| 1 | /* Implementation of Win32 GUI terminal |
| 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 "blockinput.h" |
| 28 | |
| 29 | #include <w32term.h> |
| 30 | |
| 31 | #include "systty.h" |
| 32 | #include "systime.h" |
| 33 | |
| 34 | #include <ctype.h> |
| 35 | #include <errno.h> |
| 36 | #include <setjmp.h> |
| 37 | #include <sys/stat.h> |
| 38 | |
| 39 | #include "frame.h" |
| 40 | #include "dispextern.h" |
| 41 | #include "termhooks.h" |
| 42 | #include "termopts.h" |
| 43 | #include "termchar.h" |
| 44 | #include "gnu.h" |
| 45 | #include "disptab.h" |
| 46 | #include "buffer.h" |
| 47 | #include "window.h" |
| 48 | #include "keyboard.h" |
| 49 | #include "intervals.h" |
| 50 | |
| 51 | extern void free_frame_menubar (); |
| 52 | |
| 53 | extern Lisp_Object Vwindow_system; |
| 54 | |
| 55 | #define x_any_window_to_frame x_window_to_frame |
| 56 | #define x_top_window_to_frame x_window_to_frame |
| 57 | |
| 58 | \f |
| 59 | /* This is display since win32 does not support multiple ones. */ |
| 60 | struct win32_display_info one_win32_display_info; |
| 61 | |
| 62 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), |
| 63 | one for each element of win32_display_list and in the same order. |
| 64 | NAME is the name of the frame. |
| 65 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ |
| 66 | Lisp_Object win32_display_name_list; |
| 67 | |
| 68 | /* Frame being updated by update_frame. This is declared in term.c. |
| 69 | This is set by update_begin and looked at by all the |
| 70 | win32 functions. It is zero while not inside an update. |
| 71 | In that case, the win32 functions assume that `selected_frame' |
| 72 | is the frame to apply to. */ |
| 73 | extern struct frame *updating_frame; |
| 74 | |
| 75 | /* This is a frame waiting to be autoraised, within w32_read_socket. */ |
| 76 | struct frame *pending_autoraise_frame; |
| 77 | |
| 78 | /* During an update, maximum vpos for ins/del line operations to affect. */ |
| 79 | |
| 80 | static int flexlines; |
| 81 | |
| 82 | /* During an update, nonzero if chars output now should be highlighted. */ |
| 83 | |
| 84 | static int highlight; |
| 85 | |
| 86 | /* Nominal cursor position -- where to draw output. |
| 87 | During an update, these are different from the cursor-box position. */ |
| 88 | |
| 89 | static int curs_x; |
| 90 | static int curs_y; |
| 91 | |
| 92 | DWORD dwWinThreadId = 0; |
| 93 | HANDLE hWinThread = NULL; |
| 94 | DWORD dwMainThreadId = 0; |
| 95 | HANDLE hMainThread = NULL; |
| 96 | |
| 97 | /* Mouse movement. */ |
| 98 | |
| 99 | /* Where the mouse was last time we reported a mouse event. */ |
| 100 | static FRAME_PTR last_mouse_frame; |
| 101 | static RECT last_mouse_glyph; |
| 102 | |
| 103 | Lisp_Object Vwin32_num_mouse_buttons; |
| 104 | |
| 105 | Lisp_Object Vwin32_swap_mouse_buttons; |
| 106 | |
| 107 | /* The scroll bar in which the last motion event occurred. |
| 108 | |
| 109 | If the last motion event occurred in a scroll bar, we set this |
| 110 | so win32_mouse_position can know whether to report a scroll bar motion or |
| 111 | an ordinary motion. |
| 112 | |
| 113 | If the last motion event didn't occur in a scroll bar, we set this |
| 114 | to Qnil, to tell win32_mouse_position to return an ordinary motion event. */ |
| 115 | Lisp_Object last_mouse_scroll_bar; |
| 116 | int last_mouse_scroll_bar_pos; |
| 117 | |
| 118 | /* This is a hack. We would really prefer that win32_mouse_position would |
| 119 | return the time associated with the position it returns, but there |
| 120 | doesn't seem to be any way to wrest the timestamp from the server |
| 121 | along with the position query. So, we just keep track of the time |
| 122 | of the last movement we received, and return that in hopes that |
| 123 | it's somewhat accurate. */ |
| 124 | Time last_mouse_movement_time; |
| 125 | |
| 126 | /* Incremented by w32_read_socket whenever it really tries to read events. */ |
| 127 | #ifdef __STDC__ |
| 128 | static int volatile input_signal_count; |
| 129 | #else |
| 130 | static int input_signal_count; |
| 131 | #endif |
| 132 | |
| 133 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
| 134 | |
| 135 | extern Lisp_Object Qface, Qmouse_face; |
| 136 | |
| 137 | extern int errno; |
| 138 | |
| 139 | /* A mask of extra modifier bits to put into every keyboard char. */ |
| 140 | extern int extra_keyboard_modifiers; |
| 141 | |
| 142 | static Lisp_Object Qvendor_specific_keysyms; |
| 143 | |
| 144 | void win32_delete_display (); |
| 145 | |
| 146 | static void redraw_previous_char (); |
| 147 | static void redraw_following_char (); |
| 148 | static unsigned int win32_get_modifiers (); |
| 149 | |
| 150 | static int fast_find_position (); |
| 151 | static void note_mouse_highlight (); |
| 152 | static void clear_mouse_face (); |
| 153 | static void show_mouse_face (); |
| 154 | static void do_line_dance (); |
| 155 | |
| 156 | static int win32_cursor_to (); |
| 157 | static int win32_clear_end_of_line (); |
| 158 | \f |
| 159 | #if 0 |
| 160 | /* This is a function useful for recording debugging information |
| 161 | about the sequence of occurrences in this file. */ |
| 162 | |
| 163 | struct record |
| 164 | { |
| 165 | char *locus; |
| 166 | int type; |
| 167 | }; |
| 168 | |
| 169 | struct record event_record[100]; |
| 170 | |
| 171 | int event_record_index; |
| 172 | |
| 173 | record_event (locus, type) |
| 174 | char *locus; |
| 175 | int type; |
| 176 | { |
| 177 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) |
| 178 | event_record_index = 0; |
| 179 | |
| 180 | event_record[event_record_index].locus = locus; |
| 181 | event_record[event_record_index].type = type; |
| 182 | event_record_index++; |
| 183 | } |
| 184 | |
| 185 | #endif /* 0 */ |
| 186 | \f |
| 187 | /* Return the struct win32_display_info. */ |
| 188 | |
| 189 | struct win32_display_info * |
| 190 | win32_display_info_for_display () |
| 191 | { |
| 192 | return (&one_win32_display_info); |
| 193 | } |
| 194 | |
| 195 | void |
| 196 | win32_fill_rect (f, _hdc, pix, lprect) |
| 197 | FRAME_PTR f; |
| 198 | HDC _hdc; |
| 199 | COLORREF pix; |
| 200 | RECT * lprect; |
| 201 | { |
| 202 | HDC hdc; |
| 203 | HBRUSH hb; |
| 204 | RECT rect; |
| 205 | |
| 206 | if (_hdc) |
| 207 | hdc = _hdc; |
| 208 | else |
| 209 | { |
| 210 | if (!f) return; |
| 211 | hdc = get_frame_dc (f); |
| 212 | } |
| 213 | |
| 214 | hb = CreateSolidBrush (pix); |
| 215 | FillRect (hdc, lprect, hb); |
| 216 | DeleteObject (hb); |
| 217 | |
| 218 | if (!_hdc) |
| 219 | release_frame_dc (f, hdc); |
| 220 | } |
| 221 | |
| 222 | void |
| 223 | win32_clear_window (f) |
| 224 | FRAME_PTR f; |
| 225 | { |
| 226 | RECT rect; |
| 227 | |
| 228 | GetClientRect (FRAME_WIN32_WINDOW (f), &rect); |
| 229 | win32_clear_rect (f, NULL, &rect); |
| 230 | } |
| 231 | |
| 232 | \f |
| 233 | /* Starting and ending updates. |
| 234 | |
| 235 | These hooks are called by update_frame at the beginning and end |
| 236 | of a frame update. We record in `updating_frame' the identity |
| 237 | of the frame being updated, so that the win32_... functions do not |
| 238 | need to take a frame as argument. Most of the win32_... functions |
| 239 | should never be called except during an update, the only exceptions |
| 240 | being win32_cursor_to, win32_write_glyphs and win32_reassert_line_highlight. */ |
| 241 | |
| 242 | static |
| 243 | win32_update_begin (f) |
| 244 | struct frame *f; |
| 245 | { |
| 246 | if (f == 0) |
| 247 | abort (); |
| 248 | |
| 249 | flexlines = f->height; |
| 250 | highlight = 0; |
| 251 | |
| 252 | BLOCK_INPUT; |
| 253 | |
| 254 | /* Regenerate display palette before drawing if list of requested |
| 255 | colors has changed. */ |
| 256 | if (FRAME_WIN32_DISPLAY_INFO (f)->regen_palette) |
| 257 | { |
| 258 | win32_regenerate_palette (f); |
| 259 | FRAME_WIN32_DISPLAY_INFO (f)->regen_palette = FALSE; |
| 260 | } |
| 261 | |
| 262 | if (f == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
| 263 | { |
| 264 | /* Don't do highlighting for mouse motion during the update. */ |
| 265 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_defer = 1; |
| 266 | |
| 267 | /* If the frame needs to be redrawn, |
| 268 | simply forget about any prior mouse highlighting. */ |
| 269 | if (FRAME_GARBAGED_P (f)) |
| 270 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window = Qnil; |
| 271 | |
| 272 | if (!NILP (FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window)) |
| 273 | { |
| 274 | int firstline, lastline, i; |
| 275 | struct window *w = XWINDOW (FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window); |
| 276 | |
| 277 | /* Find the first, and the last+1, lines affected by redisplay. */ |
| 278 | for (firstline = 0; firstline < f->height; firstline++) |
| 279 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) |
| 280 | break; |
| 281 | |
| 282 | lastline = f->height; |
| 283 | for (i = f->height - 1; i >= 0; i--) |
| 284 | { |
| 285 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) |
| 286 | break; |
| 287 | else |
| 288 | lastline = i; |
| 289 | } |
| 290 | |
| 291 | /* Can we tell that this update does not affect the window |
| 292 | where the mouse highlight is? If so, no need to turn off. |
| 293 | Likewise, don't do anything if the frame is garbaged; |
| 294 | in that case, the FRAME_CURRENT_GLYPHS that we would use |
| 295 | are all wrong, and we will redisplay that line anyway. */ |
| 296 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) |
| 297 | || lastline < XFASTINT (w->top))) |
| 298 | clear_mouse_face (FRAME_WIN32_DISPLAY_INFO (f)); |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | UNBLOCK_INPUT; |
| 303 | } |
| 304 | |
| 305 | static |
| 306 | win32_update_end (f) |
| 307 | struct frame *f; |
| 308 | { |
| 309 | BLOCK_INPUT; |
| 310 | |
| 311 | do_line_dance (); |
| 312 | x_display_cursor (f, 1); |
| 313 | |
| 314 | if (f == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
| 315 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_defer = 0; |
| 316 | |
| 317 | UNBLOCK_INPUT; |
| 318 | } |
| 319 | |
| 320 | /* This is called after a redisplay on frame F. */ |
| 321 | |
| 322 | static |
| 323 | win32_frame_up_to_date (f) |
| 324 | FRAME_PTR f; |
| 325 | { |
| 326 | if (FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_deferred_gc |
| 327 | || f == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
| 328 | { |
| 329 | note_mouse_highlight (FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame, |
| 330 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_x, |
| 331 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_y); |
| 332 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_deferred_gc = 0; |
| 333 | } |
| 334 | } |
| 335 | \f |
| 336 | /* External interface to control of standout mode. |
| 337 | Call this when about to modify line at position VPOS |
| 338 | and not change whether it is highlighted. */ |
| 339 | |
| 340 | win32_reassert_line_highlight (new, vpos) |
| 341 | int new, vpos; |
| 342 | { |
| 343 | highlight = new; |
| 344 | } |
| 345 | |
| 346 | /* Call this when about to modify line at position VPOS |
| 347 | and change whether it is highlighted. */ |
| 348 | |
| 349 | static |
| 350 | win32_change_line_highlight (new_highlight, vpos, first_unused_hpos) |
| 351 | int new_highlight, vpos, first_unused_hpos; |
| 352 | { |
| 353 | highlight = new_highlight; |
| 354 | win32_cursor_to (vpos, 0); |
| 355 | win32_clear_end_of_line (updating_frame->width); |
| 356 | } |
| 357 | |
| 358 | /* This is used when starting Emacs and when restarting after suspend. |
| 359 | When starting Emacs, no window is mapped. And nothing must be done |
| 360 | to Emacs's own window if it is suspended (though that rarely happens). */ |
| 361 | |
| 362 | static |
| 363 | win32_set_terminal_modes () |
| 364 | { |
| 365 | } |
| 366 | |
| 367 | /* This is called when exiting or suspending Emacs. |
| 368 | Exiting will make the Win32 windows go away, and suspending |
| 369 | requires no action. */ |
| 370 | |
| 371 | static |
| 372 | win32_reset_terminal_modes () |
| 373 | { |
| 374 | } |
| 375 | \f |
| 376 | /* Set the nominal cursor position of the frame. |
| 377 | This is where display update commands will take effect. |
| 378 | This does not affect the place where the cursor-box is displayed. */ |
| 379 | |
| 380 | static int |
| 381 | win32_cursor_to (row, col) |
| 382 | register int row, col; |
| 383 | { |
| 384 | int orow = row; |
| 385 | |
| 386 | curs_x = col; |
| 387 | curs_y = row; |
| 388 | |
| 389 | if (updating_frame == 0) |
| 390 | { |
| 391 | BLOCK_INPUT; |
| 392 | x_display_cursor (selected_frame, 1); |
| 393 | UNBLOCK_INPUT; |
| 394 | } |
| 395 | } |
| 396 | \f |
| 397 | /* Display a sequence of N glyphs found at GP. |
| 398 | WINDOW is the window to output to. LEFT and TOP are starting coords. |
| 399 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
| 400 | 3 if should appear in its mouse-face. |
| 401 | JUST_FOREGROUND if 1 means draw only the foreground; |
| 402 | don't alter the background. |
| 403 | |
| 404 | FONT is the default font to use (for glyphs whose font-code is 0). |
| 405 | |
| 406 | Since the display generation code is responsible for calling |
| 407 | compute_char_face and compute_glyph_face on everything it puts in |
| 408 | the display structure, we can assume that the face code on each |
| 409 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
| 410 | to which we can actually apply intern_face. |
| 411 | Call this function with input blocked. */ |
| 412 | |
| 413 | static void |
| 414 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
| 415 | struct frame *f; |
| 416 | int left, top; |
| 417 | register GLYPH *gp; /* Points to first GLYPH. */ |
| 418 | register int n; /* Number of glyphs to display. */ |
| 419 | int hl; |
| 420 | int just_foreground; |
| 421 | { |
| 422 | /* Holds characters to be displayed. */ |
| 423 | char *buf = (char *) alloca (f->width * sizeof (*buf)); |
| 424 | register char *cp; /* Steps through buf[]. */ |
| 425 | register int tlen = GLYPH_TABLE_LENGTH; |
| 426 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; |
| 427 | Window window = FRAME_WIN32_WINDOW (f); |
| 428 | int orig_left = left; |
| 429 | HDC hdc; |
| 430 | |
| 431 | hdc = get_frame_dc (f); |
| 432 | |
| 433 | while (n > 0) |
| 434 | { |
| 435 | /* Get the face-code of the next GLYPH. */ |
| 436 | int cf, len; |
| 437 | int g = *gp; |
| 438 | |
| 439 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
| 440 | cf = FAST_GLYPH_FACE (g); |
| 441 | |
| 442 | /* Find the run of consecutive glyphs with the same face-code. |
| 443 | Extract their character codes into BUF. */ |
| 444 | cp = buf; |
| 445 | while (n > 0) |
| 446 | { |
| 447 | g = *gp; |
| 448 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
| 449 | if (FAST_GLYPH_FACE (g) != cf) |
| 450 | break; |
| 451 | |
| 452 | *cp++ = FAST_GLYPH_CHAR (g); |
| 453 | --n; |
| 454 | ++gp; |
| 455 | } |
| 456 | |
| 457 | /* LEN gets the length of the run. */ |
| 458 | len = cp - buf; |
| 459 | |
| 460 | /* Now output this run of chars, with the font and pixel values |
| 461 | determined by the face code CF. */ |
| 462 | { |
| 463 | struct face *face = FRAME_DEFAULT_FACE (f); |
| 464 | XFontStruct *font = FACE_FONT (face); |
| 465 | int stippled = 0; |
| 466 | COLORREF fg; |
| 467 | COLORREF bg; |
| 468 | |
| 469 | /* HL = 3 means use a mouse face previously chosen. */ |
| 470 | if (hl == 3) |
| 471 | cf = FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_face_id; |
| 472 | |
| 473 | /* First look at the face of the text itself. */ |
| 474 | if (cf != 0) |
| 475 | { |
| 476 | /* It's possible for the display table to specify |
| 477 | a face code that is out of range. Use 0 in that case. */ |
| 478 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
| 479 | || FRAME_COMPUTED_FACES (f) [cf] == 0) |
| 480 | cf = 0; |
| 481 | |
| 482 | if (cf == 1) |
| 483 | face = FRAME_MODE_LINE_FACE (f); |
| 484 | else |
| 485 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
| 486 | font = FACE_FONT (face); |
| 487 | if (FACE_STIPPLE (face)) |
| 488 | stippled = 1; |
| 489 | } |
| 490 | |
| 491 | /* Then comes the distinction between modeline and normal text. */ |
| 492 | else if (hl == 0) |
| 493 | ; |
| 494 | else if (hl == 1) |
| 495 | { |
| 496 | face = FRAME_MODE_LINE_FACE (f); |
| 497 | font = FACE_FONT (face); |
| 498 | if (FACE_STIPPLE (face)) |
| 499 | stippled = 1; |
| 500 | } |
| 501 | |
| 502 | fg = face->foreground; |
| 503 | bg = face->background; |
| 504 | |
| 505 | /* Now override that if the cursor's on this character. */ |
| 506 | if (hl == 2) |
| 507 | { |
| 508 | /* The cursor overrides stippling. */ |
| 509 | stippled = 0; |
| 510 | |
| 511 | if ((!face->font |
| 512 | || face->font == (XFontStruct *) FACE_DEFAULT |
| 513 | || face->font == f->output_data.win32->font) |
| 514 | && face->background == f->output_data.win32->background_pixel |
| 515 | && face->foreground == f->output_data.win32->foreground_pixel) |
| 516 | { |
| 517 | bg = f->output_data.win32->cursor_pixel; |
| 518 | fg = face->background; |
| 519 | } |
| 520 | /* Cursor on non-default face: must merge. */ |
| 521 | else |
| 522 | { |
| 523 | bg = f->output_data.win32->cursor_pixel; |
| 524 | fg = face->background; |
| 525 | /* If the glyph would be invisible, |
| 526 | try a different foreground. */ |
| 527 | if (fg == bg) |
| 528 | fg = face->foreground; |
| 529 | if (fg == bg) |
| 530 | fg = f->output_data.win32->cursor_foreground_pixel; |
| 531 | if (fg == bg) |
| 532 | fg = face->foreground; |
| 533 | /* Make sure the cursor is distinct from text in this face. */ |
| 534 | if (bg == face->background |
| 535 | && fg == face->foreground) |
| 536 | { |
| 537 | bg = face->foreground; |
| 538 | fg = face->background; |
| 539 | } |
| 540 | } |
| 541 | } |
| 542 | |
| 543 | if (font == (XFontStruct *) FACE_DEFAULT) |
| 544 | font = f->output_data.win32->font; |
| 545 | |
| 546 | SetBkMode (hdc, just_foreground ? TRANSPARENT : OPAQUE); |
| 547 | |
| 548 | SetTextColor (hdc, fg); |
| 549 | SetBkColor (hdc, bg); |
| 550 | |
| 551 | SelectObject (hdc, font->hfont); |
| 552 | |
| 553 | TextOut (hdc, left, top, buf, len); |
| 554 | |
| 555 | if (!just_foreground) |
| 556 | { |
| 557 | /* Clear the rest of the line's height. */ |
| 558 | if (f->output_data.win32->line_height != FONT_HEIGHT (font)) |
| 559 | win32_fill_area (f, hdc, bg, |
| 560 | left, |
| 561 | top + FONT_HEIGHT (font), |
| 562 | FONT_WIDTH (font) * len, |
| 563 | f->output_data.win32->line_height - FONT_HEIGHT (font)); |
| 564 | } |
| 565 | |
| 566 | { |
| 567 | int underline_position = 1; |
| 568 | |
| 569 | if (font->tm.tmDescent <= underline_position) |
| 570 | underline_position = font->tm.tmDescent - 1; |
| 571 | |
| 572 | if (face->underline) |
| 573 | win32_fill_area (f, hdc, fg, |
| 574 | left, (top |
| 575 | + FONT_BASE (font) |
| 576 | + underline_position), |
| 577 | len * FONT_WIDTH (font), 1); |
| 578 | } |
| 579 | |
| 580 | left += len * FONT_WIDTH (font); |
| 581 | } |
| 582 | } |
| 583 | |
| 584 | release_frame_dc (f, hdc); |
| 585 | } |
| 586 | |
| 587 | \f |
| 588 | /* Output some text at the nominal frame cursor position. |
| 589 | Advance the cursor over the text. |
| 590 | Output LEN glyphs at START. |
| 591 | |
| 592 | `highlight', set up by win32_reassert_line_highlight or win32_change_line_highlight, |
| 593 | controls the pixel values used for foreground and background. */ |
| 594 | |
| 595 | static |
| 596 | win32_write_glyphs (start, len) |
| 597 | register GLYPH *start; |
| 598 | int len; |
| 599 | { |
| 600 | register int temp_length; |
| 601 | struct frame *f; |
| 602 | |
| 603 | BLOCK_INPUT; |
| 604 | |
| 605 | do_line_dance (); |
| 606 | f = updating_frame; |
| 607 | if (f == 0) |
| 608 | { |
| 609 | f = selected_frame; |
| 610 | /* If not within an update, |
| 611 | output at the frame's visible cursor. */ |
| 612 | curs_x = f->cursor_x; |
| 613 | curs_y = f->cursor_y; |
| 614 | } |
| 615 | |
| 616 | dumpglyphs (f, |
| 617 | CHAR_TO_PIXEL_COL (f, curs_x), |
| 618 | CHAR_TO_PIXEL_ROW (f, curs_y), |
| 619 | start, len, highlight, 0); |
| 620 | |
| 621 | /* If we drew on top of the cursor, note that it is turned off. */ |
| 622 | if (curs_y == f->phys_cursor_y |
| 623 | && curs_x <= f->phys_cursor_x |
| 624 | && curs_x + len > f->phys_cursor_x) |
| 625 | f->phys_cursor_x = -1; |
| 626 | |
| 627 | if (updating_frame == 0) |
| 628 | { |
| 629 | f->cursor_x += len; |
| 630 | x_display_cursor (f, 1); |
| 631 | f->cursor_x -= len; |
| 632 | } |
| 633 | else |
| 634 | curs_x += len; |
| 635 | |
| 636 | UNBLOCK_INPUT; |
| 637 | } |
| 638 | \f |
| 639 | /* Clear to the end of the line. |
| 640 | Erase the current text line from the nominal cursor position (inclusive) |
| 641 | to column FIRST_UNUSED (exclusive). The idea is that everything |
| 642 | from FIRST_UNUSED onward is already erased. */ |
| 643 | |
| 644 | static |
| 645 | win32_clear_end_of_line (first_unused) |
| 646 | register int first_unused; |
| 647 | { |
| 648 | struct frame *f = updating_frame; |
| 649 | |
| 650 | if (f == 0) |
| 651 | abort (); |
| 652 | |
| 653 | if (curs_y < 0 || curs_y >= f->height) |
| 654 | return 1; |
| 655 | if (first_unused <= 0) |
| 656 | return 1; |
| 657 | |
| 658 | if (first_unused >= f->width) |
| 659 | first_unused = f->width; |
| 660 | |
| 661 | BLOCK_INPUT; |
| 662 | |
| 663 | do_line_dance (); |
| 664 | |
| 665 | /* Notice if the cursor will be cleared by this operation. */ |
| 666 | if (curs_y == f->phys_cursor_y |
| 667 | && curs_x <= f->phys_cursor_x |
| 668 | && f->phys_cursor_x < first_unused) |
| 669 | f->phys_cursor_x = -1; |
| 670 | |
| 671 | win32_clear_area (f, NULL, |
| 672 | CHAR_TO_PIXEL_COL (f, curs_x), |
| 673 | CHAR_TO_PIXEL_ROW (f, curs_y), |
| 674 | FONT_WIDTH (f->output_data.win32->font) * (first_unused - curs_x), |
| 675 | f->output_data.win32->line_height); |
| 676 | |
| 677 | UNBLOCK_INPUT; |
| 678 | } |
| 679 | |
| 680 | static |
| 681 | win32_clear_frame () |
| 682 | { |
| 683 | struct frame *f = updating_frame; |
| 684 | |
| 685 | if (f == 0) |
| 686 | f = selected_frame; |
| 687 | |
| 688 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
| 689 | curs_x = 0; /* Nominal cursor position is top left. */ |
| 690 | curs_y = 0; |
| 691 | |
| 692 | BLOCK_INPUT; |
| 693 | |
| 694 | win32_clear_window (f); |
| 695 | |
| 696 | /* We have to clear the scroll bars, too. If we have changed |
| 697 | colors or something like that, then they should be notified. */ |
| 698 | x_scroll_bar_clear (f); |
| 699 | |
| 700 | UNBLOCK_INPUT; |
| 701 | } |
| 702 | \f |
| 703 | /* Make audible bell. */ |
| 704 | |
| 705 | win32_ring_bell () |
| 706 | { |
| 707 | BLOCK_INPUT; |
| 708 | |
| 709 | if (visible_bell) |
| 710 | FlashWindow (FRAME_WIN32_WINDOW (selected_frame), FALSE); |
| 711 | else |
| 712 | nt_ring_bell (); |
| 713 | |
| 714 | UNBLOCK_INPUT; |
| 715 | |
| 716 | return 1; |
| 717 | } |
| 718 | \f |
| 719 | /* Insert and delete character. |
| 720 | These are not supposed to be used because we are supposed to turn |
| 721 | off the feature of using them. */ |
| 722 | |
| 723 | static |
| 724 | win32_insert_glyphs (start, len) |
| 725 | register char *start; |
| 726 | register int len; |
| 727 | { |
| 728 | abort (); |
| 729 | } |
| 730 | |
| 731 | static |
| 732 | win32_delete_glyphs (n) |
| 733 | register int n; |
| 734 | { |
| 735 | abort (); |
| 736 | } |
| 737 | \f |
| 738 | /* Specify how many text lines, from the top of the window, |
| 739 | should be affected by insert-lines and delete-lines operations. |
| 740 | This, and those operations, are used only within an update |
| 741 | that is bounded by calls to win32_update_begin and win32_update_end. */ |
| 742 | |
| 743 | static |
| 744 | win32_set_terminal_window (n) |
| 745 | register int n; |
| 746 | { |
| 747 | if (updating_frame == 0) |
| 748 | abort (); |
| 749 | |
| 750 | if ((n <= 0) || (n > updating_frame->height)) |
| 751 | flexlines = updating_frame->height; |
| 752 | else |
| 753 | flexlines = n; |
| 754 | } |
| 755 | \f |
| 756 | /* These variables need not be per frame |
| 757 | because redisplay is done on a frame-by-frame basis |
| 758 | and the line dance for one frame is finished before |
| 759 | anything is done for another frame. */ |
| 760 | |
| 761 | /* Array of line numbers from cached insert/delete operations. |
| 762 | line_dance[i] is the old position of the line that we want |
| 763 | to move to line i, or -1 if we want a blank line there. */ |
| 764 | static int *line_dance; |
| 765 | |
| 766 | /* Allocated length of that array. */ |
| 767 | static int line_dance_len; |
| 768 | |
| 769 | /* Flag indicating whether we've done any work. */ |
| 770 | static int line_dance_in_progress; |
| 771 | |
| 772 | /* Perform an insert-lines or delete-lines operation, |
| 773 | inserting N lines or deleting -N lines at vertical position VPOS. */ |
| 774 | win32_ins_del_lines (vpos, n) |
| 775 | int vpos, n; |
| 776 | { |
| 777 | register int fence, i; |
| 778 | |
| 779 | if (vpos >= flexlines) |
| 780 | return 1; |
| 781 | |
| 782 | if (!line_dance_in_progress) |
| 783 | { |
| 784 | int ht = updating_frame->height; |
| 785 | if (ht > line_dance_len) |
| 786 | { |
| 787 | line_dance = (int *)xrealloc (line_dance, ht * sizeof (int)); |
| 788 | line_dance_len = ht; |
| 789 | } |
| 790 | for (i = 0; i < ht; ++i) line_dance[i] = i; |
| 791 | line_dance_in_progress = 1; |
| 792 | } |
| 793 | if (n >= 0) |
| 794 | { |
| 795 | if (n > flexlines - vpos) |
| 796 | n = flexlines - vpos; |
| 797 | fence = vpos + n; |
| 798 | for (i = flexlines; --i >= fence;) |
| 799 | line_dance[i] = line_dance[i-n]; |
| 800 | for (i = fence; --i >= vpos;) |
| 801 | line_dance[i] = -1; |
| 802 | } |
| 803 | else |
| 804 | { |
| 805 | n = -n; |
| 806 | if (n > flexlines - vpos) |
| 807 | n = flexlines - vpos; |
| 808 | fence = flexlines - n; |
| 809 | for (i = vpos; i < fence; ++i) |
| 810 | line_dance[i] = line_dance[i + n]; |
| 811 | for (i = fence; i < flexlines; ++i) |
| 812 | line_dance[i] = -1; |
| 813 | } |
| 814 | } |
| 815 | |
| 816 | /* Here's where we actually move the pixels around. |
| 817 | Must be called with input blocked. */ |
| 818 | static void |
| 819 | do_line_dance () |
| 820 | { |
| 821 | register int i, j, distance; |
| 822 | register struct frame *f; |
| 823 | int ht; |
| 824 | int intborder; |
| 825 | HDC hdc; |
| 826 | |
| 827 | /* Must check this flag first. If it's not set, then not only is the |
| 828 | array uninitialized, but we might not even have a frame. */ |
| 829 | if (!line_dance_in_progress) |
| 830 | return; |
| 831 | |
| 832 | f = updating_frame; |
| 833 | if (f == 0) |
| 834 | abort (); |
| 835 | |
| 836 | ht = f->height; |
| 837 | intborder = f->output_data.win32->internal_border_width; |
| 838 | |
| 839 | x_display_cursor (updating_frame, 0); |
| 840 | |
| 841 | hdc = get_frame_dc (f); |
| 842 | |
| 843 | for (i = 0; i < ht; ++i) |
| 844 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) > 0) |
| 845 | { |
| 846 | for (j = i; (j < ht && line_dance[j] != -1 |
| 847 | && line_dance[j]-j == distance); ++j); |
| 848 | /* Copy [i,j) upward from [i+distance, j+distance) */ |
| 849 | BitBlt (hdc, |
| 850 | intborder, CHAR_TO_PIXEL_ROW (f, i+distance), |
| 851 | f->width * FONT_WIDTH (f->output_data.win32->font), |
| 852 | (j-i) * f->output_data.win32->line_height, |
| 853 | hdc, |
| 854 | intborder, CHAR_TO_PIXEL_ROW (f, i), |
| 855 | SRCCOPY); |
| 856 | i = j-1; |
| 857 | } |
| 858 | |
| 859 | for (i = ht; --i >=0; ) |
| 860 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) < 0) |
| 861 | { |
| 862 | for (j = i; (--j >= 0 && line_dance[j] != -1 |
| 863 | && line_dance[j]-j == distance);); |
| 864 | /* Copy (j, i] downward from (j+distance, i+distance] */ |
| 865 | BitBlt (hdc, |
| 866 | intborder, CHAR_TO_PIXEL_ROW (f, j+1+distance), |
| 867 | f->width * FONT_WIDTH (f->output_data.win32->font), |
| 868 | (i-j) * f->output_data.win32->line_height, |
| 869 | hdc, |
| 870 | intborder, CHAR_TO_PIXEL_ROW (f, j+1), |
| 871 | SRCCOPY); |
| 872 | i = j+1; |
| 873 | } |
| 874 | |
| 875 | release_frame_dc (f, hdc); |
| 876 | |
| 877 | for (i = 0; i < ht; ++i) |
| 878 | if (line_dance[i] == -1) |
| 879 | { |
| 880 | for (j = i; j < ht && line_dance[j] == -1; ++j); |
| 881 | /* Clear [i,j) */ |
| 882 | win32_clear_area (f, NULL, |
| 883 | intborder, |
| 884 | CHAR_TO_PIXEL_ROW (f, i), |
| 885 | f->width * FONT_WIDTH (f->output_data.win32->font), |
| 886 | (j-i) * f->output_data.win32->line_height); |
| 887 | i = j-1; |
| 888 | } |
| 889 | line_dance_in_progress = 0; |
| 890 | } |
| 891 | \f |
| 892 | /* Support routines for exposure events. */ |
| 893 | static void clear_cursor (); |
| 894 | |
| 895 | /* Output into a rectangle of a window (for frame F) |
| 896 | the characters in f->phys_lines that overlap that rectangle. |
| 897 | TOP and LEFT are the position of the upper left corner of the rectangle. |
| 898 | ROWS and COLS are the size of the rectangle. |
| 899 | Call this function with input blocked. */ |
| 900 | |
| 901 | void |
| 902 | dumprectangle (f, left, top, cols, rows) |
| 903 | struct frame *f; |
| 904 | register int left, top, cols, rows; |
| 905 | { |
| 906 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
| 907 | int cursor_cleared = 0; |
| 908 | int bottom, right; |
| 909 | register int y; |
| 910 | |
| 911 | if (FRAME_GARBAGED_P (f)) |
| 912 | return; |
| 913 | |
| 914 | /* Express rectangle as four edges, instead of position-and-size. */ |
| 915 | bottom = top + rows; |
| 916 | right = left + cols; |
| 917 | |
| 918 | /* Convert rectangle edges in pixels to edges in chars. |
| 919 | Round down for left and top, up for right and bottom. */ |
| 920 | top = PIXEL_TO_CHAR_ROW (f, top); |
| 921 | left = PIXEL_TO_CHAR_COL (f, left); |
| 922 | bottom += (f->output_data.win32->line_height - 1); |
| 923 | right += (FONT_WIDTH (f->output_data.win32->font) - 1); |
| 924 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
| 925 | right = PIXEL_TO_CHAR_COL (f, right); |
| 926 | |
| 927 | /* Clip the rectangle to what can be visible. */ |
| 928 | if (left < 0) |
| 929 | left = 0; |
| 930 | if (top < 0) |
| 931 | top = 0; |
| 932 | if (right > f->width) |
| 933 | right = f->width; |
| 934 | if (bottom > f->height) |
| 935 | bottom = f->height; |
| 936 | |
| 937 | /* Get size in chars of the rectangle. */ |
| 938 | cols = right - left; |
| 939 | rows = bottom - top; |
| 940 | |
| 941 | /* If rectangle has zero area, return. */ |
| 942 | if (rows <= 0) return; |
| 943 | if (cols <= 0) return; |
| 944 | |
| 945 | /* Turn off the cursor if it is in the rectangle. |
| 946 | We will turn it back on afterward. */ |
| 947 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
| 948 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) |
| 949 | { |
| 950 | clear_cursor (f); |
| 951 | cursor_cleared = 1; |
| 952 | } |
| 953 | |
| 954 | /* Display the text in the rectangle, one text line at a time. */ |
| 955 | |
| 956 | for (y = top; y < bottom; y++) |
| 957 | { |
| 958 | GLYPH *line = &active_frame->glyphs[y][left]; |
| 959 | |
| 960 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
| 961 | continue; |
| 962 | |
| 963 | dumpglyphs (f, |
| 964 | CHAR_TO_PIXEL_COL (f, left), |
| 965 | CHAR_TO_PIXEL_ROW (f, y), |
| 966 | line, min (cols, active_frame->used[y] - left), |
| 967 | active_frame->highlight[y], 0); |
| 968 | } |
| 969 | |
| 970 | /* Turn the cursor on if we turned it off. */ |
| 971 | |
| 972 | if (cursor_cleared) |
| 973 | x_display_cursor (f, 1); |
| 974 | } |
| 975 | \f |
| 976 | static void |
| 977 | frame_highlight (f) |
| 978 | struct frame *f; |
| 979 | { |
| 980 | x_display_cursor (f, 1); |
| 981 | } |
| 982 | |
| 983 | static void |
| 984 | frame_unhighlight (f) |
| 985 | struct frame *f; |
| 986 | { |
| 987 | x_display_cursor (f, 1); |
| 988 | } |
| 989 | |
| 990 | static void win32_frame_rehighlight (); |
| 991 | static void x_frame_rehighlight (); |
| 992 | |
| 993 | /* The focus has changed. Update the frames as necessary to reflect |
| 994 | the new situation. Note that we can't change the selected frame |
| 995 | here, because the Lisp code we are interrupting might become confused. |
| 996 | Each event gets marked with the frame in which it occurred, so the |
| 997 | Lisp code can tell when the switch took place by examining the events. */ |
| 998 | |
| 999 | void |
| 1000 | x_new_focus_frame (dpyinfo, frame) |
| 1001 | struct win32_display_info *dpyinfo; |
| 1002 | struct frame *frame; |
| 1003 | { |
| 1004 | struct frame *old_focus = dpyinfo->win32_focus_frame; |
| 1005 | int events_enqueued = 0; |
| 1006 | |
| 1007 | if (frame != dpyinfo->win32_focus_frame) |
| 1008 | { |
| 1009 | /* Set this before calling other routines, so that they see |
| 1010 | the correct value of win32_focus_frame. */ |
| 1011 | dpyinfo->win32_focus_frame = frame; |
| 1012 | |
| 1013 | if (old_focus && old_focus->auto_lower) |
| 1014 | x_lower_frame (old_focus); |
| 1015 | |
| 1016 | if (dpyinfo->win32_focus_frame && dpyinfo->win32_focus_frame->auto_raise) |
| 1017 | pending_autoraise_frame = dpyinfo->win32_focus_frame; |
| 1018 | else |
| 1019 | pending_autoraise_frame = 0; |
| 1020 | } |
| 1021 | |
| 1022 | x_frame_rehighlight (dpyinfo); |
| 1023 | } |
| 1024 | |
| 1025 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ |
| 1026 | |
| 1027 | void |
| 1028 | x_mouse_leave (dpyinfo) |
| 1029 | struct win32_display_info *dpyinfo; |
| 1030 | { |
| 1031 | x_new_focus_frame (dpyinfo, dpyinfo->win32_focus_event_frame); |
| 1032 | } |
| 1033 | |
| 1034 | /* The focus has changed, or we have redirected a frame's focus to |
| 1035 | another frame (this happens when a frame uses a surrogate |
| 1036 | minibuffer frame). Shift the highlight as appropriate. |
| 1037 | |
| 1038 | The FRAME argument doesn't necessarily have anything to do with which |
| 1039 | frame is being highlighted or unhighlighted; we only use it to find |
| 1040 | the appropriate display info. */ |
| 1041 | static void |
| 1042 | win32_frame_rehighlight (frame) |
| 1043 | struct frame *frame; |
| 1044 | { |
| 1045 | x_frame_rehighlight (FRAME_WIN32_DISPLAY_INFO (frame)); |
| 1046 | } |
| 1047 | |
| 1048 | static void |
| 1049 | x_frame_rehighlight (dpyinfo) |
| 1050 | struct win32_display_info *dpyinfo; |
| 1051 | { |
| 1052 | struct frame *old_highlight = dpyinfo->win32_highlight_frame; |
| 1053 | |
| 1054 | if (dpyinfo->win32_focus_frame) |
| 1055 | { |
| 1056 | dpyinfo->win32_highlight_frame |
| 1057 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->win32_focus_frame))) |
| 1058 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->win32_focus_frame)) |
| 1059 | : dpyinfo->win32_focus_frame); |
| 1060 | if (! FRAME_LIVE_P (dpyinfo->win32_highlight_frame)) |
| 1061 | { |
| 1062 | FRAME_FOCUS_FRAME (dpyinfo->win32_focus_frame) = Qnil; |
| 1063 | dpyinfo->win32_highlight_frame = dpyinfo->win32_focus_frame; |
| 1064 | } |
| 1065 | } |
| 1066 | else |
| 1067 | dpyinfo->win32_highlight_frame = 0; |
| 1068 | |
| 1069 | if (dpyinfo->win32_highlight_frame != old_highlight) |
| 1070 | { |
| 1071 | if (old_highlight) |
| 1072 | frame_unhighlight (old_highlight); |
| 1073 | if (dpyinfo->win32_highlight_frame) |
| 1074 | frame_highlight (dpyinfo->win32_highlight_frame); |
| 1075 | } |
| 1076 | } |
| 1077 | \f |
| 1078 | /* Keyboard processing - modifier keys, etc. */ |
| 1079 | |
| 1080 | /* Convert a keysym to its name. */ |
| 1081 | |
| 1082 | char * |
| 1083 | x_get_keysym_name (keysym) |
| 1084 | int keysym; |
| 1085 | { |
| 1086 | /* Make static so we can always return it */ |
| 1087 | static char value[100]; |
| 1088 | |
| 1089 | BLOCK_INPUT; |
| 1090 | GetKeyNameText(keysym, value, 100); |
| 1091 | UNBLOCK_INPUT; |
| 1092 | |
| 1093 | return value; |
| 1094 | } |
| 1095 | \f |
| 1096 | /* Mouse clicks and mouse movement. Rah. */ |
| 1097 | |
| 1098 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return |
| 1099 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle |
| 1100 | that the glyph at X, Y occupies, if BOUNDS != 0. |
| 1101 | If NOCLIP is nonzero, do not force the value into range. */ |
| 1102 | |
| 1103 | void |
| 1104 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
| 1105 | FRAME_PTR f; |
| 1106 | register int pix_x, pix_y; |
| 1107 | register int *x, *y; |
| 1108 | RECT *bounds; |
| 1109 | int noclip; |
| 1110 | { |
| 1111 | /* Support tty mode: if Vwindow_system is nil, behave correctly. */ |
| 1112 | if (NILP (Vwindow_system)) |
| 1113 | { |
| 1114 | *x = pix_x; |
| 1115 | *y = pix_y; |
| 1116 | return; |
| 1117 | } |
| 1118 | |
| 1119 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
| 1120 | even for negative values. */ |
| 1121 | if (pix_x < 0) |
| 1122 | pix_x -= FONT_WIDTH ((f)->output_data.win32->font) - 1; |
| 1123 | if (pix_y < 0) |
| 1124 | pix_y -= (f)->output_data.win32->line_height - 1; |
| 1125 | |
| 1126 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
| 1127 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); |
| 1128 | |
| 1129 | if (bounds) |
| 1130 | { |
| 1131 | bounds->left = CHAR_TO_PIXEL_COL (f, pix_x); |
| 1132 | bounds->top = CHAR_TO_PIXEL_ROW (f, pix_y); |
| 1133 | bounds->right = bounds->left + FONT_WIDTH (f->output_data.win32->font) - 1; |
| 1134 | bounds->bottom = bounds->top + f->output_data.win32->line_height - 1; |
| 1135 | } |
| 1136 | |
| 1137 | if (!noclip) |
| 1138 | { |
| 1139 | if (pix_x < 0) |
| 1140 | pix_x = 0; |
| 1141 | else if (pix_x > f->width) |
| 1142 | pix_x = f->width; |
| 1143 | |
| 1144 | if (pix_y < 0) |
| 1145 | pix_y = 0; |
| 1146 | else if (pix_y > f->height) |
| 1147 | pix_y = f->height; |
| 1148 | } |
| 1149 | |
| 1150 | *x = pix_x; |
| 1151 | *y = pix_y; |
| 1152 | } |
| 1153 | |
| 1154 | void |
| 1155 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) |
| 1156 | FRAME_PTR f; |
| 1157 | register int x, y; |
| 1158 | register int *pix_x, *pix_y; |
| 1159 | { |
| 1160 | /* Support tty mode: if Vwindow_system is nil, behave correctly. */ |
| 1161 | if (NILP (Vwindow_system)) |
| 1162 | { |
| 1163 | *pix_x = x; |
| 1164 | *pix_y = y; |
| 1165 | return; |
| 1166 | } |
| 1167 | |
| 1168 | *pix_x = CHAR_TO_PIXEL_COL (f, x); |
| 1169 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); |
| 1170 | } |
| 1171 | |
| 1172 | BOOL |
| 1173 | parse_button (message, pbutton, pup) |
| 1174 | int message; |
| 1175 | int * pbutton; |
| 1176 | int * pup; |
| 1177 | { |
| 1178 | int button = 0; |
| 1179 | int up = 0; |
| 1180 | |
| 1181 | switch (message) |
| 1182 | { |
| 1183 | case WM_LBUTTONDOWN: |
| 1184 | button = 0; |
| 1185 | up = 0; |
| 1186 | break; |
| 1187 | case WM_LBUTTONUP: |
| 1188 | button = 0; |
| 1189 | up = 1; |
| 1190 | break; |
| 1191 | case WM_MBUTTONDOWN: |
| 1192 | if (NILP (Vwin32_swap_mouse_buttons)) |
| 1193 | button = 1; |
| 1194 | else |
| 1195 | button = 2; |
| 1196 | up = 0; |
| 1197 | break; |
| 1198 | case WM_MBUTTONUP: |
| 1199 | if (NILP (Vwin32_swap_mouse_buttons)) |
| 1200 | button = 1; |
| 1201 | else |
| 1202 | button = 2; |
| 1203 | up = 1; |
| 1204 | break; |
| 1205 | case WM_RBUTTONDOWN: |
| 1206 | if (NILP (Vwin32_swap_mouse_buttons)) |
| 1207 | button = 2; |
| 1208 | else |
| 1209 | button = 1; |
| 1210 | up = 0; |
| 1211 | break; |
| 1212 | case WM_RBUTTONUP: |
| 1213 | if (NILP (Vwin32_swap_mouse_buttons)) |
| 1214 | button = 2; |
| 1215 | else |
| 1216 | button = 1; |
| 1217 | up = 1; |
| 1218 | break; |
| 1219 | default: |
| 1220 | return (FALSE); |
| 1221 | } |
| 1222 | |
| 1223 | if (pup) *pup = up; |
| 1224 | if (pbutton) *pbutton = button; |
| 1225 | |
| 1226 | return (TRUE); |
| 1227 | } |
| 1228 | |
| 1229 | |
| 1230 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
| 1231 | |
| 1232 | If the event is a button press, then note that we have grabbed |
| 1233 | the mouse. */ |
| 1234 | |
| 1235 | static void |
| 1236 | construct_mouse_click (result, msg, f) |
| 1237 | struct input_event *result; |
| 1238 | Win32Msg *msg; |
| 1239 | struct frame *f; |
| 1240 | { |
| 1241 | int button; |
| 1242 | int up; |
| 1243 | |
| 1244 | parse_button (msg->msg.message, &button, &up); |
| 1245 | |
| 1246 | /* Make the event type no_event; we'll change that when we decide |
| 1247 | otherwise. */ |
| 1248 | result->kind = mouse_click; |
| 1249 | result->code = button; |
| 1250 | result->timestamp = msg->msg.time; |
| 1251 | result->modifiers = (msg->dwModifiers |
| 1252 | | (up |
| 1253 | ? up_modifier |
| 1254 | : down_modifier)); |
| 1255 | |
| 1256 | { |
| 1257 | int row, column; |
| 1258 | |
| 1259 | XSETINT (result->x, LOWORD (msg->msg.lParam)); |
| 1260 | XSETINT (result->y, HIWORD (msg->msg.lParam)); |
| 1261 | XSETFRAME (result->frame_or_window, f); |
| 1262 | } |
| 1263 | } |
| 1264 | |
| 1265 | \f |
| 1266 | /* Function to report a mouse movement to the mainstream Emacs code. |
| 1267 | The input handler calls this. |
| 1268 | |
| 1269 | We have received a mouse movement event, which is given in *event. |
| 1270 | If the mouse is over a different glyph than it was last time, tell |
| 1271 | the mainstream emacs code by setting mouse_moved. If not, ask for |
| 1272 | another motion event, so we can check again the next time it moves. */ |
| 1273 | |
| 1274 | static void |
| 1275 | note_mouse_movement (frame, msg) |
| 1276 | FRAME_PTR frame; |
| 1277 | MSG *msg; |
| 1278 | { |
| 1279 | last_mouse_movement_time = msg->time; |
| 1280 | |
| 1281 | if (msg->hwnd != FRAME_WIN32_WINDOW (frame)) |
| 1282 | { |
| 1283 | frame->mouse_moved = 1; |
| 1284 | last_mouse_scroll_bar = Qnil; |
| 1285 | |
| 1286 | note_mouse_highlight (frame, -1, -1); |
| 1287 | } |
| 1288 | |
| 1289 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
| 1290 | else if (LOWORD (msg->lParam) < last_mouse_glyph.left |
| 1291 | || LOWORD (msg->lParam) > last_mouse_glyph.right |
| 1292 | || HIWORD (msg->lParam) < last_mouse_glyph.top |
| 1293 | || HIWORD (msg->lParam) > last_mouse_glyph.bottom) |
| 1294 | { |
| 1295 | frame->mouse_moved = 1; |
| 1296 | last_mouse_scroll_bar = Qnil; |
| 1297 | |
| 1298 | note_mouse_highlight (frame, LOWORD (msg->lParam), HIWORD (msg->lParam)); |
| 1299 | } |
| 1300 | } |
| 1301 | |
| 1302 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
| 1303 | static int disable_mouse_highlight; |
| 1304 | |
| 1305 | /* Take proper action when the mouse has moved to position X, Y on frame F |
| 1306 | as regards highlighting characters that have mouse-face properties. |
| 1307 | Also dehighlighting chars where the mouse was before. |
| 1308 | X and Y can be negative or out of range. */ |
| 1309 | |
| 1310 | static void |
| 1311 | note_mouse_highlight (f, x, y) |
| 1312 | FRAME_PTR f; |
| 1313 | int x, y; |
| 1314 | { |
| 1315 | int row, column, portion; |
| 1316 | RECT new_glyph; |
| 1317 | Lisp_Object window; |
| 1318 | struct window *w; |
| 1319 | |
| 1320 | if (disable_mouse_highlight) |
| 1321 | return; |
| 1322 | |
| 1323 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_x = x; |
| 1324 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_y = y; |
| 1325 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame = f; |
| 1326 | |
| 1327 | if (FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_defer) |
| 1328 | return; |
| 1329 | |
| 1330 | if (gc_in_progress) |
| 1331 | { |
| 1332 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_deferred_gc = 1; |
| 1333 | return; |
| 1334 | } |
| 1335 | |
| 1336 | /* Find out which glyph the mouse is on. */ |
| 1337 | pixel_to_glyph_coords (f, x, y, &column, &row, |
| 1338 | &new_glyph, FRAME_WIN32_DISPLAY_INFO (f)->grabbed); |
| 1339 | |
| 1340 | /* Which window is that in? */ |
| 1341 | window = window_from_coordinates (f, column, row, &portion); |
| 1342 | w = XWINDOW (window); |
| 1343 | |
| 1344 | /* If we were displaying active text in another window, clear that. */ |
| 1345 | if (! EQ (window, FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window)) |
| 1346 | clear_mouse_face (FRAME_WIN32_DISPLAY_INFO (f)); |
| 1347 | |
| 1348 | /* Are we in a window whose display is up to date? |
| 1349 | And verify the buffer's text has not changed. */ |
| 1350 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 |
| 1351 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) |
| 1352 | && EQ (w->window_end_valid, w->buffer) |
| 1353 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer)) |
| 1354 | && w->last_overlay_modified == BUF_OVERLAY_MODIFF (XBUFFER (w->buffer))) |
| 1355 | { |
| 1356 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; |
| 1357 | int i, pos; |
| 1358 | |
| 1359 | /* Find which buffer position the mouse corresponds to. */ |
| 1360 | for (i = column; i >= 0; i--) |
| 1361 | if (ptr[i] > 0) |
| 1362 | break; |
| 1363 | pos = ptr[i]; |
| 1364 | /* Is it outside the displayed active region (if any)? */ |
| 1365 | if (pos <= 0) |
| 1366 | clear_mouse_face (FRAME_WIN32_DISPLAY_INFO (f)); |
| 1367 | else if (! (EQ (window, FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window) |
| 1368 | && row >= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row |
| 1369 | && row <= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row |
| 1370 | && (row > FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row |
| 1371 | || column >= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col) |
| 1372 | && (row < FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row |
| 1373 | || column < FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col |
| 1374 | || FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_past_end))) |
| 1375 | { |
| 1376 | Lisp_Object mouse_face, overlay, position; |
| 1377 | Lisp_Object *overlay_vec; |
| 1378 | int len, noverlays, ignor1; |
| 1379 | struct buffer *obuf; |
| 1380 | int obegv, ozv; |
| 1381 | |
| 1382 | /* If we get an out-of-range value, return now; avoid an error. */ |
| 1383 | if (pos > BUF_Z (XBUFFER (w->buffer))) |
| 1384 | return; |
| 1385 | |
| 1386 | /* Make the window's buffer temporarily current for |
| 1387 | overlays_at and compute_char_face. */ |
| 1388 | obuf = current_buffer; |
| 1389 | current_buffer = XBUFFER (w->buffer); |
| 1390 | obegv = BEGV; |
| 1391 | ozv = ZV; |
| 1392 | BEGV = BEG; |
| 1393 | ZV = Z; |
| 1394 | |
| 1395 | /* Yes. Clear the display of the old active region, if any. */ |
| 1396 | clear_mouse_face (FRAME_WIN32_DISPLAY_INFO (f)); |
| 1397 | |
| 1398 | /* Is this char mouse-active? */ |
| 1399 | XSETINT (position, pos); |
| 1400 | |
| 1401 | len = 10; |
| 1402 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); |
| 1403 | |
| 1404 | /* Put all the overlays we want in a vector in overlay_vec. |
| 1405 | Store the length in len. */ |
| 1406 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, |
| 1407 | NULL, NULL); |
| 1408 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
| 1409 | |
| 1410 | /* Find the highest priority overlay that has a mouse-face prop. */ |
| 1411 | overlay = Qnil; |
| 1412 | for (i = 0; i < noverlays; i++) |
| 1413 | { |
| 1414 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); |
| 1415 | if (!NILP (mouse_face)) |
| 1416 | { |
| 1417 | overlay = overlay_vec[i]; |
| 1418 | break; |
| 1419 | } |
| 1420 | } |
| 1421 | free (overlay_vec); |
| 1422 | /* If no overlay applies, get a text property. */ |
| 1423 | if (NILP (overlay)) |
| 1424 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); |
| 1425 | |
| 1426 | /* Handle the overlay case. */ |
| 1427 | if (! NILP (overlay)) |
| 1428 | { |
| 1429 | /* Find the range of text around this char that |
| 1430 | should be active. */ |
| 1431 | Lisp_Object before, after; |
| 1432 | int ignore; |
| 1433 | |
| 1434 | before = Foverlay_start (overlay); |
| 1435 | after = Foverlay_end (overlay); |
| 1436 | /* Record this as the current active region. */ |
| 1437 | fast_find_position (window, before, |
| 1438 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col, |
| 1439 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row); |
| 1440 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_past_end |
| 1441 | = !fast_find_position (window, after, |
| 1442 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col, |
| 1443 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row); |
| 1444 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window = window; |
| 1445 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_face_id |
| 1446 | = compute_char_face (f, w, pos, 0, 0, |
| 1447 | &ignore, pos + 1, 1); |
| 1448 | |
| 1449 | /* Display it as active. */ |
| 1450 | show_mouse_face (FRAME_WIN32_DISPLAY_INFO (f), 1); |
| 1451 | } |
| 1452 | /* Handle the text property case. */ |
| 1453 | else if (! NILP (mouse_face)) |
| 1454 | { |
| 1455 | /* Find the range of text around this char that |
| 1456 | should be active. */ |
| 1457 | Lisp_Object before, after, beginning, end; |
| 1458 | int ignore; |
| 1459 | |
| 1460 | beginning = Fmarker_position (w->start); |
| 1461 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) |
| 1462 | - XFASTINT (w->window_end_pos))); |
| 1463 | before |
| 1464 | = Fprevious_single_property_change (make_number (pos + 1), |
| 1465 | Qmouse_face, |
| 1466 | w->buffer, beginning); |
| 1467 | after |
| 1468 | = Fnext_single_property_change (position, Qmouse_face, |
| 1469 | w->buffer, end); |
| 1470 | /* Record this as the current active region. */ |
| 1471 | fast_find_position (window, before, |
| 1472 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col, |
| 1473 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row); |
| 1474 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_past_end |
| 1475 | = !fast_find_position (window, after, |
| 1476 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col, |
| 1477 | &FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row); |
| 1478 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_window = window; |
| 1479 | FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_face_id |
| 1480 | = compute_char_face (f, w, pos, 0, 0, |
| 1481 | &ignore, pos + 1, 1); |
| 1482 | |
| 1483 | /* Display it as active. */ |
| 1484 | show_mouse_face (FRAME_WIN32_DISPLAY_INFO (f), 1); |
| 1485 | } |
| 1486 | BEGV = obegv; |
| 1487 | ZV = ozv; |
| 1488 | current_buffer = obuf; |
| 1489 | } |
| 1490 | } |
| 1491 | } |
| 1492 | \f |
| 1493 | /* Find the row and column of position POS in window WINDOW. |
| 1494 | Store them in *COLUMNP and *ROWP. |
| 1495 | This assumes display in WINDOW is up to date. |
| 1496 | If POS is above start of WINDOW, return coords |
| 1497 | of start of first screen line. |
| 1498 | If POS is after end of WINDOW, return coords of end of last screen line. |
| 1499 | |
| 1500 | Value is 1 if POS is in range, 0 if it was off screen. */ |
| 1501 | |
| 1502 | static int |
| 1503 | fast_find_position (window, pos, columnp, rowp) |
| 1504 | Lisp_Object window; |
| 1505 | int pos; |
| 1506 | int *columnp, *rowp; |
| 1507 | { |
| 1508 | struct window *w = XWINDOW (window); |
| 1509 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); |
| 1510 | int i; |
| 1511 | int row = 0; |
| 1512 | int left = WINDOW_LEFT_MARGIN (w); |
| 1513 | int top = w->top; |
| 1514 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); |
| 1515 | int width = window_internal_width (w); |
| 1516 | int *charstarts; |
| 1517 | int lastcol; |
| 1518 | int maybe_next_line = 0; |
| 1519 | |
| 1520 | /* Find the right row. */ |
| 1521 | for (i = 0; |
| 1522 | i < height; |
| 1523 | i++) |
| 1524 | { |
| 1525 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; |
| 1526 | if (linestart > pos) |
| 1527 | break; |
| 1528 | /* If the position sought is the end of the buffer, |
| 1529 | don't include the blank lines at the bottom of the window. */ |
| 1530 | if (linestart == pos && pos == BUF_ZV (XBUFFER (w->buffer))) |
| 1531 | { |
| 1532 | maybe_next_line = 1; |
| 1533 | break; |
| 1534 | } |
| 1535 | if (linestart > 0) |
| 1536 | row = i; |
| 1537 | } |
| 1538 | |
| 1539 | /* Find the right column with in it. */ |
| 1540 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; |
| 1541 | lastcol = left; |
| 1542 | for (i = 0; i < width; i++) |
| 1543 | { |
| 1544 | if (charstarts[left + i] == pos) |
| 1545 | { |
| 1546 | *rowp = row + top; |
| 1547 | *columnp = i + left; |
| 1548 | return 1; |
| 1549 | } |
| 1550 | else if (charstarts[left + i] > pos) |
| 1551 | break; |
| 1552 | else if (charstarts[left + i] > 0) |
| 1553 | lastcol = left + i; |
| 1554 | } |
| 1555 | |
| 1556 | /* If we're looking for the end of the buffer, |
| 1557 | and we didn't find it in the line we scanned, |
| 1558 | use the start of the following line. */ |
| 1559 | if (maybe_next_line) |
| 1560 | { |
| 1561 | row++; |
| 1562 | i = 0; |
| 1563 | } |
| 1564 | |
| 1565 | *rowp = row + top; |
| 1566 | *columnp = lastcol; |
| 1567 | return 0; |
| 1568 | } |
| 1569 | |
| 1570 | /* Display the active region described by mouse_face_* |
| 1571 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ |
| 1572 | |
| 1573 | static void |
| 1574 | show_mouse_face (dpyinfo, hl) |
| 1575 | struct win32_display_info *dpyinfo; |
| 1576 | int hl; |
| 1577 | { |
| 1578 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); |
| 1579 | int width = window_internal_width (w); |
| 1580 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); |
| 1581 | int i; |
| 1582 | int cursor_off = 0; |
| 1583 | int old_curs_x = curs_x; |
| 1584 | int old_curs_y = curs_y; |
| 1585 | |
| 1586 | /* Set these variables temporarily |
| 1587 | so that if we have to turn the cursor off and on again |
| 1588 | we will put it back at the same place. */ |
| 1589 | curs_x = f->phys_cursor_x; |
| 1590 | curs_y = f->phys_cursor_y; |
| 1591 | |
| 1592 | for (i = FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row; |
| 1593 | i <= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row; i++) |
| 1594 | { |
| 1595 | int column = (i == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row |
| 1596 | ? FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col |
| 1597 | : WINDOW_LEFT_MARGIN (w)); |
| 1598 | int endcolumn = (i == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row |
| 1599 | ? FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col |
| 1600 | : WINDOW_LEFT_MARGIN (w) + width); |
| 1601 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
| 1602 | |
| 1603 | /* If the cursor's in the text we are about to rewrite, |
| 1604 | turn the cursor off. */ |
| 1605 | if (i == curs_y |
| 1606 | && curs_x >= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col - 1 |
| 1607 | && curs_x <= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col) |
| 1608 | { |
| 1609 | x_display_cursor (f, 0); |
| 1610 | cursor_off = 1; |
| 1611 | } |
| 1612 | |
| 1613 | dumpglyphs (f, |
| 1614 | CHAR_TO_PIXEL_COL (f, column), |
| 1615 | CHAR_TO_PIXEL_ROW (f, i), |
| 1616 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, |
| 1617 | endcolumn - column, |
| 1618 | /* Highlight with mouse face if hl > 0. */ |
| 1619 | hl > 0 ? 3 : 0, 0); |
| 1620 | } |
| 1621 | |
| 1622 | /* If we turned the cursor off, turn it back on. */ |
| 1623 | if (cursor_off) |
| 1624 | x_display_cursor (f, 1); |
| 1625 | |
| 1626 | curs_x = old_curs_x; |
| 1627 | curs_y = old_curs_y; |
| 1628 | |
| 1629 | /* Change the mouse cursor according to the value of HL. */ |
| 1630 | if (hl > 0) |
| 1631 | SetCursor (f->output_data.win32->cross_cursor); |
| 1632 | else |
| 1633 | SetCursor (f->output_data.win32->text_cursor); |
| 1634 | } |
| 1635 | |
| 1636 | /* Clear out the mouse-highlighted active region. |
| 1637 | Redraw it unhighlighted first. */ |
| 1638 | |
| 1639 | static void |
| 1640 | clear_mouse_face (dpyinfo) |
| 1641 | struct win32_display_info *dpyinfo; |
| 1642 | { |
| 1643 | if (! NILP (dpyinfo->mouse_face_window)) |
| 1644 | show_mouse_face (dpyinfo, 0); |
| 1645 | |
| 1646 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
| 1647 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; |
| 1648 | dpyinfo->mouse_face_window = Qnil; |
| 1649 | } |
| 1650 | \f |
| 1651 | struct scroll_bar *x_window_to_scroll_bar (); |
| 1652 | static void x_scroll_bar_report_motion (); |
| 1653 | |
| 1654 | /* Return the current position of the mouse. |
| 1655 | *fp should be a frame which indicates which display to ask about. |
| 1656 | |
| 1657 | If the mouse movement started in a scroll bar, set *fp, *bar_window, |
| 1658 | and *part to the frame, window, and scroll bar part that the mouse |
| 1659 | is over. Set *x and *y to the portion and whole of the mouse's |
| 1660 | position on the scroll bar. |
| 1661 | |
| 1662 | If the mouse movement started elsewhere, set *fp to the frame the |
| 1663 | mouse is on, *bar_window to nil, and *x and *y to the character cell |
| 1664 | the mouse is over. |
| 1665 | |
| 1666 | Set *time to the server timestamp for the time at which the mouse |
| 1667 | was at this position. |
| 1668 | |
| 1669 | Don't store anything if we don't have a valid set of values to report. |
| 1670 | |
| 1671 | This clears the mouse_moved flag, so we can wait for the next mouse |
| 1672 | movement. This also calls XQueryPointer, which will cause the |
| 1673 | server to give us another MotionNotify when the mouse moves |
| 1674 | again. */ |
| 1675 | |
| 1676 | static void |
| 1677 | win32_mouse_position (fp, insist, bar_window, part, x, y, time) |
| 1678 | FRAME_PTR *fp; |
| 1679 | int insist; |
| 1680 | Lisp_Object *bar_window; |
| 1681 | enum scroll_bar_part *part; |
| 1682 | Lisp_Object *x, *y; |
| 1683 | unsigned long *time; |
| 1684 | { |
| 1685 | FRAME_PTR f1; |
| 1686 | |
| 1687 | BLOCK_INPUT; |
| 1688 | |
| 1689 | if (! NILP (last_mouse_scroll_bar)) |
| 1690 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
| 1691 | else |
| 1692 | { |
| 1693 | POINT pt; |
| 1694 | |
| 1695 | Lisp_Object frame, tail; |
| 1696 | |
| 1697 | /* Clear the mouse-moved flag for every frame on this display. */ |
| 1698 | FOR_EACH_FRAME (tail, frame) |
| 1699 | XFRAME (frame)->mouse_moved = 0; |
| 1700 | |
| 1701 | last_mouse_scroll_bar = Qnil; |
| 1702 | |
| 1703 | GetCursorPos (&pt); |
| 1704 | |
| 1705 | /* Now we have a position on the root; find the innermost window |
| 1706 | containing the pointer. */ |
| 1707 | { |
| 1708 | if (FRAME_WIN32_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
| 1709 | && FRAME_LIVE_P (last_mouse_frame)) |
| 1710 | { |
| 1711 | f1 = last_mouse_frame; |
| 1712 | } |
| 1713 | else |
| 1714 | { |
| 1715 | /* Is win one of our frames? */ |
| 1716 | f1 = x_window_to_frame (FRAME_WIN32_DISPLAY_INFO (*fp), WindowFromPoint(pt)); |
| 1717 | } |
| 1718 | |
| 1719 | /* If not, is it one of our scroll bars? */ |
| 1720 | if (! f1) |
| 1721 | { |
| 1722 | struct scroll_bar *bar = x_window_to_scroll_bar (WindowFromPoint(pt)); |
| 1723 | |
| 1724 | if (bar) |
| 1725 | { |
| 1726 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
| 1727 | } |
| 1728 | } |
| 1729 | |
| 1730 | if (f1 == 0 && insist) |
| 1731 | f1 = selected_frame; |
| 1732 | |
| 1733 | if (f1) |
| 1734 | { |
| 1735 | int ignore1, ignore2; |
| 1736 | |
| 1737 | ScreenToClient (FRAME_WIN32_WINDOW (f1), &pt); |
| 1738 | |
| 1739 | /* Ok, we found a frame. Store all the values. */ |
| 1740 | |
| 1741 | pixel_to_glyph_coords (f1, pt.x, pt.y, &ignore1, &ignore2, |
| 1742 | &last_mouse_glyph, |
| 1743 | FRAME_WIN32_DISPLAY_INFO (f1)->grabbed |
| 1744 | || insist); |
| 1745 | |
| 1746 | *bar_window = Qnil; |
| 1747 | *part = 0; |
| 1748 | *fp = f1; |
| 1749 | XSETINT (*x, pt.x); |
| 1750 | XSETINT (*y, pt.y); |
| 1751 | *time = last_mouse_movement_time; |
| 1752 | } |
| 1753 | } |
| 1754 | } |
| 1755 | |
| 1756 | UNBLOCK_INPUT; |
| 1757 | } |
| 1758 | \f |
| 1759 | /* Scroll bar support. */ |
| 1760 | |
| 1761 | /* Given an window ID, find the struct scroll_bar which manages it. |
| 1762 | This can be called in GC, so we have to make sure to strip off mark |
| 1763 | bits. */ |
| 1764 | struct scroll_bar * |
| 1765 | x_window_to_scroll_bar (window_id) |
| 1766 | Window window_id; |
| 1767 | { |
| 1768 | Lisp_Object tail, frame; |
| 1769 | |
| 1770 | for (tail = Vframe_list; |
| 1771 | XGCTYPE (tail) == Lisp_Cons; |
| 1772 | tail = XCONS (tail)->cdr) |
| 1773 | { |
| 1774 | Lisp_Object frame, bar, condemned; |
| 1775 | |
| 1776 | frame = XCONS (tail)->car; |
| 1777 | /* All elements of Vframe_list should be frames. */ |
| 1778 | if (! GC_FRAMEP (frame)) |
| 1779 | abort (); |
| 1780 | |
| 1781 | /* Scan this frame's scroll bar list for a scroll bar with the |
| 1782 | right window ID. */ |
| 1783 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
| 1784 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); |
| 1785 | /* This trick allows us to search both the ordinary and |
| 1786 | condemned scroll bar lists with one loop. */ |
| 1787 | ! GC_NILP (bar) || (bar = condemned, |
| 1788 | condemned = Qnil, |
| 1789 | ! GC_NILP (bar)); |
| 1790 | bar = XSCROLL_BAR (bar)->next) |
| 1791 | if (SCROLL_BAR_WIN32_WINDOW (XSCROLL_BAR (bar)) == window_id) |
| 1792 | return XSCROLL_BAR (bar); |
| 1793 | } |
| 1794 | |
| 1795 | return 0; |
| 1796 | } |
| 1797 | |
| 1798 | HWND |
| 1799 | my_create_scrollbar (f, bar) |
| 1800 | struct frame * f; |
| 1801 | struct scroll_bar * bar; |
| 1802 | { |
| 1803 | MSG msg; |
| 1804 | |
| 1805 | PostThreadMessage (dwWinThreadId, WM_EMACS_CREATESCROLLBAR, (WPARAM) f, |
| 1806 | (LPARAM) bar); |
| 1807 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); |
| 1808 | |
| 1809 | return ((HWND) msg.wParam); |
| 1810 | } |
| 1811 | |
| 1812 | //#define ATTACH_THREADS |
| 1813 | |
| 1814 | void |
| 1815 | my_show_window (HWND hwnd, int how) |
| 1816 | { |
| 1817 | #ifndef ATTACH_THREADS |
| 1818 | SendMessage (hwnd, WM_EMACS_SHOWWINDOW, (WPARAM) how, 0); |
| 1819 | #else |
| 1820 | ShowWindow (hwnd , how); |
| 1821 | #endif |
| 1822 | } |
| 1823 | |
| 1824 | void |
| 1825 | my_set_window_pos (HWND hwnd, HWND hwndAfter, |
| 1826 | int x, int y, int cx, int cy, int flags) |
| 1827 | { |
| 1828 | #ifndef ATTACH_THREADS |
| 1829 | Win32WindowPos pos; |
| 1830 | pos.hwndAfter = hwndAfter; |
| 1831 | pos.x = x; |
| 1832 | pos.y = y; |
| 1833 | pos.cx = cx; |
| 1834 | pos.cy = cy; |
| 1835 | pos.flags = flags; |
| 1836 | SendMessage (hwnd, WM_EMACS_SETWINDOWPOS, (WPARAM) &pos, 0); |
| 1837 | #else |
| 1838 | SetWindowPos (hwnd, hwndAfter, x, y, cx, cy, flags); |
| 1839 | #endif |
| 1840 | } |
| 1841 | |
| 1842 | void |
| 1843 | my_destroy_window (f, hwnd) |
| 1844 | struct frame * f; |
| 1845 | HWND hwnd; |
| 1846 | { |
| 1847 | SendMessage (FRAME_WIN32_WINDOW (f), WM_EMACS_DESTROYWINDOW, |
| 1848 | (WPARAM) hwnd, 0); |
| 1849 | } |
| 1850 | |
| 1851 | /* Open a new window to serve as a scroll bar, and return the |
| 1852 | scroll bar vector for it. */ |
| 1853 | static struct scroll_bar * |
| 1854 | x_scroll_bar_create (window, top, left, width, height) |
| 1855 | struct window *window; |
| 1856 | int top, left, width, height; |
| 1857 | { |
| 1858 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); |
| 1859 | struct scroll_bar *bar |
| 1860 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); |
| 1861 | HWND hwnd; |
| 1862 | |
| 1863 | BLOCK_INPUT; |
| 1864 | |
| 1865 | XSETWINDOW (bar->window, window); |
| 1866 | XSETINT (bar->top, top); |
| 1867 | XSETINT (bar->left, left); |
| 1868 | XSETINT (bar->width, width); |
| 1869 | XSETINT (bar->height, height); |
| 1870 | XSETINT (bar->start, 0); |
| 1871 | XSETINT (bar->end, 0); |
| 1872 | bar->dragging = Qnil; |
| 1873 | |
| 1874 | /* Requires geometry to be set before call to create the real window */ |
| 1875 | |
| 1876 | hwnd = my_create_scrollbar (f, bar); |
| 1877 | |
| 1878 | SetScrollRange (hwnd, SB_CTL, 0, height, FALSE); |
| 1879 | SetScrollPos (hwnd, SB_CTL, 0, TRUE); |
| 1880 | |
| 1881 | SET_SCROLL_BAR_WIN32_WINDOW (bar, hwnd); |
| 1882 | |
| 1883 | /* Add bar to its frame's list of scroll bars. */ |
| 1884 | bar->next = FRAME_SCROLL_BARS (f); |
| 1885 | bar->prev = Qnil; |
| 1886 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
| 1887 | if (! NILP (bar->next)) |
| 1888 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
| 1889 | |
| 1890 | UNBLOCK_INPUT; |
| 1891 | |
| 1892 | return bar; |
| 1893 | } |
| 1894 | |
| 1895 | /* Draw BAR's handle in the proper position. |
| 1896 | If the handle is already drawn from START to END, don't bother |
| 1897 | redrawing it, unless REBUILD is non-zero; in that case, always |
| 1898 | redraw it. (REBUILD is handy for drawing the handle after expose |
| 1899 | events.) |
| 1900 | |
| 1901 | Normally, we want to constrain the start and end of the handle to |
| 1902 | fit inside its rectangle, but if the user is dragging the scroll bar |
| 1903 | handle, we want to let them drag it down all the way, so that the |
| 1904 | bar's top is as far down as it goes; otherwise, there's no way to |
| 1905 | move to the very end of the buffer. */ |
| 1906 | static void |
| 1907 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
| 1908 | struct scroll_bar *bar; |
| 1909 | int start, end; |
| 1910 | int rebuild; |
| 1911 | { |
| 1912 | int dragging = ! NILP (bar->dragging); |
| 1913 | Window w = SCROLL_BAR_WIN32_WINDOW (bar); |
| 1914 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
| 1915 | |
| 1916 | /* If the display is already accurate, do nothing. */ |
| 1917 | if (! rebuild |
| 1918 | && start == XINT (bar->start) |
| 1919 | && end == XINT (bar->end)) |
| 1920 | return; |
| 1921 | |
| 1922 | BLOCK_INPUT; |
| 1923 | |
| 1924 | /* Store the adjusted setting in the scroll bar. */ |
| 1925 | XSETINT (bar->start, start); |
| 1926 | XSETINT (bar->end, end); |
| 1927 | |
| 1928 | SetScrollPos (w, SB_CTL, start, TRUE); |
| 1929 | |
| 1930 | UNBLOCK_INPUT; |
| 1931 | } |
| 1932 | |
| 1933 | /* Move a scroll bar around on the screen, to accommodate changing |
| 1934 | window configurations. */ |
| 1935 | static void |
| 1936 | x_scroll_bar_move (bar, top, left, width, height) |
| 1937 | struct scroll_bar *bar; |
| 1938 | int top, left, width, height; |
| 1939 | { |
| 1940 | Window w = SCROLL_BAR_WIN32_WINDOW (bar); |
| 1941 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
| 1942 | |
| 1943 | BLOCK_INPUT; |
| 1944 | |
| 1945 | MoveWindow (w, left, top, width, height, TRUE); |
| 1946 | SetScrollRange (w, SB_CTL, 0, height, FALSE); |
| 1947 | InvalidateRect (w, NULL, FALSE); |
| 1948 | my_show_window (w, SW_NORMAL); |
| 1949 | |
| 1950 | XSETINT (bar->left, left); |
| 1951 | XSETINT (bar->top, top); |
| 1952 | XSETINT (bar->width, width); |
| 1953 | XSETINT (bar->height, height); |
| 1954 | |
| 1955 | UNBLOCK_INPUT; |
| 1956 | } |
| 1957 | |
| 1958 | /* Destroy the window for BAR, and set its Emacs window's scroll bar |
| 1959 | to nil. */ |
| 1960 | static void |
| 1961 | x_scroll_bar_remove (bar) |
| 1962 | struct scroll_bar *bar; |
| 1963 | { |
| 1964 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
| 1965 | |
| 1966 | BLOCK_INPUT; |
| 1967 | |
| 1968 | /* Destroy the window. */ |
| 1969 | my_destroy_window (f, SCROLL_BAR_WIN32_WINDOW (bar)); |
| 1970 | |
| 1971 | /* Disassociate this scroll bar from its window. */ |
| 1972 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; |
| 1973 | |
| 1974 | UNBLOCK_INPUT; |
| 1975 | } |
| 1976 | |
| 1977 | /* Set the handle of the vertical scroll bar for WINDOW to indicate |
| 1978 | that we are displaying PORTION characters out of a total of WHOLE |
| 1979 | characters, starting at POSITION. If WINDOW has no scroll bar, |
| 1980 | create one. */ |
| 1981 | static void |
| 1982 | win32_set_vertical_scroll_bar (window, portion, whole, position) |
| 1983 | struct window *window; |
| 1984 | int portion, whole, position; |
| 1985 | { |
| 1986 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); |
| 1987 | int top = XINT (window->top); |
| 1988 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
| 1989 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); |
| 1990 | |
| 1991 | /* Where should this scroll bar be, pixelwise? */ |
| 1992 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
| 1993 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); |
| 1994 | int pixel_width |
| 1995 | = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 |
| 1996 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
| 1997 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.win32->font))); |
| 1998 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); |
| 1999 | |
| 2000 | struct scroll_bar *bar; |
| 2001 | |
| 2002 | /* Does the scroll bar exist yet? */ |
| 2003 | if (NILP (window->vertical_scroll_bar)) |
| 2004 | bar = x_scroll_bar_create (window, |
| 2005 | pixel_top, pixel_left, |
| 2006 | pixel_width, pixel_height); |
| 2007 | else |
| 2008 | { |
| 2009 | /* It may just need to be moved and resized. */ |
| 2010 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
| 2011 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); |
| 2012 | } |
| 2013 | |
| 2014 | /* Set the scroll bar's current state, unless we're currently being |
| 2015 | dragged. */ |
| 2016 | if (NILP (bar->dragging)) |
| 2017 | { |
| 2018 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
| 2019 | |
| 2020 | if (whole == 0) |
| 2021 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
| 2022 | else |
| 2023 | { |
| 2024 | int start = (int) (((double) position * top_range) / whole); |
| 2025 | int end = (int) (((double) (position + portion) * top_range) / whole); |
| 2026 | |
| 2027 | x_scroll_bar_set_handle (bar, start, end, 0); |
| 2028 | } |
| 2029 | } |
| 2030 | |
| 2031 | XSETVECTOR (window->vertical_scroll_bar, bar); |
| 2032 | } |
| 2033 | |
| 2034 | |
| 2035 | /* The following three hooks are used when we're doing a thorough |
| 2036 | redisplay of the frame. We don't explicitly know which scroll bars |
| 2037 | are going to be deleted, because keeping track of when windows go |
| 2038 | away is a real pain - "Can you say set-window-configuration, boys |
| 2039 | and girls?" Instead, we just assert at the beginning of redisplay |
| 2040 | that *all* scroll bars are to be removed, and then save a scroll bar |
| 2041 | from the fiery pit when we actually redisplay its window. */ |
| 2042 | |
| 2043 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
| 2044 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if |
| 2045 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ |
| 2046 | static void |
| 2047 | win32_condemn_scroll_bars (frame) |
| 2048 | FRAME_PTR frame; |
| 2049 | { |
| 2050 | /* The condemned list should be empty at this point; if it's not, |
| 2051 | then the rest of Emacs isn't using the condemn/redeem/judge |
| 2052 | protocol correctly. */ |
| 2053 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
| 2054 | abort (); |
| 2055 | |
| 2056 | /* Move them all to the "condemned" list. */ |
| 2057 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
| 2058 | FRAME_SCROLL_BARS (frame) = Qnil; |
| 2059 | } |
| 2060 | |
| 2061 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
| 2062 | Note that WINDOW isn't necessarily condemned at all. */ |
| 2063 | static void |
| 2064 | win32_redeem_scroll_bar (window) |
| 2065 | struct window *window; |
| 2066 | { |
| 2067 | struct scroll_bar *bar; |
| 2068 | |
| 2069 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
| 2070 | if (NILP (window->vertical_scroll_bar)) |
| 2071 | abort (); |
| 2072 | |
| 2073 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
| 2074 | |
| 2075 | /* Unlink it from the condemned list. */ |
| 2076 | { |
| 2077 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); |
| 2078 | |
| 2079 | if (NILP (bar->prev)) |
| 2080 | { |
| 2081 | /* If the prev pointer is nil, it must be the first in one of |
| 2082 | the lists. */ |
| 2083 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
| 2084 | /* It's not condemned. Everything's fine. */ |
| 2085 | return; |
| 2086 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
| 2087 | window->vertical_scroll_bar)) |
| 2088 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; |
| 2089 | else |
| 2090 | /* If its prev pointer is nil, it must be at the front of |
| 2091 | one or the other! */ |
| 2092 | abort (); |
| 2093 | } |
| 2094 | else |
| 2095 | XSCROLL_BAR (bar->prev)->next = bar->next; |
| 2096 | |
| 2097 | if (! NILP (bar->next)) |
| 2098 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
| 2099 | |
| 2100 | bar->next = FRAME_SCROLL_BARS (f); |
| 2101 | bar->prev = Qnil; |
| 2102 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
| 2103 | if (! NILP (bar->next)) |
| 2104 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
| 2105 | } |
| 2106 | } |
| 2107 | |
| 2108 | /* Remove all scroll bars on FRAME that haven't been saved since the |
| 2109 | last call to `*condemn_scroll_bars_hook'. */ |
| 2110 | static void |
| 2111 | win32_judge_scroll_bars (f) |
| 2112 | FRAME_PTR f; |
| 2113 | { |
| 2114 | Lisp_Object bar, next; |
| 2115 | |
| 2116 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
| 2117 | |
| 2118 | /* Clear out the condemned list now so we won't try to process any |
| 2119 | more events on the hapless scroll bars. */ |
| 2120 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; |
| 2121 | |
| 2122 | for (; ! NILP (bar); bar = next) |
| 2123 | { |
| 2124 | struct scroll_bar *b = XSCROLL_BAR (bar); |
| 2125 | |
| 2126 | x_scroll_bar_remove (b); |
| 2127 | |
| 2128 | next = b->next; |
| 2129 | b->next = b->prev = Qnil; |
| 2130 | } |
| 2131 | |
| 2132 | /* Now there should be no references to the condemned scroll bars, |
| 2133 | and they should get garbage-collected. */ |
| 2134 | } |
| 2135 | |
| 2136 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
| 2137 | is set to something other than no_event, it is enqueued. |
| 2138 | |
| 2139 | This may be called from a signal handler, so we have to ignore GC |
| 2140 | mark bits. */ |
| 2141 | |
| 2142 | static int |
| 2143 | x_scroll_bar_handle_click (bar, msg, emacs_event) |
| 2144 | struct scroll_bar *bar; |
| 2145 | Win32Msg *msg; |
| 2146 | struct input_event *emacs_event; |
| 2147 | { |
| 2148 | if (! GC_WINDOWP (bar->window)) |
| 2149 | abort (); |
| 2150 | |
| 2151 | emacs_event->kind = win32_scroll_bar_click; |
| 2152 | emacs_event->code = 0; |
| 2153 | /* not really meaningful to distinguish up/down */ |
| 2154 | emacs_event->modifiers = msg->dwModifiers; |
| 2155 | emacs_event->frame_or_window = bar->window; |
| 2156 | emacs_event->timestamp = msg->msg.time; |
| 2157 | |
| 2158 | { |
| 2159 | int internal_height |
| 2160 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
| 2161 | int top_range |
| 2162 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
| 2163 | int y = GetScrollPos ((HWND) msg->msg.lParam, SB_CTL); |
| 2164 | |
| 2165 | switch (LOWORD (msg->msg.wParam)) |
| 2166 | { |
| 2167 | case SB_THUMBTRACK: |
| 2168 | emacs_event->part = scroll_bar_handle; |
| 2169 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)) <= 0xffff) |
| 2170 | y = HIWORD (msg->msg.wParam); |
| 2171 | break; |
| 2172 | case SB_LINEDOWN: |
| 2173 | emacs_event->part = scroll_bar_down_arrow; |
| 2174 | break; |
| 2175 | case SB_LINEUP: |
| 2176 | emacs_event->part = scroll_bar_up_arrow; |
| 2177 | break; |
| 2178 | case SB_PAGEUP: |
| 2179 | emacs_event->part = scroll_bar_above_handle; |
| 2180 | break; |
| 2181 | case SB_PAGEDOWN: |
| 2182 | emacs_event->part = scroll_bar_below_handle; |
| 2183 | break; |
| 2184 | case SB_TOP: |
| 2185 | emacs_event->part = scroll_bar_handle; |
| 2186 | y = 0; |
| 2187 | break; |
| 2188 | case SB_BOTTOM: |
| 2189 | emacs_event->part = scroll_bar_handle; |
| 2190 | y = top_range; |
| 2191 | break; |
| 2192 | case SB_THUMBPOSITION: |
| 2193 | emacs_event->part = scroll_bar_handle; |
| 2194 | break; |
| 2195 | case SB_ENDSCROLL: |
| 2196 | default: |
| 2197 | SetScrollPos (SCROLL_BAR_WIN32_WINDOW (bar), SB_CTL, y, TRUE); |
| 2198 | return FALSE; |
| 2199 | } |
| 2200 | |
| 2201 | XSETINT (emacs_event->x, y); |
| 2202 | XSETINT (emacs_event->y, top_range); |
| 2203 | |
| 2204 | return TRUE; |
| 2205 | } |
| 2206 | } |
| 2207 | |
| 2208 | /* Return information to the user about the current position of the mouse |
| 2209 | on the scroll bar. */ |
| 2210 | static void |
| 2211 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) |
| 2212 | FRAME_PTR *fp; |
| 2213 | Lisp_Object *bar_window; |
| 2214 | enum scroll_bar_part *part; |
| 2215 | Lisp_Object *x, *y; |
| 2216 | unsigned long *time; |
| 2217 | { |
| 2218 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
| 2219 | Window w = SCROLL_BAR_WIN32_WINDOW (bar); |
| 2220 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
| 2221 | int pos; |
| 2222 | |
| 2223 | BLOCK_INPUT; |
| 2224 | |
| 2225 | *fp = f; |
| 2226 | *bar_window = bar->window; |
| 2227 | |
| 2228 | pos = GetScrollPos (w, SB_CTL); |
| 2229 | |
| 2230 | switch (LOWORD (last_mouse_scroll_bar_pos)) |
| 2231 | { |
| 2232 | case SB_THUMBPOSITION: |
| 2233 | case SB_THUMBTRACK: |
| 2234 | *part = scroll_bar_handle; |
| 2235 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)) <= 0xffff) |
| 2236 | pos = HIWORD (last_mouse_scroll_bar_pos); |
| 2237 | break; |
| 2238 | case SB_LINEDOWN: |
| 2239 | *part = scroll_bar_handle; |
| 2240 | pos++; |
| 2241 | break; |
| 2242 | default: |
| 2243 | *part = scroll_bar_handle; |
| 2244 | break; |
| 2245 | } |
| 2246 | |
| 2247 | XSETINT(*x, pos); |
| 2248 | XSETINT(*y, VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height))); |
| 2249 | |
| 2250 | f->mouse_moved = 0; |
| 2251 | last_mouse_scroll_bar = Qnil; |
| 2252 | |
| 2253 | *time = last_mouse_movement_time; |
| 2254 | |
| 2255 | UNBLOCK_INPUT; |
| 2256 | } |
| 2257 | |
| 2258 | /* The screen has been cleared so we may have changed foreground or |
| 2259 | background colors, and the scroll bars may need to be redrawn. |
| 2260 | Clear out the scroll bars, and ask for expose events, so we can |
| 2261 | redraw them. */ |
| 2262 | |
| 2263 | x_scroll_bar_clear (f) |
| 2264 | FRAME_PTR f; |
| 2265 | { |
| 2266 | Lisp_Object bar; |
| 2267 | |
| 2268 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); |
| 2269 | bar = XSCROLL_BAR (bar)->next) |
| 2270 | { |
| 2271 | HWND window = SCROLL_BAR_WIN32_WINDOW (XSCROLL_BAR (bar)); |
| 2272 | HDC hdc = GetDC (window); |
| 2273 | RECT rect; |
| 2274 | |
| 2275 | my_show_window (window, SW_HIDE); |
| 2276 | GetClientRect (window, &rect); |
| 2277 | select_palette (f, hdc); |
| 2278 | win32_clear_rect (f, hdc, &rect); |
| 2279 | deselect_palette (f, hdc); |
| 2280 | } |
| 2281 | } |
| 2282 | |
| 2283 | show_scroll_bars (f, how) |
| 2284 | FRAME_PTR f; |
| 2285 | int how; |
| 2286 | { |
| 2287 | Lisp_Object bar; |
| 2288 | |
| 2289 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); |
| 2290 | bar = XSCROLL_BAR (bar)->next) |
| 2291 | { |
| 2292 | HWND window = SCROLL_BAR_WIN32_WINDOW (XSCROLL_BAR (bar)); |
| 2293 | my_show_window (window, how); |
| 2294 | } |
| 2295 | } |
| 2296 | |
| 2297 | \f |
| 2298 | /* The main Win32 event-reading loop - w32_read_socket. */ |
| 2299 | |
| 2300 | /* Timestamp of enter window event. This is only used by w32_read_socket, |
| 2301 | but we have to put it out here, since static variables within functions |
| 2302 | sometimes don't work. */ |
| 2303 | static Time enter_timestamp; |
| 2304 | |
| 2305 | /* Record the last 100 characters stored |
| 2306 | to help debug the loss-of-chars-during-GC problem. */ |
| 2307 | int temp_index; |
| 2308 | short temp_buffer[100]; |
| 2309 | |
| 2310 | extern int key_event (KEY_EVENT_RECORD *, struct input_event *); |
| 2311 | |
| 2312 | /* Map a Win32 WM_CHAR message into a KEY_EVENT_RECORD so that |
| 2313 | we can use the same routines to handle input in both console |
| 2314 | and window modes. */ |
| 2315 | |
| 2316 | static void |
| 2317 | convert_to_key_event (Win32Msg *msgp, KEY_EVENT_RECORD *eventp) |
| 2318 | { |
| 2319 | eventp->bKeyDown = TRUE; |
| 2320 | eventp->wRepeatCount = 1; |
| 2321 | eventp->wVirtualKeyCode = msgp->msg.wParam; |
| 2322 | eventp->wVirtualScanCode = (msgp->msg.lParam & 0xFF0000) >> 16; |
| 2323 | eventp->uChar.AsciiChar = 0; |
| 2324 | eventp->dwControlKeyState = msgp->dwModifiers; |
| 2325 | } |
| 2326 | |
| 2327 | /* Return nonzero if the virtual key is a dead key. */ |
| 2328 | |
| 2329 | static int |
| 2330 | is_dead_key (int wparam) |
| 2331 | { |
| 2332 | unsigned int code = MapVirtualKey (wparam, 2); |
| 2333 | |
| 2334 | /* Win95 returns 0x8000, NT returns 0x80000000. */ |
| 2335 | if ((code & 0x8000) || (code & 0x80000000)) |
| 2336 | return 1; |
| 2337 | else |
| 2338 | return 0; |
| 2339 | } |
| 2340 | |
| 2341 | /* Read events coming from the Win32 shell. |
| 2342 | This routine is called by the SIGIO handler. |
| 2343 | We return as soon as there are no more events to be read. |
| 2344 | |
| 2345 | Events representing keys are stored in buffer BUFP, |
| 2346 | which can hold up to NUMCHARS characters. |
| 2347 | We return the number of characters stored into the buffer, |
| 2348 | thus pretending to be `read'. |
| 2349 | |
| 2350 | EXPECTED is nonzero if the caller knows input is available. |
| 2351 | |
| 2352 | Some of these messages are reposted back to the message queue since the |
| 2353 | system calls the winproc directly in a context where we cannot return the |
| 2354 | data nor can we guarantee the state we are in. So if we dispatch them |
| 2355 | we will get into an infinite loop. To prevent this from ever happening we |
| 2356 | will set a variable to indicate we are in the read_socket call and indicate |
| 2357 | which message we are processing since the winproc gets called recursively with different |
| 2358 | messages by the system. |
| 2359 | */ |
| 2360 | |
| 2361 | int |
| 2362 | w32_read_socket (sd, bufp, numchars, expected) |
| 2363 | register int sd; |
| 2364 | register struct input_event *bufp; |
| 2365 | register int numchars; |
| 2366 | int expected; |
| 2367 | { |
| 2368 | int count = 0; |
| 2369 | int nbytes = 0; |
| 2370 | int items_pending; /* How many items are in the X queue. */ |
| 2371 | Win32Msg msg; |
| 2372 | struct frame *f; |
| 2373 | int event_found = 0; |
| 2374 | int prefix; |
| 2375 | Lisp_Object part; |
| 2376 | struct win32_display_info *dpyinfo = &one_win32_display_info; |
| 2377 | |
| 2378 | if (interrupt_input_blocked) |
| 2379 | { |
| 2380 | interrupt_input_pending = 1; |
| 2381 | return -1; |
| 2382 | } |
| 2383 | |
| 2384 | interrupt_input_pending = 0; |
| 2385 | BLOCK_INPUT; |
| 2386 | |
| 2387 | /* So people can tell when we have read the available input. */ |
| 2388 | input_signal_count++; |
| 2389 | |
| 2390 | if (numchars <= 0) |
| 2391 | abort (); /* Don't think this happens. */ |
| 2392 | |
| 2393 | while (get_next_msg (&msg, FALSE)) |
| 2394 | { |
| 2395 | switch (msg.msg.message) |
| 2396 | { |
| 2397 | case WM_PAINT: |
| 2398 | { |
| 2399 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2400 | |
| 2401 | if (f) |
| 2402 | { |
| 2403 | if (f->async_visible == 0) |
| 2404 | { |
| 2405 | f->async_visible = 1; |
| 2406 | f->async_iconified = 0; |
| 2407 | SET_FRAME_GARBAGED (f); |
| 2408 | } |
| 2409 | else |
| 2410 | { |
| 2411 | /* Erase background again for safety. */ |
| 2412 | win32_clear_rect (f, NULL, &msg.rect); |
| 2413 | dumprectangle (f, |
| 2414 | msg.rect.left, |
| 2415 | msg.rect.top, |
| 2416 | msg.rect.right-msg.rect.left+1, |
| 2417 | msg.rect.bottom-msg.rect.top+1); |
| 2418 | } |
| 2419 | } |
| 2420 | } |
| 2421 | break; |
| 2422 | case WM_KEYDOWN: |
| 2423 | case WM_SYSKEYDOWN: |
| 2424 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2425 | |
| 2426 | if (f && !f->iconified) |
| 2427 | { |
| 2428 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
| 2429 | temp_index = 0; |
| 2430 | temp_buffer[temp_index++] = msg.msg.wParam; |
| 2431 | bufp->kind = non_ascii_keystroke; |
| 2432 | bufp->code = msg.msg.wParam; |
| 2433 | bufp->modifiers = win32_kbd_mods_to_emacs (msg.dwModifiers); |
| 2434 | XSETFRAME (bufp->frame_or_window, f); |
| 2435 | bufp->timestamp = msg.msg.time; |
| 2436 | bufp++; |
| 2437 | numchars--; |
| 2438 | count++; |
| 2439 | } |
| 2440 | break; |
| 2441 | case WM_SYSCHAR: |
| 2442 | case WM_CHAR: |
| 2443 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2444 | |
| 2445 | if (f && !f->iconified) |
| 2446 | { |
| 2447 | if (numchars > 1) |
| 2448 | { |
| 2449 | int add; |
| 2450 | KEY_EVENT_RECORD key, *keyp = &key; |
| 2451 | |
| 2452 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
| 2453 | temp_index = 0; |
| 2454 | |
| 2455 | convert_to_key_event (&msg, keyp); |
| 2456 | add = key_event (keyp, bufp); |
| 2457 | XSETFRAME (bufp->frame_or_window, f); |
| 2458 | if (add == -1) |
| 2459 | { |
| 2460 | /* The key pressed generated two characters, most likely |
| 2461 | an accent character and a key that could not be |
| 2462 | combined with it. Prepend the message on the queue |
| 2463 | again to process the second character (which is |
| 2464 | being held internally in key_event), and process |
| 2465 | the first character now. */ |
| 2466 | prepend_msg (&msg); |
| 2467 | add = 1; |
| 2468 | } |
| 2469 | |
| 2470 | /* Throw dead keys away. However, be sure not to |
| 2471 | throw away the dead key if it was produced using |
| 2472 | AltGr and there is a valid AltGr scan code for |
| 2473 | this key. */ |
| 2474 | if (is_dead_key (msg.msg.wParam) |
| 2475 | && !((VkKeyScan ((char) bufp->code) & 0xff00) == 0x600)) |
| 2476 | break; |
| 2477 | |
| 2478 | bufp += add; |
| 2479 | numchars -= add; |
| 2480 | count += add; |
| 2481 | } |
| 2482 | else |
| 2483 | { |
| 2484 | abort (); |
| 2485 | } |
| 2486 | } |
| 2487 | break; |
| 2488 | case WM_MOUSEMOVE: |
| 2489 | if (dpyinfo->grabbed && last_mouse_frame |
| 2490 | && FRAME_LIVE_P (last_mouse_frame)) |
| 2491 | f = last_mouse_frame; |
| 2492 | else |
| 2493 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2494 | |
| 2495 | if (f) |
| 2496 | note_mouse_movement (f, &msg.msg); |
| 2497 | else |
| 2498 | clear_mouse_face (FRAME_WIN32_DISPLAY_INFO (f)); |
| 2499 | |
| 2500 | break; |
| 2501 | case WM_LBUTTONDOWN: |
| 2502 | case WM_LBUTTONUP: |
| 2503 | case WM_MBUTTONDOWN: |
| 2504 | case WM_MBUTTONUP: |
| 2505 | case WM_RBUTTONDOWN: |
| 2506 | case WM_RBUTTONUP: |
| 2507 | { |
| 2508 | int button; |
| 2509 | int up; |
| 2510 | |
| 2511 | if (dpyinfo->grabbed && last_mouse_frame |
| 2512 | && FRAME_LIVE_P (last_mouse_frame)) |
| 2513 | f = last_mouse_frame; |
| 2514 | else |
| 2515 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2516 | |
| 2517 | if (f) |
| 2518 | { |
| 2519 | if ((!dpyinfo->win32_focus_frame || f == dpyinfo->win32_focus_frame) |
| 2520 | && (numchars >= 1)) |
| 2521 | { |
| 2522 | construct_mouse_click (bufp, &msg, f); |
| 2523 | bufp++; |
| 2524 | count++; |
| 2525 | numchars--; |
| 2526 | } |
| 2527 | } |
| 2528 | |
| 2529 | parse_button (msg.msg.message, &button, &up); |
| 2530 | |
| 2531 | if (up) |
| 2532 | { |
| 2533 | dpyinfo->grabbed &= ~ (1 << button); |
| 2534 | } |
| 2535 | else |
| 2536 | { |
| 2537 | dpyinfo->grabbed |= (1 << button); |
| 2538 | last_mouse_frame = f; |
| 2539 | } |
| 2540 | } |
| 2541 | |
| 2542 | break; |
| 2543 | case WM_VSCROLL: |
| 2544 | { |
| 2545 | struct scroll_bar *bar = x_window_to_scroll_bar ((HWND)msg.msg.lParam); |
| 2546 | |
| 2547 | if (bar && numchars >= 1) |
| 2548 | { |
| 2549 | if (x_scroll_bar_handle_click (bar, &msg, bufp)) |
| 2550 | { |
| 2551 | bufp++; |
| 2552 | count++; |
| 2553 | numchars--; |
| 2554 | } |
| 2555 | } |
| 2556 | } |
| 2557 | |
| 2558 | break; |
| 2559 | case WM_MOVE: |
| 2560 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2561 | |
| 2562 | if (f && !f->async_iconified) |
| 2563 | { |
| 2564 | f->output_data.win32->left_pos = LOWORD (msg.msg.lParam); |
| 2565 | f->output_data.win32->top_pos = HIWORD (msg.msg.lParam); |
| 2566 | } |
| 2567 | |
| 2568 | break; |
| 2569 | case WM_SIZE: |
| 2570 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2571 | |
| 2572 | if (f && !f->async_iconified && msg.msg.wParam != SIZE_MINIMIZED) |
| 2573 | { |
| 2574 | RECT rect; |
| 2575 | int rows; |
| 2576 | int columns; |
| 2577 | int width; |
| 2578 | int height; |
| 2579 | |
| 2580 | GetClientRect(msg.msg.hwnd, &rect); |
| 2581 | |
| 2582 | height = rect.bottom - rect.top + 1; |
| 2583 | width = rect.right - rect.left + 1; |
| 2584 | |
| 2585 | rows = PIXEL_TO_CHAR_HEIGHT (f, height); |
| 2586 | columns = PIXEL_TO_CHAR_WIDTH (f, width); |
| 2587 | |
| 2588 | /* Even if the number of character rows and columns has |
| 2589 | not changed, the font size may have changed, so we need |
| 2590 | to check the pixel dimensions as well. */ |
| 2591 | |
| 2592 | if (columns != f->width |
| 2593 | || rows != f->height |
| 2594 | || width != f->output_data.win32->pixel_width |
| 2595 | || height != f->output_data.win32->pixel_height) |
| 2596 | { |
| 2597 | /* I had set this to 0, 0 - I am not sure why?? */ |
| 2598 | |
| 2599 | change_frame_size (f, rows, columns, 0, 1); |
| 2600 | SET_FRAME_GARBAGED (f); |
| 2601 | |
| 2602 | f->output_data.win32->pixel_width = width; |
| 2603 | f->output_data.win32->pixel_height = height; |
| 2604 | f->output_data.win32->win_gravity = NorthWestGravity; |
| 2605 | } |
| 2606 | } |
| 2607 | |
| 2608 | break; |
| 2609 | case WM_SETFOCUS: |
| 2610 | case WM_KILLFOCUS: |
| 2611 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2612 | |
| 2613 | if (msg.msg.message == WM_SETFOCUS) |
| 2614 | { |
| 2615 | x_new_focus_frame (dpyinfo, f); |
| 2616 | } |
| 2617 | else if (f == dpyinfo->win32_focus_frame) |
| 2618 | x_new_focus_frame (dpyinfo, 0); |
| 2619 | |
| 2620 | break; |
| 2621 | case WM_SYSCOMMAND: |
| 2622 | switch (msg.msg.wParam & 0xfff0) /* Lower 4 bits used by Windows. */ |
| 2623 | { |
| 2624 | case SC_CLOSE: |
| 2625 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2626 | |
| 2627 | if (f) |
| 2628 | { |
| 2629 | if (numchars == 0) |
| 2630 | abort (); |
| 2631 | |
| 2632 | bufp->kind = delete_window_event; |
| 2633 | XSETFRAME (bufp->frame_or_window, f); |
| 2634 | bufp++; |
| 2635 | count++; |
| 2636 | numchars--; |
| 2637 | } |
| 2638 | |
| 2639 | break; |
| 2640 | case SC_MINIMIZE: |
| 2641 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2642 | |
| 2643 | if (f) |
| 2644 | { |
| 2645 | f->async_visible = 1; |
| 2646 | f->async_iconified = 1; |
| 2647 | |
| 2648 | bufp->kind = iconify_event; |
| 2649 | XSETFRAME (bufp->frame_or_window, f); |
| 2650 | bufp++; |
| 2651 | count++; |
| 2652 | numchars--; |
| 2653 | } |
| 2654 | |
| 2655 | break; |
| 2656 | case SC_MAXIMIZE: |
| 2657 | case SC_RESTORE: |
| 2658 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2659 | |
| 2660 | if (f) |
| 2661 | { |
| 2662 | f->async_visible = 1; |
| 2663 | f->async_iconified = 0; |
| 2664 | |
| 2665 | /* wait_reading_process_input will notice this and update |
| 2666 | the frame's display structures. */ |
| 2667 | SET_FRAME_GARBAGED (f); |
| 2668 | |
| 2669 | if (f->iconified) |
| 2670 | { |
| 2671 | bufp->kind = deiconify_event; |
| 2672 | XSETFRAME (bufp->frame_or_window, f); |
| 2673 | bufp++; |
| 2674 | count++; |
| 2675 | numchars--; |
| 2676 | } |
| 2677 | else |
| 2678 | /* Force a redisplay sooner or later |
| 2679 | to update the frame titles |
| 2680 | in case this is the second frame. */ |
| 2681 | record_asynch_buffer_change (); |
| 2682 | } |
| 2683 | |
| 2684 | break; |
| 2685 | } |
| 2686 | |
| 2687 | break; |
| 2688 | case WM_CLOSE: |
| 2689 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2690 | |
| 2691 | if (f) |
| 2692 | { |
| 2693 | if (numchars == 0) |
| 2694 | abort (); |
| 2695 | |
| 2696 | bufp->kind = delete_window_event; |
| 2697 | XSETFRAME (bufp->frame_or_window, f); |
| 2698 | bufp++; |
| 2699 | count++; |
| 2700 | numchars--; |
| 2701 | } |
| 2702 | |
| 2703 | break; |
| 2704 | case WM_COMMAND: |
| 2705 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 2706 | |
| 2707 | if (f) |
| 2708 | { |
| 2709 | if (msg.msg.lParam == 0) |
| 2710 | { |
| 2711 | /* Came from window menu */ |
| 2712 | |
| 2713 | extern Lisp_Object get_frame_menubar_event (); |
| 2714 | Lisp_Object event = get_frame_menubar_event (f, msg.msg.wParam); |
| 2715 | struct input_event buf; |
| 2716 | Lisp_Object frame; |
| 2717 | |
| 2718 | XSETFRAME (frame, f); |
| 2719 | buf.kind = menu_bar_event; |
| 2720 | |
| 2721 | /* Store initial menu bar event */ |
| 2722 | |
| 2723 | if (!NILP (event)) |
| 2724 | { |
| 2725 | buf.frame_or_window = Fcons (frame, Fcons (Qmenu_bar, Qnil)); |
| 2726 | kbd_buffer_store_event (&buf); |
| 2727 | } |
| 2728 | |
| 2729 | /* Enqueue the events */ |
| 2730 | |
| 2731 | while (!NILP (event)) |
| 2732 | { |
| 2733 | buf.frame_or_window = Fcons (frame, XCONS (event)->car); |
| 2734 | kbd_buffer_store_event (&buf); |
| 2735 | event = XCONS (event)->cdr; |
| 2736 | } |
| 2737 | } |
| 2738 | else |
| 2739 | { |
| 2740 | /* Came from popup menu */ |
| 2741 | } |
| 2742 | } |
| 2743 | break; |
| 2744 | } |
| 2745 | } |
| 2746 | |
| 2747 | /* If the focus was just given to an autoraising frame, |
| 2748 | raise it now. */ |
| 2749 | /* ??? This ought to be able to handle more than one such frame. */ |
| 2750 | if (pending_autoraise_frame) |
| 2751 | { |
| 2752 | x_raise_frame (pending_autoraise_frame); |
| 2753 | pending_autoraise_frame = 0; |
| 2754 | } |
| 2755 | |
| 2756 | UNBLOCK_INPUT; |
| 2757 | return count; |
| 2758 | } |
| 2759 | \f |
| 2760 | /* Drawing the cursor. */ |
| 2761 | |
| 2762 | |
| 2763 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
| 2764 | |
| 2765 | static void |
| 2766 | x_draw_box (f) |
| 2767 | struct frame *f; |
| 2768 | { |
| 2769 | RECT rect; |
| 2770 | HBRUSH hb; |
| 2771 | HDC hdc; |
| 2772 | |
| 2773 | hdc = get_frame_dc (f); |
| 2774 | |
| 2775 | hb = CreateSolidBrush (f->output_data.win32->cursor_pixel); |
| 2776 | |
| 2777 | rect.left = CHAR_TO_PIXEL_COL (f, curs_x); |
| 2778 | rect.top = CHAR_TO_PIXEL_ROW (f, curs_y); |
| 2779 | rect.right = rect.left + FONT_WIDTH (f->output_data.win32->font); |
| 2780 | rect.bottom = rect.top + f->output_data.win32->line_height; |
| 2781 | |
| 2782 | FrameRect (hdc, &rect, hb); |
| 2783 | DeleteObject (hb); |
| 2784 | |
| 2785 | release_frame_dc (f, hdc); |
| 2786 | } |
| 2787 | |
| 2788 | /* Clear the cursor of frame F to background color, |
| 2789 | and mark the cursor as not shown. |
| 2790 | This is used when the text where the cursor is |
| 2791 | is about to be rewritten. */ |
| 2792 | |
| 2793 | static void |
| 2794 | clear_cursor (f) |
| 2795 | struct frame *f; |
| 2796 | { |
| 2797 | if (! FRAME_VISIBLE_P (f) |
| 2798 | || f->phys_cursor_x < 0) |
| 2799 | return; |
| 2800 | |
| 2801 | x_display_cursor (f, 0); |
| 2802 | f->phys_cursor_x = -1; |
| 2803 | } |
| 2804 | |
| 2805 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
| 2806 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
| 2807 | glyph drawn. */ |
| 2808 | |
| 2809 | static void |
| 2810 | x_draw_single_glyph (f, row, column, glyph, highlight) |
| 2811 | struct frame *f; |
| 2812 | int row, column; |
| 2813 | GLYPH glyph; |
| 2814 | int highlight; |
| 2815 | { |
| 2816 | dumpglyphs (f, |
| 2817 | CHAR_TO_PIXEL_COL (f, column), |
| 2818 | CHAR_TO_PIXEL_ROW (f, row), |
| 2819 | &glyph, 1, highlight, 0); |
| 2820 | } |
| 2821 | |
| 2822 | static void |
| 2823 | x_display_bar_cursor (f, on) |
| 2824 | struct frame *f; |
| 2825 | int on; |
| 2826 | { |
| 2827 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
| 2828 | |
| 2829 | /* This is pointless on invisible frames, and dangerous on garbaged |
| 2830 | frames; in the latter case, the frame may be in the midst of |
| 2831 | changing its size, and curs_x and curs_y may be off the frame. */ |
| 2832 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) |
| 2833 | return; |
| 2834 | |
| 2835 | if (! on && f->phys_cursor_x < 0) |
| 2836 | return; |
| 2837 | |
| 2838 | /* If we're not updating, then we want to use the current frame's |
| 2839 | cursor position, not our local idea of where the cursor ought to be. */ |
| 2840 | if (f != updating_frame) |
| 2841 | { |
| 2842 | curs_x = FRAME_CURSOR_X (f); |
| 2843 | curs_y = FRAME_CURSOR_Y (f); |
| 2844 | } |
| 2845 | |
| 2846 | /* If there is anything wrong with the current cursor state, remove it. */ |
| 2847 | if (f->phys_cursor_x >= 0 |
| 2848 | && (!on |
| 2849 | || f->phys_cursor_x != curs_x |
| 2850 | || f->phys_cursor_y != curs_y |
| 2851 | || f->output_data.win32->current_cursor != bar_cursor)) |
| 2852 | { |
| 2853 | /* Erase the cursor by redrawing the character underneath it. */ |
| 2854 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
| 2855 | f->phys_cursor_glyph, |
| 2856 | current_glyphs->highlight[f->phys_cursor_y]); |
| 2857 | f->phys_cursor_x = -1; |
| 2858 | } |
| 2859 | |
| 2860 | /* If we now need a cursor in the new place or in the new form, do it so. */ |
| 2861 | if (on |
| 2862 | && (f->phys_cursor_x < 0 |
| 2863 | || (f->output_data.win32->current_cursor != bar_cursor))) |
| 2864 | { |
| 2865 | f->phys_cursor_glyph |
| 2866 | = ((current_glyphs->enable[curs_y] |
| 2867 | && curs_x < current_glyphs->used[curs_y]) |
| 2868 | ? current_glyphs->glyphs[curs_y][curs_x] |
| 2869 | : SPACEGLYPH); |
| 2870 | win32_fill_area (f, NULL, f->output_data.win32->cursor_pixel, |
| 2871 | CHAR_TO_PIXEL_COL (f, curs_x), |
| 2872 | CHAR_TO_PIXEL_ROW (f, curs_y), |
| 2873 | max (f->output_data.win32->cursor_width, 1), |
| 2874 | f->output_data.win32->line_height); |
| 2875 | |
| 2876 | f->phys_cursor_x = curs_x; |
| 2877 | f->phys_cursor_y = curs_y; |
| 2878 | |
| 2879 | f->output_data.win32->current_cursor = bar_cursor; |
| 2880 | } |
| 2881 | } |
| 2882 | |
| 2883 | |
| 2884 | /* Turn the displayed cursor of frame F on or off according to ON. |
| 2885 | If ON is nonzero, where to put the cursor is specified |
| 2886 | by F->cursor_x and F->cursor_y. */ |
| 2887 | |
| 2888 | static void |
| 2889 | x_display_box_cursor (f, on) |
| 2890 | struct frame *f; |
| 2891 | int on; |
| 2892 | { |
| 2893 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
| 2894 | |
| 2895 | /* This is pointless on invisible frames, and dangerous on garbaged |
| 2896 | frames; in the latter case, the frame may be in the midst of |
| 2897 | changing its size, and curs_x and curs_y may be off the frame. */ |
| 2898 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) |
| 2899 | return; |
| 2900 | |
| 2901 | /* If cursor is off and we want it off, return quickly. */ |
| 2902 | if (!on && f->phys_cursor_x < 0) |
| 2903 | return; |
| 2904 | |
| 2905 | /* If we're not updating, then we want to use the current frame's |
| 2906 | cursor position, not our local idea of where the cursor ought to be. */ |
| 2907 | if (f != updating_frame) |
| 2908 | { |
| 2909 | curs_x = FRAME_CURSOR_X (f); |
| 2910 | curs_y = FRAME_CURSOR_Y (f); |
| 2911 | } |
| 2912 | |
| 2913 | /* If cursor is currently being shown and we don't want it to be |
| 2914 | or it is in the wrong place, |
| 2915 | or we want a hollow box and it's not so, (pout!) |
| 2916 | erase it. */ |
| 2917 | if (f->phys_cursor_x >= 0 |
| 2918 | && (!on |
| 2919 | || f->phys_cursor_x != curs_x |
| 2920 | || f->phys_cursor_y != curs_y |
| 2921 | || (f->output_data.win32->current_cursor != hollow_box_cursor |
| 2922 | && (f != FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame)))) |
| 2923 | { |
| 2924 | int mouse_face_here = 0; |
| 2925 | struct frame_glyphs *active_glyphs = FRAME_CURRENT_GLYPHS (f); |
| 2926 | |
| 2927 | /* If the cursor is in the mouse face area, redisplay that when |
| 2928 | we clear the cursor. */ |
| 2929 | if (f == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_mouse_frame |
| 2930 | && |
| 2931 | (f->phys_cursor_y > FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row |
| 2932 | || (f->phys_cursor_y == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_row |
| 2933 | && f->phys_cursor_x >= FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_beg_col)) |
| 2934 | && |
| 2935 | (f->phys_cursor_y < FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row |
| 2936 | || (f->phys_cursor_y == FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_row |
| 2937 | && f->phys_cursor_x < FRAME_WIN32_DISPLAY_INFO (f)->mouse_face_end_col)) |
| 2938 | /* Don't redraw the cursor's spot in mouse face |
| 2939 | if it is at the end of a line (on a newline). |
| 2940 | The cursor appears there, but mouse highlighting does not. */ |
| 2941 | && active_glyphs->used[f->phys_cursor_y] > f->phys_cursor_x) |
| 2942 | mouse_face_here = 1; |
| 2943 | |
| 2944 | /* If the font is not as tall as a whole line, |
| 2945 | we must explicitly clear the line's whole height. */ |
| 2946 | if (FONT_HEIGHT (f->output_data.win32->font) != f->output_data.win32->line_height) |
| 2947 | win32_clear_area (f, NULL, |
| 2948 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
| 2949 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), |
| 2950 | FONT_WIDTH (f->output_data.win32->font), |
| 2951 | f->output_data.win32->line_height); |
| 2952 | /* Erase the cursor by redrawing the character underneath it. */ |
| 2953 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
| 2954 | f->phys_cursor_glyph, |
| 2955 | (mouse_face_here |
| 2956 | ? 3 |
| 2957 | : current_glyphs->highlight[f->phys_cursor_y])); |
| 2958 | f->phys_cursor_x = -1; |
| 2959 | } |
| 2960 | |
| 2961 | /* If we want to show a cursor, |
| 2962 | or we want a box cursor and it's not so, |
| 2963 | write it in the right place. */ |
| 2964 | if (on |
| 2965 | && (f->phys_cursor_x < 0 |
| 2966 | || (f->output_data.win32->current_cursor != filled_box_cursor |
| 2967 | && f == FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame))) |
| 2968 | { |
| 2969 | f->phys_cursor_glyph |
| 2970 | = ((current_glyphs->enable[curs_y] |
| 2971 | && curs_x < current_glyphs->used[curs_y]) |
| 2972 | ? current_glyphs->glyphs[curs_y][curs_x] |
| 2973 | : SPACEGLYPH); |
| 2974 | if (f != FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame) |
| 2975 | { |
| 2976 | x_draw_box (f); |
| 2977 | f->output_data.win32->current_cursor = hollow_box_cursor; |
| 2978 | } |
| 2979 | else |
| 2980 | { |
| 2981 | x_draw_single_glyph (f, curs_y, curs_x, |
| 2982 | f->phys_cursor_glyph, 2); |
| 2983 | f->output_data.win32->current_cursor = filled_box_cursor; |
| 2984 | } |
| 2985 | |
| 2986 | f->phys_cursor_x = curs_x; |
| 2987 | f->phys_cursor_y = curs_y; |
| 2988 | } |
| 2989 | } |
| 2990 | |
| 2991 | x_display_cursor (f, on) |
| 2992 | struct frame *f; |
| 2993 | int on; |
| 2994 | { |
| 2995 | BLOCK_INPUT; |
| 2996 | |
| 2997 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
| 2998 | x_display_box_cursor (f, on); |
| 2999 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
| 3000 | x_display_bar_cursor (f, on); |
| 3001 | else |
| 3002 | /* Those are the only two we have implemented! */ |
| 3003 | abort (); |
| 3004 | |
| 3005 | UNBLOCK_INPUT; |
| 3006 | } |
| 3007 | \f |
| 3008 | /* Changing the font of the frame. */ |
| 3009 | |
| 3010 | /* Give frame F the font named FONTNAME as its default font, and |
| 3011 | return the full name of that font. FONTNAME may be a wildcard |
| 3012 | pattern; in that case, we choose some font that fits the pattern. |
| 3013 | The return value shows which font we chose. */ |
| 3014 | |
| 3015 | Lisp_Object |
| 3016 | x_new_font (f, fontname) |
| 3017 | struct frame *f; |
| 3018 | register char *fontname; |
| 3019 | { |
| 3020 | int already_loaded; |
| 3021 | int n_matching_fonts; |
| 3022 | XFontStruct *font_info; |
| 3023 | char new_font_name[101]; |
| 3024 | |
| 3025 | /* Get a font which matches this name */ |
| 3026 | { |
| 3027 | LOGFONT lf; |
| 3028 | |
| 3029 | if (!x_to_win32_font(fontname, &lf) |
| 3030 | || !win32_to_x_font(&lf, new_font_name, 100)) |
| 3031 | { |
| 3032 | return Qnil; |
| 3033 | } |
| 3034 | } |
| 3035 | |
| 3036 | /* See if we've already loaded a matching font. */ |
| 3037 | already_loaded = -1; |
| 3038 | |
| 3039 | { |
| 3040 | int i; |
| 3041 | |
| 3042 | for (i = 0; i < FRAME_WIN32_DISPLAY_INFO (f)->n_fonts; i++) |
| 3043 | if (!strcmp (FRAME_WIN32_DISPLAY_INFO (f)->font_table[i].name, new_font_name)) |
| 3044 | { |
| 3045 | already_loaded = i; |
| 3046 | fontname = FRAME_WIN32_DISPLAY_INFO (f)->font_table[i].name; |
| 3047 | break; |
| 3048 | } |
| 3049 | } |
| 3050 | |
| 3051 | /* If we have, just return it from the table. */ |
| 3052 | if (already_loaded >= 0) |
| 3053 | f->output_data.win32->font = FRAME_WIN32_DISPLAY_INFO (f)->font_table[already_loaded].font; |
| 3054 | /* Otherwise, load the font and add it to the table. */ |
| 3055 | else |
| 3056 | { |
| 3057 | XFontStruct *font; |
| 3058 | int n_fonts; |
| 3059 | |
| 3060 | font = win32_load_font(FRAME_WIN32_DISPLAY_INFO (f), fontname); |
| 3061 | |
| 3062 | if (! font) |
| 3063 | { |
| 3064 | return Qnil; |
| 3065 | } |
| 3066 | |
| 3067 | /* Do we need to create the table? */ |
| 3068 | if (FRAME_WIN32_DISPLAY_INFO (f)->font_table_size == 0) |
| 3069 | { |
| 3070 | FRAME_WIN32_DISPLAY_INFO (f)->font_table_size = 16; |
| 3071 | FRAME_WIN32_DISPLAY_INFO (f)->font_table |
| 3072 | = (struct font_info *) xmalloc (FRAME_WIN32_DISPLAY_INFO (f)->font_table_size |
| 3073 | * sizeof (struct font_info)); |
| 3074 | } |
| 3075 | /* Do we need to grow the table? */ |
| 3076 | else if (FRAME_WIN32_DISPLAY_INFO (f)->n_fonts |
| 3077 | >= FRAME_WIN32_DISPLAY_INFO (f)->font_table_size) |
| 3078 | { |
| 3079 | FRAME_WIN32_DISPLAY_INFO (f)->font_table_size *= 2; |
| 3080 | FRAME_WIN32_DISPLAY_INFO (f)->font_table |
| 3081 | = (struct font_info *) xrealloc (FRAME_WIN32_DISPLAY_INFO (f)->font_table, |
| 3082 | (FRAME_WIN32_DISPLAY_INFO (f)->font_table_size |
| 3083 | * sizeof (struct font_info))); |
| 3084 | } |
| 3085 | |
| 3086 | n_fonts = FRAME_WIN32_DISPLAY_INFO (f)->n_fonts; |
| 3087 | FRAME_WIN32_DISPLAY_INFO (f)->font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); |
| 3088 | bcopy (fontname, FRAME_WIN32_DISPLAY_INFO (f)->font_table[n_fonts].name, strlen (fontname) + 1); |
| 3089 | f->output_data.win32->font = FRAME_WIN32_DISPLAY_INFO (f)->font_table[n_fonts].font = font; |
| 3090 | FRAME_WIN32_DISPLAY_INFO (f)->n_fonts++; |
| 3091 | } |
| 3092 | |
| 3093 | /* Compute the scroll bar width in character columns. */ |
| 3094 | if (f->scroll_bar_pixel_width > 0) |
| 3095 | { |
| 3096 | int wid = FONT_WIDTH (f->output_data.win32->font); |
| 3097 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; |
| 3098 | } |
| 3099 | else |
| 3100 | f->scroll_bar_cols = 2; |
| 3101 | |
| 3102 | /* Now make the frame display the given font. */ |
| 3103 | if (FRAME_WIN32_WINDOW (f) != 0) |
| 3104 | { |
| 3105 | frame_update_line_height (f); |
| 3106 | x_set_window_size (f, 0, f->width, f->height); |
| 3107 | } |
| 3108 | else |
| 3109 | /* If we are setting a new frame's font for the first time, |
| 3110 | there are no faces yet, so this font's height is the line height. */ |
| 3111 | f->output_data.win32->line_height = FONT_HEIGHT (f->output_data.win32->font); |
| 3112 | |
| 3113 | { |
| 3114 | Lisp_Object lispy_name; |
| 3115 | |
| 3116 | lispy_name = build_string (fontname); |
| 3117 | |
| 3118 | return lispy_name; |
| 3119 | } |
| 3120 | } |
| 3121 | \f |
| 3122 | x_calc_absolute_position (f) |
| 3123 | struct frame *f; |
| 3124 | { |
| 3125 | Window win, child; |
| 3126 | POINT pt; |
| 3127 | int flags = f->output_data.win32->size_hint_flags; |
| 3128 | |
| 3129 | pt.x = pt.y = 0; |
| 3130 | |
| 3131 | /* Find the position of the outside upper-left corner of |
| 3132 | the inner window, with respect to the outer window. */ |
| 3133 | if (f->output_data.win32->parent_desc != FRAME_WIN32_DISPLAY_INFO (f)->root_window) |
| 3134 | { |
| 3135 | BLOCK_INPUT; |
| 3136 | MapWindowPoints (FRAME_WIN32_WINDOW (f), |
| 3137 | f->output_data.win32->parent_desc, |
| 3138 | &pt, 1); |
| 3139 | UNBLOCK_INPUT; |
| 3140 | } |
| 3141 | |
| 3142 | { |
| 3143 | RECT rt; |
| 3144 | rt.left = rt.right = rt.top = rt.bottom = 0; |
| 3145 | |
| 3146 | BLOCK_INPUT; |
| 3147 | AdjustWindowRect(&rt, f->output_data.win32->dwStyle, |
| 3148 | FRAME_EXTERNAL_MENU_BAR (f)); |
| 3149 | UNBLOCK_INPUT; |
| 3150 | |
| 3151 | pt.x += (rt.right - rt.left); |
| 3152 | pt.y += (rt.bottom - rt.top); |
| 3153 | } |
| 3154 | |
| 3155 | /* Treat negative positions as relative to the leftmost bottommost |
| 3156 | position that fits on the screen. */ |
| 3157 | if (flags & XNegative) |
| 3158 | f->output_data.win32->left_pos = (FRAME_WIN32_DISPLAY_INFO (f)->width |
| 3159 | - 2 * f->output_data.win32->border_width - pt.x |
| 3160 | - PIXEL_WIDTH (f) |
| 3161 | + f->output_data.win32->left_pos); |
| 3162 | |
| 3163 | if (flags & YNegative) |
| 3164 | f->output_data.win32->top_pos = (FRAME_WIN32_DISPLAY_INFO (f)->height |
| 3165 | - 2 * f->output_data.win32->border_width - pt.y |
| 3166 | - PIXEL_HEIGHT (f) |
| 3167 | + f->output_data.win32->top_pos); |
| 3168 | /* The left_pos and top_pos |
| 3169 | are now relative to the top and left screen edges, |
| 3170 | so the flags should correspond. */ |
| 3171 | f->output_data.win32->size_hint_flags &= ~ (XNegative | YNegative); |
| 3172 | } |
| 3173 | |
| 3174 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
| 3175 | to really change the position, and 0 when calling from |
| 3176 | x_make_frame_visible (in that case, XOFF and YOFF are the current |
| 3177 | position values). It is -1 when calling from x_set_frame_parameters, |
| 3178 | which means, do adjust for borders but don't change the gravity. */ |
| 3179 | |
| 3180 | x_set_offset (f, xoff, yoff, change_gravity) |
| 3181 | struct frame *f; |
| 3182 | register int xoff, yoff; |
| 3183 | int change_gravity; |
| 3184 | { |
| 3185 | int modified_top, modified_left; |
| 3186 | |
| 3187 | if (change_gravity > 0) |
| 3188 | { |
| 3189 | f->output_data.win32->top_pos = yoff; |
| 3190 | f->output_data.win32->left_pos = xoff; |
| 3191 | f->output_data.win32->size_hint_flags &= ~ (XNegative | YNegative); |
| 3192 | if (xoff < 0) |
| 3193 | f->output_data.win32->size_hint_flags |= XNegative; |
| 3194 | if (yoff < 0) |
| 3195 | f->output_data.win32->size_hint_flags |= YNegative; |
| 3196 | f->output_data.win32->win_gravity = NorthWestGravity; |
| 3197 | } |
| 3198 | x_calc_absolute_position (f); |
| 3199 | |
| 3200 | BLOCK_INPUT; |
| 3201 | x_wm_set_size_hint (f, (long) 0, 0); |
| 3202 | |
| 3203 | /* It is a mystery why we need to add the border_width here |
| 3204 | when the frame is already visible, but experiment says we do. */ |
| 3205 | modified_left = f->output_data.win32->left_pos; |
| 3206 | modified_top = f->output_data.win32->top_pos; |
| 3207 | if (change_gravity != 0) |
| 3208 | { |
| 3209 | modified_left += f->output_data.win32->border_width; |
| 3210 | modified_top += f->output_data.win32->border_width; |
| 3211 | } |
| 3212 | |
| 3213 | my_set_window_pos (FRAME_WIN32_WINDOW (f), |
| 3214 | NULL, |
| 3215 | modified_left, modified_top, |
| 3216 | 0,0, |
| 3217 | SWP_NOZORDER | SWP_NOSIZE); |
| 3218 | UNBLOCK_INPUT; |
| 3219 | } |
| 3220 | |
| 3221 | /* Call this to change the size of frame F's x-window. |
| 3222 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity |
| 3223 | for this size change and subsequent size changes. |
| 3224 | Otherwise we leave the window gravity unchanged. */ |
| 3225 | |
| 3226 | x_set_window_size (f, change_gravity, cols, rows) |
| 3227 | struct frame *f; |
| 3228 | int change_gravity; |
| 3229 | int cols, rows; |
| 3230 | { |
| 3231 | int pixelwidth, pixelheight; |
| 3232 | |
| 3233 | BLOCK_INPUT; |
| 3234 | |
| 3235 | check_frame_size (f, &rows, &cols); |
| 3236 | f->output_data.win32->vertical_scroll_bar_extra |
| 3237 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
| 3238 | ? 0 |
| 3239 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 |
| 3240 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
| 3241 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.win32->font))); |
| 3242 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
| 3243 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); |
| 3244 | |
| 3245 | f->output_data.win32->win_gravity = NorthWestGravity; |
| 3246 | x_wm_set_size_hint (f, (long) 0, 0); |
| 3247 | |
| 3248 | { |
| 3249 | RECT rect; |
| 3250 | |
| 3251 | rect.left = rect.top = 0; |
| 3252 | rect.right = pixelwidth; |
| 3253 | rect.bottom = pixelheight; |
| 3254 | |
| 3255 | AdjustWindowRect(&rect, f->output_data.win32->dwStyle, |
| 3256 | FRAME_EXTERNAL_MENU_BAR (f)); |
| 3257 | |
| 3258 | /* All windows have an extra pixel */ |
| 3259 | |
| 3260 | my_set_window_pos (FRAME_WIN32_WINDOW (f), |
| 3261 | NULL, |
| 3262 | 0, 0, |
| 3263 | rect.right - rect.left + 1, |
| 3264 | rect.bottom - rect.top + 1, |
| 3265 | SWP_NOZORDER | SWP_NOMOVE); |
| 3266 | } |
| 3267 | |
| 3268 | /* Now, strictly speaking, we can't be sure that this is accurate, |
| 3269 | but the window manager will get around to dealing with the size |
| 3270 | change request eventually, and we'll hear how it went when the |
| 3271 | ConfigureNotify event gets here. |
| 3272 | |
| 3273 | We could just not bother storing any of this information here, |
| 3274 | and let the ConfigureNotify event set everything up, but that |
| 3275 | might be kind of confusing to the lisp code, since size changes |
| 3276 | wouldn't be reported in the frame parameters until some random |
| 3277 | point in the future when the ConfigureNotify event arrives. */ |
| 3278 | change_frame_size (f, rows, cols, 0, 0); |
| 3279 | PIXEL_WIDTH (f) = pixelwidth; |
| 3280 | PIXEL_HEIGHT (f) = pixelheight; |
| 3281 | |
| 3282 | /* If cursor was outside the new size, mark it as off. */ |
| 3283 | if (f->phys_cursor_y >= rows |
| 3284 | || f->phys_cursor_x >= cols) |
| 3285 | { |
| 3286 | f->phys_cursor_x = -1; |
| 3287 | f->phys_cursor_y = -1; |
| 3288 | } |
| 3289 | |
| 3290 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
| 3291 | receive in the ConfigureNotify event; if we get what we asked |
| 3292 | for, then the event won't cause the screen to become garbaged, so |
| 3293 | we have to make sure to do it here. */ |
| 3294 | SET_FRAME_GARBAGED (f); |
| 3295 | |
| 3296 | UNBLOCK_INPUT; |
| 3297 | } |
| 3298 | \f |
| 3299 | /* Mouse warping. */ |
| 3300 | |
| 3301 | void |
| 3302 | x_set_mouse_pixel_position (f, pix_x, pix_y) |
| 3303 | struct frame *f; |
| 3304 | int pix_x, pix_y; |
| 3305 | { |
| 3306 | BLOCK_INPUT; |
| 3307 | |
| 3308 | pix_x += f->output_data.win32->left_pos; |
| 3309 | pix_y += f->output_data.win32->top_pos; |
| 3310 | |
| 3311 | SetCursorPos (pix_x, pix_y); |
| 3312 | |
| 3313 | UNBLOCK_INPUT; |
| 3314 | } |
| 3315 | |
| 3316 | void |
| 3317 | x_set_mouse_position (f, x, y) |
| 3318 | struct frame *f; |
| 3319 | int x, y; |
| 3320 | { |
| 3321 | int pix_x, pix_y; |
| 3322 | |
| 3323 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.win32->font) / 2; |
| 3324 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.win32->line_height / 2; |
| 3325 | |
| 3326 | if (pix_x < 0) pix_x = 0; |
| 3327 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); |
| 3328 | |
| 3329 | if (pix_y < 0) pix_y = 0; |
| 3330 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); |
| 3331 | |
| 3332 | x_set_mouse_pixel_position (f, pix_x, pix_y); |
| 3333 | } |
| 3334 | \f |
| 3335 | /* focus shifting, raising and lowering. */ |
| 3336 | |
| 3337 | x_focus_on_frame (f) |
| 3338 | struct frame *f; |
| 3339 | { |
| 3340 | } |
| 3341 | |
| 3342 | x_unfocus_frame (f) |
| 3343 | struct frame *f; |
| 3344 | { |
| 3345 | } |
| 3346 | |
| 3347 | /* Raise frame F. */ |
| 3348 | |
| 3349 | x_raise_frame (f) |
| 3350 | struct frame *f; |
| 3351 | { |
| 3352 | // if (f->async_visible) |
| 3353 | { |
| 3354 | BLOCK_INPUT; |
| 3355 | my_set_window_pos (FRAME_WIN32_WINDOW (f), |
| 3356 | HWND_TOP, |
| 3357 | 0, 0, 0, 0, |
| 3358 | SWP_NOSIZE | SWP_NOMOVE); |
| 3359 | UNBLOCK_INPUT; |
| 3360 | } |
| 3361 | } |
| 3362 | |
| 3363 | /* Lower frame F. */ |
| 3364 | |
| 3365 | x_lower_frame (f) |
| 3366 | struct frame *f; |
| 3367 | { |
| 3368 | // if (f->async_visible) |
| 3369 | { |
| 3370 | BLOCK_INPUT; |
| 3371 | my_set_window_pos (FRAME_WIN32_WINDOW (f), |
| 3372 | HWND_BOTTOM, |
| 3373 | 0, 0, 0, 0, |
| 3374 | SWP_NOSIZE | SWP_NOMOVE); |
| 3375 | UNBLOCK_INPUT; |
| 3376 | } |
| 3377 | } |
| 3378 | |
| 3379 | static void |
| 3380 | win32_frame_raise_lower (f, raise) |
| 3381 | FRAME_PTR f; |
| 3382 | int raise; |
| 3383 | { |
| 3384 | if (raise) |
| 3385 | x_raise_frame (f); |
| 3386 | else |
| 3387 | x_lower_frame (f); |
| 3388 | } |
| 3389 | \f |
| 3390 | /* Change of visibility. */ |
| 3391 | |
| 3392 | /* This tries to wait until the frame is really visible. |
| 3393 | However, if the window manager asks the user where to position |
| 3394 | the frame, this will return before the user finishes doing that. |
| 3395 | The frame will not actually be visible at that time, |
| 3396 | but it will become visible later when the window manager |
| 3397 | finishes with it. */ |
| 3398 | |
| 3399 | x_make_frame_visible (f) |
| 3400 | struct frame *f; |
| 3401 | { |
| 3402 | BLOCK_INPUT; |
| 3403 | |
| 3404 | if (! FRAME_VISIBLE_P (f)) |
| 3405 | { |
| 3406 | /* We test FRAME_GARBAGED_P here to make sure we don't |
| 3407 | call x_set_offset a second time |
| 3408 | if we get to x_make_frame_visible a second time |
| 3409 | before the window gets really visible. */ |
| 3410 | if (! FRAME_ICONIFIED_P (f) |
| 3411 | && ! f->output_data.win32->asked_for_visible) |
| 3412 | { |
| 3413 | x_set_offset (f, f->output_data.win32->left_pos, f->output_data.win32->top_pos, 0); |
| 3414 | // SetForegroundWindow (FRAME_WIN32_WINDOW (f)); |
| 3415 | } |
| 3416 | |
| 3417 | f->output_data.win32->asked_for_visible = 1; |
| 3418 | |
| 3419 | my_show_window (FRAME_WIN32_WINDOW (f), SW_SHOWNORMAL); |
| 3420 | } |
| 3421 | |
| 3422 | /* Synchronize to ensure Emacs knows the frame is visible |
| 3423 | before we do anything else. We do this loop with input not blocked |
| 3424 | so that incoming events are handled. */ |
| 3425 | { |
| 3426 | Lisp_Object frame; |
| 3427 | int count = input_signal_count; |
| 3428 | |
| 3429 | /* This must come after we set COUNT. */ |
| 3430 | UNBLOCK_INPUT; |
| 3431 | |
| 3432 | XSETFRAME (frame, f); |
| 3433 | |
| 3434 | while (1) |
| 3435 | { |
| 3436 | /* Once we have handled input events, |
| 3437 | we should have received the MapNotify if one is coming. |
| 3438 | So if we have not got it yet, stop looping. |
| 3439 | Some window managers make their own decisions |
| 3440 | about visibility. */ |
| 3441 | if (input_signal_count != count) |
| 3442 | break; |
| 3443 | /* Machines that do polling rather than SIGIO have been observed |
| 3444 | to go into a busy-wait here. So we'll fake an alarm signal |
| 3445 | to let the handler know that there's something to be read. |
| 3446 | We used to raise a real alarm, but it seems that the handler |
| 3447 | isn't always enabled here. This is probably a bug. */ |
| 3448 | if (input_polling_used ()) |
| 3449 | { |
| 3450 | /* It could be confusing if a real alarm arrives while processing |
| 3451 | the fake one. Turn it off and let the handler reset it. */ |
| 3452 | alarm (0); |
| 3453 | input_poll_signal (); |
| 3454 | } |
| 3455 | /* Once we have handled input events, |
| 3456 | we should have received the MapNotify if one is coming. |
| 3457 | So if we have not got it yet, stop looping. |
| 3458 | Some window managers make their own decisions |
| 3459 | about visibility. */ |
| 3460 | if (input_signal_count != count) |
| 3461 | break; |
| 3462 | } |
| 3463 | FRAME_SAMPLE_VISIBILITY (f); |
| 3464 | } |
| 3465 | } |
| 3466 | |
| 3467 | /* Change from mapped state to withdrawn state. */ |
| 3468 | |
| 3469 | /* Make the frame visible (mapped and not iconified). */ |
| 3470 | |
| 3471 | x_make_frame_invisible (f) |
| 3472 | struct frame *f; |
| 3473 | { |
| 3474 | Window window; |
| 3475 | |
| 3476 | /* Don't keep the highlight on an invisible frame. */ |
| 3477 | if (FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame == f) |
| 3478 | FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame = 0; |
| 3479 | |
| 3480 | BLOCK_INPUT; |
| 3481 | |
| 3482 | my_show_window (FRAME_WIN32_WINDOW (f), SW_HIDE); |
| 3483 | |
| 3484 | /* We can't distinguish this from iconification |
| 3485 | just by the event that we get from the server. |
| 3486 | So we can't win using the usual strategy of letting |
| 3487 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, |
| 3488 | and synchronize with the server to make sure we agree. */ |
| 3489 | f->visible = 0; |
| 3490 | FRAME_ICONIFIED_P (f) = 0; |
| 3491 | f->async_visible = 0; |
| 3492 | f->async_iconified = 0; |
| 3493 | |
| 3494 | UNBLOCK_INPUT; |
| 3495 | } |
| 3496 | |
| 3497 | /* Change window state from mapped to iconified. */ |
| 3498 | |
| 3499 | void |
| 3500 | x_iconify_frame (f) |
| 3501 | struct frame *f; |
| 3502 | { |
| 3503 | int result; |
| 3504 | |
| 3505 | /* Don't keep the highlight on an invisible frame. */ |
| 3506 | if (FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame == f) |
| 3507 | FRAME_WIN32_DISPLAY_INFO (f)->win32_highlight_frame = 0; |
| 3508 | |
| 3509 | if (f->async_iconified) |
| 3510 | return; |
| 3511 | |
| 3512 | BLOCK_INPUT; |
| 3513 | |
| 3514 | my_show_window (FRAME_WIN32_WINDOW (f), SW_SHOWMINIMIZED); |
| 3515 | /* The frame doesn't seem to be lowered automatically. */ |
| 3516 | x_lower_frame (f); |
| 3517 | |
| 3518 | f->async_iconified = 1; |
| 3519 | |
| 3520 | UNBLOCK_INPUT; |
| 3521 | } |
| 3522 | \f |
| 3523 | /* Destroy the window of frame F. */ |
| 3524 | |
| 3525 | x_destroy_window (f) |
| 3526 | struct frame *f; |
| 3527 | { |
| 3528 | struct win32_display_info *dpyinfo = FRAME_WIN32_DISPLAY_INFO (f); |
| 3529 | |
| 3530 | BLOCK_INPUT; |
| 3531 | |
| 3532 | my_destroy_window (f, FRAME_WIN32_WINDOW (f)); |
| 3533 | free_frame_menubar (f); |
| 3534 | free_frame_faces (f); |
| 3535 | |
| 3536 | xfree (f->output_data.win32); |
| 3537 | f->output_data.win32 = 0; |
| 3538 | if (f == dpyinfo->win32_focus_frame) |
| 3539 | dpyinfo->win32_focus_frame = 0; |
| 3540 | if (f == dpyinfo->win32_focus_event_frame) |
| 3541 | dpyinfo->win32_focus_event_frame = 0; |
| 3542 | if (f == dpyinfo->win32_highlight_frame) |
| 3543 | dpyinfo->win32_highlight_frame = 0; |
| 3544 | |
| 3545 | dpyinfo->reference_count--; |
| 3546 | |
| 3547 | if (f == dpyinfo->mouse_face_mouse_frame) |
| 3548 | { |
| 3549 | dpyinfo->mouse_face_beg_row |
| 3550 | = dpyinfo->mouse_face_beg_col = -1; |
| 3551 | dpyinfo->mouse_face_end_row |
| 3552 | = dpyinfo->mouse_face_end_col = -1; |
| 3553 | dpyinfo->mouse_face_window = Qnil; |
| 3554 | } |
| 3555 | |
| 3556 | UNBLOCK_INPUT; |
| 3557 | } |
| 3558 | \f |
| 3559 | /* Setting window manager hints. */ |
| 3560 | |
| 3561 | /* Set the normal size hints for the window manager, for frame F. |
| 3562 | FLAGS is the flags word to use--or 0 meaning preserve the flags |
| 3563 | that the window now has. |
| 3564 | If USER_POSITION is nonzero, we set the USPosition |
| 3565 | flag (this is useful when FLAGS is 0). */ |
| 3566 | |
| 3567 | x_wm_set_size_hint (f, flags, user_position) |
| 3568 | struct frame *f; |
| 3569 | long flags; |
| 3570 | int user_position; |
| 3571 | { |
| 3572 | Window window = FRAME_WIN32_WINDOW (f); |
| 3573 | |
| 3574 | flexlines = f->height; |
| 3575 | |
| 3576 | enter_crit (); |
| 3577 | |
| 3578 | SetWindowLong (window, WND_X_UNITS_INDEX, FONT_WIDTH (f->output_data.win32->font)); |
| 3579 | SetWindowLong (window, WND_Y_UNITS_INDEX, f->output_data.win32->line_height); |
| 3580 | |
| 3581 | leave_crit (); |
| 3582 | } |
| 3583 | |
| 3584 | /* Window manager things */ |
| 3585 | x_wm_set_icon_position (f, icon_x, icon_y) |
| 3586 | struct frame *f; |
| 3587 | int icon_x, icon_y; |
| 3588 | { |
| 3589 | #if 0 |
| 3590 | Window window = FRAME_WIN32_WINDOW (f); |
| 3591 | |
| 3592 | f->display.x->wm_hints.flags |= IconPositionHint; |
| 3593 | f->display.x->wm_hints.icon_x = icon_x; |
| 3594 | f->display.x->wm_hints.icon_y = icon_y; |
| 3595 | |
| 3596 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
| 3597 | #endif |
| 3598 | } |
| 3599 | |
| 3600 | \f |
| 3601 | /* Initialization. */ |
| 3602 | |
| 3603 | #ifdef USE_X_TOOLKIT |
| 3604 | static XrmOptionDescRec emacs_options[] = { |
| 3605 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, |
| 3606 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, |
| 3607 | |
| 3608 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", |
| 3609 | XrmoptionSepArg, NULL}, |
| 3610 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, |
| 3611 | |
| 3612 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, |
| 3613 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, |
| 3614 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, |
| 3615 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, |
| 3616 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, |
| 3617 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, |
| 3618 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} |
| 3619 | }; |
| 3620 | #endif /* USE_X_TOOLKIT */ |
| 3621 | |
| 3622 | static int win32_initialized = 0; |
| 3623 | |
| 3624 | struct win32_display_info * |
| 3625 | win32_term_init (display_name, xrm_option, resource_name) |
| 3626 | Lisp_Object display_name; |
| 3627 | char *xrm_option; |
| 3628 | char *resource_name; |
| 3629 | { |
| 3630 | Lisp_Object frame; |
| 3631 | char *defaultvalue; |
| 3632 | struct win32_display_info *dpyinfo; |
| 3633 | HDC hdc; |
| 3634 | |
| 3635 | BLOCK_INPUT; |
| 3636 | |
| 3637 | if (!win32_initialized) |
| 3638 | { |
| 3639 | win32_initialize (); |
| 3640 | win32_initialized = 1; |
| 3641 | } |
| 3642 | |
| 3643 | { |
| 3644 | int argc = 0; |
| 3645 | char *argv[3]; |
| 3646 | |
| 3647 | argv[0] = ""; |
| 3648 | argc = 1; |
| 3649 | if (xrm_option) |
| 3650 | { |
| 3651 | argv[argc++] = "-xrm"; |
| 3652 | argv[argc++] = xrm_option; |
| 3653 | } |
| 3654 | } |
| 3655 | |
| 3656 | dpyinfo = &one_win32_display_info; |
| 3657 | |
| 3658 | /* Put this display on the chain. */ |
| 3659 | dpyinfo->next = NULL; |
| 3660 | |
| 3661 | /* Put it on win32_display_name_list as well, to keep them parallel. */ |
| 3662 | win32_display_name_list = Fcons (Fcons (display_name, Qnil), |
| 3663 | win32_display_name_list); |
| 3664 | dpyinfo->name_list_element = XCONS (win32_display_name_list)->car; |
| 3665 | |
| 3666 | dpyinfo->win32_id_name |
| 3667 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
| 3668 | + XSTRING (Vsystem_name)->size |
| 3669 | + 2); |
| 3670 | sprintf (dpyinfo->win32_id_name, "%s@%s", |
| 3671 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); |
| 3672 | |
| 3673 | #if 0 |
| 3674 | xrdb = x_load_resources (dpyinfo->display, xrm_option, |
| 3675 | resource_name, EMACS_CLASS); |
| 3676 | |
| 3677 | /* Put the rdb where we can find it in a way that works on |
| 3678 | all versions. */ |
| 3679 | dpyinfo->xrdb = xrdb; |
| 3680 | #endif |
| 3681 | hdc = GetDC (GetDesktopWindow ()); |
| 3682 | |
| 3683 | dpyinfo->height = GetDeviceCaps (hdc, VERTRES); |
| 3684 | dpyinfo->width = GetDeviceCaps (hdc, HORZRES); |
| 3685 | dpyinfo->root_window = GetDesktopWindow (); |
| 3686 | dpyinfo->n_planes = GetDeviceCaps (hdc, PLANES); |
| 3687 | dpyinfo->n_cbits = GetDeviceCaps (hdc, BITSPIXEL); |
| 3688 | dpyinfo->height_in = GetDeviceCaps (hdc, LOGPIXELSX); |
| 3689 | dpyinfo->width_in = GetDeviceCaps (hdc, LOGPIXELSY); |
| 3690 | dpyinfo->has_palette = GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE; |
| 3691 | dpyinfo->grabbed = 0; |
| 3692 | dpyinfo->reference_count = 0; |
| 3693 | dpyinfo->n_fonts = 0; |
| 3694 | dpyinfo->font_table_size = 0; |
| 3695 | dpyinfo->bitmaps = 0; |
| 3696 | dpyinfo->bitmaps_size = 0; |
| 3697 | dpyinfo->bitmaps_last = 0; |
| 3698 | dpyinfo->mouse_face_mouse_frame = 0; |
| 3699 | dpyinfo->mouse_face_deferred_gc = 0; |
| 3700 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
| 3701 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; |
| 3702 | dpyinfo->mouse_face_face_id = 0; |
| 3703 | dpyinfo->mouse_face_window = Qnil; |
| 3704 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; |
| 3705 | dpyinfo->mouse_face_defer = 0; |
| 3706 | dpyinfo->win32_focus_frame = 0; |
| 3707 | dpyinfo->win32_focus_event_frame = 0; |
| 3708 | dpyinfo->win32_highlight_frame = 0; |
| 3709 | |
| 3710 | ReleaseDC (GetDesktopWindow (), hdc); |
| 3711 | |
| 3712 | /* Determine if there is a middle mouse button, to allow parse_button |
| 3713 | to decide whether right mouse events should be mouse-2 or |
| 3714 | mouse-3. */ |
| 3715 | XSETINT (Vwin32_num_mouse_buttons, GetSystemMetrics (SM_CMOUSEBUTTONS)); |
| 3716 | |
| 3717 | /* initialise palette with white and black */ |
| 3718 | { |
| 3719 | COLORREF color; |
| 3720 | defined_color (0, "white", &color, 1); |
| 3721 | defined_color (0, "black", &color, 1); |
| 3722 | } |
| 3723 | |
| 3724 | #ifndef F_SETOWN_BUG |
| 3725 | #ifdef F_SETOWN |
| 3726 | #ifdef F_SETOWN_SOCK_NEG |
| 3727 | /* stdin is a socket here */ |
| 3728 | fcntl (connection, F_SETOWN, -getpid ()); |
| 3729 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
| 3730 | fcntl (connection, F_SETOWN, getpid ()); |
| 3731 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
| 3732 | #endif /* ! defined (F_SETOWN) */ |
| 3733 | #endif /* F_SETOWN_BUG */ |
| 3734 | |
| 3735 | #ifdef SIGIO |
| 3736 | if (interrupt_input) |
| 3737 | init_sigio (connection); |
| 3738 | #endif /* ! defined (SIGIO) */ |
| 3739 | |
| 3740 | UNBLOCK_INPUT; |
| 3741 | |
| 3742 | return dpyinfo; |
| 3743 | } |
| 3744 | \f |
| 3745 | /* Get rid of display DPYINFO, assuming all frames are already gone. */ |
| 3746 | |
| 3747 | void |
| 3748 | x_delete_display (dpyinfo) |
| 3749 | struct win32_display_info *dpyinfo; |
| 3750 | { |
| 3751 | /* Discard this display from win32_display_name_list and win32_display_list. |
| 3752 | We can't use Fdelq because that can quit. */ |
| 3753 | if (! NILP (win32_display_name_list) |
| 3754 | && EQ (XCONS (win32_display_name_list)->car, dpyinfo->name_list_element)) |
| 3755 | win32_display_name_list = XCONS (win32_display_name_list)->cdr; |
| 3756 | else |
| 3757 | { |
| 3758 | Lisp_Object tail; |
| 3759 | |
| 3760 | tail = win32_display_name_list; |
| 3761 | while (CONSP (tail) && CONSP (XCONS (tail)->cdr)) |
| 3762 | { |
| 3763 | if (EQ (XCONS (XCONS (tail)->cdr)->car, |
| 3764 | dpyinfo->name_list_element)) |
| 3765 | { |
| 3766 | XCONS (tail)->cdr = XCONS (XCONS (tail)->cdr)->cdr; |
| 3767 | break; |
| 3768 | } |
| 3769 | tail = XCONS (tail)->cdr; |
| 3770 | } |
| 3771 | } |
| 3772 | |
| 3773 | /* free palette table */ |
| 3774 | { |
| 3775 | struct win32_palette_entry * plist; |
| 3776 | |
| 3777 | plist = dpyinfo->color_list; |
| 3778 | while (plist) |
| 3779 | { |
| 3780 | struct win32_palette_entry * pentry = plist; |
| 3781 | plist = plist->next; |
| 3782 | xfree(pentry); |
| 3783 | } |
| 3784 | dpyinfo->color_list = NULL; |
| 3785 | if (dpyinfo->palette) |
| 3786 | DeleteObject(dpyinfo->palette); |
| 3787 | } |
| 3788 | xfree (dpyinfo->font_table); |
| 3789 | xfree (dpyinfo->win32_id_name); |
| 3790 | } |
| 3791 | \f |
| 3792 | /* Set up use of Win32. */ |
| 3793 | |
| 3794 | DWORD win_msg_worker (); |
| 3795 | |
| 3796 | win32_initialize () |
| 3797 | { |
| 3798 | clear_frame_hook = win32_clear_frame; |
| 3799 | clear_end_of_line_hook = win32_clear_end_of_line; |
| 3800 | ins_del_lines_hook = win32_ins_del_lines; |
| 3801 | change_line_highlight_hook = win32_change_line_highlight; |
| 3802 | insert_glyphs_hook = win32_insert_glyphs; |
| 3803 | write_glyphs_hook = win32_write_glyphs; |
| 3804 | delete_glyphs_hook = win32_delete_glyphs; |
| 3805 | ring_bell_hook = win32_ring_bell; |
| 3806 | reset_terminal_modes_hook = win32_reset_terminal_modes; |
| 3807 | set_terminal_modes_hook = win32_set_terminal_modes; |
| 3808 | update_begin_hook = win32_update_begin; |
| 3809 | update_end_hook = win32_update_end; |
| 3810 | set_terminal_window_hook = win32_set_terminal_window; |
| 3811 | read_socket_hook = w32_read_socket; |
| 3812 | frame_up_to_date_hook = win32_frame_up_to_date; |
| 3813 | cursor_to_hook = win32_cursor_to; |
| 3814 | reassert_line_highlight_hook = win32_reassert_line_highlight; |
| 3815 | mouse_position_hook = win32_mouse_position; |
| 3816 | frame_rehighlight_hook = win32_frame_rehighlight; |
| 3817 | frame_raise_lower_hook = win32_frame_raise_lower; |
| 3818 | set_vertical_scroll_bar_hook = win32_set_vertical_scroll_bar; |
| 3819 | condemn_scroll_bars_hook = win32_condemn_scroll_bars; |
| 3820 | redeem_scroll_bar_hook = win32_redeem_scroll_bar; |
| 3821 | judge_scroll_bars_hook = win32_judge_scroll_bars; |
| 3822 | |
| 3823 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
| 3824 | char_ins_del_ok = 0; /* just as fast to write the line */ |
| 3825 | line_ins_del_ok = 1; /* we'll just blt 'em */ |
| 3826 | fast_clear_end_of_line = 1; /* X does this well */ |
| 3827 | memory_below_frame = 0; /* we don't remember what scrolls |
| 3828 | off the bottom */ |
| 3829 | baud_rate = 19200; |
| 3830 | |
| 3831 | /* Try to use interrupt input; if we can't, then start polling. */ |
| 3832 | Fset_input_mode (Qt, Qnil, Qt, Qnil); |
| 3833 | |
| 3834 | /* Create the window thread - it will terminate itself or when the app terminates */ |
| 3835 | |
| 3836 | init_crit (); |
| 3837 | |
| 3838 | dwMainThreadId = GetCurrentThreadId (); |
| 3839 | DuplicateHandle (GetCurrentProcess (), GetCurrentThread (), |
| 3840 | GetCurrentProcess (), &hMainThread, 0, TRUE, DUPLICATE_SAME_ACCESS); |
| 3841 | |
| 3842 | /* Wait for thread to start */ |
| 3843 | |
| 3844 | { |
| 3845 | MSG msg; |
| 3846 | |
| 3847 | PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE); |
| 3848 | |
| 3849 | hWinThread = CreateThread (NULL, 0, |
| 3850 | (LPTHREAD_START_ROUTINE) win_msg_worker, |
| 3851 | 0, 0, &dwWinThreadId); |
| 3852 | |
| 3853 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); |
| 3854 | } |
| 3855 | |
| 3856 | /* It is desirable that mainThread should have the same notion of |
| 3857 | focus window and active window as winThread. Unfortunately, the |
| 3858 | following call to AttachThreadInput, which should do precisely what |
| 3859 | we need, causes major problems when Emacs is linked as a console |
| 3860 | program. Unfortunately, we have good reasons for doing that, so |
| 3861 | instead we need to send messages to winThread to make some API |
| 3862 | calls for us (ones that affect, or depend on, the active/focus |
| 3863 | window state. */ |
| 3864 | #ifdef ATTACH_THREADS |
| 3865 | AttachThreadInput (dwMainThreadId, dwWinThreadId, TRUE); |
| 3866 | #endif |
| 3867 | } |
| 3868 | |
| 3869 | void |
| 3870 | syms_of_win32term () |
| 3871 | { |
| 3872 | staticpro (&win32_display_name_list); |
| 3873 | win32_display_name_list = Qnil; |
| 3874 | |
| 3875 | staticpro (&last_mouse_scroll_bar); |
| 3876 | last_mouse_scroll_bar = Qnil; |
| 3877 | |
| 3878 | staticpro (&Qvendor_specific_keysyms); |
| 3879 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); |
| 3880 | |
| 3881 | DEFVAR_INT ("win32-num-mouse-buttons", |
| 3882 | &Vwin32_num_mouse_buttons, |
| 3883 | "Number of physical mouse buttons."); |
| 3884 | Vwin32_num_mouse_buttons = Qnil; |
| 3885 | |
| 3886 | DEFVAR_LISP ("win32-swap-mouse-buttons", |
| 3887 | &Vwin32_swap_mouse_buttons, |
| 3888 | "Swap the mapping of middle and right mouse buttons.\n\ |
| 3889 | When nil, middle button is mouse-2 and right button is mouse-3."); |
| 3890 | Vwin32_swap_mouse_buttons = Qnil; |
| 3891 | } |