Annotation of src/usr.bin/tmux/screen.c, Revision 1.81
1.81 ! nicm 1: /* $OpenBSD: screen.c,v 1.80 2022/05/30 12:55:25 nicm Exp $ */
1.1 nicm 2:
3: /*
1.37 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20:
1.3 nicm 21: #include <stdlib.h>
1.1 nicm 22: #include <string.h>
1.16 nicm 23: #include <unistd.h>
1.47 nicm 24: #include <vis.h>
1.1 nicm 25:
26: #include "tmux.h"
27:
1.52 nicm 28: /* Selected area in screen. */
29: struct screen_sel {
30: int hidden;
31: int rectangle;
32: int modekeys;
33:
34: u_int sx;
35: u_int sy;
36:
37: u_int ex;
38: u_int ey;
39:
40: struct grid_cell cell;
41: };
42:
43: /* Entry on title stack. */
1.48 nicm 44: struct screen_title_entry {
45: char *text;
46:
47: TAILQ_ENTRY(screen_title_entry) entry;
48: };
49: TAILQ_HEAD(screen_titles, screen_title_entry);
50:
1.66 nicm 51: static void screen_resize_y(struct screen *, u_int, int, u_int *);
1.67 nicm 52: static void screen_reflow(struct screen *, u_int, u_int *, u_int *, int);
1.42 nicm 53:
1.48 nicm 54: /* Free titles stack. */
55: static void
56: screen_free_titles(struct screen *s)
57: {
58: struct screen_title_entry *title_entry;
59:
60: if (s->titles == NULL)
61: return;
62:
63: while ((title_entry = TAILQ_FIRST(s->titles)) != NULL) {
64: TAILQ_REMOVE(s->titles, title_entry, entry);
65: free(title_entry->text);
66: free(title_entry);
67: }
68:
69: free(s->titles);
70: s->titles = NULL;
71: }
72:
1.1 nicm 73: /* Create a new screen. */
74: void
75: screen_init(struct screen *s, u_int sx, u_int sy, u_int hlimit)
76: {
77: s->grid = grid_create(sx, sy, hlimit);
1.59 nicm 78: s->saved_grid = NULL;
79:
1.34 nicm 80: s->title = xstrdup("");
1.48 nicm 81: s->titles = NULL;
1.68 nicm 82: s->path = NULL;
1.1 nicm 83:
1.72 nicm 84: s->cstyle = SCREEN_CURSOR_DEFAULT;
1.78 nicm 85: s->default_cstyle = SCREEN_CURSOR_DEFAULT;
86: s->default_mode = 0;
1.77 nicm 87: s->ccolour = -1;
88: s->default_ccolour = -1;
1.3 nicm 89: s->tabs = NULL;
1.52 nicm 90: s->sel = NULL;
1.3 nicm 91:
1.64 nicm 92: s->write_list = NULL;
1.81 ! nicm 93: s->hyperlinks = NULL;
1.64 nicm 94:
1.1 nicm 95: screen_reinit(s);
96: }
97:
98: /* Reinitialise screen. */
99: void
100: screen_reinit(struct screen *s)
101: {
102: s->cx = 0;
103: s->cy = 0;
104:
105: s->rupper = 0;
106: s->rlower = screen_size_y(s) - 1;
107:
1.79 nicm 108: s->mode = MODE_CURSOR|MODE_WRAP|(s->mode & MODE_CRLF);
1.71 nicm 109: if (options_get_number(global_options, "extended-keys") == 2)
110: s->mode |= MODE_KEXTENDED;
1.12 nicm 111:
1.59 nicm 112: if (s->saved_grid != NULL)
113: screen_alternate_off(s, NULL, 0);
114: s->saved_cx = UINT_MAX;
115: s->saved_cy = UINT_MAX;
116:
1.3 nicm 117: screen_reset_tabs(s);
1.1 nicm 118:
1.44 nicm 119: grid_clear_lines(s->grid, s->grid->hsize, s->grid->sy, 8);
1.1 nicm 120:
121: screen_clear_selection(s);
1.48 nicm 122: screen_free_titles(s);
1.81 ! nicm 123: screen_reset_hyperlinks(s);
! 124: }
! 125:
! 126: /* Reset hyperlinks of a screen. */
! 127: void
! 128: screen_reset_hyperlinks(struct screen *s)
! 129: {
! 130: if (s->hyperlinks == NULL)
! 131: s->hyperlinks = hyperlinks_init();
! 132: else
! 133: hyperlinks_reset(s->hyperlinks);
1.1 nicm 134: }
135:
136: /* Destroy a screen. */
137: void
138: screen_free(struct screen *s)
139: {
1.52 nicm 140: free(s->sel);
1.23 nicm 141: free(s->tabs);
1.68 nicm 142: free(s->path);
1.23 nicm 143: free(s->title);
1.48 nicm 144:
1.64 nicm 145: if (s->write_list != NULL)
146: screen_write_free_list(s);
147:
1.59 nicm 148: if (s->saved_grid != NULL)
149: grid_destroy(s->saved_grid);
1.1 nicm 150: grid_destroy(s->grid);
1.48 nicm 151:
1.81 ! nicm 152: if (s->hyperlinks != NULL)
! 153: hyperlinks_free(s->hyperlinks);
1.48 nicm 154: screen_free_titles(s);
1.1 nicm 155: }
156:
1.3 nicm 157: /* Reset tabs to default, eight spaces apart. */
158: void
159: screen_reset_tabs(struct screen *s)
160: {
161: u_int i;
162:
1.23 nicm 163: free(s->tabs);
1.3 nicm 164:
165: if ((s->tabs = bit_alloc(screen_size_x(s))) == NULL)
166: fatal("bit_alloc failed");
167: for (i = 8; i < screen_size_x(s); i += 8)
168: bit_set(s->tabs, i);
1.21 nicm 169: }
170:
1.78 nicm 171: /* Set screen cursor style and mode. */
1.21 nicm 172: void
1.78 nicm 173: screen_set_cursor_style(u_int style, enum screen_cursor_style *cstyle,
174: int *mode)
1.21 nicm 175: {
1.73 nicm 176: switch (style) {
1.72 nicm 177: case 0:
1.78 nicm 178: *cstyle = SCREEN_CURSOR_DEFAULT;
1.72 nicm 179: break;
180: case 1:
1.78 nicm 181: *cstyle = SCREEN_CURSOR_BLOCK;
182: *mode |= MODE_CURSOR_BLINKING;
1.72 nicm 183: break;
184: case 2:
1.78 nicm 185: *cstyle = SCREEN_CURSOR_BLOCK;
186: *mode &= ~MODE_CURSOR_BLINKING;
1.72 nicm 187: break;
188: case 3:
1.78 nicm 189: *cstyle = SCREEN_CURSOR_UNDERLINE;
190: *mode |= MODE_CURSOR_BLINKING;
1.72 nicm 191: break;
192: case 4:
1.78 nicm 193: *cstyle = SCREEN_CURSOR_UNDERLINE;
194: *mode &= ~MODE_CURSOR_BLINKING;
1.72 nicm 195: break;
196: case 5:
1.78 nicm 197: *cstyle = SCREEN_CURSOR_BAR;
198: *mode |= MODE_CURSOR_BLINKING;
1.72 nicm 199: break;
200: case 6:
1.78 nicm 201: *cstyle = SCREEN_CURSOR_BAR;
202: *mode &= ~MODE_CURSOR_BLINKING;
1.72 nicm 203: break;
1.70 nicm 204: }
1.20 nicm 205: }
206:
207: /* Set screen cursor colour. */
208: void
1.77 nicm 209: screen_set_cursor_colour(struct screen *s, int colour)
1.20 nicm 210: {
1.77 nicm 211: s->ccolour = colour;
1.3 nicm 212: }
213:
1.1 nicm 214: /* Set screen title. */
1.57 nicm 215: int
1.1 nicm 216: screen_set_title(struct screen *s, const char *title)
217: {
1.57 nicm 218: if (!utf8_isvalid(title))
219: return (0);
1.23 nicm 220: free(s->title);
1.57 nicm 221: s->title = xstrdup(title);
222: return (1);
1.56 nicm 223: }
224:
225: /* Set screen path. */
226: void
227: screen_set_path(struct screen *s, const char *path)
228: {
229: free(s->path);
230: utf8_stravis(&s->path, path, VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
1.48 nicm 231: }
232:
233: /* Push the current title onto the stack. */
234: void
235: screen_push_title(struct screen *s)
236: {
237: struct screen_title_entry *title_entry;
238:
239: if (s->titles == NULL) {
240: s->titles = xmalloc(sizeof *s->titles);
241: TAILQ_INIT(s->titles);
242: }
243: title_entry = xmalloc(sizeof *title_entry);
244: title_entry->text = xstrdup(s->title);
245: TAILQ_INSERT_HEAD(s->titles, title_entry, entry);
246: }
247:
248: /*
249: * Pop a title from the stack and set it as the screen title. If the stack is
250: * empty, do nothing.
251: */
252: void
253: screen_pop_title(struct screen *s)
254: {
255: struct screen_title_entry *title_entry;
256:
257: if (s->titles == NULL)
258: return;
259:
260: title_entry = TAILQ_FIRST(s->titles);
261: if (title_entry != NULL) {
262: screen_set_title(s, title_entry->text);
263:
264: TAILQ_REMOVE(s->titles, title_entry, entry);
265: free(title_entry->text);
266: free(title_entry);
267: }
1.1 nicm 268: }
269:
1.67 nicm 270: /* Resize screen with options. */
1.1 nicm 271: void
1.62 nicm 272: screen_resize_cursor(struct screen *s, u_int sx, u_int sy, int reflow,
1.67 nicm 273: int eat_empty, int cursor)
1.1 nicm 274: {
1.67 nicm 275: u_int cx = s->cx, cy = s->grid->hsize + s->cy;
1.64 nicm 276:
1.65 nicm 277: if (s->write_list != NULL)
1.64 nicm 278: screen_write_free_list(s);
1.62 nicm 279:
1.63 nicm 280: log_debug("%s: new size %ux%u, now %ux%u (cursor %u,%u = %u,%u)",
281: __func__, sx, sy, screen_size_x(s), screen_size_y(s), s->cx, s->cy,
1.67 nicm 282: cx, cy);
1.62 nicm 283:
1.1 nicm 284: if (sx < 1)
285: sx = 1;
286: if (sy < 1)
287: sy = 1;
288:
1.3 nicm 289: if (sx != screen_size_x(s)) {
1.54 nicm 290: s->grid->sx = sx;
1.3 nicm 291: screen_reset_tabs(s);
1.49 nicm 292: } else
293: reflow = 0;
1.3 nicm 294:
1.1 nicm 295: if (sy != screen_size_y(s))
1.67 nicm 296: screen_resize_y(s, sy, eat_empty, &cy);
1.24 nicm 297:
298: if (reflow)
1.67 nicm 299: screen_reflow(s, sx, &cx, &cy, cursor);
1.62 nicm 300:
1.67 nicm 301: if (cy >= s->grid->hsize) {
302: s->cx = cx;
303: s->cy = cy - s->grid->hsize;
1.62 nicm 304: } else {
305: s->cx = 0;
306: s->cy = 0;
307: }
1.67 nicm 308:
1.63 nicm 309: log_debug("%s: cursor finished at %u,%u = %u,%u", __func__, s->cx,
1.67 nicm 310: s->cy, cx, cy);
1.65 nicm 311:
312: if (s->write_list != NULL)
313: screen_write_make_list(s);
1.62 nicm 314: }
315:
316: /* Resize screen. */
317: void
318: screen_resize(struct screen *s, u_int sx, u_int sy, int reflow)
319: {
1.67 nicm 320: screen_resize_cursor(s, sx, sy, reflow, 1, 1);
1.1 nicm 321: }
322:
1.41 nicm 323: static void
1.66 nicm 324: screen_resize_y(struct screen *s, u_int sy, int eat_empty, u_int *cy)
1.1 nicm 325: {
326: struct grid *gd = s->grid;
1.4 nicm 327: u_int needed, available, oldy, i;
1.1 nicm 328:
329: if (sy == 0)
330: fatalx("zero size");
1.4 nicm 331: oldy = screen_size_y(s);
332:
1.12 nicm 333: /*
1.4 nicm 334: * When resizing:
335: *
336: * If the height is decreasing, delete lines from the bottom until
337: * hitting the cursor, then push lines from the top into the history.
1.12 nicm 338: *
1.40 nicm 339: * When increasing, pull as many lines as possible from scrolled
340: * history (not explicitly cleared from view) to the top, then fill the
341: * remaining with blanks at the bottom.
1.4 nicm 342: */
1.1 nicm 343:
344: /* Size decreasing. */
1.4 nicm 345: if (sy < oldy) {
346: needed = oldy - sy;
1.1 nicm 347:
1.4 nicm 348: /* Delete as many lines as possible from the bottom. */
1.62 nicm 349: if (eat_empty) {
350: available = oldy - 1 - s->cy;
351: if (available > 0) {
352: if (available > needed)
353: available = needed;
354: grid_view_delete_lines(gd, oldy - available,
355: available, 8);
356: }
357: needed -= available;
1.1 nicm 358: }
359:
1.4 nicm 360: /*
1.8 nicm 361: * Now just increase the history size, if possible, to take
362: * over the lines which are left. If history is off, delete
363: * lines from the top.
1.4 nicm 364: */
1.8 nicm 365: available = s->cy;
1.40 nicm 366: if (gd->flags & GRID_HISTORY) {
367: gd->hscrolled += needed;
1.8 nicm 368: gd->hsize += needed;
1.40 nicm 369: } else if (needed > 0 && available > 0) {
1.8 nicm 370: if (available > needed)
371: available = needed;
1.44 nicm 372: grid_view_delete_lines(gd, 0, available, 8);
1.66 nicm 373: (*cy) -= available;
1.8 nicm 374: }
1.12 nicm 375: }
1.1 nicm 376:
1.51 nicm 377: /* Resize line array. */
378: grid_adjust_lines(gd, gd->hsize + sy);
1.1 nicm 379:
380: /* Size increasing. */
1.4 nicm 381: if (sy > oldy) {
382: needed = sy - oldy;
383:
1.8 nicm 384: /*
1.41 nicm 385: * Try to pull as much as possible out of scrolled history, if
386: * is is enabled.
1.8 nicm 387: */
1.40 nicm 388: available = gd->hscrolled;
1.8 nicm 389: if (gd->flags & GRID_HISTORY && available > 0) {
1.4 nicm 390: if (available > needed)
391: available = needed;
1.40 nicm 392: gd->hscrolled -= available;
1.4 nicm 393: gd->hsize -= available;
1.8 nicm 394: } else
395: available = 0;
1.4 nicm 396: needed -= available;
397:
398: /* Then fill the rest in with blanks. */
1.11 nicm 399: for (i = gd->hsize + sy - needed; i < gd->hsize + sy; i++)
1.61 nicm 400: grid_empty_line(gd, i, 8);
1.1 nicm 401: }
402:
1.4 nicm 403: /* Set the new size, and reset the scroll region. */
1.1 nicm 404: gd->sy = sy;
405: s->rupper = 0;
406: s->rlower = screen_size_y(s) - 1;
407: }
408:
409: /* Set selection. */
410: void
1.14 nicm 411: screen_set_selection(struct screen *s, u_int sx, u_int sy,
1.52 nicm 412: u_int ex, u_int ey, u_int rectangle, int modekeys, struct grid_cell *gc)
1.1 nicm 413: {
1.52 nicm 414: if (s->sel == NULL)
415: s->sel = xcalloc(1, sizeof *s->sel);
1.1 nicm 416:
1.52 nicm 417: memcpy(&s->sel->cell, gc, sizeof s->sel->cell);
418: s->sel->hidden = 0;
419: s->sel->rectangle = rectangle;
420: s->sel->modekeys = modekeys;
421:
422: s->sel->sx = sx;
423: s->sel->sy = sy;
424: s->sel->ex = ex;
425: s->sel->ey = ey;
1.1 nicm 426: }
427:
428: /* Clear selection. */
429: void
430: screen_clear_selection(struct screen *s)
431: {
1.52 nicm 432: free(s->sel);
433: s->sel = NULL;
1.1 nicm 434: }
435:
1.45 nicm 436: /* Hide selection. */
437: void
438: screen_hide_selection(struct screen *s)
439: {
1.52 nicm 440: if (s->sel != NULL)
441: s->sel->hidden = 1;
1.45 nicm 442: }
443:
1.1 nicm 444: /* Check if cell in selection. */
445: int
446: screen_check_selection(struct screen *s, u_int px, u_int py)
447: {
1.52 nicm 448: struct screen_sel *sel = s->sel;
1.28 nicm 449: u_int xx;
1.1 nicm 450:
1.52 nicm 451: if (sel == NULL || sel->hidden)
1.1 nicm 452: return (0);
453:
1.52 nicm 454: if (sel->rectangle) {
1.14 nicm 455: if (sel->sy < sel->ey) {
456: /* start line < end line -- downward selection. */
457: if (py < sel->sy || py > sel->ey)
458: return (0);
459: } else if (sel->sy > sel->ey) {
460: /* start line > end line -- upward selection. */
461: if (py > sel->sy || py < sel->ey)
462: return (0);
463: } else {
464: /* starting line == ending line. */
465: if (py != sel->sy)
466: return (0);
467: }
468:
469: /*
470: * Need to include the selection start row, but not the cursor
471: * row, which means the selection changes depending on which
472: * one is on the left.
473: */
474: if (sel->ex < sel->sx) {
475: /* Cursor (ex) is on the left. */
1.17 nicm 476: if (px < sel->ex)
1.14 nicm 477: return (0);
478:
479: if (px > sel->sx)
480: return (0);
481: } else {
482: /* Selection start (sx) is on the left. */
483: if (px < sel->sx)
484: return (0);
485:
1.17 nicm 486: if (px > sel->ex)
1.14 nicm 487: return (0);
488: }
489: } else {
490: /*
491: * Like emacs, keep the top-left-most character, and drop the
492: * bottom-right-most, regardless of copy direction.
493: */
494: if (sel->sy < sel->ey) {
495: /* starting line < ending line -- downward selection. */
496: if (py < sel->sy || py > sel->ey)
497: return (0);
498:
1.28 nicm 499: if (py == sel->sy && px < sel->sx)
1.29 nicm 500: return (0);
1.28 nicm 501:
1.53 nicm 502: if (sel->modekeys == MODEKEY_EMACS)
503: xx = (sel->ex == 0 ? 0 : sel->ex - 1);
504: else
505: xx = sel->ex;
506: if (py == sel->ey && px > xx)
1.14 nicm 507: return (0);
508: } else if (sel->sy > sel->ey) {
509: /* starting line > ending line -- upward selection. */
510: if (py > sel->sy || py < sel->ey)
511: return (0);
512:
1.28 nicm 513: if (py == sel->ey && px < sel->ex)
514: return (0);
515:
516: if (sel->modekeys == MODEKEY_EMACS)
517: xx = sel->sx - 1;
518: else
519: xx = sel->sx;
1.46 nicm 520: if (py == sel->sy && (sel->sx == 0 || px > xx))
1.14 nicm 521: return (0);
522: } else {
523: /* starting line == ending line. */
524: if (py != sel->sy)
525: return (0);
526:
527: if (sel->ex < sel->sx) {
528: /* cursor (ex) is on the left */
1.28 nicm 529: if (sel->modekeys == MODEKEY_EMACS)
530: xx = sel->sx - 1;
531: else
532: xx = sel->sx;
533: if (px > xx || px < sel->ex)
1.14 nicm 534: return (0);
535: } else {
536: /* selection start (sx) is on the left */
1.53 nicm 537: if (sel->modekeys == MODEKEY_EMACS)
538: xx = (sel->ex == 0 ? 0 : sel->ex - 1);
539: else
540: xx = sel->ex;
541: if (px < sel->sx || px > xx)
1.14 nicm 542: return (0);
543: }
544: }
1.1 nicm 545: }
546:
547: return (1);
1.43 nicm 548: }
549:
550: /* Get selected grid cell. */
551: void
552: screen_select_cell(struct screen *s, struct grid_cell *dst,
553: const struct grid_cell *src)
554: {
1.52 nicm 555: if (s->sel == NULL || s->sel->hidden)
1.43 nicm 556: return;
557:
1.52 nicm 558: memcpy(dst, &s->sel->cell, sizeof *dst);
1.43 nicm 559:
560: utf8_copy(&dst->data, &src->data);
561: dst->attr = dst->attr & ~GRID_ATTR_CHARSET;
562: dst->attr |= src->attr & GRID_ATTR_CHARSET;
563: dst->flags = src->flags;
1.24 nicm 564: }
565:
566: /* Reflow wrapped lines. */
1.42 nicm 567: static void
1.67 nicm 568: screen_reflow(struct screen *s, u_int new_x, u_int *cx, u_int *cy, int cursor)
1.24 nicm 569: {
1.62 nicm 570: u_int wx, wy;
1.54 nicm 571:
1.67 nicm 572: if (cursor) {
573: grid_wrap_position(s->grid, *cx, *cy, &wx, &wy);
574: log_debug("%s: cursor %u,%u is %u,%u", __func__, *cx, *cy, wx,
575: wy);
576: }
1.54 nicm 577:
578: grid_reflow(s->grid, new_x);
579:
1.67 nicm 580: if (cursor) {
581: grid_unwrap_position(s->grid, cx, cy, wx, wy);
582: log_debug("%s: new cursor is %u,%u", __func__, *cx, *cy);
583: }
584: else {
585: *cx = 0;
586: *cy = s->grid->hsize;
587: }
1.59 nicm 588: }
589:
590: /*
591: * Enter alternative screen mode. A copy of the visible screen is saved and the
592: * history is not updated.
593: */
594: void
595: screen_alternate_on(struct screen *s, struct grid_cell *gc, int cursor)
596: {
597: u_int sx, sy;
598:
599: if (s->saved_grid != NULL)
600: return;
601: sx = screen_size_x(s);
602: sy = screen_size_y(s);
603:
604: s->saved_grid = grid_create(sx, sy, 0);
605: grid_duplicate_lines(s->saved_grid, 0, s->grid, screen_hsize(s), sy);
606: if (cursor) {
607: s->saved_cx = s->cx;
608: s->saved_cy = s->cy;
609: }
610: memcpy(&s->saved_cell, gc, sizeof s->saved_cell);
611:
612: grid_view_clear(s->grid, 0, 0, sx, sy, 8);
613:
1.60 nicm 614: s->saved_flags = s->grid->flags;
1.59 nicm 615: s->grid->flags &= ~GRID_HISTORY;
616: }
617:
618: /* Exit alternate screen mode and restore the copied grid. */
619: void
620: screen_alternate_off(struct screen *s, struct grid_cell *gc, int cursor)
621: {
1.69 nicm 622: u_int sx = screen_size_x(s), sy = screen_size_y(s);
623:
624: /*
625: * If the current size is different, temporarily resize to the old size
626: * before copying back.
627: */
628: if (s->saved_grid != NULL)
629: screen_resize(s, s->saved_grid->sx, s->saved_grid->sy, 1);
1.59 nicm 630:
631: /*
632: * Restore the cursor position and cell. This happens even if not
633: * currently in the alternate screen.
634: */
635: if (cursor && s->saved_cx != UINT_MAX && s->saved_cy != UINT_MAX) {
636: s->cx = s->saved_cx;
637: s->cy = s->saved_cy;
638: if (gc != NULL)
639: memcpy(gc, &s->saved_cell, sizeof *gc);
640: }
641:
1.69 nicm 642: /* If not in the alternate screen, do nothing more. */
643: if (s->saved_grid == NULL) {
644: if (s->cx > screen_size_x(s) - 1)
645: s->cx = screen_size_x(s) - 1;
646: if (s->cy > screen_size_y(s) - 1)
647: s->cy = screen_size_y(s) - 1;
1.59 nicm 648: return;
1.69 nicm 649: }
1.59 nicm 650:
651: /* Restore the saved grid. */
1.69 nicm 652: grid_duplicate_lines(s->grid, screen_hsize(s), s->saved_grid, 0,
653: s->saved_grid->sy);
1.59 nicm 654:
655: /*
656: * Turn history back on (so resize can use it) and then resize back to
657: * the current size.
658: */
1.60 nicm 659: if (s->saved_flags & GRID_HISTORY)
660: s->grid->flags |= GRID_HISTORY;
1.69 nicm 661: screen_resize(s, sx, sy, 1);
1.59 nicm 662:
663: grid_destroy(s->saved_grid);
664: s->saved_grid = NULL;
1.69 nicm 665:
666: if (s->cx > screen_size_x(s) - 1)
667: s->cx = screen_size_x(s) - 1;
668: if (s->cy > screen_size_y(s) - 1)
669: s->cy = screen_size_y(s) - 1;
1.73 nicm 670: }
671:
672: /* Get mode as a string. */
673: const char *
674: screen_mode_to_string(int mode)
675: {
676: static char tmp[1024];
677:
678: if (mode == 0)
1.80 nicm 679: return ("NONE");
1.73 nicm 680: if (mode == ALL_MODES)
1.80 nicm 681: return ("ALL");
1.73 nicm 682:
683: *tmp = '\0';
684: if (mode & MODE_CURSOR)
685: strlcat(tmp, "CURSOR,", sizeof tmp);
686: if (mode & MODE_INSERT)
687: strlcat(tmp, "INSERT,", sizeof tmp);
688: if (mode & MODE_KCURSOR)
689: strlcat(tmp, "KCURSOR,", sizeof tmp);
690: if (mode & MODE_KKEYPAD)
691: strlcat(tmp, "KKEYPAD,", sizeof tmp);
692: if (mode & MODE_WRAP)
693: strlcat(tmp, "WRAP,", sizeof tmp);
694: if (mode & MODE_MOUSE_STANDARD)
1.75 nicm 695: strlcat(tmp, "MOUSE_STANDARD,", sizeof tmp);
1.73 nicm 696: if (mode & MODE_MOUSE_BUTTON)
1.75 nicm 697: strlcat(tmp, "MOUSE_BUTTON,", sizeof tmp);
1.76 nicm 698: if (mode & MODE_CURSOR_BLINKING)
699: strlcat(tmp, "CURSOR_BLINKING,", sizeof tmp);
700: if (mode & MODE_CURSOR_VERY_VISIBLE)
701: strlcat(tmp, "CURSOR_VERY_VISIBLE,", sizeof tmp);
1.73 nicm 702: if (mode & MODE_MOUSE_UTF8)
703: strlcat(tmp, "UTF8,", sizeof tmp);
704: if (mode & MODE_MOUSE_SGR)
705: strlcat(tmp, "SGR,", sizeof tmp);
706: if (mode & MODE_BRACKETPASTE)
707: strlcat(tmp, "BRACKETPASTE,", sizeof tmp);
708: if (mode & MODE_FOCUSON)
709: strlcat(tmp, "FOCUSON,", sizeof tmp);
710: if (mode & MODE_MOUSE_ALL)
1.75 nicm 711: strlcat(tmp, "MOUSE_ALL,", sizeof tmp);
1.73 nicm 712: if (mode & MODE_ORIGIN)
713: strlcat(tmp, "ORIGIN,", sizeof tmp);
714: if (mode & MODE_CRLF)
715: strlcat(tmp, "CRLF,", sizeof tmp);
716: if (mode & MODE_KEXTENDED)
717: strlcat(tmp, "KEXTENDED,", sizeof tmp);
1.74 nicm 718: tmp[strlen(tmp) - 1] = '\0';
1.73 nicm 719: return (tmp);
1.1 nicm 720: }
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