Mercurial > hg > xemacs-beta
annotate src/gutter.c @ 5940:c608d4b0b75e cygwin64 tip
rescue lost branch from 64bit.backup
| author | Henry Thompson <ht@markup.co.uk> |
|---|---|
| date | Thu, 16 Dec 2021 18:48:58 +0000 |
| parents | 56144c8593a8 |
| children | 77d7b77909c2 |
| rev | line source |
|---|---|
| 428 | 1 /* Gutter implementation. |
| 442 | 2 Copyright (C) 1999, 2000 Andy Piper. |
| 5043 | 3 Copyright (C) 2010 Ben Wing. |
| 428 | 4 |
| 5 This file is part of XEmacs. | |
| 6 | |
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7 XEmacs is free software: you can redistribute it and/or modify it |
| 428 | 8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation, either version 3 of the License, or (at your |
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10 option) any later version. |
| 428 | 11 |
| 12 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
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18 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 428 | 19 |
| 20 /* Synched up with: Not in FSF. */ | |
| 21 | |
| 22 /* written by Andy Piper <andy@xemacs.org> with specifiers partially | |
| 23 ripped-off from toolbar.c */ | |
| 24 | |
| 25 #include <config.h> | |
| 26 #include "lisp.h" | |
| 27 | |
| 28 #include "buffer.h" | |
| 872 | 29 #include "frame-impl.h" |
| 30 #include "device-impl.h" | |
| 428 | 31 #include "faces.h" |
| 32 #include "glyphs.h" | |
| 33 #include "redisplay.h" | |
| 34 #include "window.h" | |
| 35 #include "gutter.h" | |
| 36 | |
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37 Lisp_Object Vgutter[NUM_EDGES]; |
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38 Lisp_Object Vgutter_size[NUM_EDGES]; |
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39 Lisp_Object Vgutter_visible_p[NUM_EDGES]; |
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40 Lisp_Object Vgutter_border_width[NUM_EDGES]; |
| 428 | 41 |
| 42 Lisp_Object Vdefault_gutter, Vdefault_gutter_visible_p; | |
| 43 Lisp_Object Vdefault_gutter_width, Vdefault_gutter_height; | |
| 44 Lisp_Object Vdefault_gutter_border_width; | |
| 45 | |
| 46 Lisp_Object Vdefault_gutter_position; | |
| 47 | |
| 48 Lisp_Object Qgutter_size; | |
| 442 | 49 Lisp_Object Qgutter_visible; |
| 50 Lisp_Object Qdefault_gutter_position_changed_hook; | |
| 51 | |
| 52 static void | |
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53 update_gutter_geometry (struct frame *f, enum edge_pos pos); |
| 428 | 54 |
| 442 | 55 #if 0 |
| 428 | 56 static Lisp_Object |
| 57 frame_topmost_window (struct frame *f) | |
| 58 { | |
| 59 Lisp_Object w = FRAME_ROOT_WINDOW (f); | |
| 60 | |
| 61 do { | |
| 62 while (!NILP (XWINDOW (w)->vchild)) | |
| 63 { | |
| 64 w = XWINDOW (w)->vchild; | |
| 65 } | |
| 66 } while (!NILP (XWINDOW (w)->hchild) && !NILP (w = XWINDOW (w)->hchild)); | |
| 67 | |
| 68 return w; | |
| 69 } | |
| 442 | 70 #endif |
| 428 | 71 |
| 72 static Lisp_Object | |
| 73 frame_bottommost_window (struct frame *f) | |
| 74 { | |
| 75 Lisp_Object w = FRAME_ROOT_WINDOW (f); | |
| 76 | |
| 77 do { | |
| 78 while (!NILP (XWINDOW (w)->vchild)) | |
| 79 { | |
| 80 w = XWINDOW (w)->vchild; | |
| 81 while (!NILP (XWINDOW (w)->next)) | |
| 82 { | |
| 83 w = XWINDOW (w)->next; | |
| 84 } | |
| 85 } | |
| 86 } while (!NILP (XWINDOW (w)->hchild) && !NILP (w = XWINDOW (w)->hchild)); | |
| 87 | |
| 88 return w; | |
| 89 } | |
| 90 | |
| 91 #if 0 | |
| 92 static Lisp_Object | |
| 93 frame_leftmost_window (struct frame *f) | |
| 94 { | |
| 95 Lisp_Object w = FRAME_ROOT_WINDOW (f); | |
| 96 | |
| 97 do { | |
| 98 while (!NILP (XWINDOW (w)->hchild)) | |
| 99 { | |
| 100 w = XWINDOW (w)->hchild; | |
| 101 } | |
| 102 } while (!NILP (XWINDOW (w)->vchild) && !NILP (w = XWINDOW (w)->vchild)); | |
| 103 | |
| 104 return w; | |
| 105 } | |
| 106 | |
| 107 static Lisp_Object | |
| 108 frame_rightmost_window (struct frame *f) | |
| 109 { | |
| 110 Lisp_Object w = FRAME_ROOT_WINDOW (f); | |
| 111 | |
| 112 do { | |
| 113 while (!NILP (XWINDOW (w)->hchild)) | |
| 114 { | |
| 115 w = XWINDOW (w)->hchild; | |
| 116 while (!NILP (XWINDOW (w)->next)) | |
| 117 { | |
| 118 w = XWINDOW (w)->next; | |
| 119 } | |
| 120 } | |
| 121 } while (!NILP (XWINDOW (w)->vchild) && !NILP (w = XWINDOW (w)->vchild)); | |
| 122 return w; | |
| 123 } | |
| 124 #endif | |
| 125 | |
| 126 /* calculate the coordinates of a gutter for the current frame and | |
| 127 selected window. we have to be careful in calculating this as we | |
| 128 need to use *two* windows, the currently selected window will give | |
| 129 us the actual height, width and contents of the gutter, but if we | |
| 130 use this for calculating the gutter positions we run into trouble | |
| 131 if it is not the window nearest the gutter. Instead we predetermine | |
| 132 the nearest window and then use that.*/ | |
| 133 static void | |
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134 get_gutter_coords (struct frame *f, enum edge_pos pos, int *x, int *y, |
| 428 | 135 int *width, int *height) |
| 136 { | |
| 5090 | 137 /* We use the bottommost window (not the minibuffer, but the bottommost |
| 138 non-minibuffer window) rather than any FRAME_BOTTOM_GUTTER_START | |
| 139 because the gutter goes *above* the minibuffer -- for this same reason, | |
| 140 FRAME_BOTTOM_GUTTER_START isn't currently defined. */ | |
| 141 struct window *bot = XWINDOW (frame_bottommost_window (f)); | |
| 428 | 142 /* The top and bottom gutters take precedence over the left and |
| 143 right. */ | |
| 144 switch (pos) | |
| 145 { | |
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146 case TOP_EDGE: |
| 5090 | 147 *x = FRAME_LEFT_GUTTER_START (f); |
| 148 *y = FRAME_TOP_GUTTER_START (f); | |
| 149 *width = FRAME_RIGHT_GUTTER_END (f) - *x; | |
| 428 | 150 *height = FRAME_TOP_GUTTER_BOUNDS (f); |
| 151 break; | |
| 152 | |
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153 case BOTTOM_EDGE: |
| 5090 | 154 *x = FRAME_LEFT_GUTTER_START (f); |
| 155 #ifdef BOTTOM_GUTTER_IS_OUTSIDE_MINIBUFFER | |
| 156 *y = FRAME_BOTTOM_GUTTER_START (f); | |
| 157 #else | |
| 442 | 158 *y = WINDOW_BOTTOM (bot); |
| 5090 | 159 #endif |
| 160 *width = FRAME_RIGHT_GUTTER_END (f) - *x; | |
| 428 | 161 *height = FRAME_BOTTOM_GUTTER_BOUNDS (f); |
| 162 break; | |
| 163 | |
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164 case LEFT_EDGE: |
| 5090 | 165 *x = FRAME_LEFT_GUTTER_START (f); |
| 166 *y = FRAME_TOP_GUTTER_END (f); | |
| 428 | 167 *width = FRAME_LEFT_GUTTER_BOUNDS (f); |
| 5090 | 168 *height = WINDOW_BOTTOM (bot) - *y; |
| 428 | 169 break; |
| 442 | 170 |
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171 case RIGHT_EDGE: |
| 5090 | 172 *x = FRAME_RIGHT_GUTTER_START (f); |
| 173 *y = FRAME_TOP_GUTTER_END (f); | |
| 428 | 174 *width = FRAME_RIGHT_GUTTER_BOUNDS (f); |
| 5090 | 175 *height = WINDOW_BOTTOM (bot) - *y; |
| 428 | 176 break; |
| 177 | |
| 178 default: | |
| 2500 | 179 ABORT (); |
| 428 | 180 } |
| 181 } | |
| 182 | |
| 446 | 183 /* |
| 184 display_boxes_in_gutter_p | |
| 185 | |
| 186 Determine whether the required display_glyph_area is completely | |
| 187 inside the gutter. -1 means the display_box is not in the gutter. 1 | |
| 188 means the display_box and the display_glyph_area are in the | |
| 189 window. 0 means the display_box is in the gutter but the | |
| 190 display_glyph_area is not. */ | |
| 191 int display_boxes_in_gutter_p (struct frame *f, struct display_box* db, | |
| 192 struct display_glyph_area* dga) | |
| 193 { | |
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194 enum edge_pos pos; |
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195 EDGE_POS_LOOP (pos) |
| 446 | 196 { |
| 197 if (FRAME_GUTTER_VISIBLE (f, pos)) | |
| 198 { | |
| 199 int x, y, width, height; | |
| 200 get_gutter_coords (f, pos, &x, &y, &width, &height); | |
| 201 if (db->xpos + dga->xoffset >= x | |
| 202 && | |
| 203 db->ypos + dga->yoffset >= y | |
| 204 && | |
| 205 db->xpos + dga->xoffset + dga->width <= x + width | |
| 206 && | |
| 207 db->ypos + dga->yoffset + dga->height <= y + height) | |
| 208 return 1; | |
| 209 else if (db->xpos >= x && db->ypos >= y | |
| 210 && db->xpos + db->width <= x + width | |
| 211 && db->ypos + db->height <= y + height) | |
| 212 return 0; | |
| 213 } | |
| 214 } | |
| 215 return -1; | |
| 216 } | |
| 217 | |
| 442 | 218 /* Convert the gutter specifier into something we can actually |
| 219 display. */ | |
| 220 static Lisp_Object construct_window_gutter_spec (struct window* w, | |
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221 enum edge_pos pos) |
| 442 | 222 { |
| 223 Lisp_Object rest, *args; | |
| 224 int nargs = 0; | |
| 225 Lisp_Object gutter = RAW_WINDOW_GUTTER (w, pos); | |
| 226 | |
| 227 if (STRINGP (gutter) || NILP (gutter)) | |
| 228 return gutter; | |
| 229 | |
| 230 GET_LIST_LENGTH (gutter, nargs); | |
| 231 args = alloca_array (Lisp_Object, nargs >> 1); | |
| 232 nargs = 0; | |
| 233 | |
| 234 for (rest = gutter; !NILP (rest); rest = XCDR (XCDR (rest))) | |
| 235 { | |
| 236 /* We only put things in the real gutter that are declared to be | |
| 4186 | 237 visible. */ |
| 442 | 238 if (!CONSP (WINDOW_GUTTER_VISIBLE (w, pos)) |
| 239 || | |
| 240 !NILP (Fmemq (XCAR (rest), WINDOW_GUTTER_VISIBLE (w, pos)))) | |
| 241 { | |
| 242 args [nargs++] = XCAR (XCDR (rest)); | |
| 243 } | |
| 244 } | |
| 245 | |
| 246 return Fconcat (nargs, args); | |
| 247 } | |
| 248 | |
| 444 | 249 /* Sizing gutters is a pain so we try and help the user by determining |
| 250 what height will accommodate all lines. This is useless on left and | |
| 251 right gutters as we always have a maximal number of lines. */ | |
| 252 static int | |
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253 calculate_gutter_size_from_display_lines (enum edge_pos pos, |
| 444 | 254 display_line_dynarr* ddla) |
| 255 { | |
| 256 int size = 0; | |
| 257 struct display_line *dl; | |
| 258 | |
| 259 /* For top and bottom the calculation is easy. */ | |
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260 if (pos == TOP_EDGE || pos == BOTTOM_EDGE) |
| 444 | 261 { |
| 262 /* grab coordinates of last line */ | |
| 263 if (Dynarr_length (ddla)) | |
| 264 { | |
| 265 dl = Dynarr_atp (ddla, Dynarr_length (ddla) - 1); | |
| 4186 | 266 size = (dl->ypos + dl->descent - dl->clip) |
| 4967 | 267 - (Dynarr_begin (ddla)->ypos - Dynarr_begin (ddla)->ascent); |
| 444 | 268 } |
| 269 } | |
| 270 /* For left and right we have to do some maths. */ | |
| 271 else | |
| 272 { | |
| 273 int start_pos = 0, end_pos = 0, line; | |
| 274 for (line = 0; line < Dynarr_length (ddla); line++) | |
| 275 { | |
| 276 int block; | |
| 277 dl = Dynarr_atp (ddla, line); | |
| 278 | |
| 279 for (block = 0; block < Dynarr_largest (dl->display_blocks); block++) | |
| 280 { | |
| 281 struct display_block *db = Dynarr_atp (dl->display_blocks, block); | |
| 282 | |
| 283 if (db->type == TEXT) | |
| 284 { | |
| 285 start_pos = min (db->start_pos, start_pos); | |
| 286 end_pos = max (db->end_pos, end_pos); | |
| 287 } | |
| 288 } | |
| 289 } | |
| 290 size = end_pos - start_pos; | |
| 291 } | |
| 292 | |
| 293 return size; | |
| 294 } | |
| 295 | |
| 296 static Lisp_Object | |
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297 calculate_gutter_size (struct window *w, enum edge_pos pos) |
| 444 | 298 { |
| 299 struct frame* f = XFRAME (WINDOW_FRAME (w)); | |
| 1318 | 300 display_line_dynarr *ddla; |
| 444 | 301 Lisp_Object ret = Qnil; |
| 302 | |
| 1318 | 303 /* Callers need to handle this. */ |
| 304 assert (!in_display); | |
| 444 | 305 /* degenerate case */ |
| 306 if (NILP (RAW_WINDOW_GUTTER (w, pos)) | |
| 307 || | |
| 308 !FRAME_VISIBLE_P (f) | |
| 309 || | |
| 310 NILP (w->buffer)) | |
| 311 return Qnil; | |
| 312 | |
| 1318 | 313 if (!in_display) |
| 314 { | |
| 315 int count; | |
| 316 | |
| 317 /* We are calling directly into redisplay from the outside, so turn on | |
| 318 critical section protection. */ | |
| 319 count = enter_redisplay_critical_section (); | |
| 444 | 320 |
| 1318 | 321 ddla = Dynarr_new (display_line); |
| 322 /* generate some display lines */ | |
| 323 generate_displayable_area (w, WINDOW_GUTTER (w, pos), | |
| 5090 | 324 FRAME_LEFT_GUTTER_START (f), |
| 325 FRAME_TOP_GUTTER_START (f), | |
| 326 FRAME_RIGHT_GUTTER_END (f) | |
| 327 - FRAME_LEFT_GUTTER_START (f), | |
| 328 #ifdef BOTTOM_GUTTER_IS_OUTSIDE_MINIBUFFER | |
| 329 FRAME_BOTTOM_GUTTER_END (f) | |
| 330 #else | |
| 331 /* #### GEOM! This is how it used to read, | |
| 332 and this includes both gutter and | |
| 333 minibuffer below it. Not clear whether | |
| 334 it was intended that way. --ben */ | |
| 335 FRAME_BOTTOM_INTERNAL_BORDER_START (f) | |
| 336 #endif | |
| 337 - FRAME_TOP_GUTTER_START (f), | |
| 4186 | 338 ddla, 0, DEFAULT_INDEX); |
| 444 | 339 |
| 1318 | 340 /* Let GC happen again. */ |
| 341 exit_redisplay_critical_section (count); | |
| 444 | 342 |
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343 ret = make_fixnum (calculate_gutter_size_from_display_lines (pos, ddla)); |
| 1318 | 344 free_display_lines (ddla); |
| 345 } | |
| 444 | 346 |
| 347 return ret; | |
| 348 } | |
| 349 | |
| 428 | 350 static void |
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351 output_gutter (struct frame *f, enum edge_pos pos, int force) |
| 428 | 352 { |
| 353 Lisp_Object window = FRAME_LAST_NONMINIBUF_WINDOW (f); | |
| 354 struct device *d = XDEVICE (f->device); | |
| 355 struct window* w = XWINDOW (window); | |
| 356 int x, y, width, height, ypos; | |
| 440 | 357 int line, border_width; |
| 358 face_index findex; | |
| 428 | 359 display_line_dynarr* ddla, *cdla; |
| 442 | 360 struct display_line *dl = 0; |
| 428 | 361 int cdla_len; |
| 362 | |
| 440 | 363 if (!WINDOW_LIVE_P (w)) |
| 364 return; | |
| 365 | |
| 366 border_width = FRAME_GUTTER_BORDER_WIDTH (f, pos); | |
| 442 | 367 findex = get_builtin_face_cache_index (w, Vwidget_face); |
| 440 | 368 |
| 442 | 369 if (!f->current_display_lines[pos]) |
| 370 f->current_display_lines[pos] = Dynarr_new (display_line); | |
| 371 if (!f->desired_display_lines[pos]) | |
| 372 f->desired_display_lines[pos] = Dynarr_new (display_line); | |
| 428 | 373 |
| 442 | 374 ddla = f->desired_display_lines[pos]; |
| 375 cdla = f->current_display_lines[pos]; | |
| 428 | 376 cdla_len = Dynarr_length (cdla); |
| 377 | |
| 378 get_gutter_coords (f, pos, &x, &y, &width, &height); | |
| 379 /* generate some display lines */ | |
| 380 generate_displayable_area (w, WINDOW_GUTTER (w, pos), | |
| 381 x + border_width, y + border_width, | |
| 442 | 382 width - 2 * border_width, |
| 428 | 383 height - 2 * border_width, ddla, 0, findex); |
| 442 | 384 |
| 385 /* We only output the gutter if we think something of significance | |
| 386 has changed. This is, for example, because redisplay can cause | |
| 387 new face cache elements to get added causing compare_runes to | |
| 388 fail because the findex for a particular face has changed. */ | |
| 389 if (force || f->faces_changed || f->frame_changed || | |
| 390 f->gutter_changed || f->glyphs_changed || | |
| 391 f->size_changed || f->subwindows_changed || | |
| 392 w->windows_changed || f->windows_structure_changed || | |
| 393 cdla_len != Dynarr_length (ddla) || | |
| 394 (f->extents_changed && w->gutter_extent_modiff[pos])) | |
| 428 | 395 { |
| 442 | 396 #ifdef DEBUG_GUTTERS |
| 4186 | 397 stderr_out ("gutter redisplay [%s %dx%d@%d+%d] triggered by %s,\n", |
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398 pos == TOP_EDGE ? "TOP" : |
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399 pos == BOTTOM_EDGE ? "BOTTOM" : |
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400 pos == LEFT_EDGE ? "LEFT" : "RIGHT", |
| 446 | 401 width, height, x, y, force ? "force" : |
| 442 | 402 f->faces_changed ? "f->faces_changed" : |
| 403 f->frame_changed ? "f->frame_changed" : | |
| 404 f->gutter_changed ? "f->gutter_changed" : | |
| 405 f->glyphs_changed ? "f->glyphs_changed" : | |
| 406 f->size_changed ? "f->size_changed" : | |
| 407 f->subwindows_changed ? "f->subwindows_changed" : | |
| 408 w->windows_changed ? "w->windows_changed" : | |
| 409 f->windows_structure_changed ? "f->windows_structure_changed" : | |
| 410 cdla_len != Dynarr_length (ddla) ? "different display structures" : | |
| 411 f->extents_changed && w->gutter_extent_modiff[pos] ? | |
| 412 "f->extents_changed && w->gutter_extent_modiff[pos]" : "<null>"); | |
| 413 #endif | |
| 414 /* Output each line. */ | |
| 415 for (line = 0; line < Dynarr_length (ddla); line++) | |
| 416 { | |
| 417 output_display_line (w, cdla, ddla, line, -1, -1); | |
| 418 } | |
| 419 | |
| 420 /* If the number of display lines has shrunk, adjust. */ | |
| 421 if (cdla_len > Dynarr_length (ddla)) | |
| 422 { | |
| 5038 | 423 Dynarr_set_lengthr (cdla, Dynarr_length (ddla)); |
| 442 | 424 } |
| 425 | |
| 426 /* grab coordinates of last line and blank after it. */ | |
| 427 if (Dynarr_length (ddla) > 0) | |
| 428 { | |
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429 dl = Dynarr_lastp (ddla); |
| 442 | 430 ypos = dl->ypos + dl->descent - dl->clip; |
| 431 } | |
| 432 else | |
| 433 ypos = y; | |
| 428 | 434 |
| 442 | 435 redisplay_clear_region (window, findex, x + border_width , ypos, |
| 436 width - 2 * border_width, height - (ypos - y) - border_width); | |
| 437 /* If, for some reason, we have more to display than we have | |
| 4186 | 438 room for, and we are allowed to resize the gutter, then make |
| 439 sure this happens before the next time we try and | |
| 440 output. This can happen when face font sizes change. */ | |
| 441 if (dl && EQ (w->gutter_size[pos], Qautodetect) | |
| 444 | 442 && (dl->clip > 0 || |
| 4186 | 443 calculate_gutter_size_from_display_lines (pos, ddla) > |
| 444 | 444 WINDOW_GUTTER_SIZE_INTERNAL (w, pos))) |
| 442 | 445 { |
| 446 /* #### Ideally we would just mark the specifier as dirty | |
| 447 and everything else would "just work". Unfortunately we have | |
| 448 two problems with this. One is that the specifier cache | |
| 449 won't be recalculated unless the specifier code thinks the | |
| 450 cached value has actually changed, even though we have | |
| 451 marked the specifier as dirty. Additionally, although doing | |
| 452 this results in a gutter size change, we never seem to get | |
| 453 back into redisplay so that the frame size can be updated. I | |
| 454 think this is because we are already in redisplay and later | |
| 455 on the frame will be marked as clean. Thus we also have to | |
| 456 force a pending recalculation of the frame size. */ | |
| 457 w->gutter_size[pos] = Qnil; | |
| 458 Fset_specifier_dirty_flag (Vgutter_size[pos]); | |
| 459 update_gutter_geometry (f, pos); | |
| 460 } | |
| 461 | |
| 462 /* bevel the gutter area if so desired */ | |
| 463 if (border_width != 0) | |
| 464 { | |
| 465 MAYBE_DEVMETH (d, bevel_area, | |
| 466 (w, findex, x, y, width, height, border_width, | |
| 467 EDGE_ALL, EDGE_BEVEL_OUT)); | |
| 468 } | |
| 469 } | |
| 470 else | |
| 428 | 471 { |
| 442 | 472 /* Nothing of significance happened so sync the display line |
| 4186 | 473 structs. */ |
| 442 | 474 for (line = 0; line < Dynarr_length (ddla); line++) |
| 475 { | |
| 476 sync_display_line_structs (w, line, 1, cdla, ddla); | |
| 477 } | |
| 428 | 478 } |
| 479 | |
| 442 | 480 w->gutter_extent_modiff [pos] = 0; |
| 428 | 481 } |
| 482 | |
| 483 static void | |
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484 clear_gutter (struct frame *f, enum edge_pos pos) |
| 428 | 485 { |
| 486 int x, y, width, height; | |
| 487 Lisp_Object window = FRAME_LAST_NONMINIBUF_WINDOW (f); | |
| 488 face_index findex = get_builtin_face_cache_index (XWINDOW (window), | |
| 442 | 489 Vwidget_face); |
| 428 | 490 get_gutter_coords (f, pos, &x, &y, &width, &height); |
| 491 | |
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492 f->gutter_was_visible[pos] = 0; |
| 428 | 493 |
| 494 redisplay_clear_region (window, findex, x, y, width, height); | |
| 495 } | |
| 496 | |
| 617 | 497 /* [[#### I don't currently believe that redisplay needs to mark the |
| 442 | 498 glyphs in its structures since these will always be referenced from |
| 499 somewhere else. However, I'm not sure enough to stake my life on it | |
| 617 | 500 at this point, so we do the safe thing.]] |
| 501 | |
| 502 ALWAYS mark everything. --ben */ | |
| 442 | 503 |
| 504 /* See the comment in image_instantiate_cache_result as to why marking | |
| 505 the glyph will also mark the image_instance. */ | |
| 506 void | |
| 617 | 507 mark_gutters (struct frame *f) |
| 442 | 508 { |
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509 enum edge_pos pos; |
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510 EDGE_POS_LOOP (pos) |
| 442 | 511 { |
| 512 if (f->current_display_lines[pos]) | |
| 513 mark_redisplay_structs (f->current_display_lines[pos]); | |
| 617 | 514 /* [[#### Do we really need to mark the desired lines?]] |
| 4186 | 515 ALWAYS mark everything. --ben */ |
| 442 | 516 if (f->desired_display_lines[pos]) |
| 517 mark_redisplay_structs (f->desired_display_lines[pos]); | |
| 518 } | |
| 519 } | |
| 520 | |
| 521 /* This is called by extent_changed_for_redisplay, so that redisplay | |
| 522 knows exactly what extents have changed. */ | |
| 523 void | |
| 524 gutter_extent_signal_changed_region_maybe (Lisp_Object obj, | |
| 2286 | 525 Charbpos UNUSED (start), |
| 526 Charbpos UNUSED (end)) | |
| 442 | 527 { |
| 528 /* #### Start and end are currently ignored but could be used by a | |
| 529 more optimal gutter redisplay. We currently loop over all frames | |
| 530 here, this could be optimized. */ | |
| 531 Lisp_Object frmcons, devcons, concons; | |
| 532 | |
| 533 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons) | |
| 534 { | |
| 535 struct frame *f = XFRAME (XCAR (frmcons)); | |
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536 enum edge_pos pos; |
| 442 | 537 Lisp_Object window = FRAME_LAST_NONMINIBUF_WINDOW (f); |
| 538 struct window* w = XWINDOW (window); | |
| 539 | |
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540 EDGE_POS_LOOP (pos) |
| 442 | 541 { |
| 542 if (EQ (WINDOW_GUTTER (w, pos), obj)) | |
| 543 { | |
| 544 w->gutter_extent_modiff[pos]++; | |
| 545 } | |
| 546 } | |
| 547 } | |
| 548 } | |
| 549 | |
| 550 /* We have to change the gutter geometry separately to the gutter | |
| 551 update since it needs to occur outside of redisplay proper. */ | |
| 552 static void | |
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553 update_gutter_geometry (struct frame *f, enum edge_pos pos) |
| 442 | 554 { |
| 555 /* If the gutter geometry has changed then re-layout the | |
| 556 frame. If we are in display there is almost no point in doing | |
| 557 anything else since the frame size changes will be delayed | |
| 558 until we are out of redisplay proper. */ | |
| 559 if (FRAME_GUTTER_BOUNDS (f, pos) != f->current_gutter_bounds[pos]) | |
| 560 { | |
| 561 int width, height; | |
| 5043 | 562 pixel_to_frame_unit_size (f, FRAME_PIXWIDTH (f), FRAME_PIXHEIGHT (f), |
| 442 | 563 &width, &height); |
| 5043 | 564 change_frame_size (f, width, height, 0); |
| 905 | 565 MARK_FRAME_LAYOUT_CHANGED (f); |
| 442 | 566 } |
| 567 | |
| 568 /* Mark sizes as up-to-date. */ | |
| 569 f->current_gutter_bounds[pos] = FRAME_GUTTER_BOUNDS (f, pos); | |
| 570 } | |
| 571 | |
| 572 void | |
| 573 update_frame_gutter_geometry (struct frame *f) | |
| 574 { | |
| 4186 | 575 if (f->gutter_changed |
| 576 || f->frame_layout_changed | |
| 905 | 577 || f->windows_structure_changed) |
| 442 | 578 { |
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579 enum edge_pos pos; |
| 442 | 580 |
| 581 /* If the gutter geometry has changed then re-layout the | |
| 4186 | 582 frame. If we are in display there is almost no point in doing |
| 583 anything else since the frame size changes will be delayed | |
| 584 until we are out of redisplay proper. */ | |
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585 EDGE_POS_LOOP (pos) |
| 442 | 586 { |
| 587 update_gutter_geometry (f, pos); | |
| 588 } | |
| 589 } | |
| 590 } | |
| 591 | |
| 428 | 592 void |
| 593 update_frame_gutters (struct frame *f) | |
| 594 { | |
| 442 | 595 if (f->faces_changed || f->frame_changed || |
| 596 f->gutter_changed || f->glyphs_changed || | |
| 597 f->size_changed || f->subwindows_changed || | |
| 598 f->windows_changed || f->windows_structure_changed || | |
| 905 | 599 f->extents_changed || f->frame_layout_changed) |
| 428 | 600 { |
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601 enum edge_pos pos; |
| 442 | 602 |
| 428 | 603 /* We don't actually care about these when outputting the gutter |
| 4186 | 604 so locally disable them. */ |
| 428 | 605 int local_clip_changed = f->clip_changed; |
| 606 int local_buffers_changed = f->buffers_changed; | |
| 607 f->clip_changed = 0; | |
| 608 f->buffers_changed = 0; | |
| 609 | |
| 610 /* and output */ | |
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611 EDGE_POS_LOOP (pos) |
| 428 | 612 { |
| 613 if (FRAME_GUTTER_VISIBLE (f, pos)) | |
| 442 | 614 output_gutter (f, pos, 0); |
| 615 | |
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616 else if (f->gutter_was_visible[pos]) |
| 442 | 617 clear_gutter (f, pos); |
| 428 | 618 } |
| 442 | 619 |
| 428 | 620 f->clip_changed = local_clip_changed; |
| 621 f->buffers_changed = local_buffers_changed; | |
| 622 f->gutter_changed = 0; | |
| 623 } | |
| 624 } | |
| 625 | |
| 626 void | |
| 627 reset_gutter_display_lines (struct frame* f) | |
| 628 { | |
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629 enum edge_pos pos; |
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630 EDGE_POS_LOOP (pos) |
| 442 | 631 { |
| 632 if (f->current_display_lines[pos]) | |
| 633 Dynarr_reset (f->current_display_lines[pos]); | |
| 634 } | |
| 428 | 635 } |
| 636 | |
| 637 static void | |
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638 redraw_exposed_gutter (struct frame *f, enum edge_pos pos, int x, int y, |
| 428 | 639 int width, int height) |
| 640 { | |
| 641 int g_x, g_y, g_width, g_height; | |
| 642 | |
| 643 get_gutter_coords (f, pos, &g_x, &g_y, &g_width, &g_height); | |
| 644 | |
| 645 if (((y + height) < g_y) || (y > (g_y + g_height)) || !height || !width || !g_height || !g_width) | |
| 646 return; | |
| 647 if (((x + width) < g_x) || (x > (g_x + g_width))) | |
| 648 return; | |
| 649 | |
| 442 | 650 #ifdef DEBUG_WIDGETS |
| 639 | 651 stderr_out ("redrawing gutter after expose %d+%d, %dx%d\n", |
| 442 | 652 x, y, width, height); |
| 653 #endif | |
| 428 | 654 /* #### optimize this - redrawing the whole gutter for every expose |
| 655 is very expensive. We reset the current display lines because if | |
| 656 they're being exposed they are no longer current. */ | |
| 657 reset_gutter_display_lines (f); | |
| 658 | |
| 659 /* Even if none of the gutter is in the area, the blank region at | |
| 660 the very least must be because the first thing we did is verify | |
| 661 that some portion of the gutter is in the exposed region. */ | |
| 442 | 662 output_gutter (f, pos, 1); |
| 428 | 663 } |
| 664 | |
| 665 void | |
| 666 redraw_exposed_gutters (struct frame *f, int x, int y, int width, | |
| 667 int height) | |
| 668 { | |
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669 enum edge_pos pos; |
| 442 | 670 |
| 1318 | 671 /* We are already inside the critical section -- our caller did that. */ |
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672 EDGE_POS_LOOP (pos) |
| 428 | 673 { |
| 674 if (FRAME_GUTTER_VISIBLE (f, pos)) | |
| 675 redraw_exposed_gutter (f, pos, x, y, width, height); | |
| 676 } | |
| 677 } | |
| 678 | |
| 679 void | |
| 680 free_frame_gutters (struct frame *f) | |
| 681 { | |
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682 enum edge_pos pos; |
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683 EDGE_POS_LOOP (pos) |
| 428 | 684 { |
| 442 | 685 if (f->current_display_lines[pos]) |
| 686 { | |
| 687 free_display_lines (f->current_display_lines[pos]); | |
| 688 f->current_display_lines[pos] = 0; | |
| 689 } | |
| 690 if (f->desired_display_lines[pos]) | |
| 691 { | |
| 692 free_display_lines (f->desired_display_lines[pos]); | |
| 693 f->desired_display_lines[pos] = 0; | |
| 694 } | |
| 428 | 695 } |
| 696 } | |
| 697 | |
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698 static enum edge_pos |
| 428 | 699 decode_gutter_position (Lisp_Object position) |
| 700 { | |
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701 if (EQ (position, Qtop)) return TOP_EDGE; |
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702 if (EQ (position, Qbottom)) return BOTTOM_EDGE; |
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703 if (EQ (position, Qleft)) return LEFT_EDGE; |
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704 if (EQ (position, Qright)) return RIGHT_EDGE; |
| 563 | 705 invalid_constant ("Invalid gutter position", position); |
| 428 | 706 |
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707 RETURN_NOT_REACHED (TOP_EDGE); |
| 428 | 708 } |
| 709 | |
| 710 DEFUN ("set-default-gutter-position", Fset_default_gutter_position, 1, 1, 0, /* | |
| 711 Set the position that the `default-gutter' will be displayed at. | |
| 3025 | 712 Valid positions are `top', `bottom', `left' and `right'. |
| 428 | 713 See `default-gutter-position'. |
| 714 */ | |
| 715 (position)) | |
| 716 { | |
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717 enum edge_pos cur = decode_gutter_position (Vdefault_gutter_position); |
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718 enum edge_pos new_ = decode_gutter_position (position); |
| 428 | 719 |
| 3025 | 720 if (cur != new_) |
| 428 | 721 { |
| 722 /* The following calls will automatically cause the dirty | |
| 723 flags to be set; we delay frame size changes to avoid | |
| 724 lots of frame flickering. */ | |
| 725 /* #### I think this should be GC protected. -sb */ | |
| 1318 | 726 int depth = begin_hold_frame_size_changes (); |
| 727 | |
| 428 | 728 set_specifier_fallback (Vgutter[cur], list1 (Fcons (Qnil, Qnil))); |
| 3025 | 729 set_specifier_fallback (Vgutter[new_], Vdefault_gutter); |
| 428 | 730 set_specifier_fallback (Vgutter_size[cur], list1 (Fcons (Qnil, Qzero))); |
| 3025 | 731 set_specifier_fallback (Vgutter_size[new_], |
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732 new_ == TOP_EDGE || new_ == BOTTOM_EDGE |
| 428 | 733 ? Vdefault_gutter_height |
| 734 : Vdefault_gutter_width); | |
| 735 set_specifier_fallback (Vgutter_border_width[cur], | |
| 736 list1 (Fcons (Qnil, Qzero))); | |
| 3025 | 737 set_specifier_fallback (Vgutter_border_width[new_], |
| 428 | 738 Vdefault_gutter_border_width); |
| 444 | 739 set_specifier_fallback (Vgutter_visible_p[cur], list1 (Fcons (Qnil, Qt))); |
| 3025 | 740 set_specifier_fallback (Vgutter_visible_p[new_], Vdefault_gutter_visible_p); |
| 1318 | 741 Vdefault_gutter_position = position; |
| 442 | 742 |
| 1318 | 743 unbind_to (depth); |
| 428 | 744 } |
| 745 | |
| 442 | 746 run_hook (Qdefault_gutter_position_changed_hook); |
| 747 | |
| 428 | 748 return position; |
| 749 } | |
| 750 | |
| 751 DEFUN ("default-gutter-position", Fdefault_gutter_position, 0, 0, 0, /* | |
| 752 Return the position that the `default-gutter' will be displayed at. | |
| 753 The `default-gutter' will only be displayed here if the corresponding | |
| 754 position-specific gutter specifier does not provide a value. | |
| 755 */ | |
| 756 ()) | |
| 757 { | |
| 758 return Vdefault_gutter_position; | |
| 759 } | |
| 760 | |
| 761 DEFUN ("gutter-pixel-width", Fgutter_pixel_width, 0, 2, 0, /* | |
| 762 Return the pixel width of the gutter at POS in LOCALE. | |
| 763 POS defaults to the default gutter position. LOCALE defaults to | |
| 764 the current window. | |
| 765 */ | |
| 766 (pos, locale)) | |
| 767 { | |
| 768 int x, y, width, height; | |
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769 enum edge_pos p = TOP_EDGE; |
| 428 | 770 struct frame *f = decode_frame (FW_FRAME (locale)); |
| 771 | |
| 772 if (NILP (pos)) | |
| 773 pos = Vdefault_gutter_position; | |
| 774 p = decode_gutter_position (pos); | |
| 775 | |
| 776 get_gutter_coords (f, p, &x, &y, &width, &height); | |
| 777 width -= (FRAME_GUTTER_BORDER_WIDTH (f, p) * 2); | |
| 778 | |
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779 return make_fixnum (width); |
| 428 | 780 } |
| 781 | |
| 782 DEFUN ("gutter-pixel-height", Fgutter_pixel_height, 0, 2, 0, /* | |
| 783 Return the pixel height of the gutter at POS in LOCALE. | |
| 784 POS defaults to the default gutter position. LOCALE defaults to | |
| 785 the current window. | |
| 786 */ | |
| 787 (pos, locale)) | |
| 788 { | |
| 789 int x, y, width, height; | |
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790 enum edge_pos p = TOP_EDGE; |
| 428 | 791 struct frame *f = decode_frame (FW_FRAME (locale)); |
| 792 | |
| 793 if (NILP (pos)) | |
| 794 pos = Vdefault_gutter_position; | |
| 795 p = decode_gutter_position (pos); | |
| 796 | |
| 797 get_gutter_coords (f, p, &x, &y, &width, &height); | |
| 798 height -= (FRAME_GUTTER_BORDER_WIDTH (f, p) * 2); | |
| 799 | |
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800 return make_fixnum (height); |
| 428 | 801 } |
| 802 | |
| 803 DEFINE_SPECIFIER_TYPE (gutter); | |
| 804 | |
| 805 static void | |
| 2286 | 806 gutter_after_change (Lisp_Object UNUSED (specifier), |
| 807 Lisp_Object UNUSED (locale)) | |
| 428 | 808 { |
| 809 MARK_GUTTER_CHANGED; | |
| 810 } | |
| 811 | |
| 812 static void | |
| 813 gutter_validate (Lisp_Object instantiator) | |
| 814 { | |
| 815 if (NILP (instantiator)) | |
| 816 return; | |
| 817 | |
| 442 | 818 /* Must be a string or a plist. */ |
| 819 if (!STRINGP (instantiator) && NILP (Fvalid_plist_p (instantiator))) | |
| 563 | 820 sferror ("Gutter spec must be string, plist or nil", instantiator); |
| 442 | 821 |
| 428 | 822 if (!STRINGP (instantiator)) |
| 442 | 823 { |
| 824 Lisp_Object rest; | |
| 825 | |
| 826 for (rest = instantiator; !NILP (rest); rest = XCDR (XCDR (rest))) | |
| 827 { | |
| 828 if (!SYMBOLP (XCAR (rest)) | |
| 829 || !STRINGP (XCAR (XCDR (rest)))) | |
| 563 | 830 sferror ("Gutter plist spec must contain strings", instantiator); |
| 442 | 831 } |
| 832 } | |
| 428 | 833 } |
| 834 | |
| 835 DEFUN ("gutter-specifier-p", Fgutter_specifier_p, 1, 1, 0, /* | |
| 836 Return non-nil if OBJECT is a gutter specifier. | |
| 837 | |
| 442 | 838 See `make-gutter-specifier' for a description of possible gutter |
| 839 instantiators. | |
| 428 | 840 */ |
| 841 (object)) | |
| 842 { | |
| 843 return GUTTER_SPECIFIERP (object) ? Qt : Qnil; | |
| 844 } | |
| 845 | |
| 846 | |
| 847 /* | |
| 848 Helper for invalidating the real specifier when default | |
| 849 specifier caching changes | |
| 850 */ | |
| 851 static void | |
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852 recompute_overlaying_specifier (Lisp_Object real_one[NUM_EDGES]) |
| 428 | 853 { |
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854 enum edge_pos pos = decode_gutter_position (Vdefault_gutter_position); |
| 428 | 855 Fset_specifier_dirty_flag (real_one[pos]); |
| 856 } | |
| 857 | |
| 1318 | 858 static void gutter_specs_changed (Lisp_Object specifier, struct window *w, |
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859 Lisp_Object oldval, enum edge_pos pos); |
| 1318 | 860 |
| 861 static void | |
| 862 gutter_specs_changed_1 (Lisp_Object arg) | |
| 863 { | |
| 864 gutter_specs_changed (X1ST (arg), XWINDOW (X2ND (arg)), | |
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865 X3RD (arg), (enum edge_pos) XFIXNUM (X4TH (arg))); |
| 1318 | 866 free_list (arg); |
| 867 } | |
| 868 | |
| 428 | 869 static void |
| 870 gutter_specs_changed (Lisp_Object specifier, struct window *w, | |
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871 Lisp_Object oldval, enum edge_pos pos) |
| 428 | 872 { |
| 1318 | 873 if (in_display) |
| 874 register_post_redisplay_action (gutter_specs_changed_1, | |
| 875 list4 (specifier, wrap_window (w), | |
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876 oldval, make_fixnum (pos))); |
| 1318 | 877 else |
| 878 { | |
| 879 w->real_gutter[pos] = construct_window_gutter_spec (w, pos); | |
| 880 w->real_gutter_size[pos] = w->gutter_size[pos]; | |
| 442 | 881 |
| 1318 | 882 if (EQ (w->real_gutter_size[pos], Qautodetect) |
| 883 && !NILP (w->gutter_visible_p[pos])) | |
| 884 { | |
| 885 w->real_gutter_size [pos] = calculate_gutter_size (w, pos); | |
| 886 } | |
| 887 MARK_GUTTER_CHANGED; | |
| 888 MARK_MODELINE_CHANGED; | |
| 889 MARK_WINDOWS_CHANGED (w); | |
| 428 | 890 } |
| 891 } | |
| 892 | |
| 442 | 893 /* We define all of these so we can access which actual gutter changed. */ |
| 894 static void | |
| 895 top_gutter_specs_changed (Lisp_Object specifier, struct window *w, | |
| 896 Lisp_Object oldval) | |
| 897 { | |
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898 gutter_specs_changed (specifier, w, oldval, TOP_EDGE); |
| 442 | 899 } |
| 900 | |
| 901 static void | |
| 902 bottom_gutter_specs_changed (Lisp_Object specifier, struct window *w, | |
| 903 Lisp_Object oldval) | |
| 904 { | |
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905 gutter_specs_changed (specifier, w, oldval, BOTTOM_EDGE); |
| 442 | 906 } |
| 907 | |
| 908 static void | |
| 909 left_gutter_specs_changed (Lisp_Object specifier, struct window *w, | |
| 910 Lisp_Object oldval) | |
| 911 { | |
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912 gutter_specs_changed (specifier, w, oldval, LEFT_EDGE); |
| 442 | 913 } |
| 914 | |
| 915 static void | |
| 916 right_gutter_specs_changed (Lisp_Object specifier, struct window *w, | |
| 917 Lisp_Object oldval) | |
| 918 { | |
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919 gutter_specs_changed (specifier, w, oldval, RIGHT_EDGE); |
| 442 | 920 } |
| 921 | |
| 428 | 922 static void |
| 2286 | 923 default_gutter_specs_changed (Lisp_Object UNUSED (specifier), |
| 924 struct window *UNUSED (w), | |
| 925 Lisp_Object UNUSED (oldval)) | |
| 428 | 926 { |
| 927 recompute_overlaying_specifier (Vgutter); | |
| 928 } | |
| 929 | |
| 1318 | 930 static void gutter_geometry_changed_in_window (Lisp_Object specifier, |
| 931 struct window *w, | |
| 932 Lisp_Object oldval); | |
| 933 | |
| 934 static void | |
| 935 gutter_geometry_changed_in_window_1 (Lisp_Object arg) | |
| 936 { | |
| 937 gutter_geometry_changed_in_window (X1ST (arg), XWINDOW (X2ND (arg)), | |
| 938 X3RD (arg)); | |
| 939 free_list (arg); | |
| 940 } | |
| 941 | |
| 428 | 942 static void |
| 943 gutter_geometry_changed_in_window (Lisp_Object specifier, struct window *w, | |
| 944 Lisp_Object oldval) | |
| 945 { | |
| 1318 | 946 if (in_display) |
| 947 register_post_redisplay_action (gutter_geometry_changed_in_window_1, | |
| 948 list3 (specifier, wrap_window (w), | |
| 949 oldval)); | |
| 950 else | |
| 428 | 951 { |
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952 enum edge_pos pos; |
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953 EDGE_POS_LOOP (pos) |
| 428 | 954 { |
| 1318 | 955 w->real_gutter_size[pos] = w->gutter_size[pos]; |
| 956 if (EQ (w->real_gutter_size[pos], Qautodetect) | |
| 957 && !NILP (w->gutter_visible_p[pos])) | |
| 958 { | |
| 959 w->real_gutter_size [pos] = calculate_gutter_size (w, pos); | |
| 960 } | |
| 428 | 961 } |
| 442 | 962 |
| 1318 | 963 MARK_GUTTER_CHANGED; |
| 964 MARK_MODELINE_CHANGED; | |
| 965 MARK_WINDOWS_CHANGED (w); | |
| 966 } | |
| 428 | 967 } |
| 968 | |
| 969 static void | |
| 2286 | 970 default_gutter_size_changed_in_window (Lisp_Object UNUSED (specifier), |
| 971 struct window *UNUSED (w), | |
| 972 Lisp_Object UNUSED (oldval)) | |
| 428 | 973 { |
| 974 recompute_overlaying_specifier (Vgutter_size); | |
| 975 } | |
| 976 | |
| 977 static void | |
| 2286 | 978 default_gutter_border_width_changed_in_window (Lisp_Object UNUSED (specifier), |
| 979 struct window *UNUSED (w), | |
| 980 Lisp_Object UNUSED (oldval)) | |
| 428 | 981 { |
| 982 recompute_overlaying_specifier (Vgutter_border_width); | |
| 983 } | |
| 984 | |
| 985 static void | |
| 2286 | 986 default_gutter_visible_p_changed_in_window (Lisp_Object UNUSED (specifier), |
| 987 struct window *UNUSED (w), | |
| 988 Lisp_Object UNUSED (oldval)) | |
| 428 | 989 { |
| 990 recompute_overlaying_specifier (Vgutter_visible_p); | |
| 442 | 991 /* Need to reconstruct the gutter specifier as it is affected by the |
| 992 visibility. */ | |
| 993 recompute_overlaying_specifier (Vgutter); | |
| 428 | 994 } |
| 995 | |
| 996 | |
| 997 DECLARE_SPECIFIER_TYPE (gutter_size); | |
| 998 #define GUTTER_SIZE_SPECIFIERP(x) SPECIFIER_TYPEP (x, gutter_size) | |
| 999 DEFINE_SPECIFIER_TYPE (gutter_size); | |
| 1000 | |
| 1001 static void | |
| 1002 gutter_size_validate (Lisp_Object instantiator) | |
| 1003 { | |
| 1004 if (NILP (instantiator)) | |
| 1005 return; | |
| 1006 | |
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1007 if (!FIXNUMP (instantiator) && !EQ (instantiator, Qautodetect)) |
| 3025 | 1008 invalid_argument ("Gutter size must be an integer or `autodetect'", instantiator); |
| 428 | 1009 } |
| 1010 | |
| 1011 DEFUN ("gutter-size-specifier-p", Fgutter_size_specifier_p, 1, 1, 0, /* | |
| 1012 Return non-nil if OBJECT is a gutter-size specifier. | |
| 442 | 1013 |
| 1014 See `make-gutter-size-specifier' for a description of possible gutter-size | |
| 1015 instantiators. | |
| 428 | 1016 */ |
| 1017 (object)) | |
| 1018 { | |
| 1019 return GUTTER_SIZE_SPECIFIERP (object) ? Qt : Qnil; | |
| 1020 } | |
| 1021 | |
| 442 | 1022 DECLARE_SPECIFIER_TYPE (gutter_visible); |
| 1023 #define GUTTER_VISIBLE_SPECIFIERP(x) SPECIFIER_TYPEP (x, gutter_visible) | |
| 1024 DEFINE_SPECIFIER_TYPE (gutter_visible); | |
| 1025 | |
| 1026 static void | |
| 1027 gutter_visible_validate (Lisp_Object instantiator) | |
| 1028 { | |
| 1029 if (NILP (instantiator)) | |
| 1030 return; | |
| 1031 | |
| 1032 if (!NILP (instantiator) && !EQ (instantiator, Qt) && !CONSP (instantiator)) | |
| 563 | 1033 invalid_argument ("Gutter visibility must be a boolean or list of symbols", |
| 442 | 1034 instantiator); |
| 1035 | |
| 1036 if (CONSP (instantiator)) | |
| 1037 { | |
| 2367 | 1038 EXTERNAL_LIST_LOOP_2 (elt, instantiator) |
| 442 | 1039 { |
| 2367 | 1040 if (!SYMBOLP (elt)) |
| 563 | 1041 invalid_argument ("Gutter visibility must be a boolean or list of symbols", |
| 442 | 1042 instantiator); |
| 1043 } | |
| 1044 } | |
| 1045 } | |
| 1046 | |
| 1047 DEFUN ("gutter-visible-specifier-p", Fgutter_visible_specifier_p, 1, 1, 0, /* | |
| 1048 Return non-nil if OBJECT is a gutter-visible specifier. | |
| 1049 | |
| 1050 See `make-gutter-visible-specifier' for a description of possible | |
| 1051 gutter-visible instantiators. | |
| 1052 */ | |
| 1053 (object)) | |
| 1054 { | |
| 1055 return GUTTER_VISIBLE_SPECIFIERP (object) ? Qt : Qnil; | |
| 1056 } | |
| 1057 | |
| 428 | 1058 DEFUN ("redisplay-gutter-area", Fredisplay_gutter_area, 0, 0, 0, /* |
| 1059 Ensure that all gutters are correctly showing their gutter specifier. | |
| 1060 */ | |
| 1061 ()) | |
| 1062 { | |
| 1063 Lisp_Object devcons, concons; | |
| 1064 | |
| 1318 | 1065 /* Can't reentrantly enter redisplay */ |
| 1066 if (in_display) | |
| 1067 return Qnil; | |
| 1068 | |
| 428 | 1069 DEVICE_LOOP_NO_BREAK (devcons, concons) |
| 1070 { | |
| 1071 struct device *d = XDEVICE (XCAR (devcons)); | |
| 1072 Lisp_Object frmcons; | |
| 1073 | |
| 1074 DEVICE_FRAME_LOOP (frmcons, d) | |
| 1075 { | |
| 1076 struct frame *f = XFRAME (XCAR (frmcons)); | |
| 1077 | |
| 442 | 1078 MAYBE_DEVMETH (d, frame_output_begin, (f)); |
| 1079 | |
| 1080 /* Sequence is quite important here. We not only want to | |
| 1081 redisplay the gutter area but we also want to flush any | |
| 1082 frame size changes out so that the gutter redisplay happens | |
| 1083 in a kosha environment. | |
| 1084 | |
| 1085 This is not only so that things look right but so that | |
| 1086 glyph redisplay optimization kicks in, by default display | |
| 1087 lines will be completely re-output if | |
| 1088 f->windows_structure_changed is 1, and this is true if | |
| 1089 frame size changes haven't been flushed out. Once frame | |
| 1090 size changes have been flushed out we then need to | |
| 1091 redisplay the frame in order to flush out pending window | |
| 1092 size changes. */ | |
| 1093 update_frame_gutter_geometry (f); | |
| 428 | 1094 |
| 442 | 1095 if (f->windows_structure_changed) |
| 1096 redisplay_frame (f, 1); | |
| 1097 else if (FRAME_REPAINT_P (f)) | |
| 1098 { | |
| 853 | 1099 int depth; |
| 1100 | |
| 442 | 1101 /* We have to be "in display" when we output the gutter |
| 4186 | 1102 - make it so. */ |
| 853 | 1103 depth = enter_redisplay_critical_section (); |
| 442 | 1104 update_frame_gutters (f); |
| 853 | 1105 exit_redisplay_critical_section (depth); |
| 442 | 1106 } |
| 1107 | |
| 1108 MAYBE_DEVMETH (d, frame_output_end, (f)); | |
| 1109 } | |
| 1110 | |
| 1111 d->gutter_changed = 0; | |
| 428 | 1112 } |
| 1113 | |
| 442 | 1114 /* This is so that further changes to the gutters will trigger redisplay. */ |
| 1115 gutter_changed_set = 0; | |
| 1116 gutter_changed = 0; | |
| 1117 | |
| 428 | 1118 return Qnil; |
| 1119 } | |
| 1120 | |
| 1121 void | |
| 1122 init_frame_gutters (struct frame *f) | |
| 1123 { | |
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1124 enum edge_pos pos; |
| 428 | 1125 struct window* w = XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)); |
| 1126 /* We are here as far in frame creation so cached specifiers are | |
| 1127 already recomputed, and possibly modified by resource | |
| 1128 initialization. We need to recalculate autodetected gutters. */ | |
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1129 EDGE_POS_LOOP (pos) |
| 428 | 1130 { |
| 442 | 1131 w->real_gutter[pos] = construct_window_gutter_spec (w, pos); |
| 428 | 1132 w->real_gutter_size[pos] = w->gutter_size[pos]; |
| 1133 if (EQ (w->gutter_size[pos], Qautodetect) | |
| 1134 && !NILP (w->gutter_visible_p[pos])) | |
| 1135 { | |
| 1136 w->real_gutter_size [pos] = calculate_gutter_size (w, pos); | |
| 1137 MARK_GUTTER_CHANGED; | |
| 1138 MARK_WINDOWS_CHANGED (w); | |
| 1139 } | |
| 1140 } | |
| 442 | 1141 |
| 1142 /* Keep a record of the current sizes of things. */ | |
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1143 EDGE_POS_LOOP (pos) |
| 442 | 1144 { |
| 1145 f->current_gutter_bounds[pos] = FRAME_GUTTER_BOUNDS (f, pos); | |
| 1146 } | |
| 428 | 1147 } |
| 1148 | |
| 1149 void | |
| 1150 syms_of_gutter (void) | |
| 1151 { | |
| 1152 DEFSUBR (Fgutter_specifier_p); | |
| 1153 DEFSUBR (Fgutter_size_specifier_p); | |
| 442 | 1154 DEFSUBR (Fgutter_visible_specifier_p); |
| 428 | 1155 DEFSUBR (Fset_default_gutter_position); |
| 1156 DEFSUBR (Fdefault_gutter_position); | |
| 1157 DEFSUBR (Fgutter_pixel_height); | |
| 1158 DEFSUBR (Fgutter_pixel_width); | |
| 1159 DEFSUBR (Fredisplay_gutter_area); | |
| 1160 | |
| 563 | 1161 DEFSYMBOL (Qgutter_size); |
| 1162 DEFSYMBOL (Qgutter_visible); | |
| 1163 DEFSYMBOL (Qdefault_gutter_position_changed_hook); | |
| 428 | 1164 } |
| 1165 | |
| 1166 void | |
| 1167 vars_of_gutter (void) | |
| 1168 { | |
| 1169 staticpro (&Vdefault_gutter_position); | |
| 1170 Vdefault_gutter_position = Qtop; | |
| 1171 | |
| 1172 Fprovide (Qgutter); | |
| 1173 } | |
| 1174 | |
| 1175 void | |
| 1176 specifier_type_create_gutter (void) | |
| 1177 { | |
| 1178 INITIALIZE_SPECIFIER_TYPE (gutter, "gutter", "gutter-specifier-p"); | |
| 1179 SPECIFIER_HAS_METHOD (gutter, validate); | |
| 1180 SPECIFIER_HAS_METHOD (gutter, after_change); | |
| 1181 | |
| 1182 INITIALIZE_SPECIFIER_TYPE (gutter_size, "gutter-size", "gutter-size-specifier-p"); | |
| 442 | 1183 SPECIFIER_HAS_METHOD (gutter_size, validate); |
| 428 | 1184 |
| 442 | 1185 INITIALIZE_SPECIFIER_TYPE (gutter_visible, "gutter-visible", "gutter-visible-specifier-p"); |
| 1186 SPECIFIER_HAS_METHOD (gutter_visible, validate); | |
| 428 | 1187 } |
| 1188 | |
| 1189 void | |
| 1190 reinit_specifier_type_create_gutter (void) | |
| 1191 { | |
| 1192 REINITIALIZE_SPECIFIER_TYPE (gutter); | |
| 1193 REINITIALIZE_SPECIFIER_TYPE (gutter_size); | |
| 442 | 1194 REINITIALIZE_SPECIFIER_TYPE (gutter_visible); |
| 428 | 1195 } |
| 1196 | |
| 1197 void | |
| 1198 specifier_vars_of_gutter (void) | |
| 1199 { | |
| 1200 Lisp_Object fb; | |
| 1201 | |
| 1202 DEFVAR_SPECIFIER ("default-gutter", &Vdefault_gutter /* | |
| 1203 Specifier for a fallback gutter. | |
| 1204 Use `set-specifier' to change this. | |
| 1205 | |
| 1206 The position of this gutter is specified in the function | |
| 1207 `default-gutter-position'. If the corresponding position-specific | |
| 3025 | 1208 gutter (e.g. `top-gutter' if `default-gutter-position' is `top') |
| 428 | 1209 does not specify a gutter in a particular domain (usually a window), |
| 1210 then the value of `default-gutter' in that domain, if any, will be | |
| 1211 used instead. | |
| 1212 | |
| 1213 Note that the gutter at any particular position will not be | |
| 1214 displayed unless its visibility flag is true and its thickness | |
| 1215 \(width or height, depending on orientation) is non-zero. The | |
| 1216 visibility is controlled by the specifiers `top-gutter-visible-p', | |
| 1217 `bottom-gutter-visible-p', `left-gutter-visible-p', and | |
| 1218 `right-gutter-visible-p', and the thickness is controlled by the | |
| 1219 specifiers `top-gutter-height', `bottom-gutter-height', | |
| 1220 `left-gutter-width', and `right-gutter-width'. | |
| 1221 | |
| 1222 Note that one of the four visibility specifiers inherits from | |
| 1223 `default-gutter-visibility' and one of the four thickness | |
| 1224 specifiers inherits from either `default-gutter-width' or | |
| 1225 `default-gutter-height' (depending on orientation), just | |
| 1226 like for the gutter description specifiers (e.g. `top-gutter') | |
| 1227 mentioned above. | |
| 1228 | |
| 1229 Therefore, if you are setting `default-gutter', you should control | |
| 1230 the visibility and thickness using `default-gutter-visible-p', | |
| 1231 `default-gutter-width', and `default-gutter-height', rather than | |
| 1232 using position-specific specifiers. That way, you will get sane | |
| 1233 behavior if the user changes the default gutter position. | |
| 1234 | |
| 442 | 1235 The gutter value should be a string, a property list of strings or |
| 1236 nil. You can attach extents and glyphs to the string and hence display | |
| 1237 glyphs and text in other fonts in the gutter area. If the gutter value | |
| 1238 is a property list then the strings will be concatenated together | |
| 1239 before being displayed. */ ); | |
| 428 | 1240 |
| 1241 Vdefault_gutter = Fmake_specifier (Qgutter); | |
| 1242 /* #### It would be even nicer if the specifier caching | |
| 1243 automatically knew about specifier fallbacks, so we didn't | |
| 1244 have to do it ourselves. */ | |
| 1245 set_specifier_caching (Vdefault_gutter, | |
| 438 | 1246 offsetof (struct window, default_gutter), |
| 428 | 1247 default_gutter_specs_changed, |
| 444 | 1248 0, 0, 1); |
| 428 | 1249 |
| 1250 DEFVAR_SPECIFIER ("top-gutter", | |
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1251 &Vgutter[TOP_EDGE] /* |
| 428 | 1252 Specifier for the gutter at the top of the frame. |
| 1253 Use `set-specifier' to change this. | |
| 1254 See `default-gutter' for a description of a valid gutter instantiator. | |
| 1255 */ ); | |
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1256 Vgutter[TOP_EDGE] = Fmake_specifier (Qgutter); |
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1257 set_specifier_caching (Vgutter[TOP_EDGE], |
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1258 offsetof (struct window, gutter[TOP_EDGE]), |
| 442 | 1259 top_gutter_specs_changed, |
| 444 | 1260 0, 0, 1); |
| 428 | 1261 |
| 1262 DEFVAR_SPECIFIER ("bottom-gutter", | |
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1263 &Vgutter[BOTTOM_EDGE] /* |
| 428 | 1264 Specifier for the gutter at the bottom of the frame. |
| 1265 Use `set-specifier' to change this. | |
| 1266 See `default-gutter' for a description of a valid gutter instantiator. | |
| 1267 | |
| 1268 Note that, unless the `default-gutter-position' is `bottom', by | |
| 1269 default the height of the bottom gutter (controlled by | |
| 1270 `bottom-gutter-height') is 0; thus, a bottom gutter will not be | |
| 1271 displayed even if you provide a value for `bottom-gutter'. | |
| 1272 */ ); | |
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1273 Vgutter[BOTTOM_EDGE] = Fmake_specifier (Qgutter); |
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1274 set_specifier_caching (Vgutter[BOTTOM_EDGE], |
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1275 offsetof (struct window, gutter[BOTTOM_EDGE]), |
| 442 | 1276 bottom_gutter_specs_changed, |
| 444 | 1277 0, 0, 1); |
| 428 | 1278 |
| 1279 DEFVAR_SPECIFIER ("left-gutter", | |
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1280 &Vgutter[LEFT_EDGE] /* |
| 428 | 1281 Specifier for the gutter at the left edge of the frame. |
| 1282 Use `set-specifier' to change this. | |
| 1283 See `default-gutter' for a description of a valid gutter instantiator. | |
| 1284 | |
| 1285 Note that, unless the `default-gutter-position' is `left', by | |
| 1286 default the height of the left gutter (controlled by | |
| 1287 `left-gutter-width') is 0; thus, a left gutter will not be | |
| 1288 displayed even if you provide a value for `left-gutter'. | |
| 1289 */ ); | |
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1290 Vgutter[LEFT_EDGE] = Fmake_specifier (Qgutter); |
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1291 set_specifier_caching (Vgutter[LEFT_EDGE], |
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1292 offsetof (struct window, gutter[LEFT_EDGE]), |
| 442 | 1293 left_gutter_specs_changed, |
| 444 | 1294 0, 0, 1); |
| 428 | 1295 |
| 1296 DEFVAR_SPECIFIER ("right-gutter", | |
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1297 &Vgutter[RIGHT_EDGE] /* |
| 428 | 1298 Specifier for the gutter at the right edge of the frame. |
| 1299 Use `set-specifier' to change this. | |
| 1300 See `default-gutter' for a description of a valid gutter instantiator. | |
| 1301 | |
| 1302 Note that, unless the `default-gutter-position' is `right', by | |
| 1303 default the height of the right gutter (controlled by | |
| 1304 `right-gutter-width') is 0; thus, a right gutter will not be | |
| 1305 displayed even if you provide a value for `right-gutter'. | |
| 1306 */ ); | |
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1307 Vgutter[RIGHT_EDGE] = Fmake_specifier (Qgutter); |
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1308 set_specifier_caching (Vgutter[RIGHT_EDGE], |
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1309 offsetof (struct window, gutter[RIGHT_EDGE]), |
| 442 | 1310 right_gutter_specs_changed, |
| 444 | 1311 0, 0, 1); |
| 428 | 1312 |
| 1313 /* initially, top inherits from default; this can be | |
| 1314 changed with `set-default-gutter-position'. */ | |
| 1315 fb = list1 (Fcons (Qnil, Qnil)); | |
| 1316 set_specifier_fallback (Vdefault_gutter, fb); | |
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1317 set_specifier_fallback (Vgutter[TOP_EDGE], Vdefault_gutter); |
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1318 set_specifier_fallback (Vgutter[BOTTOM_EDGE], fb); |
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1319 set_specifier_fallback (Vgutter[LEFT_EDGE], fb); |
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1320 set_specifier_fallback (Vgutter[RIGHT_EDGE], fb); |
| 428 | 1321 |
| 1322 DEFVAR_SPECIFIER ("default-gutter-height", &Vdefault_gutter_height /* | |
| 1323 *Height of the default gutter, if it's oriented horizontally. | |
| 1324 This is a specifier; use `set-specifier' to change it. | |
| 1325 | |
| 1326 The position of the default gutter is specified by the function | |
| 1327 `set-default-gutter-position'. If the corresponding position-specific | |
| 1328 gutter thickness specifier (e.g. `top-gutter-height' if | |
| 3025 | 1329 `default-gutter-position' is `top') does not specify a thickness in a |
| 428 | 1330 particular domain (a window or a frame), then the value of |
| 1331 `default-gutter-height' or `default-gutter-width' (depending on the | |
| 1332 gutter orientation) in that domain, if any, will be used instead. | |
| 1333 | |
| 1334 Note that `default-gutter-height' is only used when | |
| 3025 | 1335 `default-gutter-position' is `top' or `bottom', and `default-gutter-width' |
| 1336 is only used when `default-gutter-position' is `left' or `right'. | |
| 428 | 1337 |
| 1338 Note that all of the position-specific gutter thickness specifiers | |
| 1339 have a fallback value of zero when they do not correspond to the | |
| 1340 default gutter. Therefore, you will have to set a non-zero thickness | |
| 1341 value if you want a position-specific gutter to be displayed. | |
| 1342 | |
| 3025 | 1343 If you set the height to `autodetect' the size of the gutter will be |
| 428 | 1344 calculated to be large enough to hold the contents of the gutter. This |
| 1345 is the default. | |
| 1346 */ ); | |
| 1347 Vdefault_gutter_height = Fmake_specifier (Qgutter_size); | |
| 1348 set_specifier_caching (Vdefault_gutter_height, | |
| 438 | 1349 offsetof (struct window, default_gutter_height), |
| 428 | 1350 default_gutter_size_changed_in_window, |
| 444 | 1351 0, 0, 1); |
| 428 | 1352 |
| 1353 DEFVAR_SPECIFIER ("default-gutter-width", &Vdefault_gutter_width /* | |
| 1354 *Width of the default gutter, if it's oriented vertically. | |
| 1355 This is a specifier; use `set-specifier' to change it. | |
| 1356 | |
| 1357 See `default-gutter-height' for more information. | |
| 1358 */ ); | |
| 444 | 1359 Vdefault_gutter_width = Fmake_specifier (Qgutter_size); |
| 428 | 1360 set_specifier_caching (Vdefault_gutter_width, |
| 438 | 1361 offsetof (struct window, default_gutter_width), |
| 428 | 1362 default_gutter_size_changed_in_window, |
| 444 | 1363 0, 0, 1); |
| 428 | 1364 |
| 1365 DEFVAR_SPECIFIER ("top-gutter-height", | |
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1366 &Vgutter_size[TOP_EDGE] /* |
| 428 | 1367 *Height of the top gutter. |
| 1368 This is a specifier; use `set-specifier' to change it. | |
| 1369 | |
| 1370 See `default-gutter-height' for more information. | |
| 1371 */ ); | |
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1372 Vgutter_size[TOP_EDGE] = Fmake_specifier (Qgutter_size); |
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1373 set_specifier_caching (Vgutter_size[TOP_EDGE], |
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1374 offsetof (struct window, gutter_size[TOP_EDGE]), |
| 444 | 1375 gutter_geometry_changed_in_window, 0, 0, 1); |
| 428 | 1376 |
| 1377 DEFVAR_SPECIFIER ("bottom-gutter-height", | |
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1378 &Vgutter_size[BOTTOM_EDGE] /* |
| 428 | 1379 *Height of the bottom gutter. |
| 1380 This is a specifier; use `set-specifier' to change it. | |
| 1381 | |
| 1382 See `default-gutter-height' for more information. | |
| 1383 */ ); | |
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1384 Vgutter_size[BOTTOM_EDGE] = Fmake_specifier (Qgutter_size); |
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1385 set_specifier_caching (Vgutter_size[BOTTOM_EDGE], |
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1386 offsetof (struct window, gutter_size[BOTTOM_EDGE]), |
| 444 | 1387 gutter_geometry_changed_in_window, 0, 0, 1); |
| 428 | 1388 |
| 1389 DEFVAR_SPECIFIER ("left-gutter-width", | |
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1390 &Vgutter_size[LEFT_EDGE] /* |
| 428 | 1391 *Width of left gutter. |
| 1392 This is a specifier; use `set-specifier' to change it. | |
| 1393 | |
| 1394 See `default-gutter-height' for more information. | |
| 1395 */ ); | |
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1396 Vgutter_size[LEFT_EDGE] = Fmake_specifier (Qgutter_size); |
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1397 set_specifier_caching (Vgutter_size[LEFT_EDGE], |
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1398 offsetof (struct window, gutter_size[LEFT_EDGE]), |
| 444 | 1399 gutter_geometry_changed_in_window, 0, 0, 1); |
| 428 | 1400 |
| 1401 DEFVAR_SPECIFIER ("right-gutter-width", | |
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1402 &Vgutter_size[RIGHT_EDGE] /* |
| 428 | 1403 *Width of right gutter. |
| 1404 This is a specifier; use `set-specifier' to change it. | |
| 1405 | |
| 1406 See `default-gutter-height' for more information. | |
| 1407 */ ); | |
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1408 Vgutter_size[RIGHT_EDGE] = Fmake_specifier (Qgutter_size); |
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1409 set_specifier_caching (Vgutter_size[RIGHT_EDGE], |
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1410 offsetof (struct window, gutter_size[RIGHT_EDGE]), |
| 444 | 1411 gutter_geometry_changed_in_window, 0, 0, 1); |
| 428 | 1412 |
| 1413 fb = Qnil; | |
| 1414 #ifdef HAVE_TTY | |
| 1415 fb = Fcons (Fcons (list1 (Qtty), Qautodetect), fb); | |
| 1416 #endif | |
| 462 | 1417 #ifdef HAVE_GTK |
| 1418 fb = Fcons (Fcons (list1 (Qgtk), Qautodetect), fb); | |
| 1419 #endif | |
| 428 | 1420 #ifdef HAVE_X_WINDOWS |
| 1421 fb = Fcons (Fcons (list1 (Qx), Qautodetect), fb); | |
| 1422 #endif | |
| 1423 #ifdef HAVE_MS_WINDOWS | |
| 440 | 1424 fb = Fcons (Fcons (list1 (Qmsprinter), Qautodetect), fb); |
| 428 | 1425 fb = Fcons (Fcons (list1 (Qmswindows), Qautodetect), fb); |
| 1426 #endif | |
| 1427 if (!NILP (fb)) | |
| 1428 set_specifier_fallback (Vdefault_gutter_height, fb); | |
| 1429 | |
| 1430 fb = Qnil; | |
| 1431 #ifdef HAVE_TTY | |
| 444 | 1432 fb = Fcons (Fcons (list1 (Qtty), Qautodetect), fb); |
| 428 | 1433 #endif |
| 1434 #ifdef HAVE_X_WINDOWS | |
| 444 | 1435 fb = Fcons (Fcons (list1 (Qx), Qautodetect), fb); |
| 428 | 1436 #endif |
| 462 | 1437 #ifdef HAVE_GTK |
| 1438 fb = Fcons (Fcons (list1 (Qgtk), Qautodetect), fb); | |
| 1439 #endif | |
| 428 | 1440 #ifdef HAVE_MS_WINDOWS |
| 444 | 1441 fb = Fcons (Fcons (list1 (Qmsprinter), Qautodetect), fb); |
| 1442 fb = Fcons (Fcons (list1 (Qmswindows), Qautodetect), fb); | |
| 428 | 1443 #endif |
| 1444 if (!NILP (fb)) | |
| 1445 set_specifier_fallback (Vdefault_gutter_width, fb); | |
| 1446 | |
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1447 set_specifier_fallback (Vgutter_size[TOP_EDGE], Vdefault_gutter_height); |
| 428 | 1448 fb = list1 (Fcons (Qnil, Qzero)); |
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1449 set_specifier_fallback (Vgutter_size[BOTTOM_EDGE], fb); |
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1450 set_specifier_fallback (Vgutter_size[LEFT_EDGE], fb); |
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1451 set_specifier_fallback (Vgutter_size[RIGHT_EDGE], fb); |
| 428 | 1452 |
| 1453 DEFVAR_SPECIFIER ("default-gutter-border-width", | |
| 1454 &Vdefault_gutter_border_width /* | |
| 1455 *Width of the border around the default gutter. | |
| 1456 This is a specifier; use `set-specifier' to change it. | |
| 1457 | |
| 1458 The position of the default gutter is specified by the function | |
| 1459 `set-default-gutter-position'. If the corresponding position-specific | |
| 1460 gutter border width specifier (e.g. `top-gutter-border-width' if | |
| 3025 | 1461 `default-gutter-position' is `top') does not specify a border width in a |
| 428 | 1462 particular domain (a window or a frame), then the value of |
| 1463 `default-gutter-border-width' in that domain, if any, will be used | |
| 1464 instead. | |
| 1465 | |
| 1466 */ ); | |
| 1467 Vdefault_gutter_border_width = Fmake_specifier (Qnatnum); | |
| 1468 set_specifier_caching (Vdefault_gutter_border_width, | |
| 438 | 1469 offsetof (struct window, default_gutter_border_width), |
| 428 | 1470 default_gutter_border_width_changed_in_window, |
| 444 | 1471 0, 0, 0); |
| 428 | 1472 |
| 1473 DEFVAR_SPECIFIER ("top-gutter-border-width", | |
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1474 &Vgutter_border_width[TOP_EDGE] /* |
| 428 | 1475 *Border width of the top gutter. |
| 1476 This is a specifier; use `set-specifier' to change it. | |
| 1477 | |
| 1478 See `default-gutter-height' for more information. | |
| 1479 */ ); | |
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1480 Vgutter_border_width[TOP_EDGE] = Fmake_specifier (Qnatnum); |
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1481 set_specifier_caching (Vgutter_border_width[TOP_EDGE], |
| 438 | 1482 offsetof (struct window, |
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1483 gutter_border_width[TOP_EDGE]), |
| 444 | 1484 gutter_geometry_changed_in_window, 0, 0, 0); |
| 428 | 1485 |
| 1486 DEFVAR_SPECIFIER ("bottom-gutter-border-width", | |
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1487 &Vgutter_border_width[BOTTOM_EDGE] /* |
| 428 | 1488 *Border width of the bottom gutter. |
| 1489 This is a specifier; use `set-specifier' to change it. | |
| 1490 | |
| 1491 See `default-gutter-height' for more information. | |
| 1492 */ ); | |
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1493 Vgutter_border_width[BOTTOM_EDGE] = Fmake_specifier (Qnatnum); |
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1494 set_specifier_caching (Vgutter_border_width[BOTTOM_EDGE], |
| 438 | 1495 offsetof (struct window, |
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1496 gutter_border_width[BOTTOM_EDGE]), |
| 444 | 1497 gutter_geometry_changed_in_window, 0, 0, 0); |
| 428 | 1498 |
| 1499 DEFVAR_SPECIFIER ("left-gutter-border-width", | |
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1500 &Vgutter_border_width[LEFT_EDGE] /* |
| 428 | 1501 *Border width of left gutter. |
| 1502 This is a specifier; use `set-specifier' to change it. | |
| 1503 | |
| 1504 See `default-gutter-height' for more information. | |
| 1505 */ ); | |
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1506 Vgutter_border_width[LEFT_EDGE] = Fmake_specifier (Qnatnum); |
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1507 set_specifier_caching (Vgutter_border_width[LEFT_EDGE], |
| 438 | 1508 offsetof (struct window, |
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1509 gutter_border_width[LEFT_EDGE]), |
| 444 | 1510 gutter_geometry_changed_in_window, 0, 0, 0); |
| 428 | 1511 |
| 1512 DEFVAR_SPECIFIER ("right-gutter-border-width", | |
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1513 &Vgutter_border_width[RIGHT_EDGE] /* |
| 428 | 1514 *Border width of right gutter. |
| 1515 This is a specifier; use `set-specifier' to change it. | |
| 1516 | |
| 1517 See `default-gutter-height' for more information. | |
| 1518 */ ); | |
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1519 Vgutter_border_width[RIGHT_EDGE] = Fmake_specifier (Qnatnum); |
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1520 set_specifier_caching (Vgutter_border_width[RIGHT_EDGE], |
| 438 | 1521 offsetof (struct window, |
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1522 gutter_border_width[RIGHT_EDGE]), |
| 444 | 1523 gutter_geometry_changed_in_window, 0, 0, 0); |
| 428 | 1524 |
| 1525 fb = Qnil; | |
| 1526 #ifdef HAVE_TTY | |
| 1527 fb = Fcons (Fcons (list1 (Qtty), Qzero), fb); | |
| 1528 #endif | |
| 1529 #ifdef HAVE_X_WINDOWS | |
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1530 fb = Fcons (Fcons (list1 (Qx), make_fixnum (DEFAULT_GUTTER_BORDER_WIDTH)), fb); |
| 428 | 1531 #endif |
| 1532 #ifdef HAVE_MS_WINDOWS | |
| 440 | 1533 fb = Fcons (Fcons (list1 (Qmsprinter), Qzero), fb); |
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1534 fb = Fcons (Fcons (list1 (Qmswindows), make_fixnum (DEFAULT_GUTTER_BORDER_WIDTH)), fb); |
| 428 | 1535 #endif |
| 1536 if (!NILP (fb)) | |
| 1537 set_specifier_fallback (Vdefault_gutter_border_width, fb); | |
| 1538 | |
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1539 set_specifier_fallback (Vgutter_border_width[TOP_EDGE], Vdefault_gutter_border_width); |
| 428 | 1540 fb = list1 (Fcons (Qnil, Qzero)); |
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1541 set_specifier_fallback (Vgutter_border_width[BOTTOM_EDGE], fb); |
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1542 set_specifier_fallback (Vgutter_border_width[LEFT_EDGE], fb); |
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1543 set_specifier_fallback (Vgutter_border_width[RIGHT_EDGE], fb); |
| 428 | 1544 |
| 1545 DEFVAR_SPECIFIER ("default-gutter-visible-p", &Vdefault_gutter_visible_p /* | |
| 1546 *Whether the default gutter is visible. | |
| 1547 This is a specifier; use `set-specifier' to change it. | |
| 1548 | |
| 1549 The position of the default gutter is specified by the function | |
| 1550 `set-default-gutter-position'. If the corresponding position-specific | |
| 1551 gutter visibility specifier (e.g. `top-gutter-visible-p' if | |
| 3025 | 1552 `default-gutter-position' is `top') does not specify a visible-p value |
| 428 | 1553 in a particular domain (a window or a frame), then the value of |
| 1554 `default-gutter-visible-p' in that domain, if any, will be used | |
| 1555 instead. | |
| 1556 | |
| 1557 `default-gutter-visible-p' and all of the position-specific gutter | |
| 1558 visibility specifiers have a fallback value of true. | |
| 1559 */ ); | |
| 442 | 1560 Vdefault_gutter_visible_p = Fmake_specifier (Qgutter_visible); |
| 428 | 1561 set_specifier_caching (Vdefault_gutter_visible_p, |
| 438 | 1562 offsetof (struct window, |
| 1563 default_gutter_visible_p), | |
| 428 | 1564 default_gutter_visible_p_changed_in_window, |
| 444 | 1565 0, 0, 0); |
| 428 | 1566 |
| 1567 DEFVAR_SPECIFIER ("top-gutter-visible-p", | |
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1568 &Vgutter_visible_p[TOP_EDGE] /* |
| 428 | 1569 *Whether the top gutter is visible. |
| 1570 This is a specifier; use `set-specifier' to change it. | |
| 1571 | |
| 1572 See `default-gutter-visible-p' for more information. | |
| 1573 */ ); | |
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1574 Vgutter_visible_p[TOP_EDGE] = Fmake_specifier (Qgutter_visible); |
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1575 set_specifier_caching (Vgutter_visible_p[TOP_EDGE], |
| 438 | 1576 offsetof (struct window, |
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1577 gutter_visible_p[TOP_EDGE]), |
| 444 | 1578 top_gutter_specs_changed, 0, 0, 0); |
| 428 | 1579 |
| 1580 DEFVAR_SPECIFIER ("bottom-gutter-visible-p", | |
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1581 &Vgutter_visible_p[BOTTOM_EDGE] /* |
| 428 | 1582 *Whether the bottom gutter is visible. |
| 1583 This is a specifier; use `set-specifier' to change it. | |
| 1584 | |
| 1585 See `default-gutter-visible-p' for more information. | |
| 1586 */ ); | |
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1587 Vgutter_visible_p[BOTTOM_EDGE] = Fmake_specifier (Qgutter_visible); |
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1588 set_specifier_caching (Vgutter_visible_p[BOTTOM_EDGE], |
| 438 | 1589 offsetof (struct window, |
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1590 gutter_visible_p[BOTTOM_EDGE]), |
| 444 | 1591 bottom_gutter_specs_changed, 0, 0, 0); |
| 428 | 1592 |
| 1593 DEFVAR_SPECIFIER ("left-gutter-visible-p", | |
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1594 &Vgutter_visible_p[LEFT_EDGE] /* |
| 428 | 1595 *Whether the left gutter is visible. |
| 1596 This is a specifier; use `set-specifier' to change it. | |
| 1597 | |
| 1598 See `default-gutter-visible-p' for more information. | |
| 1599 */ ); | |
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1600 Vgutter_visible_p[LEFT_EDGE] = Fmake_specifier (Qgutter_visible); |
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1601 set_specifier_caching (Vgutter_visible_p[LEFT_EDGE], |
| 438 | 1602 offsetof (struct window, |
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1603 gutter_visible_p[LEFT_EDGE]), |
| 444 | 1604 left_gutter_specs_changed, 0, 0, 0); |
| 428 | 1605 |
| 1606 DEFVAR_SPECIFIER ("right-gutter-visible-p", | |
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1607 &Vgutter_visible_p[RIGHT_EDGE] /* |
| 428 | 1608 *Whether the right gutter is visible. |
| 1609 This is a specifier; use `set-specifier' to change it. | |
| 1610 | |
| 1611 See `default-gutter-visible-p' for more information. | |
| 1612 */ ); | |
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1613 Vgutter_visible_p[RIGHT_EDGE] = Fmake_specifier (Qgutter_visible); |
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1614 set_specifier_caching (Vgutter_visible_p[RIGHT_EDGE], |
| 438 | 1615 offsetof (struct window, |
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1616 gutter_visible_p[RIGHT_EDGE]), |
| 444 | 1617 right_gutter_specs_changed, 0, 0, 0); |
| 428 | 1618 |
| 1619 /* initially, top inherits from default; this can be | |
| 1620 changed with `set-default-gutter-position'. */ | |
| 1621 fb = list1 (Fcons (Qnil, Qt)); | |
| 1622 set_specifier_fallback (Vdefault_gutter_visible_p, fb); | |
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1623 set_specifier_fallback (Vgutter_visible_p[TOP_EDGE], |
| 428 | 1624 Vdefault_gutter_visible_p); |
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1625 set_specifier_fallback (Vgutter_visible_p[BOTTOM_EDGE], fb); |
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1626 set_specifier_fallback (Vgutter_visible_p[LEFT_EDGE], fb); |
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1627 set_specifier_fallback (Vgutter_visible_p[RIGHT_EDGE], fb); |
| 428 | 1628 } |