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