src/nsterm.h

   1 /* Definitions and headers for communication with NeXT/Open/GNUstep API.
   2    Copyright (C) 1989, 1993, 2005, 2008-2012 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Emacs.
   5
   6 GNU Emacs is free software: you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation, either version 3 of the License, or
   9 (at your option) any later version.
  10
  11 GNU Emacs is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19
  20 #include "dispextern.h"
  21 #include "frame.h"
  22 #include "character.h"
  23 #include "font.h"
  24 #include "sysselect.h"
  25
  26 #ifdef HAVE_NS
  27
  28 #ifdef NS_IMPL_COCOA
  29 #ifndef MAC_OS_X_VERSION_10_4
  30 #define MAC_OS_X_VERSION_10_4 1040
  31 #endif
  32 #ifndef MAC_OS_X_VERSION_10_5
  33 #define MAC_OS_X_VERSION_10_5 1050
  34 #endif
  35 #ifndef MAC_OS_X_VERSION_10_6
  36 #define MAC_OS_X_VERSION_10_6 1060
  37 #endif
  38 #ifndef MAC_OS_X_VERSION_10_7
  39 #define MAC_OS_X_VERSION_10_7 1070
  40 #endif
  41 #ifndef MAC_OS_X_VERSION_10_8
  42 #define MAC_OS_X_VERSION_10_8 1080
  43 #endif
  44 #endif /* NS_IMPL_COCOA */
  45
  46 #ifdef __OBJC__
  47
  48 /* ==========================================================================
  49
  50    The Emacs application
  51
  52    ========================================================================== */
  53
  54 /* We override sendEvent: as a means to stop/start the event loop */
  55 @interface EmacsApp : NSApplication
  56 {
  57 }
  58 - (void)logNotification: (NSNotification *)notification;
  59 - (void)sendEvent: (NSEvent *)theEvent;
  60 - (void)showPreferencesWindow: (id)sender;
  61 - (BOOL) openFile: (NSString *)fileName;
  62 - (void)fd_handler: (id)unused;
  63 - (void)timeout_handler: (NSTimer *)timedEntry;
  64 - (BOOL)fulfillService: (NSString *)name withArg: (NSString *)arg;
  65 @end
  66
  67
  68 /* ==========================================================================
  69
  70    The main Emacs view
  71
  72    ========================================================================== */
  73
  74 @class EmacsToolbar;
  75
  76 #if defined (NS_IMPL_COCOA) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
  77 @interface EmacsView : NSView <NSTextInput, NSWindowDelegate>
  78 #else
  79 @interface EmacsView : NSView <NSTextInput>
  80 #endif
  81    {
  82    char *old_title;
  83    BOOL windowClosing;
  84    NSString *workingText;
  85    BOOL processingCompose;
  86    int fs_state, fs_before_fs, next_maximized;
  87    int tibar_height, tobar_height, bwidth;
  88    int maximized_width, maximized_height;
  89    NSWindow *nonfs_window;
  90 @public
  91    struct frame *emacsframe;
  92    int rows, cols;
  93    int scrollbarsNeedingUpdate;
  94    EmacsToolbar *toolbar;
  95    NSRect ns_userRect;
  96    }
  97
  98 /* AppKit-side interface */
  99 - menuDown: (id)sender;
 100 - toolbarClicked: (id)item;
 101 - toggleToolbar: (id)sender;
 102 - (void)keyDown: (NSEvent *)theEvent;
 103 - (void)mouseDown: (NSEvent *)theEvent;
 104 - (void)mouseUp: (NSEvent *)theEvent;
 105 - setMiniwindowImage: (BOOL)setMini;
 106
 107 /* Emacs-side interface */
 108 - initFrameFromEmacs: (struct frame *) f;
 109 - (void) setRows: (int) r andColumns: (int) c;
 110 - (void) setWindowClosing: (BOOL)closing;
 111 - (EmacsToolbar *) toolbar;
 112 - (void) deleteWorkingText;
 113 - (void) updateFrameSize: (BOOL) delay;
 114 - (void) handleFS;
 115 - (void) setFSValue: (int)value;
 116 - (void) toggleFullScreen: (id) sender;
 117
 118 #ifdef NS_IMPL_GNUSTEP
 119 /* Not declared, but useful. */
 120 - (void) unlockFocusNeedsFlush: (BOOL)needs;
 121 #endif
 122 @end
 123
 124
 125 /* Small utility used for processing resize events under Cocoa. */
 126 @interface EmacsWindow : NSWindow
 127 {
 128   NSPoint grabOffset;
 129 }
 130 @end
 131
 132
 133 /* Fullscreen version of the above.  */
 134 @interface EmacsFSWindow : EmacsWindow
 135 {
 136 }
 137 @end
 138
 139 /* ==========================================================================
 140
 141    The main menu implementation
 142
 143    ========================================================================== */
 144
 145 #if defined (NS_IMPL_COCOA) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
 146 @interface EmacsMenu : NSMenu  <NSMenuDelegate>
 147 #else
 148 @interface EmacsMenu : NSMenu
 149 #endif
 150 {
 151   struct frame *frame;
 152   unsigned long keyEquivModMask;
 153 }
 154
 155 - initWithTitle: (NSString *)title frame: (struct frame *)f;
 156 - (void)setFrame: (struct frame *)f;
 157 - (void)menuNeedsUpdate: (NSMenu *)menu; /* (delegate method) */
 158 - (NSString *)parseKeyEquiv: (const char *)key;
 159 - (NSMenuItem *)addItemWithWidgetValue: (void *)wvptr;
 160 - (void)fillWithWidgetValue: (void *)wvptr;
 161 - (EmacsMenu *)addSubmenuWithTitle: (const char *)title forFrame: (struct frame *)f;
 162 - (void) clear;
 163 - (Lisp_Object)runMenuAt: (NSPoint)p forFrame: (struct frame *)f
 164                  keymaps: (bool)keymaps;
 165 @end
 166
 167
 168 /* ==========================================================================
 169
 170    Toolbar
 171
 172    ========================================================================== */
 173
 174 @class EmacsImage;
 175
 176 #if defined (NS_IMPL_COCOA) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
 177 @interface EmacsToolbar : NSToolbar <NSToolbarDelegate>
 178 #else
 179 @interface EmacsToolbar : NSToolbar
 180 #endif
 181    {
 182      EmacsView *emacsView;
 183      NSMutableDictionary *identifierToItem;
 184      NSMutableArray *activeIdentifiers;
 185      NSArray *prevIdentifiers;
 186      unsigned long enablement, prevEnablement;
 187    }
 188 - initForView: (EmacsView *)view withIdentifier: (NSString *)identifier;
 189 - (void) clearActive;
 190 - (BOOL) changed;
 191 - (void) addDisplayItemWithImage: (EmacsImage *)img idx: (int)idx
 192                         helpText: (const char *)help
 193                          enabled: (BOOL)enabled;
 194 /* delegate methods */
 195 - (NSToolbarItem *)toolbar: (NSToolbar *)toolbar
 196      itemForItemIdentifier: (NSString *)itemIdentifier
 197  willBeInsertedIntoToolbar: (BOOL)flag;
 198 - (NSArray *)toolbarDefaultItemIdentifiers: (NSToolbar *)toolbar;
 199 - (NSArray *)toolbarAllowedItemIdentifiers: (NSToolbar *)toolbar;
 200 @end
 201
 202
 203 /* ==========================================================================
 204
 205    Message / question windows
 206
 207    ========================================================================== */
 208
 209 @interface EmacsDialogPanel : NSPanel
 210    {
 211    NSTextField *command;
 212    NSTextField *title;
 213    NSMatrix *matrix;
 214    int rows, cols;
 215    BOOL timer_fired, window_closed;
 216    Lisp_Object dialog_return;
 217    Lisp_Object *button_values;
 218    }
 219 - initFromContents: (Lisp_Object)menu isQuestion: (BOOL)isQ;
 220 - (void)process_dialog: (Lisp_Object)list;
 221 - (void)addButton: (char *)str value: (int)tag row: (int)row;
 222 - (void)addString: (char *)str row: (int)row;
 223 - (void)addSplit;
 224 - (Lisp_Object)runDialogAt: (NSPoint)p;
 225 - (void)timeout_handler: (NSTimer *)timedEntry;
 226 @end
 227
 228 #if defined (NS_IMPL_COCOA) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
 229 @interface EmacsTooltip : NSObject <NSWindowDelegate>
 230 #else
 231 @interface EmacsTooltip : NSObject
 232 #endif
 233   {
 234     NSWindow *win;
 235     NSTextField *textField;
 236     NSTimer *timer;
 237   }
 238 - init;
 239 - (void) setText: (char *)text;
 240 - (void) showAtX: (int)x Y: (int)y for: (int)seconds;
 241 - (void) hide;
 242 - (BOOL) isActive;
 243 - (NSRect) frame;
 244 @end
 245
 246
 247 /* ==========================================================================
 248
 249    File open/save panels
 250    This and next override methods to work around OS X behavior of
 251    restarting application loop when user dismisses panel.
 252
 253    ========================================================================== */
 254
 255 @interface EmacsSavePanel : NSSavePanel
 256 {
 257 }
 258 @end
 259 @interface EmacsOpenPanel : NSOpenPanel
 260 {
 261 }
 262 @end
 263
 264 @interface EmacsFileDelegate : NSObject
 265 {
 266 }
 267 - (BOOL)panel: (id)sender isValidFilename: (NSString *)filename;
 268 - (BOOL)panel: (id)sender shouldShowFilename: (NSString *)filename;
 269 - (NSString *)panel: (id)sender userEnteredFilename: (NSString *)filename
 270           confirmed: (BOOL)okFlag;
 271 @end
 272
 273
 274 /* ==========================================================================
 275
 276    Images and stippling
 277
 278    ========================================================================== */
 279
 280 @interface EmacsImage : NSImage
 281 {
 282   id imageListNext;
 283   int refCount;
 284   NSBitmapImageRep *bmRep; /* used for accessing pixel data */
 285   unsigned char *pixmapData[5]; /* shortcut to access pixel data */
 286   NSColor *stippleMask;
 287 }
 288 + allocInitFromFile: (Lisp_Object)file;
 289 - reference;
 290 - imageListSetNext: (id)arg;
 291 - imageListNext;
 292 - (void)dealloc;
 293 - initFromXBM: (unsigned char *)bits width: (int)w height: (int)h
 294          flip: (BOOL)flip;
 295 - initFromSkipXBM: (unsigned char *)bits width: (int)w height: (int)h
 296              flip: (BOOL)flip length: (int)length;
 297 - setXBMColor: (NSColor *)color;
 298 - initForXPMWithDepth: (int)depth width: (int)width height: (int)height;
 299 - (void)setPixmapData;
 300 - (unsigned long)getPixelAtX: (int)x Y: (int)y;
 301 - (void)setPixelAtX: (int)x Y: (int)y toRed: (unsigned char)r
 302                green: (unsigned char)g blue: (unsigned char)b
 303               alpha:(unsigned char)a;
 304 - (void)setAlphaAtX: (int)x Y: (int)y to: (unsigned char)a;
 305 - (NSColor *)stippleMask;
 306 @end
 307
 308
 309 /* ==========================================================================
 310
 311    Scrollbars
 312
 313    ========================================================================== */
 314
 315 @interface EmacsScroller : NSScroller
 316   {
 317    Lisp_Object win;
 318    struct frame *frame;
 319    NSResponder *prevResponder;
 320
 321    /* offset to the bottom of knob of last mouse down */
 322    float last_mouse_offset;
 323    float min_portion;
 324    int pixel_height;
 325    int last_hit_part;
 326
 327    BOOL condemned;
 328
 329    /* optimize against excessive positioning calls generated by emacs */
 330    int em_position;
 331    int em_portion;
 332    int em_whole;
 333    }
 334
 335 - initFrame: (NSRect )r window: (Lisp_Object)win;
 336 - (void)setFrame: (NSRect)r;
 337 - (void)dealloc;
 338
 339 - setPosition: (int) position portion: (int) portion whole: (int) whole;
 340 - (int) checkSamePosition: (int)position portion: (int)portion
 341                     whole: (int)whole;
 342 - (void) getMouseMotionPart: (int *)part window: (Lisp_Object *)window
 343                           x: (Lisp_Object *)x y: ( Lisp_Object *)y;
 344 - (void) sendScrollEventAtLoc: (float)loc fromEvent: (NSEvent *)e;
 345 - repeatScroll: (NSTimer *)sender;
 346 - condemn;
 347 - reprieve;
 348 - judge;
 349 @end
 350
 351
 352 /* ==========================================================================
 353
 354    Rendering
 355
 356    ========================================================================== */
 357
 358 #ifdef NS_IMPL_COCOA
 359 /* rendering util */
 360 @interface EmacsGlyphStorage : NSObject <NSGlyphStorage>
 361 {
 362 @public
 363   NSAttributedString *attrStr;
 364   NSMutableDictionary *dict;
 365   CGGlyph *cglyphs;
 366   unsigned long maxChar, maxGlyph;
 367   long i, len;
 368 }
 369 - initWithCapacity: (unsigned long) c;
 370 - (void) setString: (NSString *)str font: (NSFont *)font;
 371 @end
 372 #endif  /* NS_IMPL_COCOA */
 373
 374 extern NSArray *ns_send_types, *ns_return_types;
 375 extern NSString *ns_app_name;
 376 extern EmacsMenu *mainMenu, *svcsMenu, *dockMenu;
 377
 378 /* Apple removed the declaration, but kept the implementation */
 379 #if defined (NS_IMPL_COCOA)
 380 @interface NSApplication (EmacsApp)
 381 - (void)setAppleMenu: (NSMenu *)menu;
 382 @end
 383 #endif
 384
 385 #ifndef NS_HAVE_NSINTEGER
 386 #if defined (__LP64__) && __LP64__
 387 typedef double CGFloat;
 388 typedef long NSInteger;
 389 typedef unsigned long NSUInteger;
 390 #else
 391 typedef float CGFloat;
 392 typedef int NSInteger;
 393 typedef unsigned int NSUInteger;
 394 #endif /* not LP64 */
 395 #endif /* not NS_HAVE_NSINTEGER */
 396
 397 #endif  /* __OBJC__ */
 398
 399
 400
 401 /* ==========================================================================
 402
 403    Non-OO stuff
 404
 405    ========================================================================== */
 406
 407 /* Special keycodes that we pass down the event chain */
 408 #define KEY_NS_POWER_OFF               ((1<<28)|(0<<16)|1)
 409 #define KEY_NS_OPEN_FILE               ((1<<28)|(0<<16)|2)
 410 #define KEY_NS_OPEN_TEMP_FILE          ((1<<28)|(0<<16)|3)
 411 #define KEY_NS_DRAG_FILE               ((1<<28)|(0<<16)|4)
 412 #define KEY_NS_DRAG_COLOR              ((1<<28)|(0<<16)|5)
 413 #define KEY_NS_DRAG_TEXT               ((1<<28)|(0<<16)|6)
 414 #define KEY_NS_CHANGE_FONT             ((1<<28)|(0<<16)|7)
 415 #define KEY_NS_OPEN_FILE_LINE          ((1<<28)|(0<<16)|8)
 416 #define KEY_NS_PUT_WORKING_TEXT        ((1<<28)|(0<<16)|9)
 417 #define KEY_NS_UNPUT_WORKING_TEXT      ((1<<28)|(0<<16)|10)
 418 #define KEY_NS_SPI_SERVICE_CALL        ((1<<28)|(0<<16)|11)
 419 #define KEY_NS_NEW_FRAME               ((1<<28)|(0<<16)|12)
 420 #define KEY_NS_TOGGLE_TOOLBAR          ((1<<28)|(0<<16)|13)
 421 #define KEY_NS_SHOW_PREFS              ((1<<28)|(0<<16)|14)
 422
 423 /* could use list to store these, but rest of emacs has a big infrastructure
 424    for managing a table of bitmap "records" */
 425 struct ns_bitmap_record
 426 {
 427 #ifdef __OBJC__
 428   EmacsImage *img;
 429 #else
 430   void *img;
 431 #endif
 432   char *file;
 433   int refcount;
 434   int height, width, depth;
 435 };
 436
 437 /* this to map between emacs color indices and NSColor objects */
 438 struct ns_color_table
 439 {
 440   ptrdiff_t size;
 441   ptrdiff_t avail;
 442 #ifdef __OBJC__
 443   NSColor **colors;
 444   NSMutableSet *empty_indices;
 445 #else
 446   void **items;
 447   void *availIndices;
 448 #endif
 449 };
 450 #define NS_COLOR_CAPACITY 256
 451
 452 #define RGB_TO_ULONG(r, g, b) (((r) << 16) | ((g) << 8) | (b))
 453 #define ARGB_TO_ULONG(a, r, g, b) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
 454
 455 #define ALPHA_FROM_ULONG(color) ((color) >> 24)
 456 #define RED_FROM_ULONG(color) (((color) >> 16) & 0xff)
 457 #define GREEN_FROM_ULONG(color) (((color) >> 8) & 0xff)
 458 #define BLUE_FROM_ULONG(color) ((color) & 0xff)
 459
 460 /* Do not change `* 0x101' in the following lines to `<< 8'.  If
 461    changed, image masks in 1-bit depth will not work. */
 462 #define RED16_FROM_ULONG(color) (RED_FROM_ULONG(color) * 0x101)
 463 #define GREEN16_FROM_ULONG(color) (GREEN_FROM_ULONG(color) * 0x101)
 464 #define BLUE16_FROM_ULONG(color) (BLUE_FROM_ULONG(color) * 0x101)
 465
 466 /* this extends font backend font */
 467 struct nsfont_info
 468 {
 469   struct font font;
 470
 471   char *name;  /* PostScript name, uniquely identifies on NS systems */
 472
 473   /* The following metrics are stored as float rather than int. */
 474
 475   float width;  /* Maximum advance for the font.  */
 476   float height;
 477   float underpos;
 478   float underwidth;
 479   float size;
 480 #ifdef __OBJC__
 481   NSFont *nsfont;
 482 #if defined (NS_IMPL_COCOA)
 483   CGFontRef cgfont;
 484 #else /* GNUstep */
 485   void *cgfont;
 486 #endif
 487 #else /* ! OBJC */
 488   void *nsfont;
 489   void *cgfont;
 490 #endif
 491   char bold, ital;  /* convenience flags */
 492   char synthItal;
 493   XCharStruct max_bounds;
 494   /* we compute glyph codes and metrics on-demand in blocks of 256 indexed
 495      by hibyte, lobyte */
 496   unsigned short **glyphs; /* map Unicode index to glyph */
 497   struct font_metrics **metrics;
 498 };
 499
 500
 501 /* init'd in ns_initialize_display_info () */
 502 struct ns_display_info
 503 {
 504   /* Chain of all ns_display_info structures.  */
 505   struct ns_display_info *next;
 506
 507   /* The generic display parameters corresponding to this NS display. */
 508   struct terminal *terminal;
 509
 510   /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
 511      The same cons cell also appears in ns_display_name_list.  */
 512   Lisp_Object name_list_element;
 513
 514   /* The number of fonts loaded. */
 515   int n_fonts;
 516
 517   /* Minimum width over all characters in all fonts in font_table.  */
 518   int smallest_char_width;
 519
 520   /* Minimum font height over all fonts in font_table.  */
 521   int smallest_font_height;
 522
 523   struct ns_bitmap_record *bitmaps;
 524   ptrdiff_t bitmaps_size;
 525   ptrdiff_t bitmaps_last;
 526
 527   struct image_cache *image_cache;
 528
 529   struct ns_color_table *color_table;
 530
 531   /* DPI resolution of this screen */
 532   double resx, resy;
 533
 534   /* Mask of things that cause the mouse to be grabbed */
 535   int grabbed;
 536
 537   int n_planes;
 538
 539   int color_p;
 540
 541   Window root_window;
 542
 543   /* Xism */
 544   XrmDatabase xrdb;
 545
 546   /* The cursor to use for vertical scroll bars. */
 547   Cursor vertical_scroll_bar_cursor;
 548
 549   /* Information about the range of text currently shown in
 550      mouse-face.  */
 551   Mouse_HLInfo mouse_highlight;
 552
 553   struct frame *x_highlight_frame;
 554   struct frame *x_focus_frame;
 555 };
 556
 557 /* This is a chain of structures for all the NS displays currently in use.  */
 558 extern struct ns_display_info *x_display_list;
 559
 560 extern Lisp_Object ns_display_name_list;
 561 extern struct ns_display_info *ns_display_info_for_name (Lisp_Object name);
 562
 563 struct ns_display_info *check_x_display_info (Lisp_Object frame);
 564 FRAME_PTR check_x_frame (Lisp_Object frame);
 565
 566
 567 struct ns_output
 568 {
 569 #ifdef __OBJC__
 570   EmacsView *view;
 571   id miniimage;
 572   NSColor *cursor_color;
 573   NSColor *foreground_color;
 574   NSColor *background_color;
 575   EmacsToolbar *toolbar;
 576 #else
 577   void *view;
 578   void *miniimage;
 579   void *cursor_color;
 580   void *foreground_color;
 581   void *background_color;
 582   void *toolbar;
 583 #endif
 584
 585   /* NSCursors init'ed in initFrameFromEmacs */
 586   Cursor text_cursor;
 587   Cursor nontext_cursor;
 588   Cursor modeline_cursor;
 589   Cursor hand_cursor;
 590   Cursor hourglass_cursor;
 591   Cursor horizontal_drag_cursor;
 592
 593   /* NS-specific */
 594   Cursor current_pointer;
 595
 596   /* lord knows why Emacs needs to know about our Window ids.. */
 597   Window window_desc, parent_desc;
 598   char explicit_parent;
 599
 600   struct font *font;
 601   int baseline_offset;
 602
 603   /* If a fontset is specified for this frame instead of font, this
 604      value contains an ID of the fontset, else -1.  */
 605   int fontset; /* only used with font_backend */
 606
 607   Lisp_Object icon_top;
 608   Lisp_Object icon_left;
 609
 610   /* The size of the extra width currently allotted for vertical
 611      scroll bars, in pixels.  */
 612   int vertical_scroll_bar_extra;
 613
 614   /* The height of the titlebar decoration (included in NSWindow's frame). */
 615   int titlebar_height;
 616
 617   /* The height of the toolbar if displayed, else 0. */
 618   int toolbar_height;
 619
 620   /* This is the Emacs structure for the NS display this frame is on.  */
 621   struct ns_display_info *display_info;
 622
 623   /* Non-zero if we want to constrain the frame to the screen.  */
 624   int dont_constrain;
 625
 626   /* Non-zero if we are zooming (maximizing) the frame.  */
 627   int zooming;
 628 };
 629
 630 /* this dummy decl needed to support TTYs */
 631 struct x_output
 632 {
 633   unsigned long background_pixel;
 634   unsigned long foreground_pixel;
 635 };
 636
 637
 638 /* This gives the ns_display_info structure for the display F is on.  */
 639 #define FRAME_NS_DISPLAY_INFO(f) ((f)->output_data.ns->display_info)
 640 /* the primacy of X must be constantly worked with... */
 641 #define FRAME_X_DISPLAY_INFO(f) ((f)->output_data.ns->display_info)
 642 #define FRAME_X_OUTPUT(f) ((f)->output_data.ns)
 643 #define FRAME_NS_WINDOW(f) ((f)->output_data.ns->window_desc)
 644 #define FRAME_X_WINDOW(f) ((f)->output_data.ns->window_desc)
 645
 646 /* This is the `Display *' which frame F is on.  */
 647 #define FRAME_NS_DISPLAY(f) (0)
 648 #define FRAME_X_DISPLAY(f) (0)
 649 #define FRAME_X_SCREEN(f) (0)
 650 #define FRAME_X_VISUAL(f) FRAME_NS_DISPLAY_INFO(f)->visual
 651
 652 #define FRAME_FOREGROUND_COLOR(f) ((f)->output_data.ns->foreground_color)
 653 #define FRAME_BACKGROUND_COLOR(f) ((f)->output_data.ns->background_color)
 654
 655 #define FRAME_X_IMAGE_CACHE(F) FRAME_NS_DISPLAY_INFO ((F))->image_cache
 656
 657 #define NS_FACE_FOREGROUND(f) ((f)->foreground)
 658 #define NS_FACE_BACKGROUND(f) ((f)->background)
 659 #define FRAME_NS_TITLEBAR_HEIGHT(f) ((f)->output_data.ns->titlebar_height)
 660 #define FRAME_TOOLBAR_HEIGHT(f) ((f)->output_data.ns->toolbar_height)
 661
 662 #define FONT_WIDTH(f)   ((f)->max_width)
 663 #define FONT_HEIGHT(f)  ((f)->height)
 664 /*#define FONT_BASE(f)    ((f)->ascent) */
 665 #define FONT_BASE(f)    (((struct nsfont_info *)f)->max_bounds.ascent)
 666 /*#define FONT_DESCENT(f) ((f)->descent) */
 667 #define FONT_DESCENT(f) (((struct nsfont_info *)f)->max_bounds.descent)
 668
 669 #define FRAME_DEFAULT_FACE(f) FACE_FROM_ID (f, DEFAULT_FACE_ID)
 670
 671 #define FRAME_NS_VIEW(f) ((f)->output_data.ns->view)
 672 #define FRAME_CURSOR_COLOR(f) ((f)->output_data.ns->cursor_color)
 673 #define FRAME_POINTER_TYPE(f) ((f)->output_data.ns->current_pointer)
 674
 675 #define FRAME_FONT(f) ((f)->output_data.ns->font)
 676
 677 #ifdef __OBJC__
 678 #define XNS_SCROLL_BAR(vec) ((id) XSAVE_VALUE (vec)->pointer)
 679 #else
 680 #define XNS_SCROLL_BAR(vec) XSAVE_VALUE (vec)->pointer
 681 #endif
 682
 683 /* Compute pixel size for vertical scroll bars */
 684 #define NS_SCROLL_BAR_WIDTH(f)                              \
 685 (FRAME_HAS_VERTICAL_SCROLL_BARS (f)                          \
 686  ? rint (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) > 0               \
 687         ? FRAME_CONFIG_SCROLL_BAR_WIDTH (f)                 \
 688         : (FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f)))   \
 689  : 0)
 690
 691 /* Difference btwn char-column-calculated and actual SB widths.
 692    This is only a concern for rendering when SB on left. */
 693 #define NS_SCROLL_BAR_ADJUST(w, f)              \
 694 (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w) ?   \
 695     (FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f) \
 696         - NS_SCROLL_BAR_WIDTH (f)) : 0)
 697
 698 /* XXX: fix for GNUstep inconsistent accounting for titlebar */
 699 #ifdef NS_IMPL_GNUSTEP
 700 #define NS_TOP_POS(f) ((f)->top_pos + 18)
 701 #else
 702 #define NS_TOP_POS(f) ((f)->top_pos)
 703 #endif
 704
 705 #define FRAME_NS_FONT_TABLE(f) (FRAME_NS_DISPLAY_INFO (f)->font_table)
 706
 707 #define FRAME_FONTSET(f) ((f)->output_data.ns->fontset)
 708
 709 #define FRAME_SMALLEST_CHAR_WIDTH(f)  \
 710   (FRAME_NS_DISPLAY_INFO (f)->smallest_char_width)
 711 #define FRAME_SMALLEST_FONT_HEIGHT(f) \
 712   (FRAME_NS_DISPLAY_INFO (f)->smallest_font_height)
 713 #define FONT_TYPE_FOR_UNIBYTE(font, ch)   0
 714 #define FONT_TYPE_FOR_MULTIBYTE(font, ch) 0
 715 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.ns->baseline_offset)
 716 #define BLACK_PIX_DEFAULT(f) 0x000000
 717 #define WHITE_PIX_DEFAULT(f) 0xFFFFFF
 718
 719 /* First position where characters can be shown (instead of scrollbar, if
 720    it is on left. */
 721 #define FIRST_CHAR_POSITION(f) \
 722   (! (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)) ? 0 \
 723    : FRAME_SCROLL_BAR_COLS (f))
 724
 725 extern struct ns_display_info *ns_term_init (Lisp_Object display_name);
 726 extern void ns_term_shutdown (int sig);
 727
 728 /* constants for text rendering */
 729 #define NS_DUMPGLYPH_NORMAL             0
 730 #define NS_DUMPGLYPH_CURSOR             1
 731 #define NS_DUMPGLYPH_FOREGROUND         2
 732 #define NS_DUMPGLYPH_MOUSEFACE          3
 733
 734
 735
 736 /* In nsfont, called from fontset.c */
 737 extern void nsfont_make_fontset_for_font (Lisp_Object name,
 738                                          Lisp_Object font_object);
 739
 740 /* In nsfont, for debugging */
 741 struct glyph_string;
 742 void ns_dump_glyphstring (struct glyph_string *s);
 743
 744 /* Implemented in nsterm, published in or needed from nsfns. */
 745 extern Lisp_Object Qfontsize;
 746 extern Lisp_Object ns_list_fonts (FRAME_PTR f, Lisp_Object pattern,
 747                                   int size, int maxnames);
 748 extern void ns_clear_frame (struct frame *f);
 749
 750 extern const char *ns_xlfd_to_fontname (const char *xlfd);
 751
 752 extern void check_ns (void);
 753 extern Lisp_Object ns_map_event_to_object (void);
 754 #ifdef __OBJC__
 755 extern Lisp_Object ns_string_from_pasteboard (id pb);
 756 extern void ns_string_to_pasteboard (id pb, Lisp_Object str);
 757 #endif
 758 extern Lisp_Object ns_get_local_selection (Lisp_Object selection_name,
 759                                            Lisp_Object target_type);
 760 extern void nxatoms_of_nsselect (void);
 761 extern int ns_lisp_to_cursor_type (Lisp_Object arg);
 762 extern Lisp_Object ns_cursor_type_to_lisp (int arg);
 763 extern void ns_set_name_as_filename (struct frame *f);
 764 extern void ns_set_doc_edited (struct frame *f, Lisp_Object arg);
 765
 766 extern bool
 767 ns_defined_color (struct frame *f,
 768                   const char *name,
 769                   XColor *color_def, bool alloc,
 770                   bool makeIndex);
 771 extern void
 772 ns_query_color (void *col, XColor *color_def, int setPixel);
 773
 774 #ifdef __OBJC__
 775 extern Lisp_Object ns_color_to_lisp (NSColor *col);
 776 extern int ns_lisp_to_color (Lisp_Object color, NSColor **col);
 777 extern NSColor *ns_lookup_indexed_color (unsigned long idx, struct frame *f);
 778 extern unsigned long ns_index_color (NSColor *color, struct frame *f);
 779 extern void ns_free_indexed_color (unsigned long idx, struct frame *f);
 780 #endif
 781
 782 /* C access to ObjC functionality */
 783 extern void  ns_release_object (void *obj);
 784 extern void  ns_retain_object (void *obj);
 785 extern void *ns_alloc_autorelease_pool (void);
 786 extern void ns_release_autorelease_pool (void *);
 787 extern const char *ns_get_defaults_value (const char *key);
 788
 789 /* in nsmenu */
 790 extern void update_frame_tool_bar (FRAME_PTR f);
 791 extern void free_frame_tool_bar (FRAME_PTR f);
 792 extern void find_and_call_menu_selection (FRAME_PTR f,
 793     int menu_bar_items_used, Lisp_Object vector, void *client_data);
 794 extern Lisp_Object find_and_return_menu_selection (FRAME_PTR f,
 795                                                    bool keymaps,
 796                                                    void *client_data);
 797 extern Lisp_Object ns_popup_dialog (Lisp_Object position, Lisp_Object contents,
 798                                     Lisp_Object header);
 799
 800 #define NSAPP_DATA2_RUNASSCRIPT 10
 801 extern void ns_run_ascript (void);
 802
 803 extern const char *ns_etc_directory (void);
 804 extern const char *ns_exec_path (void);
 805 extern const char *ns_load_path (void);
 806 extern void syms_of_nsterm (void);
 807 extern void syms_of_nsfns (void);
 808 extern void syms_of_nsmenu (void);
 809 extern void syms_of_nsselect (void);
 810
 811 /* From nsimage.m, needed in image.c */
 812 struct image;
 813 extern void *ns_image_from_XBM (unsigned char *bits, int width, int height);
 814 extern void *ns_image_for_XPM (int width, int height, int depth);
 815 extern void *ns_image_from_file (Lisp_Object file);
 816 extern bool ns_load_image (struct frame *f, struct image *img,
 817                            Lisp_Object spec_file, Lisp_Object spec_data);
 818 extern int ns_image_width (void *img);
 819 extern int ns_image_height (void *img);
 820 extern unsigned long ns_get_pixel (void *img, int x, int y);
 821 extern void ns_put_pixel (void *img, int x, int y, unsigned long argb);
 822 extern void ns_set_alpha (void *img, int x, int y, unsigned char a);
 823
 824 extern int x_display_pixel_height (struct ns_display_info *);
 825 extern int x_display_pixel_width (struct ns_display_info *);
 826
 827 /* This in nsterm.m */
 828 extern int ns_select (int nfds, fd_set *readfds, fd_set *writefds,
 829                       fd_set *exceptfds, EMACS_TIME *timeout,
 830                       sigset_t *sigmask);
 831 extern unsigned long ns_get_rgb_color (struct frame *f,
 832                                        float r, float g, float b, float a);
 833 extern NSPoint last_mouse_motion_position;
 834
 835 /* From nsterm.m, needed in nsfont.m. */
 836 #ifdef __OBJC__
 837 extern void
 838 ns_draw_text_decoration (struct glyph_string *s, struct face *face,
 839                          NSColor *defaultCol, CGFloat width, CGFloat x);
 840 #endif
 841
 842 #ifdef NS_IMPL_GNUSTEP
 843 extern char gnustep_base_version[];  /* version tracking */
 844 #endif
 845
 846 #define MINWIDTH 10
 847 #define MINHEIGHT 10
 848
 849 /* Screen max coordinate
 850  Using larger coordinates causes movewindow/placewindow to abort */
 851 #define SCREENMAX 16000
 852
 853 #define NS_SCROLL_BAR_WIDTH_DEFAULT     [EmacsScroller scrollerWidth]
 854 /* This is to match emacs on other platforms, ugly though it is. */
 855 #define NS_SELECTION_COLOR_DEFAULT      @"LightGoldenrod2";
 856 #define RESIZE_HANDLE_SIZE 12
 857
 858 /* Little utility macros */
 859 #define IN_BOUND(min, x, max) (((x) < (min)) \
 860                                 ? (min) : (((x)>(max)) ? (max) : (x)))
 861 #define SCREENMAXBOUND(x) (IN_BOUND (-SCREENMAX, x, SCREENMAX))
 862
 863 /* needed somewhere... */
 864 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
 865
 866
 867 #endif  /* HAVE_NS */