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 Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3, or (at your option)
  10 any later version.
  11
  12 GNU Emacs is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Emacs; see the file COPYING.  If not, write to
  19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20 Boston, MA 02110-1301, USA.  */
  21
  22 /* Added by Kevin Gallo */
  23
  24 #include "w32gui.h"
  25
  26 \f
  27 #define BLACK_PIX_DEFAULT(f) PALETTERGB(0,0,0)
  28 #define WHITE_PIX_DEFAULT(f) PALETTERGB(255,255,255)
  29
  30 #define FONT_WIDTH(f)       \
  31   ((f)->bdf ? (f)->bdf->width : (f)->tm.tmAveCharWidth)
  32 #define FONT_HEIGHT(f)      \
  33    ((f)->bdf ? (f)->bdf->height : (f)->tm.tmHeight)
  34 #define FONT_BASE(f)        \
  35   ((f)->bdf ? (f)->bdf->ury : (f)->tm.tmAscent)
  36 #define FONT_DESCENT(f)     \
  37   ((f)->bdf ? -((f)->bdf->lly) : (f)->tm.tmDescent)
  38 #define FONT_MAX_WIDTH(f)   \
  39   ((f)->bdf ? (f)->bdf->width : (f)->tm.tmMaxCharWidth)
  40
  41 #define CP_DEFAULT 1004
  42 /* Special pseudo-codepages. */
  43 #define CP_8BIT      -1
  44 #define CP_UNICODE   -2
  45 #define CP_UNKNOWN   -3
  46
  47 #define CHECK_W32_FRAME(f, frame)               \
  48   if (NILP (frame))                             \
  49     f = SELECTED_FRAME ();                      \
  50   else                                          \
  51     {                                           \
  52       CHECK_LIVE_FRAME (frame, 0);              \
  53       f = XFRAME (frame);                       \
  54     }                                           \
  55   if (! FRAME_W32_P (f))
  56
  57 /* Indicates whether we are in the readsocket call and the message we
  58    are processing in the current loop */
  59
  60 extern MSG CurMsg;
  61 extern BOOL bUseDflt;
  62
  63 extern struct frame *x_window_to_frame ();
  64
  65 /* Structure recording bitmaps and reference count.
  66    If REFCOUNT is 0 then this record is free to be reused.  */
  67
  68 struct w32_bitmap_record
  69 {
  70   Pixmap pixmap;
  71   char *file;
  72   HINSTANCE hinst; /* Used to load the file */
  73   int refcount;
  74   /* Record some info about this pixmap.  */
  75   int height, width, depth;
  76 };
  77
  78 /* Palette book-keeping stuff for mapping requested colors into the
  79    system palette.  Keep a ref-counted list of requested colors and
  80    regenerate the app palette whenever the requested list changes. */
  81
  82 extern Lisp_Object Vw32_enable_palette;
  83
  84 struct w32_palette_entry {
  85   struct w32_palette_entry * next;
  86   PALETTEENTRY entry;
  87 #if 0
  88   unsigned refcount;
  89 #endif
  90 };
  91
  92 extern void w32_regenerate_palette(struct frame *f);
  93
  94 \f
  95 /* For each display (currently only one on w32), we have a structure that
  96    records information about it.  */
  97
  98 struct w32_display_info
  99 {
 100   /* Chain of all w32_display_info structures.  */
 101   struct w32_display_info *next;
 102
 103   /* The generic display parameters corresponding to this w32 display.  */
 104   struct terminal *terminal;
 105
 106   /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
 107      The same cons cell also appears in x_display_name_list.  */
 108   Lisp_Object name_list_element;
 109
 110   /* Number of frames that are on this display.  */
 111   int reference_count;
 112
 113   /* Dots per inch of the screen.  */
 114   double resx, resy;
 115
 116   /* Number of planes on this screen.  */
 117   int n_planes;
 118
 119   /* Number of bits per pixel on this screen.  */
 120   int n_cbits;
 121
 122   /* Dimensions of this screen.  */
 123   int height, width;
 124   int height_in,width_in;
 125
 126   /* Mask of things that cause the mouse to be grabbed.  */
 127   int grabbed;
 128
 129   /* Emacs bitmap-id of the default icon bitmap for this frame.
 130      Or -1 if none has been allocated yet.  */
 131   int icon_bitmap_id;
 132
 133   /* The root window of this screen.  */
 134   Window root_window;
 135
 136   /* The cursor to use for vertical scroll bars.  */
 137   Cursor vertical_scroll_bar_cursor;
 138
 139   /* Resource data base */
 140   XrmDatabase xrdb;
 141
 142   /* color palette information.  */
 143   int has_palette;
 144   struct w32_palette_entry * color_list;
 145   unsigned num_colors;
 146   HPALETTE palette;
 147
 148   /* deferred action flags checked when starting frame update.  */
 149   int regen_palette;
 150
 151   /* Keystroke that has been faked by Emacs and will be ignored when
 152      received; value is reset after key is received.  */
 153   int faked_key;
 154
 155   /* A table of all the fonts we have already loaded.  */
 156   struct font_info *font_table;
 157
 158   /* The current capacity of font_table.  */
 159   int font_table_size;
 160
 161   /* Minimum width over all characters in all fonts in font_table.  */
 162   int smallest_char_width;
 163
 164   /* Minimum font height over all fonts in font_table.  */
 165   int smallest_font_height;
 166
 167   /* Reusable Graphics Context for drawing a cursor in a non-default face. */
 168   XGCValues *scratch_cursor_gc;
 169
 170   /* These variables describe the range of text currently shown in its
 171      mouse-face, together with the window they apply to. As long as
 172      the mouse stays within this range, we need not redraw anything on
 173      its account.  Rows and columns are glyph matrix positions in
 174      MOUSE_FACE_WINDOW.  */
 175   int mouse_face_beg_row, mouse_face_beg_col;
 176   int mouse_face_beg_x, mouse_face_beg_y;
 177   int mouse_face_end_row, mouse_face_end_col;
 178   int mouse_face_end_x, mouse_face_end_y;
 179   int mouse_face_past_end;
 180   Lisp_Object mouse_face_window;
 181   int mouse_face_face_id;
 182   Lisp_Object mouse_face_overlay;
 183
 184   /* 1 if a mouse motion event came and we didn't handle it right away because
 185      gc was in progress.  */
 186   int mouse_face_deferred_gc;
 187
 188   /* FRAME and X, Y position of mouse when last checked for
 189      highlighting.  X and Y can be negative or out of range for the frame.  */
 190   struct frame *mouse_face_mouse_frame;
 191   int mouse_face_mouse_x, mouse_face_mouse_y;
 192
 193   /* Nonzero means defer mouse-motion highlighting.  */
 194   int mouse_face_defer;
 195
 196   /* Nonzero means that the mouse highlight should not be shown.  */
 197   int mouse_face_hidden;
 198
 199   int mouse_face_image_state;
 200
 201   char *w32_id_name;
 202
 203   /* The number of fonts actually stored in w32_font_table.
 204      font_table[n] is used and valid if 0 <= n < n_fonts. 0 <=
 205      n_fonts <= font_table_size. and font_table[i].name != 0. */
 206   int n_fonts;
 207
 208   /* Pointer to bitmap records.  */
 209   struct w32_bitmap_record *bitmaps;
 210
 211   /* Allocated size of bitmaps field.  */
 212   int bitmaps_size;
 213
 214   /* Last used bitmap index.  */
 215   int bitmaps_last;
 216
 217   /* The frame (if any) which has the window that has keyboard focus.
 218      Zero if none.  This is examined by Ffocus_frame in w32fns.c.  Note
 219      that a mere EnterNotify event can set this; if you need to know the
 220      last frame specified in a FocusIn or FocusOut event, use
 221      w32_focus_event_frame.  */
 222   struct frame *w32_focus_frame;
 223
 224   /* The last frame mentioned in a FocusIn or FocusOut event.  This is
 225      separate from w32_focus_frame, because whether or not LeaveNotify
 226      events cause us to lose focus depends on whether or not we have
 227      received a FocusIn event for it.  */
 228   struct frame *w32_focus_event_frame;
 229
 230   /* The frame which currently has the visual highlight, and should get
 231      keyboard input (other sorts of input have the frame encoded in the
 232      event).  It points to the focus frame's selected window's
 233      frame.  It differs from w32_focus_frame when we're using a global
 234      minibuffer.  */
 235   struct frame *x_highlight_frame;
 236
 237   /* Cache of images.  */
 238   struct image_cache *image_cache;
 239 };
 240
 241 /* This is a chain of structures for all the displays currently in use.  */
 242 extern struct w32_display_info *x_display_list;
 243 extern struct w32_display_info one_w32_display_info;
 244
 245 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
 246    one for each element of w32_display_list and in the same order.
 247    NAME is the name of the frame.
 248    FONT-LIST-CACHE records previous values returned by x-list-fonts.  */
 249 extern Lisp_Object w32_display_name_list;
 250
 251 /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'.  */
 252 extern Lisp_Object Vx_pixel_size_width_font_regexp;
 253
 254 struct w32_display_info *x_display_info_for_name ();
 255
 256 Lisp_Object display_x_get_resource P_ ((struct w32_display_info *,
 257                                         Lisp_Object, Lisp_Object,
 258                                         Lisp_Object, Lisp_Object));
 259
 260 extern struct w32_display_info *w32_term_init ();
 261 \f
 262 extern Lisp_Object w32_list_fonts P_ ((struct frame *, Lisp_Object, int, int));
 263 extern struct font_info *w32_get_font_info (), *w32_query_font ();
 264 extern void w32_cache_char_metrics (XFontStruct *font);
 265 extern void w32_find_ccl_program();
 266 \f
 267 #define PIX_TYPE COLORREF
 268
 269 /* Each W32 frame object points to its own struct w32_display object
 270    in the output_data.w32 field.  The w32_display structure contains all
 271    the information that is specific to W32 windows.  */
 272
 273 /* Put some things in x_output for compatibility.
 274    NTEMACS_TODO: Move all common things here to eliminate unneccesary
 275    diffs between X and w32 code.  */
 276 struct x_output
 277 {
 278 #if 0 /* These are also defined in struct frame.  Use that instead.  */
 279   PIX_TYPE background_pixel;
 280   PIX_TYPE foreground_pixel;
 281 #endif
 282
 283   /* Keep track of focus.  May be EXPLICIT if we received a FocusIn for this
 284      frame, or IMPLICIT if we received an EnterNotify.
 285      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 286   int focus_state;
 287
 288 };
 289
 290 enum
 291 {
 292   /* Values for focus_state, used as bit mask.
 293      EXPLICIT means we received a FocusIn for the frame and know it has
 294      the focus.  IMPLICIT means we recevied an EnterNotify and the frame
 295      may have the focus if no window manager is running.
 296      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 297   FOCUS_NONE     = 0,
 298   FOCUS_IMPLICIT = 1,
 299   FOCUS_EXPLICIT = 2
 300 };
 301
 302 struct w32_output
 303 {
 304   /* Placeholder for things accessed through output_data.x.  */
 305   struct x_output x_compatible;
 306
 307   /* Menubar "widget" handle.  */
 308   HMENU menubar_widget;
 309
 310   /* Original palette (used to deselect real palette after drawing) */
 311   HPALETTE old_palette;
 312
 313   /* Here are the Graphics Contexts for the default font.  */
 314   XGCValues *cursor_gc;                         /* cursor drawing */
 315
 316   /* The window used for this frame.
 317      May be zero while the frame object is being created
 318      and the window has not yet been created.  */
 319   Window window_desc;
 320
 321   /* The window that is the parent of this window.
 322      Usually this is a window that was made by the window manager,
 323      but it can be the root window, and it can be explicitly specified
 324      (see the explicit_parent field, below).  */
 325   Window parent_desc;
 326
 327   /* Default ASCII font of this frame. */
 328   XFontStruct *font;
 329
 330   /* The baseline offset of the default ASCII font.  */
 331   int baseline_offset;
 332
 333   /* If a fontset is specified for this frame instead of font, this
 334      value contains an ID of the fontset, else -1.  */
 335   int fontset;
 336
 337   /* Pixel values used for various purposes.
 338      border_pixel may be -1 meaning use a gray tile.  */
 339   COLORREF cursor_pixel;
 340   COLORREF border_pixel;
 341   COLORREF mouse_pixel;
 342   COLORREF cursor_foreground_pixel;
 343
 344   /* Foreground color for scroll bars.  A value of -1 means use the
 345      default (black for non-toolkit scroll bars).  */
 346   COLORREF scroll_bar_foreground_pixel;
 347
 348   /* Background color for scroll bars.  A value of -1 means use the
 349      default (background color of the frame for non-toolkit scroll
 350      bars).  */
 351   COLORREF scroll_bar_background_pixel;
 352
 353   /* Descriptor for the cursor in use for this window.  */
 354   Cursor text_cursor;
 355   Cursor nontext_cursor;
 356   Cursor modeline_cursor;
 357   Cursor hand_cursor;
 358   Cursor hourglass_cursor;
 359   Cursor horizontal_drag_cursor;
 360
 361   /* Window whose cursor is hourglass_cursor.  This window is
 362      temporarily mapped to display an hourglass cursor.  */
 363   Window hourglass_window;
 364
 365   /* Non-zero means hourglass cursor is currently displayed.  */
 366   unsigned hourglass_p : 1;
 367
 368   /* Flag to set when the window needs to be completely repainted.  */
 369   int needs_exposure;
 370
 371   DWORD dwStyle;
 372
 373   /* This is the Emacs structure for the display this frame is on.  */
 374   /* struct w32_display_info *display_info; */
 375
 376   /* Nonzero means our parent is another application's window
 377      and was explicitly specified.  */
 378   char explicit_parent;
 379
 380   /* Nonzero means tried already to make this frame visible.  */
 381   char asked_for_visible;
 382
 383   /* Nonzero means menubar is currently active.  */
 384   char menubar_active;
 385
 386   /* Nonzero means menubar is about to become active, but should be
 387      brought up to date first.  */
 388   volatile char pending_menu_activation;
 389
 390   /* Relief GCs, colors etc.  */
 391   struct relief
 392   {
 393     XGCValues *gc;
 394     unsigned long pixel;
 395     int allocated_p;
 396   }
 397   black_relief, white_relief;
 398
 399   /* The background for which the above relief GCs were set up.
 400      They are changed only when a different background is involved.  */
 401   unsigned long relief_background;
 402 };
 403
 404 extern struct w32_output w32term_display;
 405
 406 /* Return the X output data for frame F.  */
 407 #define FRAME_X_OUTPUT(f) ((f)->output_data.w32)
 408
 409 /* Return the window associated with the frame F.  */
 410 #define FRAME_W32_WINDOW(f) ((f)->output_data.w32->window_desc)
 411 #define FRAME_X_WINDOW(f) ((f)->output_data.w32->window_desc)
 412
 413 #define FRAME_FONT(f) ((f)->output_data.w32->font)
 414 #define FRAME_FONTSET(f) ((f)->output_data.w32->fontset)
 415 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.w32->baseline_offset)
 416
 417 /* This gives the w32_display_info structure for the display F is on.  */
 418 #define FRAME_W32_DISPLAY_INFO(f) (&one_w32_display_info)
 419 #define FRAME_X_DISPLAY_INFO(f) (&one_w32_display_info)
 420
 421 /* This is the `Display *' which frame F is on.  */
 422 #define FRAME_X_DISPLAY(f) (0)
 423
 424 /* This is the 'font_info *' which frame F has.  */
 425 #define FRAME_W32_FONT_TABLE(f) (FRAME_W32_DISPLAY_INFO (f)->font_table)
 426
 427 /* Value is the smallest width of any character in any font on frame F.  */
 428
 429 #define FRAME_SMALLEST_CHAR_WIDTH(F) \
 430      FRAME_W32_DISPLAY_INFO(F)->smallest_char_width
 431
 432 /* Value is the smallest height of any font on frame F.  */
 433
 434 #define FRAME_SMALLEST_FONT_HEIGHT(F) \
 435      FRAME_W32_DISPLAY_INFO(F)->smallest_font_height
 436
 437 /* Return a pointer to the image cache of frame F.  */
 438
 439 #define FRAME_X_IMAGE_CACHE(F) FRAME_W32_DISPLAY_INFO ((F))->image_cache
 440
 441 \f
 442 /* W32-specific scroll bar stuff.  */
 443
 444 /* We represent scroll bars as lisp vectors.  This allows us to place
 445    references to them in windows without worrying about whether we'll
 446    end up with windows referring to dead scroll bars; the garbage
 447    collector will free it when its time comes.
 448
 449    We use struct scroll_bar as a template for accessing fields of the
 450    vector.  */
 451
 452 struct scroll_bar {
 453
 454   /* These fields are shared by all vectors.  */
 455   EMACS_INT size_from_Lisp_Vector_struct;
 456   struct Lisp_Vector *next_from_Lisp_Vector_struct;
 457
 458   /* The window we're a scroll bar for.  */
 459   Lisp_Object window;
 460
 461   /* The next and previous in the chain of scroll bars in this frame.  */
 462   Lisp_Object next, prev;
 463
 464   /* The window representing this scroll bar.  Since this is a full
 465      32-bit quantity, we store it split into two 32-bit values.  */
 466   Lisp_Object w32_window_low, w32_window_high;
 467
 468   /* Same as above for the widget.  */
 469   Lisp_Object w32_widget_low, w32_widget_high;
 470
 471   /* The position and size of the scroll bar in pixels, relative to the
 472      frame.  */
 473   Lisp_Object top, left, width, height;
 474
 475   /* The starting and ending positions of the handle, relative to the
 476      handle area (i.e. zero is the top position, not
 477      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 478      hasn't been drawn yet.
 479
 480      These are not actually the locations where the beginning and end
 481      are drawn; in order to keep handles from becoming invisible when
 482      editing large files, we establish a minimum height by always
 483      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 484      where they would be normally; the bottom and top are in a
 485      different co-ordinate system.  */
 486   Lisp_Object start, end;
 487
 488   /* If the scroll bar handle is currently being dragged by the user,
 489      this is the number of pixels from the top of the handle to the
 490      place where the user grabbed it.  If the handle isn't currently
 491      being dragged, this is Qnil.  */
 492   Lisp_Object dragging;
 493
 494   /* t if the background of the fringe that is adjacent to a scroll
 495      bar is extended to the gap between the fringe and the bar.  */
 496   Lisp_Object fringe_extended_p;
 497 };
 498
 499 /* The number of elements a vector holding a struct scroll_bar needs.  */
 500 #define SCROLL_BAR_VEC_SIZE                                     \
 501   ((sizeof (struct scroll_bar)                                  \
 502     - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *))       \
 503    / sizeof (Lisp_Object))
 504
 505 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 506 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 507
 508
 509 /* Building a 32-bit C integer from two 16-bit lisp integers.  */
 510 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
 511
 512 /* Setting two lisp integers to the low and high words of a 32-bit C int.  */
 513 #define SCROLL_BAR_UNPACK(low, high, int32) \
 514   (XSETINT ((low),   (int32)        & 0xffff), \
 515    XSETINT ((high), ((int32) >> 16) & 0xffff))
 516
 517
 518 /* Extract the window id of the scroll bar from a struct scroll_bar.  */
 519 #define SCROLL_BAR_W32_WINDOW(ptr) \
 520   ((Window) SCROLL_BAR_PACK ((ptr)->w32_window_low, (ptr)->w32_window_high))
 521
 522 /* Store a window id in a struct scroll_bar.  */
 523 #define SET_SCROLL_BAR_W32_WINDOW(ptr, id) \
 524   (SCROLL_BAR_UNPACK ((ptr)->w32_window_low, (ptr)->w32_window_high, (int) id))
 525
 526 /* Extract the X widget of the scroll bar from a struct scroll_bar.  */
 527 #define SCROLL_BAR_X_WIDGET(ptr) \
 528   ((Widget) SCROLL_BAR_PACK ((ptr)->x_widget_low, (ptr)->x_widget_high))
 529
 530 /* Store a widget id in a struct scroll_bar.  */
 531 #define SET_SCROLL_BAR_X_WIDGET(ptr, w) \
 532   (SCROLL_BAR_UNPACK ((ptr)->x_widget_low, (ptr)->x_widget_high, (int) w))
 533
 534 /* Return the inside width of a vertical scroll bar, given the outside
 535    width.  */
 536 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f,width) \
 537   ((width) \
 538    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 539    - VERTICAL_SCROLL_BAR_RIGHT_BORDER \
 540    - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2)
 541
 542 /* Return the length of the rectangle within which the top of the
 543    handle must stay.  This isn't equivalent to the inside height,
 544    because the scroll bar handle has a minimum height.
 545
 546    This is the real range of motion for the scroll bar, so when we're
 547    scaling buffer positions to scroll bar positions, we use this, not
 548    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 549 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f,height) \
 550   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
 551
 552 /* Return the inside height of vertical scroll bar, given the outside
 553    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 554 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f,height) \
 555   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 556
 557
 558 /* Border widths for scroll bars.
 559
 560    Scroll bar windows don't have any borders; their border width is
 561    set to zero, and we redraw borders ourselves.  This makes the code
 562    a bit cleaner, since we don't have to convert between outside width
 563    (used when relating to the rest of the screen) and inside width
 564    (used when sizing and drawing the scroll bar window itself).
 565
 566    The handle moves up and down/back and forth in a rectangle inset
 567    from the edges of the scroll bar.  These are widths by which we
 568    inset the handle boundaries from the scroll bar edges.  */
 569 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0)
 570 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0)
 571 #define VERTICAL_SCROLL_BAR_TOP_BORDER (vertical_scroll_bar_top_border)
 572 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (vertical_scroll_bar_bottom_border)
 573
 574 /* Minimum lengths for scroll bar handles, in pixels.  */
 575 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (vertical_scroll_bar_min_handle)
 576
 577 /* Trimming off a few pixels from each side prevents
 578    text from glomming up against the scroll bar */
 579 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
 580
 581 \f
 582 extern void w32_fill_rect ();
 583 extern void w32_clear_window ();
 584
 585 #define w32_fill_area(f,hdc,pix,x,y,nx,ny) \
 586 do { \
 587     RECT rect; \
 588     rect.left = x; \
 589     rect.top = y; \
 590     rect.right = x + nx; \
 591     rect.bottom = y + ny; \
 592     w32_fill_rect (f,hdc,pix,&rect); \
 593 } while (0)
 594
 595 #define w32_clear_rect(f,hdc,lprect) \
 596   w32_fill_rect (f, hdc, FRAME_BACKGROUND_PIXEL (f), lprect)
 597
 598 #define w32_clear_area(f,hdc,px,py,nx,ny) \
 599   w32_fill_area (f, hdc, FRAME_BACKGROUND_PIXEL (f), px, py, nx, ny)
 600
 601 extern struct font_info *w32_load_font ();
 602 extern void w32_unload_font ();
 603
 604 /* Define for earlier versions of Visual C */
 605 #ifndef WM_MOUSEWHEEL
 606 #define WM_MOUSEWHEEL                  (WM_MOUSELAST + 1)
 607 #endif /* WM_MOUSEWHEEL */
 608 #ifndef MSH_MOUSEWHEEL
 609 #define MSH_MOUSEWHEEL                 "MSWHEEL_ROLLMSG"
 610 #endif /* MSH_MOUSEWHEEL */
 611 #ifndef WM_XBUTTONDOWN
 612 #define WM_XBUTTONDOWN                 (WM_MOUSEWHEEL + 1)
 613 #define WM_XBUTTONUP                   (WM_MOUSEWHEEL + 2)
 614 #endif /* WM_XBUTTONDOWN */
 615 #ifndef WM_MOUSEHWHEEL
 616 #define WM_MOUSEHWHEEL                 (WM_MOUSEWHEEL + 4)
 617 #endif /* WM_MOUSEHWHEEL  */
 618
 619 #define WM_EMACS_START                 (WM_USER + 1)
 620 #define WM_EMACS_KILL                  (WM_EMACS_START + 0)
 621 #define WM_EMACS_CREATEWINDOW          (WM_EMACS_START + 1)
 622 #define WM_EMACS_DONE                  (WM_EMACS_START + 2)
 623 #define WM_EMACS_CREATESCROLLBAR       (WM_EMACS_START + 3)
 624 #define WM_EMACS_SHOWWINDOW            (WM_EMACS_START + 4)
 625 #define WM_EMACS_SETWINDOWPOS          (WM_EMACS_START + 5)
 626 #define WM_EMACS_DESTROYWINDOW         (WM_EMACS_START + 6)
 627 #define WM_EMACS_TRACKPOPUPMENU        (WM_EMACS_START + 7)
 628 #define WM_EMACS_SETFOCUS              (WM_EMACS_START + 8)
 629 #define WM_EMACS_SETFOREGROUND         (WM_EMACS_START + 9)
 630 #define WM_EMACS_SETLOCALE             (WM_EMACS_START + 10)
 631 #define WM_EMACS_SETKEYBOARDLAYOUT     (WM_EMACS_START + 11)
 632 #define WM_EMACS_REGISTER_HOT_KEY      (WM_EMACS_START + 12)
 633 #define WM_EMACS_UNREGISTER_HOT_KEY    (WM_EMACS_START + 13)
 634 #define WM_EMACS_TOGGLE_LOCK_KEY       (WM_EMACS_START + 14)
 635 #define WM_EMACS_TRACK_CARET           (WM_EMACS_START + 15)
 636 #define WM_EMACS_DESTROY_CARET         (WM_EMACS_START + 16)
 637 #define WM_EMACS_SHOW_CARET            (WM_EMACS_START + 17)
 638 #define WM_EMACS_HIDE_CARET            (WM_EMACS_START + 18)
 639 #define WM_EMACS_SETCURSOR             (WM_EMACS_START + 19)
 640 #define WM_EMACS_END                   (WM_EMACS_START + 20)
 641
 642 #define WND_FONTWIDTH_INDEX    (0)
 643 #define WND_LINEHEIGHT_INDEX   (4)
 644 #define WND_BORDER_INDEX       (8)
 645 #define WND_SCROLLBAR_INDEX    (12)
 646 #define WND_BACKGROUND_INDEX   (16)
 647 #define WND_LAST_INDEX         (20)
 648
 649 #define WND_EXTRA_BYTES     (WND_LAST_INDEX)
 650
 651 extern DWORD dwWindowsThreadId;
 652 extern HANDLE hWindowsThread;
 653 extern DWORD dwMainThreadId;
 654 extern HANDLE hMainThread;
 655
 656 typedef struct W32Msg {
 657     MSG msg;
 658     DWORD dwModifiers;
 659     RECT rect;
 660 } W32Msg;
 661
 662 /* Structure for recording message when input thread must return a
 663    result that depends on lisp thread to compute.  Lisp thread can
 664    complete deferred messages out of order.  */
 665 typedef struct deferred_msg
 666 {
 667   struct deferred_msg * next;
 668   W32Msg                w32msg;
 669   LRESULT               result;
 670   int                   completed;
 671 } deferred_msg;
 672
 673 extern CRITICAL_SECTION critsect;
 674
 675 extern void init_crit ();
 676 extern void delete_crit ();
 677
 678 extern void signal_quit ();
 679
 680 #define enter_crit() EnterCriticalSection (&critsect)
 681 #define leave_crit() LeaveCriticalSection (&critsect)
 682
 683 extern void select_palette (struct frame * f, HDC hdc);
 684 extern void deselect_palette (struct frame * f, HDC hdc);
 685 extern HDC get_frame_dc (struct frame * f);
 686 extern int release_frame_dc (struct frame * f, HDC hDC);
 687
 688 extern void drain_message_queue ();
 689
 690 extern BOOL get_next_msg ();
 691 extern BOOL post_msg ();
 692 extern void complete_deferred_msg (HWND hwnd, UINT msg, LRESULT result);
 693 extern void wait_for_sync ();
 694
 695 extern BOOL parse_button ();
 696
 697 extern void w32_sys_ring_bell (struct frame *f);
 698 extern void x_delete_display (struct w32_display_info *dpyinfo);
 699
 700 /* Keypad command key support.  W32 doesn't have virtual keys defined
 701    for the function keys on the keypad (they are mapped to the standard
 702    fuction keys), so we define our own.  */
 703 #define VK_NUMPAD_BEGIN         0x92
 704 #define VK_NUMPAD_CLEAR         (VK_NUMPAD_BEGIN + 0)
 705 #define VK_NUMPAD_ENTER         (VK_NUMPAD_BEGIN + 1)
 706 #define VK_NUMPAD_PRIOR         (VK_NUMPAD_BEGIN + 2)
 707 #define VK_NUMPAD_NEXT          (VK_NUMPAD_BEGIN + 3)
 708 #define VK_NUMPAD_END           (VK_NUMPAD_BEGIN + 4)
 709 #define VK_NUMPAD_HOME          (VK_NUMPAD_BEGIN + 5)
 710 #define VK_NUMPAD_LEFT          (VK_NUMPAD_BEGIN + 6)
 711 #define VK_NUMPAD_UP            (VK_NUMPAD_BEGIN + 7)
 712 #define VK_NUMPAD_RIGHT         (VK_NUMPAD_BEGIN + 8)
 713 #define VK_NUMPAD_DOWN          (VK_NUMPAD_BEGIN + 9)
 714 #define VK_NUMPAD_INSERT        (VK_NUMPAD_BEGIN + 10)
 715 #define VK_NUMPAD_DELETE        (VK_NUMPAD_BEGIN + 11)
 716
 717 #ifndef VK_LWIN
 718 /* Older compiler environments don't have these defined.  */
 719 #define VK_LWIN                 0x5B
 720 #define VK_RWIN                 0x5C
 721 #define VK_APPS                 0x5D
 722 #endif
 723
 724 /* Support for treating Windows and Apps keys as modifiers.  These
 725    constants must not overlap with any of the dwControlKeyState flags in
 726    KEY_EVENT_RECORD.  */
 727 #define LEFT_WIN_PRESSED       0x8000
 728 #define RIGHT_WIN_PRESSED      0x4000
 729 #define APPS_PRESSED           0x2000
 730
 731 /* When compiling on Windows 9x/ME and NT 3.x, the following are not defined
 732    (even though they are supported on 98 and ME.  */
 733 #ifndef WM_MOUSELEAVE
 734 #define WM_MOUSELEAVE 0x02A3
 735 #define TME_LEAVE 0x00000002;
 736
 737 typedef struct tagTRACKMOUSEEVENT
 738 {
 739   DWORD cbSize;
 740   DWORD dwFlags;
 741   HWND hwndTrack;
 742   DWORD dwHoverTime;
 743 } TRACKMOUSEEVENT;
 744 #endif
 745
 746 struct image;
 747 struct face;
 748
 749 XGCValues *XCreateGC (void *, Window, unsigned long, XGCValues *);
 750 struct frame * check_x_frame (Lisp_Object);
 751 Lisp_Object vga_stdcolor_name (int);
 752
 753 EXFUN (Fx_display_color_p, 1);
 754 EXFUN (Fx_display_grayscale_p, 1);
 755
 756 #define FONT_TYPE_FOR_UNIBYTE(font, ch)                 \
 757   ((font)->bdf ? BDF_1D_FONT : ANSI_FONT)
 758
 759 #define FONT_TYPE_FOR_MULTIBYTE(font, ch)               \
 760   (!(font)->bdf                                         \
 761    ? UNICODE_FONT                                       \
 762    : ((CHARSET_DIMENSION (CHAR_CHARSET ((ch))) == 1)    \
 763       ? BDF_1D_FONT : BDF_2D_FONT))
 764
 765 typedef DWORD (WINAPI * ClipboardSequence_Proc) ();
 766 typedef BOOL (WINAPI * AppendMenuW_Proc) (
 767     IN HMENU,
 768     IN UINT,
 769     IN UINT_PTR,
 770     IN LPCWSTR);
 771
 772 /* arch-tag: f201d05a-1240-4fc5-8ea4-ca24d4ee5671
 773    (do not change this comment) */