacs_event->modifiers = modifiers;
7725 emacs_event->arg = list2 (Qnil, build_string ([data UTF8String]));
7726 EV_TRAILER (theEvent);
7727 return YES;
7728 }
7729 else
7730 {
7731 fprintf (stderr, "Invalid data type in dragging pasteboard");
7732 return NO;
7733 }
7734 }
7737 - (id) validRequestorForSendType: (NSString *)typeSent
7738 returnType: (NSString *)typeReturned
7739 {
7740 NSTRACE ("[EmacsView validRequestorForSendType:returnType:]");
7741 if (typeSent != nil && [ns_send_types indexOfObject: typeSent] != NSNotFound
7742 && typeReturned == nil)
7743 {
7744 if (! NILP (ns_get_local_selection (QPRIMARY, QUTF8_STRING)))
7745 return self;
7746 }
7748 return [super validRequestorForSendType: typeSent
7749 returnType: typeReturned];
7750 }
7753 /* The next two methods are part of NSServicesRequests informal protocol,
7754 supposedly called when a services menu item is chosen from this app.
7755 But this should not happen because we override the services menu with our
7756 own entries which call ns-perform-service.
7757 Nonetheless, it appeared to happen (under strange circumstances): bug#1435.
7758 So let's at least stub them out until further investigation can be done. */
7760 - (BOOL) readSelectionFromPasteboard: (NSPasteboard *)pb
7761 {
7762 /* we could call ns_string_from_pasteboard(pboard) here but then it should
7763 be written into the buffer in place of the existing selection..
7764 ordinary service calls go through functions defined in ns-win.el */
7765 return NO;
7766 }
7768 - (BOOL) writeSelectionToPasteboard: (NSPasteboard *)pb types: (NSArray *)types
7769 {
7770 NSArray *typesDeclared;
7771 Lisp_Object val;
7773 NSTRACE ("[EmacsView writeSelectionToPasteboard:types:]");
7775 /* We only support NSStringPboardType */
7776 if ([types containsObject:NSStringPboardType] == NO) {
7777 return NO;
7778 }
7780 val = ns_get_local_selection (QPRIMARY, QUTF8_STRING);
7781 if (CONSP (val) && SYMBOLP (XCAR (val)))
7782 {
7783 val = XCDR (val);
7784 if (CONSP (val) && NILP (XCDR (val)))
7785 val = XCAR (val);
7786 }
7787 if (! STRINGP (val))
7788 return NO;
7790 typesDeclared = [NSArray arrayWithObject:NSStringPboardType];
7791 [pb declareTypes:typesDeclared owner:nil];
7792 ns_string_to_pasteboard (pb, val);
7793 return YES;
7794 }
7797 /* setMini =YES means set from internal (gives a finder icon), NO means set nil
7798 (gives a miniaturized version of the window); currently we use the latter for
7799 frames whose active buffer doesn't correspond to any file
7800 (e.g., '*scratch*') */
7801 - setMiniwindowImage: (BOOL) setMini
7802 {
7803 id image = [[self window] miniwindowImage];
7804 NSTRACE ("[EmacsView setMiniwindowImage:%d]", setMini);
7806 /* NOTE: under Cocoa miniwindowImage always returns nil, documentation
7807 about "AppleDockIconEnabled" notwithstanding, however the set message
7808 below has its effect nonetheless. */
7809 if (image != emacsframe->output_data.ns->miniimage)
7810 {
7811 if (image && [image isKindOfClass: [EmacsImage class]])
7812 [image release];
7813 [[self window] setMiniwindowImage:
7814 setMini ? emacsframe->output_data.ns->miniimage : nil];
7815 }
7817 return self;
7818 }
7821 - (void) setRows: (int) r andColumns: (int) c
7822 {
7823 NSTRACE ("[EmacsView setRows:%d andColumns:%d]", r, c);
7824 rows = r;
7825 cols = c;
7826 }
7828 - (int) fullscreenState
7829 {
7830 return fs_state;
7831 }
7833 @end /* EmacsView */
7837 /* ==========================================================================
7839 EmacsWindow implementation
7841 ========================================================================== */
7843 @implementation EmacsWindow
7845 #ifdef NS_IMPL_COCOA
7846 - (id)accessibilityAttributeValue:(NSString *)attribute
7847 {
7848 Lisp_Object str = Qnil;
7849 struct frame *f = SELECTED_FRAME ();
7850 struct buffer *curbuf = XBUFFER (XWINDOW (f->selected_window)->contents);
7852 NSTRACE ("[EmacsWindow accessibilityAttributeValue:]");
7854 if ([attribute isEqualToString:NSAccessibilityRoleAttribute])
7855 return NSAccessibilityTextFieldRole;
7857 if ([attribute isEqualToString:NSAccessibilitySelectedTextAttribute]
7858 && curbuf && ! NILP (BVAR (curbuf, mark_active)))
7859 {
7860 str = ns_get_local_selection (QPRIMARY, QUTF8_STRING);
7861 }
7862 else if (curbuf && [attribute isEqualToString:NSAccessibilityValueAttribute])
7863 {
7864 if (! NILP (BVAR (curbuf, mark_active)))
7865 str = ns_get_local_selection (QPRIMARY, QUTF8_STRING);
7867 if (NILP (str))
7868 {
7869 ptrdiff_t start_byte = BUF_BEGV_BYTE (curbuf);
7870 ptrdiff_t byte_range = BUF_ZV_BYTE (curbuf) - start_byte;
7871 ptrdiff_t range = BUF_ZV (curbuf) - BUF_BEGV (curbuf);
7873 if (! NILP (BVAR (curbuf, enable_multibyte_characters)))
7874 str = make_uninit_multibyte_string (range, byte_range);
7875 else
7876 str = make_uninit_string (range);
7877 /* To check: This returns emacs-utf-8, which is a superset of utf-8.
7878 Is this a problem? */
7879 memcpy (SDATA (str), BYTE_POS_ADDR (start_byte), byte_range);
7880 }
7881 }
7884 if (! NILP (str))
7885 {
7886 if (CONSP (str) && SYMBOLP (XCAR (str)))
7887 {
7888 str = XCDR (str);
7889 if (CONSP (str) && NILP (XCDR (str)))
7890 str = XCAR (str);
7891 }
7892 if (STRINGP (str))
7893 {
7894 const char *utfStr = SSDATA (str);
7895 NSString *nsStr = [NSString stringWithUTF8String: utfStr];
7896 return nsStr;
7897 }
7898 }
7900 return [super accessibilityAttributeValue:attribute];
7901 }
7902 #endif /* NS_IMPL_COCOA */
7904 /* Constrain size and placement of a frame.
7906 By returning the original "frameRect", the frame is not
7907 constrained. This can lead to unwanted situations where, for
7908 example, the menu bar covers the frame.
7910 The default implementation (accessed using "super") constrains the
7911 frame to the visible area of SCREEN, minus the menu bar (if
7912 present) and the Dock. Note that default implementation also calls
7913 windowWillResize, with the frame it thinks should have. (This can
7914 make the frame exit maximized mode.)
7916 Note that this should work in situations where multiple monitors
7917 are present. Common configurations are side-by-side monitors and a
7918 monitor on top of another (e.g. when a laptop is placed under a
7919 large screen). */
7920 - (NSRect)constrainFrameRect:(NSRect)frameRect toScreen:(NSScreen *)screen
7921 {
7922 NSTRACE ("[EmacsWindow constrainFrameRect:" NSTRACE_FMT_RECT " toScreen:]",
7923 NSTRACE_ARG_RECT (frameRect));
7925 #ifdef NS_IMPL_COCOA
7926 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_9
7927 // If separate spaces is on, it is like each screen is independent. There is
7928 // no spanning of frames across screens.
7929 if ([NSScreen screensHaveSeparateSpaces])
7930 {
7931 NSTRACE_MSG ("Screens have separate spaces");
7932 frameRect = [super constrainFrameRect:frameRect toScreen:screen];
7933 NSTRACE_RETURN_RECT (frameRect);
7934 return frameRect;
7935 }
7936 #endif
7937 #endif
7939 return constrain_frame_rect(frameRect,
7940 [(EmacsView *)[self delegate] isFullscreen]);
7941 }
7944 - (void)performZoom:(id)sender
7945 {
7946 NSTRACE ("[EmacsWindow performZoom:]");
7948 return [super performZoom:sender];
7949 }
7951 - (void)zoom:(id)sender
7952 {
7953 NSTRACE ("[EmacsWindow zoom:]");
7955 ns_update_auto_hide_menu_bar();
7957 // Below are three zoom implementations. In the final commit, the
7958 // idea is that the last should be included.
7960 #if 0
7961 // Native zoom done using the standard zoom animation. Size of the
7962 // resulting frame reduced to accommodate the Dock and, if present,
7963 // the menu-bar.
7964 [super zoom:sender];
7966 #elif 0
7967 // Native zoom done using the standard zoom animation, plus an
7968 // explicit resize to cover the full screen, except the menu-bar and
7969 // dock, if present.
7970 [super zoom:sender];
7972 // After the native zoom, resize the resulting frame to fill the
7973 // entire screen, except the menu-bar.
7974 //
7975 // This works for all practical purposes. (The only minor oddity is
7976 // when transiting from full-height frame to a maximized, the
7977 // animation reduces the height of the frame slightly (to the 4
7978 // pixels needed to accommodate the Doc) before it snaps back into
7979 // full height. The user would need a very trained eye to spot
7980 // this.)
7981 NSScreen * screen = [self screen];
7982 if (screen != nil)
7983 {
7984 int fs_state = [(EmacsView *)[self delegate] fullscreenState];
7986 NSTRACE_FSTYPE ("fullscreenState", fs_state);
7988 NSRect sr = [screen frame];
7989 struct EmacsMargins margins
7990 = ns_screen_margins_ignoring_hidden_dock(screen);
7992 NSRect wr = [self frame];
7993 NSTRACE_RECT ("Rect after zoom", wr);
7995 NSRect newWr = wr;
7997 if (fs_state == FULLSCREEN_MAXIMIZED
7998 || fs_state == FULLSCREEN_HEIGHT)
7999 {
8000 newWr.origin.y = sr.origin.y + margins.bottom;
8001 newWr.size.height = sr.size.height - margins.top - margins.bottom;
8002 }
8004 if (fs_state == FULLSCREEN_MAXIMIZED
8005 || fs_state == FULLSCREEN_WIDTH)
8006 {
8007 newWr.origin.x = sr.origin.x + margins.left;
8008 newWr.size.width = sr.size.width - margins.right - margins.left;
8009 }
8011 if (newWr.size.width != wr.size.width
8012 || newWr.size.height != wr.size.height
8013 || newWr.origin.x != wr.origin.x
8014 || newWr.origin.y != wr.origin.y)
8015 {
8016 NSTRACE_MSG ("New frame different");
8017 [self setFrame: newWr display: NO];
8018 }
8019 }
8020 #else
8021 // Non-native zoom which is done instantaneously. The resulting
8022 // frame covers the entire screen, except the menu-bar and dock, if
8023 // present.
8024 NSScreen * screen = [self screen];
8025 if (screen != nil)
8026 {
8027 NSRect sr = [screen frame];
8028 struct EmacsMargins margins
8029 = ns_screen_margins_ignoring_hidden_dock(screen);
8031 sr.size.height -= (margins.top + margins.bottom);
8032 sr.size.width -= (margins.left + margins.right);
8033 sr.origin.x += margins.left;
8034 sr.origin.y += margins.bottom;
8036 sr = [[self delegate] windowWillUseStandardFrame:self
8037 defaultFrame:sr];
8038 [self setFrame: sr display: NO];
8039 }
8040 #endif
8041 }
8043 - (void)setFrame:(NSRect)windowFrame
8044 display:(BOOL)displayViews
8045 {
8046 NSTRACE ("[EmacsWindow setFrame:" NSTRACE_FMT_RECT " display:%d]",
8047 NSTRACE_ARG_RECT (windowFrame), displayViews);
8049 [super setFrame:windowFrame display:displayViews];
8050 }
8052 - (void)setFrame:(NSRect)windowFrame
8053 display:(BOOL)displayViews
8054 animate:(BOOL)performAnimation
8055 {
8056 NSTRACE ("[EmacsWindow setFrame:" NSTRACE_FMT_RECT
8057 " display:%d performAnimation:%d]",
8058 NSTRACE_ARG_RECT (windowFrame), displayViews, performAnimation);
8060 [super setFrame:windowFrame display:displayViews animate:performAnimation];
8061 }
8063 - (void)setFrameTopLeftPoint:(NSPoint)point
8064 {
8065 NSTRACE ("[EmacsWindow setFrameTopLeftPoint:" NSTRACE_FMT_POINT "]",
8066 NSTRACE_ARG_POINT (point));
8068 [super setFrameTopLeftPoint:point];
8069 }
8070 @end /* EmacsWindow */
8073 @implementation EmacsFSWindow
8075 - (BOOL)canBecomeKeyWindow
8076 {
8077 return YES;
8078 }
8080 - (BOOL)canBecomeMainWindow
8081 {
8082 return YES;
8083 }
8085 @end
8087 /* ==========================================================================
8089 EmacsScroller implementation
8091 ========================================================================== */
8094 @implementation EmacsScroller
8096 /* for repeat button push */
8097 #define SCROLL_BAR_FIRST_DELAY 0.5
8098 #define SCROLL_BAR_CONTINUOUS_DELAY (1.0 / 15)
8100 + (CGFloat) scrollerWidth
8101 {
8102 /* TODO: if we want to allow variable widths, this is the place to do it,
8103 however neither GNUstep nor Cocoa support it very well */
8104 CGFloat r;
8105 #if !defined (NS_IMPL_COCOA) || \
8106 MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
8107 r = [NSScroller scrollerWidth];
8108 #else
8109 r = [NSScroller scrollerWidthForControlSize: NSRegularControlSize
8110 scrollerStyle: NSScrollerStyleLegacy];
8111 #endif
8112 return r;
8113 }
8116 - initFrame: (NSRect )r window: (Lisp_Object)nwin
8117 {
8118 NSTRACE ("[EmacsScroller initFrame: window:]");
8120 r.size.width = [EmacsScroller scrollerWidth];
8121 [super initWithFrame: r/*NSMakeRect (0, 0, 0, 0)*/];
8122 [self setContinuous: YES];
8123 [self setEnabled: YES];
8125 /* Ensure auto resizing of scrollbars occurs within the emacs frame's view
8126 locked against the top and bottom edges, and right edge on macOS, where
8127 scrollers are on right. */
8128 #ifdef NS_IMPL_GNUSTEP
8129 [self setAutoresizingMask: NSViewMaxXMargin | NSViewHeightSizable];
8130 #else
8131 [self setAutoresizingMask: NSViewMinXMargin | NSViewHeightSizable];
8132 #endif
8134 window = XWINDOW (nwin);
8135 condemned = NO;
8136 pixel_height = NSHeight (r);
8137 if (pixel_height == 0) pixel_height = 1;
8138 min_portion = 20 / pixel_height;
8140 frame = XFRAME (window->frame);
8141 if (FRAME_LIVE_P (frame))
8142 {
8143 int i;
8144 EmacsView *view = FRAME_NS_VIEW (frame);
8145 NSView *sview = [[view window] contentView];
8146 NSArray *subs = [sview subviews];
8148 /* disable optimization stopping redraw of other scrollbars */
8149 view->scrollbarsNeedingUpdate = 0;
8150 for (i =[subs count]-1; i >= 0; i--)
8151 if ([[subs objectAtIndex: i] isKindOfClass: [EmacsScroller class]])
8152 view->scrollbarsNeedingUpdate++;
8153 [sview addSubview: self];
8154 }
8156 /* [self setFrame: r]; */
8158 return self;
8159 }
8162 - (void)setFrame: (NSRect)newRect
8163 {
8164 NSTRACE ("[EmacsScroller setFrame:]");
8166 /* block_input (); */
8167 pixel_height = NSHeight (newRect);
8168 if (pixel_height == 0) pixel_height = 1;
8169 min_portion = 20 / pixel_height;
8170 [super setFrame: newRect];
8171 /* unblock_input (); */
8172 }
8175 - (void)dealloc
8176 {
8177 NSTRACE ("[EmacsScroller dealloc]");
8178 if (window)
8179 wset_vertical_scroll_bar (window, Qnil);
8180 window = 0;
8181 [super dealloc];
8182 }
8185 - condemn
8186 {
8187 NSTRACE ("[EmacsScroller condemn]");
8188 condemned =YES;
8189 return self;
8190 }
8193 - reprieve
8194 {
8195 NSTRACE ("[EmacsScroller reprieve]");
8196 condemned =NO;
8197 return self;
8198 }
8201 -(bool)judge
8202 {
8203 NSTRACE ("[EmacsScroller judge]");
8204 bool ret = condemned;
8205 if (condemned)
8206 {
8207 EmacsView *view;
8208 block_input ();
8209 /* ensure other scrollbar updates after deletion */
8210 view = (EmacsView *)FRAME_NS_VIEW (frame);
8211 if (view != nil)
8212 view->scrollbarsNeedingUpdate++;
8213 if (window)
8214 wset_vertical_scroll_bar (window, Qnil);
8215 window = 0;
8216 [self removeFromSuperview];
8217 [self release];
8218 unblock_input ();
8219 }
8220 return ret;
8221 }
8224 - (void)resetCursorRects
8225 {
8226 NSRect visible = [self visibleRect];
8227 NSTRACE ("[EmacsScroller resetCursorRects]");
8229 if (!NSIsEmptyRect (visible))
8230 [self addCursorRect: visible cursor: [NSCursor arrowCursor]];
8231 [[NSCursor arrowCursor] setOnMouseEntered: YES];
8232 }
8235 - (int) checkSamePosition: (int) position portion: (int) portion
8236 whole: (int) whole
8237 {
8238 return em_position ==position && em_portion ==portion && em_whole ==whole
8239 && portion != whole; /* needed for resize empty buf */
8240 }
8243 - setPosition: (int)position portion: (int)portion whole: (int)whole
8244 {
8245 NSTRACE ("[EmacsScroller setPosition:portion:whole:]");
8247 em_position = position;
8248 em_portion = portion;
8249 em_whole = whole;
8251 if (portion >= whole)
8252 {
8253 #ifdef NS_IMPL_COCOA
8254 [self setKnobProportion: 1.0];
8255 [self setDoubleValue: 1.0];
8256 #else
8257 [self setFloatValue: 0.0 knobProportion: 1.0];
8258 #endif
8259 }
8260 else
8261 {
8262 float pos;
8263 CGFloat por;
8264 portion = max ((float)whole*min_portion/pixel_height, portion);
8265 pos = (float)position / (whole - portion);
8266 por = (CGFloat)portion/whole;
8267 #ifdef NS_IMPL_COCOA
8268 [self setKnobProportion: por];
8269 [self setDoubleValue: pos];
8270 #else
8271 [self setFloatValue: pos knobProportion: por];
8272 #endif
8273 }
8275 return self;
8276 }
8278 /* set up emacs_event */
8279 - (void) sendScrollEventAtLoc: (float)loc fromEvent: (NSEvent *)e
8280 {
8281 Lisp_Object win;
8283 NSTRACE ("[EmacsScroller sendScrollEventAtLoc:fromEvent:]");
8285 if (!emacs_event)
8286 return;
8288 emacs_event->part = last_hit_part;
8289 emacs_event->code = 0;
8290 emacs_event->modifiers = EV_MODIFIERS (e) | down_modifier;
8291 XSETWINDOW (win, window);
8292 emacs_event->frame_or_window = win;
8293 emacs_event->timestamp = EV_TIMESTAMP (e);
8294 emacs_event->kind = SCROLL_BAR_CLICK_EVENT;
8295 emacs_event->arg = Qnil;
8296 XSETINT (emacs_event->x, loc * pixel_height);
8297 XSETINT (emacs_event->y, pixel_height-20);
8299 if (q_event_ptr)
8300 {
8301 n_emacs_events_pending++;
8302 kbd_buffer_store_event_hold (emacs_event, q_event_ptr);
8303 }
8304 else
8305 hold_event (emacs_event);
8306 EVENT_INIT (*emacs_event);
8307 ns_send_appdefined (-1);
8308 }
8311 /* called manually thru timer to implement repeated button action w/hold-down */
8312 - repeatScroll: (NSTimer *)scrollEntry
8313 {
8314 NSEvent *e = [[self window] currentEvent];
8315 NSPoint p = [[self window] mouseLocationOutsideOfEventStream];
8316 BOOL inKnob = [self testPart: p] == NSScrollerKnob;
8318 NSTRACE ("[EmacsScroller repeatScroll:]");
8320 /* clear timer if need be */
8321 if (inKnob || [scroll_repeat_entry timeInterval] == SCROLL_BAR_FIRST_DELAY)
8322 {
8323 [scroll_repeat_entry invalidate];
8324 [scroll_repeat_entry release];
8325 scroll_repeat_entry = nil;
8327 if (inKnob)
8328 return self;
8330 scroll_repeat_entry
8331 = [[NSTimer scheduledTimerWithTimeInterval:
8332 SCROLL_BAR_CONTINUOUS_DELAY
8333 target: self
8334 selector: @selector (repeatScroll:)
8335 userInfo: 0
8336 repeats: YES]
8337 retain];
8338 }
8340 [self sendScrollEventAtLoc: 0 fromEvent: e];
8341 return self;
8342 }
8345 /* Asynchronous mouse tracking for scroller. This allows us to dispatch
8346 mouseDragged events without going into a modal loop. */
8347 - (void)mouseDown: (NSEvent *)e
8348 {
8349 NSRect sr, kr;
8350 /* hitPart is only updated AFTER event is passed on */
8351 NSScrollerPart part = [self testPart: [e locationInWindow]];
8352 CGFloat inc = 0.0, loc, kloc, pos;
8353 int edge = 0;
8355 NSTRACE ("[EmacsScroller mouseDown:]");
8357 switch (part)
8358 {
8359 case NSScrollerDecrementPage:
8360 last_hit_part = scroll_bar_above_handle; inc = -1.0; break;
8361 case NSScrollerIncrementPage:
8362 last_hit_part = scroll_bar_below_handle; inc = 1.0; break;
8363 case NSScrollerDecrementLine:
8364 last_hit_part = scroll_bar_up_arrow; inc = -0.1; break;
8365 case NSScrollerIncrementLine:
8366 last_hit_part = scroll_bar_down_arrow; inc = 0.1; break;
8367 case NSScrollerKnob:
8368 last_hit_part = scroll_bar_handle; break;
8369 case NSScrollerKnobSlot: /* GNUstep-only */
8370 last_hit_part = scroll_bar_move_ratio; break;
8371 default: /* NSScrollerNoPart? */
8372 fprintf (stderr, "EmacsScoller-mouseDown: unexpected part %ld\n",
8373 (long) part);
8374 return;
8375 }
8377 if (inc != 0.0)
8378 {
8379 pos = 0; /* ignored */
8381 /* set a timer to repeat, as we can't let superclass do this modally */
8382 scroll_repeat_entry
8383 = [[NSTimer scheduledTimerWithTimeInterval: SCROLL_BAR_FIRST_DELAY
8384 target: self
8385 selector: @selector (repeatScroll:)
8386 userInfo: 0
8387 repeats: YES]
8388 retain];
8389 }
8390 else
8391 {
8392 /* handle, or on GNUstep possibly slot */
8393 NSEvent *fake_event;
8395 /* compute float loc in slot and mouse offset on knob */
8396 sr = [self convertRect: [self rectForPart: NSScrollerKnobSlot]
8397 toView: nil];
8398 loc = NSHeight (sr) - ([e locationInWindow].y - NSMinY (sr));
8399 if (loc <= 0.0)
8400 {
8401 loc = 0.0;
8402 edge = -1;
8403 }
8404 else if (loc >= NSHeight (sr))
8405 {
8406 loc = NSHeight (sr);
8407 edge = 1;
8408 }
8410 if (edge)
8411 kloc = 0.5 * edge;
8412 else
8413 {
8414 kr = [self convertRect: [self rectForPart: NSScrollerKnob]
8415 toView: nil];
8416 kloc = NSHeight (kr) - ([e locationInWindow].y - NSMinY (kr));
8417 }
8418 last_mouse_offset = kloc;
8420 /* if knob, tell emacs a location offset by knob pos
8421 (to indicate top of handle) */
8422 if (part == NSScrollerKnob)
8423 pos = (loc - last_mouse_offset) / NSHeight (sr);
8424 else
8425 /* else this is a slot click on GNUstep: go straight there */
8426 pos = loc / NSHeight (sr);
8428 /* send a fake mouse-up to super to preempt modal -trackKnob: mode */
8429 fake_event = [NSEvent mouseEventWithType: NSLeftMouseUp
8430 location: [e locationInWindow]
8431 modifierFlags: [e modifierFlags]
8432 timestamp: [e timestamp]
8433 windowNumber: [e windowNumber]
8434 context: [e context]
8435 eventNumber: [e eventNumber]
8436 clickCount: [e clickCount]
8437 pressure: [e pressure]];
8438 [super mouseUp: fake_event];
8439 }
8441 if (part != NSScrollerKnob)
8442 [self sendScrollEventAtLoc: pos fromEvent: e];
8443 }
8446 /* Called as we manually track scroller drags, rather than superclass. */
8447 - (void)mouseDragged: (NSEvent *)e
8448 {
8449 NSRect sr;
8450 double loc, pos;
8452 NSTRACE ("[EmacsScroller mouseDragged:]");
8454 sr = [self convertRect: [self rectForPart: NSScrollerKnobSlot]
8455 toView: nil];
8456 loc = NSHeight (sr) - ([e locationInWindow].y - NSMinY (sr));
8458 if (loc <= 0.0)
8459 {
8460 loc = 0.0;
8461 }
8462 else if (loc >= NSHeight (sr) + last_mouse_offset)
8463 {
8464 loc = NSHeight (sr) + last_mouse_offset;
8465 }
8467 pos = (loc - last_mouse_offset) / NSHeight (sr);
8468 [self sendScrollEventAtLoc: pos fromEvent: e];
8469 }
8472 - (void)mouseUp: (NSEvent *)e
8473 {
8474 NSTRACE ("[EmacsScroller mouseUp:]");
8476 if (scroll_repeat_entry)
8477 {
8478 [scroll_repeat_entry invalidate];
8479 [scroll_repeat_entry release];
8480 scroll_repeat_entry = nil;
8481 }
8482 last_hit_part = scroll_bar_above_handle;
8483 }
8486 /* treat scrollwheel events in the bar as though they were in the main window */
8487 - (void) scrollWheel: (NSEvent *)theEvent
8488 {
8489 NSTRACE ("[EmacsScroller scrollWheel:]");
8491 EmacsView *view = (EmacsView *)FRAME_NS_VIEW (frame);
8492 [view mouseDown: theEvent];
8493 }
8495 @end /* EmacsScroller */
8498 #ifdef NS_IMPL_GNUSTEP
8499 /* Dummy class to get rid of startup warnings. */
8500 @implementation EmacsDocument
8502 @end
8503 #endif
8506 /* ==========================================================================
8508 Font-related functions; these used to be in nsfaces.m
8510 ========================================================================== */
8513 Lisp_Object
8514 x_new_font (struct frame *f, Lisp_Object font_object, int fontset)
8515 {
8516 struct font *font = XFONT_OBJECT (font_object);
8517 EmacsView *view = FRAME_NS_VIEW (f);
8518 int font_ascent, font_descent;
8520 if (fontset < 0)
8521 fontset = fontset_from_font (font_object);
8522 FRAME_FONTSET (f) = fontset;
8524 if (FRAME_FONT (f) == font)
8525 /* This font is already set in frame F. There's nothing more to
8526 do. */
8527 return font_object;
8529 FRAME_FONT (f) = font;
8531 FRAME_BASELINE_OFFSET (f) = font->baseline_offset;
8532 FRAME_COLUMN_WIDTH (f) = font->average_width;
8533 get_font_ascent_descent (font, &font_ascent, &font_descent);
8534 FRAME_LINE_HEIGHT (f) = font_ascent + font_descent;
8536 /* Compute the scroll bar width in character columns. */
8537 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) > 0)
8538 {
8539 int wid = FRAME_COLUMN_WIDTH (f);
8540 FRAME_CONFIG_SCROLL_BAR_COLS (f)
8541 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) + wid - 1) / wid;
8542 }
8543 else
8544 {
8545 int wid = FRAME_COLUMN_WIDTH (f);
8546 FRAME_CONFIG_SCROLL_BAR_COLS (f) = (14 + wid - 1) / wid;
8547 }
8549 /* Compute the scroll bar height in character lines. */
8550 if (FRAME_CONFIG_SCROLL_BAR_HEIGHT (f) > 0)
8551 {
8552 int height = FRAME_LINE_HEIGHT (f);
8553 FRAME_CONFIG_SCROLL_BAR_LINES (f)
8554 = (FRAME_CONFIG_SCROLL_BAR_HEIGHT (f) + height - 1) / height;
8555 }
8556 else
8557 {
8558 int height = FRAME_LINE_HEIGHT (f);
8559 FRAME_CONFIG_SCROLL_BAR_LINES (f) = (14 + height - 1) / height;
8560 }
8562 /* Now make the frame display the given font. */
8563 if (FRAME_NS_WINDOW (f) != 0 && ! [view isFullscreen])
8564 adjust_frame_size (f, FRAME_COLS (f) * FRAME_COLUMN_WIDTH (f),
8565 FRAME_LINES (f) * FRAME_LINE_HEIGHT (f), 3,
8566 false, Qfont);
8568 return font_object;
8569 }
8572 /* XLFD: -foundry-family-weight-slant-swidth-adstyle-pxlsz-ptSz-resx-resy-spc-avgWidth-rgstry-encoding */
8573 /* Note: ns_font_to_xlfd and ns_fontname_to_xlfd no longer needed, removed
8574 in 1.43. */
8576 const char *
8577 ns_xlfd_to_fontname (const char *xlfd)
8578 /* --------------------------------------------------------------------------
8579 Convert an X font name (XLFD) to an NS font name.
8580 Only family is used.
8581 The string returned is temporarily allocated.
8582 -------------------------------------------------------------------------- */
8583 {
8584 char *name = xmalloc (180);
8585 int i, len;
8586 const char *ret;
8588 if (!strncmp (xlfd, "--", 2))
8589 sscanf (xlfd, "--%*[^-]-%[^-]179-", name);
8590 else
8591 sscanf (xlfd, "-%*[^-]-%[^-]179-", name);
8593 /* stopgap for malformed XLFD input */
8594 if (strlen (name) == 0)
8595 strcpy (name, "Monaco");
8597 /* undo hack in ns_fontname_to_xlfd, converting '$' to '-', '_' to ' '
8598 also uppercase after '-' or ' ' */
8599 name[0] = c_toupper (name[0]);
8600 for (len =strlen (name), i =0; i<len; i++)
8601 {
8602 if (name[i] == '$')
8603 {
8604 name[i] = '-';
8605 if (i+1<len)
8606 name[i+1] = c_toupper (name[i+1]);
8607 }
8608 else if (name[i] == '_')
8609 {
8610 name[i] = ' ';
8611 if (i+1<len)
8612 name[i+1] = c_toupper (name[i+1]);
8613 }
8614 }
8615 /*fprintf (stderr, "converted '%s' to '%s'\n",xlfd,name); */
8616 ret = [[NSString stringWithUTF8String: name] UTF8String];
8617 xfree (name);
8618 return ret;
8619 }
8622 void
8623 syms_of_nsterm (void)
8624 {
8625 NSTRACE ("syms_of_nsterm");
8627 ns_antialias_threshold = 10.0;
8629 /* from 23+ we need to tell emacs what modifiers there are.. */
8630 DEFSYM (Qmodifier_value, "modifier-value");
8631 DEFSYM (Qalt, "alt");
8632 DEFSYM (Qhyper, "hyper");
8633 DEFSYM (Qmeta, "meta");
8634 DEFSYM (Qsuper, "super");
8635 DEFSYM (Qcontrol, "control");
8636 DEFSYM (QUTF8_STRING, "UTF8_STRING");
8638 DEFSYM (Qfile, "file");
8639 DEFSYM (Qurl, "url");
8641 Fput (Qalt, Qmodifier_value, make_number (alt_modifier));
8642 Fput (Qhyper, Qmodifier_value, make_number (hyper_modifier));
8643 Fput (Qmeta, Qmodifier_value, make_number (meta_modifier));
8644 Fput (Qsuper, Qmodifier_value, make_number (super_modifier));
8645 Fput (Qcontrol, Qmodifier_value, make_number (ctrl_modifier));
8647 DEFVAR_LISP ("ns-input-file", ns_input_file,
8648 "The file specified in the last NS event.");
8649 ns_input_file =Qnil;
8651 DEFVAR_LISP ("ns-working-text", ns_working_text,
8652 "String for visualizing working composition sequence.");
8653 ns_working_text =Qnil;
8655 DEFVAR_LISP ("ns-input-font", ns_input_font,
8656 "The font specified in the last NS event.");
8657 ns_input_font =Qnil;
8659 DEFVAR_LISP ("ns-input-fontsize", ns_input_fontsize,
8660 "The fontsize specified in the last NS event.");
8661 ns_input_fontsize =Qnil;
8663 DEFVAR_LISP ("ns-input-line", ns_input_line,
8664 "The line specified in the last NS event.");
8665 ns_input_line =Qnil;
8667 DEFVAR_LISP ("ns-input-spi-name", ns_input_spi_name,
8668 "The service name specified in the last NS event.");
8669 ns_input_spi_name =Qnil;
8671 DEFVAR_LISP ("ns-input-spi-arg", ns_input_spi_arg,
8672 "The service argument specified in the last NS event.");
8673 ns_input_spi_arg =Qnil;
8675 DEFVAR_LISP ("ns-alternate-modifier", ns_alternate_modifier,
8676 "This variable describes the behavior of the alternate or option key.\n\
8677 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
8678 Set to none means that the alternate / option key is not interpreted by Emacs\n\
8679 at all, allowing it to be used at a lower level for accented character entry.");
8680 ns_alternate_modifier = Qmeta;
8682 DEFVAR_LISP ("ns-right-alternate-modifier", ns_right_alternate_modifier,
8683 "This variable describes the behavior of the right alternate or option key.\n\
8684 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
8685 Set to left means be the same key as `ns-alternate-modifier'.\n\
8686 Set to none means that the alternate / option key is not interpreted by Emacs\n\
8687 at all, allowing it to be used at a lower level for accented character entry.");
8688 ns_right_alternate_modifier = Qleft;
8690 DEFVAR_LISP ("ns-command-modifier", ns_command_modifier,
8691 "This variable describes the behavior of the command key.\n\
8692 Set to control, meta, alt, super, or hyper means it is taken to be that key.");
8693 ns_command_modifier = Qsuper;
8695 DEFVAR_LISP ("ns-right-command-modifier", ns_right_command_modifier,
8696 "This variable describes the behavior of the right command key.\n\
8697 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
8698 Set to left means be the same key as `ns-command-modifier'.\n\
8699 Set to none means that the command / option key is not interpreted by Emacs\n\
8700 at all, allowing it to be used at a lower level for accented character entry.");
8701 ns_right_command_modifier = Qleft;
8703 DEFVAR_LISP ("ns-control-modifier", ns_control_modifier,
8704 "This variable describes the behavior of the control key.\n\
8705 Set to control, meta, alt, super, or hyper means it is taken to be that key.");
8706 ns_control_modifier = Qcontrol;
8708 DEFVAR_LISP ("ns-right-control-modifier", ns_right_control_modifier,
8709 "This variable describes the behavior of the right control key.\n\
8710 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
8711 Set to left means be the same key as `ns-control-modifier'.\n\
8712 Set to none means that the control / option key is not interpreted by Emacs\n\
8713 at all, allowing it to be used at a lower level for accented character entry.");
8714 ns_right_control_modifier = Qleft;
8716 DEFVAR_LISP ("ns-function-modifier", ns_function_modifier,
8717 "This variable describes the behavior of the function key (on laptops).\n\
8718 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
8719 Set to none means that the function key is not interpreted by Emacs at all,\n\
8720 allowing it to be used at a lower level for accented character entry.");
8721 ns_function_modifier = Qnone;
8723 DEFVAR_LISP ("ns-antialias-text", ns_antialias_text,
8724 "Non-nil (the default) means to render text antialiased.");
8725 ns_antialias_text = Qt;
8727 DEFVAR_LISP ("ns-confirm-quit", ns_confirm_quit,
8728 "Whether to confirm application quit using dialog.");
8729 ns_confirm_quit = Qnil;
8731 DEFVAR_LISP ("ns-auto-hide-menu-bar", ns_auto_hide_menu_bar,
8732 doc: /* Non-nil means that the menu bar is hidden, but appears when the mouse is near.
8733 Only works on Mac OS X 10.6 or later. */);
8734 ns_auto_hide_menu_bar = Qnil;
8736 DEFVAR_BOOL ("ns-use-native-fullscreen", ns_use_native_fullscreen,
8737 doc: /*Non-nil means to use native fullscreen on Mac OS X 10.7 and later.
8738 Nil means use fullscreen the old (< 10.7) way. The old way works better with
8739 multiple monitors, but lacks tool bar. This variable is ignored on
8740 Mac OS X < 10.7. Default is t for 10.7 and later, nil otherwise. */);
8741 #ifdef HAVE_NATIVE_FS
8742 ns_use_native_fullscreen = YES;
8743 #else
8744 ns_use_native_fullscreen = NO;
8745 #endif
8746 ns_last_use_native_fullscreen = ns_use_native_fullscreen;
8748 DEFVAR_BOOL ("ns-use-fullscreen-animation", ns_use_fullscreen_animation,
8749 doc: /*Non-nil means use animation on non-native fullscreen.
8750 For native fullscreen, this does nothing.
8751 Default is nil. */);
8752 ns_use_fullscreen_animation = NO;
8754 DEFVAR_BOOL ("ns-use-srgb-colorspace", ns_use_srgb_colorspace,
8755 doc: /*Non-nil means to use sRGB colorspace on Mac OS X 10.7 and later.
8756 Note that this does not apply to images.
8757 This variable is ignored on Mac OS X < 10.7 and GNUstep. */);
8758 ns_use_srgb_colorspace = YES;
8760 /* TODO: move to common code */
8761 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars,
8762 doc: /* Which toolkit scroll bars Emacs uses, if any.
8763 A value of nil means Emacs doesn't use toolkit scroll bars.
8764 With the X Window system, the value is a symbol describing the
8765 X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
8766 With MS Windows or Nextstep, the value is t. */);
8767 Vx_toolkit_scroll_bars = Qt;
8769 DEFVAR_BOOL ("x-use-underline-position-properties",
8770 x_use_underline_position_properties,
8771 doc: /*Non-nil means make use of UNDERLINE_POSITION font properties.
8772 A value of nil means ignore them. If you encounter fonts with bogus
8773 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
8774 to 4.1, set this to nil. */);
8775 x_use_underline_position_properties = 0;
8777 DEFVAR_BOOL ("x-underline-at-descent-line",
8778 x_underline_at_descent_line,
8779 doc: /* Non-nil means to draw the underline at the same place as the descent line.
8780 A value of nil means to draw the underline according to the value of the
8781 variable `x-use-underline-position-properties', which is usually at the
8782 baseline level. The default value is nil. */);
8783 x_underline_at_descent_line = 0;
8785 /* Tell Emacs about this window system. */
8786 Fprovide (Qns, Qnil);
8788 DEFSYM (Qcocoa, "cocoa");
8789 DEFSYM (Qgnustep, "gnustep");
8791 #ifdef NS_IMPL_COCOA
8792 Fprovide (Qcocoa, Qnil);
8793 syms_of_macfont ();
8794 #else
8795 Fprovide (Qgnustep, Qnil);
8796 syms_of_nsfont ();
8797 #endif
8799 }