Annotation of src/usr.bin/tmux/screen.c, Revision 1.76
1.76 ! nicm 1: /* $OpenBSD: screen.c,v 1.75 2021/09/09 06:57:48 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;
1.20 nicm 85: s->ccolour = xstrdup("");
1.3 nicm 86: s->tabs = NULL;
1.52 nicm 87: s->sel = NULL;
1.3 nicm 88:
1.64 nicm 89: s->write_list = NULL;
90:
1.1 nicm 91: screen_reinit(s);
92: }
93:
94: /* Reinitialise screen. */
95: void
96: screen_reinit(struct screen *s)
97: {
98: s->cx = 0;
99: s->cy = 0;
100:
101: s->rupper = 0;
102: s->rlower = screen_size_y(s) - 1;
103:
1.71 nicm 104: s->mode = MODE_CURSOR|MODE_WRAP;
105: if (options_get_number(global_options, "extended-keys") == 2)
106: s->mode |= MODE_KEXTENDED;
1.12 nicm 107:
1.59 nicm 108: if (s->saved_grid != NULL)
109: screen_alternate_off(s, NULL, 0);
110: s->saved_cx = UINT_MAX;
111: s->saved_cy = UINT_MAX;
112:
1.3 nicm 113: screen_reset_tabs(s);
1.1 nicm 114:
1.44 nicm 115: grid_clear_lines(s->grid, s->grid->hsize, s->grid->sy, 8);
1.1 nicm 116:
117: screen_clear_selection(s);
1.48 nicm 118: screen_free_titles(s);
1.1 nicm 119: }
120:
121: /* Destroy a screen. */
122: void
123: screen_free(struct screen *s)
124: {
1.52 nicm 125: free(s->sel);
1.23 nicm 126: free(s->tabs);
1.68 nicm 127: free(s->path);
1.23 nicm 128: free(s->title);
129: free(s->ccolour);
1.48 nicm 130:
1.64 nicm 131: if (s->write_list != NULL)
132: screen_write_free_list(s);
133:
1.59 nicm 134: if (s->saved_grid != NULL)
135: grid_destroy(s->saved_grid);
1.1 nicm 136: grid_destroy(s->grid);
1.48 nicm 137:
138: screen_free_titles(s);
1.1 nicm 139: }
140:
1.3 nicm 141: /* Reset tabs to default, eight spaces apart. */
142: void
143: screen_reset_tabs(struct screen *s)
144: {
145: u_int i;
146:
1.23 nicm 147: free(s->tabs);
1.3 nicm 148:
149: if ((s->tabs = bit_alloc(screen_size_x(s))) == NULL)
150: fatal("bit_alloc failed");
151: for (i = 8; i < screen_size_x(s); i += 8)
152: bit_set(s->tabs, i);
1.21 nicm 153: }
154:
155: /* Set screen cursor style. */
156: void
157: screen_set_cursor_style(struct screen *s, u_int style)
158: {
1.73 nicm 159: log_debug("%s: new %u, was %u", __func__, style, s->cstyle);
160: switch (style) {
1.72 nicm 161: case 0:
162: s->cstyle = SCREEN_CURSOR_DEFAULT;
163: break;
164: case 1:
165: s->cstyle = SCREEN_CURSOR_BLOCK;
1.76 ! nicm 166: s->mode |= MODE_CURSOR_BLINKING;
1.72 nicm 167: break;
168: case 2:
169: s->cstyle = SCREEN_CURSOR_BLOCK;
1.76 ! nicm 170: s->mode &= ~MODE_CURSOR_BLINKING;
1.72 nicm 171: break;
172: case 3:
173: s->cstyle = SCREEN_CURSOR_UNDERLINE;
1.76 ! nicm 174: s->mode |= MODE_CURSOR_BLINKING;
1.72 nicm 175: break;
176: case 4:
177: s->cstyle = SCREEN_CURSOR_UNDERLINE;
1.76 ! nicm 178: s->mode &= ~MODE_CURSOR_BLINKING;
1.72 nicm 179: break;
180: case 5:
181: s->cstyle = SCREEN_CURSOR_BAR;
1.76 ! nicm 182: s->mode |= MODE_CURSOR_BLINKING;
1.72 nicm 183: break;
184: case 6:
185: s->cstyle = SCREEN_CURSOR_BAR;
1.76 ! nicm 186: s->mode &= ~MODE_CURSOR_BLINKING;
1.72 nicm 187: break;
1.70 nicm 188: }
1.20 nicm 189: }
190:
191: /* Set screen cursor colour. */
192: void
1.36 nicm 193: screen_set_cursor_colour(struct screen *s, const char *colour)
1.20 nicm 194: {
1.23 nicm 195: free(s->ccolour);
1.36 nicm 196: s->ccolour = xstrdup(colour);
1.3 nicm 197: }
198:
1.1 nicm 199: /* Set screen title. */
1.57 nicm 200: int
1.1 nicm 201: screen_set_title(struct screen *s, const char *title)
202: {
1.57 nicm 203: if (!utf8_isvalid(title))
204: return (0);
1.23 nicm 205: free(s->title);
1.57 nicm 206: s->title = xstrdup(title);
207: return (1);
1.56 nicm 208: }
209:
210: /* Set screen path. */
211: void
212: screen_set_path(struct screen *s, const char *path)
213: {
214: free(s->path);
215: utf8_stravis(&s->path, path, VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
1.48 nicm 216: }
217:
218: /* Push the current title onto the stack. */
219: void
220: screen_push_title(struct screen *s)
221: {
222: struct screen_title_entry *title_entry;
223:
224: if (s->titles == NULL) {
225: s->titles = xmalloc(sizeof *s->titles);
226: TAILQ_INIT(s->titles);
227: }
228: title_entry = xmalloc(sizeof *title_entry);
229: title_entry->text = xstrdup(s->title);
230: TAILQ_INSERT_HEAD(s->titles, title_entry, entry);
231: }
232:
233: /*
234: * Pop a title from the stack and set it as the screen title. If the stack is
235: * empty, do nothing.
236: */
237: void
238: screen_pop_title(struct screen *s)
239: {
240: struct screen_title_entry *title_entry;
241:
242: if (s->titles == NULL)
243: return;
244:
245: title_entry = TAILQ_FIRST(s->titles);
246: if (title_entry != NULL) {
247: screen_set_title(s, title_entry->text);
248:
249: TAILQ_REMOVE(s->titles, title_entry, entry);
250: free(title_entry->text);
251: free(title_entry);
252: }
1.1 nicm 253: }
254:
1.67 nicm 255: /* Resize screen with options. */
1.1 nicm 256: void
1.62 nicm 257: screen_resize_cursor(struct screen *s, u_int sx, u_int sy, int reflow,
1.67 nicm 258: int eat_empty, int cursor)
1.1 nicm 259: {
1.67 nicm 260: u_int cx = s->cx, cy = s->grid->hsize + s->cy;
1.64 nicm 261:
1.65 nicm 262: if (s->write_list != NULL)
1.64 nicm 263: screen_write_free_list(s);
1.62 nicm 264:
1.63 nicm 265: log_debug("%s: new size %ux%u, now %ux%u (cursor %u,%u = %u,%u)",
266: __func__, sx, sy, screen_size_x(s), screen_size_y(s), s->cx, s->cy,
1.67 nicm 267: cx, cy);
1.62 nicm 268:
1.1 nicm 269: if (sx < 1)
270: sx = 1;
271: if (sy < 1)
272: sy = 1;
273:
1.3 nicm 274: if (sx != screen_size_x(s)) {
1.54 nicm 275: s->grid->sx = sx;
1.3 nicm 276: screen_reset_tabs(s);
1.49 nicm 277: } else
278: reflow = 0;
1.3 nicm 279:
1.1 nicm 280: if (sy != screen_size_y(s))
1.67 nicm 281: screen_resize_y(s, sy, eat_empty, &cy);
1.24 nicm 282:
283: if (reflow)
1.67 nicm 284: screen_reflow(s, sx, &cx, &cy, cursor);
1.62 nicm 285:
1.67 nicm 286: if (cy >= s->grid->hsize) {
287: s->cx = cx;
288: s->cy = cy - s->grid->hsize;
1.62 nicm 289: } else {
290: s->cx = 0;
291: s->cy = 0;
292: }
1.67 nicm 293:
1.63 nicm 294: log_debug("%s: cursor finished at %u,%u = %u,%u", __func__, s->cx,
1.67 nicm 295: s->cy, cx, cy);
1.65 nicm 296:
297: if (s->write_list != NULL)
298: screen_write_make_list(s);
1.62 nicm 299: }
300:
301: /* Resize screen. */
302: void
303: screen_resize(struct screen *s, u_int sx, u_int sy, int reflow)
304: {
1.67 nicm 305: screen_resize_cursor(s, sx, sy, reflow, 1, 1);
1.1 nicm 306: }
307:
1.41 nicm 308: static void
1.66 nicm 309: screen_resize_y(struct screen *s, u_int sy, int eat_empty, u_int *cy)
1.1 nicm 310: {
311: struct grid *gd = s->grid;
1.4 nicm 312: u_int needed, available, oldy, i;
1.1 nicm 313:
314: if (sy == 0)
315: fatalx("zero size");
1.4 nicm 316: oldy = screen_size_y(s);
317:
1.12 nicm 318: /*
1.4 nicm 319: * When resizing:
320: *
321: * If the height is decreasing, delete lines from the bottom until
322: * hitting the cursor, then push lines from the top into the history.
1.12 nicm 323: *
1.40 nicm 324: * When increasing, pull as many lines as possible from scrolled
325: * history (not explicitly cleared from view) to the top, then fill the
326: * remaining with blanks at the bottom.
1.4 nicm 327: */
1.1 nicm 328:
329: /* Size decreasing. */
1.4 nicm 330: if (sy < oldy) {
331: needed = oldy - sy;
1.1 nicm 332:
1.4 nicm 333: /* Delete as many lines as possible from the bottom. */
1.62 nicm 334: if (eat_empty) {
335: available = oldy - 1 - s->cy;
336: if (available > 0) {
337: if (available > needed)
338: available = needed;
339: grid_view_delete_lines(gd, oldy - available,
340: available, 8);
341: }
342: needed -= available;
1.1 nicm 343: }
344:
1.4 nicm 345: /*
1.8 nicm 346: * Now just increase the history size, if possible, to take
347: * over the lines which are left. If history is off, delete
348: * lines from the top.
1.4 nicm 349: */
1.8 nicm 350: available = s->cy;
1.40 nicm 351: if (gd->flags & GRID_HISTORY) {
352: gd->hscrolled += needed;
1.8 nicm 353: gd->hsize += needed;
1.40 nicm 354: } else if (needed > 0 && available > 0) {
1.8 nicm 355: if (available > needed)
356: available = needed;
1.44 nicm 357: grid_view_delete_lines(gd, 0, available, 8);
1.66 nicm 358: (*cy) -= available;
1.8 nicm 359: }
1.12 nicm 360: }
1.1 nicm 361:
1.51 nicm 362: /* Resize line array. */
363: grid_adjust_lines(gd, gd->hsize + sy);
1.1 nicm 364:
365: /* Size increasing. */
1.4 nicm 366: if (sy > oldy) {
367: needed = sy - oldy;
368:
1.8 nicm 369: /*
1.41 nicm 370: * Try to pull as much as possible out of scrolled history, if
371: * is is enabled.
1.8 nicm 372: */
1.40 nicm 373: available = gd->hscrolled;
1.8 nicm 374: if (gd->flags & GRID_HISTORY && available > 0) {
1.4 nicm 375: if (available > needed)
376: available = needed;
1.40 nicm 377: gd->hscrolled -= available;
1.4 nicm 378: gd->hsize -= available;
1.8 nicm 379: } else
380: available = 0;
1.4 nicm 381: needed -= available;
382:
383: /* Then fill the rest in with blanks. */
1.11 nicm 384: for (i = gd->hsize + sy - needed; i < gd->hsize + sy; i++)
1.61 nicm 385: grid_empty_line(gd, i, 8);
1.1 nicm 386: }
387:
1.4 nicm 388: /* Set the new size, and reset the scroll region. */
1.1 nicm 389: gd->sy = sy;
390: s->rupper = 0;
391: s->rlower = screen_size_y(s) - 1;
392: }
393:
394: /* Set selection. */
395: void
1.14 nicm 396: screen_set_selection(struct screen *s, u_int sx, u_int sy,
1.52 nicm 397: u_int ex, u_int ey, u_int rectangle, int modekeys, struct grid_cell *gc)
1.1 nicm 398: {
1.52 nicm 399: if (s->sel == NULL)
400: s->sel = xcalloc(1, sizeof *s->sel);
1.1 nicm 401:
1.52 nicm 402: memcpy(&s->sel->cell, gc, sizeof s->sel->cell);
403: s->sel->hidden = 0;
404: s->sel->rectangle = rectangle;
405: s->sel->modekeys = modekeys;
406:
407: s->sel->sx = sx;
408: s->sel->sy = sy;
409: s->sel->ex = ex;
410: s->sel->ey = ey;
1.1 nicm 411: }
412:
413: /* Clear selection. */
414: void
415: screen_clear_selection(struct screen *s)
416: {
1.52 nicm 417: free(s->sel);
418: s->sel = NULL;
1.1 nicm 419: }
420:
1.45 nicm 421: /* Hide selection. */
422: void
423: screen_hide_selection(struct screen *s)
424: {
1.52 nicm 425: if (s->sel != NULL)
426: s->sel->hidden = 1;
1.45 nicm 427: }
428:
1.1 nicm 429: /* Check if cell in selection. */
430: int
431: screen_check_selection(struct screen *s, u_int px, u_int py)
432: {
1.52 nicm 433: struct screen_sel *sel = s->sel;
1.28 nicm 434: u_int xx;
1.1 nicm 435:
1.52 nicm 436: if (sel == NULL || sel->hidden)
1.1 nicm 437: return (0);
438:
1.52 nicm 439: if (sel->rectangle) {
1.14 nicm 440: if (sel->sy < sel->ey) {
441: /* start line < end line -- downward selection. */
442: if (py < sel->sy || py > sel->ey)
443: return (0);
444: } else if (sel->sy > sel->ey) {
445: /* start line > end line -- upward selection. */
446: if (py > sel->sy || py < sel->ey)
447: return (0);
448: } else {
449: /* starting line == ending line. */
450: if (py != sel->sy)
451: return (0);
452: }
453:
454: /*
455: * Need to include the selection start row, but not the cursor
456: * row, which means the selection changes depending on which
457: * one is on the left.
458: */
459: if (sel->ex < sel->sx) {
460: /* Cursor (ex) is on the left. */
1.17 nicm 461: if (px < sel->ex)
1.14 nicm 462: return (0);
463:
464: if (px > sel->sx)
465: return (0);
466: } else {
467: /* Selection start (sx) is on the left. */
468: if (px < sel->sx)
469: return (0);
470:
1.17 nicm 471: if (px > sel->ex)
1.14 nicm 472: return (0);
473: }
474: } else {
475: /*
476: * Like emacs, keep the top-left-most character, and drop the
477: * bottom-right-most, regardless of copy direction.
478: */
479: if (sel->sy < sel->ey) {
480: /* starting line < ending line -- downward selection. */
481: if (py < sel->sy || py > sel->ey)
482: return (0);
483:
1.28 nicm 484: if (py == sel->sy && px < sel->sx)
1.29 nicm 485: return (0);
1.28 nicm 486:
1.53 nicm 487: if (sel->modekeys == MODEKEY_EMACS)
488: xx = (sel->ex == 0 ? 0 : sel->ex - 1);
489: else
490: xx = sel->ex;
491: if (py == sel->ey && px > xx)
1.14 nicm 492: return (0);
493: } else if (sel->sy > sel->ey) {
494: /* starting line > ending line -- upward selection. */
495: if (py > sel->sy || py < sel->ey)
496: return (0);
497:
1.28 nicm 498: if (py == sel->ey && px < sel->ex)
499: return (0);
500:
501: if (sel->modekeys == MODEKEY_EMACS)
502: xx = sel->sx - 1;
503: else
504: xx = sel->sx;
1.46 nicm 505: if (py == sel->sy && (sel->sx == 0 || px > xx))
1.14 nicm 506: return (0);
507: } else {
508: /* starting line == ending line. */
509: if (py != sel->sy)
510: return (0);
511:
512: if (sel->ex < sel->sx) {
513: /* cursor (ex) is on the left */
1.28 nicm 514: if (sel->modekeys == MODEKEY_EMACS)
515: xx = sel->sx - 1;
516: else
517: xx = sel->sx;
518: if (px > xx || px < sel->ex)
1.14 nicm 519: return (0);
520: } else {
521: /* selection start (sx) is on the left */
1.53 nicm 522: if (sel->modekeys == MODEKEY_EMACS)
523: xx = (sel->ex == 0 ? 0 : sel->ex - 1);
524: else
525: xx = sel->ex;
526: if (px < sel->sx || px > xx)
1.14 nicm 527: return (0);
528: }
529: }
1.1 nicm 530: }
531:
532: return (1);
1.43 nicm 533: }
534:
535: /* Get selected grid cell. */
536: void
537: screen_select_cell(struct screen *s, struct grid_cell *dst,
538: const struct grid_cell *src)
539: {
1.52 nicm 540: if (s->sel == NULL || s->sel->hidden)
1.43 nicm 541: return;
542:
1.52 nicm 543: memcpy(dst, &s->sel->cell, sizeof *dst);
1.43 nicm 544:
545: utf8_copy(&dst->data, &src->data);
546: dst->attr = dst->attr & ~GRID_ATTR_CHARSET;
547: dst->attr |= src->attr & GRID_ATTR_CHARSET;
548: dst->flags = src->flags;
1.24 nicm 549: }
550:
551: /* Reflow wrapped lines. */
1.42 nicm 552: static void
1.67 nicm 553: screen_reflow(struct screen *s, u_int new_x, u_int *cx, u_int *cy, int cursor)
1.24 nicm 554: {
1.62 nicm 555: u_int wx, wy;
1.54 nicm 556:
1.67 nicm 557: if (cursor) {
558: grid_wrap_position(s->grid, *cx, *cy, &wx, &wy);
559: log_debug("%s: cursor %u,%u is %u,%u", __func__, *cx, *cy, wx,
560: wy);
561: }
1.54 nicm 562:
563: grid_reflow(s->grid, new_x);
564:
1.67 nicm 565: if (cursor) {
566: grid_unwrap_position(s->grid, cx, cy, wx, wy);
567: log_debug("%s: new cursor is %u,%u", __func__, *cx, *cy);
568: }
569: else {
570: *cx = 0;
571: *cy = s->grid->hsize;
572: }
1.59 nicm 573: }
574:
575: /*
576: * Enter alternative screen mode. A copy of the visible screen is saved and the
577: * history is not updated.
578: */
579: void
580: screen_alternate_on(struct screen *s, struct grid_cell *gc, int cursor)
581: {
582: u_int sx, sy;
583:
584: if (s->saved_grid != NULL)
585: return;
586: sx = screen_size_x(s);
587: sy = screen_size_y(s);
588:
589: s->saved_grid = grid_create(sx, sy, 0);
590: grid_duplicate_lines(s->saved_grid, 0, s->grid, screen_hsize(s), sy);
591: if (cursor) {
592: s->saved_cx = s->cx;
593: s->saved_cy = s->cy;
594: }
595: memcpy(&s->saved_cell, gc, sizeof s->saved_cell);
596:
597: grid_view_clear(s->grid, 0, 0, sx, sy, 8);
598:
1.60 nicm 599: s->saved_flags = s->grid->flags;
1.59 nicm 600: s->grid->flags &= ~GRID_HISTORY;
601: }
602:
603: /* Exit alternate screen mode and restore the copied grid. */
604: void
605: screen_alternate_off(struct screen *s, struct grid_cell *gc, int cursor)
606: {
1.69 nicm 607: u_int sx = screen_size_x(s), sy = screen_size_y(s);
608:
609: /*
610: * If the current size is different, temporarily resize to the old size
611: * before copying back.
612: */
613: if (s->saved_grid != NULL)
614: screen_resize(s, s->saved_grid->sx, s->saved_grid->sy, 1);
1.59 nicm 615:
616: /*
617: * Restore the cursor position and cell. This happens even if not
618: * currently in the alternate screen.
619: */
620: if (cursor && s->saved_cx != UINT_MAX && s->saved_cy != UINT_MAX) {
621: s->cx = s->saved_cx;
622: s->cy = s->saved_cy;
623: if (gc != NULL)
624: memcpy(gc, &s->saved_cell, sizeof *gc);
625: }
626:
1.69 nicm 627: /* If not in the alternate screen, do nothing more. */
628: if (s->saved_grid == NULL) {
629: if (s->cx > screen_size_x(s) - 1)
630: s->cx = screen_size_x(s) - 1;
631: if (s->cy > screen_size_y(s) - 1)
632: s->cy = screen_size_y(s) - 1;
1.59 nicm 633: return;
1.69 nicm 634: }
1.59 nicm 635:
636: /* Restore the saved grid. */
1.69 nicm 637: grid_duplicate_lines(s->grid, screen_hsize(s), s->saved_grid, 0,
638: s->saved_grid->sy);
1.59 nicm 639:
640: /*
641: * Turn history back on (so resize can use it) and then resize back to
642: * the current size.
643: */
1.60 nicm 644: if (s->saved_flags & GRID_HISTORY)
645: s->grid->flags |= GRID_HISTORY;
1.69 nicm 646: screen_resize(s, sx, sy, 1);
1.59 nicm 647:
648: grid_destroy(s->saved_grid);
649: s->saved_grid = NULL;
1.69 nicm 650:
651: if (s->cx > screen_size_x(s) - 1)
652: s->cx = screen_size_x(s) - 1;
653: if (s->cy > screen_size_y(s) - 1)
654: s->cy = screen_size_y(s) - 1;
1.73 nicm 655: }
656:
657: /* Get mode as a string. */
658: const char *
659: screen_mode_to_string(int mode)
660: {
661: static char tmp[1024];
662:
663: if (mode == 0)
664: return "NONE";
665: if (mode == ALL_MODES)
666: return "ALL";
667:
668: *tmp = '\0';
669: if (mode & MODE_CURSOR)
670: strlcat(tmp, "CURSOR,", sizeof tmp);
671: if (mode & MODE_INSERT)
672: strlcat(tmp, "INSERT,", sizeof tmp);
673: if (mode & MODE_KCURSOR)
674: strlcat(tmp, "KCURSOR,", sizeof tmp);
675: if (mode & MODE_KKEYPAD)
676: strlcat(tmp, "KKEYPAD,", sizeof tmp);
677: if (mode & MODE_WRAP)
678: strlcat(tmp, "WRAP,", sizeof tmp);
679: if (mode & MODE_MOUSE_STANDARD)
1.75 nicm 680: strlcat(tmp, "MOUSE_STANDARD,", sizeof tmp);
1.73 nicm 681: if (mode & MODE_MOUSE_BUTTON)
1.75 nicm 682: strlcat(tmp, "MOUSE_BUTTON,", sizeof tmp);
1.76 ! nicm 683: if (mode & MODE_CURSOR_BLINKING)
! 684: strlcat(tmp, "CURSOR_BLINKING,", sizeof tmp);
! 685: if (mode & MODE_CURSOR_VERY_VISIBLE)
! 686: strlcat(tmp, "CURSOR_VERY_VISIBLE,", sizeof tmp);
1.73 nicm 687: if (mode & MODE_MOUSE_UTF8)
688: strlcat(tmp, "UTF8,", sizeof tmp);
689: if (mode & MODE_MOUSE_SGR)
690: strlcat(tmp, "SGR,", sizeof tmp);
691: if (mode & MODE_BRACKETPASTE)
692: strlcat(tmp, "BRACKETPASTE,", sizeof tmp);
693: if (mode & MODE_FOCUSON)
694: strlcat(tmp, "FOCUSON,", sizeof tmp);
695: if (mode & MODE_MOUSE_ALL)
1.75 nicm 696: strlcat(tmp, "MOUSE_ALL,", sizeof tmp);
1.73 nicm 697: if (mode & MODE_ORIGIN)
698: strlcat(tmp, "ORIGIN,", sizeof tmp);
699: if (mode & MODE_CRLF)
700: strlcat(tmp, "CRLF,", sizeof tmp);
701: if (mode & MODE_KEXTENDED)
702: strlcat(tmp, "KEXTENDED,", sizeof tmp);
1.74 nicm 703: tmp[strlen(tmp) - 1] = '\0';
1.73 nicm 704: return (tmp);
1.1 nicm 705: }
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