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