code.delx.au - gnu-emacs/blob - 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 /* These 2 are set by w32fns.c and examined in w32term.c.  */
 204 extern HMENU current_popup_menu;
 205 extern int menubar_in_use;
 206
 207 extern struct frame *x_window_to_frame (struct w32_display_info *, HWND);
 208
 209 struct w32_display_info *x_display_info_for_name (Lisp_Object);
 210
 211 Lisp_Object display_x_get_resource (struct w32_display_info *,
 212                                     Lisp_Object, Lisp_Object,
 213                                     Lisp_Object, Lisp_Object);
 214
 215 /* also defined in xterm.h XXX: factor out to common header */
 216
 217 extern struct w32_display_info *w32_term_init (Lisp_Object,
 218                                                char *, char *);
 219 extern int w32_defined_color (struct frame *f, const char *color,
 220                               XColor *color_def, int alloc);
 221 extern void x_set_window_size (struct frame *f, int change_grav,
 222                                int width, int height, bool pixelwise);
 223 extern int x_display_pixel_height (struct w32_display_info *);
 224 extern int x_display_pixel_width (struct w32_display_info *);
 225 extern Lisp_Object x_get_focus_frame (struct frame *);
 226 extern void x_make_frame_visible (struct frame *f);
 227 extern void x_make_frame_invisible (struct frame *f);
 228 extern void x_iconify_frame (struct frame *f);
 229 extern void x_set_frame_alpha (struct frame *f);
 230 extern void x_set_menu_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
 231 extern void x_set_tool_bar_lines (struct frame *f,
 232                                   Lisp_Object value,
 233                                   Lisp_Object oldval);
 234 extern void x_activate_menubar (struct frame *);
 235 extern int x_bitmap_icon (struct frame *, Lisp_Object);
 236 extern void initialize_frame_menubar (struct frame *);
 237 extern void x_free_frame_resources (struct frame *);
 238 extern void x_real_positions (struct frame *, int *, int *);
 239
 240 /* w32inevt.c */
 241 extern int w32_kbd_patch_key (KEY_EVENT_RECORD *event, int cpId);
 242 extern int w32_kbd_mods_to_emacs (DWORD mods, WORD key);
 243
 244
 245 extern Lisp_Object x_get_focus_frame (struct frame *);
 246
 247 /* w32console.c */
 248 extern void w32con_hide_cursor (void);
 249 extern void w32con_show_cursor (void);
 250
 251 \f
 252 #define PIX_TYPE COLORREF
 253
 254 /* Each W32 frame object points to its own struct w32_display object
 255    in the output_data.w32 field.  The w32_display structure contains all
 256    the information that is specific to W32 windows.  */
 257
 258 /* Put some things in x_output for compatibility.
 259    NTEMACS_TODO: Move all common things here to eliminate unnecessary
 260    diffs between X and w32 code.  */
 261 struct x_output
 262 {
 263   /* Keep track of focus.  May be EXPLICIT if we received a FocusIn for this
 264      frame, or IMPLICIT if we received an EnterNotify.
 265      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 266   int focus_state;
 267 };
 268
 269 enum
 270 {
 271   /* Values for focus_state, used as bit mask.
 272      EXPLICIT means we received a FocusIn for the frame and know it has
 273      the focus.  IMPLICIT means we received an EnterNotify and the frame
 274      may have the focus if no window manager is running.
 275      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 276   FOCUS_NONE     = 0,
 277   FOCUS_IMPLICIT = 1,
 278   FOCUS_EXPLICIT = 2
 279 };
 280
 281 struct w32_output
 282 {
 283   /* Placeholder for things accessed through output_data.x.  */
 284   struct x_output x_compatible;
 285
 286   /* Menubar "widget" handle.  */
 287   HMENU menubar_widget;
 288
 289   /* Original palette (used to deselect real palette after drawing) */
 290   HPALETTE old_palette;
 291
 292   /* Here are the Graphics Contexts for the default font.  */
 293   XGCValues *cursor_gc;                         /* cursor drawing */
 294
 295   /* The window used for this frame.
 296      May be zero while the frame object is being created
 297      and the window has not yet been created.  */
 298   Window window_desc;
 299
 300   /* The window that is the parent of this window.
 301      Usually this is a window that was made by the window manager,
 302      but it can be the root window, and it can be explicitly specified
 303      (see the explicit_parent field, below).  */
 304   Window parent_desc;
 305
 306   /* Default ASCII font of this frame. */
 307   struct font *font;
 308
 309   /* The baseline offset of the default ASCII font.  */
 310   int baseline_offset;
 311
 312   /* If a fontset is specified for this frame instead of font, this
 313      value contains an ID of the fontset, else -1.  */
 314   int fontset;
 315
 316   /* Pixel values used for various purposes.
 317      border_pixel may be -1 meaning use a gray tile.  */
 318   COLORREF cursor_pixel;
 319   COLORREF border_pixel;
 320   COLORREF mouse_pixel;
 321   COLORREF cursor_foreground_pixel;
 322
 323   /* Foreground color for scroll bars.  A value of -1 means use the
 324      default (black for non-toolkit scroll bars).  */
 325   COLORREF scroll_bar_foreground_pixel;
 326
 327   /* Background color for scroll bars.  A value of -1 means use the
 328      default (background color of the frame for non-toolkit scroll
 329      bars).  */
 330   COLORREF scroll_bar_background_pixel;
 331
 332   /* Descriptor for the cursor in use for this window.  */
 333   Cursor text_cursor;
 334   Cursor nontext_cursor;
 335   Cursor modeline_cursor;
 336   Cursor hand_cursor;
 337   Cursor hourglass_cursor;
 338   Cursor horizontal_drag_cursor;
 339   Cursor vertical_drag_cursor;
 340
 341   /* Non-zero means hourglass cursor is currently displayed.  */
 342   unsigned hourglass_p : 1;
 343
 344   /* Non-hourglass cursor that is currently active.  */
 345   Cursor current_cursor;
 346
 347   DWORD dwStyle;
 348
 349   /* This is the Emacs structure for the display this frame is on.  */
 350   /* struct w32_display_info *display_info; */
 351
 352   /* Nonzero means our parent is another application's window
 353      and was explicitly specified.  */
 354   unsigned explicit_parent : 1;
 355
 356   /* Nonzero means tried already to make this frame visible.  */
 357   unsigned asked_for_visible : 1;
 358
 359   /* Nonzero means menubar is currently active.  */
 360   unsigned menubar_active : 1;
 361
 362   /* Relief GCs, colors etc.  */
 363   struct relief
 364   {
 365     XGCValues *gc;
 366     unsigned long pixel;
 367   }
 368   black_relief, white_relief;
 369
 370   /* The background for which the above relief GCs were set up.
 371      They are changed only when a different background is involved.  */
 372   unsigned long relief_background;
 373
 374   /* Frame geometry and full-screen mode before it was resized by
 375      specifying the 'fullscreen' frame parameter.  Used to restore the
 376      geometry when 'fullscreen' is reset to nil.  */
 377   WINDOWPLACEMENT normal_placement;
 378   int prev_fsmode;
 379 };
 380
 381 extern struct w32_output w32term_display;
 382
 383 /* Return the X output data for frame F.  */
 384 #define FRAME_X_OUTPUT(f) ((f)->output_data.w32)
 385
 386 /* Return the window associated with the frame F.  */
 387 #define FRAME_W32_WINDOW(f) ((f)->output_data.w32->window_desc)
 388 #define FRAME_X_WINDOW(f) FRAME_W32_WINDOW (f)
 389
 390 #define FRAME_FONT(f) ((f)->output_data.w32->font)
 391 #define FRAME_FONTSET(f) ((f)->output_data.w32->fontset)
 392 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.w32->baseline_offset)
 393
 394 /* This gives the w32_display_info structure for the display F is on.  */
 395 #define FRAME_DISPLAY_INFO(f) (&one_w32_display_info)
 396
 397 /* This is the `Display *' which frame F is on.  */
 398 #define FRAME_X_DISPLAY(f) (0)
 399
 400 #define FRAME_NORMAL_PLACEMENT(F) ((F)->output_data.w32->normal_placement)
 401 #define FRAME_PREV_FSMODE(F)      ((F)->output_data.w32->prev_fsmode)
 402
 403 \f
 404 /* W32-specific scroll bar stuff.  */
 405
 406 /* We represent scroll bars as lisp vectors.  This allows us to place
 407    references to them in windows without worrying about whether we'll
 408    end up with windows referring to dead scroll bars; the garbage
 409    collector will free it when its time comes.
 410
 411    We use struct scroll_bar as a template for accessing fields of the
 412    vector.  */
 413
 414 struct scroll_bar {
 415
 416   /* This field is shared by all vectors.  */
 417   struct vectorlike_header header;
 418
 419   /* The window we're a scroll bar for.  */
 420   Lisp_Object window;
 421
 422   /* The next and previous in the chain of scroll bars in this frame.  */
 423   Lisp_Object next, prev;
 424
 425   /* The window representing this scroll bar.  Since this is a full
 426      32-bit quantity, we store it split into two 32-bit values.  */
 427   Lisp_Object w32_window_low, w32_window_high;
 428
 429   /* Same as above for the widget.  */
 430   Lisp_Object w32_widget_low, w32_widget_high;
 431
 432   /* The position and size of the scroll bar in pixels, relative to the
 433      frame.  */
 434   int top, left, width, height;
 435
 436   /* The starting and ending positions of the handle, relative to the
 437      handle area (i.e. zero is the top position, not
 438      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 439      hasn't been drawn yet.
 440
 441      These are not actually the locations where the beginning and end
 442      are drawn; in order to keep handles from becoming invisible when
 443      editing large files, we establish a minimum height by always
 444      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 445      where they would be normally; the bottom and top are in a
 446      different co-ordinate system.  */
 447   int start, end;
 448
 449   /* If the scroll bar handle is currently being dragged by the user,
 450      this is the number of pixels from the top of the handle to the
 451      place where the user grabbed it.  If the handle isn't currently
 452      being dragged, this is Qnil.  */
 453   int dragging;
 454 };
 455
 456 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 457 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 458
 459 #ifdef _WIN64
 460 /* Building a 64-bit C integer from two 32-bit lisp integers.  */
 461 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 32 | XINT (low))
 462
 463 /* Setting two lisp integers to the low and high words of a 64-bit C int.  */
 464 #define SCROLL_BAR_UNPACK(low, high, int64) \
 465   (XSETINT ((low),   ((DWORDLONG)(int64))        & 0xffffffff), \
 466    XSETINT ((high), ((DWORDLONG)(int64) >> 32) & 0xffffffff))
 467 #else  /* not _WIN64 */
 468 /* Building a 32-bit C integer from two 16-bit lisp integers.  */
 469 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
 470
 471 /* Setting two lisp integers to the low and high words of a 32-bit C int.  */
 472 #define SCROLL_BAR_UNPACK(low, high, int32) \
 473   (XSETINT ((low),   (int32)        & 0xffff), \
 474    XSETINT ((high), ((int32) >> 16) & 0xffff))
 475 #endif  /* not _WIN64 */
 476
 477 /* Extract the window id of the scroll bar from a struct scroll_bar.  */
 478 #define SCROLL_BAR_W32_WINDOW(ptr) \
 479   ((Window) SCROLL_BAR_PACK ((ptr)->w32_window_low, (ptr)->w32_window_high))
 480
 481 /* Store a window id in a struct scroll_bar.  */
 482 #define SET_SCROLL_BAR_W32_WINDOW(ptr, id) \
 483   (SCROLL_BAR_UNPACK ((ptr)->w32_window_low, (ptr)->w32_window_high, (intptr_t) id))
 484
 485 /* Return the inside width of a vertical scroll bar, given the outside
 486    width.  */
 487 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f,width) \
 488   ((width) \
 489    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 490    - VERTICAL_SCROLL_BAR_RIGHT_BORDER)
 491
 492 /* Return the length of the rectangle within which the top of the
 493    handle must stay.  This isn't equivalent to the inside height,
 494    because the scroll bar handle has a minimum height.
 495
 496    This is the real range of motion for the scroll bar, so when we're
 497    scaling buffer positions to scroll bar positions, we use this, not
 498    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 499 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f,height) \
 500   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
 501
 502 /* Return the inside height of vertical scroll bar, given the outside
 503    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 504 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f,height) \
 505   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 506
 507
 508 /* Border widths for scroll bars.
 509
 510    Scroll bar windows don't have any borders; their border width is
 511    set to zero, and we redraw borders ourselves.  This makes the code
 512    a bit cleaner, since we don't have to convert between outside width
 513    (used when relating to the rest of the screen) and inside width
 514    (used when sizing and drawing the scroll bar window itself).
 515
 516    The handle moves up and down/back and forth in a rectangle inset
 517    from the edges of the scroll bar.  These are widths by which we
 518    inset the handle boundaries from the scroll bar edges.  */
 519 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0)
 520 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0)
 521 #define VERTICAL_SCROLL_BAR_TOP_BORDER (vertical_scroll_bar_top_border)
 522 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (vertical_scroll_bar_bottom_border)
 523
 524 /* Minimum lengths for scroll bar handles, in pixels.  */
 525 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (vertical_scroll_bar_min_handle)
 526
 527 struct frame;  /* from frame.h */
 528
 529 extern void w32_fill_rect (struct frame *, HDC, COLORREF, RECT *);
 530 extern void w32_clear_window (struct frame *);
 531
 532 #define w32_fill_area(f,hdc,pix,x,y,nx,ny) \
 533 do { \
 534     RECT rect; \
 535     rect.left = x; \
 536     rect.top = y; \
 537     rect.right = x + nx; \
 538     rect.bottom = y + ny; \
 539     w32_fill_rect (f,hdc,pix,&rect); \
 540 } while (0)
 541
 542 #define w32_fill_area_abs(f,hdc,pix,x0,y0,x1,y1) \
 543 do { \
 544     RECT rect; \
 545     rect.left = x0; \
 546     rect.top = y0; \
 547     rect.right = x1; \
 548     rect.bottom = y1; \
 549     w32_fill_rect (f,hdc,pix,&rect); \
 550 } while (0)
 551
 552 #define w32_clear_rect(f,hdc,lprect) \
 553   w32_fill_rect (f, hdc, FRAME_BACKGROUND_PIXEL (f), lprect)
 554
 555 #define w32_clear_area(f,hdc,px,py,nx,ny) \
 556   w32_fill_area (f, hdc, FRAME_BACKGROUND_PIXEL (f), px, py, nx, ny)
 557
 558 /* Define for earlier versions of Visual C */
 559 #ifndef WM_MOUSEWHEEL
 560 #define WM_MOUSEWHEEL                  (WM_MOUSELAST + 1)
 561 #endif /* WM_MOUSEWHEEL */
 562 #ifndef MSH_MOUSEWHEEL
 563 #define MSH_MOUSEWHEEL                 "MSWHEEL_ROLLMSG"
 564 #endif /* MSH_MOUSEWHEEL */
 565 #ifndef WM_XBUTTONDOWN
 566 #define WM_XBUTTONDOWN                 (WM_MOUSEWHEEL + 1)
 567 #define WM_XBUTTONUP                   (WM_MOUSEWHEEL + 2)
 568 #endif /* WM_XBUTTONDOWN */
 569 #ifndef WM_MOUSEHWHEEL
 570 #define WM_MOUSEHWHEEL                 (WM_MOUSEWHEEL + 4)
 571 #endif /* WM_MOUSEHWHEEL  */
 572 #ifndef WM_APPCOMMAND
 573 #define WM_APPCOMMAND 0x319
 574 #define GET_APPCOMMAND_LPARAM(lParam)  (HIWORD(lParam) & 0x7fff)
 575 #endif
 576 #ifndef WM_UNICHAR
 577 #define WM_UNICHAR 0x109
 578 #endif
 579 #ifndef UNICODE_NOCHAR
 580 #define UNICODE_NOCHAR 0xFFFF
 581 #endif
 582
 583 #define WM_EMACS_START                 (WM_USER + 1)
 584 #define WM_EMACS_KILL                  (WM_EMACS_START + 0)
 585 #define WM_EMACS_CREATEWINDOW          (WM_EMACS_START + 1)
 586 #define WM_EMACS_DONE                  (WM_EMACS_START + 2)
 587 #define WM_EMACS_CREATESCROLLBAR       (WM_EMACS_START + 3)
 588 #define WM_EMACS_SHOWWINDOW            (WM_EMACS_START + 4)
 589 #define WM_EMACS_SETWINDOWPOS          (WM_EMACS_START + 5)
 590 #define WM_EMACS_DESTROYWINDOW         (WM_EMACS_START + 6)
 591 #define WM_EMACS_TRACKPOPUPMENU        (WM_EMACS_START + 7)
 592 #define WM_EMACS_SETFOCUS              (WM_EMACS_START + 8)
 593 #define WM_EMACS_SETFOREGROUND         (WM_EMACS_START + 9)
 594 #define WM_EMACS_SETLOCALE             (WM_EMACS_START + 10)
 595 #define WM_EMACS_SETKEYBOARDLAYOUT     (WM_EMACS_START + 11)
 596 #define WM_EMACS_REGISTER_HOT_KEY      (WM_EMACS_START + 12)
 597 #define WM_EMACS_UNREGISTER_HOT_KEY    (WM_EMACS_START + 13)
 598 #define WM_EMACS_TOGGLE_LOCK_KEY       (WM_EMACS_START + 14)
 599 #define WM_EMACS_TRACK_CARET           (WM_EMACS_START + 15)
 600 #define WM_EMACS_DESTROY_CARET         (WM_EMACS_START + 16)
 601 #define WM_EMACS_SHOW_CARET            (WM_EMACS_START + 17)
 602 #define WM_EMACS_HIDE_CARET            (WM_EMACS_START + 18)
 603 #define WM_EMACS_SETCURSOR             (WM_EMACS_START + 19)
 604 #define WM_EMACS_PAINT                 (WM_EMACS_START + 20)
 605 #define WM_EMACS_BRINGTOTOP            (WM_EMACS_START + 21)
 606 #define WM_EMACS_INPUT_READY           (WM_EMACS_START + 22)
 607 #define WM_EMACS_FILENOTIFY            (WM_EMACS_START + 23)
 608 #define WM_EMACS_END                   (WM_EMACS_START + 24)
 609
 610 #define WND_FONTWIDTH_INDEX    (0)
 611 #define WND_LINEHEIGHT_INDEX   (4)
 612 #define WND_BORDER_INDEX       (8)
 613 #define WND_SCROLLBAR_INDEX    (12)
 614 #define WND_BACKGROUND_INDEX   (16)
 615 #define WND_LAST_INDEX         (20)
 616
 617 #define WND_EXTRA_BYTES     (WND_LAST_INDEX)
 618
 619 extern DWORD dwWindowsThreadId;
 620 extern HANDLE hWindowsThread;
 621 extern DWORD dwMainThreadId;
 622 extern HANDLE hMainThread;
 623
 624 typedef struct W32Msg {
 625     MSG msg;
 626     DWORD dwModifiers;
 627     RECT rect;
 628 } W32Msg;
 629
 630 extern BOOL prepend_msg (W32Msg *lpmsg);
 631
 632 /* Structure for recording message when input thread must return a
 633    result that depends on lisp thread to compute.  Lisp thread can
 634    complete deferred messages out of order.  */
 635 typedef struct deferred_msg
 636 {
 637   struct deferred_msg * next;
 638   W32Msg                w32msg;
 639   LRESULT               result;
 640   int                   completed;
 641 } deferred_msg;
 642
 643 extern CRITICAL_SECTION critsect;
 644
 645 extern void init_crit (void);
 646 extern void delete_crit (void);
 647
 648 extern void signal_quit (void);
 649
 650 #define enter_crit() EnterCriticalSection (&critsect)
 651 #define leave_crit() LeaveCriticalSection (&critsect)
 652
 653 extern void select_palette (struct frame * f, HDC hdc);
 654 extern void deselect_palette (struct frame * f, HDC hdc);
 655 extern HDC get_frame_dc (struct frame * f);
 656 extern int release_frame_dc (struct frame * f, HDC hDC);
 657
 658 extern int drain_message_queue (void);
 659
 660 extern BOOL get_next_msg (W32Msg *, BOOL);
 661 extern BOOL post_msg (W32Msg *);
 662 extern void complete_deferred_msg (HWND hwnd, UINT msg, LRESULT result);
 663
 664 extern BOOL parse_button (int, int, int *, int *);
 665
 666 extern void w32_sys_ring_bell (struct frame *f);
 667 extern void x_delete_display (struct w32_display_info *dpyinfo);
 668
 669 extern volatile int notification_buffer_in_use;
 670 extern BYTE file_notifications[16384];
 671 extern DWORD notifications_size;
 672 extern void *notifications_desc;
 673 extern Lisp_Object w32_get_watch_object (void *);
 674 extern Lisp_Object lispy_file_action (DWORD);
 675 extern int handle_file_notifications (struct input_event *);
 676
 677 extern void w32_initialize_display_info (Lisp_Object);
 678 extern void initialize_w32_display (struct terminal *, int *, int *);
 679
 680 /* Keypad command key support.  W32 doesn't have virtual keys defined
 681    for the function keys on the keypad (they are mapped to the standard
 682    function keys), so we define our own.  */
 683 #define VK_NUMPAD_BEGIN         0x92
 684 #define VK_NUMPAD_CLEAR         (VK_NUMPAD_BEGIN + 0)
 685 #define VK_NUMPAD_ENTER         (VK_NUMPAD_BEGIN + 1)
 686 #define VK_NUMPAD_PRIOR         (VK_NUMPAD_BEGIN + 2)
 687 #define VK_NUMPAD_NEXT          (VK_NUMPAD_BEGIN + 3)
 688 #define VK_NUMPAD_END           (VK_NUMPAD_BEGIN + 4)
 689 #define VK_NUMPAD_HOME          (VK_NUMPAD_BEGIN + 5)
 690 #define VK_NUMPAD_LEFT          (VK_NUMPAD_BEGIN + 6)
 691 #define VK_NUMPAD_UP            (VK_NUMPAD_BEGIN + 7)
 692 #define VK_NUMPAD_RIGHT         (VK_NUMPAD_BEGIN + 8)
 693 #define VK_NUMPAD_DOWN          (VK_NUMPAD_BEGIN + 9)
 694 #define VK_NUMPAD_INSERT        (VK_NUMPAD_BEGIN + 10)
 695 #define VK_NUMPAD_DELETE        (VK_NUMPAD_BEGIN + 11)
 696
 697 #ifndef VK_LWIN
 698 /* Older compiler environments don't have these defined.  */
 699 #define VK_LWIN                 0x5B
 700 #define VK_RWIN                 0x5C
 701 #define VK_APPS                 0x5D
 702 #endif
 703
 704 /* Support for treating Windows and Apps keys as modifiers.  These
 705    constants must not overlap with any of the dwControlKeyState flags in
 706    KEY_EVENT_RECORD.  */
 707 #define LEFT_WIN_PRESSED       0x8000
 708 #define RIGHT_WIN_PRESSED      0x4000
 709 #define APPS_PRESSED           0x2000
 710
 711 /* The current ANSI input codepage for GUI sessions.  */
 712 extern int w32_keyboard_codepage;
 713
 714 /* When compiling on Windows 9x/ME and NT 3.x, the following are not defined
 715    (even though they are supported on 98 and ME.  */
 716 #ifndef WM_MOUSELEAVE
 717 #define WM_MOUSELEAVE 0x02A3
 718 #define TME_LEAVE 0x00000002;
 719
 720 typedef struct tagTRACKMOUSEEVENT
 721 {
 722   DWORD cbSize;
 723   DWORD dwFlags;
 724   HWND hwndTrack;
 725   DWORD dwHoverTime;
 726 } TRACKMOUSEEVENT;
 727 #endif
 728
 729 struct image;
 730 struct face;
 731
 732 XGCValues *XCreateGC (void *, Window, unsigned long, XGCValues *);
 733
 734 typedef DWORD (WINAPI * ClipboardSequence_Proc) (void);
 735 typedef BOOL (WINAPI * AppendMenuW_Proc) (
 736     IN HMENU,
 737     IN UINT,
 738     IN UINT_PTR,
 739     IN LPCWSTR);
 740
 741 extern HWND w32_system_caret_hwnd;
 742 extern int w32_system_caret_height;
 743 extern int w32_system_caret_x;
 744 extern int w32_system_caret_y;
 745 extern struct window *w32_system_caret_window;
 746 extern int w32_system_caret_hdr_height;
 747 extern int w32_system_caret_mode_height;
 748
 749 #ifdef _MSC_VER
 750 #ifndef EnumSystemLocales
 751 /* MSVC headers define these only for _WIN32_WINNT >= 0x0500.  */
 752 typedef BOOL (CALLBACK *LOCALE_ENUMPROCA)(LPSTR);
 753 typedef BOOL (CALLBACK *LOCALE_ENUMPROCW)(LPWSTR);
 754 BOOL WINAPI EnumSystemLocalesA(LOCALE_ENUMPROCA,DWORD);
 755 BOOL WINAPI EnumSystemLocalesW(LOCALE_ENUMPROCW,DWORD);
 756 #ifdef UNICODE
 757 #define EnumSystemLocales EnumSystemLocalesW
 758 #else
 759 #define EnumSystemLocales EnumSystemLocalesA
 760 #endif
 761 #endif
 762 #endif
 763
 764 #if EMACSDEBUG
 765 extern const char*
 766 w32_name_of_message (UINT msg);
 767 #endif /* EMACSDEBUG */
 768
 769 #ifdef NTGUI_UNICODE
 770 extern Lisp_Object ntgui_encode_system (Lisp_Object str);
 771 #define GUISTR(x) (L ## x)
 772 #define GUI_ENCODE_FILE GUI_ENCODE_SYSTEM
 773 #define GUI_ENCODE_SYSTEM(x) ntgui_encode_system (x)
 774 #define GUI_FN(fn) fn ## W
 775 typedef wchar_t guichar_t;
 776 #else /* !NTGUI_UNICODE */
 777 #define GUISTR(x) x
 778 #define GUI_ENCODE_FILE ENCODE_FILE
 779 #define GUI_ENCODE_SYSTEM ENCODE_SYSTEM
 780 #define GUI_FN(fn) fn
 781 typedef char guichar_t;
 782 #endif /* NTGUI_UNICODE */
 783
 784 #define GUI_SDATA(x) ((guichar_t*) SDATA (x))
 785
 786 extern Lisp_Object w32_popup_dialog (struct frame *, Lisp_Object, Lisp_Object);
 787 extern void w32_arrow_cursor (void);
 788
 789 extern void syms_of_w32term (void);
 790 extern void syms_of_w32menu (void);
 791 extern void syms_of_w32fns (void);
 792
 793 extern void globals_of_w32menu (void);
 794 extern void globals_of_w32fns (void);
 795 extern void globals_of_w32notify (void);
 796
 797 #ifdef CYGWIN
 798 extern int w32_message_fd;
 799 #endif /* CYGWIN */