src/macterm.h

   1 /* Display module for Mac OS.
   2    Copyright (C) 2000, 2001, 2002, 2003, 2004,
   3                  2005, 2006, 2007, 2008 Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3, or (at your option)
  10 any later version.
  11
  12 GNU Emacs is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Emacs; see the file COPYING.  If not, write to
  19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20 Boston, MA 02110-1301, USA.  */
  21
  22 /* Contributed by Andrew Choi (akochoi@mac.com).  */
  23
  24 #include "macgui.h"
  25 #include "frame.h"
  26
  27 #define RGB_TO_ULONG(r, g, b) (((r) << 16) | ((g) << 8) | (b))
  28 #define ARGB_TO_ULONG(a, r, g, b) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
  29
  30 #define ALPHA_FROM_ULONG(color) ((color) >> 24)
  31 #define RED_FROM_ULONG(color) (((color) >> 16) & 0xff)
  32 #define GREEN_FROM_ULONG(color) (((color) >> 8) & 0xff)
  33 #define BLUE_FROM_ULONG(color) ((color) & 0xff)
  34
  35 /* Do not change `* 0x101' in the following lines to `<< 8'.  If
  36    changed, image masks in 1-bit depth will not work. */
  37 #define RED16_FROM_ULONG(color) (RED_FROM_ULONG(color) * 0x101)
  38 #define GREEN16_FROM_ULONG(color) (GREEN_FROM_ULONG(color) * 0x101)
  39 #define BLUE16_FROM_ULONG(color) (BLUE_FROM_ULONG(color) * 0x101)
  40
  41 #define BLACK_PIX_DEFAULT(f) RGB_TO_ULONG(0,0,0)
  42 #define WHITE_PIX_DEFAULT(f) RGB_TO_ULONG(255,255,255)
  43
  44 #define FONT_WIDTH(f)   ((f)->max_bounds.width)
  45 #define FONT_HEIGHT(f)  ((f)->ascent + (f)->descent)
  46 #define FONT_BASE(f)    ((f)->ascent)
  47 #define FONT_DESCENT(f) ((f)->descent)
  48
  49 /* Structure recording bitmaps and reference count.
  50    If REFCOUNT is 0 then this record is free to be reused.  */
  51
  52 struct mac_bitmap_record
  53 {
  54   char *bitmap_data;
  55   char *file;
  56   int refcount;
  57   int height, width;
  58 };
  59
  60
  61 /* For each display (currently only one on mac), we have a structure that
  62    records information about it.  */
  63
  64 struct mac_display_info
  65 {
  66   /* Chain of all mac_display_info structures.  */
  67   struct mac_display_info *next;
  68
  69   /* The generic display parameters corresponding to this X display. */
  70   struct terminal *terminal;
  71
  72   /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
  73      The same cons cell also appears in x_display_name_list.  */
  74   Lisp_Object name_list_element;
  75
  76   /* Number of frames that are on this display.  */
  77   int reference_count;
  78
  79   /* Dots per inch of the screen.  */
  80   double resx, resy;
  81
  82   /* Number of planes on this screen.  */
  83   int n_planes;
  84
  85   /* Whether the screen supports color */
  86   int color_p;
  87
  88   /* Dimensions of this screen.  */
  89   int height, width;
  90
  91   /* Mask of things that cause the mouse to be grabbed.  */
  92   int grabbed;
  93
  94 #if 0
  95   /* Emacs bitmap-id of the default icon bitmap for this frame.
  96      Or -1 if none has been allocated yet.  */
  97   int icon_bitmap_id;
  98
  99 #endif
 100   /* The root window of this screen.  */
 101   Window root_window;
 102
 103   /* The cursor to use for vertical scroll bars.  */
 104   Cursor vertical_scroll_bar_cursor;
 105
 106   /* Resource data base */
 107   XrmDatabase xrdb;
 108
 109   /* A table of all the fonts we have already loaded.  */
 110   struct font_info *font_table;
 111
 112   /* The current capacity of font_table.  */
 113   int font_table_size;
 114
 115   /* Minimum width over all characters in all fonts in font_table.  */
 116   int smallest_char_width;
 117
 118   /* Minimum font height over all fonts in font_table.  */
 119   int smallest_font_height;
 120
 121   /* Reusable Graphics Context for drawing a cursor in a non-default face. */
 122   GC scratch_cursor_gc;
 123
 124   /* These variables describe the range of text currently shown in its
 125      mouse-face, together with the window they apply to.  As long as
 126      the mouse stays within this range, we need not redraw anything on
 127      its account.  Rows and columns are glyph matrix positions in
 128      MOUSE_FACE_WINDOW.  */
 129   int mouse_face_beg_row, mouse_face_beg_col;
 130   int mouse_face_beg_x, mouse_face_beg_y;
 131   int mouse_face_end_row, mouse_face_end_col;
 132   int mouse_face_end_x, mouse_face_end_y;
 133   int mouse_face_past_end;
 134   Lisp_Object mouse_face_window;
 135   int mouse_face_face_id;
 136   Lisp_Object mouse_face_overlay;
 137
 138   /* 1 if a mouse motion event came and we didn't handle it right away because
 139      gc was in progress.  */
 140   int mouse_face_deferred_gc;
 141
 142   /* FRAME and X, Y position of mouse when last checked for
 143      highlighting.  X and Y can be negative or out of range for the frame.  */
 144   struct frame *mouse_face_mouse_frame;
 145   int mouse_face_mouse_x, mouse_face_mouse_y;
 146
 147   /* Nonzero means defer mouse-motion highlighting.  */
 148   int mouse_face_defer;
 149
 150   /* Nonzero means that the mouse highlight should not be shown.  */
 151   int mouse_face_hidden;
 152
 153   int mouse_face_image_state;
 154
 155   char *mac_id_name;
 156
 157   /* The number of fonts actually stored in the font table.
 158      font_table[n] is used and valid if 0 <= n < n_fonts.  0 <=
 159      n_fonts <= font_table_size and font_table[i].name != 0.  */
 160   int n_fonts;
 161
 162   /* Pointer to bitmap records.  */
 163   struct mac_bitmap_record *bitmaps;
 164
 165   /* Allocated size of bitmaps field.  */
 166   int bitmaps_size;
 167
 168   /* Last used bitmap index.  */
 169   int bitmaps_last;
 170
 171   /* The frame (if any) which has the window that has keyboard focus.
 172      Zero if none.  This is examined by Ffocus_frame in macfns.c.  Note
 173      that a mere EnterNotify event can set this; if you need to know the
 174      last frame specified in a FocusIn or FocusOut event, use
 175      x_focus_event_frame.  */
 176   struct frame *x_focus_frame;
 177
 178   /* The last frame mentioned in a FocusIn or FocusOut event.  This is
 179      separate from x_focus_frame, because whether or not LeaveNotify
 180      events cause us to lose focus depends on whether or not we have
 181      received a FocusIn event for it.  */
 182   struct frame *x_focus_event_frame;
 183
 184   /* The frame which currently has the visual highlight, and should get
 185      keyboard input (other sorts of input have the frame encoded in the
 186      event).  It points to the focus frame's selected window's
 187      frame.  It differs from x_focus_frame when we're using a global
 188      minibuffer.  */
 189   struct frame *x_highlight_frame;
 190 };
 191
 192 /* This checks to make sure we have a display.  */
 193 extern void check_mac P_ ((void));
 194
 195 #define x_display_info mac_display_info
 196
 197 /* This is a chain of structures for all the X displays currently in use.  */
 198 extern struct x_display_info *x_display_list;
 199
 200 /* This is a chain of structures for all the displays currently in use.  */
 201 extern struct mac_display_info one_mac_display_info;
 202
 203 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
 204    one for each element of x_display_list and in the same order.
 205    NAME is the name of the frame.
 206    FONT-LIST-CACHE records previous values returned by x-list-fonts.  */
 207 extern Lisp_Object x_display_name_list;
 208
 209 extern struct x_display_info *x_display_info_for_name P_ ((Lisp_Object));
 210
 211 extern struct mac_display_info *mac_term_init P_ ((Lisp_Object, char *, char *));
 212
 213 extern Lisp_Object x_list_fonts P_ ((struct frame *, Lisp_Object, int, int));
 214 extern struct font_info *x_get_font_info P_ ((struct frame *f, int));
 215 extern struct font_info *x_load_font P_ ((struct frame *, char *, int));
 216 extern struct font_info *x_query_font P_ ((struct frame *, char *));
 217 extern void x_find_ccl_program P_ ((struct font_info *));
 218 \f
 219 /* When Emacs uses a tty window, tty_display in frame.c points to an
 220    x_output struct .  */
 221 struct x_output
 222 {
 223   unsigned long background_pixel;
 224   unsigned long foreground_pixel;
 225 };
 226
 227 /* The collection of data describing a window on the Mac.  */
 228 struct mac_output
 229 {
 230   /* Placeholder for things accessed through output_data.x.  Must
 231      appear first.  */
 232   struct x_output x_compatible;
 233
 234   /* Menubar "widget" handle.  */
 235   int menubar_widget;
 236
 237   FRAME_PTR mFP;                /* points back to the frame struct */
 238
 239   /* Here are the Graphics Contexts for the default font.  */
 240   GC normal_gc;                         /* Normal video */
 241   GC reverse_gc;                        /* Reverse video */
 242   GC cursor_gc;                         /* cursor drawing */
 243
 244   /* The window used for this frame.
 245      May be zero while the frame object is being created
 246      and the window has not yet been created.  */
 247   Window window_desc;
 248
 249   /* The window that is the parent of this window.
 250      Usually this is a window that was made by the window manager,
 251      but it can be the root window, and it can be explicitly specified
 252      (see the explicit_parent field, below).  */
 253   Window parent_desc;
 254
 255   /* Default ASCII font of this frame. */
 256   XFontStruct *font;
 257
 258   /* The baseline offset of the default ASCII font.  */
 259   int baseline_offset;
 260
 261   /* If a fontset is specified for this frame instead of font, this
 262      value contains an ID of the fontset, else -1.  */
 263   int fontset;
 264
 265   /* Pixel values used for various purposes.
 266      border_pixel may be -1 meaning use a gray tile.  */
 267   unsigned long cursor_pixel;
 268   unsigned long border_pixel;
 269   unsigned long mouse_pixel;
 270   unsigned long cursor_foreground_pixel;
 271
 272 #if 0
 273   /* Foreground color for scroll bars.  A value of -1 means use the
 274      default (black for non-toolkit scroll bars).  */
 275   unsigned long scroll_bar_foreground_pixel;
 276
 277   /* Background color for scroll bars.  A value of -1 means use the
 278      default (background color of the frame for non-toolkit scroll
 279      bars).  */
 280   unsigned long scroll_bar_background_pixel;
 281 #endif
 282
 283   /* Descriptor for the cursor in use for this window.  */
 284   Cursor text_cursor;
 285   Cursor nontext_cursor;
 286   Cursor modeline_cursor;
 287   Cursor hand_cursor;
 288   Cursor hourglass_cursor;
 289   Cursor horizontal_drag_cursor;
 290 #if 0
 291   /* Window whose cursor is hourglass_cursor.  This window is temporarily
 292      mapped to display a hourglass-cursor.  */
 293   Window hourglass_window;
 294
 295   /* Non-zero means hourglass cursor is currently displayed.  */
 296   unsigned hourglass_p : 1;
 297
 298   /* Flag to set when the window needs to be completely repainted.  */
 299   int needs_exposure;
 300
 301 #endif
 302
 303 #if TARGET_API_MAC_CARBON
 304   /* The Mac control reference for the hourglass (progress indicator)
 305      shown at the upper-right corner of the window.  */
 306   ControlRef hourglass_control;
 307 #endif
 308
 309   /* This is the Emacs structure for the display this frame is on.  */
 310   /* struct w32_display_info *display_info; */
 311
 312   /* Nonzero means our parent is another application's window
 313      and was explicitly specified.  */
 314   char explicit_parent;
 315
 316   /* Nonzero means tried already to make this frame visible.  */
 317   char asked_for_visible;
 318
 319   /* Relief GCs, colors etc.  */
 320   struct relief
 321   {
 322     GC gc;
 323     unsigned long pixel;
 324     int allocated_p;
 325   }
 326   black_relief, white_relief;
 327
 328   /* The background for which the above relief GCs were set up.
 329      They are changed only when a different background is involved.  */
 330   unsigned long relief_background;
 331
 332   /* Width of the internal border.  */
 333   int internal_border_width;
 334
 335   /* Hints for the size and the position of a window.  */
 336   XSizeHints *size_hints;
 337
 338 #if USE_MAC_TOOLBAR
 339   /* This variable records the gravity value of the window position if
 340      the window has an external tool bar when it is created.  The
 341      position of the window is adjusted using this information when
 342      the tool bar is first redisplayed.  Once the tool bar is
 343      redisplayed, it is set to 0 in order to avoid further
 344      adjustment.  */
 345   int toolbar_win_gravity;
 346 #endif
 347
 348 #if USE_CG_DRAWING
 349   /* Quartz 2D graphics context.  */
 350   CGContextRef cg_context;
 351 #endif
 352 };
 353
 354 typedef struct mac_output mac_output;
 355
 356 /* Return the X output data for frame F.  */
 357 #define FRAME_X_OUTPUT(f) ((f)->output_data.mac)
 358
 359 /* Return the Mac window used for displaying data in frame F.  */
 360 #define FRAME_MAC_WINDOW(f) ((f)->output_data.mac->window_desc)
 361 #define FRAME_X_WINDOW(f) ((f)->output_data.mac->window_desc)
 362
 363 #define FRAME_FONT(f) ((f)->output_data.mac->font)
 364 #define FRAME_FONTSET(f) ((f)->output_data.mac->fontset)
 365
 366 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.mac->baseline_offset)
 367
 368 #define FRAME_SIZE_HINTS(f) ((f)->output_data.mac->size_hints)
 369
 370 /* This gives the mac_display_info structure for the display F is on.  */
 371 #define FRAME_MAC_DISPLAY_INFO(f) (&one_mac_display_info)
 372 #define FRAME_X_DISPLAY_INFO(f) (&one_mac_display_info)
 373
 374 /* This is the `Display *' which frame F is on.  */
 375 #define FRAME_MAC_DISPLAY(f) (0)
 376 #define FRAME_X_DISPLAY(f) (0)
 377
 378 /* This is the 'font_info *' which frame F has.  */
 379 #define FRAME_MAC_FONT_TABLE(f) (FRAME_MAC_DISPLAY_INFO (f)->font_table)
 380
 381 /* Value is the smallest width of any character in any font on frame F.  */
 382
 383 #define FRAME_SMALLEST_CHAR_WIDTH(F) \
 384      FRAME_MAC_DISPLAY_INFO(F)->smallest_char_width
 385
 386 /* Value is the smallest height of any font on frame F.  */
 387
 388 #define FRAME_SMALLEST_FONT_HEIGHT(F) \
 389      FRAME_MAC_DISPLAY_INFO(F)->smallest_font_height
 390 \f
 391 /* Mac-specific scroll bar stuff.  */
 392
 393 /* We represent scroll bars as lisp vectors.  This allows us to place
 394    references to them in windows without worrying about whether we'll
 395    end up with windows referring to dead scroll bars; the garbage
 396    collector will free it when its time comes.
 397
 398    We use struct scroll_bar as a template for accessing fields of the
 399    vector.  */
 400
 401 struct scroll_bar {
 402
 403   /* These fields are shared by all vectors.  */
 404   EMACS_INT size_from_Lisp_Vector_struct;
 405   struct Lisp_Vector *next_from_Lisp_Vector_struct;
 406
 407   /* The window we're a scroll bar for.  */
 408   Lisp_Object window;
 409
 410   /* The next and previous in the chain of scroll bars in this frame.  */
 411   Lisp_Object next, prev;
 412
 413   /* The Mac control reference of this scroll bar.  Since this is a
 414      pointer value, we store it split into two Lisp integers.  */
 415   Lisp_Object control_ref_low, control_ref_high;
 416
 417   /* The position and size of the scroll bar in pixels, relative to the
 418      frame.  */
 419   Lisp_Object top, left, width, height;
 420
 421   /* The starting and ending positions of the handle, relative to the
 422      handle area (i.e. zero is the top position, not
 423      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 424      hasn't been drawn yet.
 425
 426      These are not actually the locations where the beginning and end
 427      are drawn; in order to keep handles from becoming invisible when
 428      editing large files, we establish a minimum height by always
 429      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 430      where they would be normally; the bottom and top are in a
 431      different co-ordinate system.  */
 432   Lisp_Object start, end;
 433
 434   /* If the scroll bar handle is currently being dragged by the user,
 435      this is the number of pixels from the top of the handle to the
 436      place where the user grabbed it.  If the handle is pressed but
 437      not dragged yet, this is a negative integer whose absolute value
 438      is the number of pixels plus 1.  If the handle isn't currently
 439      being dragged, this is Qnil.  */
 440   Lisp_Object dragging;
 441
 442 #ifdef MAC_OSX
 443   /* t if the background of the fringe that is adjacent to a scroll
 444      bar is extended to the gap between the fringe and the bar.  */
 445   Lisp_Object fringe_extended_p;
 446 #endif
 447
 448   /* t if redraw needed in the next XTset_vertical_scroll_bar call.  */
 449   Lisp_Object redraw_needed_p;
 450
 451 #ifdef USE_TOOLKIT_SCROLL_BARS
 452   /* The position and size of the scroll bar handle track area in
 453      pixels, relative to the frame.  */
 454   Lisp_Object track_top, track_height;
 455
 456   /* Minimum length of the scroll bar handle, in pixels.  */
 457   Lisp_Object min_handle;
 458 #endif
 459 };
 460
 461 /* The number of elements a vector holding a struct scroll_bar needs.  */
 462 #define SCROLL_BAR_VEC_SIZE                                     \
 463   ((sizeof (struct scroll_bar)                                  \
 464     - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *))       \
 465    / sizeof (Lisp_Object))
 466
 467 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 468 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 469
 470
 471 /* Building a C long integer from two lisp integers.  */
 472 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
 473
 474 /* Setting two lisp integers to two parts of a C unsigned long.  */
 475 #define SCROLL_BAR_UNPACK(low, high, ulong) \
 476   (XSETINT ((low),  (ulong) & 0xffff), \
 477    XSETINT ((high), (ulong) >> 16))
 478
 479
 480 /* Extract the Mac control handle of the scroll bar from a struct
 481    scroll_bar.  */
 482 #define SCROLL_BAR_CONTROL_REF(ptr)                             \
 483   ((ControlRef) SCROLL_BAR_PACK ((ptr)->control_ref_low,        \
 484                                  (ptr)->control_ref_high))
 485
 486 /* Store a Mac control handle in a struct scroll_bar.  */
 487 #define SET_SCROLL_BAR_CONTROL_REF(ptr, ref)                            \
 488   (SCROLL_BAR_UNPACK ((ptr)->control_ref_low,                           \
 489                       (ptr)->control_ref_high, (unsigned long) (ref)))
 490
 491 /* Return the inside width of a vertical scroll bar, given the outside
 492    width.  */
 493 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f, width) \
 494   ((width) \
 495    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 496    - VERTICAL_SCROLL_BAR_RIGHT_BORDER \
 497    - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2)
 498
 499 /* Return the length of the rectangle within which the top of the
 500    handle must stay.  This isn't equivalent to the inside height,
 501    because the scroll bar handle has a minimum height.
 502
 503    This is the real range of motion for the scroll bar, so when we're
 504    scaling buffer positions to scroll bar positions, we use this, not
 505    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 506 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f,height) \
 507   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) \
 508    - VERTICAL_SCROLL_BAR_MIN_HANDLE - UP_AND_DOWN_ARROWS)
 509
 510 /* Return the inside height of vertical scroll bar, given the outside
 511    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 512 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f,height) \
 513   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER \
 514    - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 515
 516
 517 /* Border widths for scroll bars.
 518
 519    Scroll bar windows don't have any borders; their border width is
 520    set to zero, and we redraw borders ourselves.  This makes the code
 521    a bit cleaner, since we don't have to convert between outside width
 522    (used when relating to the rest of the screen) and inside width
 523    (used when sizing and drawing the scroll bar window itself).
 524
 525    The handle moves up and down/back and forth in a rectangle inset
 526    from the edges of the scroll bar.  These are widths by which we
 527    inset the handle boundaries from the scroll bar edges.  */
 528 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0)
 529 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0)
 530 #define VERTICAL_SCROLL_BAR_TOP_BORDER (0)
 531 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (0)
 532
 533 /* Minimum lengths for scroll bar handles, in pixels.  */
 534 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (16)
 535
 536 /* Combined length of up and down arrow boxes in scroll bars, in pixels.  */
 537 #define UP_AND_DOWN_ARROWS (32)
 538
 539 /* Trimming off a few pixels from each side prevents
 540    text from glomming up against the scroll bar */
 541 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
 542
 543 /* Variations of possible Aqua scroll bar width.  */
 544 #define MAC_AQUA_VERTICAL_SCROLL_BAR_WIDTH (15)
 545 #define MAC_AQUA_SMALL_VERTICAL_SCROLL_BAR_WIDTH (11)
 546
 547 /* Size of hourglass controls */
 548 #define HOURGLASS_WIDTH (15)
 549 #define HOURGLASS_HEIGHT (15)
 550
 551 /* Some constants that are used locally.  */
 552 /* Creator code for Emacs on Mac OS.  */
 553 enum {
 554   MAC_EMACS_CREATOR_CODE        = 'EMAx'
 555 };
 556
 557 /* Apple event descriptor types */
 558 enum {
 559   TYPE_FILE_NAME                = 'fNam'
 560 };
 561
 562 /* Keywords for Apple event attributes */
 563 enum {
 564   KEY_EMACS_SUSPENSION_ID_ATTR  = 'esId' /* typeUInt32 */
 565 };
 566
 567 /* Carbon event parameter names.  */
 568 enum {
 569   EVENT_PARAM_TEXT_INPUT_SEQUENCE_NUMBER = 'tsSn' /* typeUInt32 */
 570 };
 571
 572 /* Some constants that are not defined in older versions.  */
 573 #if MAC_OS_X_VERSION_MAX_ALLOWED < 1030
 574 /* Keywords for Apple event attributes */
 575 enum {
 576   keyReplyRequestedAttr         = 'repq'
 577 };
 578 #endif
 579
 580 #if MAC_OS_X_VERSION_MAX_ALLOWED < 1040
 581 /* Gestalt selectors */
 582 enum {
 583   gestaltSystemVersionMajor     = 'sys1',
 584   gestaltSystemVersionMinor     = 'sys2',
 585   gestaltSystemVersionBugFix    = 'sys3'
 586 };
 587 #endif
 588
 589 #ifdef MAC_OSX
 590 #if MAC_OS_X_VERSION_MAX_ALLOWED < 1020
 591 /* Apple event descriptor types */
 592 enum {
 593   typeUTF8Text                  = 'utf8'
 594 };
 595
 596 /* Carbon event parameter names */
 597 enum {
 598   kEventParamWindowMouseLocation = 'wmou'
 599 };
 600 #endif
 601 #endif
 602
 603 struct frame;
 604 struct face;
 605 struct image;
 606
 607 Lisp_Object display_x_get_resource P_ ((struct x_display_info *,
 608                                         Lisp_Object, Lisp_Object,
 609                                         Lisp_Object, Lisp_Object));
 610 struct frame *check_x_frame P_ ((Lisp_Object));
 611 EXFUN (Fx_display_color_p, 1);
 612 EXFUN (Fx_display_grayscale_p, 1);
 613 EXFUN (Fx_display_planes, 1);
 614 extern void x_free_gcs P_ ((struct frame *));
 615 extern int XParseGeometry P_ ((char *, int *, int *, unsigned int *,
 616                                unsigned int *));
 617
 618 /* Defined in macterm.c.  */
 619
 620 extern void x_set_window_size P_ ((struct frame *, int, int, int));
 621 extern void x_set_mouse_position P_ ((struct frame *, int, int));
 622 extern void x_set_mouse_pixel_position P_ ((struct frame *, int, int));
 623 extern void x_raise_frame P_ ((struct frame *));
 624 extern void x_lower_frame P_ ((struct frame *));
 625 extern void x_make_frame_visible P_ ((struct frame *));
 626 extern void x_make_frame_invisible P_ ((struct frame *));
 627 extern void x_iconify_frame P_ ((struct frame *));
 628 extern void x_free_frame_resources P_ ((struct frame *));
 629 extern void x_destroy_window P_ ((struct frame *));
 630 extern void x_wm_set_size_hint P_ ((struct frame *, long, int));
 631 extern void x_delete_display P_ ((struct x_display_info *));
 632 extern void mac_initialize P_ ((void));
 633 extern Pixmap XCreatePixmap P_ ((Display *, Window, unsigned int,
 634                                  unsigned int, unsigned int));
 635 extern Pixmap XCreatePixmapFromBitmapData P_ ((Display *, Window, char *,
 636                                                unsigned int, unsigned int,
 637                                                unsigned long, unsigned long,
 638                                                unsigned int));
 639 extern void XFreePixmap P_ ((Display *, Pixmap));
 640 extern GC XCreateGC P_ ((Display *, void *, unsigned long, XGCValues *));
 641 extern void XFreeGC P_ ((Display *, GC));
 642 extern void XSetForeground P_ ((Display *, GC, unsigned long));
 643 extern void XSetBackground P_ ((Display *, GC, unsigned long));
 644 extern void XDrawLine P_ ((Display *, Pixmap, GC, int, int, int, int));
 645 extern void mac_clear_area P_ ((struct frame *, int, int,
 646                                 unsigned int, unsigned int));
 647 extern void mac_unload_font P_ ((struct mac_display_info *, XFontStruct *));
 648 extern OSStatus mac_post_mouse_moved_event P_ ((void));
 649 extern int mac_quit_char_key_p P_ ((UInt32, UInt32));
 650
 651 #define FONT_TYPE_FOR_UNIBYTE(font, ch) 0
 652 #define FONT_TYPE_FOR_MULTIBYTE(font, ch) 0
 653
 654 #if USE_MAC_IMAGE_IO
 655 extern CGColorSpaceRef mac_cg_color_space_rgb;
 656 #endif
 657
 658 /* Defined in macselect.c */
 659
 660 extern void x_clear_frame_selections P_ ((struct frame *));
 661 EXFUN (Fx_selection_owner_p, 1);
 662
 663 /* Defined in macfns.c */
 664
 665 extern void x_real_positions P_ ((struct frame *, int *, int *));
 666 extern void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
 667 extern int x_pixel_width P_ ((struct frame *));
 668 extern int x_pixel_height P_ ((struct frame *));
 669 extern int x_char_width P_ ((struct frame *));
 670 extern int x_char_height P_ ((struct frame *));
 671 extern void x_sync P_ ((struct frame *));
 672 extern void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
 673 extern void mac_update_title_bar P_ ((struct frame *, int));
 674 extern Lisp_Object x_get_focus_frame P_ ((struct frame *));
 675
 676 /* Defined in mac.c.  */
 677
 678 extern void mac_clear_font_name_table P_ ((void));
 679 extern Lisp_Object mac_aedesc_to_lisp P_ ((const AEDesc *));
 680 extern OSErr mac_ae_put_lisp P_ ((AEDescList *, UInt32, Lisp_Object));
 681 #if TARGET_API_MAC_CARBON
 682 extern OSErr create_apple_event P_ ((AEEventClass, AEEventID, AppleEvent *));
 683 extern Lisp_Object mac_event_parameters_to_lisp P_ ((EventRef, UInt32,
 684                                                      const EventParamName *,
 685                                                      const EventParamType *));
 686 extern CFStringRef cfstring_create_with_utf8_cstring P_ ((const char *));
 687 extern CFStringRef cfstring_create_with_string P_ ((Lisp_Object));
 688 extern Lisp_Object cfdata_to_lisp P_ ((CFDataRef));
 689 extern Lisp_Object cfstring_to_lisp_nodecode P_ ((CFStringRef));
 690 extern Lisp_Object cfstring_to_lisp P_ ((CFStringRef));
 691 extern Lisp_Object cfnumber_to_lisp P_ ((CFNumberRef));
 692 extern Lisp_Object cfdate_to_lisp P_ ((CFDateRef));
 693 extern Lisp_Object cfboolean_to_lisp P_ ((CFBooleanRef));
 694 extern Lisp_Object cfobject_desc_to_lisp P_ ((CFTypeRef));
 695 extern Lisp_Object cfproperty_list_to_lisp P_ ((CFPropertyListRef, int, int));
 696 extern void mac_wakeup_from_rne P_ ((void));
 697 #endif
 698 extern void xrm_merge_string_database P_ ((XrmDatabase, const char *));
 699 extern Lisp_Object xrm_get_resource P_ ((XrmDatabase, const char *,
 700                                          const char *));
 701 extern XrmDatabase xrm_get_preference_database P_ ((const char *));
 702 EXFUN (Fmac_get_preference, 4);
 703
 704 /* Defined in mactoolbox.c.  */
 705
 706 extern void mac_alert_sound_play P_ ((void));
 707 extern OSStatus install_application_handler P_ ((void));
 708 extern void mac_get_window_bounds P_ ((struct frame *, Rect *, Rect *));
 709 extern Rect *mac_get_frame_bounds P_ ((struct frame *, Rect *));
 710 extern void mac_get_frame_mouse P_ ((struct frame *, Point *));
 711 extern void mac_convert_frame_point_to_global P_ ((struct frame *, int *,
 712                                                    int *));
 713 #if TARGET_API_MAC_CARBON
 714 extern void mac_update_proxy_icon P_ ((struct frame *));
 715 #endif
 716 extern void mac_set_frame_window_background P_ ((struct frame *,
 717                                                  unsigned long));
 718 extern void mac_update_begin P_ ((struct frame *));
 719 extern void mac_update_end P_ ((struct frame *));
 720 extern void mac_frame_up_to_date P_ ((struct frame *));
 721 extern void x_flush P_ ((struct frame *));
 722 extern void mac_create_frame_window P_ ((struct frame *, int));
 723 extern void mac_dispose_frame_window P_ ((struct frame *));
 724 #if USE_CG_DRAWING
 725 extern CGContextRef mac_begin_cg_clip P_ ((struct frame *, GC));
 726 extern void mac_end_cg_clip P_ ((struct frame *));
 727 #endif
 728 extern void mac_begin_clip P_ ((struct frame *, GC));
 729 extern void mac_end_clip P_ ((struct frame *, GC));
 730 extern void mac_create_scroll_bar P_ ((struct scroll_bar *, const Rect *,
 731                                        Boolean));
 732 extern void mac_dispose_scroll_bar P_ ((struct scroll_bar *));
 733 extern void mac_set_scroll_bar_bounds P_ ((struct scroll_bar *, const Rect *));
 734 extern void mac_redraw_scroll_bar P_ ((struct scroll_bar *));
 735 #ifdef USE_TOOLKIT_SCROLL_BARS
 736 extern void x_set_toolkit_scroll_bar_thumb P_ ((struct scroll_bar *,
 737                                                 int, int, int));
 738 #else
 739 extern void x_scroll_bar_set_handle P_ ((scroll_bar *, int, int, int));
 740 #endif
 741 #if USE_MAC_FONT_PANEL
 742 extern int mac_font_panel_visible_p P_ ((void));
 743 extern OSStatus mac_show_hide_font_panel P_ ((void));
 744 extern OSStatus mac_set_font_info_for_selection P_ ((struct frame *, int, int));
 745 #endif
 746 #ifdef MAC_OSX
 747 extern Boolean mac_run_loop_run_once P_ ((EventTimeout));
 748 #endif
 749 #if USE_MAC_TOOLBAR
 750 extern void update_frame_tool_bar P_ ((FRAME_PTR f));
 751 extern void free_frame_tool_bar P_ ((FRAME_PTR f));
 752 #endif
 753 #if TARGET_API_MAC_CARBON
 754 extern void mac_show_hourglass P_ ((struct frame *));
 755 extern void mac_hide_hourglass P_ ((struct frame *));
 756 extern void mac_reposition_hourglass P_ ((struct frame *));
 757 extern Lisp_Object mac_file_dialog P_ ((Lisp_Object, Lisp_Object, Lisp_Object,
 758                                         Lisp_Object, Lisp_Object));
 759 #endif
 760 extern void x_activate_menubar P_ ((struct frame *));
 761 extern void free_frame_menubar P_ ((struct frame *));
 762 extern void mac_fill_menubar P_ ((widget_value *, int));
 763 extern void create_and_show_popup_menu P_ ((FRAME_PTR, widget_value *,
 764                                             int, int, int));
 765 #if TARGET_API_MAC_CARBON
 766 extern void create_and_show_dialog P_ ((FRAME_PTR, widget_value *));
 767 #else
 768 extern int mac_dialog P_ ((widget_value *));
 769 #endif
 770 extern OSStatus mac_get_selection_from_symbol P_ ((Lisp_Object, int,
 771                                                    Selection *));
 772 extern int mac_valid_selection_target_p P_ ((Lisp_Object));
 773 extern OSStatus mac_clear_selection P_ ((Selection *));
 774 extern Lisp_Object mac_get_selection_ownership_info P_ ((Selection));
 775 extern int mac_valid_selection_value_p P_ ((Lisp_Object, Lisp_Object));
 776 extern OSStatus mac_put_selection_value P_ ((Selection, Lisp_Object,
 777                                              Lisp_Object));
 778 extern int mac_selection_has_target_p P_ ((Selection, Lisp_Object));
 779 extern Lisp_Object mac_get_selection_value P_ ((Selection, Lisp_Object));
 780 extern Lisp_Object mac_get_selection_target_list P_ ((Selection));
 781 #if TARGET_API_MAC_CARBON
 782 extern Lisp_Object mac_dnd_default_known_types P_ ((void));
 783 #endif
 784
 785 /* arch-tag: 6b4ca125-5bef-476d-8ee8-31ed808b7e79
 786    (do not change this comment) */