src/nsterm.h

   1 /* Definitions and headers for communication with NeXT/Open/GNUstep API.
   2    Copyright (C) 1989, 1993, 2005, 2008, 2009, 2010 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 __OBJC__
  29
  30 /* ==========================================================================
  31
  32    The Emacs application
  33
  34    ========================================================================== */
  35
  36 /* We override sendEvent: as a means to stop/start the event loop */
  37 @interface EmacsApp : NSApplication
  38 {
  39 }
  40 - (void)logNotification: (NSNotification *)notification;
  41 - (void)sendEvent: (NSEvent *)theEvent;
  42 - (void)showPreferencesWindow: (id)sender;
  43 - (BOOL) openFile: (NSString *)fileName;
  44 - (void)fd_handler: (NSTimer *) fdEntry;
  45 - (void)timeout_handler: (NSTimer *)timedEntry;
  46 - (BOOL)fulfillService: (NSString *)name withArg: (NSString *)arg;
  47 @end
  48
  49
  50 /* ==========================================================================
  51
  52    The main Emacs view
  53
  54    ========================================================================== */
  55
  56 @class EmacsToolbar;
  57
  58 @interface EmacsView : NSView <NSTextInput> /* 10.6+: NSWindowDelegate */
  59    {
  60    char *old_title;
  61    BOOL windowClosing;
  62    NSString *workingText;
  63    BOOL processingCompose;
  64 @public
  65    struct frame *emacsframe;
  66    int rows, cols;
  67    int scrollbarsNeedingUpdate;
  68    EmacsToolbar *toolbar;
  69    }
  70
  71 /* AppKit-side interface */
  72 - menuDown: sender;
  73 - toolbarClicked: (id)item;
  74 - toggleToolbar: (id)sender;
  75 - (void)keyDown: (NSEvent *)theEvent;
  76 - (void)mouseDown: (NSEvent *)theEvent;
  77 - (void)mouseUp: (NSEvent *)theEvent;
  78 - setMiniwindowImage: (BOOL)setMini;
  79
  80 /* Emacs-side interface */
  81 - initFrameFromEmacs: (struct frame *) f;
  82 - (void) setRows: (int) r andColumns: (int) c;
  83 - (void) setWindowClosing: (BOOL)closing;
  84 - (EmacsToolbar *) toolbar;
  85 - (void) deleteWorkingText;
  86
  87 #ifdef NS_IMPL_GNUSTEP
  88 /* Not declared, but useful. */
  89 - (void) unlockFocusNeedsFlush: (BOOL)needs;
  90 #endif
  91 @end
  92
  93
  94 /* Small utility used for processing resize events under Cocoa. */
  95 @interface EmacsWindow : NSWindow
  96 {
  97   NSPoint grabOffset;
  98 }
  99 @end
 100
 101
 102 /* ==========================================================================
 103
 104    The main menu implementation
 105
 106    ========================================================================== */
 107
 108 @interface EmacsMenu : NSMenu  /* 10.6+: <NSMenuDelegate> */
 109 {
 110   struct frame *frame;
 111   unsigned long keyEquivModMask;
 112 }
 113
 114 - initWithTitle: (NSString *)title frame: (struct frame *)f;
 115 - (void)setFrame: (struct frame *)f;
 116 - (void)menuNeedsUpdate: (NSMenu *)menu; /* (delegate method) */
 117 - (NSString *)parseKeyEquiv: (const char *)key;
 118 - (NSMenuItem *)addItemWithWidgetValue: (void *)wvptr;
 119 - (void)fillWithWidgetValue: (void *)wvptr;
 120 - (EmacsMenu *)addSubmenuWithTitle: (const char *)title forFrame: (struct frame *)f;
 121 - (void) clear;
 122 - (Lisp_Object)runMenuAt: (NSPoint)p forFrame: (struct frame *)f
 123                  keymaps: (int)keymaps;
 124 @end
 125
 126
 127 /* ==========================================================================
 128
 129    Toolbar
 130
 131    ========================================================================== */
 132
 133 @class EmacsImage;
 134
 135 @interface EmacsToolbar : NSToolbar  /* 10.6+: <NSToolbarDelegate> */
 136    {
 137      EmacsView *emacsView;
 138      NSMutableDictionary *identifierToItem;
 139      NSMutableArray *activeIdentifiers;
 140      NSArray *prevIdentifiers;
 141      unsigned long enablement, prevEnablement;
 142    }
 143 - initForView: (EmacsView *)view withIdentifier: (NSString *)identifier;
 144 - (void) clearActive;
 145 - (BOOL) changed;
 146 - (void) addDisplayItemWithImage: (EmacsImage *)img idx: (int)idx
 147                         helpText: (const char *)help
 148                          enabled: (BOOL)enabled;
 149 /* delegate methods */
 150 - (NSToolbarItem *)toolbar: (NSToolbar *)toolbar
 151      itemForItemIdentifier: (NSString *)itemIdentifier
 152  willBeInsertedIntoToolbar: (BOOL)flag;
 153 - (NSArray *)toolbarDefaultItemIdentifiers: (NSToolbar *)toolbar;
 154 - (NSArray *)toolbarAllowedItemIdentifiers: (NSToolbar *)toolbar;
 155 @end
 156
 157
 158 /* ==========================================================================
 159
 160    Message / question windows
 161
 162    ========================================================================== */
 163
 164 @interface EmacsDialogPanel : NSPanel
 165    {
 166    NSTextField *command;
 167    NSTextField *title;
 168    NSMatrix *matrix;
 169    int rows, cols;
 170    }
 171 - initFromContents: (Lisp_Object)menu isQuestion: (BOOL)isQ;
 172 - addButton: (char *)str value: (Lisp_Object)val row: (int)row;
 173 - addString: (char *)str row: (int)row;
 174 - addSplit;
 175 - (Lisp_Object)runDialogAt: (NSPoint)p;
 176 @end
 177
 178 @interface EmacsTooltip : NSObject  /* 10.6+: <NSWindowDelegate> */
 179   {
 180     NSWindow *win;
 181     NSTextField *textField;
 182     NSTimer *timer;
 183   }
 184 - init;
 185 - (void) setText: (char *)text;
 186 - (void) showAtX: (int)x Y: (int)y for: (int)seconds;
 187 - (void) hide;
 188 - (BOOL) isActive;
 189 - (NSRect) frame;
 190 @end
 191
 192
 193 /* ==========================================================================
 194
 195    File open/save panels
 196    This and next override methods to work around OS X behavior of
 197    restarting application loop when user dismisses panel.
 198
 199    ========================================================================== */
 200
 201 @interface EmacsSavePanel : NSSavePanel
 202 {
 203 }
 204 @end
 205 @interface EmacsOpenPanel : NSOpenPanel
 206 {
 207 }
 208 @end
 209
 210 @interface EmacsFileDelegate : NSObject
 211 {
 212 }
 213 - (BOOL)panel: (id)sender isValidFilename: (NSString *)filename;
 214 - (BOOL)panel: (id)sender shouldShowFilename: (NSString *)filename;
 215 - (NSString *)panel: (id)sender userEnteredFilename: (NSString *)filename
 216           confirmed: (BOOL)okFlag;
 217 @end
 218
 219
 220 /* ==========================================================================
 221
 222    Images and stippling
 223
 224    ========================================================================== */
 225
 226 @interface EmacsImage : NSImage
 227 {
 228   id imageListNext;
 229   int refCount;
 230   NSBitmapImageRep *bmRep; /* used for accessing pixel data */
 231   unsigned char *pixmapData[5]; /* shortcut to access pixel data */
 232   BOOL onTiger;
 233   NSColor *stippleMask;
 234 }
 235 + allocInitFromFile: (Lisp_Object)file;
 236 - reference;
 237 - imageListSetNext: (id)arg;
 238 - imageListNext;
 239 - (void)dealloc;
 240 - initFromXBM: (unsigned char *)bits width: (int)w height: (int)h
 241          flip: (BOOL)flip;
 242 - initFromSkipXBM: (unsigned char *)bits width: (int)w height: (int)h
 243              flip: (BOOL)flip length: (int)length;
 244 - setXBMColor: (NSColor *)color;
 245 - initForXPMWithDepth: (int)depth width: (int)width height: (int)height;
 246 - (void)setPixmapData;
 247 - (unsigned long)getPixelAtX: (int)x Y: (int)y;
 248 - (void)setPixelAtX: (int)x Y: (int)y toRed: (unsigned char)r
 249                green: (unsigned char)g blue: (unsigned char)b
 250               alpha:(unsigned char)a;
 251 - (void)setAlphaAtX: (int)x Y: (int)y to: (unsigned char)a;
 252 - (NSColor *)stippleMask;
 253 @end
 254
 255
 256 /* ==========================================================================
 257
 258    Scrollbars
 259
 260    ========================================================================== */
 261
 262 @interface EmacsScroller : NSScroller
 263   {
 264    Lisp_Object win;
 265    struct frame *frame;
 266    NSResponder *prevResponder;
 267
 268    /* offset to the bottom of knob of last mouse down */
 269    float last_mouse_offset;
 270    float min_portion;
 271    int pixel_height;
 272    int last_hit_part;
 273
 274    BOOL condemned;
 275
 276    /* optimize against excessive positioning calls generated by emacs */
 277    int em_position;
 278    int em_portion;
 279    int em_whole;
 280    }
 281
 282 - initFrame: (NSRect )r window: (Lisp_Object)win;
 283 - (void)setFrame: (NSRect)r;
 284 - (void)dealloc;
 285
 286 - setPosition: (int) position portion: (int) portion whole: (int) whole;
 287 - (int) checkSamePosition: (int)position portion: (int)portion
 288                     whole: (int)whole;
 289 - (void) getMouseMotionPart: (int *)part window: (Lisp_Object *)window
 290                           x: (Lisp_Object *)x y: ( Lisp_Object *)y;
 291 - (void) sendScrollEventAtLoc: (float)loc fromEvent: (NSEvent *)e;
 292 - repeatScroll: (NSTimer *)sender;
 293 - condemn;
 294 - reprieve;
 295 - judge;
 296 @end
 297
 298
 299 /* ==========================================================================
 300
 301    Rendering on Panther and above
 302
 303    ========================================================================== */
 304
 305 #ifdef NS_IMPL_COCOA
 306 /* rendering util */
 307 @interface EmacsGlyphStorage : NSObject <NSGlyphStorage>
 308 {
 309 @public
 310   NSAttributedString *attrStr;
 311   NSMutableDictionary *dict;
 312   CGGlyph *cglyphs;
 313   unsigned long maxChar, maxGlyph;
 314   long i, len;
 315 }
 316 - initWithCapacity: (unsigned long) c;
 317 - (void) setString: (NSString *)str font: (NSFont *)font;
 318 @end
 319 #endif  /* NS_IMPL_COCOA */
 320
 321 extern NSArray *ns_send_types, *ns_return_types;
 322 extern NSString *ns_app_name;
 323 extern EmacsMenu *mainMenu, *svcsMenu, *dockMenu;
 324
 325 /* Apple removed the declaration, but kept the implementation */
 326 #if defined (NS_IMPL_COCOA) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
 327 @interface NSApplication (EmacsApp)
 328 - (void)setAppleMenu: (NSMenu *)menu;
 329 @end
 330 #endif
 331
 332 #ifndef NS_HAVE_NSINTEGER
 333 #if defined(__LP64__) && __LP64__
 334 typedef double CGFloat;
 335 typedef long NSInteger;
 336 typedef unsigned long NSUInteger;
 337 #else
 338 typedef float CGFloat;
 339 typedef int NSInteger;
 340 typedef unsigned int NSUInteger;
 341 #endif /* not LP64 */
 342 #endif /* not NS_HAVE_NSINTEGER */
 343
 344 #endif  /* __OBJC__ */
 345
 346
 347
 348 /* ==========================================================================
 349
 350    Non-OO stuff
 351
 352    ========================================================================== */
 353
 354 /* Special keycodes that we pass down the event chain */
 355 #define KEY_NS_POWER_OFF               ((1<<28)|(0<<16)|1)
 356 #define KEY_NS_OPEN_FILE               ((1<<28)|(0<<16)|2)
 357 #define KEY_NS_OPEN_TEMP_FILE          ((1<<28)|(0<<16)|3)
 358 #define KEY_NS_DRAG_FILE               ((1<<28)|(0<<16)|4)
 359 #define KEY_NS_DRAG_COLOR              ((1<<28)|(0<<16)|5)
 360 #define KEY_NS_DRAG_TEXT               ((1<<28)|(0<<16)|6)
 361 #define KEY_NS_CHANGE_FONT             ((1<<28)|(0<<16)|7)
 362 #define KEY_NS_OPEN_FILE_LINE          ((1<<28)|(0<<16)|8)
 363 #define KEY_NS_PUT_WORKING_TEXT        ((1<<28)|(0<<16)|9)
 364 #define KEY_NS_UNPUT_WORKING_TEXT      ((1<<28)|(0<<16)|10)
 365 #define KEY_NS_SPI_SERVICE_CALL        ((1<<28)|(0<<16)|11)
 366 #define KEY_NS_NEW_FRAME               ((1<<28)|(0<<16)|12)
 367 #define KEY_NS_TOGGLE_TOOLBAR          ((1<<28)|(0<<16)|13)
 368 #define KEY_NS_SHOW_PREFS              ((1<<28)|(0<<16)|14)
 369
 370 /* could use list to store these, but rest of emacs has a big infrastructure
 371    for managing a table of bitmap "records" */
 372 struct ns_bitmap_record
 373 {
 374 #ifdef __OBJC__
 375   EmacsImage *img;
 376 #else
 377   void *img;
 378 #endif
 379   char *file;
 380   int refcount;
 381   int height, width, depth;
 382 };
 383
 384 /* this to map between emacs color indices and NSColor objects */
 385 struct ns_color_table
 386 {
 387   unsigned int size;
 388   unsigned int avail;
 389 #ifdef __OBJC__
 390   NSColor **colors;
 391   NSMutableSet *empty_indices;
 392 #else
 393   void **items;
 394   void *availIndices;
 395 #endif
 396 };
 397 #define NS_COLOR_CAPACITY 256
 398
 399 #define RGB_TO_ULONG(r, g, b) (((r) << 16) | ((g) << 8) | (b))
 400 #define ARGB_TO_ULONG(a, r, g, b) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
 401
 402 #define ALPHA_FROM_ULONG(color) ((color) >> 24)
 403 #define RED_FROM_ULONG(color) (((color) >> 16) & 0xff)
 404 #define GREEN_FROM_ULONG(color) (((color) >> 8) & 0xff)
 405 #define BLUE_FROM_ULONG(color) ((color) & 0xff)
 406
 407 /* Do not change `* 0x101' in the following lines to `<< 8'.  If
 408    changed, image masks in 1-bit depth will not work. */
 409 #define RED16_FROM_ULONG(color) (RED_FROM_ULONG(color) * 0x101)
 410 #define GREEN16_FROM_ULONG(color) (GREEN_FROM_ULONG(color) * 0x101)
 411 #define BLUE16_FROM_ULONG(color) (BLUE_FROM_ULONG(color) * 0x101)
 412
 413 /* this extends font backend font */
 414 struct nsfont_info
 415 {
 416   struct font font;
 417
 418   char *name;  /* postscript name, uniquely identifies on NS systems */
 419   float width;  /* this and following metrics stored as float rather than int */
 420   float height;
 421   float underpos;
 422   float underwidth;
 423   float size;
 424 #ifdef __OBJC__
 425   NSFont *nsfont;
 426   /* cgfont and synthItal are used only on OS X 10.3+ */
 427 #if defined (NS_IMPL_COCOA) && (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3)
 428   CGFontRef cgfont;
 429 #else /* GNUstep or OS X < 10.3 */
 430   void *cgfont;
 431 #endif
 432 #else /* ! OBJC */
 433   void *nsfont;
 434   void *cgfont;
 435 #endif
 436   char bold, ital;  /* convenience flags */
 437   char synthItal;
 438   float voffset;  /* mean of ascender/descender offsets */
 439   XCharStruct max_bounds;
 440   /* we compute glyph codes and metrics on-demand in blocks of 256 indexed
 441      by hibyte, lobyte */
 442   unsigned short **glyphs; /* map unicode index to glyph */
 443   struct font_metrics **metrics;
 444 };
 445
 446
 447 /* init'd in ns_initialize_display_info () */
 448 struct ns_display_info
 449 {
 450   /* Chain of all ns_display_info structures.  */
 451   struct ns_display_info *next;
 452
 453   /* The generic display parameters corresponding to this NS display. */
 454   struct terminal *terminal;
 455
 456   /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
 457      The same cons cell also appears in ns_display_name_list.  */
 458   Lisp_Object name_list_element;
 459
 460   /* The number of fonts loaded. */
 461   int n_fonts;
 462
 463   /* Minimum width over all characters in all fonts in font_table.  */
 464   int smallest_char_width;
 465
 466   /* Minimum font height over all fonts in font_table.  */
 467   int smallest_font_height;
 468
 469   struct ns_bitmap_record *bitmaps;
 470   int bitmaps_size;
 471   int bitmaps_last;
 472
 473   struct image_cache *image_cache;
 474
 475   struct ns_color_table *color_table;
 476
 477   /* DPI resolution of this screen */
 478   double resx, resy;
 479
 480   /* Mask of things that cause the mouse to be grabbed */
 481   int grabbed;
 482
 483   int n_planes;
 484
 485   int color_p;
 486
 487   Window root_window;
 488
 489   /* Xism */
 490   XrmDatabase xrdb;
 491
 492   /* The cursor to use for vertical scroll bars. */
 493   Cursor vertical_scroll_bar_cursor;
 494
 495   /* Information about the range of text currently shown in
 496      mouse-face.  */
 497   Mouse_HLInfo mouse_highlight;
 498
 499   struct frame *x_highlight_frame;
 500   struct frame *x_focus_frame;
 501 };
 502
 503 /* This is a chain of structures for all the NS displays currently in use.  */
 504 extern struct ns_display_info *x_display_list;
 505
 506 extern Lisp_Object ns_display_name_list;
 507 extern struct ns_display_info *ns_display_info_for_name ();
 508
 509 struct ns_display_info *check_x_display_info (Lisp_Object frame);
 510 FRAME_PTR check_x_frame (Lisp_Object frame);
 511
 512
 513 struct ns_output
 514 {
 515 #ifdef __OBJC__
 516   EmacsView *view;
 517   id miniimage;
 518   NSColor *cursor_color;
 519   NSColor *foreground_color;
 520   NSColor *background_color;
 521   EmacsToolbar *toolbar;
 522 #else
 523   void *view;
 524   void *miniimage;
 525   void *cursor_color;
 526   void *foreground_color;
 527   void *background_color;
 528   void *toolbar;
 529 #endif
 530
 531   /* NSCursors init'ed in initFrameFromEmacs */
 532   Cursor text_cursor;
 533   Cursor nontext_cursor;
 534   Cursor modeline_cursor;
 535   Cursor hand_cursor;
 536   Cursor hourglass_cursor;
 537   Cursor horizontal_drag_cursor;
 538
 539   /* NS-specific */
 540   Cursor current_pointer;
 541
 542   /* lord knows why Emacs needs to know about our Window ids.. */
 543   Window window_desc, parent_desc;
 544   char explicit_parent;
 545
 546   struct font *font;
 547   int baseline_offset;
 548
 549   /* If a fontset is specified for this frame instead of font, this
 550      value contains an ID of the fontset, else -1.  */
 551   int fontset; /* only used with font_backend */
 552
 553   Lisp_Object icon_top;
 554   Lisp_Object icon_left;
 555
 556   /* The size of the extra width currently allotted for vertical
 557      scroll bars, in pixels.  */
 558   int vertical_scroll_bar_extra;
 559
 560   /* The height of the titlebar decoration (included in NSWindow's frame). */
 561   int titlebar_height;
 562
 563   /* The height of the toolbar if displayed, else 0. */
 564   int toolbar_height;
 565
 566   /* This is the Emacs structure for the NS display this frame is on.  */
 567   struct ns_display_info *display_info;
 568 };
 569
 570 /* this dummy decl needed to support TTYs */
 571 struct x_output
 572 {
 573   unsigned long background_pixel;
 574   unsigned long foreground_pixel;
 575 };
 576
 577
 578 /* This gives the ns_display_info structure for the display F is on.  */
 579 #define FRAME_NS_DISPLAY_INFO(f) ((f)->output_data.ns->display_info)
 580 /* the primacy of X must be constantly worked with... */
 581 #define FRAME_X_DISPLAY_INFO(f) ((f)->output_data.ns->display_info)
 582 #define FRAME_X_OUTPUT(f) ((f)->output_data.ns)
 583 #define FRAME_NS_WINDOW(f) ((f)->output_data.ns->window_desc)
 584 #define FRAME_X_WINDOW(f) ((f)->output_data.ns->window_desc)
 585
 586 /* This is the `Display *' which frame F is on.  */
 587 #define FRAME_NS_DISPLAY(f) (0)
 588 #define FRAME_X_DISPLAY(f) (0)
 589
 590 #define FRAME_FOREGROUND_COLOR(f) ((f)->output_data.ns->foreground_color)
 591 #define FRAME_BACKGROUND_COLOR(f) ((f)->output_data.ns->background_color)
 592
 593 #define FRAME_X_IMAGE_CACHE(F) FRAME_NS_DISPLAY_INFO ((F))->image_cache
 594
 595 #define NS_FACE_FOREGROUND(f) ((f)->foreground)
 596 #define NS_FACE_BACKGROUND(f) ((f)->background)
 597 #define FRAME_NS_TITLEBAR_HEIGHT(f) ((f)->output_data.ns->titlebar_height)
 598 #define FRAME_TOOLBAR_HEIGHT(f) ((f)->output_data.ns->toolbar_height)
 599
 600 #define FONT_WIDTH(f)   ((f)->max_width)
 601 #define FONT_HEIGHT(f)  ((f)->height)
 602 /*#define FONT_BASE(f)    ((f)->ascent) */
 603 #define FONT_BASE(f)    (((struct nsfont_info *)f)->max_bounds.ascent)
 604 /*#define FONT_DESCENT(f) ((f)->descent) */
 605 #define FONT_DESCENT(f) (((struct nsfont_info *)f)->max_bounds.descent)
 606
 607 #define FRAME_DEFAULT_FACE(f) FACE_FROM_ID (f, DEFAULT_FACE_ID)
 608
 609 #define FRAME_NS_VIEW(f) ((f)->output_data.ns->view)
 610 #define FRAME_CURSOR_COLOR(f) ((f)->output_data.ns->cursor_color)
 611 #define FRAME_POINTER_TYPE(f) ((f)->output_data.ns->current_pointer)
 612
 613 #define FRAME_FONT(f) ((f)->output_data.ns->font)
 614
 615 #ifdef __OBJC__
 616 #define XNS_SCROLL_BAR(vec) ((id) XSAVE_VALUE (vec)->pointer)
 617 #else
 618 #define XNS_SCROLL_BAR(vec) XSAVE_VALUE (vec)->pointer
 619 #endif
 620
 621 /* Compute pixel size for vertical scroll bars */
 622 #define NS_SCROLL_BAR_WIDTH(f)                              \
 623 (FRAME_HAS_VERTICAL_SCROLL_BARS (f)                          \
 624  ? rint (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) > 0               \
 625         ? FRAME_CONFIG_SCROLL_BAR_WIDTH (f)                 \
 626         : (FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f)))   \
 627  : 0)
 628
 629 /* Difference btwn char-column-calculated and actual SB widths.
 630    This is only a concern for rendering when SB on left. */
 631 #define NS_SCROLL_BAR_ADJUST(w, f)              \
 632 (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w) ?   \
 633     (FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f) \
 634         - NS_SCROLL_BAR_WIDTH (f)) : 0)
 635
 636 /* XXX: fix for GNUstep inconsistent accounting for titlebar */
 637 #ifdef NS_IMPL_GNUSTEP
 638 #define NS_TOP_POS(f) ((f)->top_pos + 18)
 639 #else
 640 #define NS_TOP_POS(f) ((f)->top_pos)
 641 #endif
 642
 643 #define FRAME_NS_FONT_TABLE(f) (FRAME_NS_DISPLAY_INFO (f)->font_table)
 644
 645 #define FRAME_FONTSET(f) ((f)->output_data.ns->fontset)
 646
 647 #define FRAME_SMALLEST_CHAR_WIDTH(f)  \
 648   (FRAME_NS_DISPLAY_INFO (f)->smallest_char_width)
 649 #define FRAME_SMALLEST_FONT_HEIGHT(f) \
 650   (FRAME_NS_DISPLAY_INFO (f)->smallest_font_height)
 651 #define FONT_TYPE_FOR_UNIBYTE(font, ch)   0
 652 #define FONT_TYPE_FOR_MULTIBYTE(font, ch) 0
 653 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.ns->baseline_offset)
 654 #define BLACK_PIX_DEFAULT(f) 0x000000
 655 #define WHITE_PIX_DEFAULT(f) 0xFFFFFF
 656
 657 /* First position where characters can be shown (instead of scrollbar, if
 658    it is on left. */
 659 #define FIRST_CHAR_POSITION(f) \
 660   (! (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)) ? 0 \
 661    : FRAME_SCROLL_BAR_COLS (f))
 662
 663 extern struct ns_display_info *ns_term_init ();
 664 extern void ns_term_shutdown (int sig);
 665
 666 /* constants for text rendering */
 667 #define NS_DUMPGLYPH_NORMAL             0
 668 #define NS_DUMPGLYPH_CURSOR             1
 669 #define NS_DUMPGLYPH_FOREGROUND         2
 670 #define NS_DUMPGLYPH_MOUSEFACE          3
 671
 672
 673 EXFUN (Fx_display_grayscale_p, 1);
 674 EXFUN (Fx_display_planes, 1);
 675
 676 /* In nsfont, called from fontset.c */
 677 extern void nsfont_make_fontset_for_font (Lisp_Object name,
 678                                          Lisp_Object font_object);
 679
 680 /* In nsfont, for debugging */
 681 struct glyph_string;
 682 void ns_dump_glyphstring (struct glyph_string *s);
 683
 684 /* Implemented in nsterm, published in or needed from nsfns. */
 685 extern Lisp_Object Qfontsize;
 686 extern Lisp_Object ns_list_fonts (FRAME_PTR f, Lisp_Object pattern,
 687                                   int size, int maxnames);
 688 extern void ns_clear_frame (struct frame *f);
 689
 690 extern const char *ns_xlfd_to_fontname (const char *xlfd);
 691
 692 extern void check_ns (void);
 693 extern Lisp_Object ns_map_event_to_object ();
 694 extern Lisp_Object ns_string_from_pasteboard ();
 695 extern void ns_string_to_pasteboard ();
 696 extern void nxatoms_of_nsselect ();
 697 extern int ns_lisp_to_cursor_type ();
 698 extern Lisp_Object ns_cursor_type_to_lisp (int arg);
 699 extern Lisp_Object Qnone;
 700 extern void ns_set_name_as_filename (struct frame *f);
 701 extern void ns_set_doc_edited (struct frame *f, Lisp_Object arg);
 702
 703 extern int
 704 ns_defined_color (struct frame *f,
 705                   const char *name,
 706                   XColor *color_def, int alloc,
 707                   char makeIndex);
 708 extern void
 709 ns_query_color (void *col, XColor *color_def, int setPixel);
 710
 711 #ifdef __OBJC__
 712 extern Lisp_Object ns_color_to_lisp (NSColor *col);
 713 extern int ns_lisp_to_color (Lisp_Object color, NSColor **col);
 714 extern NSColor *ns_lookup_indexed_color (unsigned long idx, struct frame *f);
 715 extern unsigned long ns_index_color (NSColor *color, struct frame *f);
 716 extern void ns_free_indexed_color (unsigned long idx, struct frame *f);
 717 #endif
 718
 719 /* C access to ObjC functionality */
 720 extern void  ns_release_object (void *obj);
 721 extern void  ns_retain_object (void *obj);
 722 extern void *ns_alloc_autorelease_pool ();
 723 extern void ns_release_autorelease_pool ();
 724
 725 /* in nsmenu */
 726 extern void update_frame_tool_bar (FRAME_PTR f);
 727 extern void free_frame_tool_bar (FRAME_PTR f);
 728 extern void find_and_call_menu_selection (FRAME_PTR f,
 729     int menu_bar_items_used, Lisp_Object vector, void *client_data);
 730 extern Lisp_Object find_and_return_menu_selection (FRAME_PTR f,
 731                                                    int keymaps,
 732                                                    void *client_data);
 733 extern Lisp_Object ns_popup_dialog (Lisp_Object position, Lisp_Object contents,
 734                                     Lisp_Object header);
 735
 736 /* More prototypes that should be moved to a more general include file */
 737 extern void set_frame_menubar (struct frame *f, int first_time, int deep_p);
 738 extern void x_set_window_size (struct frame *f, int change_grav,
 739                               int cols, int rows);
 740 extern void x_sync (struct frame *);
 741 extern Lisp_Object x_get_focus_frame (struct frame *);
 742 extern void x_set_mouse_position (struct frame *f, int h, int v);
 743 extern void x_set_mouse_pixel_position (struct frame *f, int pix_x, int pix_y);
 744 extern void x_make_frame_visible (struct frame *f);
 745 extern void x_make_frame_invisible (struct frame *f);
 746 extern void x_iconify_frame (struct frame *f);
 747 extern int x_char_width (struct frame *f);
 748 extern int x_char_height (struct frame *f);
 749 extern int x_pixel_width (struct frame *f);
 750 extern int x_pixel_height (struct frame *f);
 751 extern void x_set_frame_alpha (struct frame *f);
 752 extern void x_set_menu_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
 753 extern void x_set_tool_bar_lines (struct frame *f,
 754                                   Lisp_Object value,
 755                                   Lisp_Object oldval);
 756 extern void x_activate_menubar (struct frame *);
 757 extern void free_frame_menubar (struct frame *);
 758
 759 extern void ns_init_paths (void);
 760 extern void syms_of_nsterm (void);
 761 extern void syms_of_nsfns (void);
 762 extern void syms_of_nsmenu (void);
 763 extern void syms_of_nsselect (void);
 764
 765 /* From nsimage.m, needed in image.c */
 766 struct image;
 767 extern void *ns_image_from_XBM (unsigned char *bits, int width, int height);
 768 extern void *ns_image_for_XPM (int width, int height, int depth);
 769 extern void *ns_image_from_file (Lisp_Object file);
 770 extern int ns_load_image (struct frame *f, struct image *img,
 771                           Lisp_Object spec_file, Lisp_Object spec_data);
 772 extern int ns_image_width (void *img);
 773 extern int ns_image_height (void *img);
 774 extern unsigned long ns_get_pixel (void *img, int x, int y);
 775 extern void ns_put_pixel (void *img, int x, int y, unsigned long argb);
 776 extern void ns_set_alpha (void *img, int x, int y, unsigned char a);
 777
 778 extern int x_display_pixel_height (struct ns_display_info *);
 779 extern int x_display_pixel_width (struct ns_display_info *);
 780
 781 /* This in nsterm.m */
 782 extern int ns_select (int nfds, fd_set *readfds, fd_set *writefds,
 783                       fd_set *exceptfds, struct timeval *timeout);
 784 extern unsigned long ns_get_rgb_color (struct frame *f,
 785                                        float r, float g, float b, float a);
 786 extern NSPoint last_mouse_motion_position;
 787
 788 #ifdef NS_IMPL_GNUSTEP
 789 extern char gnustep_base_version[];  /* version tracking */
 790 #endif
 791
 792 #define MINWIDTH 10
 793 #define MINHEIGHT 10
 794
 795 /* Screen max coordinate
 796  Using larger coordinates causes movewindow/placewindow to abort */
 797 #define SCREENMAX 16000
 798
 799 #define NS_SCROLL_BAR_WIDTH_DEFAULT     [EmacsScroller scrollerWidth]
 800 /* This is to match emacs on other platforms, ugly though it is. */
 801 #define NS_SELECTION_COLOR_DEFAULT      @"LightGoldenrod2";
 802 #define RESIZE_HANDLE_SIZE 12
 803
 804 /* Little utility macros */
 805 #define IN_BOUND(min, x, max) (((x) < (min)) \
 806                                 ? (min) : (((x)>(max)) ? (max) : (x)))
 807 #define SCREENMAXBOUND(x) (IN_BOUND (-SCREENMAX, x, SCREENMAX))
 808
 809 /* needed somewhere... */
 810 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
 811
 812
 813 #endif  /* HAVE_NS */
 814
 815 /* arch-tag: 0a28b142-4ac1-4a81-a243-abcd82d9c4e5
 816    (do not change this comment) */