| 1 | /* Implementation of GUI terminal on the Microsoft W32 API. |
| 2 | Copyright (C) 1989, 1993, 1994, 1995 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 2, or (at your option) |
| 9 | 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; see the file COPYING. If not, write to the |
| 18 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 19 | Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | /* Added by Kevin Gallo */ |
| 22 | |
| 23 | #include <signal.h> |
| 24 | #include <config.h> |
| 25 | #include <stdio.h> |
| 26 | #include "lisp.h" |
| 27 | #include "charset.h" |
| 28 | #include "blockinput.h" |
| 29 | |
| 30 | #include "w32term.h" |
| 31 | |
| 32 | #include "systty.h" |
| 33 | #include "systime.h" |
| 34 | |
| 35 | #include <ctype.h> |
| 36 | #include <errno.h> |
| 37 | #include <setjmp.h> |
| 38 | #include <sys/stat.h> |
| 39 | |
| 40 | #include "frame.h" |
| 41 | #include "dispextern.h" |
| 42 | #include "termhooks.h" |
| 43 | #include "termopts.h" |
| 44 | #include "termchar.h" |
| 45 | #include "gnu.h" |
| 46 | #include "disptab.h" |
| 47 | #include "buffer.h" |
| 48 | #include "window.h" |
| 49 | #include "keyboard.h" |
| 50 | #include "intervals.h" |
| 51 | |
| 52 | #undef min |
| 53 | #undef max |
| 54 | #define min(x, y) (((x) < (y)) ? (x) : (y)) |
| 55 | #define max(x, y) (((x) > (y)) ? (x) : (y)) |
| 56 | |
| 57 | extern void free_frame_menubar (); |
| 58 | |
| 59 | extern Lisp_Object Vwindow_system; |
| 60 | |
| 61 | #define x_any_window_to_frame x_window_to_frame |
| 62 | #define x_top_window_to_frame x_window_to_frame |
| 63 | |
| 64 | \f |
| 65 | /* This is display since w32 does not support multiple ones. */ |
| 66 | struct w32_display_info one_w32_display_info; |
| 67 | |
| 68 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), |
| 69 | one for each element of w32_display_list and in the same order. |
| 70 | NAME is the name of the frame. |
| 71 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ |
| 72 | Lisp_Object w32_display_name_list; |
| 73 | |
| 74 | /* Frame being updated by update_frame. This is declared in term.c. |
| 75 | This is set by update_begin and looked at by all the |
| 76 | w32 functions. It is zero while not inside an update. |
| 77 | In that case, the w32 functions assume that `selected_frame' |
| 78 | is the frame to apply to. */ |
| 79 | extern struct frame *updating_frame; |
| 80 | |
| 81 | /* This is a frame waiting to be autoraised, within w32_read_socket. */ |
| 82 | struct frame *pending_autoraise_frame; |
| 83 | |
| 84 | /* During an update, maximum vpos for ins/del line operations to affect. */ |
| 85 | |
| 86 | static int flexlines; |
| 87 | |
| 88 | /* During an update, nonzero if chars output now should be highlighted. */ |
| 89 | |
| 90 | static int highlight; |
| 91 | |
| 92 | /* Nominal cursor position -- where to draw output. |
| 93 | During an update, these are different from the cursor-box position. */ |
| 94 | |
| 95 | static int curs_x; |
| 96 | static int curs_y; |
| 97 | |
| 98 | DWORD dwWindowsThreadId = 0; |
| 99 | HANDLE hWindowsThread = NULL; |
| 100 | DWORD dwMainThreadId = 0; |
| 101 | HANDLE hMainThread = NULL; |
| 102 | |
| 103 | #ifndef SIF_ALL |
| 104 | /* These definitions are new with Windows 95. */ |
| 105 | #define SIF_RANGE 0x0001 |
| 106 | #define SIF_PAGE 0x0002 |
| 107 | #define SIF_POS 0x0004 |
| 108 | #define SIF_DISABLENOSCROLL 0x0008 |
| 109 | #define SIF_TRACKPOS 0x0010 |
| 110 | #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS) |
| 111 | |
| 112 | typedef struct tagSCROLLINFO |
| 113 | { |
| 114 | UINT cbSize; |
| 115 | UINT fMask; |
| 116 | int nMin; |
| 117 | int nMax; |
| 118 | UINT nPage; |
| 119 | int nPos; |
| 120 | int nTrackPos; |
| 121 | } SCROLLINFO, FAR *LPSCROLLINFO; |
| 122 | typedef SCROLLINFO CONST FAR *LPCSCROLLINFO; |
| 123 | #endif /* SIF_ALL */ |
| 124 | |
| 125 | /* Dynamic linking to new proportional scroll bar functions. */ |
| 126 | int (PASCAL *pfnSetScrollInfo) (HWND hwnd, int fnBar, LPSCROLLINFO lpsi, BOOL fRedraw); |
| 127 | BOOL (PASCAL *pfnGetScrollInfo) (HWND hwnd, int fnBar, LPSCROLLINFO lpsi); |
| 128 | |
| 129 | int vertical_scroll_bar_min_handle; |
| 130 | int vertical_scroll_bar_top_border; |
| 131 | int vertical_scroll_bar_bottom_border; |
| 132 | |
| 133 | int last_scroll_bar_drag_pos; |
| 134 | |
| 135 | /* Mouse movement. */ |
| 136 | |
| 137 | /* Where the mouse was last time we reported a mouse event. */ |
| 138 | static FRAME_PTR last_mouse_frame; |
| 139 | static RECT last_mouse_glyph; |
| 140 | |
| 141 | Lisp_Object Vw32_num_mouse_buttons; |
| 142 | |
| 143 | Lisp_Object Vw32_swap_mouse_buttons; |
| 144 | |
| 145 | /* Control whether x_raise_frame also sets input focus. */ |
| 146 | Lisp_Object Vw32_grab_focus_on_raise; |
| 147 | |
| 148 | /* Control whether Caps Lock affects non-ascii characters. */ |
| 149 | Lisp_Object Vw32_capslock_is_shiftlock; |
| 150 | |
| 151 | /* The scroll bar in which the last motion event occurred. |
| 152 | |
| 153 | If the last motion event occurred in a scroll bar, we set this |
| 154 | so w32_mouse_position can know whether to report a scroll bar motion or |
| 155 | an ordinary motion. |
| 156 | |
| 157 | If the last motion event didn't occur in a scroll bar, we set this |
| 158 | to Qnil, to tell w32_mouse_position to return an ordinary motion event. */ |
| 159 | Lisp_Object last_mouse_scroll_bar; |
| 160 | int last_mouse_scroll_bar_pos; |
| 161 | |
| 162 | /* This is a hack. We would really prefer that w32_mouse_position would |
| 163 | return the time associated with the position it returns, but there |
| 164 | doesn't seem to be any way to wrest the timestamp from the server |
| 165 | along with the position query. So, we just keep track of the time |
| 166 | of the last movement we received, and return that in hopes that |
| 167 | it's somewhat accurate. */ |
| 168 | Time last_mouse_movement_time; |
| 169 | |
| 170 | /* Incremented by w32_read_socket whenever it really tries to read events. */ |
| 171 | #ifdef __STDC__ |
| 172 | static int volatile input_signal_count; |
| 173 | #else |
| 174 | static int input_signal_count; |
| 175 | #endif |
| 176 | |
| 177 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
| 178 | |
| 179 | extern Lisp_Object Qface, Qmouse_face; |
| 180 | |
| 181 | extern int errno; |
| 182 | |
| 183 | /* A mask of extra modifier bits to put into every keyboard char. */ |
| 184 | extern int extra_keyboard_modifiers; |
| 185 | |
| 186 | static Lisp_Object Qvendor_specific_keysyms; |
| 187 | |
| 188 | void w32_delete_display (); |
| 189 | |
| 190 | static void redraw_previous_char (); |
| 191 | static void redraw_following_char (); |
| 192 | static unsigned int w32_get_modifiers (); |
| 193 | |
| 194 | static int fast_find_position (); |
| 195 | static void note_mouse_highlight (); |
| 196 | static void clear_mouse_face (); |
| 197 | static void show_mouse_face (); |
| 198 | static void do_line_dance (); |
| 199 | |
| 200 | static int w32_cursor_to (); |
| 201 | static int w32_clear_end_of_line (); |
| 202 | \f |
| 203 | #if 0 |
| 204 | /* This is a function useful for recording debugging information |
| 205 | about the sequence of occurrences in this file. */ |
| 206 | |
| 207 | struct record |
| 208 | { |
| 209 | char *locus; |
| 210 | int type; |
| 211 | }; |
| 212 | |
| 213 | struct record event_record[100]; |
| 214 | |
| 215 | int event_record_index; |
| 216 | |
| 217 | record_event (locus, type) |
| 218 | char *locus; |
| 219 | int type; |
| 220 | { |
| 221 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) |
| 222 | event_record_index = 0; |
| 223 | |
| 224 | event_record[event_record_index].locus = locus; |
| 225 | event_record[event_record_index].type = type; |
| 226 | event_record_index++; |
| 227 | } |
| 228 | |
| 229 | #endif /* 0 */ |
| 230 | \f |
| 231 | /* Return the struct w32_display_info. */ |
| 232 | |
| 233 | struct w32_display_info * |
| 234 | w32_display_info_for_display () |
| 235 | { |
| 236 | return (&one_w32_display_info); |
| 237 | } |
| 238 | |
| 239 | void |
| 240 | w32_fill_rect (f, _hdc, pix, lprect) |
| 241 | FRAME_PTR f; |
| 242 | HDC _hdc; |
| 243 | COLORREF pix; |
| 244 | RECT * lprect; |
| 245 | { |
| 246 | HDC hdc; |
| 247 | HBRUSH hb; |
| 248 | RECT rect; |
| 249 | |
| 250 | if (_hdc) |
| 251 | hdc = _hdc; |
| 252 | else |
| 253 | { |
| 254 | if (!f) return; |
| 255 | hdc = get_frame_dc (f); |
| 256 | } |
| 257 | |
| 258 | hb = CreateSolidBrush (pix); |
| 259 | FillRect (hdc, lprect, hb); |
| 260 | DeleteObject (hb); |
| 261 | |
| 262 | if (!_hdc) |
| 263 | release_frame_dc (f, hdc); |
| 264 | } |
| 265 | |
| 266 | void |
| 267 | w32_clear_window (f) |
| 268 | FRAME_PTR f; |
| 269 | { |
| 270 | RECT rect; |
| 271 | |
| 272 | GetClientRect (FRAME_W32_WINDOW (f), &rect); |
| 273 | w32_clear_rect (f, NULL, &rect); |
| 274 | } |
| 275 | |
| 276 | \f |
| 277 | /* Starting and ending updates. |
| 278 | |
| 279 | These hooks are called by update_frame at the beginning and end |
| 280 | of a frame update. We record in `updating_frame' the identity |
| 281 | of the frame being updated, so that the w32_... functions do not |
| 282 | need to take a frame as argument. Most of the w32_... functions |
| 283 | should never be called except during an update, the only exceptions |
| 284 | being w32_cursor_to, w32_write_glyphs and w32_reassert_line_highlight. */ |
| 285 | |
| 286 | static |
| 287 | w32_update_begin (f) |
| 288 | struct frame *f; |
| 289 | { |
| 290 | if (f == 0) |
| 291 | abort (); |
| 292 | |
| 293 | flexlines = f->height; |
| 294 | highlight = 0; |
| 295 | |
| 296 | BLOCK_INPUT; |
| 297 | |
| 298 | /* Regenerate display palette before drawing if list of requested |
| 299 | colors has changed. */ |
| 300 | if (FRAME_W32_DISPLAY_INFO (f)->regen_palette) |
| 301 | { |
| 302 | w32_regenerate_palette (f); |
| 303 | FRAME_W32_DISPLAY_INFO (f)->regen_palette = FALSE; |
| 304 | } |
| 305 | |
| 306 | if (f == FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
| 307 | { |
| 308 | /* Don't do highlighting for mouse motion during the update. */ |
| 309 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_defer = 1; |
| 310 | |
| 311 | /* If the frame needs to be redrawn, |
| 312 | simply forget about any prior mouse highlighting. */ |
| 313 | if (FRAME_GARBAGED_P (f)) |
| 314 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_window = Qnil; |
| 315 | |
| 316 | if (!NILP (FRAME_W32_DISPLAY_INFO (f)->mouse_face_window)) |
| 317 | { |
| 318 | int firstline, lastline, i; |
| 319 | struct window *w = XWINDOW (FRAME_W32_DISPLAY_INFO (f)->mouse_face_window); |
| 320 | |
| 321 | /* Find the first, and the last+1, lines affected by redisplay. */ |
| 322 | for (firstline = 0; firstline < f->height; firstline++) |
| 323 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) |
| 324 | break; |
| 325 | |
| 326 | lastline = f->height; |
| 327 | for (i = f->height - 1; i >= 0; i--) |
| 328 | { |
| 329 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) |
| 330 | break; |
| 331 | else |
| 332 | lastline = i; |
| 333 | } |
| 334 | |
| 335 | /* Can we tell that this update does not affect the window |
| 336 | where the mouse highlight is? If so, no need to turn off. |
| 337 | Likewise, don't do anything if the frame is garbaged; |
| 338 | in that case, the FRAME_CURRENT_GLYPHS that we would use |
| 339 | are all wrong, and we will redisplay that line anyway. */ |
| 340 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) |
| 341 | || lastline < XFASTINT (w->top))) |
| 342 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | UNBLOCK_INPUT; |
| 347 | } |
| 348 | |
| 349 | static |
| 350 | w32_update_end (f) |
| 351 | struct frame *f; |
| 352 | { |
| 353 | BLOCK_INPUT; |
| 354 | |
| 355 | do_line_dance (); |
| 356 | x_display_cursor (f, 1); |
| 357 | |
| 358 | if (f == FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
| 359 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_defer = 0; |
| 360 | |
| 361 | UNBLOCK_INPUT; |
| 362 | } |
| 363 | |
| 364 | /* This is called after a redisplay on frame F. */ |
| 365 | |
| 366 | static |
| 367 | w32_frame_up_to_date (f) |
| 368 | FRAME_PTR f; |
| 369 | { |
| 370 | BLOCK_INPUT; |
| 371 | if (FRAME_W32_DISPLAY_INFO (f)->mouse_face_deferred_gc |
| 372 | || f == FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
| 373 | { |
| 374 | note_mouse_highlight (FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame, |
| 375 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_x, |
| 376 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_y); |
| 377 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_deferred_gc = 0; |
| 378 | } |
| 379 | UNBLOCK_INPUT; |
| 380 | } |
| 381 | \f |
| 382 | /* External interface to control of standout mode. |
| 383 | Call this when about to modify line at position VPOS |
| 384 | and not change whether it is highlighted. */ |
| 385 | |
| 386 | w32_reassert_line_highlight (new, vpos) |
| 387 | int new, vpos; |
| 388 | { |
| 389 | highlight = new; |
| 390 | } |
| 391 | |
| 392 | /* Call this when about to modify line at position VPOS |
| 393 | and change whether it is highlighted. */ |
| 394 | |
| 395 | static |
| 396 | w32_change_line_highlight (new_highlight, vpos, first_unused_hpos) |
| 397 | int new_highlight, vpos, first_unused_hpos; |
| 398 | { |
| 399 | highlight = new_highlight; |
| 400 | w32_cursor_to (vpos, 0); |
| 401 | w32_clear_end_of_line (updating_frame->width); |
| 402 | } |
| 403 | |
| 404 | /* This is used when starting Emacs and when restarting after suspend. |
| 405 | When starting Emacs, no window is mapped. And nothing must be done |
| 406 | to Emacs's own window if it is suspended (though that rarely happens). */ |
| 407 | |
| 408 | static |
| 409 | w32_set_terminal_modes () |
| 410 | { |
| 411 | } |
| 412 | |
| 413 | /* This is called when exiting or suspending Emacs. |
| 414 | Exiting will make the W32 windows go away, and suspending |
| 415 | requires no action. */ |
| 416 | |
| 417 | static |
| 418 | w32_reset_terminal_modes () |
| 419 | { |
| 420 | } |
| 421 | \f |
| 422 | /* Set the nominal cursor position of the frame. |
| 423 | This is where display update commands will take effect. |
| 424 | This does not affect the place where the cursor-box is displayed. */ |
| 425 | |
| 426 | static int |
| 427 | w32_cursor_to (row, col) |
| 428 | register int row, col; |
| 429 | { |
| 430 | int orow = row; |
| 431 | |
| 432 | curs_x = col; |
| 433 | curs_y = row; |
| 434 | |
| 435 | if (updating_frame == 0) |
| 436 | { |
| 437 | BLOCK_INPUT; |
| 438 | x_display_cursor (selected_frame, 1); |
| 439 | UNBLOCK_INPUT; |
| 440 | } |
| 441 | } |
| 442 | \f |
| 443 | /* Display a sequence of N glyphs found at GP. |
| 444 | WINDOW is the window to output to. LEFT and TOP are starting coords. |
| 445 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
| 446 | 3 if should appear in its mouse-face. |
| 447 | JUST_FOREGROUND if 1 means draw only the foreground; |
| 448 | don't alter the background. |
| 449 | |
| 450 | FONT is the default font to use (for glyphs whose font-code is 0). |
| 451 | |
| 452 | Since the display generation code is responsible for calling |
| 453 | compute_char_face and compute_glyph_face on everything it puts in |
| 454 | the display structure, we can assume that the face code on each |
| 455 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
| 456 | to which we can actually apply intern_face. |
| 457 | Call this function with input blocked. */ |
| 458 | |
| 459 | static void |
| 460 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
| 461 | struct frame *f; |
| 462 | int left, top; |
| 463 | register GLYPH *gp; /* Points to first GLYPH. */ |
| 464 | register int n; /* Number of glyphs to display. */ |
| 465 | int hl; |
| 466 | int just_foreground; |
| 467 | { |
| 468 | /* Holds characters to be displayed. */ |
| 469 | char *buf = (char *) alloca (f->width * sizeof (*buf)); |
| 470 | register char *cp; /* Steps through buf[]. */ |
| 471 | register int tlen = GLYPH_TABLE_LENGTH; |
| 472 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; |
| 473 | Window window = FRAME_W32_WINDOW (f); |
| 474 | int orig_left = left; |
| 475 | HDC hdc; |
| 476 | |
| 477 | hdc = get_frame_dc (f); |
| 478 | |
| 479 | while (n > 0) |
| 480 | { |
| 481 | /* Get the face-code of the next GLYPH. */ |
| 482 | int cf, len; |
| 483 | int g = *gp; |
| 484 | |
| 485 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
| 486 | cf = FAST_GLYPH_FACE (g); |
| 487 | |
| 488 | /* Find the run of consecutive glyphs with the same face-code. |
| 489 | Extract their character codes into BUF. */ |
| 490 | cp = buf; |
| 491 | while (n > 0) |
| 492 | { |
| 493 | g = *gp; |
| 494 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
| 495 | if (FAST_GLYPH_FACE (g) != cf) |
| 496 | break; |
| 497 | |
| 498 | *cp++ = FAST_GLYPH_CHAR (g); |
| 499 | --n; |
| 500 | ++gp; |
| 501 | } |
| 502 | |
| 503 | /* LEN gets the length of the run. */ |
| 504 | len = cp - buf; |
| 505 | |
| 506 | /* Now output this run of chars, with the font and pixel values |
| 507 | determined by the face code CF. */ |
| 508 | { |
| 509 | struct face *face = FRAME_DEFAULT_FACE (f); |
| 510 | XFontStruct *font = FACE_FONT (face); |
| 511 | int stippled = 0; |
| 512 | COLORREF fg; |
| 513 | COLORREF bg; |
| 514 | |
| 515 | /* HL = 3 means use a mouse face previously chosen. */ |
| 516 | if (hl == 3) |
| 517 | cf = FRAME_W32_DISPLAY_INFO (f)->mouse_face_face_id; |
| 518 | |
| 519 | /* First look at the face of the text itself. */ |
| 520 | if (cf != 0) |
| 521 | { |
| 522 | /* It's possible for the display table to specify |
| 523 | a face code that is out of range. Use 0 in that case. */ |
| 524 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
| 525 | || FRAME_COMPUTED_FACES (f) [cf] == 0) |
| 526 | cf = 0; |
| 527 | |
| 528 | if (cf == 1) |
| 529 | face = FRAME_MODE_LINE_FACE (f); |
| 530 | else |
| 531 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
| 532 | font = FACE_FONT (face); |
| 533 | if (FACE_STIPPLE (face)) |
| 534 | stippled = 1; |
| 535 | } |
| 536 | |
| 537 | /* Then comes the distinction between modeline and normal text. */ |
| 538 | else if (hl == 0) |
| 539 | ; |
| 540 | else if (hl == 1) |
| 541 | { |
| 542 | face = FRAME_MODE_LINE_FACE (f); |
| 543 | font = FACE_FONT (face); |
| 544 | if (FACE_STIPPLE (face)) |
| 545 | stippled = 1; |
| 546 | } |
| 547 | |
| 548 | fg = face->foreground; |
| 549 | bg = face->background; |
| 550 | |
| 551 | /* Now override that if the cursor's on this character. */ |
| 552 | if (hl == 2) |
| 553 | { |
| 554 | /* The cursor overrides stippling. */ |
| 555 | stippled = 0; |
| 556 | |
| 557 | if ((!face->font |
| 558 | || face->font == (XFontStruct *) FACE_DEFAULT |
| 559 | || face->font == f->output_data.w32->font) |
| 560 | && face->background == f->output_data.w32->background_pixel |
| 561 | && face->foreground == f->output_data.w32->foreground_pixel) |
| 562 | { |
| 563 | bg = f->output_data.w32->cursor_pixel; |
| 564 | fg = face->background; |
| 565 | } |
| 566 | /* Cursor on non-default face: must merge. */ |
| 567 | else |
| 568 | { |
| 569 | bg = f->output_data.w32->cursor_pixel; |
| 570 | fg = face->background; |
| 571 | /* If the glyph would be invisible, |
| 572 | try a different foreground. */ |
| 573 | if (fg == bg) |
| 574 | fg = face->foreground; |
| 575 | if (fg == bg) |
| 576 | fg = f->output_data.w32->cursor_foreground_pixel; |
| 577 | if (fg == bg) |
| 578 | fg = face->foreground; |
| 579 | /* Make sure the cursor is distinct from text in this face. */ |
| 580 | if (bg == face->background |
| 581 | && fg == face->foreground) |
| 582 | { |
| 583 | bg = face->foreground; |
| 584 | fg = face->background; |
| 585 | } |
| 586 | } |
| 587 | } |
| 588 | |
| 589 | if (font == (XFontStruct *) FACE_DEFAULT) |
| 590 | font = f->output_data.w32->font; |
| 591 | |
| 592 | SetBkMode (hdc, just_foreground ? TRANSPARENT : OPAQUE); |
| 593 | |
| 594 | SetTextColor (hdc, fg); |
| 595 | SetBkColor (hdc, bg); |
| 596 | |
| 597 | SelectObject (hdc, font->hfont); |
| 598 | |
| 599 | TextOut (hdc, left, top, buf, len); |
| 600 | |
| 601 | if (!just_foreground) |
| 602 | { |
| 603 | /* Clear the rest of the line's height. */ |
| 604 | if (f->output_data.w32->line_height != FONT_HEIGHT (font)) |
| 605 | w32_fill_area (f, hdc, bg, |
| 606 | left, |
| 607 | top + FONT_HEIGHT (font), |
| 608 | FONT_WIDTH (font) * len, |
| 609 | f->output_data.w32->line_height - FONT_HEIGHT (font)); |
| 610 | } |
| 611 | |
| 612 | { |
| 613 | int underline_position = 1; |
| 614 | |
| 615 | if (font->tm.tmDescent <= underline_position) |
| 616 | underline_position = font->tm.tmDescent - 1; |
| 617 | |
| 618 | if (face->underline) |
| 619 | w32_fill_area (f, hdc, fg, |
| 620 | left, (top |
| 621 | + FONT_BASE (font) |
| 622 | + underline_position), |
| 623 | len * FONT_WIDTH (font), 1); |
| 624 | } |
| 625 | |
| 626 | left += len * FONT_WIDTH (font); |
| 627 | } |
| 628 | } |
| 629 | |
| 630 | release_frame_dc (f, hdc); |
| 631 | } |
| 632 | |
| 633 | \f |
| 634 | /* Output some text at the nominal frame cursor position. |
| 635 | Advance the cursor over the text. |
| 636 | Output LEN glyphs at START. |
| 637 | |
| 638 | `highlight', set up by w32_reassert_line_highlight or w32_change_line_highlight, |
| 639 | controls the pixel values used for foreground and background. */ |
| 640 | |
| 641 | static |
| 642 | w32_write_glyphs (start, len) |
| 643 | register GLYPH *start; |
| 644 | int len; |
| 645 | { |
| 646 | register int temp_length; |
| 647 | struct frame *f; |
| 648 | |
| 649 | BLOCK_INPUT; |
| 650 | |
| 651 | do_line_dance (); |
| 652 | f = updating_frame; |
| 653 | if (f == 0) |
| 654 | { |
| 655 | f = selected_frame; |
| 656 | /* If not within an update, |
| 657 | output at the frame's visible cursor. */ |
| 658 | curs_x = f->cursor_x; |
| 659 | curs_y = f->cursor_y; |
| 660 | } |
| 661 | |
| 662 | dumpglyphs (f, |
| 663 | CHAR_TO_PIXEL_COL (f, curs_x), |
| 664 | CHAR_TO_PIXEL_ROW (f, curs_y), |
| 665 | start, len, highlight, 0); |
| 666 | |
| 667 | /* If we drew on top of the cursor, note that it is turned off. */ |
| 668 | if (curs_y == f->phys_cursor_y |
| 669 | && curs_x <= f->phys_cursor_x |
| 670 | && curs_x + len > f->phys_cursor_x) |
| 671 | f->phys_cursor_x = -1; |
| 672 | |
| 673 | if (updating_frame == 0) |
| 674 | { |
| 675 | f->cursor_x += len; |
| 676 | x_display_cursor (f, 1); |
| 677 | f->cursor_x -= len; |
| 678 | } |
| 679 | else |
| 680 | curs_x += len; |
| 681 | |
| 682 | UNBLOCK_INPUT; |
| 683 | } |
| 684 | \f |
| 685 | /* Clear to the end of the line. |
| 686 | Erase the current text line from the nominal cursor position (inclusive) |
| 687 | to column FIRST_UNUSED (exclusive). The idea is that everything |
| 688 | from FIRST_UNUSED onward is already erased. */ |
| 689 | |
| 690 | static |
| 691 | w32_clear_end_of_line (first_unused) |
| 692 | register int first_unused; |
| 693 | { |
| 694 | struct frame *f = updating_frame; |
| 695 | |
| 696 | if (f == 0) |
| 697 | abort (); |
| 698 | |
| 699 | if (curs_y < 0 || curs_y >= f->height) |
| 700 | return 1; |
| 701 | if (first_unused <= 0) |
| 702 | return 1; |
| 703 | |
| 704 | if (first_unused >= f->width) |
| 705 | first_unused = f->width; |
| 706 | |
| 707 | first_unused += FRAME_LEFT_SCROLL_BAR_WIDTH (f); |
| 708 | |
| 709 | BLOCK_INPUT; |
| 710 | |
| 711 | do_line_dance (); |
| 712 | |
| 713 | /* Notice if the cursor will be cleared by this operation. */ |
| 714 | if (curs_y == f->phys_cursor_y |
| 715 | && curs_x <= f->phys_cursor_x |
| 716 | && f->phys_cursor_x < first_unused) |
| 717 | f->phys_cursor_x = -1; |
| 718 | |
| 719 | w32_clear_area (f, NULL, |
| 720 | CHAR_TO_PIXEL_COL (f, curs_x), |
| 721 | CHAR_TO_PIXEL_ROW (f, curs_y), |
| 722 | FONT_WIDTH (f->output_data.w32->font) * (first_unused - curs_x), |
| 723 | f->output_data.w32->line_height); |
| 724 | |
| 725 | UNBLOCK_INPUT; |
| 726 | } |
| 727 | |
| 728 | static |
| 729 | w32_clear_frame () |
| 730 | { |
| 731 | struct frame *f = updating_frame; |
| 732 | |
| 733 | if (f == 0) |
| 734 | f = selected_frame; |
| 735 | |
| 736 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
| 737 | curs_x = 0; /* Nominal cursor position is top left. */ |
| 738 | curs_y = 0; |
| 739 | |
| 740 | BLOCK_INPUT; |
| 741 | |
| 742 | w32_clear_window (f); |
| 743 | |
| 744 | /* We have to clear the scroll bars, too. If we have changed |
| 745 | colors or something like that, then they should be notified. */ |
| 746 | x_scroll_bar_clear (f); |
| 747 | |
| 748 | UNBLOCK_INPUT; |
| 749 | } |
| 750 | \f |
| 751 | /* Make audible bell. */ |
| 752 | |
| 753 | w32_ring_bell () |
| 754 | { |
| 755 | BLOCK_INPUT; |
| 756 | |
| 757 | if (visible_bell) |
| 758 | FlashWindow (FRAME_W32_WINDOW (selected_frame), FALSE); |
| 759 | else |
| 760 | w32_sys_ring_bell (); |
| 761 | |
| 762 | UNBLOCK_INPUT; |
| 763 | |
| 764 | return 1; |
| 765 | } |
| 766 | \f |
| 767 | /* Insert and delete character. |
| 768 | These are not supposed to be used because we are supposed to turn |
| 769 | off the feature of using them. */ |
| 770 | |
| 771 | static |
| 772 | w32_insert_glyphs (start, len) |
| 773 | register char *start; |
| 774 | register int len; |
| 775 | { |
| 776 | abort (); |
| 777 | } |
| 778 | |
| 779 | static |
| 780 | w32_delete_glyphs (n) |
| 781 | register int n; |
| 782 | { |
| 783 | abort (); |
| 784 | } |
| 785 | \f |
| 786 | /* Specify how many text lines, from the top of the window, |
| 787 | should be affected by insert-lines and delete-lines operations. |
| 788 | This, and those operations, are used only within an update |
| 789 | that is bounded by calls to w32_update_begin and w32_update_end. */ |
| 790 | |
| 791 | static |
| 792 | w32_set_terminal_window (n) |
| 793 | register int n; |
| 794 | { |
| 795 | if (updating_frame == 0) |
| 796 | abort (); |
| 797 | |
| 798 | if ((n <= 0) || (n > updating_frame->height)) |
| 799 | flexlines = updating_frame->height; |
| 800 | else |
| 801 | flexlines = n; |
| 802 | } |
| 803 | \f |
| 804 | /* These variables need not be per frame |
| 805 | because redisplay is done on a frame-by-frame basis |
| 806 | and the line dance for one frame is finished before |
| 807 | anything is done for another frame. */ |
| 808 | |
| 809 | /* Array of line numbers from cached insert/delete operations. |
| 810 | line_dance[i] is the old position of the line that we want |
| 811 | to move to line i, or -1 if we want a blank line there. */ |
| 812 | static int *line_dance; |
| 813 | |
| 814 | /* Allocated length of that array. */ |
| 815 | static int line_dance_len; |
| 816 | |
| 817 | /* Flag indicating whether we've done any work. */ |
| 818 | static int line_dance_in_progress; |
| 819 | |
| 820 | /* Perform an insert-lines or delete-lines operation, |
| 821 | inserting N lines or deleting -N lines at vertical position VPOS. */ |
| 822 | w32_ins_del_lines (vpos, n) |
| 823 | int vpos, n; |
| 824 | { |
| 825 | register int fence, i; |
| 826 | |
| 827 | if (vpos >= flexlines) |
| 828 | return 1; |
| 829 | |
| 830 | if (!line_dance_in_progress) |
| 831 | { |
| 832 | int ht = updating_frame->height; |
| 833 | if (ht > line_dance_len) |
| 834 | { |
| 835 | line_dance = (int *)xrealloc (line_dance, ht * sizeof (int)); |
| 836 | line_dance_len = ht; |
| 837 | } |
| 838 | for (i = 0; i < ht; ++i) line_dance[i] = i; |
| 839 | line_dance_in_progress = 1; |
| 840 | } |
| 841 | if (n >= 0) |
| 842 | { |
| 843 | if (n > flexlines - vpos) |
| 844 | n = flexlines - vpos; |
| 845 | fence = vpos + n; |
| 846 | for (i = flexlines; --i >= fence;) |
| 847 | line_dance[i] = line_dance[i-n]; |
| 848 | for (i = fence; --i >= vpos;) |
| 849 | line_dance[i] = -1; |
| 850 | } |
| 851 | else |
| 852 | { |
| 853 | n = -n; |
| 854 | if (n > flexlines - vpos) |
| 855 | n = flexlines - vpos; |
| 856 | fence = flexlines - n; |
| 857 | for (i = vpos; i < fence; ++i) |
| 858 | line_dance[i] = line_dance[i + n]; |
| 859 | for (i = fence; i < flexlines; ++i) |
| 860 | line_dance[i] = -1; |
| 861 | } |
| 862 | } |
| 863 | |
| 864 | /* Here's where we actually move the pixels around. |
| 865 | Must be called with input blocked. */ |
| 866 | static void |
| 867 | do_line_dance () |
| 868 | { |
| 869 | register int i, j, distance; |
| 870 | register struct frame *f; |
| 871 | int ht; |
| 872 | int intborder; |
| 873 | HDC hdc; |
| 874 | |
| 875 | /* Must check this flag first. If it's not set, then not only is the |
| 876 | array uninitialized, but we might not even have a frame. */ |
| 877 | if (!line_dance_in_progress) |
| 878 | return; |
| 879 | |
| 880 | f = updating_frame; |
| 881 | if (f == 0) |
| 882 | abort (); |
| 883 | |
| 884 | ht = f->height; |
| 885 | intborder = f->output_data.w32->internal_border_width; |
| 886 | |
| 887 | x_display_cursor (updating_frame, 0); |
| 888 | |
| 889 | hdc = get_frame_dc (f); |
| 890 | |
| 891 | for (i = 0; i < ht; ++i) |
| 892 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) > 0) |
| 893 | { |
| 894 | for (j = i; (j < ht && line_dance[j] != -1 |
| 895 | && line_dance[j]-j == distance); ++j); |
| 896 | /* Copy [i,j) upward from [i+distance, j+distance) */ |
| 897 | BitBlt (hdc, |
| 898 | intborder, CHAR_TO_PIXEL_ROW (f, i+distance), |
| 899 | f->width * FONT_WIDTH (f->output_data.w32->font), |
| 900 | (j-i) * f->output_data.w32->line_height, |
| 901 | hdc, |
| 902 | intborder, CHAR_TO_PIXEL_ROW (f, i), |
| 903 | SRCCOPY); |
| 904 | i = j-1; |
| 905 | } |
| 906 | |
| 907 | for (i = ht; --i >=0; ) |
| 908 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) < 0) |
| 909 | { |
| 910 | for (j = i; (--j >= 0 && line_dance[j] != -1 |
| 911 | && line_dance[j]-j == distance);); |
| 912 | /* Copy (j, i] downward from (j+distance, i+distance] */ |
| 913 | BitBlt (hdc, |
| 914 | intborder, CHAR_TO_PIXEL_ROW (f, j+1+distance), |
| 915 | f->width * FONT_WIDTH (f->output_data.w32->font), |
| 916 | (i-j) * f->output_data.w32->line_height, |
| 917 | hdc, |
| 918 | intborder, CHAR_TO_PIXEL_ROW (f, j+1), |
| 919 | SRCCOPY); |
| 920 | i = j+1; |
| 921 | } |
| 922 | |
| 923 | for (i = 0; i < ht; ++i) |
| 924 | if (line_dance[i] == -1) |
| 925 | { |
| 926 | for (j = i; j < ht && line_dance[j] == -1; ++j); |
| 927 | /* Clear [i,j) */ |
| 928 | w32_clear_area (f, hdc, |
| 929 | intborder, |
| 930 | CHAR_TO_PIXEL_ROW (f, i), |
| 931 | f->width * FONT_WIDTH (f->output_data.w32->font), |
| 932 | (j-i) * f->output_data.w32->line_height); |
| 933 | i = j-1; |
| 934 | } |
| 935 | line_dance_in_progress = 0; |
| 936 | |
| 937 | release_frame_dc (f, hdc); |
| 938 | } |
| 939 | \f |
| 940 | /* Support routines for exposure events. */ |
| 941 | static void clear_cursor (); |
| 942 | |
| 943 | /* Output into a rectangle of a window (for frame F) |
| 944 | the characters in f->phys_lines that overlap that rectangle. |
| 945 | TOP and LEFT are the position of the upper left corner of the rectangle. |
| 946 | ROWS and COLS are the size of the rectangle. |
| 947 | Call this function with input blocked. */ |
| 948 | |
| 949 | void |
| 950 | dumprectangle (f, left, top, cols, rows) |
| 951 | struct frame *f; |
| 952 | register int left, top, cols, rows; |
| 953 | { |
| 954 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
| 955 | int cursor_cleared = 0; |
| 956 | int bottom, right; |
| 957 | register int y; |
| 958 | |
| 959 | if (FRAME_GARBAGED_P (f)) |
| 960 | return; |
| 961 | |
| 962 | /* Express rectangle as four edges, instead of position-and-size. */ |
| 963 | bottom = top + rows; |
| 964 | right = left + cols; |
| 965 | |
| 966 | /* Convert rectangle edges in pixels to edges in chars. |
| 967 | Round down for left and top, up for right and bottom. */ |
| 968 | top = PIXEL_TO_CHAR_ROW (f, top); |
| 969 | left = PIXEL_TO_CHAR_COL (f, left); |
| 970 | bottom += (f->output_data.w32->line_height - 1); |
| 971 | right += (FONT_WIDTH (f->output_data.w32->font) - 1); |
| 972 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
| 973 | right = PIXEL_TO_CHAR_COL (f, right); |
| 974 | |
| 975 | /* Clip the rectangle to what can be visible. */ |
| 976 | if (left < 0) |
| 977 | left = 0; |
| 978 | if (top < 0) |
| 979 | top = 0; |
| 980 | if (right > f->width) |
| 981 | right = f->width; |
| 982 | if (bottom > f->height) |
| 983 | bottom = f->height; |
| 984 | |
| 985 | /* Get size in chars of the rectangle. */ |
| 986 | cols = right - left; |
| 987 | rows = bottom - top; |
| 988 | |
| 989 | /* If rectangle has zero area, return. */ |
| 990 | if (rows <= 0) return; |
| 991 | if (cols <= 0) return; |
| 992 | |
| 993 | /* Turn off the cursor if it is in the rectangle. |
| 994 | We will turn it back on afterward. */ |
| 995 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
| 996 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) |
| 997 | { |
| 998 | clear_cursor (f); |
| 999 | cursor_cleared = 1; |
| 1000 | } |
| 1001 | |
| 1002 | /* Display the text in the rectangle, one text line at a time. */ |
| 1003 | |
| 1004 | for (y = top; y < bottom; y++) |
| 1005 | { |
| 1006 | GLYPH *line = &active_frame->glyphs[y][left]; |
| 1007 | |
| 1008 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
| 1009 | continue; |
| 1010 | |
| 1011 | dumpglyphs (f, |
| 1012 | CHAR_TO_PIXEL_COL (f, left), |
| 1013 | CHAR_TO_PIXEL_ROW (f, y), |
| 1014 | line, min (cols, active_frame->used[y] - left), |
| 1015 | active_frame->highlight[y], 0); |
| 1016 | } |
| 1017 | |
| 1018 | /* Turn the cursor on if we turned it off. */ |
| 1019 | |
| 1020 | if (cursor_cleared) |
| 1021 | x_display_cursor (f, 1); |
| 1022 | } |
| 1023 | \f |
| 1024 | static void |
| 1025 | frame_highlight (f) |
| 1026 | struct frame *f; |
| 1027 | { |
| 1028 | x_display_cursor (f, 1); |
| 1029 | } |
| 1030 | |
| 1031 | static void |
| 1032 | frame_unhighlight (f) |
| 1033 | struct frame *f; |
| 1034 | { |
| 1035 | x_display_cursor (f, 1); |
| 1036 | } |
| 1037 | |
| 1038 | static void w32_frame_rehighlight (); |
| 1039 | static void x_frame_rehighlight (); |
| 1040 | |
| 1041 | /* The focus has changed. Update the frames as necessary to reflect |
| 1042 | the new situation. Note that we can't change the selected frame |
| 1043 | here, because the Lisp code we are interrupting might become confused. |
| 1044 | Each event gets marked with the frame in which it occurred, so the |
| 1045 | Lisp code can tell when the switch took place by examining the events. */ |
| 1046 | |
| 1047 | void |
| 1048 | x_new_focus_frame (dpyinfo, frame) |
| 1049 | struct w32_display_info *dpyinfo; |
| 1050 | struct frame *frame; |
| 1051 | { |
| 1052 | struct frame *old_focus = dpyinfo->w32_focus_frame; |
| 1053 | int events_enqueued = 0; |
| 1054 | |
| 1055 | if (frame != dpyinfo->w32_focus_frame) |
| 1056 | { |
| 1057 | /* Set this before calling other routines, so that they see |
| 1058 | the correct value of w32_focus_frame. */ |
| 1059 | dpyinfo->w32_focus_frame = frame; |
| 1060 | |
| 1061 | if (old_focus && old_focus->auto_lower) |
| 1062 | x_lower_frame (old_focus); |
| 1063 | |
| 1064 | if (dpyinfo->w32_focus_frame && dpyinfo->w32_focus_frame->auto_raise) |
| 1065 | pending_autoraise_frame = dpyinfo->w32_focus_frame; |
| 1066 | else |
| 1067 | pending_autoraise_frame = 0; |
| 1068 | } |
| 1069 | |
| 1070 | x_frame_rehighlight (dpyinfo); |
| 1071 | } |
| 1072 | |
| 1073 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ |
| 1074 | |
| 1075 | void |
| 1076 | x_mouse_leave (dpyinfo) |
| 1077 | struct w32_display_info *dpyinfo; |
| 1078 | { |
| 1079 | x_new_focus_frame (dpyinfo, dpyinfo->w32_focus_event_frame); |
| 1080 | } |
| 1081 | |
| 1082 | /* The focus has changed, or we have redirected a frame's focus to |
| 1083 | another frame (this happens when a frame uses a surrogate |
| 1084 | minibuffer frame). Shift the highlight as appropriate. |
| 1085 | |
| 1086 | The FRAME argument doesn't necessarily have anything to do with which |
| 1087 | frame is being highlighted or unhighlighted; we only use it to find |
| 1088 | the appropriate display info. */ |
| 1089 | static void |
| 1090 | w32_frame_rehighlight (frame) |
| 1091 | struct frame *frame; |
| 1092 | { |
| 1093 | x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame)); |
| 1094 | } |
| 1095 | |
| 1096 | static void |
| 1097 | x_frame_rehighlight (dpyinfo) |
| 1098 | struct w32_display_info *dpyinfo; |
| 1099 | { |
| 1100 | struct frame *old_highlight = dpyinfo->w32_highlight_frame; |
| 1101 | |
| 1102 | if (dpyinfo->w32_focus_frame) |
| 1103 | { |
| 1104 | dpyinfo->w32_highlight_frame |
| 1105 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame))) |
| 1106 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame)) |
| 1107 | : dpyinfo->w32_focus_frame); |
| 1108 | if (! FRAME_LIVE_P (dpyinfo->w32_highlight_frame)) |
| 1109 | { |
| 1110 | FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame) = Qnil; |
| 1111 | dpyinfo->w32_highlight_frame = dpyinfo->w32_focus_frame; |
| 1112 | } |
| 1113 | } |
| 1114 | else |
| 1115 | dpyinfo->w32_highlight_frame = 0; |
| 1116 | |
| 1117 | if (dpyinfo->w32_highlight_frame != old_highlight) |
| 1118 | { |
| 1119 | if (old_highlight) |
| 1120 | frame_unhighlight (old_highlight); |
| 1121 | if (dpyinfo->w32_highlight_frame) |
| 1122 | frame_highlight (dpyinfo->w32_highlight_frame); |
| 1123 | } |
| 1124 | } |
| 1125 | \f |
| 1126 | /* Keyboard processing - modifier keys, etc. */ |
| 1127 | |
| 1128 | /* Convert a keysym to its name. */ |
| 1129 | |
| 1130 | char * |
| 1131 | x_get_keysym_name (keysym) |
| 1132 | int keysym; |
| 1133 | { |
| 1134 | /* Make static so we can always return it */ |
| 1135 | static char value[100]; |
| 1136 | |
| 1137 | BLOCK_INPUT; |
| 1138 | GetKeyNameText(keysym, value, 100); |
| 1139 | UNBLOCK_INPUT; |
| 1140 | |
| 1141 | return value; |
| 1142 | } |
| 1143 | \f |
| 1144 | /* Mouse clicks and mouse movement. Rah. */ |
| 1145 | |
| 1146 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return |
| 1147 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle |
| 1148 | that the glyph at X, Y occupies, if BOUNDS != 0. |
| 1149 | If NOCLIP is nonzero, do not force the value into range. */ |
| 1150 | |
| 1151 | void |
| 1152 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
| 1153 | FRAME_PTR f; |
| 1154 | register int pix_x, pix_y; |
| 1155 | register int *x, *y; |
| 1156 | RECT *bounds; |
| 1157 | int noclip; |
| 1158 | { |
| 1159 | /* Support tty mode: if Vwindow_system is nil, behave correctly. */ |
| 1160 | if (NILP (Vwindow_system)) |
| 1161 | { |
| 1162 | *x = pix_x; |
| 1163 | *y = pix_y; |
| 1164 | return; |
| 1165 | } |
| 1166 | |
| 1167 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
| 1168 | even for negative values. */ |
| 1169 | if (pix_x < 0) |
| 1170 | pix_x -= FONT_WIDTH ((f)->output_data.w32->font) - 1; |
| 1171 | if (pix_y < 0) |
| 1172 | pix_y -= (f)->output_data.w32->line_height - 1; |
| 1173 | |
| 1174 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
| 1175 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); |
| 1176 | |
| 1177 | if (bounds) |
| 1178 | { |
| 1179 | bounds->left = CHAR_TO_PIXEL_COL (f, pix_x); |
| 1180 | bounds->top = CHAR_TO_PIXEL_ROW (f, pix_y); |
| 1181 | bounds->right = bounds->left + FONT_WIDTH (f->output_data.w32->font) - 1; |
| 1182 | bounds->bottom = bounds->top + f->output_data.w32->line_height - 1; |
| 1183 | } |
| 1184 | |
| 1185 | if (!noclip) |
| 1186 | { |
| 1187 | if (pix_x < 0) |
| 1188 | pix_x = 0; |
| 1189 | else if (pix_x > f->width) |
| 1190 | pix_x = f->width; |
| 1191 | |
| 1192 | if (pix_y < 0) |
| 1193 | pix_y = 0; |
| 1194 | else if (pix_y > f->height) |
| 1195 | pix_y = f->height; |
| 1196 | } |
| 1197 | |
| 1198 | *x = pix_x; |
| 1199 | *y = pix_y; |
| 1200 | } |
| 1201 | |
| 1202 | void |
| 1203 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) |
| 1204 | FRAME_PTR f; |
| 1205 | register int x, y; |
| 1206 | register int *pix_x, *pix_y; |
| 1207 | { |
| 1208 | /* Support tty mode: if Vwindow_system is nil, behave correctly. */ |
| 1209 | if (NILP (Vwindow_system)) |
| 1210 | { |
| 1211 | *pix_x = x; |
| 1212 | *pix_y = y; |
| 1213 | return; |
| 1214 | } |
| 1215 | |
| 1216 | *pix_x = CHAR_TO_PIXEL_COL (f, x); |
| 1217 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); |
| 1218 | } |
| 1219 | |
| 1220 | BOOL |
| 1221 | parse_button (message, pbutton, pup) |
| 1222 | int message; |
| 1223 | int * pbutton; |
| 1224 | int * pup; |
| 1225 | { |
| 1226 | int button = 0; |
| 1227 | int up = 0; |
| 1228 | |
| 1229 | switch (message) |
| 1230 | { |
| 1231 | case WM_LBUTTONDOWN: |
| 1232 | button = 0; |
| 1233 | up = 0; |
| 1234 | break; |
| 1235 | case WM_LBUTTONUP: |
| 1236 | button = 0; |
| 1237 | up = 1; |
| 1238 | break; |
| 1239 | case WM_MBUTTONDOWN: |
| 1240 | if (NILP (Vw32_swap_mouse_buttons)) |
| 1241 | button = 1; |
| 1242 | else |
| 1243 | button = 2; |
| 1244 | up = 0; |
| 1245 | break; |
| 1246 | case WM_MBUTTONUP: |
| 1247 | if (NILP (Vw32_swap_mouse_buttons)) |
| 1248 | button = 1; |
| 1249 | else |
| 1250 | button = 2; |
| 1251 | up = 1; |
| 1252 | break; |
| 1253 | case WM_RBUTTONDOWN: |
| 1254 | if (NILP (Vw32_swap_mouse_buttons)) |
| 1255 | button = 2; |
| 1256 | else |
| 1257 | button = 1; |
| 1258 | up = 0; |
| 1259 | break; |
| 1260 | case WM_RBUTTONUP: |
| 1261 | if (NILP (Vw32_swap_mouse_buttons)) |
| 1262 | button = 2; |
| 1263 | else |
| 1264 | button = 1; |
| 1265 | up = 1; |
| 1266 | break; |
| 1267 | default: |
| 1268 | return (FALSE); |
| 1269 | } |
| 1270 | |
| 1271 | if (pup) *pup = up; |
| 1272 | if (pbutton) *pbutton = button; |
| 1273 | |
| 1274 | return (TRUE); |
| 1275 | } |
| 1276 | |
| 1277 | |
| 1278 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
| 1279 | |
| 1280 | If the event is a button press, then note that we have grabbed |
| 1281 | the mouse. */ |
| 1282 | |
| 1283 | static void |
| 1284 | construct_mouse_click (result, msg, f) |
| 1285 | struct input_event *result; |
| 1286 | W32Msg *msg; |
| 1287 | struct frame *f; |
| 1288 | { |
| 1289 | int button; |
| 1290 | int up; |
| 1291 | |
| 1292 | parse_button (msg->msg.message, &button, &up); |
| 1293 | |
| 1294 | /* Make the event type no_event; we'll change that when we decide |
| 1295 | otherwise. */ |
| 1296 | result->kind = mouse_click; |
| 1297 | result->code = button; |
| 1298 | result->timestamp = msg->msg.time; |
| 1299 | result->modifiers = (msg->dwModifiers |
| 1300 | | (up |
| 1301 | ? up_modifier |
| 1302 | : down_modifier)); |
| 1303 | |
| 1304 | { |
| 1305 | int row, column; |
| 1306 | |
| 1307 | XSETINT (result->x, LOWORD (msg->msg.lParam)); |
| 1308 | XSETINT (result->y, HIWORD (msg->msg.lParam)); |
| 1309 | XSETFRAME (result->frame_or_window, f); |
| 1310 | } |
| 1311 | } |
| 1312 | |
| 1313 | static void |
| 1314 | construct_mouse_wheel (result, msg, f) |
| 1315 | struct input_event *result; |
| 1316 | W32Msg *msg; |
| 1317 | struct frame *f; |
| 1318 | { |
| 1319 | POINT p; |
| 1320 | result->kind = mouse_wheel; |
| 1321 | result->code = (short) HIWORD (msg->msg.wParam); |
| 1322 | result->timestamp = msg->msg.time; |
| 1323 | result->modifiers = msg->dwModifiers; |
| 1324 | p.x = LOWORD (msg->msg.lParam); |
| 1325 | p.y = HIWORD (msg->msg.lParam); |
| 1326 | ScreenToClient(msg->msg.hwnd, &p); |
| 1327 | XSETINT (result->x, p.x); |
| 1328 | XSETINT (result->y, p.y); |
| 1329 | XSETFRAME (result->frame_or_window, f); |
| 1330 | } |
| 1331 | |
| 1332 | \f |
| 1333 | /* Function to report a mouse movement to the mainstream Emacs code. |
| 1334 | The input handler calls this. |
| 1335 | |
| 1336 | We have received a mouse movement event, which is given in *event. |
| 1337 | If the mouse is over a different glyph than it was last time, tell |
| 1338 | the mainstream emacs code by setting mouse_moved. If not, ask for |
| 1339 | another motion event, so we can check again the next time it moves. */ |
| 1340 | |
| 1341 | static void |
| 1342 | note_mouse_movement (frame, msg) |
| 1343 | FRAME_PTR frame; |
| 1344 | MSG *msg; |
| 1345 | { |
| 1346 | last_mouse_movement_time = msg->time; |
| 1347 | |
| 1348 | if (msg->hwnd != FRAME_W32_WINDOW (frame)) |
| 1349 | { |
| 1350 | frame->mouse_moved = 1; |
| 1351 | last_mouse_scroll_bar = Qnil; |
| 1352 | |
| 1353 | note_mouse_highlight (frame, -1, -1); |
| 1354 | } |
| 1355 | |
| 1356 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
| 1357 | else if (LOWORD (msg->lParam) < last_mouse_glyph.left |
| 1358 | || LOWORD (msg->lParam) > last_mouse_glyph.right |
| 1359 | || HIWORD (msg->lParam) < last_mouse_glyph.top |
| 1360 | || HIWORD (msg->lParam) > last_mouse_glyph.bottom) |
| 1361 | { |
| 1362 | frame->mouse_moved = 1; |
| 1363 | last_mouse_scroll_bar = Qnil; |
| 1364 | |
| 1365 | note_mouse_highlight (frame, LOWORD (msg->lParam), HIWORD (msg->lParam)); |
| 1366 | } |
| 1367 | } |
| 1368 | |
| 1369 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
| 1370 | static int disable_mouse_highlight; |
| 1371 | |
| 1372 | /* Take proper action when the mouse has moved to position X, Y on frame F |
| 1373 | as regards highlighting characters that have mouse-face properties. |
| 1374 | Also dehighlighting chars where the mouse was before. |
| 1375 | X and Y can be negative or out of range. */ |
| 1376 | |
| 1377 | static void |
| 1378 | note_mouse_highlight (f, x, y) |
| 1379 | FRAME_PTR f; |
| 1380 | int x, y; |
| 1381 | { |
| 1382 | int row, column, portion; |
| 1383 | RECT new_glyph; |
| 1384 | Lisp_Object window; |
| 1385 | struct window *w; |
| 1386 | |
| 1387 | if (disable_mouse_highlight) |
| 1388 | return; |
| 1389 | |
| 1390 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_x = x; |
| 1391 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_y = y; |
| 1392 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame = f; |
| 1393 | |
| 1394 | if (FRAME_W32_DISPLAY_INFO (f)->mouse_face_defer) |
| 1395 | return; |
| 1396 | |
| 1397 | if (gc_in_progress) |
| 1398 | { |
| 1399 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_deferred_gc = 1; |
| 1400 | return; |
| 1401 | } |
| 1402 | |
| 1403 | /* Find out which glyph the mouse is on. */ |
| 1404 | pixel_to_glyph_coords (f, x, y, &column, &row, |
| 1405 | &new_glyph, FRAME_W32_DISPLAY_INFO (f)->grabbed); |
| 1406 | |
| 1407 | /* Which window is that in? */ |
| 1408 | window = window_from_coordinates (f, column, row, &portion); |
| 1409 | w = XWINDOW (window); |
| 1410 | |
| 1411 | /* If we were displaying active text in another window, clear that. */ |
| 1412 | if (! EQ (window, FRAME_W32_DISPLAY_INFO (f)->mouse_face_window)) |
| 1413 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); |
| 1414 | |
| 1415 | /* Are we in a window whose display is up to date? |
| 1416 | And verify the buffer's text has not changed. */ |
| 1417 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 |
| 1418 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) |
| 1419 | && EQ (w->window_end_valid, w->buffer) |
| 1420 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer)) |
| 1421 | && w->last_overlay_modified == BUF_OVERLAY_MODIFF (XBUFFER (w->buffer))) |
| 1422 | { |
| 1423 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; |
| 1424 | int i, pos; |
| 1425 | |
| 1426 | /* Find which buffer position the mouse corresponds to. */ |
| 1427 | for (i = column; i >= 0; i--) |
| 1428 | if (ptr[i] > 0) |
| 1429 | break; |
| 1430 | pos = ptr[i]; |
| 1431 | /* Is it outside the displayed active region (if any)? */ |
| 1432 | if (pos <= 0) |
| 1433 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); |
| 1434 | else if (! (EQ (window, FRAME_W32_DISPLAY_INFO (f)->mouse_face_window) |
| 1435 | && row >= FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row |
| 1436 | && row <= FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row |
| 1437 | && (row > FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row |
| 1438 | || column >= FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_col) |
| 1439 | && (row < FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row |
| 1440 | || column < FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_col |
| 1441 | || FRAME_W32_DISPLAY_INFO (f)->mouse_face_past_end))) |
| 1442 | { |
| 1443 | Lisp_Object mouse_face, overlay, position; |
| 1444 | Lisp_Object *overlay_vec; |
| 1445 | int len, noverlays, ignor1; |
| 1446 | struct buffer *obuf; |
| 1447 | int obegv, ozv; |
| 1448 | |
| 1449 | /* If we get an out-of-range value, return now; avoid an error. */ |
| 1450 | if (pos > BUF_Z (XBUFFER (w->buffer))) |
| 1451 | return; |
| 1452 | |
| 1453 | /* Make the window's buffer temporarily current for |
| 1454 | overlays_at and compute_char_face. */ |
| 1455 | obuf = current_buffer; |
| 1456 | current_buffer = XBUFFER (w->buffer); |
| 1457 | obegv = BEGV; |
| 1458 | ozv = ZV; |
| 1459 | BEGV = BEG; |
| 1460 | ZV = Z; |
| 1461 | |
| 1462 | /* Yes. Clear the display of the old active region, if any. */ |
| 1463 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); |
| 1464 | |
| 1465 | /* Is this char mouse-active? */ |
| 1466 | XSETINT (position, pos); |
| 1467 | |
| 1468 | len = 10; |
| 1469 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); |
| 1470 | |
| 1471 | /* Put all the overlays we want in a vector in overlay_vec. |
| 1472 | Store the length in len. */ |
| 1473 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, |
| 1474 | NULL, NULL); |
| 1475 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
| 1476 | |
| 1477 | /* Find the highest priority overlay that has a mouse-face prop. */ |
| 1478 | overlay = Qnil; |
| 1479 | for (i = 0; i < noverlays; i++) |
| 1480 | { |
| 1481 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); |
| 1482 | if (!NILP (mouse_face)) |
| 1483 | { |
| 1484 | overlay = overlay_vec[i]; |
| 1485 | break; |
| 1486 | } |
| 1487 | } |
| 1488 | free (overlay_vec); |
| 1489 | /* If no overlay applies, get a text property. */ |
| 1490 | if (NILP (overlay)) |
| 1491 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); |
| 1492 | |
| 1493 | /* Handle the overlay case. */ |
| 1494 | if (! NILP (overlay)) |
| 1495 | { |
| 1496 | /* Find the range of text around this char that |
| 1497 | should be active. */ |
| 1498 | Lisp_Object before, after; |
| 1499 | int ignore; |
| 1500 | |
| 1501 | before = Foverlay_start (overlay); |
| 1502 | after = Foverlay_end (overlay); |
| 1503 | /* Record this as the current active region. */ |
| 1504 | fast_find_position (window, before, |
| 1505 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_col, |
| 1506 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row); |
| 1507 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_past_end |
| 1508 | = !fast_find_position (window, after, |
| 1509 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_col, |
| 1510 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row); |
| 1511 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_window = window; |
| 1512 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_face_id |
| 1513 | = compute_char_face (f, w, pos, 0, 0, |
| 1514 | &ignore, pos + 1, 1); |
| 1515 | |
| 1516 | /* Display it as active. */ |
| 1517 | show_mouse_face (FRAME_W32_DISPLAY_INFO (f), 1); |
| 1518 | } |
| 1519 | /* Handle the text property case. */ |
| 1520 | else if (! NILP (mouse_face)) |
| 1521 | { |
| 1522 | /* Find the range of text around this char that |
| 1523 | should be active. */ |
| 1524 | Lisp_Object before, after, beginning, end; |
| 1525 | int ignore; |
| 1526 | |
| 1527 | beginning = Fmarker_position (w->start); |
| 1528 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) |
| 1529 | - XFASTINT (w->window_end_pos))); |
| 1530 | before |
| 1531 | = Fprevious_single_property_change (make_number (pos + 1), |
| 1532 | Qmouse_face, |
| 1533 | w->buffer, beginning); |
| 1534 | after |
| 1535 | = Fnext_single_property_change (position, Qmouse_face, |
| 1536 | w->buffer, end); |
| 1537 | /* Record this as the current active region. */ |
| 1538 | fast_find_position (window, before, |
| 1539 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_col, |
| 1540 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row); |
| 1541 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_past_end |
| 1542 | = !fast_find_position (window, after, |
| 1543 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_col, |
| 1544 | &FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row); |
| 1545 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_window = window; |
| 1546 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_face_id |
| 1547 | = compute_char_face (f, w, pos, 0, 0, |
| 1548 | &ignore, pos + 1, 1); |
| 1549 | |
| 1550 | /* Display it as active. */ |
| 1551 | show_mouse_face (FRAME_W32_DISPLAY_INFO (f), 1); |
| 1552 | } |
| 1553 | BEGV = obegv; |
| 1554 | ZV = ozv; |
| 1555 | current_buffer = obuf; |
| 1556 | } |
| 1557 | } |
| 1558 | } |
| 1559 | \f |
| 1560 | /* Find the row and column of position POS in window WINDOW. |
| 1561 | Store them in *COLUMNP and *ROWP. |
| 1562 | This assumes display in WINDOW is up to date. |
| 1563 | If POS is above start of WINDOW, return coords |
| 1564 | of start of first screen line. |
| 1565 | If POS is after end of WINDOW, return coords of end of last screen line. |
| 1566 | |
| 1567 | Value is 1 if POS is in range, 0 if it was off screen. */ |
| 1568 | |
| 1569 | static int |
| 1570 | fast_find_position (window, pos, columnp, rowp) |
| 1571 | Lisp_Object window; |
| 1572 | int pos; |
| 1573 | int *columnp, *rowp; |
| 1574 | { |
| 1575 | struct window *w = XWINDOW (window); |
| 1576 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); |
| 1577 | int i; |
| 1578 | int row = 0; |
| 1579 | int left = WINDOW_LEFT_MARGIN (w); |
| 1580 | int top = w->top; |
| 1581 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); |
| 1582 | int width = window_internal_width (w); |
| 1583 | int *charstarts; |
| 1584 | int lastcol; |
| 1585 | int maybe_next_line = 0; |
| 1586 | |
| 1587 | /* Find the right row. */ |
| 1588 | for (i = 0; |
| 1589 | i < height; |
| 1590 | i++) |
| 1591 | { |
| 1592 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; |
| 1593 | if (linestart > pos) |
| 1594 | break; |
| 1595 | /* If the position sought is the end of the buffer, |
| 1596 | don't include the blank lines at the bottom of the window. */ |
| 1597 | if (linestart == pos && pos == BUF_ZV (XBUFFER (w->buffer))) |
| 1598 | { |
| 1599 | maybe_next_line = 1; |
| 1600 | break; |
| 1601 | } |
| 1602 | if (linestart > 0) |
| 1603 | row = i; |
| 1604 | } |
| 1605 | |
| 1606 | /* Find the right column with in it. */ |
| 1607 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; |
| 1608 | lastcol = left; |
| 1609 | for (i = 0; i < width; i++) |
| 1610 | { |
| 1611 | if (charstarts[left + i] == pos) |
| 1612 | { |
| 1613 | *rowp = row + top; |
| 1614 | *columnp = i + left; |
| 1615 | return 1; |
| 1616 | } |
| 1617 | else if (charstarts[left + i] > pos) |
| 1618 | break; |
| 1619 | else if (charstarts[left + i] > 0) |
| 1620 | lastcol = left + i; |
| 1621 | } |
| 1622 | |
| 1623 | /* If we're looking for the end of the buffer, |
| 1624 | and we didn't find it in the line we scanned, |
| 1625 | use the start of the following line. */ |
| 1626 | if (maybe_next_line) |
| 1627 | { |
| 1628 | row++; |
| 1629 | i = 0; |
| 1630 | } |
| 1631 | |
| 1632 | *rowp = row + top; |
| 1633 | *columnp = lastcol; |
| 1634 | return 0; |
| 1635 | } |
| 1636 | |
| 1637 | /* Display the active region described by mouse_face_* |
| 1638 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ |
| 1639 | |
| 1640 | static void |
| 1641 | show_mouse_face (dpyinfo, hl) |
| 1642 | struct w32_display_info *dpyinfo; |
| 1643 | int hl; |
| 1644 | { |
| 1645 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); |
| 1646 | int width = window_internal_width (w); |
| 1647 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); |
| 1648 | int i; |
| 1649 | int cursor_off = 0; |
| 1650 | int old_curs_x = curs_x; |
| 1651 | int old_curs_y = curs_y; |
| 1652 | |
| 1653 | /* Set these variables temporarily |
| 1654 | so that if we have to turn the cursor off and on again |
| 1655 | we will put it back at the same place. */ |
| 1656 | curs_x = f->phys_cursor_x; |
| 1657 | curs_y = f->phys_cursor_y; |
| 1658 | |
| 1659 | for (i = FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row; |
| 1660 | i <= FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row; i++) |
| 1661 | { |
| 1662 | int column = (i == FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row |
| 1663 | ? FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_col |
| 1664 | : WINDOW_LEFT_MARGIN (w)); |
| 1665 | int endcolumn = (i == FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row |
| 1666 | ? FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_col |
| 1667 | : WINDOW_LEFT_MARGIN (w) + width); |
| 1668 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
| 1669 | |
| 1670 | /* If the cursor's in the text we are about to rewrite, |
| 1671 | turn the cursor off. */ |
| 1672 | if (i == curs_y |
| 1673 | && curs_x >= column - 1 |
| 1674 | && curs_x <= endcolumn) |
| 1675 | { |
| 1676 | x_display_cursor (f, 0); |
| 1677 | cursor_off = 1; |
| 1678 | } |
| 1679 | |
| 1680 | dumpglyphs (f, |
| 1681 | CHAR_TO_PIXEL_COL (f, column), |
| 1682 | CHAR_TO_PIXEL_ROW (f, i), |
| 1683 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, |
| 1684 | endcolumn - column, |
| 1685 | /* Highlight with mouse face if hl > 0. */ |
| 1686 | hl > 0 ? 3 : 0, 0); |
| 1687 | } |
| 1688 | |
| 1689 | /* If we turned the cursor off, turn it back on. */ |
| 1690 | if (cursor_off) |
| 1691 | x_display_cursor (f, 1); |
| 1692 | |
| 1693 | curs_x = old_curs_x; |
| 1694 | curs_y = old_curs_y; |
| 1695 | |
| 1696 | /* Change the mouse cursor according to the value of HL. */ |
| 1697 | if (hl > 0) |
| 1698 | SetCursor (f->output_data.w32->cross_cursor); |
| 1699 | else |
| 1700 | SetCursor (f->output_data.w32->text_cursor); |
| 1701 | } |
| 1702 | |
| 1703 | /* Clear out the mouse-highlighted active region. |
| 1704 | Redraw it unhighlighted first. */ |
| 1705 | |
| 1706 | static void |
| 1707 | clear_mouse_face (dpyinfo) |
| 1708 | struct w32_display_info *dpyinfo; |
| 1709 | { |
| 1710 | if (! NILP (dpyinfo->mouse_face_window)) |
| 1711 | show_mouse_face (dpyinfo, 0); |
| 1712 | |
| 1713 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
| 1714 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; |
| 1715 | dpyinfo->mouse_face_window = Qnil; |
| 1716 | } |
| 1717 | \f |
| 1718 | struct scroll_bar *x_window_to_scroll_bar (); |
| 1719 | static void x_scroll_bar_report_motion (); |
| 1720 | |
| 1721 | /* Return the current position of the mouse. |
| 1722 | *fp should be a frame which indicates which display to ask about. |
| 1723 | |
| 1724 | If the mouse movement started in a scroll bar, set *fp, *bar_window, |
| 1725 | and *part to the frame, window, and scroll bar part that the mouse |
| 1726 | is over. Set *x and *y to the portion and whole of the mouse's |
| 1727 | position on the scroll bar. |
| 1728 | |
| 1729 | If the mouse movement started elsewhere, set *fp to the frame the |
| 1730 | mouse is on, *bar_window to nil, and *x and *y to the character cell |
| 1731 | the mouse is over. |
| 1732 | |
| 1733 | Set *time to the server timestamp for the time at which the mouse |
| 1734 | was at this position. |
| 1735 | |
| 1736 | Don't store anything if we don't have a valid set of values to report. |
| 1737 | |
| 1738 | This clears the mouse_moved flag, so we can wait for the next mouse |
| 1739 | movement. This also calls XQueryPointer, which will cause the |
| 1740 | server to give us another MotionNotify when the mouse moves |
| 1741 | again. */ |
| 1742 | |
| 1743 | static void |
| 1744 | w32_mouse_position (fp, insist, bar_window, part, x, y, time) |
| 1745 | FRAME_PTR *fp; |
| 1746 | int insist; |
| 1747 | Lisp_Object *bar_window; |
| 1748 | enum scroll_bar_part *part; |
| 1749 | Lisp_Object *x, *y; |
| 1750 | unsigned long *time; |
| 1751 | { |
| 1752 | FRAME_PTR f1; |
| 1753 | |
| 1754 | BLOCK_INPUT; |
| 1755 | |
| 1756 | if (! NILP (last_mouse_scroll_bar) && insist == 0) |
| 1757 | /* This is never called at the moment. */ |
| 1758 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
| 1759 | else |
| 1760 | { |
| 1761 | POINT pt; |
| 1762 | |
| 1763 | Lisp_Object frame, tail; |
| 1764 | |
| 1765 | /* Clear the mouse-moved flag for every frame on this display. */ |
| 1766 | FOR_EACH_FRAME (tail, frame) |
| 1767 | XFRAME (frame)->mouse_moved = 0; |
| 1768 | |
| 1769 | last_mouse_scroll_bar = Qnil; |
| 1770 | |
| 1771 | GetCursorPos (&pt); |
| 1772 | |
| 1773 | /* Now we have a position on the root; find the innermost window |
| 1774 | containing the pointer. */ |
| 1775 | { |
| 1776 | if (FRAME_W32_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
| 1777 | && FRAME_LIVE_P (last_mouse_frame)) |
| 1778 | { |
| 1779 | f1 = last_mouse_frame; |
| 1780 | } |
| 1781 | else |
| 1782 | { |
| 1783 | /* Is win one of our frames? */ |
| 1784 | f1 = x_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp), WindowFromPoint(pt)); |
| 1785 | } |
| 1786 | |
| 1787 | /* If not, is it one of our scroll bars? */ |
| 1788 | if (! f1) |
| 1789 | { |
| 1790 | struct scroll_bar *bar = x_window_to_scroll_bar (WindowFromPoint(pt)); |
| 1791 | |
| 1792 | if (bar) |
| 1793 | { |
| 1794 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
| 1795 | } |
| 1796 | } |
| 1797 | |
| 1798 | if (f1 == 0 && insist > 0) |
| 1799 | f1 = selected_frame; |
| 1800 | |
| 1801 | if (f1) |
| 1802 | { |
| 1803 | int ignore1, ignore2; |
| 1804 | |
| 1805 | ScreenToClient (FRAME_W32_WINDOW (f1), &pt); |
| 1806 | |
| 1807 | /* Ok, we found a frame. Store all the values. */ |
| 1808 | |
| 1809 | pixel_to_glyph_coords (f1, pt.x, pt.y, &ignore1, &ignore2, |
| 1810 | &last_mouse_glyph, |
| 1811 | FRAME_W32_DISPLAY_INFO (f1)->grabbed |
| 1812 | || insist); |
| 1813 | |
| 1814 | *bar_window = Qnil; |
| 1815 | *part = 0; |
| 1816 | *fp = f1; |
| 1817 | XSETINT (*x, pt.x); |
| 1818 | XSETINT (*y, pt.y); |
| 1819 | *time = last_mouse_movement_time; |
| 1820 | } |
| 1821 | } |
| 1822 | } |
| 1823 | |
| 1824 | UNBLOCK_INPUT; |
| 1825 | } |
| 1826 | \f |
| 1827 | /* Scroll bar support. */ |
| 1828 | |
| 1829 | /* Given an window ID, find the struct scroll_bar which manages it. |
| 1830 | This can be called in GC, so we have to make sure to strip off mark |
| 1831 | bits. */ |
| 1832 | struct scroll_bar * |
| 1833 | x_window_to_scroll_bar (window_id) |
| 1834 | Window window_id; |
| 1835 | { |
| 1836 | Lisp_Object tail, frame; |
| 1837 | |
| 1838 | for (tail = Vframe_list; |
| 1839 | XGCTYPE (tail) == Lisp_Cons; |
| 1840 | tail = XCONS (tail)->cdr) |
| 1841 | { |
| 1842 | Lisp_Object frame, bar, condemned; |
| 1843 | |
| 1844 | frame = XCONS (tail)->car; |
| 1845 | /* All elements of Vframe_list should be frames. */ |
| 1846 | if (! GC_FRAMEP (frame)) |
| 1847 | abort (); |
| 1848 | |
| 1849 | /* Scan this frame's scroll bar list for a scroll bar with the |
| 1850 | right window ID. */ |
| 1851 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
| 1852 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); |
| 1853 | /* This trick allows us to search both the ordinary and |
| 1854 | condemned scroll bar lists with one loop. */ |
| 1855 | ! GC_NILP (bar) || (bar = condemned, |
| 1856 | condemned = Qnil, |
| 1857 | ! GC_NILP (bar)); |
| 1858 | bar = XSCROLL_BAR (bar)->next) |
| 1859 | if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)) == window_id) |
| 1860 | return XSCROLL_BAR (bar); |
| 1861 | } |
| 1862 | |
| 1863 | return 0; |
| 1864 | } |
| 1865 | |
| 1866 | HWND |
| 1867 | my_create_scrollbar (f, bar) |
| 1868 | struct frame * f; |
| 1869 | struct scroll_bar * bar; |
| 1870 | { |
| 1871 | return (HWND) SendMessage (FRAME_W32_WINDOW (f), |
| 1872 | WM_EMACS_CREATESCROLLBAR, (WPARAM) f, |
| 1873 | (LPARAM) bar); |
| 1874 | } |
| 1875 | |
| 1876 | //#define ATTACH_THREADS |
| 1877 | |
| 1878 | BOOL |
| 1879 | my_show_window (FRAME_PTR f, HWND hwnd, int how) |
| 1880 | { |
| 1881 | #ifndef ATTACH_THREADS |
| 1882 | return SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_SHOWWINDOW, |
| 1883 | (WPARAM) hwnd, (LPARAM) how); |
| 1884 | #else |
| 1885 | return ShowWindow (hwnd, how); |
| 1886 | #endif |
| 1887 | } |
| 1888 | |
| 1889 | void |
| 1890 | my_set_window_pos (HWND hwnd, HWND hwndAfter, |
| 1891 | int x, int y, int cx, int cy, UINT flags) |
| 1892 | { |
| 1893 | #ifndef ATTACH_THREADS |
| 1894 | WINDOWPOS pos; |
| 1895 | pos.hwndInsertAfter = hwndAfter; |
| 1896 | pos.x = x; |
| 1897 | pos.y = y; |
| 1898 | pos.cx = cx; |
| 1899 | pos.cy = cy; |
| 1900 | pos.flags = flags; |
| 1901 | SendMessage (hwnd, WM_EMACS_SETWINDOWPOS, (WPARAM) &pos, 0); |
| 1902 | #else |
| 1903 | SetWindowPos (hwnd, hwndAfter, x, y, cx, cy, flags); |
| 1904 | #endif |
| 1905 | } |
| 1906 | |
| 1907 | BOOL |
| 1908 | my_set_focus (f, hwnd) |
| 1909 | struct frame * f; |
| 1910 | HWND hwnd; |
| 1911 | { |
| 1912 | SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_SETFOCUS, |
| 1913 | (WPARAM) hwnd, 0); |
| 1914 | } |
| 1915 | |
| 1916 | void |
| 1917 | my_destroy_window (f, hwnd) |
| 1918 | struct frame * f; |
| 1919 | HWND hwnd; |
| 1920 | { |
| 1921 | SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_DESTROYWINDOW, |
| 1922 | (WPARAM) hwnd, 0); |
| 1923 | } |
| 1924 | |
| 1925 | /* Open a new window to serve as a scroll bar, and return the |
| 1926 | scroll bar vector for it. */ |
| 1927 | static struct scroll_bar * |
| 1928 | x_scroll_bar_create (window, top, left, width, height) |
| 1929 | struct window *window; |
| 1930 | int top, left, width, height; |
| 1931 | { |
| 1932 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); |
| 1933 | struct scroll_bar *bar |
| 1934 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); |
| 1935 | HWND hwnd; |
| 1936 | |
| 1937 | BLOCK_INPUT; |
| 1938 | |
| 1939 | XSETWINDOW (bar->window, window); |
| 1940 | XSETINT (bar->top, top); |
| 1941 | XSETINT (bar->left, left); |
| 1942 | XSETINT (bar->width, width); |
| 1943 | XSETINT (bar->height, height); |
| 1944 | XSETINT (bar->start, 0); |
| 1945 | XSETINT (bar->end, 0); |
| 1946 | bar->dragging = Qnil; |
| 1947 | |
| 1948 | /* Requires geometry to be set before call to create the real window */ |
| 1949 | |
| 1950 | hwnd = my_create_scrollbar (f, bar); |
| 1951 | |
| 1952 | if (pfnSetScrollInfo) |
| 1953 | { |
| 1954 | SCROLLINFO si; |
| 1955 | |
| 1956 | si.cbSize = sizeof (si); |
| 1957 | si.fMask = SIF_ALL; |
| 1958 | si.nMin = 0; |
| 1959 | si.nMax = VERTICAL_SCROLL_BAR_TOP_RANGE (height) |
| 1960 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; |
| 1961 | si.nPage = si.nMax; |
| 1962 | si.nPos = 0; |
| 1963 | |
| 1964 | pfnSetScrollInfo (hwnd, SB_CTL, &si, FALSE); |
| 1965 | } |
| 1966 | else |
| 1967 | { |
| 1968 | SetScrollRange (hwnd, SB_CTL, 0, VERTICAL_SCROLL_BAR_TOP_RANGE (height), FALSE); |
| 1969 | SetScrollPos (hwnd, SB_CTL, 0, FALSE); |
| 1970 | } |
| 1971 | |
| 1972 | SET_SCROLL_BAR_W32_WINDOW (bar, hwnd); |
| 1973 | |
| 1974 | /* Add bar to its frame's list of scroll bars. */ |
| 1975 | bar->next = FRAME_SCROLL_BARS (f); |
| 1976 | bar->prev = Qnil; |
| 1977 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
| 1978 | if (! NILP (bar->next)) |
| 1979 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
| 1980 | |
| 1981 | UNBLOCK_INPUT; |
| 1982 | |
| 1983 | return bar; |
| 1984 | } |
| 1985 | |
| 1986 | /* Draw BAR's handle in the proper position. |
| 1987 | If the handle is already drawn from START to END, don't bother |
| 1988 | redrawing it, unless REBUILD is non-zero; in that case, always |
| 1989 | redraw it. (REBUILD is handy for drawing the handle after expose |
| 1990 | events.) |
| 1991 | |
| 1992 | Normally, we want to constrain the start and end of the handle to |
| 1993 | fit inside its rectangle, but if the user is dragging the scroll bar |
| 1994 | handle, we want to let them drag it down all the way, so that the |
| 1995 | bar's top is as far down as it goes; otherwise, there's no way to |
| 1996 | move to the very end of the buffer. */ |
| 1997 | static void |
| 1998 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
| 1999 | struct scroll_bar *bar; |
| 2000 | int start, end; |
| 2001 | int rebuild; |
| 2002 | { |
| 2003 | int dragging = ! NILP (bar->dragging); |
| 2004 | Window w = SCROLL_BAR_W32_WINDOW (bar); |
| 2005 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
| 2006 | |
| 2007 | /* If the display is already accurate, do nothing. */ |
| 2008 | if (! rebuild |
| 2009 | && start == XINT (bar->start) |
| 2010 | && end == XINT (bar->end)) |
| 2011 | return; |
| 2012 | |
| 2013 | BLOCK_INPUT; |
| 2014 | |
| 2015 | { |
| 2016 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
| 2017 | |
| 2018 | /* Make sure the values are reasonable, and try to preserve |
| 2019 | the distance between start and end. */ |
| 2020 | { |
| 2021 | int length = end - start; |
| 2022 | |
| 2023 | if (start < 0) |
| 2024 | start = 0; |
| 2025 | else if (start > top_range) |
| 2026 | start = top_range; |
| 2027 | end = start + length; |
| 2028 | |
| 2029 | if (end < start) |
| 2030 | end = start; |
| 2031 | else if (end > top_range && ! dragging) |
| 2032 | end = top_range; |
| 2033 | } |
| 2034 | } |
| 2035 | |
| 2036 | /* Store the adjusted setting in the scroll bar. */ |
| 2037 | XSETINT (bar->start, start); |
| 2038 | XSETINT (bar->end, end); |
| 2039 | |
| 2040 | /* If being dragged, let scroll bar update itself. */ |
| 2041 | if (!dragging) |
| 2042 | { |
| 2043 | if (pfnSetScrollInfo) |
| 2044 | { |
| 2045 | SCROLLINFO si; |
| 2046 | |
| 2047 | si.cbSize = sizeof (si); |
| 2048 | si.fMask = SIF_PAGE | SIF_POS; |
| 2049 | si.nPage = end - start + VERTICAL_SCROLL_BAR_MIN_HANDLE; |
| 2050 | si.nPos = start; |
| 2051 | |
| 2052 | pfnSetScrollInfo (w, SB_CTL, &si, TRUE); |
| 2053 | } |
| 2054 | else |
| 2055 | SetScrollPos (w, SB_CTL, start, TRUE); |
| 2056 | } |
| 2057 | |
| 2058 | UNBLOCK_INPUT; |
| 2059 | } |
| 2060 | |
| 2061 | /* Move a scroll bar around on the screen, to accommodate changing |
| 2062 | window configurations. */ |
| 2063 | static void |
| 2064 | x_scroll_bar_move (bar, top, left, width, height) |
| 2065 | struct scroll_bar *bar; |
| 2066 | int top, left, width, height; |
| 2067 | { |
| 2068 | Window w = SCROLL_BAR_W32_WINDOW (bar); |
| 2069 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
| 2070 | |
| 2071 | /* If already correctly positioned, do nothing. */ |
| 2072 | if ( XINT (bar->left) == left |
| 2073 | && XINT (bar->top) == top |
| 2074 | && XINT (bar->width) == width |
| 2075 | && XINT (bar->height) == height ) |
| 2076 | { |
| 2077 | /* Redraw after clear_frame. */ |
| 2078 | if (!my_show_window (f, w, SW_NORMAL)) |
| 2079 | InvalidateRect (w, NULL, FALSE); |
| 2080 | return; |
| 2081 | } |
| 2082 | |
| 2083 | BLOCK_INPUT; |
| 2084 | |
| 2085 | /* Make sure scroll bar is "visible" before moving, to ensure the |
| 2086 | area of the parent window now exposed will be refreshed. */ |
| 2087 | my_show_window (f, w, SW_HIDE); |
| 2088 | MoveWindow (w, left, top, width, height, TRUE); |
| 2089 | if (pfnSetScrollInfo) |
| 2090 | { |
| 2091 | SCROLLINFO si; |
| 2092 | |
| 2093 | si.cbSize = sizeof (si); |
| 2094 | si.fMask = SIF_RANGE; |
| 2095 | si.nMin = 0; |
| 2096 | si.nMax = VERTICAL_SCROLL_BAR_TOP_RANGE (height) |
| 2097 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; |
| 2098 | |
| 2099 | pfnSetScrollInfo (w, SB_CTL, &si, FALSE); |
| 2100 | } |
| 2101 | else |
| 2102 | SetScrollRange (w, SB_CTL, 0, VERTICAL_SCROLL_BAR_TOP_RANGE (height), FALSE); |
| 2103 | my_show_window (f, w, SW_NORMAL); |
| 2104 | // InvalidateRect (w, NULL, FALSE); |
| 2105 | |
| 2106 | XSETINT (bar->left, left); |
| 2107 | XSETINT (bar->top, top); |
| 2108 | XSETINT (bar->width, width); |
| 2109 | XSETINT (bar->height, height); |
| 2110 | |
| 2111 | UNBLOCK_INPUT; |
| 2112 | } |
| 2113 | |
| 2114 | /* Destroy the window for BAR, and set its Emacs window's scroll bar |
| 2115 | to nil. */ |
| 2116 | static void |
| 2117 | x_scroll_bar_remove (bar) |
| 2118 | struct scroll_bar *bar; |
| 2119 | { |
| 2120 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
| 2121 | |
| 2122 | BLOCK_INPUT; |
| 2123 | |
| 2124 | /* Destroy the window. */ |
| 2125 | my_destroy_window (f, SCROLL_BAR_W32_WINDOW (bar)); |
| 2126 | |
| 2127 | /* Disassociate this scroll bar from its window. */ |
| 2128 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; |
| 2129 | |
| 2130 | UNBLOCK_INPUT; |
| 2131 | } |
| 2132 | |
| 2133 | /* Set the handle of the vertical scroll bar for WINDOW to indicate |
| 2134 | that we are displaying PORTION characters out of a total of WHOLE |
| 2135 | characters, starting at POSITION. If WINDOW has no scroll bar, |
| 2136 | create one. */ |
| 2137 | static void |
| 2138 | w32_set_vertical_scroll_bar (window, portion, whole, position) |
| 2139 | struct window *window; |
| 2140 | int portion, whole, position; |
| 2141 | { |
| 2142 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); |
| 2143 | int top = XINT (window->top); |
| 2144 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
| 2145 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); |
| 2146 | |
| 2147 | /* Where should this scroll bar be, pixelwise? */ |
| 2148 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
| 2149 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); |
| 2150 | int pixel_width |
| 2151 | = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 |
| 2152 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
| 2153 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.w32->font))); |
| 2154 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); |
| 2155 | |
| 2156 | struct scroll_bar *bar; |
| 2157 | |
| 2158 | /* Does the scroll bar exist yet? */ |
| 2159 | if (NILP (window->vertical_scroll_bar)) |
| 2160 | bar = x_scroll_bar_create (window, |
| 2161 | pixel_top, pixel_left, |
| 2162 | pixel_width, pixel_height); |
| 2163 | else |
| 2164 | { |
| 2165 | /* It may just need to be moved and resized. */ |
| 2166 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
| 2167 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); |
| 2168 | } |
| 2169 | |
| 2170 | /* Set the scroll bar's current state. */ |
| 2171 | { |
| 2172 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
| 2173 | |
| 2174 | if (whole == 0) |
| 2175 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
| 2176 | else |
| 2177 | { |
| 2178 | int start = (int) (((double) position * top_range) / whole); |
| 2179 | int end = (int) (((double) (position + portion) * top_range) / whole); |
| 2180 | |
| 2181 | x_scroll_bar_set_handle (bar, start, end, 0); |
| 2182 | } |
| 2183 | } |
| 2184 | |
| 2185 | XSETVECTOR (window->vertical_scroll_bar, bar); |
| 2186 | } |
| 2187 | |
| 2188 | |
| 2189 | /* The following three hooks are used when we're doing a thorough |
| 2190 | redisplay of the frame. We don't explicitly know which scroll bars |
| 2191 | are going to be deleted, because keeping track of when windows go |
| 2192 | away is a real pain - "Can you say set-window-configuration, boys |
| 2193 | and girls?" Instead, we just assert at the beginning of redisplay |
| 2194 | that *all* scroll bars are to be removed, and then save a scroll bar |
| 2195 | from the fiery pit when we actually redisplay its window. */ |
| 2196 | |
| 2197 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
| 2198 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if |
| 2199 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ |
| 2200 | static void |
| 2201 | w32_condemn_scroll_bars (frame) |
| 2202 | FRAME_PTR frame; |
| 2203 | { |
| 2204 | /* The condemned list should be empty at this point; if it's not, |
| 2205 | then the rest of Emacs isn't using the condemn/redeem/judge |
| 2206 | protocol correctly. */ |
| 2207 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
| 2208 | abort (); |
| 2209 | |
| 2210 | /* Move them all to the "condemned" list. */ |
| 2211 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
| 2212 | FRAME_SCROLL_BARS (frame) = Qnil; |
| 2213 | } |
| 2214 | |
| 2215 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
| 2216 | Note that WINDOW isn't necessarily condemned at all. */ |
| 2217 | static void |
| 2218 | w32_redeem_scroll_bar (window) |
| 2219 | struct window *window; |
| 2220 | { |
| 2221 | struct scroll_bar *bar; |
| 2222 | |
| 2223 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
| 2224 | if (NILP (window->vertical_scroll_bar)) |
| 2225 | abort (); |
| 2226 | |
| 2227 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
| 2228 | |
| 2229 | /* Unlink it from the condemned list. */ |
| 2230 | { |
| 2231 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); |
| 2232 | |
| 2233 | if (NILP (bar->prev)) |
| 2234 | { |
| 2235 | /* If the prev pointer is nil, it must be the first in one of |
| 2236 | the lists. */ |
| 2237 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
| 2238 | /* It's not condemned. Everything's fine. */ |
| 2239 | return; |
| 2240 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
| 2241 | window->vertical_scroll_bar)) |
| 2242 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; |
| 2243 | else |
| 2244 | /* If its prev pointer is nil, it must be at the front of |
| 2245 | one or the other! */ |
| 2246 | abort (); |
| 2247 | } |
| 2248 | else |
| 2249 | XSCROLL_BAR (bar->prev)->next = bar->next; |
| 2250 | |
| 2251 | if (! NILP (bar->next)) |
| 2252 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
| 2253 | |
| 2254 | bar->next = FRAME_SCROLL_BARS (f); |
| 2255 | bar->prev = Qnil; |
| 2256 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
| 2257 | if (! NILP (bar->next)) |
| 2258 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
| 2259 | } |
| 2260 | } |
| 2261 | |
| 2262 | /* Remove all scroll bars on FRAME that haven't been saved since the |
| 2263 | last call to `*condemn_scroll_bars_hook'. */ |
| 2264 | static void |
| 2265 | w32_judge_scroll_bars (f) |
| 2266 | FRAME_PTR f; |
| 2267 | { |
| 2268 | Lisp_Object bar, next; |
| 2269 | |
| 2270 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
| 2271 | |
| 2272 | /* Clear out the condemned list now so we won't try to process any |
| 2273 | more events on the hapless scroll bars. */ |
| 2274 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; |
| 2275 | |
| 2276 | for (; ! NILP (bar); bar = next) |
| 2277 | { |
| 2278 | struct scroll_bar *b = XSCROLL_BAR (bar); |
| 2279 | |
| 2280 | x_scroll_bar_remove (b); |
| 2281 | |
| 2282 | next = b->next; |
| 2283 | b->next = b->prev = Qnil; |
| 2284 | } |
| 2285 | |
| 2286 | /* Now there should be no references to the condemned scroll bars, |
| 2287 | and they should get garbage-collected. */ |
| 2288 | } |
| 2289 | |
| 2290 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
| 2291 | is set to something other than no_event, it is enqueued. |
| 2292 | |
| 2293 | This may be called from a signal handler, so we have to ignore GC |
| 2294 | mark bits. */ |
| 2295 | |
| 2296 | static int |
| 2297 | x_scroll_bar_handle_click (bar, msg, emacs_event) |
| 2298 | struct scroll_bar *bar; |
| 2299 | W32Msg *msg; |
| 2300 | struct input_event *emacs_event; |
| 2301 | { |
| 2302 | if (! GC_WINDOWP (bar->window)) |
| 2303 | abort (); |
| 2304 | |
| 2305 | emacs_event->kind = w32_scroll_bar_click; |
| 2306 | emacs_event->code = 0; |
| 2307 | /* not really meaningful to distinguish up/down */ |
| 2308 | emacs_event->modifiers = msg->dwModifiers; |
| 2309 | emacs_event->frame_or_window = bar->window; |
| 2310 | emacs_event->timestamp = msg->msg.time; |
| 2311 | |
| 2312 | { |
| 2313 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
| 2314 | int y; |
| 2315 | int dragging = !NILP (bar->dragging); |
| 2316 | |
| 2317 | if (pfnGetScrollInfo) |
| 2318 | { |
| 2319 | SCROLLINFO si; |
| 2320 | |
| 2321 | si.cbSize = sizeof (si); |
| 2322 | si.fMask = SIF_POS; |
| 2323 | |
| 2324 | pfnGetScrollInfo ((HWND) msg->msg.lParam, SB_CTL, &si); |
| 2325 | y = si.nPos; |
| 2326 | } |
| 2327 | else |
| 2328 | y = GetScrollPos ((HWND) msg->msg.lParam, SB_CTL); |
| 2329 | |
| 2330 | bar->dragging = Qnil; |
| 2331 | |
| 2332 | switch (LOWORD (msg->msg.wParam)) |
| 2333 | { |
| 2334 | case SB_LINEDOWN: |
| 2335 | emacs_event->part = scroll_bar_down_arrow; |
| 2336 | break; |
| 2337 | case SB_LINEUP: |
| 2338 | emacs_event->part = scroll_bar_up_arrow; |
| 2339 | break; |
| 2340 | case SB_PAGEUP: |
| 2341 | emacs_event->part = scroll_bar_above_handle; |
| 2342 | break; |
| 2343 | case SB_PAGEDOWN: |
| 2344 | emacs_event->part = scroll_bar_below_handle; |
| 2345 | break; |
| 2346 | case SB_TOP: |
| 2347 | emacs_event->part = scroll_bar_handle; |
| 2348 | y = 0; |
| 2349 | break; |
| 2350 | case SB_BOTTOM: |
| 2351 | emacs_event->part = scroll_bar_handle; |
| 2352 | y = top_range; |
| 2353 | break; |
| 2354 | case SB_THUMBTRACK: |
| 2355 | case SB_THUMBPOSITION: |
| 2356 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)) <= 0xffff) |
| 2357 | y = HIWORD (msg->msg.wParam); |
| 2358 | bar->dragging = Qt; |
| 2359 | emacs_event->part = scroll_bar_handle; |
| 2360 | |
| 2361 | /* "Silently" update current position. */ |
| 2362 | if (pfnSetScrollInfo) |
| 2363 | { |
| 2364 | SCROLLINFO si; |
| 2365 | |
| 2366 | si.cbSize = sizeof (si); |
| 2367 | si.fMask = SIF_POS; |
| 2368 | |
| 2369 | #if 0 |
| 2370 | /* Shrink handle if necessary to allow full range for position. */ |
| 2371 | { |
| 2372 | int start = XINT (bar->start); |
| 2373 | int end = XINT (bar->end); |
| 2374 | int len = end - start; |
| 2375 | |
| 2376 | /* If new end is nearly hitting bottom, we must shrink |
| 2377 | handle. How much we shrink it depends on the relative |
| 2378 | sizes of len and top_range. */ |
| 2379 | if (y + len > top_range - 2) |
| 2380 | { |
| 2381 | len -= min (top_range / 10, (len / 3) + 2); |
| 2382 | if (len < 0) |
| 2383 | len = 0; |
| 2384 | } |
| 2385 | si.nPage = len + VERTICAL_SCROLL_BAR_MIN_HANDLE; |
| 2386 | si.fMask |= SIF_PAGE; |
| 2387 | } |
| 2388 | #endif |
| 2389 | si.nPos = y; |
| 2390 | /* Remember apparent position (we actually lag behind the real |
| 2391 | position, so don't set that directly. */ |
| 2392 | last_scroll_bar_drag_pos = y; |
| 2393 | |
| 2394 | pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, &si, FALSE); |
| 2395 | } |
| 2396 | else |
| 2397 | SetScrollPos (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, y, FALSE); |
| 2398 | break; |
| 2399 | case SB_ENDSCROLL: |
| 2400 | /* If this is the end of a drag sequence, then reset the scroll |
| 2401 | handle size to normal and do a final redraw. Otherwise do |
| 2402 | nothing. */ |
| 2403 | if (dragging) |
| 2404 | { |
| 2405 | if (pfnSetScrollInfo) |
| 2406 | { |
| 2407 | SCROLLINFO si; |
| 2408 | int start = XINT (bar->start); |
| 2409 | int end = XINT (bar->end); |
| 2410 | |
| 2411 | si.cbSize = sizeof (si); |
| 2412 | si.fMask = SIF_PAGE | SIF_POS; |
| 2413 | si.nPage = end - start + VERTICAL_SCROLL_BAR_MIN_HANDLE; |
| 2414 | si.nPos = last_scroll_bar_drag_pos; |
| 2415 | |
| 2416 | pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, &si, TRUE); |
| 2417 | } |
| 2418 | else |
| 2419 | SetScrollPos (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, y, TRUE); |
| 2420 | } |
| 2421 | /* fall through */ |
| 2422 | default: |
| 2423 | emacs_event->kind = no_event; |
| 2424 | return FALSE; |
| 2425 | } |
| 2426 | |
| 2427 | XSETINT (emacs_event->x, y); |
| 2428 | XSETINT (emacs_event->y, top_range); |
| 2429 | |
| 2430 | return TRUE; |
| 2431 | } |
| 2432 | } |
| 2433 | |
| 2434 | /* Return information to the user about the current position of the mouse |
| 2435 | on the scroll bar. */ |
| 2436 | static void |
| 2437 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) |
| 2438 | FRAME_PTR *fp; |
| 2439 | Lisp_Object *bar_window; |
| 2440 | enum scroll_bar_part *part; |
| 2441 | Lisp_Object *x, *y; |
| 2442 | unsigned long *time; |
| 2443 | { |
| 2444 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
| 2445 | Window w = SCROLL_BAR_W32_WINDOW (bar); |
| 2446 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
| 2447 | int pos; |
| 2448 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
| 2449 | |
| 2450 | BLOCK_INPUT; |
| 2451 | |
| 2452 | *fp = f; |
| 2453 | *bar_window = bar->window; |
| 2454 | |
| 2455 | if (pfnGetScrollInfo) |
| 2456 | { |
| 2457 | SCROLLINFO si; |
| 2458 | |
| 2459 | si.cbSize = sizeof (si); |
| 2460 | si.fMask = SIF_POS | SIF_PAGE | SIF_RANGE; |
| 2461 | |
| 2462 | pfnGetScrollInfo (w, SB_CTL, &si); |
| 2463 | pos = si.nPos; |
| 2464 | top_range = si.nMax - si.nPage + 1; |
| 2465 | } |
| 2466 | else |
| 2467 | pos = GetScrollPos (w, SB_CTL); |
| 2468 | |
| 2469 | switch (LOWORD (last_mouse_scroll_bar_pos)) |
| 2470 | { |
| 2471 | case SB_THUMBPOSITION: |
| 2472 | case SB_THUMBTRACK: |
| 2473 | *part = scroll_bar_handle; |
| 2474 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)) <= 0xffff) |
| 2475 | pos = HIWORD (last_mouse_scroll_bar_pos); |
| 2476 | break; |
| 2477 | case SB_LINEDOWN: |
| 2478 | *part = scroll_bar_handle; |
| 2479 | pos++; |
| 2480 | break; |
| 2481 | default: |
| 2482 | *part = scroll_bar_handle; |
| 2483 | break; |
| 2484 | } |
| 2485 | |
| 2486 | XSETINT(*x, pos); |
| 2487 | XSETINT(*y, top_range); |
| 2488 | |
| 2489 | f->mouse_moved = 0; |
| 2490 | last_mouse_scroll_bar = Qnil; |
| 2491 | |
| 2492 | *time = last_mouse_movement_time; |
| 2493 | |
| 2494 | UNBLOCK_INPUT; |
| 2495 | } |
| 2496 | |
| 2497 | /* The screen has been cleared so we may have changed foreground or |
| 2498 | background colors, and the scroll bars may need to be redrawn. |
| 2499 | Clear out the scroll bars, and ask for expose events, so we can |
| 2500 | redraw them. */ |
| 2501 | |
| 2502 | x_scroll_bar_clear (f) |
| 2503 | FRAME_PTR f; |
| 2504 | { |
| 2505 | Lisp_Object bar; |
| 2506 | |
| 2507 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); |
| 2508 | bar = XSCROLL_BAR (bar)->next) |
| 2509 | { |
| 2510 | HWND window = SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)); |
| 2511 | HDC hdc = GetDC (window); |
| 2512 | RECT rect; |
| 2513 | |
| 2514 | /* Hide scroll bar until ready to repaint. x_scroll_bar_move |
| 2515 | arranges to refresh the scroll bar if hidden. */ |
| 2516 | my_show_window (f, window, SW_HIDE); |
| 2517 | |
| 2518 | GetClientRect (window, &rect); |
| 2519 | select_palette (f, hdc); |
| 2520 | w32_clear_rect (f, hdc, &rect); |
| 2521 | deselect_palette (f, hdc); |
| 2522 | |
| 2523 | ReleaseDC (window, hdc); |
| 2524 | } |
| 2525 | } |
| 2526 | |
| 2527 | show_scroll_bars (f, how) |
| 2528 | FRAME_PTR f; |
| 2529 | int how; |
| 2530 | { |
| 2531 | Lisp_Object bar; |
| 2532 | |
| 2533 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); |
| 2534 | bar = XSCROLL_BAR (bar)->next) |
| 2535 | { |
| 2536 | HWND window = SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)); |
| 2537 | my_show_window (f, window, how); |
| 2538 | } |
| 2539 | } |
| 2540 | |
| 2541 | \f |
| 2542 | /* The main W32 event-reading loop - w32_read_socket. */ |
| 2543 | |
| 2544 | /* Timestamp of enter window event. This is only used by w32_read_socket, |
| 2545 | but we have to put it out here, since static variables within functions |
| 2546 | sometimes don't work. */ |
| 2547 | static Time enter_timestamp; |
| 2548 | |
| 2549 | /* Record the last 100 characters stored |
| 2550 | to help debug the loss-of-chars-during-GC problem. */ |
| 2551 | int temp_index; |
| 2552 | short temp_buffer[100]; |
| 2553 | |
| 2554 | extern int key_event (KEY_EVENT_RECORD *, struct input_event *, int *isdead); |
| 2555 | |
| 2556 | /* Map a W32 WM_CHAR message into a KEY_EVENT_RECORD so that |
| 2557 | we can use the same routines to handle input in both console |
| 2558 | and window modes. */ |
| 2559 | |
| 2560 | static void |
| 2561 | convert_to_key_event (W32Msg *msgp, KEY_EVENT_RECORD *eventp) |
| 2562 | { |
| 2563 | eventp->bKeyDown = TRUE; |
| 2564 | eventp->wRepeatCount = 1; |
| 2565 | eventp->wVirtualKeyCode = msgp->msg.wParam; |
| 2566 | eventp->wVirtualScanCode = (msgp->msg.lParam & 0xFF0000) >> 16; |
| 2567 | eventp->uChar.AsciiChar = 0; |
| 2568 | eventp->dwControlKeyState = msgp->dwModifiers; |
| 2569 | } |
| 2570 | |
| 2571 | /* Return nonzero if the virtual key is a dead key. */ |
| 2572 | |
| 2573 | static int |
| 2574 | is_dead_key (int wparam) |
| 2575 | { |
| 2576 | unsigned int code = MapVirtualKey (wparam, 2); |
| 2577 | |
| 2578 | /* Windows 95 returns 0x8000, NT returns 0x80000000. */ |
| 2579 | if ((code & 0x8000) || (code & 0x80000000)) |
| 2580 | return 1; |
| 2581 | else |
| 2582 | return 0; |
| 2583 | } |
| 2584 | |
| 2585 | /* Read events coming from the W32 shell. |
| 2586 | This routine is called by the SIGIO handler. |
| 2587 | We return as soon as there are no more events to be read. |
| 2588 | |
| 2589 | Events representing keys are stored in buffer BUFP, |
| 2590 | which can hold up to NUMCHARS characters. |
| 2591 | We return the number of characters stored into the buffer, |
| 2592 | thus pretending to be `read'. |
| 2593 | |
| 2594 | EXPECTED is nonzero if the caller knows input is available. |
| 2595 | |
| 2596 | Some of these messages are reposted back to the message queue since the |
| 2597 | system calls the windows proc directly in a context where we cannot return |
| 2598 | the data nor can we guarantee the state we are in. So if we dispatch them |
| 2599 | we will get into an infinite loop. To prevent this from ever happening we |
| 2600 | will set a variable to indicate we are in the read_socket call and indicate |
| 2601 | which message we are processing since the windows proc gets called |
| 2602 | recursively with different messages by the system. |
| 2603 | */ |
| 2604 | |
| 2605 | int |
| 2606 | w32_read_socket (sd, bufp, numchars, expected) |
| 2607 | register int sd; |
| 2608 | register struct input_event *bufp; |
| 2609 | register int numchars; |
| 2610 | int expected; |
| 2611 | { |
| 2612 | int count = 0; |
| 2613 | int check_visibility = 0; |
| 2614 | W32Msg msg; |
| 2615 | struct frame *f; |
| 2616 | Lisp_Object part; |
| 2617 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
| 2618 | |
| 2619 | if (interrupt_input_blocked) |
| 2620 | { |
| 2621 | interrupt_input_pending = 1; |
| 2622 | return -1; |
| 2623 | } |
| 2624 | |
| 2625 | interrupt_input_pending = 0; |
| 2626 | BLOCK_INPUT; |
| 2627 | |
| 2628 | /* So people can tell when we have read the available input. */ |
| 2629 | input_signal_count++; |
| 2630 | |
| 2631 | if (numchars <= 0) |
| 2632 | abort (); /* Don't think this happens. */ |
| 2633 | |
| 2634 | while (get_next_msg (&msg, FALSE)) |
| 2635 | { |
| 2636 | switch (msg.msg.message) |
| 2637 | { |
| 2638 | case WM_PAINT: |
| 2639 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2640 | |
| 2641 | if (f) |
| 2642 | { |
| 2643 | if (f->async_visible != 1) |
| 2644 | { |
| 2645 | /* Definitely not obscured, so mark as visible. */ |
| 2646 | f->async_visible = 1; |
| 2647 | f->async_iconified = 0; |
| 2648 | SET_FRAME_GARBAGED (f); |
| 2649 | DebPrint (("frame %04x (%s) reexposed\n", f, |
| 2650 | XSTRING (f->name)->data)); |
| 2651 | |
| 2652 | /* WM_PAINT serves as MapNotify as well, so report |
| 2653 | visibility changes properly. */ |
| 2654 | if (f->iconified) |
| 2655 | { |
| 2656 | bufp->kind = deiconify_event; |
| 2657 | XSETFRAME (bufp->frame_or_window, f); |
| 2658 | bufp++; |
| 2659 | count++; |
| 2660 | numchars--; |
| 2661 | } |
| 2662 | else if (! NILP(Vframe_list) |
| 2663 | && ! NILP (XCONS (Vframe_list)->cdr)) |
| 2664 | /* Force a redisplay sooner or later to update the |
| 2665 | frame titles in case this is the second frame. */ |
| 2666 | record_asynch_buffer_change (); |
| 2667 | } |
| 2668 | else |
| 2669 | { |
| 2670 | /* Erase background again for safety. */ |
| 2671 | w32_clear_rect (f, NULL, &msg.rect); |
| 2672 | dumprectangle (f, |
| 2673 | msg.rect.left, |
| 2674 | msg.rect.top, |
| 2675 | msg.rect.right - msg.rect.left, |
| 2676 | msg.rect.bottom - msg.rect.top); |
| 2677 | } |
| 2678 | } |
| 2679 | break; |
| 2680 | |
| 2681 | case WM_KEYDOWN: |
| 2682 | case WM_SYSKEYDOWN: |
| 2683 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2684 | |
| 2685 | if (f && !f->iconified) |
| 2686 | { |
| 2687 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
| 2688 | temp_index = 0; |
| 2689 | temp_buffer[temp_index++] = msg.msg.wParam; |
| 2690 | bufp->kind = non_ascii_keystroke; |
| 2691 | bufp->code = msg.msg.wParam; |
| 2692 | bufp->modifiers = w32_kbd_mods_to_emacs (msg.dwModifiers, |
| 2693 | msg.msg.wParam); |
| 2694 | XSETFRAME (bufp->frame_or_window, f); |
| 2695 | bufp->timestamp = msg.msg.time; |
| 2696 | bufp++; |
| 2697 | numchars--; |
| 2698 | count++; |
| 2699 | } |
| 2700 | break; |
| 2701 | |
| 2702 | case WM_SYSCHAR: |
| 2703 | case WM_CHAR: |
| 2704 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2705 | |
| 2706 | if (f && !f->iconified) |
| 2707 | { |
| 2708 | if (numchars > 1) |
| 2709 | { |
| 2710 | int add; |
| 2711 | int isdead = 0; |
| 2712 | KEY_EVENT_RECORD key, *keyp = &key; |
| 2713 | |
| 2714 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
| 2715 | temp_index = 0; |
| 2716 | |
| 2717 | convert_to_key_event (&msg, keyp); |
| 2718 | add = key_event (keyp, bufp, &isdead); |
| 2719 | XSETFRAME (bufp->frame_or_window, f); |
| 2720 | if (add == -1) |
| 2721 | { |
| 2722 | /* The key pressed generated two characters, most likely |
| 2723 | an accent character and a key that could not be |
| 2724 | combined with it. Prepend the message on the queue |
| 2725 | again to process the second character (which is |
| 2726 | being held internally in key_event), and process |
| 2727 | the first character now. */ |
| 2728 | prepend_msg (&msg); |
| 2729 | add = 1; |
| 2730 | } |
| 2731 | |
| 2732 | if (isdead) |
| 2733 | break; |
| 2734 | |
| 2735 | bufp += add; |
| 2736 | numchars -= add; |
| 2737 | count += add; |
| 2738 | } |
| 2739 | else |
| 2740 | { |
| 2741 | abort (); |
| 2742 | } |
| 2743 | } |
| 2744 | break; |
| 2745 | |
| 2746 | case WM_MOUSEMOVE: |
| 2747 | if (dpyinfo->grabbed && last_mouse_frame |
| 2748 | && FRAME_LIVE_P (last_mouse_frame)) |
| 2749 | f = last_mouse_frame; |
| 2750 | else |
| 2751 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2752 | |
| 2753 | if (f) |
| 2754 | note_mouse_movement (f, &msg.msg); |
| 2755 | else |
| 2756 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); |
| 2757 | |
| 2758 | break; |
| 2759 | |
| 2760 | case WM_LBUTTONDOWN: |
| 2761 | case WM_LBUTTONUP: |
| 2762 | case WM_MBUTTONDOWN: |
| 2763 | case WM_MBUTTONUP: |
| 2764 | case WM_RBUTTONDOWN: |
| 2765 | case WM_RBUTTONUP: |
| 2766 | { |
| 2767 | int button; |
| 2768 | int up; |
| 2769 | |
| 2770 | if (dpyinfo->grabbed && last_mouse_frame |
| 2771 | && FRAME_LIVE_P (last_mouse_frame)) |
| 2772 | f = last_mouse_frame; |
| 2773 | else |
| 2774 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2775 | |
| 2776 | if (f) |
| 2777 | { |
| 2778 | if ((!dpyinfo->w32_focus_frame || f == dpyinfo->w32_focus_frame) |
| 2779 | && (numchars >= 1)) |
| 2780 | { |
| 2781 | construct_mouse_click (bufp, &msg, f); |
| 2782 | bufp++; |
| 2783 | count++; |
| 2784 | numchars--; |
| 2785 | } |
| 2786 | } |
| 2787 | |
| 2788 | parse_button (msg.msg.message, &button, &up); |
| 2789 | |
| 2790 | if (up) |
| 2791 | { |
| 2792 | dpyinfo->grabbed &= ~ (1 << button); |
| 2793 | } |
| 2794 | else |
| 2795 | { |
| 2796 | dpyinfo->grabbed |= (1 << button); |
| 2797 | last_mouse_frame = f; |
| 2798 | } |
| 2799 | break; |
| 2800 | } |
| 2801 | |
| 2802 | case WM_MOUSEWHEEL: |
| 2803 | if (dpyinfo->grabbed && last_mouse_frame |
| 2804 | && FRAME_LIVE_P (last_mouse_frame)) |
| 2805 | f = last_mouse_frame; |
| 2806 | else |
| 2807 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2808 | |
| 2809 | if (f) |
| 2810 | { |
| 2811 | if ((!dpyinfo->w32_focus_frame |
| 2812 | || f == dpyinfo->w32_focus_frame) |
| 2813 | && (numchars >= 1)) |
| 2814 | { |
| 2815 | construct_mouse_wheel (bufp, &msg, f); |
| 2816 | bufp++; |
| 2817 | count++; |
| 2818 | numchars--; |
| 2819 | } |
| 2820 | } |
| 2821 | break; |
| 2822 | |
| 2823 | case WM_VSCROLL: |
| 2824 | { |
| 2825 | struct scroll_bar *bar = |
| 2826 | x_window_to_scroll_bar ((HWND)msg.msg.lParam); |
| 2827 | |
| 2828 | if (bar && numchars >= 1) |
| 2829 | { |
| 2830 | if (x_scroll_bar_handle_click (bar, &msg, bufp)) |
| 2831 | { |
| 2832 | bufp++; |
| 2833 | count++; |
| 2834 | numchars--; |
| 2835 | } |
| 2836 | } |
| 2837 | break; |
| 2838 | } |
| 2839 | |
| 2840 | case WM_WINDOWPOSCHANGED: |
| 2841 | case WM_ACTIVATE: |
| 2842 | case WM_ACTIVATEAPP: |
| 2843 | check_visibility = 1; |
| 2844 | break; |
| 2845 | |
| 2846 | case WM_MOVE: |
| 2847 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2848 | |
| 2849 | if (f && !f->async_iconified) |
| 2850 | { |
| 2851 | int x, y; |
| 2852 | |
| 2853 | x_real_positions (f, &x, &y); |
| 2854 | f->output_data.w32->left_pos = x; |
| 2855 | f->output_data.w32->top_pos = y; |
| 2856 | } |
| 2857 | |
| 2858 | check_visibility = 1; |
| 2859 | break; |
| 2860 | |
| 2861 | case WM_SHOWWINDOW: |
| 2862 | /* If window has been obscured or exposed by another window |
| 2863 | being maximised or minimised/restored, then recheck |
| 2864 | visibility of all frames. Direct changes to our own |
| 2865 | windows get handled by WM_SIZE. */ |
| 2866 | #if 0 |
| 2867 | if (msg.msg.lParam != 0) |
| 2868 | check_visibility = 1; |
| 2869 | else |
| 2870 | { |
| 2871 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2872 | f->async_visible = msg.msg.wParam; |
| 2873 | } |
| 2874 | #endif |
| 2875 | |
| 2876 | check_visibility = 1; |
| 2877 | break; |
| 2878 | |
| 2879 | case WM_SIZE: |
| 2880 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2881 | |
| 2882 | if (f && !f->async_iconified && msg.msg.wParam != SIZE_MINIMIZED) |
| 2883 | { |
| 2884 | RECT rect; |
| 2885 | int rows; |
| 2886 | int columns; |
| 2887 | int width; |
| 2888 | int height; |
| 2889 | |
| 2890 | GetClientRect(msg.msg.hwnd, &rect); |
| 2891 | |
| 2892 | height = rect.bottom - rect.top; |
| 2893 | width = rect.right - rect.left; |
| 2894 | |
| 2895 | rows = PIXEL_TO_CHAR_HEIGHT (f, height); |
| 2896 | columns = PIXEL_TO_CHAR_WIDTH (f, width); |
| 2897 | |
| 2898 | /* TODO: Clip size to the screen dimensions. */ |
| 2899 | |
| 2900 | /* Even if the number of character rows and columns has |
| 2901 | not changed, the font size may have changed, so we need |
| 2902 | to check the pixel dimensions as well. */ |
| 2903 | |
| 2904 | if (columns != f->width |
| 2905 | || rows != f->height |
| 2906 | || width != f->output_data.w32->pixel_width |
| 2907 | || height != f->output_data.w32->pixel_height) |
| 2908 | { |
| 2909 | /* I had set this to 0, 0 - I am not sure why?? */ |
| 2910 | |
| 2911 | change_frame_size (f, rows, columns, 0, 1); |
| 2912 | SET_FRAME_GARBAGED (f); |
| 2913 | |
| 2914 | f->output_data.w32->pixel_width = width; |
| 2915 | f->output_data.w32->pixel_height = height; |
| 2916 | f->output_data.w32->win_gravity = NorthWestGravity; |
| 2917 | } |
| 2918 | } |
| 2919 | |
| 2920 | /* Inform lisp of whether frame has been iconified etc. */ |
| 2921 | if (f) |
| 2922 | { |
| 2923 | switch (msg.msg.wParam) |
| 2924 | { |
| 2925 | case SIZE_MINIMIZED: |
| 2926 | f->async_visible = 0; |
| 2927 | f->async_iconified = 1; |
| 2928 | |
| 2929 | bufp->kind = iconify_event; |
| 2930 | XSETFRAME (bufp->frame_or_window, f); |
| 2931 | bufp++; |
| 2932 | count++; |
| 2933 | numchars--; |
| 2934 | break; |
| 2935 | |
| 2936 | case SIZE_MAXIMIZED: |
| 2937 | case SIZE_RESTORED: |
| 2938 | f->async_visible = 1; |
| 2939 | f->async_iconified = 0; |
| 2940 | |
| 2941 | /* wait_reading_process_input will notice this and update |
| 2942 | the frame's display structures. */ |
| 2943 | SET_FRAME_GARBAGED (f); |
| 2944 | |
| 2945 | if (f->iconified) |
| 2946 | { |
| 2947 | bufp->kind = deiconify_event; |
| 2948 | XSETFRAME (bufp->frame_or_window, f); |
| 2949 | bufp++; |
| 2950 | count++; |
| 2951 | numchars--; |
| 2952 | } |
| 2953 | else |
| 2954 | /* Force a redisplay sooner or later |
| 2955 | to update the frame titles |
| 2956 | in case this is the second frame. */ |
| 2957 | record_asynch_buffer_change (); |
| 2958 | break; |
| 2959 | } |
| 2960 | } |
| 2961 | |
| 2962 | check_visibility = 1; |
| 2963 | break; |
| 2964 | |
| 2965 | case WM_SETFOCUS: |
| 2966 | case WM_KILLFOCUS: |
| 2967 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2968 | |
| 2969 | if (msg.msg.message == WM_SETFOCUS) |
| 2970 | { |
| 2971 | x_new_focus_frame (dpyinfo, f); |
| 2972 | } |
| 2973 | else if (f == dpyinfo->w32_focus_frame) |
| 2974 | { |
| 2975 | x_new_focus_frame (dpyinfo, 0); |
| 2976 | } |
| 2977 | |
| 2978 | check_visibility = 1; |
| 2979 | break; |
| 2980 | |
| 2981 | case WM_CLOSE: |
| 2982 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2983 | |
| 2984 | if (f) |
| 2985 | { |
| 2986 | if (numchars == 0) |
| 2987 | abort (); |
| 2988 | |
| 2989 | bufp->kind = delete_window_event; |
| 2990 | XSETFRAME (bufp->frame_or_window, f); |
| 2991 | bufp++; |
| 2992 | count++; |
| 2993 | numchars--; |
| 2994 | } |
| 2995 | break; |
| 2996 | |
| 2997 | case WM_INITMENU: |
| 2998 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2999 | |
| 3000 | if (f) |
| 3001 | { |
| 3002 | if (numchars == 0) |
| 3003 | abort (); |
| 3004 | |
| 3005 | bufp->kind = menu_bar_activate_event; |
| 3006 | XSETFRAME (bufp->frame_or_window, f); |
| 3007 | bufp++; |
| 3008 | count++; |
| 3009 | numchars--; |
| 3010 | } |
| 3011 | break; |
| 3012 | |
| 3013 | case WM_COMMAND: |
| 3014 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 3015 | |
| 3016 | #if 1 |
| 3017 | if (f) |
| 3018 | { |
| 3019 | if (msg.msg.lParam == 0) |
| 3020 | { |
| 3021 | /* Came from window menu */ |
| 3022 | |
| 3023 | extern Lisp_Object get_frame_menubar_event (); |
| 3024 | Lisp_Object event = get_frame_menubar_event (f, msg.msg.wParam); |
| 3025 | struct input_event buf; |
| 3026 | Lisp_Object frame; |
| 3027 | |
| 3028 | XSETFRAME (frame, f); |
| 3029 | buf.kind = menu_bar_event; |
| 3030 | |
| 3031 | /* Store initial menu bar event */ |
| 3032 | |
| 3033 | if (!NILP (event)) |
| 3034 | { |
| 3035 | buf.frame_or_window = Fcons (frame, Fcons (Qmenu_bar, Qnil)); |
| 3036 | kbd_buffer_store_event (&buf); |
| 3037 | } |
| 3038 | |
| 3039 | /* Enqueue the events */ |
| 3040 | |
| 3041 | while (!NILP (event)) |
| 3042 | { |
| 3043 | buf.frame_or_window = Fcons (frame, XCONS (event)->car); |
| 3044 | kbd_buffer_store_event (&buf); |
| 3045 | event = XCONS (event)->cdr; |
| 3046 | } |
| 3047 | } |
| 3048 | else |
| 3049 | { |
| 3050 | /* Came from popup menu */ |
| 3051 | } |
| 3052 | } |
| 3053 | #endif |
| 3054 | |
| 3055 | check_visibility = 1; |
| 3056 | break; |
| 3057 | |
| 3058 | case WM_DISPLAYCHANGE: |
| 3059 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 3060 | |
| 3061 | if (f) |
| 3062 | { |
| 3063 | dpyinfo->width = (short) LOWORD (msg.msg.lParam); |
| 3064 | dpyinfo->height = (short) HIWORD (msg.msg.lParam); |
| 3065 | dpyinfo->n_cbits = msg.msg.wParam; |
| 3066 | DebPrint (("display change: %d %d\n", dpyinfo->width, |
| 3067 | dpyinfo->height)); |
| 3068 | } |
| 3069 | |
| 3070 | check_visibility = 1; |
| 3071 | break; |
| 3072 | } |
| 3073 | } |
| 3074 | |
| 3075 | /* If the focus was just given to an autoraising frame, |
| 3076 | raise it now. */ |
| 3077 | /* ??? This ought to be able to handle more than one such frame. */ |
| 3078 | if (pending_autoraise_frame) |
| 3079 | { |
| 3080 | x_raise_frame (pending_autoraise_frame); |
| 3081 | pending_autoraise_frame = 0; |
| 3082 | } |
| 3083 | |
| 3084 | /* Check which frames are still visisble, if we have enqueued any user |
| 3085 | events or been notified of events that may affect visibility. We |
| 3086 | do this here because there doesn't seem to be any direct |
| 3087 | notification from Windows that the visibility of a window has |
| 3088 | changed (at least, not in all cases). */ |
| 3089 | if (count > 0 || check_visibility) |
| 3090 | { |
| 3091 | Lisp_Object tail, frame; |
| 3092 | |
| 3093 | FOR_EACH_FRAME (tail, frame) |
| 3094 | { |
| 3095 | FRAME_PTR f = XFRAME (frame); |
| 3096 | /* Check "visible" frames and mark each as obscured or not. |
| 3097 | Note that async_visible is nonzero for unobscured and |
| 3098 | obscured frames, but zero for hidden and iconified frames. */ |
| 3099 | if (FRAME_W32_P (f) && f->async_visible) |
| 3100 | { |
| 3101 | RECT clipbox; |
| 3102 | HDC hdc = get_frame_dc (f); |
| 3103 | GetClipBox (hdc, &clipbox); |
| 3104 | release_frame_dc (f, hdc); |
| 3105 | |
| 3106 | if (clipbox.right == clipbox.left |
| 3107 | || clipbox.bottom == clipbox.top) |
| 3108 | { |
| 3109 | /* Frame has become completely obscured so mark as |
| 3110 | such (we do this by setting async_visible to 2 so |
| 3111 | that FRAME_VISIBLE_P is still true, but redisplay |
| 3112 | will skip it). */ |
| 3113 | f->async_visible = 2; |
| 3114 | |
| 3115 | if (!FRAME_OBSCURED_P (f)) |
| 3116 | { |
| 3117 | DebPrint (("frame %04x (%s) obscured\n", f, |
| 3118 | XSTRING (f->name)->data)); |
| 3119 | } |
| 3120 | } |
| 3121 | else |
| 3122 | { |
| 3123 | /* Frame is not obscured, so mark it as such. */ |
| 3124 | f->async_visible = 1; |
| 3125 | |
| 3126 | if (FRAME_OBSCURED_P (f)) |
| 3127 | { |
| 3128 | SET_FRAME_GARBAGED (f); |
| 3129 | DebPrint (("frame %04x (%s) reexposed\n", f, |
| 3130 | XSTRING (f->name)->data)); |
| 3131 | |
| 3132 | /* Force a redisplay sooner or later. */ |
| 3133 | record_asynch_buffer_change (); |
| 3134 | } |
| 3135 | } |
| 3136 | } |
| 3137 | } |
| 3138 | } |
| 3139 | |
| 3140 | UNBLOCK_INPUT; |
| 3141 | return count; |
| 3142 | } |
| 3143 | \f |
| 3144 | /* Drawing the cursor. */ |
| 3145 | |
| 3146 | |
| 3147 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
| 3148 | |
| 3149 | static void |
| 3150 | x_draw_box (f) |
| 3151 | struct frame *f; |
| 3152 | { |
| 3153 | RECT rect; |
| 3154 | HBRUSH hb; |
| 3155 | HDC hdc; |
| 3156 | |
| 3157 | hdc = get_frame_dc (f); |
| 3158 | |
| 3159 | hb = CreateSolidBrush (f->output_data.w32->cursor_pixel); |
| 3160 | |
| 3161 | rect.left = CHAR_TO_PIXEL_COL (f, curs_x); |
| 3162 | rect.top = CHAR_TO_PIXEL_ROW (f, curs_y); |
| 3163 | rect.right = rect.left + FONT_WIDTH (f->output_data.w32->font); |
| 3164 | rect.bottom = rect.top + f->output_data.w32->line_height; |
| 3165 | |
| 3166 | FrameRect (hdc, &rect, hb); |
| 3167 | DeleteObject (hb); |
| 3168 | |
| 3169 | release_frame_dc (f, hdc); |
| 3170 | } |
| 3171 | |
| 3172 | /* Clear the cursor of frame F to background color, |
| 3173 | and mark the cursor as not shown. |
| 3174 | This is used when the text where the cursor is |
| 3175 | is about to be rewritten. */ |
| 3176 | |
| 3177 | static void |
| 3178 | clear_cursor (f) |
| 3179 | struct frame *f; |
| 3180 | { |
| 3181 | if (! FRAME_VISIBLE_P (f) |
| 3182 | || f->phys_cursor_x < 0) |
| 3183 | return; |
| 3184 | |
| 3185 | x_display_cursor (f, 0); |
| 3186 | f->phys_cursor_x = -1; |
| 3187 | } |
| 3188 | |
| 3189 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
| 3190 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
| 3191 | glyph drawn. */ |
| 3192 | |
| 3193 | static void |
| 3194 | x_draw_single_glyph (f, row, column, glyph, highlight) |
| 3195 | struct frame *f; |
| 3196 | int row, column; |
| 3197 | GLYPH glyph; |
| 3198 | int highlight; |
| 3199 | { |
| 3200 | dumpglyphs (f, |
| 3201 | CHAR_TO_PIXEL_COL (f, column), |
| 3202 | CHAR_TO_PIXEL_ROW (f, row), |
| 3203 | &glyph, 1, highlight, 0); |
| 3204 | } |
| 3205 | |
| 3206 | static void |
| 3207 | x_display_bar_cursor (f, on) |
| 3208 | struct frame *f; |
| 3209 | int on; |
| 3210 | { |
| 3211 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
| 3212 | |
| 3213 | /* This is pointless on invisible frames, and dangerous on garbaged |
| 3214 | frames; in the latter case, the frame may be in the midst of |
| 3215 | changing its size, and curs_x and curs_y may be off the frame. */ |
| 3216 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) |
| 3217 | return; |
| 3218 | |
| 3219 | if (! on && f->phys_cursor_x < 0) |
| 3220 | return; |
| 3221 | |
| 3222 | /* If there is anything wrong with the current cursor state, remove it. */ |
| 3223 | if (f->phys_cursor_x >= 0 |
| 3224 | && (!on |
| 3225 | || f->phys_cursor_x != curs_x |
| 3226 | || f->phys_cursor_y != curs_y |
| 3227 | || f->output_data.w32->current_cursor != bar_cursor)) |
| 3228 | { |
| 3229 | /* Erase the cursor by redrawing the character underneath it. */ |
| 3230 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
| 3231 | f->phys_cursor_glyph, |
| 3232 | current_glyphs->highlight[f->phys_cursor_y]); |
| 3233 | f->phys_cursor_x = -1; |
| 3234 | } |
| 3235 | |
| 3236 | /* If we now need a cursor in the new place or in the new form, do it so. */ |
| 3237 | if (on |
| 3238 | && (f->phys_cursor_x < 0 |
| 3239 | || (f->output_data.w32->current_cursor != bar_cursor))) |
| 3240 | { |
| 3241 | f->phys_cursor_glyph |
| 3242 | = ((current_glyphs->enable[curs_y] |
| 3243 | && curs_x < current_glyphs->used[curs_y]) |
| 3244 | ? current_glyphs->glyphs[curs_y][curs_x] |
| 3245 | : SPACEGLYPH); |
| 3246 | w32_fill_area (f, NULL, f->output_data.w32->cursor_pixel, |
| 3247 | CHAR_TO_PIXEL_COL (f, curs_x), |
| 3248 | CHAR_TO_PIXEL_ROW (f, curs_y), |
| 3249 | max (f->output_data.w32->cursor_width, 1), |
| 3250 | f->output_data.w32->line_height); |
| 3251 | |
| 3252 | f->phys_cursor_x = curs_x; |
| 3253 | f->phys_cursor_y = curs_y; |
| 3254 | |
| 3255 | f->output_data.w32->current_cursor = bar_cursor; |
| 3256 | } |
| 3257 | } |
| 3258 | |
| 3259 | |
| 3260 | /* Turn the displayed cursor of frame F on or off according to ON. |
| 3261 | If ON is nonzero, where to put the cursor is specified |
| 3262 | by F->cursor_x and F->cursor_y. */ |
| 3263 | |
| 3264 | static void |
| 3265 | x_display_box_cursor (f, on) |
| 3266 | struct frame *f; |
| 3267 | int on; |
| 3268 | { |
| 3269 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
| 3270 | |
| 3271 | /* This is pointless on invisible frames, and dangerous on garbaged |
| 3272 | frames; in the latter case, the frame may be in the midst of |
| 3273 | changing its size, and curs_x and curs_y may be off the frame. */ |
| 3274 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) |
| 3275 | return; |
| 3276 | |
| 3277 | /* If cursor is off and we want it off, return quickly. */ |
| 3278 | if (!on && f->phys_cursor_x < 0) |
| 3279 | return; |
| 3280 | |
| 3281 | /* If cursor is currently being shown and we don't want it to be |
| 3282 | or it is in the wrong place, |
| 3283 | or we want a hollow box and it's not so, (pout!) |
| 3284 | erase it. */ |
| 3285 | if (f->phys_cursor_x >= 0 |
| 3286 | && (!on |
| 3287 | || f->phys_cursor_x != curs_x |
| 3288 | || f->phys_cursor_y != curs_y |
| 3289 | || (f->output_data.w32->current_cursor != hollow_box_cursor |
| 3290 | && (f != FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame)))) |
| 3291 | { |
| 3292 | int mouse_face_here = 0; |
| 3293 | struct frame_glyphs *active_glyphs = FRAME_CURRENT_GLYPHS (f); |
| 3294 | |
| 3295 | /* If the cursor is in the mouse face area, redisplay that when |
| 3296 | we clear the cursor. */ |
| 3297 | if (f == FRAME_W32_DISPLAY_INFO (f)->mouse_face_mouse_frame |
| 3298 | && (f->phys_cursor_y > FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row |
| 3299 | || (f->phys_cursor_y == FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_row |
| 3300 | && f->phys_cursor_x >= FRAME_W32_DISPLAY_INFO (f)->mouse_face_beg_col)) |
| 3301 | && (f->phys_cursor_y < FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row |
| 3302 | || (f->phys_cursor_y == FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_row |
| 3303 | && f->phys_cursor_x < FRAME_W32_DISPLAY_INFO (f)->mouse_face_end_col)) |
| 3304 | /* Don't redraw the cursor's spot in mouse face |
| 3305 | if it is at the end of a line (on a newline). |
| 3306 | The cursor appears there, but mouse highlighting does not. */ |
| 3307 | && active_glyphs->used[f->phys_cursor_y] > f->phys_cursor_x) |
| 3308 | mouse_face_here = 1; |
| 3309 | |
| 3310 | /* If the font is not as tall as a whole line, |
| 3311 | we must explicitly clear the line's whole height. */ |
| 3312 | if (FONT_HEIGHT (f->output_data.w32->font) != f->output_data.w32->line_height) |
| 3313 | w32_clear_area (f, NULL, |
| 3314 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
| 3315 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), |
| 3316 | FONT_WIDTH (f->output_data.w32->font), |
| 3317 | f->output_data.w32->line_height); |
| 3318 | /* Erase the cursor by redrawing the character underneath it. */ |
| 3319 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
| 3320 | f->phys_cursor_glyph, |
| 3321 | (mouse_face_here |
| 3322 | ? 3 |
| 3323 | : current_glyphs->highlight[f->phys_cursor_y])); |
| 3324 | f->phys_cursor_x = -1; |
| 3325 | } |
| 3326 | |
| 3327 | /* If we want to show a cursor, |
| 3328 | or we want a box cursor and it's not so, |
| 3329 | write it in the right place. */ |
| 3330 | if (on |
| 3331 | && (f->phys_cursor_x < 0 |
| 3332 | || (f->output_data.w32->current_cursor != filled_box_cursor |
| 3333 | && f == FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame))) |
| 3334 | { |
| 3335 | f->phys_cursor_glyph |
| 3336 | = ((current_glyphs->enable[curs_y] |
| 3337 | && curs_x < current_glyphs->used[curs_y]) |
| 3338 | ? current_glyphs->glyphs[curs_y][curs_x] |
| 3339 | : SPACEGLYPH); |
| 3340 | if (f != FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame) |
| 3341 | { |
| 3342 | x_draw_box (f); |
| 3343 | f->output_data.w32->current_cursor = hollow_box_cursor; |
| 3344 | } |
| 3345 | else |
| 3346 | { |
| 3347 | x_draw_single_glyph (f, curs_y, curs_x, |
| 3348 | f->phys_cursor_glyph, 2); |
| 3349 | f->output_data.w32->current_cursor = filled_box_cursor; |
| 3350 | } |
| 3351 | |
| 3352 | f->phys_cursor_x = curs_x; |
| 3353 | f->phys_cursor_y = curs_y; |
| 3354 | } |
| 3355 | } |
| 3356 | |
| 3357 | /* Display the cursor on frame F, or clear it, according to ON. |
| 3358 | Use the position specified by curs_x and curs_y |
| 3359 | if we are doing an update of frame F now. |
| 3360 | Otherwise use the position in the FRAME_CURSOR_X and FRAME_CURSOR_Y fields |
| 3361 | of F. */ |
| 3362 | |
| 3363 | x_display_cursor (f, on) |
| 3364 | struct frame *f; |
| 3365 | int on; |
| 3366 | { |
| 3367 | BLOCK_INPUT; |
| 3368 | |
| 3369 | /* If we're not updating, then we want to use the current frame's |
| 3370 | cursor position, not our local idea of where the cursor ought to be. */ |
| 3371 | if (f != updating_frame) |
| 3372 | { |
| 3373 | curs_x = FRAME_CURSOR_X (f); |
| 3374 | curs_y = FRAME_CURSOR_Y (f); |
| 3375 | } |
| 3376 | |
| 3377 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
| 3378 | x_display_box_cursor (f, on); |
| 3379 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
| 3380 | x_display_bar_cursor (f, on); |
| 3381 | else |
| 3382 | /* Those are the only two we have implemented! */ |
| 3383 | abort (); |
| 3384 | |
| 3385 | UNBLOCK_INPUT; |
| 3386 | } |
| 3387 | \f |
| 3388 | /* Changing the font of the frame. */ |
| 3389 | |
| 3390 | /* Give frame F the font named FONTNAME as its default font, and |
| 3391 | return the full name of that font. FONTNAME may be a wildcard |
| 3392 | pattern; in that case, we choose some font that fits the pattern. |
| 3393 | The return value shows which font we chose. */ |
| 3394 | |
| 3395 | Lisp_Object |
| 3396 | x_new_font (f, fontname) |
| 3397 | struct frame *f; |
| 3398 | register char *fontname; |
| 3399 | { |
| 3400 | int already_loaded; |
| 3401 | int n_matching_fonts; |
| 3402 | XFontStruct *font_info; |
| 3403 | char new_font_name[101]; |
| 3404 | |
| 3405 | /* Get a font which matches this name */ |
| 3406 | { |
| 3407 | LOGFONT lf; |
| 3408 | |
| 3409 | if (!x_to_w32_font(fontname, &lf) |
| 3410 | || !w32_to_x_font(&lf, new_font_name, 100)) |
| 3411 | { |
| 3412 | return Qnil; |
| 3413 | } |
| 3414 | } |
| 3415 | |
| 3416 | /* See if we've already loaded a matching font. */ |
| 3417 | already_loaded = -1; |
| 3418 | |
| 3419 | { |
| 3420 | int i; |
| 3421 | |
| 3422 | for (i = 0; i < FRAME_W32_DISPLAY_INFO (f)->n_fonts; i++) |
| 3423 | if (!strcmp (FRAME_W32_DISPLAY_INFO (f)->font_table[i].name, new_font_name)) |
| 3424 | { |
| 3425 | already_loaded = i; |
| 3426 | fontname = FRAME_W32_DISPLAY_INFO (f)->font_table[i].name; |
| 3427 | break; |
| 3428 | } |
| 3429 | } |
| 3430 | |
| 3431 | /* If we have, just return it from the table. */ |
| 3432 | if (already_loaded >= 0) |
| 3433 | f->output_data.w32->font = FRAME_W32_DISPLAY_INFO (f)->font_table[already_loaded].font; |
| 3434 | /* Otherwise, load the font and add it to the table. */ |
| 3435 | else |
| 3436 | { |
| 3437 | XFontStruct *font; |
| 3438 | int n_fonts; |
| 3439 | |
| 3440 | font = w32_load_font(FRAME_W32_DISPLAY_INFO (f), fontname); |
| 3441 | |
| 3442 | if (! font) |
| 3443 | { |
| 3444 | return Qnil; |
| 3445 | } |
| 3446 | |
| 3447 | /* Do we need to create the table? */ |
| 3448 | if (FRAME_W32_DISPLAY_INFO (f)->font_table_size == 0) |
| 3449 | { |
| 3450 | FRAME_W32_DISPLAY_INFO (f)->font_table_size = 16; |
| 3451 | FRAME_W32_DISPLAY_INFO (f)->font_table |
| 3452 | = (struct font_info *) xmalloc (FRAME_W32_DISPLAY_INFO (f)->font_table_size |
| 3453 | * sizeof (struct font_info)); |
| 3454 | } |
| 3455 | /* Do we need to grow the table? */ |
| 3456 | else if (FRAME_W32_DISPLAY_INFO (f)->n_fonts |
| 3457 | >= FRAME_W32_DISPLAY_INFO (f)->font_table_size) |
| 3458 | { |
| 3459 | FRAME_W32_DISPLAY_INFO (f)->font_table_size *= 2; |
| 3460 | FRAME_W32_DISPLAY_INFO (f)->font_table |
| 3461 | = (struct font_info *) xrealloc (FRAME_W32_DISPLAY_INFO (f)->font_table, |
| 3462 | (FRAME_W32_DISPLAY_INFO (f)->font_table_size |
| 3463 | * sizeof (struct font_info))); |
| 3464 | } |
| 3465 | |
| 3466 | n_fonts = FRAME_W32_DISPLAY_INFO (f)->n_fonts; |
| 3467 | FRAME_W32_DISPLAY_INFO (f)->font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); |
| 3468 | bcopy (fontname, FRAME_W32_DISPLAY_INFO (f)->font_table[n_fonts].name, strlen (fontname) + 1); |
| 3469 | f->output_data.w32->font = FRAME_W32_DISPLAY_INFO (f)->font_table[n_fonts].font = font; |
| 3470 | FRAME_W32_DISPLAY_INFO (f)->n_fonts++; |
| 3471 | } |
| 3472 | |
| 3473 | /* Compute the scroll bar width in character columns. */ |
| 3474 | if (f->scroll_bar_pixel_width > 0) |
| 3475 | { |
| 3476 | int wid = FONT_WIDTH (f->output_data.w32->font); |
| 3477 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; |
| 3478 | } |
| 3479 | else |
| 3480 | f->scroll_bar_cols = 2; |
| 3481 | |
| 3482 | /* Now make the frame display the given font. */ |
| 3483 | if (FRAME_W32_WINDOW (f) != 0) |
| 3484 | { |
| 3485 | frame_update_line_height (f); |
| 3486 | x_set_window_size (f, 0, f->width, f->height); |
| 3487 | } |
| 3488 | else |
| 3489 | /* If we are setting a new frame's font for the first time, |
| 3490 | there are no faces yet, so this font's height is the line height. */ |
| 3491 | f->output_data.w32->line_height = FONT_HEIGHT (f->output_data.w32->font); |
| 3492 | |
| 3493 | { |
| 3494 | Lisp_Object lispy_name; |
| 3495 | |
| 3496 | lispy_name = build_string (fontname); |
| 3497 | |
| 3498 | return lispy_name; |
| 3499 | } |
| 3500 | } |
| 3501 | \f |
| 3502 | /* Calculate the absolute position in frame F |
| 3503 | from its current recorded position values and gravity. */ |
| 3504 | |
| 3505 | x_calc_absolute_position (f) |
| 3506 | struct frame *f; |
| 3507 | { |
| 3508 | Window win, child; |
| 3509 | POINT pt; |
| 3510 | int flags = f->output_data.w32->size_hint_flags; |
| 3511 | |
| 3512 | pt.x = pt.y = 0; |
| 3513 | |
| 3514 | /* Find the position of the outside upper-left corner of |
| 3515 | the inner window, with respect to the outer window. */ |
| 3516 | if (f->output_data.w32->parent_desc != FRAME_W32_DISPLAY_INFO (f)->root_window) |
| 3517 | { |
| 3518 | BLOCK_INPUT; |
| 3519 | MapWindowPoints (FRAME_W32_WINDOW (f), |
| 3520 | f->output_data.w32->parent_desc, |
| 3521 | &pt, 1); |
| 3522 | UNBLOCK_INPUT; |
| 3523 | } |
| 3524 | |
| 3525 | { |
| 3526 | RECT rt; |
| 3527 | rt.left = rt.right = rt.top = rt.bottom = 0; |
| 3528 | |
| 3529 | BLOCK_INPUT; |
| 3530 | AdjustWindowRect(&rt, f->output_data.w32->dwStyle, |
| 3531 | FRAME_EXTERNAL_MENU_BAR (f)); |
| 3532 | UNBLOCK_INPUT; |
| 3533 | |
| 3534 | pt.x += (rt.right - rt.left); |
| 3535 | pt.y += (rt.bottom - rt.top); |
| 3536 | } |
| 3537 | |
| 3538 | /* Treat negative positions as relative to the leftmost bottommost |
| 3539 | position that fits on the screen. */ |
| 3540 | if (flags & XNegative) |
| 3541 | f->output_data.w32->left_pos = (FRAME_W32_DISPLAY_INFO (f)->width |
| 3542 | - 2 * f->output_data.w32->border_width - pt.x |
| 3543 | - PIXEL_WIDTH (f) |
| 3544 | + f->output_data.w32->left_pos); |
| 3545 | |
| 3546 | if (flags & YNegative) |
| 3547 | f->output_data.w32->top_pos = (FRAME_W32_DISPLAY_INFO (f)->height |
| 3548 | - 2 * f->output_data.w32->border_width - pt.y |
| 3549 | - PIXEL_HEIGHT (f) |
| 3550 | + f->output_data.w32->top_pos); |
| 3551 | /* The left_pos and top_pos |
| 3552 | are now relative to the top and left screen edges, |
| 3553 | so the flags should correspond. */ |
| 3554 | f->output_data.w32->size_hint_flags &= ~ (XNegative | YNegative); |
| 3555 | } |
| 3556 | |
| 3557 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
| 3558 | to really change the position, and 0 when calling from |
| 3559 | x_make_frame_visible (in that case, XOFF and YOFF are the current |
| 3560 | position values). It is -1 when calling from x_set_frame_parameters, |
| 3561 | which means, do adjust for borders but don't change the gravity. */ |
| 3562 | |
| 3563 | x_set_offset (f, xoff, yoff, change_gravity) |
| 3564 | struct frame *f; |
| 3565 | register int xoff, yoff; |
| 3566 | int change_gravity; |
| 3567 | { |
| 3568 | int modified_top, modified_left; |
| 3569 | |
| 3570 | if (change_gravity > 0) |
| 3571 | { |
| 3572 | f->output_data.w32->top_pos = yoff; |
| 3573 | f->output_data.w32->left_pos = xoff; |
| 3574 | f->output_data.w32->size_hint_flags &= ~ (XNegative | YNegative); |
| 3575 | if (xoff < 0) |
| 3576 | f->output_data.w32->size_hint_flags |= XNegative; |
| 3577 | if (yoff < 0) |
| 3578 | f->output_data.w32->size_hint_flags |= YNegative; |
| 3579 | f->output_data.w32->win_gravity = NorthWestGravity; |
| 3580 | } |
| 3581 | x_calc_absolute_position (f); |
| 3582 | |
| 3583 | BLOCK_INPUT; |
| 3584 | x_wm_set_size_hint (f, (long) 0, 0); |
| 3585 | |
| 3586 | /* It is a mystery why we need to add the border_width here |
| 3587 | when the frame is already visible, but experiment says we do. */ |
| 3588 | modified_left = f->output_data.w32->left_pos; |
| 3589 | modified_top = f->output_data.w32->top_pos; |
| 3590 | #ifndef HAVE_NTGUI |
| 3591 | /* Do not add in border widths under W32. */ |
| 3592 | if (change_gravity != 0) |
| 3593 | { |
| 3594 | modified_left += f->output_data.w32->border_width; |
| 3595 | modified_top += f->output_data.w32->border_width; |
| 3596 | } |
| 3597 | #endif |
| 3598 | |
| 3599 | my_set_window_pos (FRAME_W32_WINDOW (f), |
| 3600 | NULL, |
| 3601 | modified_left, modified_top, |
| 3602 | 0,0, |
| 3603 | SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE); |
| 3604 | UNBLOCK_INPUT; |
| 3605 | } |
| 3606 | |
| 3607 | /* Call this to change the size of frame F's x-window. |
| 3608 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity |
| 3609 | for this size change and subsequent size changes. |
| 3610 | Otherwise we leave the window gravity unchanged. */ |
| 3611 | |
| 3612 | x_set_window_size (f, change_gravity, cols, rows) |
| 3613 | struct frame *f; |
| 3614 | int change_gravity; |
| 3615 | int cols, rows; |
| 3616 | { |
| 3617 | int pixelwidth, pixelheight; |
| 3618 | Lisp_Object window; |
| 3619 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
| 3620 | |
| 3621 | BLOCK_INPUT; |
| 3622 | |
| 3623 | check_frame_size (f, &rows, &cols); |
| 3624 | f->output_data.w32->vertical_scroll_bar_extra |
| 3625 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
| 3626 | ? 0 |
| 3627 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 |
| 3628 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
| 3629 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.w32->font))); |
| 3630 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
| 3631 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); |
| 3632 | |
| 3633 | f->output_data.w32->win_gravity = NorthWestGravity; |
| 3634 | x_wm_set_size_hint (f, (long) 0, 0); |
| 3635 | |
| 3636 | { |
| 3637 | RECT rect; |
| 3638 | |
| 3639 | rect.left = rect.top = 0; |
| 3640 | rect.right = pixelwidth; |
| 3641 | rect.bottom = pixelheight; |
| 3642 | |
| 3643 | AdjustWindowRect(&rect, f->output_data.w32->dwStyle, |
| 3644 | FRAME_EXTERNAL_MENU_BAR (f)); |
| 3645 | |
| 3646 | my_set_window_pos (FRAME_W32_WINDOW (f), |
| 3647 | NULL, |
| 3648 | 0, 0, |
| 3649 | rect.right - rect.left, |
| 3650 | rect.bottom - rect.top, |
| 3651 | SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE); |
| 3652 | } |
| 3653 | |
| 3654 | /* Now, strictly speaking, we can't be sure that this is accurate, |
| 3655 | but the window manager will get around to dealing with the size |
| 3656 | change request eventually, and we'll hear how it went when the |
| 3657 | ConfigureNotify event gets here. |
| 3658 | |
| 3659 | We could just not bother storing any of this information here, |
| 3660 | and let the ConfigureNotify event set everything up, but that |
| 3661 | might be kind of confusing to the lisp code, since size changes |
| 3662 | wouldn't be reported in the frame parameters until some random |
| 3663 | point in the future when the ConfigureNotify event arrives. */ |
| 3664 | change_frame_size (f, rows, cols, 0, 0); |
| 3665 | PIXEL_WIDTH (f) = pixelwidth; |
| 3666 | PIXEL_HEIGHT (f) = pixelheight; |
| 3667 | |
| 3668 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
| 3669 | receive in the ConfigureNotify event; if we get what we asked |
| 3670 | for, then the event won't cause the screen to become garbaged, so |
| 3671 | we have to make sure to do it here. */ |
| 3672 | SET_FRAME_GARBAGED (f); |
| 3673 | |
| 3674 | /* If cursor was outside the new size, mark it as off. */ |
| 3675 | if (f->phys_cursor_y >= rows |
| 3676 | || f->phys_cursor_x >= cols) |
| 3677 | { |
| 3678 | f->phys_cursor_x = -1; |
| 3679 | f->phys_cursor_y = -1; |
| 3680 | } |
| 3681 | |
| 3682 | /* Clear out any recollection of where the mouse highlighting was, |
| 3683 | since it might be in a place that's outside the new frame size. |
| 3684 | Actually checking whether it is outside is a pain in the neck, |
| 3685 | so don't try--just let the highlighting be done afresh with new size. */ |
| 3686 | window = dpyinfo->mouse_face_window; |
| 3687 | if (! NILP (window) && XFRAME (window) == f) |
| 3688 | { |
| 3689 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
| 3690 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; |
| 3691 | dpyinfo->mouse_face_window = Qnil; |
| 3692 | } |
| 3693 | |
| 3694 | UNBLOCK_INPUT; |
| 3695 | } |
| 3696 | \f |
| 3697 | /* Mouse warping. */ |
| 3698 | |
| 3699 | void |
| 3700 | x_set_mouse_pixel_position (f, pix_x, pix_y) |
| 3701 | struct frame *f; |
| 3702 | int pix_x, pix_y; |
| 3703 | { |
| 3704 | RECT rect; |
| 3705 | POINT pt; |
| 3706 | |
| 3707 | BLOCK_INPUT; |
| 3708 | |
| 3709 | GetClientRect (FRAME_W32_WINDOW (f), &rect); |
| 3710 | pt.x = rect.left + pix_x; |
| 3711 | pt.y = rect.top + pix_y; |
| 3712 | ClientToScreen (FRAME_W32_WINDOW (f), &pt); |
| 3713 | |
| 3714 | SetCursorPos (pt.x, pt.y); |
| 3715 | |
| 3716 | UNBLOCK_INPUT; |
| 3717 | } |
| 3718 | |
| 3719 | void |
| 3720 | x_set_mouse_position (f, x, y) |
| 3721 | struct frame *f; |
| 3722 | int x, y; |
| 3723 | { |
| 3724 | int pix_x, pix_y; |
| 3725 | |
| 3726 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.w32->font) / 2; |
| 3727 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.w32->line_height / 2; |
| 3728 | |
| 3729 | if (pix_x < 0) pix_x = 0; |
| 3730 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); |
| 3731 | |
| 3732 | if (pix_y < 0) pix_y = 0; |
| 3733 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); |
| 3734 | |
| 3735 | x_set_mouse_pixel_position (f, pix_x, pix_y); |
| 3736 | } |
| 3737 | \f |
| 3738 | /* focus shifting, raising and lowering. */ |
| 3739 | |
| 3740 | x_focus_on_frame (f) |
| 3741 | struct frame *f; |
| 3742 | { |
| 3743 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
| 3744 | |
| 3745 | /* Give input focus to frame. */ |
| 3746 | BLOCK_INPUT; |
| 3747 | #if 0 |
| 3748 | /* Try not to change its Z-order if possible. */ |
| 3749 | if (x_window_to_frame (dpyinfo, GetForegroundWindow ())) |
| 3750 | my_set_focus (f, FRAME_W32_WINDOW (f)); |
| 3751 | else |
| 3752 | #endif |
| 3753 | SetForegroundWindow (FRAME_W32_WINDOW (f)); |
| 3754 | UNBLOCK_INPUT; |
| 3755 | } |
| 3756 | |
| 3757 | x_unfocus_frame (f) |
| 3758 | struct frame *f; |
| 3759 | { |
| 3760 | } |
| 3761 | |
| 3762 | /* Raise frame F. */ |
| 3763 | |
| 3764 | x_raise_frame (f) |
| 3765 | struct frame *f; |
| 3766 | { |
| 3767 | BLOCK_INPUT; |
| 3768 | |
| 3769 | /* Strictly speaking, raise-frame should only change the frame's Z |
| 3770 | order, leaving input focus unchanged. This is reasonable behaviour |
| 3771 | on X where the usual policy is point-to-focus. However, this |
| 3772 | behaviour would be very odd on Windows where the usual policy is |
| 3773 | click-to-focus. |
| 3774 | |
| 3775 | On X, if the mouse happens to be over the raised frame, it gets |
| 3776 | input focus anyway (so the window with focus will never be |
| 3777 | completely obscured) - if not, then just moving the mouse over it |
| 3778 | is sufficient to give it focus. On Windows, the user must actually |
| 3779 | click on the frame (preferrably the title bar so as not to move |
| 3780 | point), which is more awkward. Also, no other Windows program |
| 3781 | raises a window to the top but leaves another window (possibly now |
| 3782 | completely obscured) with input focus. |
| 3783 | |
| 3784 | Because there is a system setting on Windows that allows the user |
| 3785 | to choose the point to focus policy, we make the strict semantics |
| 3786 | optional, but by default we grab focus when raising. */ |
| 3787 | |
| 3788 | if (NILP (Vw32_grab_focus_on_raise)) |
| 3789 | { |
| 3790 | /* The obvious call to my_set_window_pos doesn't work if Emacs is |
| 3791 | not already the foreground application: the frame is raised |
| 3792 | above all other frames belonging to us, but not above the |
| 3793 | current top window. To achieve that, we have to resort to this |
| 3794 | more cumbersome method. */ |
| 3795 | |
| 3796 | HDWP handle = BeginDeferWindowPos (2); |
| 3797 | if (handle) |
| 3798 | { |
| 3799 | DeferWindowPos (handle, |
| 3800 | FRAME_W32_WINDOW (f), |
| 3801 | HWND_TOP, |
| 3802 | 0, 0, 0, 0, |
| 3803 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); |
| 3804 | |
| 3805 | DeferWindowPos (handle, |
| 3806 | GetForegroundWindow (), |
| 3807 | FRAME_W32_WINDOW (f), |
| 3808 | 0, 0, 0, 0, |
| 3809 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); |
| 3810 | |
| 3811 | EndDeferWindowPos (handle); |
| 3812 | } |
| 3813 | } |
| 3814 | else |
| 3815 | { |
| 3816 | SetForegroundWindow (FRAME_W32_WINDOW (f)); |
| 3817 | } |
| 3818 | |
| 3819 | UNBLOCK_INPUT; |
| 3820 | } |
| 3821 | |
| 3822 | /* Lower frame F. */ |
| 3823 | |
| 3824 | x_lower_frame (f) |
| 3825 | struct frame *f; |
| 3826 | { |
| 3827 | BLOCK_INPUT; |
| 3828 | my_set_window_pos (FRAME_W32_WINDOW (f), |
| 3829 | HWND_BOTTOM, |
| 3830 | 0, 0, 0, 0, |
| 3831 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); |
| 3832 | UNBLOCK_INPUT; |
| 3833 | } |
| 3834 | |
| 3835 | static void |
| 3836 | w32_frame_raise_lower (f, raise) |
| 3837 | FRAME_PTR f; |
| 3838 | int raise; |
| 3839 | { |
| 3840 | if (raise) |
| 3841 | x_raise_frame (f); |
| 3842 | else |
| 3843 | x_lower_frame (f); |
| 3844 | } |
| 3845 | \f |
| 3846 | /* Change of visibility. */ |
| 3847 | |
| 3848 | /* This tries to wait until the frame is really visible. |
| 3849 | However, if the window manager asks the user where to position |
| 3850 | the frame, this will return before the user finishes doing that. |
| 3851 | The frame will not actually be visible at that time, |
| 3852 | but it will become visible later when the window manager |
| 3853 | finishes with it. */ |
| 3854 | |
| 3855 | x_make_frame_visible (f) |
| 3856 | struct frame *f; |
| 3857 | { |
| 3858 | BLOCK_INPUT; |
| 3859 | |
| 3860 | if (! FRAME_VISIBLE_P (f)) |
| 3861 | { |
| 3862 | /* We test FRAME_GARBAGED_P here to make sure we don't |
| 3863 | call x_set_offset a second time |
| 3864 | if we get to x_make_frame_visible a second time |
| 3865 | before the window gets really visible. */ |
| 3866 | if (! FRAME_ICONIFIED_P (f) |
| 3867 | && ! f->output_data.w32->asked_for_visible) |
| 3868 | x_set_offset (f, f->output_data.w32->left_pos, f->output_data.w32->top_pos, 0); |
| 3869 | |
| 3870 | f->output_data.w32->asked_for_visible = 1; |
| 3871 | |
| 3872 | // my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); |
| 3873 | my_show_window (f, FRAME_W32_WINDOW (f), SW_SHOWNORMAL); |
| 3874 | } |
| 3875 | |
| 3876 | /* Synchronize to ensure Emacs knows the frame is visible |
| 3877 | before we do anything else. We do this loop with input not blocked |
| 3878 | so that incoming events are handled. */ |
| 3879 | { |
| 3880 | Lisp_Object frame; |
| 3881 | int count = input_signal_count; |
| 3882 | |
| 3883 | /* This must come after we set COUNT. */ |
| 3884 | UNBLOCK_INPUT; |
| 3885 | |
| 3886 | XSETFRAME (frame, f); |
| 3887 | |
| 3888 | while (1) |
| 3889 | { |
| 3890 | /* Once we have handled input events, |
| 3891 | we should have received the MapNotify if one is coming. |
| 3892 | So if we have not got it yet, stop looping. |
| 3893 | Some window managers make their own decisions |
| 3894 | about visibility. */ |
| 3895 | if (input_signal_count != count) |
| 3896 | break; |
| 3897 | /* Machines that do polling rather than SIGIO have been observed |
| 3898 | to go into a busy-wait here. So we'll fake an alarm signal |
| 3899 | to let the handler know that there's something to be read. |
| 3900 | We used to raise a real alarm, but it seems that the handler |
| 3901 | isn't always enabled here. This is probably a bug. */ |
| 3902 | if (input_polling_used ()) |
| 3903 | { |
| 3904 | /* It could be confusing if a real alarm arrives while processing |
| 3905 | the fake one. Turn it off and let the handler reset it. */ |
| 3906 | alarm (0); |
| 3907 | input_poll_signal (); |
| 3908 | } |
| 3909 | /* Once we have handled input events, |
| 3910 | we should have received the MapNotify if one is coming. |
| 3911 | So if we have not got it yet, stop looping. |
| 3912 | Some window managers make their own decisions |
| 3913 | about visibility. */ |
| 3914 | if (input_signal_count != count) |
| 3915 | break; |
| 3916 | } |
| 3917 | FRAME_SAMPLE_VISIBILITY (f); |
| 3918 | } |
| 3919 | } |
| 3920 | |
| 3921 | /* Change from mapped state to withdrawn state. */ |
| 3922 | |
| 3923 | /* Make the frame visible (mapped and not iconified). */ |
| 3924 | |
| 3925 | x_make_frame_invisible (f) |
| 3926 | struct frame *f; |
| 3927 | { |
| 3928 | Window window; |
| 3929 | |
| 3930 | /* Don't keep the highlight on an invisible frame. */ |
| 3931 | if (FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame == f) |
| 3932 | FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame = 0; |
| 3933 | |
| 3934 | BLOCK_INPUT; |
| 3935 | |
| 3936 | my_show_window (f, FRAME_W32_WINDOW (f), SW_HIDE); |
| 3937 | |
| 3938 | /* We can't distinguish this from iconification |
| 3939 | just by the event that we get from the server. |
| 3940 | So we can't win using the usual strategy of letting |
| 3941 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, |
| 3942 | and synchronize with the server to make sure we agree. */ |
| 3943 | f->visible = 0; |
| 3944 | FRAME_ICONIFIED_P (f) = 0; |
| 3945 | f->async_visible = 0; |
| 3946 | f->async_iconified = 0; |
| 3947 | |
| 3948 | UNBLOCK_INPUT; |
| 3949 | } |
| 3950 | |
| 3951 | /* Change window state from mapped to iconified. */ |
| 3952 | |
| 3953 | void |
| 3954 | x_iconify_frame (f) |
| 3955 | struct frame *f; |
| 3956 | { |
| 3957 | int result; |
| 3958 | |
| 3959 | /* Don't keep the highlight on an invisible frame. */ |
| 3960 | if (FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame == f) |
| 3961 | FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame = 0; |
| 3962 | |
| 3963 | if (f->async_iconified) |
| 3964 | return; |
| 3965 | |
| 3966 | BLOCK_INPUT; |
| 3967 | |
| 3968 | /* Simulate the user minimizing the frame. */ |
| 3969 | PostMessage (FRAME_W32_WINDOW (f), WM_SYSCOMMAND, SC_MINIMIZE, 0); |
| 3970 | |
| 3971 | f->async_iconified = 1; |
| 3972 | |
| 3973 | UNBLOCK_INPUT; |
| 3974 | } |
| 3975 | \f |
| 3976 | /* Destroy the window of frame F. */ |
| 3977 | |
| 3978 | x_destroy_window (f) |
| 3979 | struct frame *f; |
| 3980 | { |
| 3981 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
| 3982 | |
| 3983 | BLOCK_INPUT; |
| 3984 | |
| 3985 | my_destroy_window (f, FRAME_W32_WINDOW (f)); |
| 3986 | free_frame_menubar (f); |
| 3987 | free_frame_faces (f); |
| 3988 | |
| 3989 | xfree (f->output_data.w32); |
| 3990 | f->output_data.w32 = 0; |
| 3991 | if (f == dpyinfo->w32_focus_frame) |
| 3992 | dpyinfo->w32_focus_frame = 0; |
| 3993 | if (f == dpyinfo->w32_focus_event_frame) |
| 3994 | dpyinfo->w32_focus_event_frame = 0; |
| 3995 | if (f == dpyinfo->w32_highlight_frame) |
| 3996 | dpyinfo->w32_highlight_frame = 0; |
| 3997 | |
| 3998 | dpyinfo->reference_count--; |
| 3999 | |
| 4000 | if (f == dpyinfo->mouse_face_mouse_frame) |
| 4001 | { |
| 4002 | dpyinfo->mouse_face_beg_row |
| 4003 | = dpyinfo->mouse_face_beg_col = -1; |
| 4004 | dpyinfo->mouse_face_end_row |
| 4005 | = dpyinfo->mouse_face_end_col = -1; |
| 4006 | dpyinfo->mouse_face_window = Qnil; |
| 4007 | } |
| 4008 | |
| 4009 | UNBLOCK_INPUT; |
| 4010 | } |
| 4011 | \f |
| 4012 | /* Setting window manager hints. */ |
| 4013 | |
| 4014 | /* Set the normal size hints for the window manager, for frame F. |
| 4015 | FLAGS is the flags word to use--or 0 meaning preserve the flags |
| 4016 | that the window now has. |
| 4017 | If USER_POSITION is nonzero, we set the USPosition |
| 4018 | flag (this is useful when FLAGS is 0). */ |
| 4019 | |
| 4020 | x_wm_set_size_hint (f, flags, user_position) |
| 4021 | struct frame *f; |
| 4022 | long flags; |
| 4023 | int user_position; |
| 4024 | { |
| 4025 | Window window = FRAME_W32_WINDOW (f); |
| 4026 | |
| 4027 | flexlines = f->height; |
| 4028 | |
| 4029 | enter_crit (); |
| 4030 | |
| 4031 | SetWindowLong (window, WND_FONTWIDTH_INDEX, FONT_WIDTH (f->output_data.w32->font)); |
| 4032 | SetWindowLong (window, WND_LINEHEIGHT_INDEX, f->output_data.w32->line_height); |
| 4033 | SetWindowLong (window, WND_BORDER_INDEX, f->output_data.w32->internal_border_width); |
| 4034 | SetWindowLong (window, WND_SCROLLBAR_INDEX, f->output_data.w32->vertical_scroll_bar_extra); |
| 4035 | |
| 4036 | leave_crit (); |
| 4037 | } |
| 4038 | |
| 4039 | /* Window manager things */ |
| 4040 | x_wm_set_icon_position (f, icon_x, icon_y) |
| 4041 | struct frame *f; |
| 4042 | int icon_x, icon_y; |
| 4043 | { |
| 4044 | #if 0 |
| 4045 | Window window = FRAME_W32_WINDOW (f); |
| 4046 | |
| 4047 | f->display.x->wm_hints.flags |= IconPositionHint; |
| 4048 | f->display.x->wm_hints.icon_x = icon_x; |
| 4049 | f->display.x->wm_hints.icon_y = icon_y; |
| 4050 | |
| 4051 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
| 4052 | #endif |
| 4053 | } |
| 4054 | |
| 4055 | \f |
| 4056 | /* Initialization. */ |
| 4057 | |
| 4058 | #ifdef USE_X_TOOLKIT |
| 4059 | static XrmOptionDescRec emacs_options[] = { |
| 4060 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, |
| 4061 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, |
| 4062 | |
| 4063 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", |
| 4064 | XrmoptionSepArg, NULL}, |
| 4065 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, |
| 4066 | |
| 4067 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, |
| 4068 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, |
| 4069 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, |
| 4070 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, |
| 4071 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, |
| 4072 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, |
| 4073 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} |
| 4074 | }; |
| 4075 | #endif /* USE_X_TOOLKIT */ |
| 4076 | |
| 4077 | static int w32_initialized = 0; |
| 4078 | |
| 4079 | struct w32_display_info * |
| 4080 | w32_term_init (display_name, xrm_option, resource_name) |
| 4081 | Lisp_Object display_name; |
| 4082 | char *xrm_option; |
| 4083 | char *resource_name; |
| 4084 | { |
| 4085 | Lisp_Object frame; |
| 4086 | char *defaultvalue; |
| 4087 | struct w32_display_info *dpyinfo; |
| 4088 | HDC hdc; |
| 4089 | |
| 4090 | BLOCK_INPUT; |
| 4091 | |
| 4092 | if (!w32_initialized) |
| 4093 | { |
| 4094 | w32_initialize (); |
| 4095 | w32_initialized = 1; |
| 4096 | } |
| 4097 | |
| 4098 | { |
| 4099 | int argc = 0; |
| 4100 | char *argv[3]; |
| 4101 | |
| 4102 | argv[0] = ""; |
| 4103 | argc = 1; |
| 4104 | if (xrm_option) |
| 4105 | { |
| 4106 | argv[argc++] = "-xrm"; |
| 4107 | argv[argc++] = xrm_option; |
| 4108 | } |
| 4109 | } |
| 4110 | |
| 4111 | dpyinfo = &one_w32_display_info; |
| 4112 | |
| 4113 | /* Put this display on the chain. */ |
| 4114 | dpyinfo->next = NULL; |
| 4115 | |
| 4116 | /* Put it on w32_display_name_list as well, to keep them parallel. */ |
| 4117 | w32_display_name_list = Fcons (Fcons (display_name, Qnil), |
| 4118 | w32_display_name_list); |
| 4119 | dpyinfo->name_list_element = XCONS (w32_display_name_list)->car; |
| 4120 | |
| 4121 | dpyinfo->w32_id_name |
| 4122 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
| 4123 | + XSTRING (Vsystem_name)->size |
| 4124 | + 2); |
| 4125 | sprintf (dpyinfo->w32_id_name, "%s@%s", |
| 4126 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); |
| 4127 | |
| 4128 | #if 0 |
| 4129 | xrdb = x_load_resources (dpyinfo->display, xrm_option, |
| 4130 | resource_name, EMACS_CLASS); |
| 4131 | |
| 4132 | /* Put the rdb where we can find it in a way that works on |
| 4133 | all versions. */ |
| 4134 | dpyinfo->xrdb = xrdb; |
| 4135 | #endif |
| 4136 | hdc = GetDC (GetDesktopWindow ()); |
| 4137 | |
| 4138 | dpyinfo->height = GetDeviceCaps (hdc, VERTRES); |
| 4139 | dpyinfo->width = GetDeviceCaps (hdc, HORZRES); |
| 4140 | dpyinfo->root_window = GetDesktopWindow (); |
| 4141 | dpyinfo->n_planes = GetDeviceCaps (hdc, PLANES); |
| 4142 | dpyinfo->n_cbits = GetDeviceCaps (hdc, BITSPIXEL); |
| 4143 | dpyinfo->height_in = GetDeviceCaps (hdc, LOGPIXELSX); |
| 4144 | dpyinfo->width_in = GetDeviceCaps (hdc, LOGPIXELSY); |
| 4145 | dpyinfo->has_palette = GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE; |
| 4146 | dpyinfo->grabbed = 0; |
| 4147 | dpyinfo->reference_count = 0; |
| 4148 | dpyinfo->n_fonts = 0; |
| 4149 | dpyinfo->font_table_size = 0; |
| 4150 | dpyinfo->bitmaps = 0; |
| 4151 | dpyinfo->bitmaps_size = 0; |
| 4152 | dpyinfo->bitmaps_last = 0; |
| 4153 | dpyinfo->mouse_face_mouse_frame = 0; |
| 4154 | dpyinfo->mouse_face_deferred_gc = 0; |
| 4155 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
| 4156 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; |
| 4157 | dpyinfo->mouse_face_face_id = 0; |
| 4158 | dpyinfo->mouse_face_window = Qnil; |
| 4159 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; |
| 4160 | dpyinfo->mouse_face_defer = 0; |
| 4161 | dpyinfo->w32_focus_frame = 0; |
| 4162 | dpyinfo->w32_focus_event_frame = 0; |
| 4163 | dpyinfo->w32_highlight_frame = 0; |
| 4164 | |
| 4165 | ReleaseDC (GetDesktopWindow (), hdc); |
| 4166 | |
| 4167 | /* Determine if there is a middle mouse button, to allow parse_button |
| 4168 | to decide whether right mouse events should be mouse-2 or |
| 4169 | mouse-3. */ |
| 4170 | XSETINT (Vw32_num_mouse_buttons, GetSystemMetrics (SM_CMOUSEBUTTONS)); |
| 4171 | |
| 4172 | /* initialise palette with white and black */ |
| 4173 | { |
| 4174 | COLORREF color; |
| 4175 | defined_color (0, "white", &color, 1); |
| 4176 | defined_color (0, "black", &color, 1); |
| 4177 | } |
| 4178 | |
| 4179 | #ifndef F_SETOWN_BUG |
| 4180 | #ifdef F_SETOWN |
| 4181 | #ifdef F_SETOWN_SOCK_NEG |
| 4182 | /* stdin is a socket here */ |
| 4183 | fcntl (connection, F_SETOWN, -getpid ()); |
| 4184 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
| 4185 | fcntl (connection, F_SETOWN, getpid ()); |
| 4186 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
| 4187 | #endif /* ! defined (F_SETOWN) */ |
| 4188 | #endif /* F_SETOWN_BUG */ |
| 4189 | |
| 4190 | #ifdef SIGIO |
| 4191 | if (interrupt_input) |
| 4192 | init_sigio (connection); |
| 4193 | #endif /* ! defined (SIGIO) */ |
| 4194 | |
| 4195 | UNBLOCK_INPUT; |
| 4196 | |
| 4197 | return dpyinfo; |
| 4198 | } |
| 4199 | \f |
| 4200 | /* Get rid of display DPYINFO, assuming all frames are already gone. */ |
| 4201 | |
| 4202 | void |
| 4203 | x_delete_display (dpyinfo) |
| 4204 | struct w32_display_info *dpyinfo; |
| 4205 | { |
| 4206 | /* Discard this display from w32_display_name_list and w32_display_list. |
| 4207 | We can't use Fdelq because that can quit. */ |
| 4208 | if (! NILP (w32_display_name_list) |
| 4209 | && EQ (XCONS (w32_display_name_list)->car, dpyinfo->name_list_element)) |
| 4210 | w32_display_name_list = XCONS (w32_display_name_list)->cdr; |
| 4211 | else |
| 4212 | { |
| 4213 | Lisp_Object tail; |
| 4214 | |
| 4215 | tail = w32_display_name_list; |
| 4216 | while (CONSP (tail) && CONSP (XCONS (tail)->cdr)) |
| 4217 | { |
| 4218 | if (EQ (XCONS (XCONS (tail)->cdr)->car, |
| 4219 | dpyinfo->name_list_element)) |
| 4220 | { |
| 4221 | XCONS (tail)->cdr = XCONS (XCONS (tail)->cdr)->cdr; |
| 4222 | break; |
| 4223 | } |
| 4224 | tail = XCONS (tail)->cdr; |
| 4225 | } |
| 4226 | } |
| 4227 | |
| 4228 | /* free palette table */ |
| 4229 | { |
| 4230 | struct w32_palette_entry * plist; |
| 4231 | |
| 4232 | plist = dpyinfo->color_list; |
| 4233 | while (plist) |
| 4234 | { |
| 4235 | struct w32_palette_entry * pentry = plist; |
| 4236 | plist = plist->next; |
| 4237 | xfree(pentry); |
| 4238 | } |
| 4239 | dpyinfo->color_list = NULL; |
| 4240 | if (dpyinfo->palette) |
| 4241 | DeleteObject(dpyinfo->palette); |
| 4242 | } |
| 4243 | xfree (dpyinfo->font_table); |
| 4244 | xfree (dpyinfo->w32_id_name); |
| 4245 | } |
| 4246 | \f |
| 4247 | /* Set up use of W32. */ |
| 4248 | |
| 4249 | DWORD w32_msg_worker (); |
| 4250 | |
| 4251 | w32_initialize () |
| 4252 | { |
| 4253 | clear_frame_hook = w32_clear_frame; |
| 4254 | clear_end_of_line_hook = w32_clear_end_of_line; |
| 4255 | ins_del_lines_hook = w32_ins_del_lines; |
| 4256 | change_line_highlight_hook = w32_change_line_highlight; |
| 4257 | insert_glyphs_hook = w32_insert_glyphs; |
| 4258 | write_glyphs_hook = w32_write_glyphs; |
| 4259 | delete_glyphs_hook = w32_delete_glyphs; |
| 4260 | ring_bell_hook = w32_ring_bell; |
| 4261 | reset_terminal_modes_hook = w32_reset_terminal_modes; |
| 4262 | set_terminal_modes_hook = w32_set_terminal_modes; |
| 4263 | update_begin_hook = w32_update_begin; |
| 4264 | update_end_hook = w32_update_end; |
| 4265 | set_terminal_window_hook = w32_set_terminal_window; |
| 4266 | read_socket_hook = w32_read_socket; |
| 4267 | frame_up_to_date_hook = w32_frame_up_to_date; |
| 4268 | cursor_to_hook = w32_cursor_to; |
| 4269 | reassert_line_highlight_hook = w32_reassert_line_highlight; |
| 4270 | mouse_position_hook = w32_mouse_position; |
| 4271 | frame_rehighlight_hook = w32_frame_rehighlight; |
| 4272 | frame_raise_lower_hook = w32_frame_raise_lower; |
| 4273 | set_vertical_scroll_bar_hook = w32_set_vertical_scroll_bar; |
| 4274 | condemn_scroll_bars_hook = w32_condemn_scroll_bars; |
| 4275 | redeem_scroll_bar_hook = w32_redeem_scroll_bar; |
| 4276 | judge_scroll_bars_hook = w32_judge_scroll_bars; |
| 4277 | |
| 4278 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
| 4279 | char_ins_del_ok = 0; /* just as fast to write the line */ |
| 4280 | line_ins_del_ok = 1; /* we'll just blt 'em */ |
| 4281 | fast_clear_end_of_line = 1; /* X does this well */ |
| 4282 | memory_below_frame = 0; /* we don't remember what scrolls |
| 4283 | off the bottom */ |
| 4284 | baud_rate = 19200; |
| 4285 | |
| 4286 | /* Initialize input mode: interrupt_input off, no flow control, allow |
| 4287 | 8 bit character input, standard quit char. */ |
| 4288 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); |
| 4289 | |
| 4290 | /* Create the window thread - it will terminate itself or when the app terminates */ |
| 4291 | |
| 4292 | init_crit (); |
| 4293 | |
| 4294 | dwMainThreadId = GetCurrentThreadId (); |
| 4295 | DuplicateHandle (GetCurrentProcess (), GetCurrentThread (), |
| 4296 | GetCurrentProcess (), &hMainThread, 0, TRUE, DUPLICATE_SAME_ACCESS); |
| 4297 | |
| 4298 | /* Wait for thread to start */ |
| 4299 | |
| 4300 | { |
| 4301 | MSG msg; |
| 4302 | |
| 4303 | PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE); |
| 4304 | |
| 4305 | hWindowsThread = CreateThread (NULL, 0, |
| 4306 | (LPTHREAD_START_ROUTINE) w32_msg_worker, |
| 4307 | 0, 0, &dwWindowsThreadId); |
| 4308 | |
| 4309 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); |
| 4310 | } |
| 4311 | |
| 4312 | /* It is desirable that mainThread should have the same notion of |
| 4313 | focus window and active window as windowsThread. Unfortunately, the |
| 4314 | following call to AttachThreadInput, which should do precisely what |
| 4315 | we need, causes major problems when Emacs is linked as a console |
| 4316 | program. Unfortunately, we have good reasons for doing that, so |
| 4317 | instead we need to send messages to windowsThread to make some API |
| 4318 | calls for us (ones that affect, or depend on, the active/focus |
| 4319 | window state. */ |
| 4320 | #ifdef ATTACH_THREADS |
| 4321 | AttachThreadInput (dwMainThreadId, dwWindowsThreadId, TRUE); |
| 4322 | #endif |
| 4323 | |
| 4324 | /* Dynamically link to optional system components. */ |
| 4325 | { |
| 4326 | HANDLE user_lib = LoadLibrary ("user32.dll"); |
| 4327 | |
| 4328 | #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn) |
| 4329 | |
| 4330 | /* New proportional scroll bar functions. */ |
| 4331 | LOAD_PROC( SetScrollInfo ); |
| 4332 | LOAD_PROC( GetScrollInfo ); |
| 4333 | |
| 4334 | #undef LOAD_PROC |
| 4335 | |
| 4336 | FreeLibrary (user_lib); |
| 4337 | |
| 4338 | /* If using proportional scroll bars, ensure handle is at least 5 pixels; |
| 4339 | otherwise use the fixed height. */ |
| 4340 | vertical_scroll_bar_min_handle = (pfnSetScrollInfo != NULL) ? 5 : |
| 4341 | GetSystemMetrics (SM_CYVTHUMB); |
| 4342 | |
| 4343 | /* For either kind of scroll bar, take account of the arrows; these |
| 4344 | effectively form the border of the main scroll bar range. */ |
| 4345 | vertical_scroll_bar_top_border = vertical_scroll_bar_bottom_border |
| 4346 | = GetSystemMetrics (SM_CYVSCROLL); |
| 4347 | } |
| 4348 | } |
| 4349 | |
| 4350 | void |
| 4351 | syms_of_w32term () |
| 4352 | { |
| 4353 | staticpro (&w32_display_name_list); |
| 4354 | w32_display_name_list = Qnil; |
| 4355 | |
| 4356 | staticpro (&last_mouse_scroll_bar); |
| 4357 | last_mouse_scroll_bar = Qnil; |
| 4358 | |
| 4359 | staticpro (&Qvendor_specific_keysyms); |
| 4360 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); |
| 4361 | |
| 4362 | DEFVAR_INT ("w32-num-mouse-buttons", |
| 4363 | &Vw32_num_mouse_buttons, |
| 4364 | "Number of physical mouse buttons."); |
| 4365 | Vw32_num_mouse_buttons = Qnil; |
| 4366 | |
| 4367 | DEFVAR_LISP ("w32-swap-mouse-buttons", |
| 4368 | &Vw32_swap_mouse_buttons, |
| 4369 | "Swap the mapping of middle and right mouse buttons.\n\ |
| 4370 | When nil, middle button is mouse-2 and right button is mouse-3."); |
| 4371 | Vw32_swap_mouse_buttons = Qnil; |
| 4372 | |
| 4373 | DEFVAR_LISP ("w32-grab-focus-on-raise", |
| 4374 | &Vw32_grab_focus_on_raise, |
| 4375 | "Raised frame grabs input focus.\n\ |
| 4376 | When t, `raise-frame' grabs input focus as well. This fits well\n\ |
| 4377 | with the normal Windows click-to-focus policy, but might not be\n\ |
| 4378 | desirable when using a point-to-focus policy."); |
| 4379 | Vw32_grab_focus_on_raise = Qt; |
| 4380 | |
| 4381 | DEFVAR_LISP ("w32-capslock-is-shiftlock", |
| 4382 | &Vw32_capslock_is_shiftlock, |
| 4383 | "Apply CapsLock state to non character input keys.\n\ |
| 4384 | When nil, CapsLock only affects normal character input keys."); |
| 4385 | Vw32_capslock_is_shiftlock = Qnil; |
| 4386 | } |