src/w32term.h

   1 /* Definitions and headers for communication on the Microsoft W32 API.
   2    Copyright (C) 1995, 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 /* Added by Kevin Gallo */
  21
  22 #include "w32gui.h"
  23
  24 \f
  25 #define BLACK_PIX_DEFAULT(f) PALETTERGB(0,0,0)
  26 #define WHITE_PIX_DEFAULT(f) PALETTERGB(255,255,255)
  27
  28 #define FONT_WIDTH(f)     ((f)->max_width)
  29 #define FONT_HEIGHT(f)    ((f)->height)
  30 #define FONT_BASE(f)      ((f)->ascent)
  31 #define FONT_DESCENT(f)   ((f)->descent)
  32
  33 #define CP_DEFAULT 1004
  34
  35 #define CHECK_W32_FRAME(f, frame)               \
  36   if (NILP (frame))                             \
  37     f = SELECTED_FRAME ();                      \
  38   else                                          \
  39     {                                           \
  40       CHECK_LIVE_FRAME (frame, 0);              \
  41       f = XFRAME (frame);                       \
  42     }                                           \
  43   if (! FRAME_W32_P (f))
  44
  45 /* Indicates whether we are in the readsocket call and the message we
  46    are processing in the current loop */
  47
  48 extern MSG CurMsg;
  49 extern BOOL bUseDflt;
  50
  51 extern struct frame *x_window_to_frame ();
  52
  53 /* Structure recording bitmaps and reference count.
  54    If REFCOUNT is 0 then this record is free to be reused.  */
  55
  56 struct w32_bitmap_record
  57 {
  58   Pixmap pixmap;
  59   char *file;
  60   HINSTANCE hinst; /* Used to load the file */
  61   int refcount;
  62   /* Record some info about this pixmap.  */
  63   int height, width, depth;
  64 };
  65
  66 /* Palette book-keeping stuff for mapping requested colors into the
  67    system palette.  Keep a ref-counted list of requested colors and
  68    regenerate the app palette whenever the requested list changes. */
  69
  70 extern Lisp_Object Vw32_enable_palette;
  71
  72 struct w32_palette_entry {
  73   struct w32_palette_entry * next;
  74   PALETTEENTRY entry;
  75 #if 0
  76   unsigned refcount;
  77 #endif
  78 };
  79
  80 extern void w32_regenerate_palette(struct frame *f);
  81
  82 \f
  83 /* For each display (currently only one on w32), we have a structure that
  84    records information about it.  */
  85
  86 struct w32_display_info
  87 {
  88   /* Chain of all w32_display_info structures.  */
  89   struct w32_display_info *next;
  90
  91   /* The generic display parameters corresponding to this w32 display.  */
  92   struct terminal *terminal;
  93
  94   /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
  95      The same cons cell also appears in x_display_name_list.  */
  96   Lisp_Object name_list_element;
  97
  98   /* Number of frames that are on this display.  */
  99   int reference_count;
 100
 101   /* Dots per inch of the screen.  */
 102   double resx, resy;
 103
 104   /* Number of planes on this screen.  */
 105   int n_planes;
 106
 107   /* Number of bits per pixel on this screen.  */
 108   int n_cbits;
 109
 110   /* Dimensions of this screen.  */
 111   int height, width;
 112   int height_in,width_in;
 113
 114   /* Mask of things that cause the mouse to be grabbed.  */
 115   int grabbed;
 116
 117   /* Emacs bitmap-id of the default icon bitmap for this frame.
 118      Or -1 if none has been allocated yet.  */
 119   int icon_bitmap_id;
 120
 121   /* The root window of this screen.  */
 122   Window root_window;
 123
 124   /* The cursor to use for vertical scroll bars.  */
 125   Cursor vertical_scroll_bar_cursor;
 126
 127   /* Resource data base */
 128   XrmDatabase xrdb;
 129
 130   /* color palette information.  */
 131   int has_palette;
 132   struct w32_palette_entry * color_list;
 133   unsigned num_colors;
 134   HPALETTE palette;
 135
 136   /* deferred action flags checked when starting frame update.  */
 137   int regen_palette;
 138
 139   /* Keystroke that has been faked by Emacs and will be ignored when
 140      received; value is reset after key is received.  */
 141   int faked_key;
 142
 143   /* Minimum width over all characters in all fonts in font_table.  */
 144   int smallest_char_width;
 145
 146   /* Minimum font height over all fonts in font_table.  */
 147   int smallest_font_height;
 148
 149   /* Reusable Graphics Context for drawing a cursor in a non-default face. */
 150   XGCValues *scratch_cursor_gc;
 151
 152   /* These variables describe the range of text currently shown in its
 153      mouse-face, together with the window they apply to. As long as
 154      the mouse stays within this range, we need not redraw anything on
 155      its account.  Rows and columns are glyph matrix positions in
 156      MOUSE_FACE_WINDOW.  */
 157   int mouse_face_beg_row, mouse_face_beg_col;
 158   int mouse_face_beg_x, mouse_face_beg_y;
 159   int mouse_face_end_row, mouse_face_end_col;
 160   int mouse_face_end_x, mouse_face_end_y;
 161   int mouse_face_past_end;
 162   Lisp_Object mouse_face_window;
 163   int mouse_face_face_id;
 164   Lisp_Object mouse_face_overlay;
 165
 166   /* 1 if a mouse motion event came and we didn't handle it right away because
 167      gc was in progress.  */
 168   int mouse_face_deferred_gc;
 169
 170   /* FRAME and X, Y position of mouse when last checked for
 171      highlighting.  X and Y can be negative or out of range for the frame.  */
 172   struct frame *mouse_face_mouse_frame;
 173   int mouse_face_mouse_x, mouse_face_mouse_y;
 174
 175   /* Nonzero means defer mouse-motion highlighting.  */
 176   int mouse_face_defer;
 177
 178   /* Nonzero means that the mouse highlight should not be shown.  */
 179   int mouse_face_hidden;
 180
 181   int mouse_face_image_state;
 182
 183   char *w32_id_name;
 184
 185   /* The number of fonts actually stored in w32_font_table.
 186      font_table[n] is used and valid if 0 <= n < n_fonts. 0 <=
 187      n_fonts <= font_table_size. and font_table[i].name != 0. */
 188   int n_fonts;
 189
 190   /* Pointer to bitmap records.  */
 191   struct w32_bitmap_record *bitmaps;
 192
 193   /* Allocated size of bitmaps field.  */
 194   int bitmaps_size;
 195
 196   /* Last used bitmap index.  */
 197   int bitmaps_last;
 198
 199   /* The frame (if any) which has the window that has keyboard focus.
 200      Zero if none.  This is examined by Ffocus_frame in w32fns.c.  Note
 201      that a mere EnterNotify event can set this; if you need to know the
 202      last frame specified in a FocusIn or FocusOut event, use
 203      w32_focus_event_frame.  */
 204   struct frame *w32_focus_frame;
 205
 206   /* The last frame mentioned in a FocusIn or FocusOut event.  This is
 207      separate from w32_focus_frame, because whether or not LeaveNotify
 208      events cause us to lose focus depends on whether or not we have
 209      received a FocusIn event for it.  */
 210   struct frame *w32_focus_event_frame;
 211
 212   /* The frame which currently has the visual highlight, and should get
 213      keyboard input (other sorts of input have the frame encoded in the
 214      event).  It points to the focus frame's selected window's
 215      frame.  It differs from w32_focus_frame when we're using a global
 216      minibuffer.  */
 217   struct frame *x_highlight_frame;
 218 };
 219
 220 /* This is a chain of structures for all the displays currently in use.  */
 221 extern struct w32_display_info *x_display_list;
 222 extern struct w32_display_info one_w32_display_info;
 223
 224 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
 225    one for each element of w32_display_list and in the same order.
 226    NAME is the name of the frame.
 227    FONT-LIST-CACHE records previous values returned by x-list-fonts.  */
 228 extern Lisp_Object w32_display_name_list;
 229
 230 /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'.  */
 231 extern Lisp_Object Vx_pixel_size_width_font_regexp;
 232
 233 struct w32_display_info *x_display_info_for_name ();
 234
 235 Lisp_Object display_x_get_resource P_ ((struct w32_display_info *,
 236                                         Lisp_Object, Lisp_Object,
 237                                         Lisp_Object, Lisp_Object));
 238
 239 extern struct w32_display_info *w32_term_init ();
 240 \f
 241 #define PIX_TYPE COLORREF
 242
 243 /* Each W32 frame object points to its own struct w32_display object
 244    in the output_data.w32 field.  The w32_display structure contains all
 245    the information that is specific to W32 windows.  */
 246
 247 /* Put some things in x_output for compatibility.
 248    NTEMACS_TODO: Move all common things here to eliminate unneccesary
 249    diffs between X and w32 code.  */
 250 struct x_output
 251 {
 252 #if 0 /* These are also defined in struct frame.  Use that instead.  */
 253   PIX_TYPE background_pixel;
 254   PIX_TYPE foreground_pixel;
 255 #endif
 256
 257   /* Keep track of focus.  May be EXPLICIT if we received a FocusIn for this
 258      frame, or IMPLICIT if we received an EnterNotify.
 259      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 260   int focus_state;
 261
 262 };
 263
 264 enum
 265 {
 266   /* Values for focus_state, used as bit mask.
 267      EXPLICIT means we received a FocusIn for the frame and know it has
 268      the focus.  IMPLICIT means we recevied an EnterNotify and the frame
 269      may have the focus if no window manager is running.
 270      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 271   FOCUS_NONE     = 0,
 272   FOCUS_IMPLICIT = 1,
 273   FOCUS_EXPLICIT = 2
 274 };
 275
 276 struct w32_output
 277 {
 278   /* Placeholder for things accessed through output_data.x.  */
 279   struct x_output x_compatible;
 280
 281   /* Menubar "widget" handle.  */
 282   HMENU menubar_widget;
 283
 284   /* Original palette (used to deselect real palette after drawing) */
 285   HPALETTE old_palette;
 286
 287   /* Here are the Graphics Contexts for the default font.  */
 288   XGCValues *cursor_gc;                         /* cursor drawing */
 289
 290   /* The window used for this frame.
 291      May be zero while the frame object is being created
 292      and the window has not yet been created.  */
 293   Window window_desc;
 294
 295   /* The window that is the parent of this window.
 296      Usually this is a window that was made by the window manager,
 297      but it can be the root window, and it can be explicitly specified
 298      (see the explicit_parent field, below).  */
 299   Window parent_desc;
 300
 301   /* Default ASCII font of this frame. */
 302   struct font *font;
 303
 304   /* The baseline offset of the default ASCII font.  */
 305   int baseline_offset;
 306
 307   /* If a fontset is specified for this frame instead of font, this
 308      value contains an ID of the fontset, else -1.  */
 309   int fontset;
 310
 311   /* Pixel values used for various purposes.
 312      border_pixel may be -1 meaning use a gray tile.  */
 313   COLORREF cursor_pixel;
 314   COLORREF border_pixel;
 315   COLORREF mouse_pixel;
 316   COLORREF cursor_foreground_pixel;
 317
 318   /* Foreground color for scroll bars.  A value of -1 means use the
 319      default (black for non-toolkit scroll bars).  */
 320   COLORREF scroll_bar_foreground_pixel;
 321
 322   /* Background color for scroll bars.  A value of -1 means use the
 323      default (background color of the frame for non-toolkit scroll
 324      bars).  */
 325   COLORREF scroll_bar_background_pixel;
 326
 327   /* Descriptor for the cursor in use for this window.  */
 328   Cursor text_cursor;
 329   Cursor nontext_cursor;
 330   Cursor modeline_cursor;
 331   Cursor hand_cursor;
 332   Cursor hourglass_cursor;
 333   Cursor horizontal_drag_cursor;
 334
 335   /* Non-zero means hourglass cursor is currently displayed.  */
 336   unsigned hourglass_p : 1;
 337
 338   /* Non-hourglass cursor that is currently active.  */
 339   Cursor current_cursor;
 340
 341   /* Flag to set when the window needs to be completely repainted.  */
 342   int needs_exposure;
 343
 344   DWORD dwStyle;
 345
 346   /* This is the Emacs structure for the display this frame is on.  */
 347   /* struct w32_display_info *display_info; */
 348
 349   /* Nonzero means our parent is another application's window
 350      and was explicitly specified.  */
 351   char explicit_parent;
 352
 353   /* Nonzero means tried already to make this frame visible.  */
 354   char asked_for_visible;
 355
 356   /* Nonzero means menubar is currently active.  */
 357   char menubar_active;
 358
 359   /* Nonzero means menubar is about to become active, but should be
 360      brought up to date first.  */
 361   volatile char pending_menu_activation;
 362
 363   /* Relief GCs, colors etc.  */
 364   struct relief
 365   {
 366     XGCValues *gc;
 367     unsigned long pixel;
 368     int allocated_p;
 369   }
 370   black_relief, white_relief;
 371
 372   /* The background for which the above relief GCs were set up.
 373      They are changed only when a different background is involved.  */
 374   unsigned long relief_background;
 375 };
 376
 377 extern struct w32_output w32term_display;
 378
 379 /* Return the X output data for frame F.  */
 380 #define FRAME_X_OUTPUT(f) ((f)->output_data.w32)
 381
 382 /* Return the window associated with the frame F.  */
 383 #define FRAME_W32_WINDOW(f) ((f)->output_data.w32->window_desc)
 384 #define FRAME_X_WINDOW(f) ((f)->output_data.w32->window_desc)
 385
 386 #define FRAME_FONT(f) ((f)->output_data.w32->font)
 387 #define FRAME_FONTSET(f) ((f)->output_data.w32->fontset)
 388 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.w32->baseline_offset)
 389
 390 /* This gives the w32_display_info structure for the display F is on.  */
 391 #define FRAME_W32_DISPLAY_INFO(f) (&one_w32_display_info)
 392 #define FRAME_X_DISPLAY_INFO(f) (&one_w32_display_info)
 393
 394 /* This is the `Display *' which frame F is on.  */
 395 #define FRAME_X_DISPLAY(f) (0)
 396
 397 /* Value is the smallest width of any character in any font on frame F.  */
 398
 399 #define FRAME_SMALLEST_CHAR_WIDTH(F) \
 400      FRAME_W32_DISPLAY_INFO(F)->smallest_char_width
 401
 402 /* Value is the smallest height of any font on frame F.  */
 403
 404 #define FRAME_SMALLEST_FONT_HEIGHT(F) \
 405      FRAME_W32_DISPLAY_INFO(F)->smallest_font_height
 406 \f
 407 /* W32-specific scroll bar stuff.  */
 408
 409 /* We represent scroll bars as lisp vectors.  This allows us to place
 410    references to them in windows without worrying about whether we'll
 411    end up with windows referring to dead scroll bars; the garbage
 412    collector will free it when its time comes.
 413
 414    We use struct scroll_bar as a template for accessing fields of the
 415    vector.  */
 416
 417 struct scroll_bar {
 418
 419   /* These fields are shared by all vectors.  */
 420   EMACS_INT size_from_Lisp_Vector_struct;
 421   struct Lisp_Vector *next_from_Lisp_Vector_struct;
 422
 423   /* The window we're a scroll bar for.  */
 424   Lisp_Object window;
 425
 426   /* The next and previous in the chain of scroll bars in this frame.  */
 427   Lisp_Object next, prev;
 428
 429   /* The window representing this scroll bar.  Since this is a full
 430      32-bit quantity, we store it split into two 32-bit values.  */
 431   Lisp_Object w32_window_low, w32_window_high;
 432
 433   /* Same as above for the widget.  */
 434   Lisp_Object w32_widget_low, w32_widget_high;
 435
 436   /* The position and size of the scroll bar in pixels, relative to the
 437      frame.  */
 438   Lisp_Object top, left, width, height;
 439
 440   /* The starting and ending positions of the handle, relative to the
 441      handle area (i.e. zero is the top position, not
 442      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 443      hasn't been drawn yet.
 444
 445      These are not actually the locations where the beginning and end
 446      are drawn; in order to keep handles from becoming invisible when
 447      editing large files, we establish a minimum height by always
 448      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 449      where they would be normally; the bottom and top are in a
 450      different co-ordinate system.  */
 451   Lisp_Object start, end;
 452
 453   /* If the scroll bar handle is currently being dragged by the user,
 454      this is the number of pixels from the top of the handle to the
 455      place where the user grabbed it.  If the handle isn't currently
 456      being dragged, this is Qnil.  */
 457   Lisp_Object dragging;
 458
 459   /* t if the background of the fringe that is adjacent to a scroll
 460      bar is extended to the gap between the fringe and the bar.  */
 461   Lisp_Object fringe_extended_p;
 462 };
 463
 464 /* The number of elements a vector holding a struct scroll_bar needs.  */
 465 #define SCROLL_BAR_VEC_SIZE                                     \
 466   ((sizeof (struct scroll_bar)                                  \
 467     - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *))       \
 468    / sizeof (Lisp_Object))
 469
 470 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 471 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 472
 473
 474 /* Building a 32-bit C integer from two 16-bit lisp integers.  */
 475 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
 476
 477 /* Setting two lisp integers to the low and high words of a 32-bit C int.  */
 478 #define SCROLL_BAR_UNPACK(low, high, int32) \
 479   (XSETINT ((low),   (int32)        & 0xffff), \
 480    XSETINT ((high), ((int32) >> 16) & 0xffff))
 481
 482
 483 /* Extract the window id of the scroll bar from a struct scroll_bar.  */
 484 #define SCROLL_BAR_W32_WINDOW(ptr) \
 485   ((Window) SCROLL_BAR_PACK ((ptr)->w32_window_low, (ptr)->w32_window_high))
 486
 487 /* Store a window id in a struct scroll_bar.  */
 488 #define SET_SCROLL_BAR_W32_WINDOW(ptr, id) \
 489   (SCROLL_BAR_UNPACK ((ptr)->w32_window_low, (ptr)->w32_window_high, (int) id))
 490
 491 /* Extract the X widget of the scroll bar from a struct scroll_bar.  */
 492 #define SCROLL_BAR_X_WIDGET(ptr) \
 493   ((Widget) SCROLL_BAR_PACK ((ptr)->x_widget_low, (ptr)->x_widget_high))
 494
 495 /* Store a widget id in a struct scroll_bar.  */
 496 #define SET_SCROLL_BAR_X_WIDGET(ptr, w) \
 497   (SCROLL_BAR_UNPACK ((ptr)->x_widget_low, (ptr)->x_widget_high, (int) w))
 498
 499 /* Return the inside width of a vertical scroll bar, given the outside
 500    width.  */
 501 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f,width) \
 502   ((width) \
 503    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 504    - VERTICAL_SCROLL_BAR_RIGHT_BORDER \
 505    - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2)
 506
 507 /* Return the length of the rectangle within which the top of the
 508    handle must stay.  This isn't equivalent to the inside height,
 509    because the scroll bar handle has a minimum height.
 510
 511    This is the real range of motion for the scroll bar, so when we're
 512    scaling buffer positions to scroll bar positions, we use this, not
 513    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 514 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f,height) \
 515   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
 516
 517 /* Return the inside height of vertical scroll bar, given the outside
 518    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 519 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f,height) \
 520   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 521
 522
 523 /* Border widths for scroll bars.
 524
 525    Scroll bar windows don't have any borders; their border width is
 526    set to zero, and we redraw borders ourselves.  This makes the code
 527    a bit cleaner, since we don't have to convert between outside width
 528    (used when relating to the rest of the screen) and inside width
 529    (used when sizing and drawing the scroll bar window itself).
 530
 531    The handle moves up and down/back and forth in a rectangle inset
 532    from the edges of the scroll bar.  These are widths by which we
 533    inset the handle boundaries from the scroll bar edges.  */
 534 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0)
 535 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0)
 536 #define VERTICAL_SCROLL_BAR_TOP_BORDER (vertical_scroll_bar_top_border)
 537 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (vertical_scroll_bar_bottom_border)
 538
 539 /* Minimum lengths for scroll bar handles, in pixels.  */
 540 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (vertical_scroll_bar_min_handle)
 541
 542 /* Trimming off a few pixels from each side prevents
 543    text from glomming up against the scroll bar */
 544 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
 545
 546 \f
 547 extern void w32_fill_rect ();
 548 extern void w32_clear_window ();
 549
 550 #define w32_fill_area(f,hdc,pix,x,y,nx,ny) \
 551 do { \
 552     RECT rect; \
 553     rect.left = x; \
 554     rect.top = y; \
 555     rect.right = x + nx; \
 556     rect.bottom = y + ny; \
 557     w32_fill_rect (f,hdc,pix,&rect); \
 558 } while (0)
 559
 560 #define w32_clear_rect(f,hdc,lprect) \
 561   w32_fill_rect (f, hdc, FRAME_BACKGROUND_PIXEL (f), lprect)
 562
 563 #define w32_clear_area(f,hdc,px,py,nx,ny) \
 564   w32_fill_area (f, hdc, FRAME_BACKGROUND_PIXEL (f), px, py, nx, ny)
 565
 566 /* Define for earlier versions of Visual C */
 567 #ifndef WM_MOUSEWHEEL
 568 #define WM_MOUSEWHEEL                  (WM_MOUSELAST + 1)
 569 #endif /* WM_MOUSEWHEEL */
 570 #ifndef MSH_MOUSEWHEEL
 571 #define MSH_MOUSEWHEEL                 "MSWHEEL_ROLLMSG"
 572 #endif /* MSH_MOUSEWHEEL */
 573 #ifndef WM_XBUTTONDOWN
 574 #define WM_XBUTTONDOWN                 (WM_MOUSEWHEEL + 1)
 575 #define WM_XBUTTONUP                   (WM_MOUSEWHEEL + 2)
 576 #endif /* WM_XBUTTONDOWN */
 577 #ifndef WM_MOUSEHWHEEL
 578 #define WM_MOUSEHWHEEL                 (WM_MOUSEWHEEL + 4)
 579 #endif /* WM_MOUSEHWHEEL  */
 580 #ifndef WM_APPCOMMAND
 581 #define WM_APPCOMMAND 0x319
 582 #define GET_APPCOMMAND_LPARAM(lParam)  (HIWORD(lParam) & 0x7fff)
 583 #endif
 584 #ifndef WM_UNICHAR
 585 #define WM_UNICHAR 0x109
 586 #endif
 587 #ifndef UNICODE_NOCHAR
 588 #define UNICODE_NOCHAR 0xFFFF
 589 #endif
 590
 591 #define WM_EMACS_START                 (WM_USER + 1)
 592 #define WM_EMACS_KILL                  (WM_EMACS_START + 0)
 593 #define WM_EMACS_CREATEWINDOW          (WM_EMACS_START + 1)
 594 #define WM_EMACS_DONE                  (WM_EMACS_START + 2)
 595 #define WM_EMACS_CREATESCROLLBAR       (WM_EMACS_START + 3)
 596 #define WM_EMACS_SHOWWINDOW            (WM_EMACS_START + 4)
 597 #define WM_EMACS_SETWINDOWPOS          (WM_EMACS_START + 5)
 598 #define WM_EMACS_DESTROYWINDOW         (WM_EMACS_START + 6)
 599 #define WM_EMACS_TRACKPOPUPMENU        (WM_EMACS_START + 7)
 600 #define WM_EMACS_SETFOCUS              (WM_EMACS_START + 8)
 601 #define WM_EMACS_SETFOREGROUND         (WM_EMACS_START + 9)
 602 #define WM_EMACS_SETLOCALE             (WM_EMACS_START + 10)
 603 #define WM_EMACS_SETKEYBOARDLAYOUT     (WM_EMACS_START + 11)
 604 #define WM_EMACS_REGISTER_HOT_KEY      (WM_EMACS_START + 12)
 605 #define WM_EMACS_UNREGISTER_HOT_KEY    (WM_EMACS_START + 13)
 606 #define WM_EMACS_TOGGLE_LOCK_KEY       (WM_EMACS_START + 14)
 607 #define WM_EMACS_TRACK_CARET           (WM_EMACS_START + 15)
 608 #define WM_EMACS_DESTROY_CARET         (WM_EMACS_START + 16)
 609 #define WM_EMACS_SHOW_CARET            (WM_EMACS_START + 17)
 610 #define WM_EMACS_HIDE_CARET            (WM_EMACS_START + 18)
 611 #define WM_EMACS_SETCURSOR             (WM_EMACS_START + 19)
 612 #define WM_EMACS_END                   (WM_EMACS_START + 20)
 613
 614 #define WND_FONTWIDTH_INDEX    (0)
 615 #define WND_LINEHEIGHT_INDEX   (4)
 616 #define WND_BORDER_INDEX       (8)
 617 #define WND_SCROLLBAR_INDEX    (12)
 618 #define WND_BACKGROUND_INDEX   (16)
 619 #define WND_LAST_INDEX         (20)
 620
 621 #define WND_EXTRA_BYTES     (WND_LAST_INDEX)
 622
 623 extern DWORD dwWindowsThreadId;
 624 extern HANDLE hWindowsThread;
 625 extern DWORD dwMainThreadId;
 626 extern HANDLE hMainThread;
 627
 628 typedef struct W32Msg {
 629     MSG msg;
 630     DWORD dwModifiers;
 631     RECT rect;
 632 } W32Msg;
 633
 634 /* Structure for recording message when input thread must return a
 635    result that depends on lisp thread to compute.  Lisp thread can
 636    complete deferred messages out of order.  */
 637 typedef struct deferred_msg
 638 {
 639   struct deferred_msg * next;
 640   W32Msg                w32msg;
 641   LRESULT               result;
 642   int                   completed;
 643 } deferred_msg;
 644
 645 extern CRITICAL_SECTION critsect;
 646
 647 extern void init_crit ();
 648 extern void delete_crit ();
 649
 650 extern void signal_quit ();
 651
 652 #define enter_crit() EnterCriticalSection (&critsect)
 653 #define leave_crit() LeaveCriticalSection (&critsect)
 654
 655 extern void select_palette (struct frame * f, HDC hdc);
 656 extern void deselect_palette (struct frame * f, HDC hdc);
 657 extern HDC get_frame_dc (struct frame * f);
 658 extern int release_frame_dc (struct frame * f, HDC hDC);
 659
 660 extern void drain_message_queue ();
 661
 662 extern BOOL get_next_msg ();
 663 extern BOOL post_msg ();
 664 extern void complete_deferred_msg (HWND hwnd, UINT msg, LRESULT result);
 665 extern void wait_for_sync ();
 666
 667 extern BOOL parse_button ();
 668
 669 extern void w32_sys_ring_bell (struct frame *f);
 670 extern void x_delete_display (struct w32_display_info *dpyinfo);
 671
 672 /* Keypad command key support.  W32 doesn't have virtual keys defined
 673    for the function keys on the keypad (they are mapped to the standard
 674    fuction keys), so we define our own.  */
 675 #define VK_NUMPAD_BEGIN         0x92
 676 #define VK_NUMPAD_CLEAR         (VK_NUMPAD_BEGIN + 0)
 677 #define VK_NUMPAD_ENTER         (VK_NUMPAD_BEGIN + 1)
 678 #define VK_NUMPAD_PRIOR         (VK_NUMPAD_BEGIN + 2)
 679 #define VK_NUMPAD_NEXT          (VK_NUMPAD_BEGIN + 3)
 680 #define VK_NUMPAD_END           (VK_NUMPAD_BEGIN + 4)
 681 #define VK_NUMPAD_HOME          (VK_NUMPAD_BEGIN + 5)
 682 #define VK_NUMPAD_LEFT          (VK_NUMPAD_BEGIN + 6)
 683 #define VK_NUMPAD_UP            (VK_NUMPAD_BEGIN + 7)
 684 #define VK_NUMPAD_RIGHT         (VK_NUMPAD_BEGIN + 8)
 685 #define VK_NUMPAD_DOWN          (VK_NUMPAD_BEGIN + 9)
 686 #define VK_NUMPAD_INSERT        (VK_NUMPAD_BEGIN + 10)
 687 #define VK_NUMPAD_DELETE        (VK_NUMPAD_BEGIN + 11)
 688
 689 #ifndef VK_LWIN
 690 /* Older compiler environments don't have these defined.  */
 691 #define VK_LWIN                 0x5B
 692 #define VK_RWIN                 0x5C
 693 #define VK_APPS                 0x5D
 694 #endif
 695
 696 /* Support for treating Windows and Apps keys as modifiers.  These
 697    constants must not overlap with any of the dwControlKeyState flags in
 698    KEY_EVENT_RECORD.  */
 699 #define LEFT_WIN_PRESSED       0x8000
 700 #define RIGHT_WIN_PRESSED      0x4000
 701 #define APPS_PRESSED           0x2000
 702
 703 /* When compiling on Windows 9x/ME and NT 3.x, the following are not defined
 704    (even though they are supported on 98 and ME.  */
 705 #ifndef WM_MOUSELEAVE
 706 #define WM_MOUSELEAVE 0x02A3
 707 #define TME_LEAVE 0x00000002;
 708
 709 typedef struct tagTRACKMOUSEEVENT
 710 {
 711   DWORD cbSize;
 712   DWORD dwFlags;
 713   HWND hwndTrack;
 714   DWORD dwHoverTime;
 715 } TRACKMOUSEEVENT;
 716 #endif
 717
 718 struct image;
 719 struct face;
 720
 721 XGCValues *XCreateGC (void *, Window, unsigned long, XGCValues *);
 722 struct frame * check_x_frame (Lisp_Object);
 723
 724 EXFUN (Fx_display_color_p, 1);
 725 EXFUN (Fx_display_grayscale_p, 1);
 726
 727 typedef DWORD (WINAPI * ClipboardSequence_Proc) ();
 728 typedef BOOL (WINAPI * AppendMenuW_Proc) (
 729     IN HMENU,
 730     IN UINT,
 731     IN UINT_PTR,
 732     IN LPCWSTR);
 733
 734 /* arch-tag: f201d05a-1240-4fc5-8ea4-ca24d4ee5671
 735    (do not change this comment) */