code.delx.au - gnu-emacs/blob - src/nsterm.h

   1 /* Definitions and headers for communication with NeXT/Open/GNUstep API.
   2    Copyright (C) 1989, 1993, 2005, 2008-2014 Free Software Foundation,
   3    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
  21 #include "dispextern.h"
  22 #include "frame.h"
  23 #include "character.h"
  24 #include "font.h"
  25 #include "sysselect.h"
  26
  27 #ifdef HAVE_NS
  28
  29 #ifdef NS_IMPL_COCOA
  30 #ifndef MAC_OS_X_VERSION_10_6
  31 #define MAC_OS_X_VERSION_10_6 1060
  32 #endif
  33 #ifndef MAC_OS_X_VERSION_10_7
  34 #define MAC_OS_X_VERSION_10_7 1070
  35 #endif
  36 #ifndef MAC_OS_X_VERSION_10_8
  37 #define MAC_OS_X_VERSION_10_8 1080
  38 #endif
  39 #ifndef MAC_OS_X_VERSION_10_9
  40 #define MAC_OS_X_VERSION_10_9 1090
  41 #endif
  42
  43 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
  44 #define HAVE_NATIVE_FS
  45 #endif
  46
  47 #endif /* NS_IMPL_COCOA */
  48
  49 #ifdef __OBJC__
  50
  51 /* CGFloat on GNUstep may be 4 or 8 byte, but functions expect float* for some
  52    versions.
  53    On Cocoa >= 10.5, functions expect CGFloat*. Make compatible type.  */
  54 #ifdef NS_IMPL_COCOA
  55 typedef CGFloat EmacsCGFloat;
  56 #elif GNUSTEP_GUI_MAJOR_VERSION > 0 || GNUSTEP_GUI_MINOR_VERSION >= 22
  57 typedef CGFloat EmacsCGFloat;
  58 #else
  59 typedef float EmacsCGFloat;
  60 #endif
  61
  62 /* ==========================================================================
  63
  64    NSColor, EmacsColor category.
  65
  66    ========================================================================== */
  67 @interface NSColor (EmacsColor)
  68 + (NSColor *)colorForEmacsRed:(CGFloat)red green:(CGFloat)green
  69                          blue:(CGFloat)blue alpha:(CGFloat)alpha;
  70 - (NSColor *)colorUsingDefaultColorSpace;
  71
  72 @end
  73
  74 /* ==========================================================================
  75
  76    The Emacs application
  77
  78    ========================================================================== */
  79
  80 /* We override sendEvent: as a means to stop/start the event loop */
  81 @interface EmacsApp : NSApplication
  82 {
  83 #ifdef NS_IMPL_COCOA
  84   BOOL shouldKeepRunning;
  85   BOOL isFirst;
  86 #endif
  87 #ifdef NS_IMPL_GNUSTEP
  88   BOOL applicationDidFinishLaunchingCalled;
  89 @public
  90   int nextappdefined;
  91 #endif
  92 }
  93 - (void)logNotification: (NSNotification *)notification;
  94 - (void)antialiasThresholdDidChange:(NSNotification *)notification;
  95 - (void)sendEvent: (NSEvent *)theEvent;
  96 - (void)showPreferencesWindow: (id)sender;
  97 - (BOOL) openFile: (NSString *)fileName;
  98 - (void)fd_handler: (id)unused;
  99 - (void)timeout_handler: (NSTimer *)timedEntry;
 100 - (BOOL)fulfillService: (NSString *)name withArg: (NSString *)arg;
 101 #ifdef NS_IMPL_GNUSTEP
 102 - (void)sendFromMainThread:(id)unused;
 103 #endif
 104 @end
 105
 106 #ifdef NS_IMPL_GNUSTEP
 107 /* Dummy class to get rid of startup warnings.  */
 108 @interface EmacsDocument : NSDocument
 109 {
 110 }
 111 @end
 112 #endif
 113
 114 /* ==========================================================================
 115
 116    The main Emacs view
 117
 118    ========================================================================== */
 119
 120 @class EmacsToolbar;
 121
 122 #ifdef NS_IMPL_COCOA
 123 @interface EmacsView : NSView <NSTextInput, NSWindowDelegate>
 124 #else
 125 @interface EmacsView : NSView <NSTextInput>
 126 #endif
 127    {
 128 #ifdef NS_IMPL_COCOA
 129    char *old_title;
 130    BOOL maximizing_resize;
 131 #endif
 132    BOOL windowClosing;
 133    NSString *workingText;
 134    BOOL processingCompose;
 135    int fs_state, fs_before_fs, next_maximized;
 136    int tibar_height, tobar_height, bwidth;
 137    int maximized_width, maximized_height;
 138    NSWindow *nonfs_window;
 139    BOOL fs_is_native;
 140 @public
 141    struct frame *emacsframe;
 142    int rows, cols;
 143    int scrollbarsNeedingUpdate;
 144    EmacsToolbar *toolbar;
 145    NSRect ns_userRect;
 146    BOOL wait_for_tool_bar;
 147    }
 148
 149 /* AppKit-side interface */
 150 - menuDown: (id)sender;
 151 - toolbarClicked: (id)item;
 152 - toggleToolbar: (id)sender;
 153 - (void)keyDown: (NSEvent *)theEvent;
 154 - (void)mouseDown: (NSEvent *)theEvent;
 155 - (void)mouseUp: (NSEvent *)theEvent;
 156 - setMiniwindowImage: (BOOL)setMini;
 157
 158 /* Emacs-side interface */
 159 - initFrameFromEmacs: (struct frame *) f;
 160 - (void) setRows: (int) r andColumns: (int) c;
 161 - (void) setWindowClosing: (BOOL)closing;
 162 - (EmacsToolbar *) toolbar;
 163 - (void) deleteWorkingText;
 164 - (void) updateFrameSize: (BOOL) delay;
 165 - (void) handleFS;
 166 - (void) setFSValue: (int)value;
 167 - (void) toggleFullScreen: (id) sender;
 168 - (BOOL) fsIsNative;
 169 - (BOOL) isFullscreen;
 170 #ifdef HAVE_NATIVE_FS
 171 - (void) updateCollectionBehavior;
 172 #endif
 173
 174 #ifdef NS_IMPL_GNUSTEP
 175 - (void)windowDidMove: (id)sender;
 176 #endif
 177 @end
 178
 179
 180 /* Small utility used for processing resize events under Cocoa. */
 181 @interface EmacsWindow : NSWindow
 182 {
 183   NSPoint grabOffset;
 184 }
 185 @end
 186
 187
 188 /* Fullscreen version of the above.  */
 189 @interface EmacsFSWindow : EmacsWindow
 190 {
 191 }
 192 @end
 193
 194 /* ==========================================================================
 195
 196    The main menu implementation
 197
 198    ========================================================================== */
 199
 200 #ifdef NS_IMPL_COCOA
 201 @interface EmacsMenu : NSMenu  <NSMenuDelegate>
 202 #else
 203 @interface EmacsMenu : NSMenu
 204 #endif
 205 {
 206   struct frame *frame;
 207   unsigned long keyEquivModMask;
 208 }
 209
 210 - initWithTitle: (NSString *)title frame: (struct frame *)f;
 211 - (void)setFrame: (struct frame *)f;
 212 - (void)menuNeedsUpdate: (NSMenu *)menu; /* (delegate method) */
 213 - (NSString *)parseKeyEquiv: (const char *)key;
 214 - (NSMenuItem *)addItemWithWidgetValue: (void *)wvptr;
 215 - (void)fillWithWidgetValue: (void *)wvptr;
 216 - (void)fillWithWidgetValue: (void *)wvptr frame: (struct frame *)f;
 217 - (EmacsMenu *)addSubmenuWithTitle: (const char *)title forFrame: (struct frame *)f;
 218 - (void) clear;
 219 - (Lisp_Object)runMenuAt: (NSPoint)p forFrame: (struct frame *)f
 220                  keymaps: (bool)keymaps;
 221 @end
 222
 223
 224 /* ==========================================================================
 225
 226    Toolbar
 227
 228    ========================================================================== */
 229
 230 @class EmacsImage;
 231
 232 #ifdef NS_IMPL_COCOA
 233 @interface EmacsToolbar : NSToolbar <NSToolbarDelegate>
 234 #else
 235 @interface EmacsToolbar : NSToolbar
 236 #endif
 237    {
 238      EmacsView *emacsView;
 239      NSMutableDictionary *identifierToItem;
 240      NSMutableArray *activeIdentifiers;
 241      NSArray *prevIdentifiers;
 242      unsigned long enablement, prevEnablement;
 243    }
 244 - initForView: (EmacsView *)view withIdentifier: (NSString *)identifier;
 245 - (void) clearActive;
 246 - (void) clearAll;
 247 - (BOOL) changed;
 248 - (void) addDisplayItemWithImage: (EmacsImage *)img
 249                              idx: (int)idx
 250                              tag: (int)tag
 251                         helpText: (const char *)help
 252                          enabled: (BOOL)enabled;
 253
 254 /* delegate methods */
 255 - (NSToolbarItem *)toolbar: (NSToolbar *)toolbar
 256      itemForItemIdentifier: (NSString *)itemIdentifier
 257  willBeInsertedIntoToolbar: (BOOL)flag;
 258 - (NSArray *)toolbarDefaultItemIdentifiers: (NSToolbar *)toolbar;
 259 - (NSArray *)toolbarAllowedItemIdentifiers: (NSToolbar *)toolbar;
 260 @end
 261
 262
 263 /* ==========================================================================
 264
 265    Message / question windows
 266
 267    ========================================================================== */
 268
 269 @interface EmacsDialogPanel : NSPanel
 270    {
 271    NSTextField *command;
 272    NSTextField *title;
 273    NSMatrix *matrix;
 274    int rows, cols;
 275    BOOL timer_fired, window_closed;
 276    Lisp_Object dialog_return;
 277    Lisp_Object *button_values;
 278    }
 279 - initFromContents: (Lisp_Object)menu isQuestion: (BOOL)isQ;
 280 - (void)process_dialog: (Lisp_Object)list;
 281 - (void)addButton: (char *)str value: (int)tag row: (int)row;
 282 - (void)addString: (char *)str row: (int)row;
 283 - (void)addSplit;
 284 - (Lisp_Object)runDialogAt: (NSPoint)p;
 285 - (void)timeout_handler: (NSTimer *)timedEntry;
 286 @end
 287
 288 #ifdef NS_IMPL_COCOA
 289 @interface EmacsTooltip : NSObject <NSWindowDelegate>
 290 #else
 291 @interface EmacsTooltip : NSObject
 292 #endif
 293   {
 294     NSWindow *win;
 295     NSTextField *textField;
 296     NSTimer *timer;
 297   }
 298 - init;
 299 - (void) setText: (char *)text;
 300 - (void) showAtX: (int)x Y: (int)y for: (int)seconds;
 301 - (void) hide;
 302 - (BOOL) isActive;
 303 - (NSRect) frame;
 304 @end
 305
 306
 307 /* ==========================================================================
 308
 309    File open/save panels
 310    This and next override methods to handle keyboard input in panels.
 311
 312    ========================================================================== */
 313
 314 @interface EmacsSavePanel : NSSavePanel
 315 {
 316 }
 317 @end
 318 @interface EmacsOpenPanel : NSOpenPanel
 319 {
 320 }
 321 @end
 322
 323 @interface EmacsFileDelegate : NSObject
 324 {
 325 }
 326 - (BOOL)panel: (id)sender isValidFilename: (NSString *)filename;
 327 - (BOOL)panel: (id)sender shouldShowFilename: (NSString *)filename;
 328 - (NSString *)panel: (id)sender userEnteredFilename: (NSString *)filename
 329           confirmed: (BOOL)okFlag;
 330 @end
 331
 332
 333 /* ==========================================================================
 334
 335    Images and stippling
 336
 337    ========================================================================== */
 338
 339 @interface EmacsImage : NSImage
 340 {
 341   id imageListNext;
 342   int refCount;
 343   NSBitmapImageRep *bmRep; /* used for accessing pixel data */
 344   unsigned char *pixmapData[5]; /* shortcut to access pixel data */
 345   NSColor *stippleMask;
 346 }
 347 + allocInitFromFile: (Lisp_Object)file;
 348 - reference;
 349 - imageListSetNext: (id)arg;
 350 - imageListNext;
 351 - (void)dealloc;
 352 - initFromXBM: (unsigned char *)bits width: (int)w height: (int)h
 353          flip: (BOOL)flip;
 354 - initFromSkipXBM: (unsigned char *)bits width: (int)w height: (int)h
 355              flip: (BOOL)flip length: (int)length;
 356 - setXBMColor: (NSColor *)color;
 357 - initForXPMWithDepth: (int)depth width: (int)width height: (int)height;
 358 - (void)setPixmapData;
 359 - (unsigned long)getPixelAtX: (int)x Y: (int)y;
 360 - (void)setPixelAtX: (int)x Y: (int)y toRed: (unsigned char)r
 361                green: (unsigned char)g blue: (unsigned char)b
 362               alpha:(unsigned char)a;
 363 - (void)setAlphaAtX: (int)x Y: (int)y to: (unsigned char)a;
 364 - (NSColor *)stippleMask;
 365 @end
 366
 367
 368 /* ==========================================================================
 369
 370    Scrollbars
 371
 372    ========================================================================== */
 373
 374 @interface EmacsScroller : NSScroller
 375   {
 376    struct window *window;
 377    struct frame *frame;
 378    NSResponder *prevResponder;
 379
 380    /* offset to the bottom of knob of last mouse down */
 381    CGFloat last_mouse_offset;
 382    float min_portion;
 383    int pixel_height;
 384    enum scroll_bar_part last_hit_part;
 385
 386    BOOL condemned;
 387
 388    /* optimize against excessive positioning calls generated by emacs */
 389    int em_position;
 390    int em_portion;
 391    int em_whole;
 392    }
 393
 394 - initFrame: (NSRect )r window: (Lisp_Object)win;
 395 - (void)setFrame: (NSRect)r;
 396
 397 - setPosition: (int) position portion: (int) portion whole: (int) whole;
 398 - (int) checkSamePosition: (int)position portion: (int)portion
 399                     whole: (int)whole;
 400 - (void) sendScrollEventAtLoc: (float)loc fromEvent: (NSEvent *)e;
 401 - repeatScroll: (NSTimer *)sender;
 402 - condemn;
 403 - reprieve;
 404 - judge;
 405 @end
 406
 407
 408 /* ==========================================================================
 409
 410    Rendering
 411
 412    ========================================================================== */
 413
 414 #ifdef NS_IMPL_COCOA
 415 /* rendering util */
 416 @interface EmacsGlyphStorage : NSObject <NSGlyphStorage>
 417 {
 418 @public
 419   NSAttributedString *attrStr;
 420   NSMutableDictionary *dict;
 421   CGGlyph *cglyphs;
 422   unsigned long maxChar, maxGlyph;
 423   long i, len;
 424 }
 425 - initWithCapacity: (unsigned long) c;
 426 - (void) setString: (NSString *)str font: (NSFont *)font;
 427 @end
 428 #endif  /* NS_IMPL_COCOA */
 429
 430 extern NSArray *ns_send_types, *ns_return_types;
 431 extern NSString *ns_app_name;
 432 extern EmacsMenu *mainMenu, *svcsMenu, *dockMenu;
 433
 434 /* Apple removed the declaration, but kept the implementation */
 435 #if defined (NS_IMPL_COCOA)
 436 @interface NSApplication (EmacsApp)
 437 - (void)setAppleMenu: (NSMenu *)menu;
 438 @end
 439 #endif
 440
 441 #endif  /* __OBJC__ */
 442
 443
 444
 445 /* ==========================================================================
 446
 447    Non-OO stuff
 448
 449    ========================================================================== */
 450
 451 /* Special keycodes that we pass down the event chain */
 452 #define KEY_NS_POWER_OFF               ((1<<28)|(0<<16)|1)
 453 #define KEY_NS_OPEN_FILE               ((1<<28)|(0<<16)|2)
 454 #define KEY_NS_OPEN_TEMP_FILE          ((1<<28)|(0<<16)|3)
 455 #define KEY_NS_CHANGE_FONT             ((1<<28)|(0<<16)|7)
 456 #define KEY_NS_OPEN_FILE_LINE          ((1<<28)|(0<<16)|8)
 457 #define KEY_NS_PUT_WORKING_TEXT        ((1<<28)|(0<<16)|9)
 458 #define KEY_NS_UNPUT_WORKING_TEXT      ((1<<28)|(0<<16)|10)
 459 #define KEY_NS_SPI_SERVICE_CALL        ((1<<28)|(0<<16)|11)
 460 #define KEY_NS_NEW_FRAME               ((1<<28)|(0<<16)|12)
 461 #define KEY_NS_TOGGLE_TOOLBAR          ((1<<28)|(0<<16)|13)
 462 #define KEY_NS_SHOW_PREFS              ((1<<28)|(0<<16)|14)
 463
 464 /* could use list to store these, but rest of emacs has a big infrastructure
 465    for managing a table of bitmap "records" */
 466 struct ns_bitmap_record
 467 {
 468 #ifdef __OBJC__
 469   EmacsImage *img;
 470 #else
 471   void *img;
 472 #endif
 473   char *file;
 474   int refcount;
 475   int height, width, depth;
 476 };
 477
 478 /* this to map between emacs color indices and NSColor objects */
 479 struct ns_color_table
 480 {
 481   ptrdiff_t size;
 482   ptrdiff_t avail;
 483 #ifdef __OBJC__
 484   NSColor **colors;
 485   NSMutableSet *empty_indices;
 486 #else
 487   void **items;
 488   void *availIndices;
 489 #endif
 490 };
 491 #define NS_COLOR_CAPACITY 256
 492
 493 #define RGB_TO_ULONG(r, g, b) (((r) << 16) | ((g) << 8) | (b))
 494 #define ARGB_TO_ULONG(a, r, g, b) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
 495
 496 #define ALPHA_FROM_ULONG(color) ((color) >> 24)
 497 #define RED_FROM_ULONG(color) (((color) >> 16) & 0xff)
 498 #define GREEN_FROM_ULONG(color) (((color) >> 8) & 0xff)
 499 #define BLUE_FROM_ULONG(color) ((color) & 0xff)
 500
 501 /* Do not change `* 0x101' in the following lines to `<< 8'.  If
 502    changed, image masks in 1-bit depth will not work. */
 503 #define RED16_FROM_ULONG(color) (RED_FROM_ULONG(color) * 0x101)
 504 #define GREEN16_FROM_ULONG(color) (GREEN_FROM_ULONG(color) * 0x101)
 505 #define BLUE16_FROM_ULONG(color) (BLUE_FROM_ULONG(color) * 0x101)
 506
 507 /* this extends font backend font */
 508 struct nsfont_info
 509 {
 510   struct font font;
 511
 512   char *name;  /* PostScript name, uniquely identifies on NS systems */
 513
 514   /* The following metrics are stored as float rather than int. */
 515
 516   float width;  /* Maximum advance for the font.  */
 517   float height;
 518   float underpos;
 519   float underwidth;
 520   float size;
 521 #ifdef __OBJC__
 522   NSFont *nsfont;
 523 #if defined (NS_IMPL_COCOA)
 524   CGFontRef cgfont;
 525 #else /* GNUstep */
 526   void *cgfont;
 527 #endif
 528 #else /* ! OBJC */
 529   void *nsfont;
 530   void *cgfont;
 531 #endif
 532   char bold, ital;  /* convenience flags */
 533   char synthItal;
 534   XCharStruct max_bounds;
 535   /* we compute glyph codes and metrics on-demand in blocks of 256 indexed
 536      by hibyte, lobyte */
 537   unsigned short **glyphs; /* map Unicode index to glyph */
 538   struct font_metrics **metrics;
 539 };
 540
 541
 542 /* init'd in ns_initialize_display_info () */
 543 struct ns_display_info
 544 {
 545   /* Chain of all ns_display_info structures.  */
 546   struct ns_display_info *next;
 547
 548   /* The generic display parameters corresponding to this NS display. */
 549   struct terminal *terminal;
 550
 551   /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).  */
 552   Lisp_Object name_list_element;
 553
 554   /* The number of fonts loaded. */
 555   int n_fonts;
 556
 557   /* Minimum width over all characters in all fonts in font_table.  */
 558   int smallest_char_width;
 559
 560   /* Minimum font height over all fonts in font_table.  */
 561   int smallest_font_height;
 562
 563   struct ns_bitmap_record *bitmaps;
 564   ptrdiff_t bitmaps_size;
 565   ptrdiff_t bitmaps_last;
 566
 567   struct ns_color_table *color_table;
 568
 569   /* DPI resolution of this screen */
 570   double resx, resy;
 571
 572   /* Mask of things that cause the mouse to be grabbed */
 573   int grabbed;
 574
 575   int n_planes;
 576
 577   int color_p;
 578
 579   Window root_window;
 580
 581   /* Xism */
 582   XrmDatabase xrdb;
 583
 584   /* The cursor to use for vertical scroll bars. */
 585   Cursor vertical_scroll_bar_cursor;
 586
 587   /* The cursor to use for horizontal scroll bars. */
 588   Cursor horizontal_scroll_bar_cursor;
 589
 590   /* Information about the range of text currently shown in
 591      mouse-face.  */
 592   Mouse_HLInfo mouse_highlight;
 593
 594   struct frame *x_highlight_frame;
 595   struct frame *x_focus_frame;
 596
 597   /* The frame where the mouse was last time we reported a mouse event.  */
 598   struct frame *last_mouse_frame;
 599
 600   /* The frame where the mouse was last time we reported a mouse motion.  */
 601   struct frame *last_mouse_motion_frame;
 602
 603   /* Position where the mouse was last time we reported a motion.
 604      This is a position on last_mouse_motion_frame.  */
 605   int last_mouse_motion_x;
 606   int last_mouse_motion_y;
 607
 608   /* Where the mouse was last time we reported a mouse position.  */
 609   NSRect last_mouse_glyph;
 610
 611   /* Time of last mouse movement.  */
 612   Time last_mouse_movement_time;
 613
 614   /* The scroll bar in which the last motion event occurred.  */
 615 #ifdef __OBJC__
 616   EmacsScroller *last_mouse_scroll_bar;
 617 #else
 618   void *last_mouse_scroll_bar;
 619 #endif
 620 };
 621
 622 /* This is a chain of structures for all the NS displays currently in use.  */
 623 extern struct ns_display_info *x_display_list;
 624
 625 extern struct ns_display_info *ns_display_info_for_name (Lisp_Object name);
 626
 627 struct ns_output
 628 {
 629 #ifdef __OBJC__
 630   EmacsView *view;
 631   id miniimage;
 632   NSColor *cursor_color;
 633   NSColor *foreground_color;
 634   NSColor *background_color;
 635   EmacsToolbar *toolbar;
 636 #else
 637   void *view;
 638   void *miniimage;
 639   void *cursor_color;
 640   void *foreground_color;
 641   void *background_color;
 642   void *toolbar;
 643 #endif
 644
 645   /* NSCursors init'ed in initFrameFromEmacs */
 646   Cursor text_cursor;
 647   Cursor nontext_cursor;
 648   Cursor modeline_cursor;
 649   Cursor hand_cursor;
 650   Cursor hourglass_cursor;
 651   Cursor horizontal_drag_cursor;
 652   Cursor vertical_drag_cursor;
 653
 654   /* NS-specific */
 655   Cursor current_pointer;
 656
 657   /* lord knows why Emacs needs to know about our Window ids.. */
 658   Window window_desc, parent_desc;
 659   char explicit_parent;
 660
 661   struct font *font;
 662   int baseline_offset;
 663
 664   /* If a fontset is specified for this frame instead of font, this
 665      value contains an ID of the fontset, else -1.  */
 666   int fontset; /* only used with font_backend */
 667
 668   int icon_top;
 669   int icon_left;
 670
 671   /* The size of the extra width currently allotted for vertical
 672      scroll bars, in pixels.  */
 673   int vertical_scroll_bar_extra;
 674
 675   /* The height of the titlebar decoration (included in NSWindow's frame). */
 676   int titlebar_height;
 677
 678   /* The height of the toolbar if displayed, else 0. */
 679   int toolbar_height;
 680
 681   /* This is the Emacs structure for the NS display this frame is on.  */
 682   struct ns_display_info *display_info;
 683
 684   /* Non-zero if we are zooming (maximizing) the frame.  */
 685   int zooming;
 686 };
 687
 688 /* this dummy decl needed to support TTYs */
 689 struct x_output
 690 {
 691   int unused;
 692 };
 693
 694
 695 /* This gives the ns_display_info structure for the display F is on.  */
 696 #define FRAME_DISPLAY_INFO(f) ((f)->output_data.ns->display_info)
 697 #define FRAME_X_OUTPUT(f) ((f)->output_data.ns)
 698 #define FRAME_NS_WINDOW(f) ((f)->output_data.ns->window_desc)
 699 #define FRAME_X_WINDOW(f) ((f)->output_data.ns->window_desc)
 700
 701 /* This is the `Display *' which frame F is on.  */
 702 #define FRAME_NS_DISPLAY(f) (0)
 703 #define FRAME_X_DISPLAY(f) (0)
 704 #define FRAME_X_SCREEN(f) (0)
 705 #define FRAME_X_VISUAL(f) FRAME_DISPLAY_INFO(f)->visual
 706
 707 #define FRAME_FOREGROUND_COLOR(f) ((f)->output_data.ns->foreground_color)
 708 #define FRAME_BACKGROUND_COLOR(f) ((f)->output_data.ns->background_color)
 709
 710 #define NS_FACE_FOREGROUND(f) ((f)->foreground)
 711 #define NS_FACE_BACKGROUND(f) ((f)->background)
 712 #define FRAME_NS_TITLEBAR_HEIGHT(f) ((f)->output_data.ns->titlebar_height)
 713 #define FRAME_TOOLBAR_HEIGHT(f) ((f)->output_data.ns->toolbar_height)
 714
 715 #define FRAME_DEFAULT_FACE(f) FACE_FROM_ID (f, DEFAULT_FACE_ID)
 716
 717 #define FRAME_NS_VIEW(f) ((f)->output_data.ns->view)
 718 #define FRAME_CURSOR_COLOR(f) ((f)->output_data.ns->cursor_color)
 719 #define FRAME_POINTER_TYPE(f) ((f)->output_data.ns->current_pointer)
 720
 721 #define FRAME_FONT(f) ((f)->output_data.ns->font)
 722
 723 #ifdef __OBJC__
 724 #define XNS_SCROLL_BAR(vec) ((id) XSAVE_POINTER (vec, 0))
 725 #else
 726 #define XNS_SCROLL_BAR(vec) XSAVE_POINTER (vec, 0)
 727 #endif
 728
 729 /* Compute pixel size for vertical scroll bars */
 730 #define NS_SCROLL_BAR_WIDTH(f)                                          \
 731   (FRAME_HAS_VERTICAL_SCROLL_BARS (f)                                   \
 732    ? rint (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) > 0                        \
 733            ? FRAME_CONFIG_SCROLL_BAR_WIDTH (f)                          \
 734            : (FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f)))      \
 735    : 0)
 736
 737 /* Compute pixel size for horizontal scroll bars */
 738 #define NS_SCROLL_BAR_HEIGHT(f)                                         \
 739   (FRAME_HAS_HORIZONTAL_SCROLL_BARS (f)                                 \
 740    ? rint (FRAME_CONFIG_SCROLL_BAR_HEIGHT (f) > 0                       \
 741            ? FRAME_CONFIG_SCROLL_BAR_HEIGHT (f)                         \
 742            : (FRAME_SCROLL_BAR_LINES (f) * FRAME_LINE_HEIGHT (f)))      \
 743    : 0)
 744
 745 /* Difference btwn char-column-calculated and actual SB widths.
 746    This is only a concern for rendering when SB on left. */
 747 #define NS_SCROLL_BAR_ADJUST(w, f)              \
 748 (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w) ?   \
 749     (FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f) \
 750         - NS_SCROLL_BAR_WIDTH (f)) : 0)
 751
 752 /* Difference btwn char-line-calculated and actual SB heights.
 753    This is only a concern for rendering when SB on top. */
 754 #define NS_SCROLL_BAR_ADJUST_HORIZONTALLY(w, f)         \
 755   (WINDOW_HAS_HORIZONTAL_SCROLL_BARS (w) ?              \
 756    (FRAME_SCROLL_BAR_LINES (f) * FRAME_LINE_HEIGHT (f)  \
 757     - NS_SCROLL_BAR_HEIGHT (f)) : 0)
 758
 759 /* XXX: fix for GNUstep inconsistent accounting for titlebar */
 760 #ifdef NS_IMPL_GNUSTEP
 761 #define NS_TOP_POS(f) ((f)->top_pos + 18)
 762 #else
 763 #define NS_TOP_POS(f) ((f)->top_pos)
 764 #endif
 765
 766 #define FRAME_NS_FONT_TABLE(f) (FRAME_DISPLAY_INFO (f)->font_table)
 767
 768 #define FRAME_FONTSET(f) ((f)->output_data.ns->fontset)
 769
 770 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.ns->baseline_offset)
 771 #define BLACK_PIX_DEFAULT(f) 0x000000
 772 #define WHITE_PIX_DEFAULT(f) 0xFFFFFF
 773
 774 /* First position where characters can be shown (instead of scrollbar, if
 775    it is on left. */
 776 #define FIRST_CHAR_POSITION(f)                          \
 777   (! (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)) ? 0   \
 778    : FRAME_SCROLL_BAR_COLS (f))
 779
 780 extern struct ns_display_info *ns_term_init (Lisp_Object display_name);
 781 extern void ns_term_shutdown (int sig);
 782
 783 /* constants for text rendering */
 784 #define NS_DUMPGLYPH_NORMAL             0
 785 #define NS_DUMPGLYPH_CURSOR             1
 786 #define NS_DUMPGLYPH_FOREGROUND         2
 787 #define NS_DUMPGLYPH_MOUSEFACE          3
 788
 789
 790
 791 /* In nsfont, called from fontset.c */
 792 extern void nsfont_make_fontset_for_font (Lisp_Object name,
 793                                          Lisp_Object font_object);
 794
 795 /* In nsfont, for debugging */
 796 struct glyph_string;
 797 void ns_dump_glyphstring (struct glyph_string *s);
 798
 799 /* Implemented in nsterm, published in or needed from nsfns. */
 800 extern Lisp_Object Qfontsize;
 801 extern Lisp_Object ns_list_fonts (struct frame *f, Lisp_Object pattern,
 802                                   int size, int maxnames);
 803 extern void ns_clear_frame (struct frame *f);
 804
 805 extern const char *ns_xlfd_to_fontname (const char *xlfd);
 806
 807 extern Lisp_Object ns_map_event_to_object (void);
 808 #ifdef __OBJC__
 809 extern Lisp_Object ns_string_from_pasteboard (id pb);
 810 extern void ns_string_to_pasteboard (id pb, Lisp_Object str);
 811 #endif
 812 extern Lisp_Object ns_get_local_selection (Lisp_Object selection_name,
 813                                            Lisp_Object target_type);
 814 extern void nxatoms_of_nsselect (void);
 815 extern int ns_lisp_to_cursor_type (Lisp_Object arg);
 816 extern Lisp_Object ns_cursor_type_to_lisp (int arg);
 817 extern void ns_set_name_as_filename (struct frame *f);
 818 extern void ns_set_doc_edited (void);
 819
 820 extern bool
 821 ns_defined_color (struct frame *f,
 822                   const char *name,
 823                   XColor *color_def, bool alloc,
 824                   bool makeIndex);
 825 extern void
 826 ns_query_color (void *col, XColor *color_def, int setPixel);
 827
 828 #ifdef __OBJC__
 829 extern Lisp_Object ns_color_to_lisp (NSColor *col);
 830 extern int ns_lisp_to_color (Lisp_Object color, NSColor **col);
 831 extern NSColor *ns_lookup_indexed_color (unsigned long idx, struct frame *f);
 832 extern unsigned long ns_index_color (NSColor *color, struct frame *f);
 833 extern void ns_free_indexed_color (unsigned long idx, struct frame *f);
 834 extern const char *ns_get_pending_menu_title (void);
 835 extern void ns_check_menu_open (NSMenu *menu);
 836 extern void ns_check_pending_open_menu (void);
 837 #endif
 838
 839 /* C access to ObjC functionality */
 840 extern void  ns_release_object (void *obj);
 841 extern void  ns_retain_object (void *obj);
 842 extern void *ns_alloc_autorelease_pool (void);
 843 extern void ns_release_autorelease_pool (void *);
 844 extern const char *ns_get_defaults_value (const char *key);
 845
 846 /* in nsmenu */
 847 extern void update_frame_tool_bar (struct frame *f);
 848 extern void free_frame_tool_bar (struct frame *f);
 849 extern void find_and_call_menu_selection (struct frame *f,
 850     int menu_bar_items_used, Lisp_Object vector, void *client_data);
 851 extern Lisp_Object find_and_return_menu_selection (struct frame *f,
 852                                                    bool keymaps,
 853                                                    void *client_data);
 854 extern Lisp_Object ns_popup_dialog (struct frame *, Lisp_Object header,
 855                                     Lisp_Object contents);
 856
 857 #define NSAPP_DATA2_RUNASSCRIPT 10
 858 extern void ns_run_ascript (void);
 859
 860 #define NSAPP_DATA2_RUNFILEDIALOG 11
 861 extern void ns_run_file_dialog (void);
 862
 863 extern const char *ns_etc_directory (void);
 864 extern const char *ns_exec_path (void);
 865 extern const char *ns_load_path (void);
 866 extern void syms_of_nsterm (void);
 867 extern void syms_of_nsfns (void);
 868 extern void syms_of_nsmenu (void);
 869 extern void syms_of_nsselect (void);
 870
 871 /* From nsimage.m, needed in image.c */
 872 struct image;
 873 extern void *ns_image_from_XBM (unsigned char *bits, int width, int height);
 874 extern void *ns_image_for_XPM (int width, int height, int depth);
 875 extern void *ns_image_from_file (Lisp_Object file);
 876 extern bool ns_load_image (struct frame *f, struct image *img,
 877                            Lisp_Object spec_file, Lisp_Object spec_data);
 878 extern int ns_image_width (void *img);
 879 extern int ns_image_height (void *img);
 880 extern unsigned long ns_get_pixel (void *img, int x, int y);
 881 extern void ns_put_pixel (void *img, int x, int y, unsigned long argb);
 882 extern void ns_set_alpha (void *img, int x, int y, unsigned char a);
 883
 884 extern int x_display_pixel_height (struct ns_display_info *);
 885 extern int x_display_pixel_width (struct ns_display_info *);
 886
 887 /* This in nsterm.m */
 888 extern void x_destroy_window (struct frame *f);
 889 extern int ns_select (int nfds, fd_set *readfds, fd_set *writefds,
 890                       fd_set *exceptfds, struct timespec const *timeout,
 891                       sigset_t const *sigmask);
 892 extern unsigned long ns_get_rgb_color (struct frame *f,
 893                                        float r, float g, float b, float a);
 894
 895 extern void ns_init_events ();
 896 extern void ns_finish_events ();
 897
 898 /* From nsterm.m, needed in nsfont.m. */
 899 #ifdef __OBJC__
 900 extern void
 901 ns_draw_text_decoration (struct glyph_string *s, struct face *face,
 902                          NSColor *defaultCol, CGFloat width, CGFloat x);
 903 #endif
 904
 905 #ifdef NS_IMPL_GNUSTEP
 906 extern char gnustep_base_version[];  /* version tracking */
 907 #endif
 908
 909 #define MINWIDTH 10
 910 #define MINHEIGHT 10
 911
 912 /* Screen max coordinate
 913  Using larger coordinates causes movewindow/placewindow to abort */
 914 #define SCREENMAX 16000
 915
 916 #define NS_SCROLL_BAR_WIDTH_DEFAULT     [EmacsScroller scrollerWidth]
 917 #define NS_SCROLL_BAR_HEIGHT_DEFAULT    [EmacsScroller scrollerHeight]
 918 /* This is to match emacs on other platforms, ugly though it is. */
 919 #define NS_SELECTION_BG_COLOR_DEFAULT   @"LightGoldenrod2";
 920 #define NS_SELECTION_FG_COLOR_DEFAULT   @"Black";
 921 #define RESIZE_HANDLE_SIZE 12
 922
 923 /* Little utility macros */
 924 #define IN_BOUND(min, x, max) (((x) < (min)) \
 925                                 ? (min) : (((x)>(max)) ? (max) : (x)))
 926 #define SCREENMAXBOUND(x) (IN_BOUND (-SCREENMAX, x, SCREENMAX))
 927
 928 #endif  /* HAVE_NS */