src/w32term.h

   1 /* Definitions and headers for communication on the Microsoft Windows API.
   2    Copyright (C) 1995, 2001-2014 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 CP_DEFAULT 1004
  30
  31 /* Indicates whether we are in the readsocket call and the message we
  32    are processing in the current loop */
  33
  34 extern MSG CurMsg;
  35 extern BOOL bUseDflt;
  36
  37 /* Structure recording bitmaps and reference count.
  38    If REFCOUNT is 0 then this record is free to be reused.  */
  39
  40 struct w32_bitmap_record
  41 {
  42   Pixmap pixmap;
  43   char *file;
  44   HINSTANCE hinst; /* Used to load the file */
  45   int refcount;
  46   /* Record some info about this pixmap.  */
  47   int height, width, depth;
  48 };
  49
  50 struct w32_palette_entry {
  51   struct w32_palette_entry * next;
  52   PALETTEENTRY entry;
  53 #if 0
  54   unsigned refcount;
  55 #endif
  56 };
  57
  58 extern void w32_regenerate_palette (struct frame *f);
  59 extern void w32_fullscreen_rect (HWND hwnd, int fsmode, RECT normal,
  60                                  RECT *rect);
  61
  62 \f
  63 /* For each display (currently only one on w32), we have a structure that
  64    records information about it.  */
  65
  66 struct w32_display_info
  67 {
  68   /* Chain of all w32_display_info structures.  */
  69   struct w32_display_info *next;
  70
  71   /* The generic display parameters corresponding to this w32 display.  */
  72   struct terminal *terminal;
  73
  74   /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).  */
  75   Lisp_Object name_list_element;
  76
  77   /* Number of frames that are on this display.  */
  78   int reference_count;
  79
  80   /* Dots per inch of the screen.  */
  81   double resx, resy;
  82
  83   /* Number of planes on this screen.  */
  84   int n_planes;
  85
  86   /* Number of bits per pixel on this screen.  */
  87   int n_cbits;
  88
  89   /* Mask of things that cause the mouse to be grabbed.  */
  90   int grabbed;
  91
  92   /* Emacs bitmap-id of the default icon bitmap for this frame.
  93      Or -1 if none has been allocated yet.  */
  94   ptrdiff_t icon_bitmap_id;
  95
  96   /* The root window of this screen.  */
  97   Window root_window;
  98
  99   /* The cursor to use for vertical scroll bars.  */
 100   Cursor vertical_scroll_bar_cursor;
 101
 102   /* Resource data base */
 103   XrmDatabase xrdb;
 104
 105   /* color palette information.  */
 106   int has_palette;
 107   struct w32_palette_entry * color_list;
 108   unsigned num_colors;
 109   HPALETTE palette;
 110
 111   /* deferred action flags checked when starting frame update.  */
 112   int regen_palette;
 113
 114   /* Keystroke that has been faked by Emacs and will be ignored when
 115      received; value is reset after key is received.  */
 116   int faked_key;
 117
 118   /* Minimum width over all characters in all fonts in font_table.  */
 119   int smallest_char_width;
 120
 121   /* Minimum font height over all fonts in font_table.  */
 122   int smallest_font_height;
 123
 124   /* Reusable Graphics Context for drawing a cursor in a non-default face. */
 125   XGCValues *scratch_cursor_gc;
 126
 127   /* Information about the range of text currently shown in
 128      mouse-face.  */
 129   Mouse_HLInfo mouse_highlight;
 130
 131   char *w32_id_name;
 132
 133   /* The number of fonts actually stored in w32_font_table.
 134      font_table[n] is used and valid if 0 <= n < n_fonts. 0 <=
 135      n_fonts <= font_table_size. and font_table[i].name != 0. */
 136   int n_fonts;
 137
 138   /* Pointer to bitmap records.  */
 139   struct w32_bitmap_record *bitmaps;
 140
 141   /* Allocated size of bitmaps field.  */
 142   ptrdiff_t bitmaps_size;
 143
 144   /* Last used bitmap index.  */
 145   ptrdiff_t bitmaps_last;
 146
 147   /* The frame (if any) which has the window that has keyboard focus.
 148      Zero if none.  This is examined by Ffocus_frame in w32fns.c.  Note
 149      that a mere EnterNotify event can set this; if you need to know the
 150      last frame specified in a FocusIn or FocusOut event, use
 151      w32_focus_event_frame.  */
 152   struct frame *w32_focus_frame;
 153
 154   /* The last frame mentioned in a FocusIn or FocusOut event.  This is
 155      separate from w32_focus_frame, because whether or not LeaveNotify
 156      events cause us to lose focus depends on whether or not we have
 157      received a FocusIn event for it.  */
 158   struct frame *w32_focus_event_frame;
 159
 160   /* The frame which currently has the visual highlight, and should get
 161      keyboard input (other sorts of input have the frame encoded in the
 162      event).  It points to the focus frame's selected window's
 163      frame.  It differs from w32_focus_frame when we're using a global
 164      minibuffer.  */
 165   struct frame *x_highlight_frame;
 166
 167   /* The frame waiting to be auto-raised in w32_read_socket.  */
 168   struct frame *w32_pending_autoraise_frame;
 169
 170   /* The frame where the mouse was last time we reported a mouse event.  */
 171   struct frame *last_mouse_frame;
 172
 173   /* The frame where the mouse was last time we reported a mouse motion.  */
 174   struct frame *last_mouse_motion_frame;
 175
 176   /* The frame where the mouse was last time we reported a mouse position.  */
 177   struct frame *last_mouse_glyph_frame;
 178
 179   /* Position where the mouse was last time we reported a motion.
 180      This is a position on last_mouse_motion_frame.  */
 181   int last_mouse_motion_x;
 182   int last_mouse_motion_y;
 183
 184   /* Where the mouse was last time we reported a mouse position.
 185      This is a rectangle on last_mouse_glyph_frame.  */
 186   RECT last_mouse_glyph;
 187
 188   /* The scroll bar in which the last motion event occurred.  */
 189   struct scroll_bar *last_mouse_scroll_bar;
 190
 191   /* Mouse position on the scroll bar above.
 192      FIXME: shouldn't it be a member of struct scroll_bar?  */
 193   int last_mouse_scroll_bar_pos;
 194
 195   /* Time of last mouse movement.  */
 196   Time last_mouse_movement_time;
 197 };
 198
 199 /* This is a chain of structures for all the displays currently in use.  */
 200 extern struct w32_display_info *x_display_list;
 201 extern struct w32_display_info one_w32_display_info;
 202
 203 extern struct frame *x_window_to_frame (struct w32_display_info *, HWND);
 204
 205 struct w32_display_info *x_display_info_for_name (Lisp_Object);
 206
 207 Lisp_Object display_x_get_resource (struct w32_display_info *,
 208                                     Lisp_Object, Lisp_Object,
 209                                     Lisp_Object, Lisp_Object);
 210
 211 /* also defined in xterm.h XXX: factor out to common header */
 212
 213 extern struct w32_display_info *w32_term_init (Lisp_Object,
 214                                                char *, char *);
 215 extern int w32_defined_color (struct frame *f, const char *color,
 216                               XColor *color_def, int alloc);
 217 extern void x_set_window_size (struct frame *f, int change_grav,
 218                                int width, int height, bool pixelwise);
 219 extern int x_display_pixel_height (struct w32_display_info *);
 220 extern int x_display_pixel_width (struct w32_display_info *);
 221 extern Lisp_Object x_get_focus_frame (struct frame *);
 222 extern void x_make_frame_visible (struct frame *f);
 223 extern void x_make_frame_invisible (struct frame *f);
 224 extern void x_iconify_frame (struct frame *f);
 225 extern void x_set_frame_alpha (struct frame *f);
 226 extern void x_set_menu_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
 227 extern void x_set_tool_bar_lines (struct frame *f,
 228                                   Lisp_Object value,
 229                                   Lisp_Object oldval);
 230 extern void x_activate_menubar (struct frame *);
 231 extern int x_bitmap_icon (struct frame *, Lisp_Object);
 232 extern void initialize_frame_menubar (struct frame *);
 233 extern void x_free_frame_resources (struct frame *);
 234 extern void x_real_positions (struct frame *, int *, int *);
 235
 236 /* w32inevt.c */
 237 extern int w32_kbd_patch_key (KEY_EVENT_RECORD *event, int cpId);
 238 extern int w32_kbd_mods_to_emacs (DWORD mods, WORD key);
 239
 240
 241 extern Lisp_Object x_get_focus_frame (struct frame *);
 242
 243 /* w32console.c */
 244 extern void w32con_hide_cursor (void);
 245 extern void w32con_show_cursor (void);
 246
 247 \f
 248 #define PIX_TYPE COLORREF
 249
 250 /* Each W32 frame object points to its own struct w32_display object
 251    in the output_data.w32 field.  The w32_display structure contains all
 252    the information that is specific to W32 windows.  */
 253
 254 /* Put some things in x_output for compatibility.
 255    NTEMACS_TODO: Move all common things here to eliminate unnecessary
 256    diffs between X and w32 code.  */
 257 struct x_output
 258 {
 259   /* Keep track of focus.  May be EXPLICIT if we received a FocusIn for this
 260      frame, or IMPLICIT if we received an EnterNotify.
 261      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 262   int focus_state;
 263 };
 264
 265 enum
 266 {
 267   /* Values for focus_state, used as bit mask.
 268      EXPLICIT means we received a FocusIn for the frame and know it has
 269      the focus.  IMPLICIT means we received an EnterNotify and the frame
 270      may have the focus if no window manager is running.
 271      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 272   FOCUS_NONE     = 0,
 273   FOCUS_IMPLICIT = 1,
 274   FOCUS_EXPLICIT = 2
 275 };
 276
 277 struct w32_output
 278 {
 279   /* Placeholder for things accessed through output_data.x.  */
 280   struct x_output x_compatible;
 281
 282   /* Menubar "widget" handle.  */
 283   HMENU menubar_widget;
 284
 285   /* Original palette (used to deselect real palette after drawing) */
 286   HPALETTE old_palette;
 287
 288   /* Here are the Graphics Contexts for the default font.  */
 289   XGCValues *cursor_gc;                         /* cursor drawing */
 290
 291   /* The window used for this frame.
 292      May be zero while the frame object is being created
 293      and the window has not yet been created.  */
 294   Window window_desc;
 295
 296   /* The window that is the parent of this window.
 297      Usually this is a window that was made by the window manager,
 298      but it can be the root window, and it can be explicitly specified
 299      (see the explicit_parent field, below).  */
 300   Window parent_desc;
 301
 302   /* Default ASCII font of this frame. */
 303   struct font *font;
 304
 305   /* The baseline offset of the default ASCII font.  */
 306   int baseline_offset;
 307
 308   /* If a fontset is specified for this frame instead of font, this
 309      value contains an ID of the fontset, else -1.  */
 310   int fontset;
 311
 312   /* Pixel values used for various purposes.
 313      border_pixel may be -1 meaning use a gray tile.  */
 314   COLORREF cursor_pixel;
 315   COLORREF border_pixel;
 316   COLORREF mouse_pixel;
 317   COLORREF cursor_foreground_pixel;
 318
 319   /* Foreground color for scroll bars.  A value of -1 means use the
 320      default (black for non-toolkit scroll bars).  */
 321   COLORREF scroll_bar_foreground_pixel;
 322
 323   /* Background color for scroll bars.  A value of -1 means use the
 324      default (background color of the frame for non-toolkit scroll
 325      bars).  */
 326   COLORREF scroll_bar_background_pixel;
 327
 328   /* Descriptor for the cursor in use for this window.  */
 329   Cursor text_cursor;
 330   Cursor nontext_cursor;
 331   Cursor modeline_cursor;
 332   Cursor hand_cursor;
 333   Cursor hourglass_cursor;
 334   Cursor horizontal_drag_cursor;
 335   Cursor vertical_drag_cursor;
 336
 337   /* Non-zero means hourglass cursor is currently displayed.  */
 338   unsigned hourglass_p : 1;
 339
 340   /* Non-hourglass cursor that is currently active.  */
 341   Cursor current_cursor;
 342
 343   DWORD dwStyle;
 344
 345   /* This is the Emacs structure for the display this frame is on.  */
 346   /* struct w32_display_info *display_info; */
 347
 348   /* Nonzero means our parent is another application's window
 349      and was explicitly specified.  */
 350   unsigned explicit_parent : 1;
 351
 352   /* Nonzero means tried already to make this frame visible.  */
 353   unsigned asked_for_visible : 1;
 354
 355   /* Nonzero means menubar is currently active.  */
 356   unsigned menubar_active : 1;
 357
 358   /* Relief GCs, colors etc.  */
 359   struct relief
 360   {
 361     XGCValues *gc;
 362     unsigned long pixel;
 363   }
 364   black_relief, white_relief;
 365
 366   /* The background for which the above relief GCs were set up.
 367      They are changed only when a different background is involved.  */
 368   unsigned long relief_background;
 369
 370   /* Frame geometry and full-screen mode before it was resized by
 371      specifying the 'fullscreen' frame parameter.  Used to restore the
 372      geometry when 'fullscreen' is reset to nil.  */
 373   WINDOWPLACEMENT normal_placement;
 374   int prev_fsmode;
 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) FRAME_W32_WINDOW (f)
 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_DISPLAY_INFO(f) (&one_w32_display_info)
 392
 393 /* This is the `Display *' which frame F is on.  */
 394 #define FRAME_X_DISPLAY(f) (0)
 395
 396 #define FRAME_NORMAL_PLACEMENT(F) ((F)->output_data.w32->normal_placement)
 397 #define FRAME_PREV_FSMODE(F)      ((F)->output_data.w32->prev_fsmode)
 398
 399 \f
 400 /* W32-specific scroll bar stuff.  */
 401
 402 /* We represent scroll bars as lisp vectors.  This allows us to place
 403    references to them in windows without worrying about whether we'll
 404    end up with windows referring to dead scroll bars; the garbage
 405    collector will free it when its time comes.
 406
 407    We use struct scroll_bar as a template for accessing fields of the
 408    vector.  */
 409
 410 struct scroll_bar {
 411
 412   /* This field is shared by all vectors.  */
 413   struct vectorlike_header header;
 414
 415   /* The window we're a scroll bar for.  */
 416   Lisp_Object window;
 417
 418   /* The next and previous in the chain of scroll bars in this frame.  */
 419   Lisp_Object next, prev;
 420
 421   /* The window representing this scroll bar.  Since this is a full
 422      32-bit quantity, we store it split into two 32-bit values.  */
 423   Lisp_Object w32_window_low, w32_window_high;
 424
 425   /* Same as above for the widget.  */
 426   Lisp_Object w32_widget_low, w32_widget_high;
 427
 428   /* The position and size of the scroll bar in pixels, relative to the
 429      frame.  */
 430   int top, left, width, height;
 431
 432   /* The starting and ending positions of the handle, relative to the
 433      handle area (i.e. zero is the top position, not
 434      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 435      hasn't been drawn yet.
 436
 437      These are not actually the locations where the beginning and end
 438      are drawn; in order to keep handles from becoming invisible when
 439      editing large files, we establish a minimum height by always
 440      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 441      where they would be normally; the bottom and top are in a
 442      different co-ordinate system.  */
 443   int start, end;
 444
 445   /* If the scroll bar handle is currently being dragged by the user,
 446      this is the number of pixels from the top of the handle to the
 447      place where the user grabbed it.  If the handle isn't currently
 448      being dragged, this is Qnil.  */
 449   int dragging;
 450 };
 451
 452 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 453 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 454
 455 #ifdef _WIN64
 456 /* Building a 64-bit C integer from two 32-bit lisp integers.  */
 457 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 32 | XINT (low))
 458
 459 /* Setting two lisp integers to the low and high words of a 64-bit C int.  */
 460 #define SCROLL_BAR_UNPACK(low, high, int64) \
 461   (XSETINT ((low),   ((DWORDLONG)(int64))        & 0xffffffff), \
 462    XSETINT ((high), ((DWORDLONG)(int64) >> 32) & 0xffffffff))
 463 #else  /* not _WIN64 */
 464 /* Building a 32-bit C integer from two 16-bit lisp integers.  */
 465 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
 466
 467 /* Setting two lisp integers to the low and high words of a 32-bit C int.  */
 468 #define SCROLL_BAR_UNPACK(low, high, int32) \
 469   (XSETINT ((low),   (int32)        & 0xffff), \
 470    XSETINT ((high), ((int32) >> 16) & 0xffff))
 471 #endif  /* not _WIN64 */
 472
 473 /* Extract the window id of the scroll bar from a struct scroll_bar.  */
 474 #define SCROLL_BAR_W32_WINDOW(ptr) \
 475   ((Window) SCROLL_BAR_PACK ((ptr)->w32_window_low, (ptr)->w32_window_high))
 476
 477 /* Store a window id in a struct scroll_bar.  */
 478 #define SET_SCROLL_BAR_W32_WINDOW(ptr, id) \
 479   (SCROLL_BAR_UNPACK ((ptr)->w32_window_low, (ptr)->w32_window_high, (intptr_t) id))
 480
 481 /* Return the inside width of a vertical scroll bar, given the outside
 482    width.  */
 483 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f,width) \
 484   ((width) \
 485    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 486    - VERTICAL_SCROLL_BAR_RIGHT_BORDER)
 487
 488 /* Return the length of the rectangle within which the top of the
 489    handle must stay.  This isn't equivalent to the inside height,
 490    because the scroll bar handle has a minimum height.
 491
 492    This is the real range of motion for the scroll bar, so when we're
 493    scaling buffer positions to scroll bar positions, we use this, not
 494    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 495 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f,height) \
 496   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
 497
 498 /* Return the inside height of vertical scroll bar, given the outside
 499    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 500 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f,height) \
 501   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 502
 503
 504 /* Border widths for scroll bars.
 505
 506    Scroll bar windows don't have any borders; their border width is
 507    set to zero, and we redraw borders ourselves.  This makes the code
 508    a bit cleaner, since we don't have to convert between outside width
 509    (used when relating to the rest of the screen) and inside width
 510    (used when sizing and drawing the scroll bar window itself).
 511
 512    The handle moves up and down/back and forth in a rectangle inset
 513    from the edges of the scroll bar.  These are widths by which we
 514    inset the handle boundaries from the scroll bar edges.  */
 515 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0)
 516 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0)
 517 #define VERTICAL_SCROLL_BAR_TOP_BORDER (vertical_scroll_bar_top_border)
 518 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (vertical_scroll_bar_bottom_border)
 519
 520 /* Minimum lengths for scroll bar handles, in pixels.  */
 521 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (vertical_scroll_bar_min_handle)
 522
 523 struct frame;  /* from frame.h */
 524
 525 extern void w32_fill_rect (struct frame *, HDC, COLORREF, RECT *);
 526 extern void w32_clear_window (struct frame *);
 527
 528 #define w32_fill_area(f,hdc,pix,x,y,nx,ny) \
 529 do { \
 530     RECT rect; \
 531     rect.left = x; \
 532     rect.top = y; \
 533     rect.right = x + nx; \
 534     rect.bottom = y + ny; \
 535     w32_fill_rect (f,hdc,pix,&rect); \
 536 } while (0)
 537
 538 #define w32_fill_area_abs(f,hdc,pix,x0,y0,x1,y1) \
 539 do { \
 540     RECT rect; \
 541     rect.left = x0; \
 542     rect.top = y0; \
 543     rect.right = x1; \
 544     rect.bottom = y1; \
 545     w32_fill_rect (f,hdc,pix,&rect); \
 546 } while (0)
 547
 548 #define w32_clear_rect(f,hdc,lprect) \
 549   w32_fill_rect (f, hdc, FRAME_BACKGROUND_PIXEL (f), lprect)
 550
 551 #define w32_clear_area(f,hdc,px,py,nx,ny) \
 552   w32_fill_area (f, hdc, FRAME_BACKGROUND_PIXEL (f), px, py, nx, ny)
 553
 554 /* Define for earlier versions of Visual C */
 555 #ifndef WM_MOUSEWHEEL
 556 #define WM_MOUSEWHEEL                  (WM_MOUSELAST + 1)
 557 #endif /* WM_MOUSEWHEEL */
 558 #ifndef MSH_MOUSEWHEEL
 559 #define MSH_MOUSEWHEEL                 "MSWHEEL_ROLLMSG"
 560 #endif /* MSH_MOUSEWHEEL */
 561 #ifndef WM_XBUTTONDOWN
 562 #define WM_XBUTTONDOWN                 (WM_MOUSEWHEEL + 1)
 563 #define WM_XBUTTONUP                   (WM_MOUSEWHEEL + 2)
 564 #endif /* WM_XBUTTONDOWN */
 565 #ifndef WM_MOUSEHWHEEL
 566 #define WM_MOUSEHWHEEL                 (WM_MOUSEWHEEL + 4)
 567 #endif /* WM_MOUSEHWHEEL  */
 568 #ifndef WM_APPCOMMAND
 569 #define WM_APPCOMMAND 0x319
 570 #define GET_APPCOMMAND_LPARAM(lParam)  (HIWORD(lParam) & 0x7fff)
 571 #endif
 572 #ifndef WM_UNICHAR
 573 #define WM_UNICHAR 0x109
 574 #endif
 575 #ifndef UNICODE_NOCHAR
 576 #define UNICODE_NOCHAR 0xFFFF
 577 #endif
 578
 579 #define WM_EMACS_START                 (WM_USER + 1)
 580 #define WM_EMACS_KILL                  (WM_EMACS_START + 0)
 581 #define WM_EMACS_CREATEWINDOW          (WM_EMACS_START + 1)
 582 #define WM_EMACS_DONE                  (WM_EMACS_START + 2)
 583 #define WM_EMACS_CREATESCROLLBAR       (WM_EMACS_START + 3)
 584 #define WM_EMACS_SHOWWINDOW            (WM_EMACS_START + 4)
 585 #define WM_EMACS_SETWINDOWPOS          (WM_EMACS_START + 5)
 586 #define WM_EMACS_DESTROYWINDOW         (WM_EMACS_START + 6)
 587 #define WM_EMACS_TRACKPOPUPMENU        (WM_EMACS_START + 7)
 588 #define WM_EMACS_SETFOCUS              (WM_EMACS_START + 8)
 589 #define WM_EMACS_SETFOREGROUND         (WM_EMACS_START + 9)
 590 #define WM_EMACS_SETLOCALE             (WM_EMACS_START + 10)
 591 #define WM_EMACS_SETKEYBOARDLAYOUT     (WM_EMACS_START + 11)
 592 #define WM_EMACS_REGISTER_HOT_KEY      (WM_EMACS_START + 12)
 593 #define WM_EMACS_UNREGISTER_HOT_KEY    (WM_EMACS_START + 13)
 594 #define WM_EMACS_TOGGLE_LOCK_KEY       (WM_EMACS_START + 14)
 595 #define WM_EMACS_TRACK_CARET           (WM_EMACS_START + 15)
 596 #define WM_EMACS_DESTROY_CARET         (WM_EMACS_START + 16)
 597 #define WM_EMACS_SHOW_CARET            (WM_EMACS_START + 17)
 598 #define WM_EMACS_HIDE_CARET            (WM_EMACS_START + 18)
 599 #define WM_EMACS_SETCURSOR             (WM_EMACS_START + 19)
 600 #define WM_EMACS_PAINT                 (WM_EMACS_START + 20)
 601 #define WM_EMACS_BRINGTOTOP            (WM_EMACS_START + 21)
 602 #define WM_EMACS_INPUT_READY           (WM_EMACS_START + 22)
 603 #define WM_EMACS_FILENOTIFY            (WM_EMACS_START + 23)
 604 #define WM_EMACS_END                   (WM_EMACS_START + 24)
 605
 606 #define WND_FONTWIDTH_INDEX    (0)
 607 #define WND_LINEHEIGHT_INDEX   (4)
 608 #define WND_BORDER_INDEX       (8)
 609 #define WND_SCROLLBAR_INDEX    (12)
 610 #define WND_BACKGROUND_INDEX   (16)
 611 #define WND_LAST_INDEX         (20)
 612
 613 #define WND_EXTRA_BYTES     (WND_LAST_INDEX)
 614
 615 extern DWORD dwWindowsThreadId;
 616 extern HANDLE hWindowsThread;
 617 extern DWORD dwMainThreadId;
 618 extern HANDLE hMainThread;
 619
 620 typedef struct W32Msg {
 621     MSG msg;
 622     DWORD dwModifiers;
 623     RECT rect;
 624 } W32Msg;
 625
 626 extern BOOL prepend_msg (W32Msg *lpmsg);
 627
 628 /* Structure for recording message when input thread must return a
 629    result that depends on lisp thread to compute.  Lisp thread can
 630    complete deferred messages out of order.  */
 631 typedef struct deferred_msg
 632 {
 633   struct deferred_msg * next;
 634   W32Msg                w32msg;
 635   LRESULT               result;
 636   int                   completed;
 637 } deferred_msg;
 638
 639 extern CRITICAL_SECTION critsect;
 640
 641 extern void init_crit (void);
 642 extern void delete_crit (void);
 643
 644 extern void signal_quit (void);
 645
 646 #define enter_crit() EnterCriticalSection (&critsect)
 647 #define leave_crit() LeaveCriticalSection (&critsect)
 648
 649 extern void select_palette (struct frame * f, HDC hdc);
 650 extern void deselect_palette (struct frame * f, HDC hdc);
 651 extern HDC get_frame_dc (struct frame * f);
 652 extern int release_frame_dc (struct frame * f, HDC hDC);
 653
 654 extern int drain_message_queue (void);
 655
 656 extern BOOL get_next_msg (W32Msg *, BOOL);
 657 extern BOOL post_msg (W32Msg *);
 658 extern void complete_deferred_msg (HWND hwnd, UINT msg, LRESULT result);
 659
 660 extern BOOL parse_button (int, int, int *, int *);
 661
 662 extern void w32_sys_ring_bell (struct frame *f);
 663 extern void x_delete_display (struct w32_display_info *dpyinfo);
 664
 665 extern volatile int notification_buffer_in_use;
 666 extern BYTE file_notifications[16384];
 667 extern DWORD notifications_size;
 668 extern void *notifications_desc;
 669 extern Lisp_Object w32_get_watch_object (void *);
 670 extern Lisp_Object lispy_file_action (DWORD);
 671 extern int handle_file_notifications (struct input_event *);
 672
 673 extern void w32_initialize_display_info (Lisp_Object);
 674 extern void initialize_w32_display (struct terminal *, int *, int *);
 675
 676 /* Keypad command key support.  W32 doesn't have virtual keys defined
 677    for the function keys on the keypad (they are mapped to the standard
 678    function keys), so we define our own.  */
 679 #define VK_NUMPAD_BEGIN         0x92
 680 #define VK_NUMPAD_CLEAR         (VK_NUMPAD_BEGIN + 0)
 681 #define VK_NUMPAD_ENTER         (VK_NUMPAD_BEGIN + 1)
 682 #define VK_NUMPAD_PRIOR         (VK_NUMPAD_BEGIN + 2)
 683 #define VK_NUMPAD_NEXT          (VK_NUMPAD_BEGIN + 3)
 684 #define VK_NUMPAD_END           (VK_NUMPAD_BEGIN + 4)
 685 #define VK_NUMPAD_HOME          (VK_NUMPAD_BEGIN + 5)
 686 #define VK_NUMPAD_LEFT          (VK_NUMPAD_BEGIN + 6)
 687 #define VK_NUMPAD_UP            (VK_NUMPAD_BEGIN + 7)
 688 #define VK_NUMPAD_RIGHT         (VK_NUMPAD_BEGIN + 8)
 689 #define VK_NUMPAD_DOWN          (VK_NUMPAD_BEGIN + 9)
 690 #define VK_NUMPAD_INSERT        (VK_NUMPAD_BEGIN + 10)
 691 #define VK_NUMPAD_DELETE        (VK_NUMPAD_BEGIN + 11)
 692
 693 #ifndef VK_LWIN
 694 /* Older compiler environments don't have these defined.  */
 695 #define VK_LWIN                 0x5B
 696 #define VK_RWIN                 0x5C
 697 #define VK_APPS                 0x5D
 698 #endif
 699
 700 /* Support for treating Windows and Apps keys as modifiers.  These
 701    constants must not overlap with any of the dwControlKeyState flags in
 702    KEY_EVENT_RECORD.  */
 703 #define LEFT_WIN_PRESSED       0x8000
 704 #define RIGHT_WIN_PRESSED      0x4000
 705 #define APPS_PRESSED           0x2000
 706
 707 /* The current ANSI input codepage for GUI sessions.  */
 708 extern int w32_keyboard_codepage;
 709
 710 /* When compiling on Windows 9x/ME and NT 3.x, the following are not defined
 711    (even though they are supported on 98 and ME.  */
 712 #ifndef WM_MOUSELEAVE
 713 #define WM_MOUSELEAVE 0x02A3
 714 #define TME_LEAVE 0x00000002;
 715
 716 typedef struct tagTRACKMOUSEEVENT
 717 {
 718   DWORD cbSize;
 719   DWORD dwFlags;
 720   HWND hwndTrack;
 721   DWORD dwHoverTime;
 722 } TRACKMOUSEEVENT;
 723 #endif
 724
 725 struct image;
 726 struct face;
 727
 728 XGCValues *XCreateGC (void *, Window, unsigned long, XGCValues *);
 729
 730 typedef DWORD (WINAPI * ClipboardSequence_Proc) (void);
 731 typedef BOOL (WINAPI * AppendMenuW_Proc) (
 732     IN HMENU,
 733     IN UINT,
 734     IN UINT_PTR,
 735     IN LPCWSTR);
 736
 737 extern HWND w32_system_caret_hwnd;
 738 extern int w32_system_caret_height;
 739 extern int w32_system_caret_x;
 740 extern int w32_system_caret_y;
 741 extern struct window *w32_system_caret_window;
 742 extern int w32_system_caret_hdr_height;
 743 extern int w32_system_caret_mode_height;
 744
 745 #ifdef _MSC_VER
 746 #ifndef EnumSystemLocales
 747 /* MSVC headers define these only for _WIN32_WINNT >= 0x0500.  */
 748 typedef BOOL (CALLBACK *LOCALE_ENUMPROCA)(LPSTR);
 749 typedef BOOL (CALLBACK *LOCALE_ENUMPROCW)(LPWSTR);
 750 BOOL WINAPI EnumSystemLocalesA(LOCALE_ENUMPROCA,DWORD);
 751 BOOL WINAPI EnumSystemLocalesW(LOCALE_ENUMPROCW,DWORD);
 752 #ifdef UNICODE
 753 #define EnumSystemLocales EnumSystemLocalesW
 754 #else
 755 #define EnumSystemLocales EnumSystemLocalesA
 756 #endif
 757 #endif
 758 #endif
 759
 760 #if EMACSDEBUG
 761 extern const char*
 762 w32_name_of_message (UINT msg);
 763 #endif /* EMACSDEBUG */
 764
 765 #ifdef NTGUI_UNICODE
 766 extern Lisp_Object ntgui_encode_system (Lisp_Object str);
 767 #define GUISTR(x) (L ## x)
 768 #define GUI_ENCODE_FILE GUI_ENCODE_SYSTEM
 769 #define GUI_ENCODE_SYSTEM(x) ntgui_encode_system (x)
 770 #define GUI_FN(fn) fn ## W
 771 typedef wchar_t guichar_t;
 772 #else /* !NTGUI_UNICODE */
 773 #define GUISTR(x) x
 774 #define GUI_ENCODE_FILE ENCODE_FILE
 775 #define GUI_ENCODE_SYSTEM ENCODE_SYSTEM
 776 #define GUI_FN(fn) fn
 777 typedef char guichar_t;
 778 #endif /* NTGUI_UNICODE */
 779
 780 #define GUI_SDATA(x) ((guichar_t*) SDATA (x))
 781
 782 extern Lisp_Object w32_popup_dialog (struct frame *, Lisp_Object, Lisp_Object);
 783
 784 extern void syms_of_w32term (void);
 785 extern void syms_of_w32menu (void);
 786 extern void syms_of_w32fns (void);
 787
 788 extern void globals_of_w32menu (void);
 789 extern void globals_of_w32fns (void);
 790 extern void globals_of_w32notify (void);
 791
 792 #ifdef CYGWIN
 793 extern int w32_message_fd;
 794 #endif /* CYGWIN */