| 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 */ |