Mercurial > hg > xemacs-beta
annotate src/gutter.c @ 5273:799742b751c8
Accept circular lists where that is useful in #'mapcar*, #'map* and friends.
src/ChangeLog addition:
2010-09-16 Aidan Kehoe <kehoea@parhasard.net>
* fns.c (Flist_length): New, moved here from cl-extra.el, needed
by the next function.
(shortest_length_among_sequences): New.
(Fmapconcat, FmapcarX, Fmapvector, Fmapcan, Fmapc, Fmap)
(Fmap_into, Fsome, Fevery):
Use shortest_length_among_sequences() when working out how many
iterations to do, only giving circular list errors if all
arguments are circular.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Thu, 16 Sep 2010 20:34:49 +0100 |
| parents | 0ca81354c4c7 |
| children | 308d34e9f07d |
| 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 | |
| 7 XEmacs is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 9 Free Software Foundation; either version 2, or (at your option) any | |
| 10 later version. | |
| 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 | |
| 18 along with XEmacs; see the file COPYING. If not, write to | |
| 19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 Boston, MA 02111-1307, USA. */ | |
| 21 | |
| 22 /* Synched up with: Not in FSF. */ | |
| 23 | |
| 24 /* written by Andy Piper <andy@xemacs.org> with specifiers partially | |
| 25 ripped-off from toolbar.c */ | |
| 26 | |
| 27 #include <config.h> | |
| 28 #include "lisp.h" | |
| 29 | |
| 30 #include "buffer.h" | |
| 872 | 31 #include "frame-impl.h" |
| 32 #include "device-impl.h" | |
| 428 | 33 #include "faces.h" |
| 34 #include "glyphs.h" | |
| 35 #include "redisplay.h" | |
| 36 #include "window.h" | |
| 37 #include "gutter.h" | |
| 38 | |
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39 Lisp_Object Vgutter[NUM_EDGES]; |
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40 Lisp_Object Vgutter_size[NUM_EDGES]; |
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41 Lisp_Object Vgutter_visible_p[NUM_EDGES]; |
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42 Lisp_Object Vgutter_border_width[NUM_EDGES]; |
| 428 | 43 |
| 44 Lisp_Object Vdefault_gutter, Vdefault_gutter_visible_p; | |
| 45 Lisp_Object Vdefault_gutter_width, Vdefault_gutter_height; | |
| 46 Lisp_Object Vdefault_gutter_border_width; | |
| 47 | |
| 48 Lisp_Object Vdefault_gutter_position; | |
| 49 | |
| 50 Lisp_Object Qgutter_size; | |
| 442 | 51 Lisp_Object Qgutter_visible; |
| 52 Lisp_Object Qdefault_gutter_position_changed_hook; | |
| 53 | |
| 54 static void | |
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55 update_gutter_geometry (struct frame *f, enum edge_pos pos); |
| 428 | 56 |
| 442 | 57 #if 0 |
| 428 | 58 static Lisp_Object |
| 59 frame_topmost_window (struct frame *f) | |
| 60 { | |
| 61 Lisp_Object w = FRAME_ROOT_WINDOW (f); | |
| 62 | |
| 63 do { | |
| 64 while (!NILP (XWINDOW (w)->vchild)) | |
| 65 { | |
| 66 w = XWINDOW (w)->vchild; | |
| 67 } | |
| 68 } while (!NILP (XWINDOW (w)->hchild) && !NILP (w = XWINDOW (w)->hchild)); | |
| 69 | |
| 70 return w; | |
| 71 } | |
| 442 | 72 #endif |
| 428 | 73 |
| 74 static Lisp_Object | |
| 75 frame_bottommost_window (struct frame *f) | |
| 76 { | |
| 77 Lisp_Object w = FRAME_ROOT_WINDOW (f); | |
| 78 | |
| 79 do { | |
| 80 while (!NILP (XWINDOW (w)->vchild)) | |
| 81 { | |
| 82 w = XWINDOW (w)->vchild; | |
| 83 while (!NILP (XWINDOW (w)->next)) | |
| 84 { | |
| 85 w = XWINDOW (w)->next; | |
| 86 } | |
| 87 } | |
| 88 } while (!NILP (XWINDOW (w)->hchild) && !NILP (w = XWINDOW (w)->hchild)); | |
| 89 | |
| 90 return w; | |
| 91 } | |
| 92 | |
| 93 #if 0 | |
| 94 static Lisp_Object | |
| 95 frame_leftmost_window (struct frame *f) | |
| 96 { | |
| 97 Lisp_Object w = FRAME_ROOT_WINDOW (f); | |
| 98 | |
| 99 do { | |
| 100 while (!NILP (XWINDOW (w)->hchild)) | |
| 101 { | |
| 102 w = XWINDOW (w)->hchild; | |
| 103 } | |
| 104 } while (!NILP (XWINDOW (w)->vchild) && !NILP (w = XWINDOW (w)->vchild)); | |
| 105 | |
| 106 return w; | |
| 107 } | |
| 108 | |
| 109 static Lisp_Object | |
| 110 frame_rightmost_window (struct frame *f) | |
| 111 { | |
| 112 Lisp_Object w = FRAME_ROOT_WINDOW (f); | |
| 113 | |
| 114 do { | |
| 115 while (!NILP (XWINDOW (w)->hchild)) | |
| 116 { | |
| 117 w = XWINDOW (w)->hchild; | |
| 118 while (!NILP (XWINDOW (w)->next)) | |
| 119 { | |
| 120 w = XWINDOW (w)->next; | |
| 121 } | |
| 122 } | |
| 123 } while (!NILP (XWINDOW (w)->vchild) && !NILP (w = XWINDOW (w)->vchild)); | |
| 124 return w; | |
| 125 } | |
| 126 #endif | |
| 127 | |
| 128 /* calculate the coordinates of a gutter for the current frame and | |
| 129 selected window. we have to be careful in calculating this as we | |
| 130 need to use *two* windows, the currently selected window will give | |
| 131 us the actual height, width and contents of the gutter, but if we | |
| 132 use this for calculating the gutter positions we run into trouble | |
| 133 if it is not the window nearest the gutter. Instead we predetermine | |
| 134 the nearest window and then use that.*/ | |
| 135 static void | |
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136 get_gutter_coords (struct frame *f, enum edge_pos pos, int *x, int *y, |
| 428 | 137 int *width, int *height) |
| 138 { | |
| 5090 | 139 /* We use the bottommost window (not the minibuffer, but the bottommost |
| 140 non-minibuffer window) rather than any FRAME_BOTTOM_GUTTER_START | |
| 141 because the gutter goes *above* the minibuffer -- for this same reason, | |
| 142 FRAME_BOTTOM_GUTTER_START isn't currently defined. */ | |
| 143 struct window *bot = XWINDOW (frame_bottommost_window (f)); | |
| 428 | 144 /* The top and bottom gutters take precedence over the left and |
| 145 right. */ | |
| 146 switch (pos) | |
| 147 { | |
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148 case TOP_EDGE: |
| 5090 | 149 *x = FRAME_LEFT_GUTTER_START (f); |
| 150 *y = FRAME_TOP_GUTTER_START (f); | |
| 151 *width = FRAME_RIGHT_GUTTER_END (f) - *x; | |
| 428 | 152 *height = FRAME_TOP_GUTTER_BOUNDS (f); |
| 153 break; | |
| 154 | |
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155 case BOTTOM_EDGE: |
| 5090 | 156 *x = FRAME_LEFT_GUTTER_START (f); |
| 157 #ifdef BOTTOM_GUTTER_IS_OUTSIDE_MINIBUFFER | |
| 158 *y = FRAME_BOTTOM_GUTTER_START (f); | |
| 159 #else | |
| 442 | 160 *y = WINDOW_BOTTOM (bot); |
| 5090 | 161 #endif |
| 162 *width = FRAME_RIGHT_GUTTER_END (f) - *x; | |
| 428 | 163 *height = FRAME_BOTTOM_GUTTER_BOUNDS (f); |
| 164 break; | |
| 165 | |
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166 case LEFT_EDGE: |
| 5090 | 167 *x = FRAME_LEFT_GUTTER_START (f); |
| 168 *y = FRAME_TOP_GUTTER_END (f); | |
| 428 | 169 *width = FRAME_LEFT_GUTTER_BOUNDS (f); |
| 5090 | 170 *height = WINDOW_BOTTOM (bot) - *y; |
| 428 | 171 break; |
| 442 | 172 |
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173 case RIGHT_EDGE: |
| 5090 | 174 *x = FRAME_RIGHT_GUTTER_START (f); |
| 175 *y = FRAME_TOP_GUTTER_END (f); | |
| 428 | 176 *width = FRAME_RIGHT_GUTTER_BOUNDS (f); |
| 5090 | 177 *height = WINDOW_BOTTOM (bot) - *y; |
| 428 | 178 break; |
| 179 | |
| 180 default: | |
| 2500 | 181 ABORT (); |
| 428 | 182 } |
| 183 } | |
| 184 | |
| 446 | 185 /* |
| 186 display_boxes_in_gutter_p | |
| 187 | |
| 188 Determine whether the required display_glyph_area is completely | |
| 189 inside the gutter. -1 means the display_box is not in the gutter. 1 | |
| 190 means the display_box and the display_glyph_area are in the | |
| 191 window. 0 means the display_box is in the gutter but the | |
| 192 display_glyph_area is not. */ | |
| 193 int display_boxes_in_gutter_p (struct frame *f, struct display_box* db, | |
| 194 struct display_glyph_area* dga) | |
| 195 { | |
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196 enum edge_pos pos; |
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197 EDGE_POS_LOOP (pos) |
| 446 | 198 { |
| 199 if (FRAME_GUTTER_VISIBLE (f, pos)) | |
| 200 { | |
| 201 int x, y, width, height; | |
| 202 get_gutter_coords (f, pos, &x, &y, &width, &height); | |
| 203 if (db->xpos + dga->xoffset >= x | |
| 204 && | |
| 205 db->ypos + dga->yoffset >= y | |
| 206 && | |
| 207 db->xpos + dga->xoffset + dga->width <= x + width | |
| 208 && | |
| 209 db->ypos + dga->yoffset + dga->height <= y + height) | |
| 210 return 1; | |
| 211 else if (db->xpos >= x && db->ypos >= y | |
| 212 && db->xpos + db->width <= x + width | |
| 213 && db->ypos + db->height <= y + height) | |
| 214 return 0; | |
| 215 } | |
| 216 } | |
| 217 return -1; | |
| 218 } | |
| 219 | |
| 442 | 220 /* Convert the gutter specifier into something we can actually |
| 221 display. */ | |
| 222 static Lisp_Object construct_window_gutter_spec (struct window* w, | |
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223 enum edge_pos pos) |
| 442 | 224 { |
| 225 Lisp_Object rest, *args; | |
| 226 int nargs = 0; | |
| 227 Lisp_Object gutter = RAW_WINDOW_GUTTER (w, pos); | |
| 228 | |
| 229 if (STRINGP (gutter) || NILP (gutter)) | |
| 230 return gutter; | |
| 231 | |
| 232 GET_LIST_LENGTH (gutter, nargs); | |
| 233 args = alloca_array (Lisp_Object, nargs >> 1); | |
| 234 nargs = 0; | |
| 235 | |
| 236 for (rest = gutter; !NILP (rest); rest = XCDR (XCDR (rest))) | |
| 237 { | |
| 238 /* We only put things in the real gutter that are declared to be | |
| 4186 | 239 visible. */ |
| 442 | 240 if (!CONSP (WINDOW_GUTTER_VISIBLE (w, pos)) |
| 241 || | |
| 242 !NILP (Fmemq (XCAR (rest), WINDOW_GUTTER_VISIBLE (w, pos)))) | |
| 243 { | |
| 244 args [nargs++] = XCAR (XCDR (rest)); | |
| 245 } | |
| 246 } | |
| 247 | |
| 248 return Fconcat (nargs, args); | |
| 249 } | |
| 250 | |
| 444 | 251 /* Sizing gutters is a pain so we try and help the user by determining |
| 252 what height will accommodate all lines. This is useless on left and | |
| 253 right gutters as we always have a maximal number of lines. */ | |
| 254 static int | |
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255 calculate_gutter_size_from_display_lines (enum edge_pos pos, |
| 444 | 256 display_line_dynarr* ddla) |
| 257 { | |
| 258 int size = 0; | |
| 259 struct display_line *dl; | |
| 260 | |
| 261 /* For top and bottom the calculation is easy. */ | |
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262 if (pos == TOP_EDGE || pos == BOTTOM_EDGE) |
| 444 | 263 { |
| 264 /* grab coordinates of last line */ | |
| 265 if (Dynarr_length (ddla)) | |
| 266 { | |
| 267 dl = Dynarr_atp (ddla, Dynarr_length (ddla) - 1); | |
| 4186 | 268 size = (dl->ypos + dl->descent - dl->clip) |
| 4967 | 269 - (Dynarr_begin (ddla)->ypos - Dynarr_begin (ddla)->ascent); |
| 444 | 270 } |
| 271 } | |
| 272 /* For left and right we have to do some maths. */ | |
| 273 else | |
| 274 { | |
| 275 int start_pos = 0, end_pos = 0, line; | |
| 276 for (line = 0; line < Dynarr_length (ddla); line++) | |
| 277 { | |
| 278 int block; | |
| 279 dl = Dynarr_atp (ddla, line); | |
| 280 | |
| 281 for (block = 0; block < Dynarr_largest (dl->display_blocks); block++) | |
| 282 { | |
| 283 struct display_block *db = Dynarr_atp (dl->display_blocks, block); | |
| 284 | |
| 285 if (db->type == TEXT) | |
| 286 { | |
| 287 start_pos = min (db->start_pos, start_pos); | |
| 288 end_pos = max (db->end_pos, end_pos); | |
| 289 } | |
| 290 } | |
| 291 } | |
| 292 size = end_pos - start_pos; | |
| 293 } | |
| 294 | |
| 295 return size; | |
| 296 } | |
| 297 | |
| 298 static Lisp_Object | |
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299 calculate_gutter_size (struct window *w, enum edge_pos pos) |
| 444 | 300 { |
| 301 struct frame* f = XFRAME (WINDOW_FRAME (w)); | |
| 1318 | 302 display_line_dynarr *ddla; |
| 444 | 303 Lisp_Object ret = Qnil; |
| 304 | |
| 1318 | 305 /* Callers need to handle this. */ |
| 306 assert (!in_display); | |
| 444 | 307 /* degenerate case */ |
| 308 if (NILP (RAW_WINDOW_GUTTER (w, pos)) | |
| 309 || | |
| 310 !FRAME_VISIBLE_P (f) | |
| 311 || | |
| 312 NILP (w->buffer)) | |
| 313 return Qnil; | |
| 314 | |
| 1318 | 315 if (!in_display) |
| 316 { | |
| 317 int count; | |
| 318 | |
| 319 /* We are calling directly into redisplay from the outside, so turn on | |
| 320 critical section protection. */ | |
| 321 count = enter_redisplay_critical_section (); | |
| 444 | 322 |
| 1318 | 323 ddla = Dynarr_new (display_line); |
| 324 /* generate some display lines */ | |
| 325 generate_displayable_area (w, WINDOW_GUTTER (w, pos), | |
| 5090 | 326 FRAME_LEFT_GUTTER_START (f), |
| 327 FRAME_TOP_GUTTER_START (f), | |
| 328 FRAME_RIGHT_GUTTER_END (f) | |
| 329 - FRAME_LEFT_GUTTER_START (f), | |
| 330 #ifdef BOTTOM_GUTTER_IS_OUTSIDE_MINIBUFFER | |
| 331 FRAME_BOTTOM_GUTTER_END (f) | |
| 332 #else | |
| 333 /* #### GEOM! This is how it used to read, | |
| 334 and this includes both gutter and | |
| 335 minibuffer below it. Not clear whether | |
| 336 it was intended that way. --ben */ | |
| 337 FRAME_BOTTOM_INTERNAL_BORDER_START (f) | |
| 338 #endif | |
| 339 - FRAME_TOP_GUTTER_START (f), | |
| 4186 | 340 ddla, 0, DEFAULT_INDEX); |
| 444 | 341 |
| 1318 | 342 /* Let GC happen again. */ |
| 343 exit_redisplay_critical_section (count); | |
| 444 | 344 |
| 1318 | 345 ret = make_int (calculate_gutter_size_from_display_lines (pos, ddla)); |
| 346 free_display_lines (ddla); | |
| 347 } | |
| 444 | 348 |
| 349 return ret; | |
| 350 } | |
| 351 | |
| 428 | 352 static void |
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353 output_gutter (struct frame *f, enum edge_pos pos, int force) |
| 428 | 354 { |
| 355 Lisp_Object window = FRAME_LAST_NONMINIBUF_WINDOW (f); | |
| 356 struct device *d = XDEVICE (f->device); | |
| 357 struct window* w = XWINDOW (window); | |
| 358 int x, y, width, height, ypos; | |
| 440 | 359 int line, border_width; |
| 360 face_index findex; | |
| 428 | 361 display_line_dynarr* ddla, *cdla; |
| 442 | 362 struct display_line *dl = 0; |
| 428 | 363 int cdla_len; |
| 364 | |
| 440 | 365 if (!WINDOW_LIVE_P (w)) |
| 366 return; | |
| 367 | |
| 368 border_width = FRAME_GUTTER_BORDER_WIDTH (f, pos); | |
| 442 | 369 findex = get_builtin_face_cache_index (w, Vwidget_face); |
| 440 | 370 |
| 442 | 371 if (!f->current_display_lines[pos]) |
| 372 f->current_display_lines[pos] = Dynarr_new (display_line); | |
| 373 if (!f->desired_display_lines[pos]) | |
| 374 f->desired_display_lines[pos] = Dynarr_new (display_line); | |
| 428 | 375 |
| 442 | 376 ddla = f->desired_display_lines[pos]; |
| 377 cdla = f->current_display_lines[pos]; | |
| 428 | 378 cdla_len = Dynarr_length (cdla); |
| 379 | |
| 380 get_gutter_coords (f, pos, &x, &y, &width, &height); | |
| 381 /* generate some display lines */ | |
| 382 generate_displayable_area (w, WINDOW_GUTTER (w, pos), | |
| 383 x + border_width, y + border_width, | |
| 442 | 384 width - 2 * border_width, |
| 428 | 385 height - 2 * border_width, ddla, 0, findex); |
| 442 | 386 |
| 387 /* We only output the gutter if we think something of significance | |
| 388 has changed. This is, for example, because redisplay can cause | |
| 389 new face cache elements to get added causing compare_runes to | |
| 390 fail because the findex for a particular face has changed. */ | |
| 391 if (force || f->faces_changed || f->frame_changed || | |
| 392 f->gutter_changed || f->glyphs_changed || | |
| 393 f->size_changed || f->subwindows_changed || | |
| 394 w->windows_changed || f->windows_structure_changed || | |
| 395 cdla_len != Dynarr_length (ddla) || | |
| 396 (f->extents_changed && w->gutter_extent_modiff[pos])) | |
| 428 | 397 { |
| 442 | 398 #ifdef DEBUG_GUTTERS |
| 4186 | 399 stderr_out ("gutter redisplay [%s %dx%d@%d+%d] triggered by %s,\n", |
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400 pos == TOP_EDGE ? "TOP" : |
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401 pos == BOTTOM_EDGE ? "BOTTOM" : |
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402 pos == LEFT_EDGE ? "LEFT" : "RIGHT", |
| 446 | 403 width, height, x, y, force ? "force" : |
| 442 | 404 f->faces_changed ? "f->faces_changed" : |
| 405 f->frame_changed ? "f->frame_changed" : | |
| 406 f->gutter_changed ? "f->gutter_changed" : | |
| 407 f->glyphs_changed ? "f->glyphs_changed" : | |
| 408 f->size_changed ? "f->size_changed" : | |
| 409 f->subwindows_changed ? "f->subwindows_changed" : | |
| 410 w->windows_changed ? "w->windows_changed" : | |
| 411 f->windows_structure_changed ? "f->windows_structure_changed" : | |
| 412 cdla_len != Dynarr_length (ddla) ? "different display structures" : | |
| 413 f->extents_changed && w->gutter_extent_modiff[pos] ? | |
| 414 "f->extents_changed && w->gutter_extent_modiff[pos]" : "<null>"); | |
| 415 #endif | |
| 416 /* Output each line. */ | |
| 417 for (line = 0; line < Dynarr_length (ddla); line++) | |
| 418 { | |
| 419 output_display_line (w, cdla, ddla, line, -1, -1); | |
| 420 } | |
| 421 | |
| 422 /* If the number of display lines has shrunk, adjust. */ | |
| 423 if (cdla_len > Dynarr_length (ddla)) | |
| 424 { | |
| 5038 | 425 Dynarr_set_lengthr (cdla, Dynarr_length (ddla)); |
| 442 | 426 } |
| 427 | |
| 428 /* grab coordinates of last line and blank after it. */ | |
| 429 if (Dynarr_length (ddla) > 0) | |
| 430 { | |
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431 dl = Dynarr_lastp (ddla); |
| 442 | 432 ypos = dl->ypos + dl->descent - dl->clip; |
| 433 } | |
| 434 else | |
| 435 ypos = y; | |
| 428 | 436 |
| 442 | 437 redisplay_clear_region (window, findex, x + border_width , ypos, |
| 438 width - 2 * border_width, height - (ypos - y) - border_width); | |
| 439 /* If, for some reason, we have more to display than we have | |
| 4186 | 440 room for, and we are allowed to resize the gutter, then make |
| 441 sure this happens before the next time we try and | |
| 442 output. This can happen when face font sizes change. */ | |
| 443 if (dl && EQ (w->gutter_size[pos], Qautodetect) | |
| 444 | 444 && (dl->clip > 0 || |
| 4186 | 445 calculate_gutter_size_from_display_lines (pos, ddla) > |
| 444 | 446 WINDOW_GUTTER_SIZE_INTERNAL (w, pos))) |
| 442 | 447 { |
| 448 /* #### Ideally we would just mark the specifier as dirty | |
| 449 and everything else would "just work". Unfortunately we have | |
| 450 two problems with this. One is that the specifier cache | |
| 451 won't be recalculated unless the specifier code thinks the | |
| 452 cached value has actually changed, even though we have | |
| 453 marked the specifier as dirty. Additionally, although doing | |
| 454 this results in a gutter size change, we never seem to get | |
| 455 back into redisplay so that the frame size can be updated. I | |
| 456 think this is because we are already in redisplay and later | |
| 457 on the frame will be marked as clean. Thus we also have to | |
| 458 force a pending recalculation of the frame size. */ | |
| 459 w->gutter_size[pos] = Qnil; | |
| 460 Fset_specifier_dirty_flag (Vgutter_size[pos]); | |
| 461 update_gutter_geometry (f, pos); | |
| 462 } | |
| 463 | |
| 464 /* bevel the gutter area if so desired */ | |
| 465 if (border_width != 0) | |
| 466 { | |
| 467 MAYBE_DEVMETH (d, bevel_area, | |
| 468 (w, findex, x, y, width, height, border_width, | |
| 469 EDGE_ALL, EDGE_BEVEL_OUT)); | |
| 470 } | |
| 471 } | |
| 472 else | |
| 428 | 473 { |
| 442 | 474 /* Nothing of significance happened so sync the display line |
| 4186 | 475 structs. */ |
| 442 | 476 for (line = 0; line < Dynarr_length (ddla); line++) |
| 477 { | |
| 478 sync_display_line_structs (w, line, 1, cdla, ddla); | |
| 479 } | |
| 428 | 480 } |
| 481 | |
| 442 | 482 w->gutter_extent_modiff [pos] = 0; |
| 428 | 483 } |
| 484 | |
| 485 static void | |
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486 clear_gutter (struct frame *f, enum edge_pos pos) |
| 428 | 487 { |
| 488 int x, y, width, height; | |
| 489 Lisp_Object window = FRAME_LAST_NONMINIBUF_WINDOW (f); | |
| 490 face_index findex = get_builtin_face_cache_index (XWINDOW (window), | |
| 442 | 491 Vwidget_face); |
| 428 | 492 get_gutter_coords (f, pos, &x, &y, &width, &height); |
| 493 | |
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494 f->gutter_was_visible[pos] = 0; |
| 428 | 495 |
| 496 redisplay_clear_region (window, findex, x, y, width, height); | |
| 497 } | |
| 498 | |
| 617 | 499 /* [[#### I don't currently believe that redisplay needs to mark the |
| 442 | 500 glyphs in its structures since these will always be referenced from |
| 501 somewhere else. However, I'm not sure enough to stake my life on it | |
| 617 | 502 at this point, so we do the safe thing.]] |
| 503 | |
| 504 ALWAYS mark everything. --ben */ | |
| 442 | 505 |
| 506 /* See the comment in image_instantiate_cache_result as to why marking | |
| 507 the glyph will also mark the image_instance. */ | |
| 508 void | |
| 617 | 509 mark_gutters (struct frame *f) |
| 442 | 510 { |
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511 enum edge_pos pos; |
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512 EDGE_POS_LOOP (pos) |
| 442 | 513 { |
| 514 if (f->current_display_lines[pos]) | |
| 515 mark_redisplay_structs (f->current_display_lines[pos]); | |
| 617 | 516 /* [[#### Do we really need to mark the desired lines?]] |
| 4186 | 517 ALWAYS mark everything. --ben */ |
| 442 | 518 if (f->desired_display_lines[pos]) |
| 519 mark_redisplay_structs (f->desired_display_lines[pos]); | |
| 520 } | |
| 521 } | |
| 522 | |
| 523 /* This is called by extent_changed_for_redisplay, so that redisplay | |
| 524 knows exactly what extents have changed. */ | |
| 525 void | |
| 526 gutter_extent_signal_changed_region_maybe (Lisp_Object obj, | |
| 2286 | 527 Charbpos UNUSED (start), |
| 528 Charbpos UNUSED (end)) | |
| 442 | 529 { |
| 530 /* #### Start and end are currently ignored but could be used by a | |
| 531 more optimal gutter redisplay. We currently loop over all frames | |
| 532 here, this could be optimized. */ | |
| 533 Lisp_Object frmcons, devcons, concons; | |
| 534 | |
| 535 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons) | |
| 536 { | |
| 537 struct frame *f = XFRAME (XCAR (frmcons)); | |
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538 enum edge_pos pos; |
| 442 | 539 Lisp_Object window = FRAME_LAST_NONMINIBUF_WINDOW (f); |
| 540 struct window* w = XWINDOW (window); | |
| 541 | |
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542 EDGE_POS_LOOP (pos) |
| 442 | 543 { |
| 544 if (EQ (WINDOW_GUTTER (w, pos), obj)) | |
| 545 { | |
| 546 w->gutter_extent_modiff[pos]++; | |
| 547 } | |
| 548 } | |
| 549 } | |
| 550 } | |
| 551 | |
| 552 /* We have to change the gutter geometry separately to the gutter | |
| 553 update since it needs to occur outside of redisplay proper. */ | |
| 554 static void | |
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555 update_gutter_geometry (struct frame *f, enum edge_pos pos) |
| 442 | 556 { |
| 557 /* If the gutter geometry has changed then re-layout the | |
| 558 frame. If we are in display there is almost no point in doing | |
| 559 anything else since the frame size changes will be delayed | |
| 560 until we are out of redisplay proper. */ | |
| 561 if (FRAME_GUTTER_BOUNDS (f, pos) != f->current_gutter_bounds[pos]) | |
| 562 { | |
| 563 int width, height; | |
| 5043 | 564 pixel_to_frame_unit_size (f, FRAME_PIXWIDTH (f), FRAME_PIXHEIGHT (f), |
| 442 | 565 &width, &height); |
| 5043 | 566 change_frame_size (f, width, height, 0); |
| 905 | 567 MARK_FRAME_LAYOUT_CHANGED (f); |
| 442 | 568 } |
| 569 | |
| 570 /* Mark sizes as up-to-date. */ | |
| 571 f->current_gutter_bounds[pos] = FRAME_GUTTER_BOUNDS (f, pos); | |
| 572 } | |
| 573 | |
| 574 void | |
| 575 update_frame_gutter_geometry (struct frame *f) | |
| 576 { | |
| 4186 | 577 if (f->gutter_changed |
| 578 || f->frame_layout_changed | |
| 905 | 579 || f->windows_structure_changed) |
| 442 | 580 { |
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581 enum edge_pos pos; |
| 442 | 582 |
| 583 /* If the gutter geometry has changed then re-layout the | |
| 4186 | 584 frame. If we are in display there is almost no point in doing |
| 585 anything else since the frame size changes will be delayed | |
| 586 until we are out of redisplay proper. */ | |
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587 EDGE_POS_LOOP (pos) |
| 442 | 588 { |
| 589 update_gutter_geometry (f, pos); | |
| 590 } | |
| 591 } | |
| 592 } | |
| 593 | |
| 428 | 594 void |
| 595 update_frame_gutters (struct frame *f) | |
| 596 { | |
| 442 | 597 if (f->faces_changed || f->frame_changed || |
| 598 f->gutter_changed || f->glyphs_changed || | |
| 599 f->size_changed || f->subwindows_changed || | |
| 600 f->windows_changed || f->windows_structure_changed || | |
| 905 | 601 f->extents_changed || f->frame_layout_changed) |
| 428 | 602 { |
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603 enum edge_pos pos; |
| 442 | 604 |
| 428 | 605 /* We don't actually care about these when outputting the gutter |
| 4186 | 606 so locally disable them. */ |
| 428 | 607 int local_clip_changed = f->clip_changed; |
| 608 int local_buffers_changed = f->buffers_changed; | |
| 609 f->clip_changed = 0; | |
| 610 f->buffers_changed = 0; | |
| 611 | |
| 612 /* and output */ | |
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613 EDGE_POS_LOOP (pos) |
| 428 | 614 { |
| 615 if (FRAME_GUTTER_VISIBLE (f, pos)) | |
| 442 | 616 output_gutter (f, pos, 0); |
| 617 | |
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618 else if (f->gutter_was_visible[pos]) |
| 442 | 619 clear_gutter (f, pos); |
| 428 | 620 } |
| 442 | 621 |
| 428 | 622 f->clip_changed = local_clip_changed; |
| 623 f->buffers_changed = local_buffers_changed; | |
| 624 f->gutter_changed = 0; | |
| 625 } | |
| 626 } | |
| 627 | |
| 628 void | |
| 629 reset_gutter_display_lines (struct frame* f) | |
| 630 { | |
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631 enum edge_pos pos; |
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632 EDGE_POS_LOOP (pos) |
| 442 | 633 { |
| 634 if (f->current_display_lines[pos]) | |
| 635 Dynarr_reset (f->current_display_lines[pos]); | |
| 636 } | |
| 428 | 637 } |
| 638 | |
| 639 static void | |
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640 redraw_exposed_gutter (struct frame *f, enum edge_pos pos, int x, int y, |
| 428 | 641 int width, int height) |
| 642 { | |
| 643 int g_x, g_y, g_width, g_height; | |
| 644 | |
| 645 get_gutter_coords (f, pos, &g_x, &g_y, &g_width, &g_height); | |
| 646 | |
| 647 if (((y + height) < g_y) || (y > (g_y + g_height)) || !height || !width || !g_height || !g_width) | |
| 648 return; | |
| 649 if (((x + width) < g_x) || (x > (g_x + g_width))) | |
| 650 return; | |
| 651 | |
| 442 | 652 #ifdef DEBUG_WIDGETS |
| 639 | 653 stderr_out ("redrawing gutter after expose %d+%d, %dx%d\n", |
| 442 | 654 x, y, width, height); |
| 655 #endif | |
| 428 | 656 /* #### optimize this - redrawing the whole gutter for every expose |
| 657 is very expensive. We reset the current display lines because if | |
| 658 they're being exposed they are no longer current. */ | |
| 659 reset_gutter_display_lines (f); | |
| 660 | |
| 661 /* Even if none of the gutter is in the area, the blank region at | |
| 662 the very least must be because the first thing we did is verify | |
| 663 that some portion of the gutter is in the exposed region. */ | |
| 442 | 664 output_gutter (f, pos, 1); |
| 428 | 665 } |
| 666 | |
| 667 void | |
| 668 redraw_exposed_gutters (struct frame *f, int x, int y, int width, | |
| 669 int height) | |
| 670 { | |
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671 enum edge_pos pos; |
| 442 | 672 |
| 1318 | 673 /* We are already inside the critical section -- our caller did that. */ |
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674 EDGE_POS_LOOP (pos) |
| 428 | 675 { |
| 676 if (FRAME_GUTTER_VISIBLE (f, pos)) | |
| 677 redraw_exposed_gutter (f, pos, x, y, width, height); | |
| 678 } | |
| 679 } | |
| 680 | |
| 681 void | |
| 682 free_frame_gutters (struct frame *f) | |
| 683 { | |
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684 enum edge_pos pos; |
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685 EDGE_POS_LOOP (pos) |
| 428 | 686 { |
| 442 | 687 if (f->current_display_lines[pos]) |
| 688 { | |
| 689 free_display_lines (f->current_display_lines[pos]); | |
| 690 f->current_display_lines[pos] = 0; | |
| 691 } | |
| 692 if (f->desired_display_lines[pos]) | |
| 693 { | |
| 694 free_display_lines (f->desired_display_lines[pos]); | |
| 695 f->desired_display_lines[pos] = 0; | |
| 696 } | |
| 428 | 697 } |
| 698 } | |
| 699 | |
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700 static enum edge_pos |
| 428 | 701 decode_gutter_position (Lisp_Object position) |
| 702 { | |
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703 if (EQ (position, Qtop)) return TOP_EDGE; |
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704 if (EQ (position, Qbottom)) return BOTTOM_EDGE; |
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705 if (EQ (position, Qleft)) return LEFT_EDGE; |
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706 if (EQ (position, Qright)) return RIGHT_EDGE; |
| 563 | 707 invalid_constant ("Invalid gutter position", position); |
| 428 | 708 |
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709 RETURN_NOT_REACHED (TOP_EDGE); |
| 428 | 710 } |
| 711 | |
| 712 DEFUN ("set-default-gutter-position", Fset_default_gutter_position, 1, 1, 0, /* | |
| 713 Set the position that the `default-gutter' will be displayed at. | |
| 3025 | 714 Valid positions are `top', `bottom', `left' and `right'. |
| 428 | 715 See `default-gutter-position'. |
| 716 */ | |
| 717 (position)) | |
| 718 { | |
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719 enum edge_pos cur = decode_gutter_position (Vdefault_gutter_position); |
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720 enum edge_pos new_ = decode_gutter_position (position); |
| 428 | 721 |
| 3025 | 722 if (cur != new_) |
| 428 | 723 { |
| 724 /* The following calls will automatically cause the dirty | |
| 725 flags to be set; we delay frame size changes to avoid | |
| 726 lots of frame flickering. */ | |
| 727 /* #### I think this should be GC protected. -sb */ | |
| 1318 | 728 int depth = begin_hold_frame_size_changes (); |
| 729 | |
| 428 | 730 set_specifier_fallback (Vgutter[cur], list1 (Fcons (Qnil, Qnil))); |
| 3025 | 731 set_specifier_fallback (Vgutter[new_], Vdefault_gutter); |
| 428 | 732 set_specifier_fallback (Vgutter_size[cur], list1 (Fcons (Qnil, Qzero))); |
| 3025 | 733 set_specifier_fallback (Vgutter_size[new_], |
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734 new_ == TOP_EDGE || new_ == BOTTOM_EDGE |
| 428 | 735 ? Vdefault_gutter_height |
| 736 : Vdefault_gutter_width); | |
| 737 set_specifier_fallback (Vgutter_border_width[cur], | |
| 738 list1 (Fcons (Qnil, Qzero))); | |
| 3025 | 739 set_specifier_fallback (Vgutter_border_width[new_], |
| 428 | 740 Vdefault_gutter_border_width); |
| 444 | 741 set_specifier_fallback (Vgutter_visible_p[cur], list1 (Fcons (Qnil, Qt))); |
| 3025 | 742 set_specifier_fallback (Vgutter_visible_p[new_], Vdefault_gutter_visible_p); |
| 1318 | 743 Vdefault_gutter_position = position; |
| 442 | 744 |
| 1318 | 745 unbind_to (depth); |
| 428 | 746 } |
| 747 | |
| 442 | 748 run_hook (Qdefault_gutter_position_changed_hook); |
| 749 | |
| 428 | 750 return position; |
| 751 } | |
| 752 | |
| 753 DEFUN ("default-gutter-position", Fdefault_gutter_position, 0, 0, 0, /* | |
| 754 Return the position that the `default-gutter' will be displayed at. | |
| 755 The `default-gutter' will only be displayed here if the corresponding | |
| 756 position-specific gutter specifier does not provide a value. | |
| 757 */ | |
| 758 ()) | |
| 759 { | |
| 760 return Vdefault_gutter_position; | |
| 761 } | |
| 762 | |
| 763 DEFUN ("gutter-pixel-width", Fgutter_pixel_width, 0, 2, 0, /* | |
| 764 Return the pixel width of the gutter at POS in LOCALE. | |
| 765 POS defaults to the default gutter position. LOCALE defaults to | |
| 766 the current window. | |
| 767 */ | |
| 768 (pos, locale)) | |
| 769 { | |
| 770 int x, y, width, height; | |
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771 enum edge_pos p = TOP_EDGE; |
| 428 | 772 struct frame *f = decode_frame (FW_FRAME (locale)); |
| 773 | |
| 774 if (NILP (pos)) | |
| 775 pos = Vdefault_gutter_position; | |
| 776 p = decode_gutter_position (pos); | |
| 777 | |
| 778 get_gutter_coords (f, p, &x, &y, &width, &height); | |
| 779 width -= (FRAME_GUTTER_BORDER_WIDTH (f, p) * 2); | |
| 780 | |
| 781 return make_int (width); | |
| 782 } | |
| 783 | |
| 784 DEFUN ("gutter-pixel-height", Fgutter_pixel_height, 0, 2, 0, /* | |
| 785 Return the pixel height of the gutter at POS in LOCALE. | |
| 786 POS defaults to the default gutter position. LOCALE defaults to | |
| 787 the current window. | |
| 788 */ | |
| 789 (pos, locale)) | |
| 790 { | |
| 791 int x, y, width, height; | |
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792 enum edge_pos p = TOP_EDGE; |
| 428 | 793 struct frame *f = decode_frame (FW_FRAME (locale)); |
| 794 | |
| 795 if (NILP (pos)) | |
| 796 pos = Vdefault_gutter_position; | |
| 797 p = decode_gutter_position (pos); | |
| 798 | |
| 799 get_gutter_coords (f, p, &x, &y, &width, &height); | |
| 800 height -= (FRAME_GUTTER_BORDER_WIDTH (f, p) * 2); | |
| 801 | |
| 802 return make_int (height); | |
| 803 } | |
| 804 | |
| 805 DEFINE_SPECIFIER_TYPE (gutter); | |
| 806 | |
| 807 static void | |
| 2286 | 808 gutter_after_change (Lisp_Object UNUSED (specifier), |
| 809 Lisp_Object UNUSED (locale)) | |
| 428 | 810 { |
| 811 MARK_GUTTER_CHANGED; | |
| 812 } | |
| 813 | |
| 814 static void | |
| 815 gutter_validate (Lisp_Object instantiator) | |
| 816 { | |
| 817 if (NILP (instantiator)) | |
| 818 return; | |
| 819 | |
| 442 | 820 /* Must be a string or a plist. */ |
| 821 if (!STRINGP (instantiator) && NILP (Fvalid_plist_p (instantiator))) | |
| 563 | 822 sferror ("Gutter spec must be string, plist or nil", instantiator); |
| 442 | 823 |
| 428 | 824 if (!STRINGP (instantiator)) |
| 442 | 825 { |
| 826 Lisp_Object rest; | |
| 827 | |
| 828 for (rest = instantiator; !NILP (rest); rest = XCDR (XCDR (rest))) | |
| 829 { | |
| 830 if (!SYMBOLP (XCAR (rest)) | |
| 831 || !STRINGP (XCAR (XCDR (rest)))) | |
| 563 | 832 sferror ("Gutter plist spec must contain strings", instantiator); |
| 442 | 833 } |
| 834 } | |
| 428 | 835 } |
| 836 | |
| 837 DEFUN ("gutter-specifier-p", Fgutter_specifier_p, 1, 1, 0, /* | |
| 838 Return non-nil if OBJECT is a gutter specifier. | |
| 839 | |
| 442 | 840 See `make-gutter-specifier' for a description of possible gutter |
| 841 instantiators. | |
| 428 | 842 */ |
| 843 (object)) | |
| 844 { | |
| 845 return GUTTER_SPECIFIERP (object) ? Qt : Qnil; | |
| 846 } | |
| 847 | |
| 848 | |
| 849 /* | |
| 850 Helper for invalidating the real specifier when default | |
| 851 specifier caching changes | |
| 852 */ | |
| 853 static void | |
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854 recompute_overlaying_specifier (Lisp_Object real_one[NUM_EDGES]) |
| 428 | 855 { |
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856 enum edge_pos pos = decode_gutter_position (Vdefault_gutter_position); |
| 428 | 857 Fset_specifier_dirty_flag (real_one[pos]); |
| 858 } | |
| 859 | |
| 1318 | 860 static void gutter_specs_changed (Lisp_Object specifier, struct window *w, |
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861 Lisp_Object oldval, enum edge_pos pos); |
| 1318 | 862 |
| 863 static void | |
| 864 gutter_specs_changed_1 (Lisp_Object arg) | |
| 865 { | |
| 866 gutter_specs_changed (X1ST (arg), XWINDOW (X2ND (arg)), | |
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867 X3RD (arg), (enum edge_pos) XINT (X4TH (arg))); |
| 1318 | 868 free_list (arg); |
| 869 } | |
| 870 | |
| 428 | 871 static void |
| 872 gutter_specs_changed (Lisp_Object specifier, struct window *w, | |
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873 Lisp_Object oldval, enum edge_pos pos) |
| 428 | 874 { |
| 1318 | 875 if (in_display) |
| 876 register_post_redisplay_action (gutter_specs_changed_1, | |
| 877 list4 (specifier, wrap_window (w), | |
| 878 oldval, make_int (pos))); | |
| 879 else | |
| 880 { | |
| 881 w->real_gutter[pos] = construct_window_gutter_spec (w, pos); | |
| 882 w->real_gutter_size[pos] = w->gutter_size[pos]; | |
| 442 | 883 |
| 1318 | 884 if (EQ (w->real_gutter_size[pos], Qautodetect) |
| 885 && !NILP (w->gutter_visible_p[pos])) | |
| 886 { | |
| 887 w->real_gutter_size [pos] = calculate_gutter_size (w, pos); | |
| 888 } | |
| 889 MARK_GUTTER_CHANGED; | |
| 890 MARK_MODELINE_CHANGED; | |
| 891 MARK_WINDOWS_CHANGED (w); | |
| 428 | 892 } |
| 893 } | |
| 894 | |
| 442 | 895 /* We define all of these so we can access which actual gutter changed. */ |
| 896 static void | |
| 897 top_gutter_specs_changed (Lisp_Object specifier, struct window *w, | |
| 898 Lisp_Object oldval) | |
| 899 { | |
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900 gutter_specs_changed (specifier, w, oldval, TOP_EDGE); |
| 442 | 901 } |
| 902 | |
| 903 static void | |
| 904 bottom_gutter_specs_changed (Lisp_Object specifier, struct window *w, | |
| 905 Lisp_Object oldval) | |
| 906 { | |
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907 gutter_specs_changed (specifier, w, oldval, BOTTOM_EDGE); |
| 442 | 908 } |
| 909 | |
| 910 static void | |
| 911 left_gutter_specs_changed (Lisp_Object specifier, struct window *w, | |
| 912 Lisp_Object oldval) | |
| 913 { | |
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914 gutter_specs_changed (specifier, w, oldval, LEFT_EDGE); |
| 442 | 915 } |
| 916 | |
| 917 static void | |
| 918 right_gutter_specs_changed (Lisp_Object specifier, struct window *w, | |
| 919 Lisp_Object oldval) | |
| 920 { | |
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921 gutter_specs_changed (specifier, w, oldval, RIGHT_EDGE); |
| 442 | 922 } |
| 923 | |
| 428 | 924 static void |
| 2286 | 925 default_gutter_specs_changed (Lisp_Object UNUSED (specifier), |
| 926 struct window *UNUSED (w), | |
| 927 Lisp_Object UNUSED (oldval)) | |
| 428 | 928 { |
| 929 recompute_overlaying_specifier (Vgutter); | |
| 930 } | |
| 931 | |
| 1318 | 932 static void gutter_geometry_changed_in_window (Lisp_Object specifier, |
| 933 struct window *w, | |
| 934 Lisp_Object oldval); | |
| 935 | |
| 936 static void | |
| 937 gutter_geometry_changed_in_window_1 (Lisp_Object arg) | |
| 938 { | |
| 939 gutter_geometry_changed_in_window (X1ST (arg), XWINDOW (X2ND (arg)), | |
| 940 X3RD (arg)); | |
| 941 free_list (arg); | |
| 942 } | |
| 943 | |
| 428 | 944 static void |
| 945 gutter_geometry_changed_in_window (Lisp_Object specifier, struct window *w, | |
| 946 Lisp_Object oldval) | |
| 947 { | |
| 1318 | 948 if (in_display) |
| 949 register_post_redisplay_action (gutter_geometry_changed_in_window_1, | |
| 950 list3 (specifier, wrap_window (w), | |
| 951 oldval)); | |
| 952 else | |
| 428 | 953 { |
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954 enum edge_pos pos; |
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955 EDGE_POS_LOOP (pos) |
| 428 | 956 { |
| 1318 | 957 w->real_gutter_size[pos] = w->gutter_size[pos]; |
| 958 if (EQ (w->real_gutter_size[pos], Qautodetect) | |
| 959 && !NILP (w->gutter_visible_p[pos])) | |
| 960 { | |
| 961 w->real_gutter_size [pos] = calculate_gutter_size (w, pos); | |
| 962 } | |
| 428 | 963 } |
| 442 | 964 |
| 1318 | 965 MARK_GUTTER_CHANGED; |
| 966 MARK_MODELINE_CHANGED; | |
| 967 MARK_WINDOWS_CHANGED (w); | |
| 968 } | |
| 428 | 969 } |
| 970 | |
| 971 static void | |
| 2286 | 972 default_gutter_size_changed_in_window (Lisp_Object UNUSED (specifier), |
| 973 struct window *UNUSED (w), | |
| 974 Lisp_Object UNUSED (oldval)) | |
| 428 | 975 { |
| 976 recompute_overlaying_specifier (Vgutter_size); | |
| 977 } | |
| 978 | |
| 979 static void | |
| 2286 | 980 default_gutter_border_width_changed_in_window (Lisp_Object UNUSED (specifier), |
| 981 struct window *UNUSED (w), | |
| 982 Lisp_Object UNUSED (oldval)) | |
| 428 | 983 { |
| 984 recompute_overlaying_specifier (Vgutter_border_width); | |
| 985 } | |
| 986 | |
| 987 static void | |
| 2286 | 988 default_gutter_visible_p_changed_in_window (Lisp_Object UNUSED (specifier), |
| 989 struct window *UNUSED (w), | |
| 990 Lisp_Object UNUSED (oldval)) | |
| 428 | 991 { |
| 992 recompute_overlaying_specifier (Vgutter_visible_p); | |
| 442 | 993 /* Need to reconstruct the gutter specifier as it is affected by the |
| 994 visibility. */ | |
| 995 recompute_overlaying_specifier (Vgutter); | |
| 428 | 996 } |
| 997 | |
| 998 | |
| 999 DECLARE_SPECIFIER_TYPE (gutter_size); | |
| 1000 #define GUTTER_SIZE_SPECIFIERP(x) SPECIFIER_TYPEP (x, gutter_size) | |
| 1001 DEFINE_SPECIFIER_TYPE (gutter_size); | |
| 1002 | |
| 1003 static void | |
| 1004 gutter_size_validate (Lisp_Object instantiator) | |
| 1005 { | |
| 1006 if (NILP (instantiator)) | |
| 1007 return; | |
| 1008 | |
| 1009 if (!INTP (instantiator) && !EQ (instantiator, Qautodetect)) | |
| 3025 | 1010 invalid_argument ("Gutter size must be an integer or `autodetect'", instantiator); |
| 428 | 1011 } |
| 1012 | |
| 1013 DEFUN ("gutter-size-specifier-p", Fgutter_size_specifier_p, 1, 1, 0, /* | |
| 1014 Return non-nil if OBJECT is a gutter-size specifier. | |
| 442 | 1015 |
| 1016 See `make-gutter-size-specifier' for a description of possible gutter-size | |
| 1017 instantiators. | |
| 428 | 1018 */ |
| 1019 (object)) | |
| 1020 { | |
| 1021 return GUTTER_SIZE_SPECIFIERP (object) ? Qt : Qnil; | |
| 1022 } | |
| 1023 | |
| 442 | 1024 DECLARE_SPECIFIER_TYPE (gutter_visible); |
| 1025 #define GUTTER_VISIBLE_SPECIFIERP(x) SPECIFIER_TYPEP (x, gutter_visible) | |
| 1026 DEFINE_SPECIFIER_TYPE (gutter_visible); | |
| 1027 | |
| 1028 static void | |
| 1029 gutter_visible_validate (Lisp_Object instantiator) | |
| 1030 { | |
| 1031 if (NILP (instantiator)) | |
| 1032 return; | |
| 1033 | |
| 1034 if (!NILP (instantiator) && !EQ (instantiator, Qt) && !CONSP (instantiator)) | |
| 563 | 1035 invalid_argument ("Gutter visibility must be a boolean or list of symbols", |
| 442 | 1036 instantiator); |
| 1037 | |
| 1038 if (CONSP (instantiator)) | |
| 1039 { | |
| 2367 | 1040 EXTERNAL_LIST_LOOP_2 (elt, instantiator) |
| 442 | 1041 { |
| 2367 | 1042 if (!SYMBOLP (elt)) |
| 563 | 1043 invalid_argument ("Gutter visibility must be a boolean or list of symbols", |
| 442 | 1044 instantiator); |
| 1045 } | |
| 1046 } | |
| 1047 } | |
| 1048 | |
| 1049 DEFUN ("gutter-visible-specifier-p", Fgutter_visible_specifier_p, 1, 1, 0, /* | |
| 1050 Return non-nil if OBJECT is a gutter-visible specifier. | |
| 1051 | |
| 1052 See `make-gutter-visible-specifier' for a description of possible | |
| 1053 gutter-visible instantiators. | |
| 1054 */ | |
| 1055 (object)) | |
| 1056 { | |
| 1057 return GUTTER_VISIBLE_SPECIFIERP (object) ? Qt : Qnil; | |
| 1058 } | |
| 1059 | |
| 428 | 1060 DEFUN ("redisplay-gutter-area", Fredisplay_gutter_area, 0, 0, 0, /* |
| 1061 Ensure that all gutters are correctly showing their gutter specifier. | |
| 1062 */ | |
| 1063 ()) | |
| 1064 { | |
| 1065 Lisp_Object devcons, concons; | |
| 1066 | |
| 1318 | 1067 /* Can't reentrantly enter redisplay */ |
| 1068 if (in_display) | |
| 1069 return Qnil; | |
| 1070 | |
| 428 | 1071 DEVICE_LOOP_NO_BREAK (devcons, concons) |
| 1072 { | |
| 1073 struct device *d = XDEVICE (XCAR (devcons)); | |
| 1074 Lisp_Object frmcons; | |
| 1075 | |
| 1076 DEVICE_FRAME_LOOP (frmcons, d) | |
| 1077 { | |
| 1078 struct frame *f = XFRAME (XCAR (frmcons)); | |
| 1079 | |
| 442 | 1080 MAYBE_DEVMETH (d, frame_output_begin, (f)); |
| 1081 | |
| 1082 /* Sequence is quite important here. We not only want to | |
| 1083 redisplay the gutter area but we also want to flush any | |
| 1084 frame size changes out so that the gutter redisplay happens | |
| 1085 in a kosha environment. | |
| 1086 | |
| 1087 This is not only so that things look right but so that | |
| 1088 glyph redisplay optimization kicks in, by default display | |
| 1089 lines will be completely re-output if | |
| 1090 f->windows_structure_changed is 1, and this is true if | |
| 1091 frame size changes haven't been flushed out. Once frame | |
| 1092 size changes have been flushed out we then need to | |
| 1093 redisplay the frame in order to flush out pending window | |
| 1094 size changes. */ | |
| 1095 update_frame_gutter_geometry (f); | |
| 428 | 1096 |
| 442 | 1097 if (f->windows_structure_changed) |
| 1098 redisplay_frame (f, 1); | |
| 1099 else if (FRAME_REPAINT_P (f)) | |
| 1100 { | |
| 853 | 1101 int depth; |
| 1102 | |
| 442 | 1103 /* We have to be "in display" when we output the gutter |
| 4186 | 1104 - make it so. */ |
| 853 | 1105 depth = enter_redisplay_critical_section (); |
| 442 | 1106 update_frame_gutters (f); |
| 853 | 1107 exit_redisplay_critical_section (depth); |
| 442 | 1108 } |
| 1109 | |
| 1110 MAYBE_DEVMETH (d, frame_output_end, (f)); | |
| 1111 } | |
| 1112 | |
| 1113 d->gutter_changed = 0; | |
| 428 | 1114 } |
| 1115 | |
| 442 | 1116 /* This is so that further changes to the gutters will trigger redisplay. */ |
| 1117 gutter_changed_set = 0; | |
| 1118 gutter_changed = 0; | |
| 1119 | |
| 428 | 1120 return Qnil; |
| 1121 } | |
| 1122 | |
| 1123 void | |
| 1124 init_frame_gutters (struct frame *f) | |
| 1125 { | |
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1126 enum edge_pos pos; |
| 428 | 1127 struct window* w = XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)); |
| 1128 /* We are here as far in frame creation so cached specifiers are | |
| 1129 already recomputed, and possibly modified by resource | |
| 1130 initialization. We need to recalculate autodetected gutters. */ | |
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1131 EDGE_POS_LOOP (pos) |
| 428 | 1132 { |
| 442 | 1133 w->real_gutter[pos] = construct_window_gutter_spec (w, pos); |
| 428 | 1134 w->real_gutter_size[pos] = w->gutter_size[pos]; |
| 1135 if (EQ (w->gutter_size[pos], Qautodetect) | |
| 1136 && !NILP (w->gutter_visible_p[pos])) | |
| 1137 { | |
| 1138 w->real_gutter_size [pos] = calculate_gutter_size (w, pos); | |
| 1139 MARK_GUTTER_CHANGED; | |
| 1140 MARK_WINDOWS_CHANGED (w); | |
| 1141 } | |
| 1142 } | |
| 442 | 1143 |
| 1144 /* Keep a record of the current sizes of things. */ | |
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1145 EDGE_POS_LOOP (pos) |
| 442 | 1146 { |
| 1147 f->current_gutter_bounds[pos] = FRAME_GUTTER_BOUNDS (f, pos); | |
| 1148 } | |
| 428 | 1149 } |
| 1150 | |
| 1151 void | |
| 1152 syms_of_gutter (void) | |
| 1153 { | |
| 1154 DEFSUBR (Fgutter_specifier_p); | |
| 1155 DEFSUBR (Fgutter_size_specifier_p); | |
| 442 | 1156 DEFSUBR (Fgutter_visible_specifier_p); |
| 428 | 1157 DEFSUBR (Fset_default_gutter_position); |
| 1158 DEFSUBR (Fdefault_gutter_position); | |
| 1159 DEFSUBR (Fgutter_pixel_height); | |
| 1160 DEFSUBR (Fgutter_pixel_width); | |
| 1161 DEFSUBR (Fredisplay_gutter_area); | |
| 1162 | |
| 563 | 1163 DEFSYMBOL (Qgutter_size); |
| 1164 DEFSYMBOL (Qgutter_visible); | |
| 1165 DEFSYMBOL (Qdefault_gutter_position_changed_hook); | |
| 428 | 1166 } |
| 1167 | |
| 1168 void | |
| 1169 vars_of_gutter (void) | |
| 1170 { | |
| 1171 staticpro (&Vdefault_gutter_position); | |
| 1172 Vdefault_gutter_position = Qtop; | |
| 1173 | |
| 1174 Fprovide (Qgutter); | |
| 1175 } | |
| 1176 | |
| 1177 void | |
| 1178 specifier_type_create_gutter (void) | |
| 1179 { | |
| 1180 INITIALIZE_SPECIFIER_TYPE (gutter, "gutter", "gutter-specifier-p"); | |
| 1181 SPECIFIER_HAS_METHOD (gutter, validate); | |
| 1182 SPECIFIER_HAS_METHOD (gutter, after_change); | |
| 1183 | |
| 1184 INITIALIZE_SPECIFIER_TYPE (gutter_size, "gutter-size", "gutter-size-specifier-p"); | |
| 442 | 1185 SPECIFIER_HAS_METHOD (gutter_size, validate); |
| 428 | 1186 |
| 442 | 1187 INITIALIZE_SPECIFIER_TYPE (gutter_visible, "gutter-visible", "gutter-visible-specifier-p"); |
| 1188 SPECIFIER_HAS_METHOD (gutter_visible, validate); | |
| 428 | 1189 } |
| 1190 | |
| 1191 void | |
| 1192 reinit_specifier_type_create_gutter (void) | |
| 1193 { | |
| 1194 REINITIALIZE_SPECIFIER_TYPE (gutter); | |
| 1195 REINITIALIZE_SPECIFIER_TYPE (gutter_size); | |
| 442 | 1196 REINITIALIZE_SPECIFIER_TYPE (gutter_visible); |
| 428 | 1197 } |
| 1198 | |
| 1199 void | |
| 1200 specifier_vars_of_gutter (void) | |
| 1201 { | |
| 1202 Lisp_Object fb; | |
| 1203 | |
| 1204 DEFVAR_SPECIFIER ("default-gutter", &Vdefault_gutter /* | |
| 1205 Specifier for a fallback gutter. | |
| 1206 Use `set-specifier' to change this. | |
| 1207 | |
| 1208 The position of this gutter is specified in the function | |
| 1209 `default-gutter-position'. If the corresponding position-specific | |
| 3025 | 1210 gutter (e.g. `top-gutter' if `default-gutter-position' is `top') |
| 428 | 1211 does not specify a gutter in a particular domain (usually a window), |
| 1212 then the value of `default-gutter' in that domain, if any, will be | |
| 1213 used instead. | |
| 1214 | |
| 1215 Note that the gutter at any particular position will not be | |
| 1216 displayed unless its visibility flag is true and its thickness | |
| 1217 \(width or height, depending on orientation) is non-zero. The | |
| 1218 visibility is controlled by the specifiers `top-gutter-visible-p', | |
| 1219 `bottom-gutter-visible-p', `left-gutter-visible-p', and | |
| 1220 `right-gutter-visible-p', and the thickness is controlled by the | |
| 1221 specifiers `top-gutter-height', `bottom-gutter-height', | |
| 1222 `left-gutter-width', and `right-gutter-width'. | |
| 1223 | |
| 1224 Note that one of the four visibility specifiers inherits from | |
| 1225 `default-gutter-visibility' and one of the four thickness | |
| 1226 specifiers inherits from either `default-gutter-width' or | |
| 1227 `default-gutter-height' (depending on orientation), just | |
| 1228 like for the gutter description specifiers (e.g. `top-gutter') | |
| 1229 mentioned above. | |
| 1230 | |
| 1231 Therefore, if you are setting `default-gutter', you should control | |
| 1232 the visibility and thickness using `default-gutter-visible-p', | |
| 1233 `default-gutter-width', and `default-gutter-height', rather than | |
| 1234 using position-specific specifiers. That way, you will get sane | |
| 1235 behavior if the user changes the default gutter position. | |
| 1236 | |
| 442 | 1237 The gutter value should be a string, a property list of strings or |
| 1238 nil. You can attach extents and glyphs to the string and hence display | |
| 1239 glyphs and text in other fonts in the gutter area. If the gutter value | |
| 1240 is a property list then the strings will be concatenated together | |
| 1241 before being displayed. */ ); | |
| 428 | 1242 |
| 1243 Vdefault_gutter = Fmake_specifier (Qgutter); | |
| 1244 /* #### It would be even nicer if the specifier caching | |
| 1245 automatically knew about specifier fallbacks, so we didn't | |
| 1246 have to do it ourselves. */ | |
| 1247 set_specifier_caching (Vdefault_gutter, | |
| 438 | 1248 offsetof (struct window, default_gutter), |
| 428 | 1249 default_gutter_specs_changed, |
| 444 | 1250 0, 0, 1); |
| 428 | 1251 |
| 1252 DEFVAR_SPECIFIER ("top-gutter", | |
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1253 &Vgutter[TOP_EDGE] /* |
| 428 | 1254 Specifier for the gutter at the top of the frame. |
| 1255 Use `set-specifier' to change this. | |
| 1256 See `default-gutter' for a description of a valid gutter instantiator. | |
| 1257 */ ); | |
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1258 Vgutter[TOP_EDGE] = Fmake_specifier (Qgutter); |
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1259 set_specifier_caching (Vgutter[TOP_EDGE], |
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1260 offsetof (struct window, gutter[TOP_EDGE]), |
| 442 | 1261 top_gutter_specs_changed, |
| 444 | 1262 0, 0, 1); |
| 428 | 1263 |
| 1264 DEFVAR_SPECIFIER ("bottom-gutter", | |
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1265 &Vgutter[BOTTOM_EDGE] /* |
| 428 | 1266 Specifier for the gutter at the bottom of the frame. |
| 1267 Use `set-specifier' to change this. | |
| 1268 See `default-gutter' for a description of a valid gutter instantiator. | |
| 1269 | |
| 1270 Note that, unless the `default-gutter-position' is `bottom', by | |
| 1271 default the height of the bottom gutter (controlled by | |
| 1272 `bottom-gutter-height') is 0; thus, a bottom gutter will not be | |
| 1273 displayed even if you provide a value for `bottom-gutter'. | |
| 1274 */ ); | |
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1275 Vgutter[BOTTOM_EDGE] = Fmake_specifier (Qgutter); |
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1276 set_specifier_caching (Vgutter[BOTTOM_EDGE], |
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1277 offsetof (struct window, gutter[BOTTOM_EDGE]), |
| 442 | 1278 bottom_gutter_specs_changed, |
| 444 | 1279 0, 0, 1); |
| 428 | 1280 |
| 1281 DEFVAR_SPECIFIER ("left-gutter", | |
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1282 &Vgutter[LEFT_EDGE] /* |
| 428 | 1283 Specifier for the gutter at the left edge of the frame. |
| 1284 Use `set-specifier' to change this. | |
| 1285 See `default-gutter' for a description of a valid gutter instantiator. | |
| 1286 | |
| 1287 Note that, unless the `default-gutter-position' is `left', by | |
| 1288 default the height of the left gutter (controlled by | |
| 1289 `left-gutter-width') is 0; thus, a left gutter will not be | |
| 1290 displayed even if you provide a value for `left-gutter'. | |
| 1291 */ ); | |
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1292 Vgutter[LEFT_EDGE] = Fmake_specifier (Qgutter); |
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1293 set_specifier_caching (Vgutter[LEFT_EDGE], |
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1294 offsetof (struct window, gutter[LEFT_EDGE]), |
| 442 | 1295 left_gutter_specs_changed, |
| 444 | 1296 0, 0, 1); |
| 428 | 1297 |
| 1298 DEFVAR_SPECIFIER ("right-gutter", | |
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1299 &Vgutter[RIGHT_EDGE] /* |
| 428 | 1300 Specifier for the gutter at the right edge of the frame. |
| 1301 Use `set-specifier' to change this. | |
| 1302 See `default-gutter' for a description of a valid gutter instantiator. | |
| 1303 | |
| 1304 Note that, unless the `default-gutter-position' is `right', by | |
| 1305 default the height of the right gutter (controlled by | |
| 1306 `right-gutter-width') is 0; thus, a right gutter will not be | |
| 1307 displayed even if you provide a value for `right-gutter'. | |
| 1308 */ ); | |
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1309 Vgutter[RIGHT_EDGE] = Fmake_specifier (Qgutter); |
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1310 set_specifier_caching (Vgutter[RIGHT_EDGE], |
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1311 offsetof (struct window, gutter[RIGHT_EDGE]), |
| 442 | 1312 right_gutter_specs_changed, |
| 444 | 1313 0, 0, 1); |
| 428 | 1314 |
| 1315 /* initially, top inherits from default; this can be | |
| 1316 changed with `set-default-gutter-position'. */ | |
| 1317 fb = list1 (Fcons (Qnil, Qnil)); | |
| 1318 set_specifier_fallback (Vdefault_gutter, fb); | |
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1319 set_specifier_fallback (Vgutter[TOP_EDGE], Vdefault_gutter); |
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1320 set_specifier_fallback (Vgutter[BOTTOM_EDGE], fb); |
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1321 set_specifier_fallback (Vgutter[LEFT_EDGE], fb); |
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1322 set_specifier_fallback (Vgutter[RIGHT_EDGE], fb); |
| 428 | 1323 |
| 1324 DEFVAR_SPECIFIER ("default-gutter-height", &Vdefault_gutter_height /* | |
| 1325 *Height of the default gutter, if it's oriented horizontally. | |
| 1326 This is a specifier; use `set-specifier' to change it. | |
| 1327 | |
| 1328 The position of the default gutter is specified by the function | |
| 1329 `set-default-gutter-position'. If the corresponding position-specific | |
| 1330 gutter thickness specifier (e.g. `top-gutter-height' if | |
| 3025 | 1331 `default-gutter-position' is `top') does not specify a thickness in a |
| 428 | 1332 particular domain (a window or a frame), then the value of |
| 1333 `default-gutter-height' or `default-gutter-width' (depending on the | |
| 1334 gutter orientation) in that domain, if any, will be used instead. | |
| 1335 | |
| 1336 Note that `default-gutter-height' is only used when | |
| 3025 | 1337 `default-gutter-position' is `top' or `bottom', and `default-gutter-width' |
| 1338 is only used when `default-gutter-position' is `left' or `right'. | |
| 428 | 1339 |
| 1340 Note that all of the position-specific gutter thickness specifiers | |
| 1341 have a fallback value of zero when they do not correspond to the | |
| 1342 default gutter. Therefore, you will have to set a non-zero thickness | |
| 1343 value if you want a position-specific gutter to be displayed. | |
| 1344 | |
| 3025 | 1345 If you set the height to `autodetect' the size of the gutter will be |
| 428 | 1346 calculated to be large enough to hold the contents of the gutter. This |
| 1347 is the default. | |
| 1348 */ ); | |
| 1349 Vdefault_gutter_height = Fmake_specifier (Qgutter_size); | |
| 1350 set_specifier_caching (Vdefault_gutter_height, | |
| 438 | 1351 offsetof (struct window, default_gutter_height), |
| 428 | 1352 default_gutter_size_changed_in_window, |
| 444 | 1353 0, 0, 1); |
| 428 | 1354 |
| 1355 DEFVAR_SPECIFIER ("default-gutter-width", &Vdefault_gutter_width /* | |
| 1356 *Width of the default gutter, if it's oriented vertically. | |
| 1357 This is a specifier; use `set-specifier' to change it. | |
| 1358 | |
| 1359 See `default-gutter-height' for more information. | |
| 1360 */ ); | |
| 444 | 1361 Vdefault_gutter_width = Fmake_specifier (Qgutter_size); |
| 428 | 1362 set_specifier_caching (Vdefault_gutter_width, |
| 438 | 1363 offsetof (struct window, default_gutter_width), |
| 428 | 1364 default_gutter_size_changed_in_window, |
| 444 | 1365 0, 0, 1); |
| 428 | 1366 |
| 1367 DEFVAR_SPECIFIER ("top-gutter-height", | |
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1368 &Vgutter_size[TOP_EDGE] /* |
| 428 | 1369 *Height of the top gutter. |
| 1370 This is a specifier; use `set-specifier' to change it. | |
| 1371 | |
| 1372 See `default-gutter-height' for more information. | |
| 1373 */ ); | |
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1374 Vgutter_size[TOP_EDGE] = Fmake_specifier (Qgutter_size); |
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1375 set_specifier_caching (Vgutter_size[TOP_EDGE], |
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1376 offsetof (struct window, gutter_size[TOP_EDGE]), |
| 444 | 1377 gutter_geometry_changed_in_window, 0, 0, 1); |
| 428 | 1378 |
| 1379 DEFVAR_SPECIFIER ("bottom-gutter-height", | |
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1380 &Vgutter_size[BOTTOM_EDGE] /* |
| 428 | 1381 *Height of the bottom gutter. |
| 1382 This is a specifier; use `set-specifier' to change it. | |
| 1383 | |
| 1384 See `default-gutter-height' for more information. | |
| 1385 */ ); | |
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1386 Vgutter_size[BOTTOM_EDGE] = Fmake_specifier (Qgutter_size); |
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1387 set_specifier_caching (Vgutter_size[BOTTOM_EDGE], |
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1388 offsetof (struct window, gutter_size[BOTTOM_EDGE]), |
| 444 | 1389 gutter_geometry_changed_in_window, 0, 0, 1); |
| 428 | 1390 |
| 1391 DEFVAR_SPECIFIER ("left-gutter-width", | |
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1392 &Vgutter_size[LEFT_EDGE] /* |
| 428 | 1393 *Width of left gutter. |
| 1394 This is a specifier; use `set-specifier' to change it. | |
| 1395 | |
| 1396 See `default-gutter-height' for more information. | |
| 1397 */ ); | |
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1398 Vgutter_size[LEFT_EDGE] = Fmake_specifier (Qgutter_size); |
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1399 set_specifier_caching (Vgutter_size[LEFT_EDGE], |
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1400 offsetof (struct window, gutter_size[LEFT_EDGE]), |
| 444 | 1401 gutter_geometry_changed_in_window, 0, 0, 1); |
| 428 | 1402 |
| 1403 DEFVAR_SPECIFIER ("right-gutter-width", | |
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1404 &Vgutter_size[RIGHT_EDGE] /* |
| 428 | 1405 *Width of right gutter. |
| 1406 This is a specifier; use `set-specifier' to change it. | |
| 1407 | |
| 1408 See `default-gutter-height' for more information. | |
| 1409 */ ); | |
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1410 Vgutter_size[RIGHT_EDGE] = Fmake_specifier (Qgutter_size); |
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1411 set_specifier_caching (Vgutter_size[RIGHT_EDGE], |
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1412 offsetof (struct window, gutter_size[RIGHT_EDGE]), |
| 444 | 1413 gutter_geometry_changed_in_window, 0, 0, 1); |
| 428 | 1414 |
| 1415 fb = Qnil; | |
| 1416 #ifdef HAVE_TTY | |
| 1417 fb = Fcons (Fcons (list1 (Qtty), Qautodetect), fb); | |
| 1418 #endif | |
| 462 | 1419 #ifdef HAVE_GTK |
| 1420 fb = Fcons (Fcons (list1 (Qgtk), Qautodetect), fb); | |
| 1421 #endif | |
| 428 | 1422 #ifdef HAVE_X_WINDOWS |
| 1423 fb = Fcons (Fcons (list1 (Qx), Qautodetect), fb); | |
| 1424 #endif | |
| 1425 #ifdef HAVE_MS_WINDOWS | |
| 440 | 1426 fb = Fcons (Fcons (list1 (Qmsprinter), Qautodetect), fb); |
| 428 | 1427 fb = Fcons (Fcons (list1 (Qmswindows), Qautodetect), fb); |
| 1428 #endif | |
| 1429 if (!NILP (fb)) | |
| 1430 set_specifier_fallback (Vdefault_gutter_height, fb); | |
| 1431 | |
| 1432 fb = Qnil; | |
| 1433 #ifdef HAVE_TTY | |
| 444 | 1434 fb = Fcons (Fcons (list1 (Qtty), Qautodetect), fb); |
| 428 | 1435 #endif |
| 1436 #ifdef HAVE_X_WINDOWS | |
| 444 | 1437 fb = Fcons (Fcons (list1 (Qx), Qautodetect), fb); |
| 428 | 1438 #endif |
| 462 | 1439 #ifdef HAVE_GTK |
| 1440 fb = Fcons (Fcons (list1 (Qgtk), Qautodetect), fb); | |
| 1441 #endif | |
| 428 | 1442 #ifdef HAVE_MS_WINDOWS |
| 444 | 1443 fb = Fcons (Fcons (list1 (Qmsprinter), Qautodetect), fb); |
| 1444 fb = Fcons (Fcons (list1 (Qmswindows), Qautodetect), fb); | |
| 428 | 1445 #endif |
| 1446 if (!NILP (fb)) | |
| 1447 set_specifier_fallback (Vdefault_gutter_width, fb); | |
| 1448 | |
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1449 set_specifier_fallback (Vgutter_size[TOP_EDGE], Vdefault_gutter_height); |
| 428 | 1450 fb = list1 (Fcons (Qnil, Qzero)); |
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1451 set_specifier_fallback (Vgutter_size[BOTTOM_EDGE], fb); |
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1452 set_specifier_fallback (Vgutter_size[LEFT_EDGE], fb); |
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1453 set_specifier_fallback (Vgutter_size[RIGHT_EDGE], fb); |
| 428 | 1454 |
| 1455 DEFVAR_SPECIFIER ("default-gutter-border-width", | |
| 1456 &Vdefault_gutter_border_width /* | |
| 1457 *Width of the border around the default gutter. | |
| 1458 This is a specifier; use `set-specifier' to change it. | |
| 1459 | |
| 1460 The position of the default gutter is specified by the function | |
| 1461 `set-default-gutter-position'. If the corresponding position-specific | |
| 1462 gutter border width specifier (e.g. `top-gutter-border-width' if | |
| 3025 | 1463 `default-gutter-position' is `top') does not specify a border width in a |
| 428 | 1464 particular domain (a window or a frame), then the value of |
| 1465 `default-gutter-border-width' in that domain, if any, will be used | |
| 1466 instead. | |
| 1467 | |
| 1468 */ ); | |
| 1469 Vdefault_gutter_border_width = Fmake_specifier (Qnatnum); | |
| 1470 set_specifier_caching (Vdefault_gutter_border_width, | |
| 438 | 1471 offsetof (struct window, default_gutter_border_width), |
| 428 | 1472 default_gutter_border_width_changed_in_window, |
| 444 | 1473 0, 0, 0); |
| 428 | 1474 |
| 1475 DEFVAR_SPECIFIER ("top-gutter-border-width", | |
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1476 &Vgutter_border_width[TOP_EDGE] /* |
| 428 | 1477 *Border width of the top gutter. |
| 1478 This is a specifier; use `set-specifier' to change it. | |
| 1479 | |
| 1480 See `default-gutter-height' for more information. | |
| 1481 */ ); | |
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1482 Vgutter_border_width[TOP_EDGE] = Fmake_specifier (Qnatnum); |
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1483 set_specifier_caching (Vgutter_border_width[TOP_EDGE], |
| 438 | 1484 offsetof (struct window, |
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1485 gutter_border_width[TOP_EDGE]), |
| 444 | 1486 gutter_geometry_changed_in_window, 0, 0, 0); |
| 428 | 1487 |
| 1488 DEFVAR_SPECIFIER ("bottom-gutter-border-width", | |
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1489 &Vgutter_border_width[BOTTOM_EDGE] /* |
| 428 | 1490 *Border width of the bottom gutter. |
| 1491 This is a specifier; use `set-specifier' to change it. | |
| 1492 | |
| 1493 See `default-gutter-height' for more information. | |
| 1494 */ ); | |
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1495 Vgutter_border_width[BOTTOM_EDGE] = Fmake_specifier (Qnatnum); |
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1496 set_specifier_caching (Vgutter_border_width[BOTTOM_EDGE], |
| 438 | 1497 offsetof (struct window, |
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1498 gutter_border_width[BOTTOM_EDGE]), |
| 444 | 1499 gutter_geometry_changed_in_window, 0, 0, 0); |
| 428 | 1500 |
| 1501 DEFVAR_SPECIFIER ("left-gutter-border-width", | |
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1502 &Vgutter_border_width[LEFT_EDGE] /* |
| 428 | 1503 *Border width of left gutter. |
| 1504 This is a specifier; use `set-specifier' to change it. | |
| 1505 | |
| 1506 See `default-gutter-height' for more information. | |
| 1507 */ ); | |
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1508 Vgutter_border_width[LEFT_EDGE] = Fmake_specifier (Qnatnum); |
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1509 set_specifier_caching (Vgutter_border_width[LEFT_EDGE], |
| 438 | 1510 offsetof (struct window, |
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1511 gutter_border_width[LEFT_EDGE]), |
| 444 | 1512 gutter_geometry_changed_in_window, 0, 0, 0); |
| 428 | 1513 |
| 1514 DEFVAR_SPECIFIER ("right-gutter-border-width", | |
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1515 &Vgutter_border_width[RIGHT_EDGE] /* |
| 428 | 1516 *Border width of right gutter. |
| 1517 This is a specifier; use `set-specifier' to change it. | |
| 1518 | |
| 1519 See `default-gutter-height' for more information. | |
| 1520 */ ); | |
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1521 Vgutter_border_width[RIGHT_EDGE] = Fmake_specifier (Qnatnum); |
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1522 set_specifier_caching (Vgutter_border_width[RIGHT_EDGE], |
| 438 | 1523 offsetof (struct window, |
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1524 gutter_border_width[RIGHT_EDGE]), |
| 444 | 1525 gutter_geometry_changed_in_window, 0, 0, 0); |
| 428 | 1526 |
| 1527 fb = Qnil; | |
| 1528 #ifdef HAVE_TTY | |
| 1529 fb = Fcons (Fcons (list1 (Qtty), Qzero), fb); | |
| 1530 #endif | |
| 1531 #ifdef HAVE_X_WINDOWS | |
| 1532 fb = Fcons (Fcons (list1 (Qx), make_int (DEFAULT_GUTTER_BORDER_WIDTH)), fb); | |
| 1533 #endif | |
| 1534 #ifdef HAVE_MS_WINDOWS | |
| 440 | 1535 fb = Fcons (Fcons (list1 (Qmsprinter), Qzero), fb); |
| 428 | 1536 fb = Fcons (Fcons (list1 (Qmswindows), make_int (DEFAULT_GUTTER_BORDER_WIDTH)), fb); |
| 1537 #endif | |
| 1538 if (!NILP (fb)) | |
| 1539 set_specifier_fallback (Vdefault_gutter_border_width, fb); | |
| 1540 | |
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1541 set_specifier_fallback (Vgutter_border_width[TOP_EDGE], Vdefault_gutter_border_width); |
| 428 | 1542 fb = list1 (Fcons (Qnil, Qzero)); |
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1543 set_specifier_fallback (Vgutter_border_width[BOTTOM_EDGE], fb); |
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1544 set_specifier_fallback (Vgutter_border_width[LEFT_EDGE], fb); |
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1545 set_specifier_fallback (Vgutter_border_width[RIGHT_EDGE], fb); |
| 428 | 1546 |
| 1547 DEFVAR_SPECIFIER ("default-gutter-visible-p", &Vdefault_gutter_visible_p /* | |
| 1548 *Whether the default gutter is visible. | |
| 1549 This is a specifier; use `set-specifier' to change it. | |
| 1550 | |
| 1551 The position of the default gutter is specified by the function | |
| 1552 `set-default-gutter-position'. If the corresponding position-specific | |
| 1553 gutter visibility specifier (e.g. `top-gutter-visible-p' if | |
| 3025 | 1554 `default-gutter-position' is `top') does not specify a visible-p value |
| 428 | 1555 in a particular domain (a window or a frame), then the value of |
| 1556 `default-gutter-visible-p' in that domain, if any, will be used | |
| 1557 instead. | |
| 1558 | |
| 1559 `default-gutter-visible-p' and all of the position-specific gutter | |
| 1560 visibility specifiers have a fallback value of true. | |
| 1561 */ ); | |
| 442 | 1562 Vdefault_gutter_visible_p = Fmake_specifier (Qgutter_visible); |
| 428 | 1563 set_specifier_caching (Vdefault_gutter_visible_p, |
| 438 | 1564 offsetof (struct window, |
| 1565 default_gutter_visible_p), | |
| 428 | 1566 default_gutter_visible_p_changed_in_window, |
| 444 | 1567 0, 0, 0); |
| 428 | 1568 |
| 1569 DEFVAR_SPECIFIER ("top-gutter-visible-p", | |
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1570 &Vgutter_visible_p[TOP_EDGE] /* |
| 428 | 1571 *Whether the top gutter is visible. |
| 1572 This is a specifier; use `set-specifier' to change it. | |
| 1573 | |
| 1574 See `default-gutter-visible-p' for more information. | |
| 1575 */ ); | |
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1576 Vgutter_visible_p[TOP_EDGE] = Fmake_specifier (Qgutter_visible); |
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1577 set_specifier_caching (Vgutter_visible_p[TOP_EDGE], |
| 438 | 1578 offsetof (struct window, |
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1579 gutter_visible_p[TOP_EDGE]), |
| 444 | 1580 top_gutter_specs_changed, 0, 0, 0); |
| 428 | 1581 |
| 1582 DEFVAR_SPECIFIER ("bottom-gutter-visible-p", | |
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1583 &Vgutter_visible_p[BOTTOM_EDGE] /* |
| 428 | 1584 *Whether the bottom gutter is visible. |
| 1585 This is a specifier; use `set-specifier' to change it. | |
| 1586 | |
| 1587 See `default-gutter-visible-p' for more information. | |
| 1588 */ ); | |
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1589 Vgutter_visible_p[BOTTOM_EDGE] = Fmake_specifier (Qgutter_visible); |
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1590 set_specifier_caching (Vgutter_visible_p[BOTTOM_EDGE], |
| 438 | 1591 offsetof (struct window, |
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1592 gutter_visible_p[BOTTOM_EDGE]), |
| 444 | 1593 bottom_gutter_specs_changed, 0, 0, 0); |
| 428 | 1594 |
| 1595 DEFVAR_SPECIFIER ("left-gutter-visible-p", | |
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1596 &Vgutter_visible_p[LEFT_EDGE] /* |
| 428 | 1597 *Whether the left gutter is visible. |
| 1598 This is a specifier; use `set-specifier' to change it. | |
| 1599 | |
| 1600 See `default-gutter-visible-p' for more information. | |
| 1601 */ ); | |
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1602 Vgutter_visible_p[LEFT_EDGE] = Fmake_specifier (Qgutter_visible); |
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1603 set_specifier_caching (Vgutter_visible_p[LEFT_EDGE], |
| 438 | 1604 offsetof (struct window, |
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1605 gutter_visible_p[LEFT_EDGE]), |
| 444 | 1606 left_gutter_specs_changed, 0, 0, 0); |
| 428 | 1607 |
| 1608 DEFVAR_SPECIFIER ("right-gutter-visible-p", | |
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1609 &Vgutter_visible_p[RIGHT_EDGE] /* |
| 428 | 1610 *Whether the right gutter is visible. |
| 1611 This is a specifier; use `set-specifier' to change it. | |
| 1612 | |
| 1613 See `default-gutter-visible-p' for more information. | |
| 1614 */ ); | |
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1615 Vgutter_visible_p[RIGHT_EDGE] = Fmake_specifier (Qgutter_visible); |
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1616 set_specifier_caching (Vgutter_visible_p[RIGHT_EDGE], |
| 438 | 1617 offsetof (struct window, |
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1618 gutter_visible_p[RIGHT_EDGE]), |
| 444 | 1619 right_gutter_specs_changed, 0, 0, 0); |
| 428 | 1620 |
| 1621 /* initially, top inherits from default; this can be | |
| 1622 changed with `set-default-gutter-position'. */ | |
| 1623 fb = list1 (Fcons (Qnil, Qt)); | |
| 1624 set_specifier_fallback (Vdefault_gutter_visible_p, fb); | |
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1625 set_specifier_fallback (Vgutter_visible_p[TOP_EDGE], |
| 428 | 1626 Vdefault_gutter_visible_p); |
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1627 set_specifier_fallback (Vgutter_visible_p[BOTTOM_EDGE], fb); |
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1628 set_specifier_fallback (Vgutter_visible_p[LEFT_EDGE], fb); |
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1629 set_specifier_fallback (Vgutter_visible_p[RIGHT_EDGE], fb); |
| 428 | 1630 } |