src/w32term.h

   1 /* Definitions and headers for communication on the Microsoft Windows API.
   2    Copyright (C) 1995, 2001-2013 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Emacs.
   5
   6 GNU Emacs is free software: you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation, either version 3 of the License, or
   9 (at your option) any later version.
  10
  11 GNU Emacs is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 /* Added by Kevin Gallo */
  20
  21 #include "w32gui.h"
  22 #include "frame.h"
  23 #include "atimer.h"
  24
  25 \f
  26 #define BLACK_PIX_DEFAULT(f) PALETTERGB(0,0,0)
  27 #define WHITE_PIX_DEFAULT(f) PALETTERGB(255,255,255)
  28
  29 #define FONT_WIDTH(f)     ((f)->max_width)
  30 #define FONT_HEIGHT(f)    ((f)->height)
  31 #define FONT_BASE(f)      ((f)->ascent)
  32 #define FONT_DESCENT(f)   ((f)->descent)
  33
  34 #define CP_DEFAULT 1004
  35
  36 #define CHECK_W32_FRAME(f, frame)               \
  37   if (NILP (frame))                             \
  38     f = SELECTED_FRAME ();                      \
  39   else                                          \
  40     {                                           \
  41       CHECK_LIVE_FRAME (frame, 0);              \
  42       f = XFRAME (frame);                       \
  43     }                                           \
  44   if (! FRAME_W32_P (f))
  45
  46 /* Indicates whether we are in the readsocket call and the message we
  47    are processing in the current loop */
  48
  49 extern MSG CurMsg;
  50 extern BOOL bUseDflt;
  51
  52 /* Structure recording bitmaps and reference count.
  53    If REFCOUNT is 0 then this record is free to be reused.  */
  54
  55 struct w32_bitmap_record
  56 {
  57   Pixmap pixmap;
  58   char *file;
  59   HINSTANCE hinst; /* Used to load the file */
  60   int refcount;
  61   /* Record some info about this pixmap.  */
  62   int height, width, depth;
  63 };
  64
  65 struct w32_palette_entry {
  66   struct w32_palette_entry * next;
  67   PALETTEENTRY entry;
  68 #if 0
  69   unsigned refcount;
  70 #endif
  71 };
  72
  73 extern void w32_regenerate_palette (struct frame *f);
  74 extern void w32_fullscreen_rect (HWND hwnd, int fsmode, RECT normal,
  75                                  RECT *rect);
  76
  77 \f
  78 /* For each display (currently only one on w32), we have a structure that
  79    records information about it.  */
  80
  81 struct w32_display_info
  82 {
  83   /* Chain of all w32_display_info structures.  */
  84   struct w32_display_info *next;
  85
  86   /* The generic display parameters corresponding to this w32 display.  */
  87   struct terminal *terminal;
  88
  89   /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
  90      The same cons cell also appears in x_display_name_list.  */
  91   Lisp_Object name_list_element;
  92
  93   /* Number of frames that are on this display.  */
  94   int reference_count;
  95
  96   /* Dots per inch of the screen.  */
  97   double resx, resy;
  98
  99   /* Number of planes on this screen.  */
 100   int n_planes;
 101
 102   /* Number of bits per pixel on this screen.  */
 103   int n_cbits;
 104
 105   /* Mask of things that cause the mouse to be grabbed.  */
 106   int grabbed;
 107
 108   /* Emacs bitmap-id of the default icon bitmap for this frame.
 109      Or -1 if none has been allocated yet.  */
 110   ptrdiff_t icon_bitmap_id;
 111
 112   /* The root window of this screen.  */
 113   Window root_window;
 114
 115   /* The cursor to use for vertical scroll bars.  */
 116   Cursor vertical_scroll_bar_cursor;
 117
 118   /* Resource data base */
 119   XrmDatabase xrdb;
 120
 121   /* color palette information.  */
 122   int has_palette;
 123   struct w32_palette_entry * color_list;
 124   unsigned num_colors;
 125   HPALETTE palette;
 126
 127   /* deferred action flags checked when starting frame update.  */
 128   int regen_palette;
 129
 130   /* Keystroke that has been faked by Emacs and will be ignored when
 131      received; value is reset after key is received.  */
 132   int faked_key;
 133
 134   /* Minimum width over all characters in all fonts in font_table.  */
 135   int smallest_char_width;
 136
 137   /* Minimum font height over all fonts in font_table.  */
 138   int smallest_font_height;
 139
 140   /* Reusable Graphics Context for drawing a cursor in a non-default face. */
 141   XGCValues *scratch_cursor_gc;
 142
 143   /* Information about the range of text currently shown in
 144      mouse-face.  */
 145   Mouse_HLInfo mouse_highlight;
 146
 147   char *w32_id_name;
 148
 149   /* The number of fonts actually stored in w32_font_table.
 150      font_table[n] is used and valid if 0 <= n < n_fonts. 0 <=
 151      n_fonts <= font_table_size. and font_table[i].name != 0. */
 152   int n_fonts;
 153
 154   /* Pointer to bitmap records.  */
 155   struct w32_bitmap_record *bitmaps;
 156
 157   /* Allocated size of bitmaps field.  */
 158   ptrdiff_t bitmaps_size;
 159
 160   /* Last used bitmap index.  */
 161   ptrdiff_t bitmaps_last;
 162
 163   /* The frame (if any) which has the window that has keyboard focus.
 164      Zero if none.  This is examined by Ffocus_frame in w32fns.c.  Note
 165      that a mere EnterNotify event can set this; if you need to know the
 166      last frame specified in a FocusIn or FocusOut event, use
 167      w32_focus_event_frame.  */
 168   struct frame *w32_focus_frame;
 169
 170   /* The last frame mentioned in a FocusIn or FocusOut event.  This is
 171      separate from w32_focus_frame, because whether or not LeaveNotify
 172      events cause us to lose focus depends on whether or not we have
 173      received a FocusIn event for it.  */
 174   struct frame *w32_focus_event_frame;
 175
 176   /* The frame which currently has the visual highlight, and should get
 177      keyboard input (other sorts of input have the frame encoded in the
 178      event).  It points to the focus frame's selected window's
 179      frame.  It differs from w32_focus_frame when we're using a global
 180      minibuffer.  */
 181   struct frame *x_highlight_frame;
 182 };
 183
 184 /* This is a chain of structures for all the displays currently in use.  */
 185 extern struct w32_display_info *x_display_list;
 186 extern struct w32_display_info one_w32_display_info;
 187
 188 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
 189    one for each element of w32_display_list and in the same order.
 190    NAME is the name of the frame.
 191    FONT-LIST-CACHE records previous values returned by x-list-fonts.  */
 192 extern Lisp_Object w32_display_name_list;
 193
 194 extern struct frame *x_window_to_frame (struct w32_display_info *, HWND);
 195
 196 struct w32_display_info *x_display_info_for_name (Lisp_Object);
 197
 198 Lisp_Object display_x_get_resource (struct w32_display_info *,
 199                                     Lisp_Object, Lisp_Object,
 200                                     Lisp_Object, Lisp_Object);
 201
 202 extern void x_focus_on_frame (struct frame *f);
 203
 204 /* also defined in xterm.h XXX: factor out to common header */
 205
 206 extern struct w32_display_info *w32_term_init (Lisp_Object,
 207                                                char *, char *);
 208 extern int w32_defined_color (struct frame *f, const char *color,
 209                               XColor *color_def, int alloc);
 210 extern void x_set_window_size (struct frame *f, int change_grav,
 211                               int cols, int rows);
 212 extern int x_display_pixel_height (struct w32_display_info *);
 213 extern int x_display_pixel_width (struct w32_display_info *);
 214 extern Lisp_Object x_get_focus_frame (struct frame *);
 215 extern void x_set_mouse_position (struct frame *f, int h, int v);
 216 extern void x_set_mouse_pixel_position (struct frame *f, int pix_x, int pix_y);
 217 extern void x_make_frame_visible (struct frame *f);
 218 extern void x_make_frame_invisible (struct frame *f);
 219 extern void x_iconify_frame (struct frame *f);
 220 extern void x_set_frame_alpha (struct frame *f);
 221 extern void x_set_menu_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
 222 extern void x_set_tool_bar_lines (struct frame *f,
 223                                   Lisp_Object value,
 224                                   Lisp_Object oldval);
 225 extern void x_activate_menubar (struct frame *);
 226 extern int x_bitmap_icon (struct frame *, Lisp_Object);
 227 extern void initialize_frame_menubar (struct frame *);
 228 extern void x_free_frame_resources (struct frame *);
 229 extern void x_real_positions (struct frame *, int *, int *);
 230
 231 /* w32inevt.c */
 232 extern int w32_kbd_patch_key (KEY_EVENT_RECORD *event, int cpId);
 233 extern int w32_kbd_mods_to_emacs (DWORD mods, WORD key);
 234
 235
 236 extern Lisp_Object x_get_focus_frame (struct frame *);
 237
 238 \f
 239 #define PIX_TYPE COLORREF
 240
 241 /* Each W32 frame object points to its own struct w32_display object
 242    in the output_data.w32 field.  The w32_display structure contains all
 243    the information that is specific to W32 windows.  */
 244
 245 /* Put some things in x_output for compatibility.
 246    NTEMACS_TODO: Move all common things here to eliminate unnecessary
 247    diffs between X and w32 code.  */
 248 struct x_output
 249 {
 250   /* Keep track of focus.  May be EXPLICIT if we received a FocusIn for this
 251      frame, or IMPLICIT if we received an EnterNotify.
 252      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 253   int focus_state;
 254 };
 255
 256 enum
 257 {
 258   /* Values for focus_state, used as bit mask.
 259      EXPLICIT means we received a FocusIn for the frame and know it has
 260      the focus.  IMPLICIT means we received an EnterNotify and the frame
 261      may have the focus if no window manager is running.
 262      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 263   FOCUS_NONE     = 0,
 264   FOCUS_IMPLICIT = 1,
 265   FOCUS_EXPLICIT = 2
 266 };
 267
 268 struct w32_output
 269 {
 270   /* Placeholder for things accessed through output_data.x.  */
 271   struct x_output x_compatible;
 272
 273   /* Menubar "widget" handle.  */
 274   HMENU menubar_widget;
 275
 276   /* Original palette (used to deselect real palette after drawing) */
 277   HPALETTE old_palette;
 278
 279   /* Here are the Graphics Contexts for the default font.  */
 280   XGCValues *cursor_gc;                         /* cursor drawing */
 281
 282   /* The window used for this frame.
 283      May be zero while the frame object is being created
 284      and the window has not yet been created.  */
 285   Window window_desc;
 286
 287   /* The window that is the parent of this window.
 288      Usually this is a window that was made by the window manager,
 289      but it can be the root window, and it can be explicitly specified
 290      (see the explicit_parent field, below).  */
 291   Window parent_desc;
 292
 293   /* Default ASCII font of this frame. */
 294   struct font *font;
 295
 296   /* The baseline offset of the default ASCII font.  */
 297   int baseline_offset;
 298
 299   /* If a fontset is specified for this frame instead of font, this
 300      value contains an ID of the fontset, else -1.  */
 301   int fontset;
 302
 303   /* Pixel values used for various purposes.
 304      border_pixel may be -1 meaning use a gray tile.  */
 305   COLORREF cursor_pixel;
 306   COLORREF border_pixel;
 307   COLORREF mouse_pixel;
 308   COLORREF cursor_foreground_pixel;
 309
 310   /* Foreground color for scroll bars.  A value of -1 means use the
 311      default (black for non-toolkit scroll bars).  */
 312   COLORREF scroll_bar_foreground_pixel;
 313
 314   /* Background color for scroll bars.  A value of -1 means use the
 315      default (background color of the frame for non-toolkit scroll
 316      bars).  */
 317   COLORREF scroll_bar_background_pixel;
 318
 319   /* Descriptor for the cursor in use for this window.  */
 320   Cursor text_cursor;
 321   Cursor nontext_cursor;
 322   Cursor modeline_cursor;
 323   Cursor hand_cursor;
 324   Cursor hourglass_cursor;
 325   Cursor horizontal_drag_cursor;
 326
 327   /* Non-zero means hourglass cursor is currently displayed.  */
 328   unsigned hourglass_p : 1;
 329
 330   /* Non-hourglass cursor that is currently active.  */
 331   Cursor current_cursor;
 332
 333   DWORD dwStyle;
 334
 335   /* This is the Emacs structure for the display this frame is on.  */
 336   /* struct w32_display_info *display_info; */
 337
 338   /* Nonzero means our parent is another application's window
 339      and was explicitly specified.  */
 340   unsigned explicit_parent : 1;
 341
 342   /* Nonzero means tried already to make this frame visible.  */
 343   unsigned asked_for_visible : 1;
 344
 345   /* Nonzero means menubar is currently active.  */
 346   unsigned menubar_active : 1;
 347
 348   /* Relief GCs, colors etc.  */
 349   struct relief
 350   {
 351     XGCValues *gc;
 352     unsigned long pixel;
 353     int allocated_p;
 354   }
 355   black_relief, white_relief;
 356
 357   /* The background for which the above relief GCs were set up.
 358      They are changed only when a different background is involved.  */
 359   unsigned long relief_background;
 360
 361   /* Frame geometry and full-screen mode before it was resized by
 362      specifying the 'fullscreen' frame parameter.  Used to restore the
 363      geometry when 'fullscreen' is reset to nil.  */
 364   WINDOWPLACEMENT normal_placement;
 365   int prev_fsmode;
 366 };
 367
 368 extern struct w32_output w32term_display;
 369
 370 /* Return the X output data for frame F.  */
 371 #define FRAME_X_OUTPUT(f) ((f)->output_data.w32)
 372
 373 /* Return the window associated with the frame F.  */
 374 #define FRAME_W32_WINDOW(f) ((f)->output_data.w32->window_desc)
 375 #define FRAME_X_WINDOW(f) FRAME_W32_WINDOW (f)
 376
 377 #define FRAME_FONT(f) ((f)->output_data.w32->font)
 378 #define FRAME_FONTSET(f) ((f)->output_data.w32->fontset)
 379 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.w32->baseline_offset)
 380
 381 /* This gives the w32_display_info structure for the display F is on.  */
 382 #define FRAME_W32_DISPLAY_INFO(f) (&one_w32_display_info)
 383 #define FRAME_X_DISPLAY_INFO(f) (&one_w32_display_info)
 384
 385 /* This is the `Display *' which frame F is on.  */
 386 #define FRAME_X_DISPLAY(f) (0)
 387
 388 /* Value is the smallest width of any character in any font on frame F.  */
 389
 390 #define FRAME_SMALLEST_CHAR_WIDTH(F) \
 391      FRAME_W32_DISPLAY_INFO(F)->smallest_char_width
 392
 393 /* Value is the smallest height of any font on frame F.  */
 394
 395 #define FRAME_SMALLEST_FONT_HEIGHT(F) \
 396      FRAME_W32_DISPLAY_INFO(F)->smallest_font_height
 397
 398 #define FRAME_NORMAL_PLACEMENT(F) ((F)->output_data.w32->normal_placement)
 399 #define FRAME_PREV_FSMODE(F)      ((F)->output_data.w32->prev_fsmode)
 400
 401 \f
 402 /* W32-specific scroll bar stuff.  */
 403
 404 /* We represent scroll bars as lisp vectors.  This allows us to place
 405    references to them in windows without worrying about whether we'll
 406    end up with windows referring to dead scroll bars; the garbage
 407    collector will free it when its time comes.
 408
 409    We use struct scroll_bar as a template for accessing fields of the
 410    vector.  */
 411
 412 struct scroll_bar {
 413
 414   /* This field is shared by all vectors.  */
 415   struct vectorlike_header header;
 416
 417   /* The window we're a scroll bar for.  */
 418   Lisp_Object window;
 419
 420   /* The next and previous in the chain of scroll bars in this frame.  */
 421   Lisp_Object next, prev;
 422
 423   /* The window representing this scroll bar.  Since this is a full
 424      32-bit quantity, we store it split into two 32-bit values.  */
 425   Lisp_Object w32_window_low, w32_window_high;
 426
 427   /* Same as above for the widget.  */
 428   Lisp_Object w32_widget_low, w32_widget_high;
 429
 430   /* The position and size of the scroll bar in pixels, relative to the
 431      frame.  */
 432   Lisp_Object top, left, width, height;
 433
 434   /* The starting and ending positions of the handle, relative to the
 435      handle area (i.e. zero is the top position, not
 436      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 437      hasn't been drawn yet.
 438
 439      These are not actually the locations where the beginning and end
 440      are drawn; in order to keep handles from becoming invisible when
 441      editing large files, we establish a minimum height by always
 442      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 443      where they would be normally; the bottom and top are in a
 444      different co-ordinate system.  */
 445   Lisp_Object start, end;
 446
 447   /* If the scroll bar handle is currently being dragged by the user,
 448      this is the number of pixels from the top of the handle to the
 449      place where the user grabbed it.  If the handle isn't currently
 450      being dragged, this is Qnil.  */
 451   Lisp_Object dragging;
 452
 453   /* 1 if the background of the fringe that is adjacent to a scroll
 454      bar is extended to the gap between the fringe and the bar.  */
 455   /* Note: this could be a bit field, but we need to take its address
 456      in ALLOCATE_PSEUDOVECTOR (see x_scroll_bar_create).  */
 457   bool fringe_extended_p;
 458 };
 459
 460 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 461 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 462
 463 #ifdef _WIN64
 464 /* Building a 64-bit C integer from two 32-bit lisp integers.  */
 465 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 32 | XINT (low))
 466
 467 /* Setting two lisp integers to the low and high words of a 64-bit C int.  */
 468 #define SCROLL_BAR_UNPACK(low, high, int64) \
 469   (XSETINT ((low),   ((DWORDLONG)(int64))        & 0xffffffff), \
 470    XSETINT ((high), ((DWORDLONG)(int64) >> 32) & 0xffffffff))
 471 #else  /* not _WIN64 */
 472 /* Building a 32-bit C integer from two 16-bit lisp integers.  */
 473 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
 474
 475 /* Setting two lisp integers to the low and high words of a 32-bit C int.  */
 476 #define SCROLL_BAR_UNPACK(low, high, int32) \
 477   (XSETINT ((low),   (int32)        & 0xffff), \
 478    XSETINT ((high), ((int32) >> 16) & 0xffff))
 479 #endif  /* not _WIN64 */
 480
 481 /* Extract the window id of the scroll bar from a struct scroll_bar.  */
 482 #define SCROLL_BAR_W32_WINDOW(ptr) \
 483   ((Window) SCROLL_BAR_PACK ((ptr)->w32_window_low, (ptr)->w32_window_high))
 484
 485 /* Store a window id in a struct scroll_bar.  */
 486 #define SET_SCROLL_BAR_W32_WINDOW(ptr, id) \
 487   (SCROLL_BAR_UNPACK ((ptr)->w32_window_low, (ptr)->w32_window_high, (intptr_t) id))
 488
 489 /* Extract the X widget of the scroll bar from a struct scroll_bar.  */
 490 #define SCROLL_BAR_X_WIDGET(ptr) \
 491   ((Widget) SCROLL_BAR_PACK ((ptr)->x_widget_low, (ptr)->x_widget_high))
 492
 493 /* Store a widget id in a struct scroll_bar.  */
 494 #define SET_SCROLL_BAR_X_WIDGET(ptr, w) \
 495   (SCROLL_BAR_UNPACK ((ptr)->x_widget_low, (ptr)->x_widget_high, (int) w))
 496
 497 /* Return the inside width of a vertical scroll bar, given the outside
 498    width.  */
 499 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f,width) \
 500   ((width) \
 501    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 502    - VERTICAL_SCROLL_BAR_RIGHT_BORDER \
 503    - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2)
 504
 505 /* Return the length of the rectangle within which the top of the
 506    handle must stay.  This isn't equivalent to the inside height,
 507    because the scroll bar handle has a minimum height.
 508
 509    This is the real range of motion for the scroll bar, so when we're
 510    scaling buffer positions to scroll bar positions, we use this, not
 511    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 512 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f,height) \
 513   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
 514
 515 /* Return the inside height of vertical scroll bar, given the outside
 516    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 517 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f,height) \
 518   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 519
 520
 521 /* Border widths for scroll bars.
 522
 523    Scroll bar windows don't have any borders; their border width is
 524    set to zero, and we redraw borders ourselves.  This makes the code
 525    a bit cleaner, since we don't have to convert between outside width
 526    (used when relating to the rest of the screen) and inside width
 527    (used when sizing and drawing the scroll bar window itself).
 528
 529    The handle moves up and down/back and forth in a rectangle inset
 530    from the edges of the scroll bar.  These are widths by which we
 531    inset the handle boundaries from the scroll bar edges.  */
 532 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0)
 533 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0)
 534 #define VERTICAL_SCROLL_BAR_TOP_BORDER (vertical_scroll_bar_top_border)
 535 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (vertical_scroll_bar_bottom_border)
 536
 537 /* Minimum lengths for scroll bar handles, in pixels.  */
 538 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (vertical_scroll_bar_min_handle)
 539
 540 /* Trimming off a few pixels from each side prevents
 541    text from glomming up against the scroll bar */
 542 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
 543
 544 \f
 545 struct frame;  /* from frame.h */
 546
 547 extern void w32_fill_rect (struct frame *, HDC, COLORREF, RECT *);
 548 extern void w32_clear_window (struct frame *);
 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_PAINT                 (WM_EMACS_START + 20)
 613 #define WM_EMACS_BRINGTOTOP            (WM_EMACS_START + 21)
 614 #define WM_EMACS_INPUT_READY           (WM_EMACS_START + 22)
 615 #define WM_EMACS_FILENOTIFY            (WM_EMACS_START + 23)
 616 #define WM_EMACS_END                   (WM_EMACS_START + 24)
 617
 618 #define WND_FONTWIDTH_INDEX    (0)
 619 #define WND_LINEHEIGHT_INDEX   (4)
 620 #define WND_BORDER_INDEX       (8)
 621 #define WND_SCROLLBAR_INDEX    (12)
 622 #define WND_BACKGROUND_INDEX   (16)
 623 #define WND_LAST_INDEX         (20)
 624
 625 #define WND_EXTRA_BYTES     (WND_LAST_INDEX)
 626
 627 extern DWORD dwWindowsThreadId;
 628 extern HANDLE hWindowsThread;
 629 extern DWORD dwMainThreadId;
 630 extern HANDLE hMainThread;
 631
 632 typedef struct W32Msg {
 633     MSG msg;
 634     DWORD dwModifiers;
 635     RECT rect;
 636 } W32Msg;
 637
 638 extern BOOL prepend_msg (W32Msg *lpmsg);
 639
 640 /* Structure for recording message when input thread must return a
 641    result that depends on lisp thread to compute.  Lisp thread can
 642    complete deferred messages out of order.  */
 643 typedef struct deferred_msg
 644 {
 645   struct deferred_msg * next;
 646   W32Msg                w32msg;
 647   LRESULT               result;
 648   int                   completed;
 649 } deferred_msg;
 650
 651 extern CRITICAL_SECTION critsect;
 652
 653 extern void init_crit (void);
 654 extern void delete_crit (void);
 655
 656 extern void signal_quit (void);
 657
 658 #define enter_crit() EnterCriticalSection (&critsect)
 659 #define leave_crit() LeaveCriticalSection (&critsect)
 660
 661 extern void select_palette (struct frame * f, HDC hdc);
 662 extern void deselect_palette (struct frame * f, HDC hdc);
 663 extern HDC get_frame_dc (struct frame * f);
 664 extern int release_frame_dc (struct frame * f, HDC hDC);
 665
 666 extern int drain_message_queue (void);
 667
 668 extern BOOL get_next_msg (W32Msg *, BOOL);
 669 extern BOOL post_msg (W32Msg *);
 670 extern void complete_deferred_msg (HWND hwnd, UINT msg, LRESULT result);
 671
 672 extern BOOL parse_button (int, int, int *, int *);
 673
 674 extern void w32_sys_ring_bell (struct frame *f);
 675 extern void x_delete_display (struct w32_display_info *dpyinfo);
 676
 677 extern volatile int notification_buffer_in_use;
 678 extern BYTE file_notifications[16384];
 679 extern DWORD notifications_size;
 680 extern void *notifications_desc;
 681 extern Lisp_Object w32_get_watch_object (void *);
 682 extern Lisp_Object lispy_file_action (DWORD);
 683
 684 extern void w32_initialize_display_info (Lisp_Object);
 685 extern void initialize_w32_display (struct terminal *, int *, int *);
 686
 687 /* Keypad command key support.  W32 doesn't have virtual keys defined
 688    for the function keys on the keypad (they are mapped to the standard
 689    function keys), so we define our own.  */
 690 #define VK_NUMPAD_BEGIN         0x92
 691 #define VK_NUMPAD_CLEAR         (VK_NUMPAD_BEGIN + 0)
 692 #define VK_NUMPAD_ENTER         (VK_NUMPAD_BEGIN + 1)
 693 #define VK_NUMPAD_PRIOR         (VK_NUMPAD_BEGIN + 2)
 694 #define VK_NUMPAD_NEXT          (VK_NUMPAD_BEGIN + 3)
 695 #define VK_NUMPAD_END           (VK_NUMPAD_BEGIN + 4)
 696 #define VK_NUMPAD_HOME          (VK_NUMPAD_BEGIN + 5)
 697 #define VK_NUMPAD_LEFT          (VK_NUMPAD_BEGIN + 6)
 698 #define VK_NUMPAD_UP            (VK_NUMPAD_BEGIN + 7)
 699 #define VK_NUMPAD_RIGHT         (VK_NUMPAD_BEGIN + 8)
 700 #define VK_NUMPAD_DOWN          (VK_NUMPAD_BEGIN + 9)
 701 #define VK_NUMPAD_INSERT        (VK_NUMPAD_BEGIN + 10)
 702 #define VK_NUMPAD_DELETE        (VK_NUMPAD_BEGIN + 11)
 703
 704 #ifndef VK_LWIN
 705 /* Older compiler environments don't have these defined.  */
 706 #define VK_LWIN                 0x5B
 707 #define VK_RWIN                 0x5C
 708 #define VK_APPS                 0x5D
 709 #endif
 710
 711 /* Support for treating Windows and Apps keys as modifiers.  These
 712    constants must not overlap with any of the dwControlKeyState flags in
 713    KEY_EVENT_RECORD.  */
 714 #define LEFT_WIN_PRESSED       0x8000
 715 #define RIGHT_WIN_PRESSED      0x4000
 716 #define APPS_PRESSED           0x2000
 717
 718 /* The current ANSI input codepage for GUI sessions.  */
 719 extern int w32_keyboard_codepage;
 720
 721 /* When compiling on Windows 9x/ME and NT 3.x, the following are not defined
 722    (even though they are supported on 98 and ME.  */
 723 #ifndef WM_MOUSELEAVE
 724 #define WM_MOUSELEAVE 0x02A3
 725 #define TME_LEAVE 0x00000002;
 726
 727 typedef struct tagTRACKMOUSEEVENT
 728 {
 729   DWORD cbSize;
 730   DWORD dwFlags;
 731   HWND hwndTrack;
 732   DWORD dwHoverTime;
 733 } TRACKMOUSEEVENT;
 734 #endif
 735
 736 struct image;
 737 struct face;
 738
 739 XGCValues *XCreateGC (void *, Window, unsigned long, XGCValues *);
 740
 741 typedef DWORD (WINAPI * ClipboardSequence_Proc) (void);
 742 typedef BOOL (WINAPI * AppendMenuW_Proc) (
 743     IN HMENU,
 744     IN UINT,
 745     IN UINT_PTR,
 746     IN LPCWSTR);
 747
 748 extern HWND w32_system_caret_hwnd;
 749 extern int w32_system_caret_height;
 750 extern int w32_system_caret_x;
 751 extern int w32_system_caret_y;
 752 extern struct window *w32_system_caret_window;
 753 extern int w32_system_caret_hdr_height;
 754 extern int w32_system_caret_mode_height;
 755
 756 #ifdef _MSC_VER
 757 #ifndef EnumSystemLocales
 758 /* MSVC headers define these only for _WIN32_WINNT >= 0x0500.  */
 759 typedef BOOL (CALLBACK *LOCALE_ENUMPROCA)(LPSTR);
 760 typedef BOOL (CALLBACK *LOCALE_ENUMPROCW)(LPWSTR);
 761 BOOL WINAPI EnumSystemLocalesA(LOCALE_ENUMPROCA,DWORD);
 762 BOOL WINAPI EnumSystemLocalesW(LOCALE_ENUMPROCW,DWORD);
 763 #ifdef UNICODE
 764 #define EnumSystemLocales EnumSystemLocalesW
 765 #else
 766 #define EnumSystemLocales EnumSystemLocalesA
 767 #endif
 768 #endif
 769 #endif
 770
 771 #if EMACSDEBUG
 772 extern const char*
 773 w32_name_of_message (UINT msg);
 774 #endif /* EMACSDEBUG */
 775
 776 #ifdef NTGUI_UNICODE
 777 extern Lisp_Object ntgui_encode_system (Lisp_Object str);
 778 #define GUISTR(x) (L ## x)
 779 #define GUI_ENCODE_FILE GUI_ENCODE_SYSTEM
 780 #define GUI_ENCODE_SYSTEM(x) ntgui_encode_system (x)
 781 #define GUI_FN(fn) fn ## W
 782 typedef wchar_t guichar_t;
 783 #else /* !NTGUI_UNICODE */
 784 #define GUISTR(x) x
 785 #define GUI_ENCODE_FILE ENCODE_FILE
 786 #define GUI_ENCODE_SYSTEM ENCODE_SYSTEM
 787 #define GUI_FN(fn) fn
 788 typedef char guichar_t;
 789 #endif /* NTGUI_UNICODE */
 790
 791 #define GUI_SDATA(x) ((guichar_t*) SDATA (x))
 792
 793 extern void syms_of_w32term (void);
 794 extern void syms_of_w32menu (void);
 795 extern void syms_of_w32fns (void);
 796
 797 extern void globals_of_w32menu (void);
 798 extern void globals_of_w32fns (void);
 799 extern void globals_of_w32notify (void);
 800
 801 #ifdef CYGWIN
 802 extern int w32_message_fd;
 803 #endif /* CYGWIN */