Annotation of src/usr.bin/tmux/screen.c, Revision 1.77
1.77 ! nicm 1: /* $OpenBSD: screen.c,v 1.76 2021/10/05 12:46:02 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;
1.77 ! nicm 85: s->ccolour = -1;
! 86: s->default_ccolour = -1;
1.3 nicm 87: s->tabs = NULL;
1.52 nicm 88: s->sel = NULL;
1.3 nicm 89:
1.64 nicm 90: s->write_list = NULL;
91:
1.1 nicm 92: screen_reinit(s);
93: }
94:
95: /* Reinitialise screen. */
96: void
97: screen_reinit(struct screen *s)
98: {
99: s->cx = 0;
100: s->cy = 0;
101:
102: s->rupper = 0;
103: s->rlower = screen_size_y(s) - 1;
104:
1.71 nicm 105: s->mode = MODE_CURSOR|MODE_WRAP;
106: if (options_get_number(global_options, "extended-keys") == 2)
107: s->mode |= MODE_KEXTENDED;
1.12 nicm 108:
1.59 nicm 109: if (s->saved_grid != NULL)
110: screen_alternate_off(s, NULL, 0);
111: s->saved_cx = UINT_MAX;
112: s->saved_cy = UINT_MAX;
113:
1.3 nicm 114: screen_reset_tabs(s);
1.1 nicm 115:
1.44 nicm 116: grid_clear_lines(s->grid, s->grid->hsize, s->grid->sy, 8);
1.1 nicm 117:
118: screen_clear_selection(s);
1.48 nicm 119: screen_free_titles(s);
1.1 nicm 120: }
121:
122: /* Destroy a screen. */
123: void
124: screen_free(struct screen *s)
125: {
1.52 nicm 126: free(s->sel);
1.23 nicm 127: free(s->tabs);
1.68 nicm 128: free(s->path);
1.23 nicm 129: free(s->title);
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
1.77 ! nicm 193: screen_set_cursor_colour(struct screen *s, int colour)
1.20 nicm 194: {
1.77 ! nicm 195: s->ccolour = colour;
1.3 nicm 196: }
197:
1.1 nicm 198: /* Set screen title. */
1.57 nicm 199: int
1.1 nicm 200: screen_set_title(struct screen *s, const char *title)
201: {
1.57 nicm 202: if (!utf8_isvalid(title))
203: return (0);
1.23 nicm 204: free(s->title);
1.57 nicm 205: s->title = xstrdup(title);
206: return (1);
1.56 nicm 207: }
208:
209: /* Set screen path. */
210: void
211: screen_set_path(struct screen *s, const char *path)
212: {
213: free(s->path);
214: utf8_stravis(&s->path, path, VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
1.48 nicm 215: }
216:
217: /* Push the current title onto the stack. */
218: void
219: screen_push_title(struct screen *s)
220: {
221: struct screen_title_entry *title_entry;
222:
223: if (s->titles == NULL) {
224: s->titles = xmalloc(sizeof *s->titles);
225: TAILQ_INIT(s->titles);
226: }
227: title_entry = xmalloc(sizeof *title_entry);
228: title_entry->text = xstrdup(s->title);
229: TAILQ_INSERT_HEAD(s->titles, title_entry, entry);
230: }
231:
232: /*
233: * Pop a title from the stack and set it as the screen title. If the stack is
234: * empty, do nothing.
235: */
236: void
237: screen_pop_title(struct screen *s)
238: {
239: struct screen_title_entry *title_entry;
240:
241: if (s->titles == NULL)
242: return;
243:
244: title_entry = TAILQ_FIRST(s->titles);
245: if (title_entry != NULL) {
246: screen_set_title(s, title_entry->text);
247:
248: TAILQ_REMOVE(s->titles, title_entry, entry);
249: free(title_entry->text);
250: free(title_entry);
251: }
1.1 nicm 252: }
253:
1.67 nicm 254: /* Resize screen with options. */
1.1 nicm 255: void
1.62 nicm 256: screen_resize_cursor(struct screen *s, u_int sx, u_int sy, int reflow,
1.67 nicm 257: int eat_empty, int cursor)
1.1 nicm 258: {
1.67 nicm 259: u_int cx = s->cx, cy = s->grid->hsize + s->cy;
1.64 nicm 260:
1.65 nicm 261: if (s->write_list != NULL)
1.64 nicm 262: screen_write_free_list(s);
1.62 nicm 263:
1.63 nicm 264: log_debug("%s: new size %ux%u, now %ux%u (cursor %u,%u = %u,%u)",
265: __func__, sx, sy, screen_size_x(s), screen_size_y(s), s->cx, s->cy,
1.67 nicm 266: cx, cy);
1.62 nicm 267:
1.1 nicm 268: if (sx < 1)
269: sx = 1;
270: if (sy < 1)
271: sy = 1;
272:
1.3 nicm 273: if (sx != screen_size_x(s)) {
1.54 nicm 274: s->grid->sx = sx;
1.3 nicm 275: screen_reset_tabs(s);
1.49 nicm 276: } else
277: reflow = 0;
1.3 nicm 278:
1.1 nicm 279: if (sy != screen_size_y(s))
1.67 nicm 280: screen_resize_y(s, sy, eat_empty, &cy);
1.24 nicm 281:
282: if (reflow)
1.67 nicm 283: screen_reflow(s, sx, &cx, &cy, cursor);
1.62 nicm 284:
1.67 nicm 285: if (cy >= s->grid->hsize) {
286: s->cx = cx;
287: s->cy = cy - s->grid->hsize;
1.62 nicm 288: } else {
289: s->cx = 0;
290: s->cy = 0;
291: }
1.67 nicm 292:
1.63 nicm 293: log_debug("%s: cursor finished at %u,%u = %u,%u", __func__, s->cx,
1.67 nicm 294: s->cy, cx, cy);
1.65 nicm 295:
296: if (s->write_list != NULL)
297: screen_write_make_list(s);
1.62 nicm 298: }
299:
300: /* Resize screen. */
301: void
302: screen_resize(struct screen *s, u_int sx, u_int sy, int reflow)
303: {
1.67 nicm 304: screen_resize_cursor(s, sx, sy, reflow, 1, 1);
1.1 nicm 305: }
306:
1.41 nicm 307: static void
1.66 nicm 308: screen_resize_y(struct screen *s, u_int sy, int eat_empty, u_int *cy)
1.1 nicm 309: {
310: struct grid *gd = s->grid;
1.4 nicm 311: u_int needed, available, oldy, i;
1.1 nicm 312:
313: if (sy == 0)
314: fatalx("zero size");
1.4 nicm 315: oldy = screen_size_y(s);
316:
1.12 nicm 317: /*
1.4 nicm 318: * When resizing:
319: *
320: * If the height is decreasing, delete lines from the bottom until
321: * hitting the cursor, then push lines from the top into the history.
1.12 nicm 322: *
1.40 nicm 323: * When increasing, pull as many lines as possible from scrolled
324: * history (not explicitly cleared from view) to the top, then fill the
325: * remaining with blanks at the bottom.
1.4 nicm 326: */
1.1 nicm 327:
328: /* Size decreasing. */
1.4 nicm 329: if (sy < oldy) {
330: needed = oldy - sy;
1.1 nicm 331:
1.4 nicm 332: /* Delete as many lines as possible from the bottom. */
1.62 nicm 333: if (eat_empty) {
334: available = oldy - 1 - s->cy;
335: if (available > 0) {
336: if (available > needed)
337: available = needed;
338: grid_view_delete_lines(gd, oldy - available,
339: available, 8);
340: }
341: needed -= available;
1.1 nicm 342: }
343:
1.4 nicm 344: /*
1.8 nicm 345: * Now just increase the history size, if possible, to take
346: * over the lines which are left. If history is off, delete
347: * lines from the top.
1.4 nicm 348: */
1.8 nicm 349: available = s->cy;
1.40 nicm 350: if (gd->flags & GRID_HISTORY) {
351: gd->hscrolled += needed;
1.8 nicm 352: gd->hsize += needed;
1.40 nicm 353: } else if (needed > 0 && available > 0) {
1.8 nicm 354: if (available > needed)
355: available = needed;
1.44 nicm 356: grid_view_delete_lines(gd, 0, available, 8);
1.66 nicm 357: (*cy) -= available;
1.8 nicm 358: }
1.12 nicm 359: }
1.1 nicm 360:
1.51 nicm 361: /* Resize line array. */
362: grid_adjust_lines(gd, gd->hsize + sy);
1.1 nicm 363:
364: /* Size increasing. */
1.4 nicm 365: if (sy > oldy) {
366: needed = sy - oldy;
367:
1.8 nicm 368: /*
1.41 nicm 369: * Try to pull as much as possible out of scrolled history, if
370: * is is enabled.
1.8 nicm 371: */
1.40 nicm 372: available = gd->hscrolled;
1.8 nicm 373: if (gd->flags & GRID_HISTORY && available > 0) {
1.4 nicm 374: if (available > needed)
375: available = needed;
1.40 nicm 376: gd->hscrolled -= available;
1.4 nicm 377: gd->hsize -= available;
1.8 nicm 378: } else
379: available = 0;
1.4 nicm 380: needed -= available;
381:
382: /* Then fill the rest in with blanks. */
1.11 nicm 383: for (i = gd->hsize + sy - needed; i < gd->hsize + sy; i++)
1.61 nicm 384: grid_empty_line(gd, i, 8);
1.1 nicm 385: }
386:
1.4 nicm 387: /* Set the new size, and reset the scroll region. */
1.1 nicm 388: gd->sy = sy;
389: s->rupper = 0;
390: s->rlower = screen_size_y(s) - 1;
391: }
392:
393: /* Set selection. */
394: void
1.14 nicm 395: screen_set_selection(struct screen *s, u_int sx, u_int sy,
1.52 nicm 396: u_int ex, u_int ey, u_int rectangle, int modekeys, struct grid_cell *gc)
1.1 nicm 397: {
1.52 nicm 398: if (s->sel == NULL)
399: s->sel = xcalloc(1, sizeof *s->sel);
1.1 nicm 400:
1.52 nicm 401: memcpy(&s->sel->cell, gc, sizeof s->sel->cell);
402: s->sel->hidden = 0;
403: s->sel->rectangle = rectangle;
404: s->sel->modekeys = modekeys;
405:
406: s->sel->sx = sx;
407: s->sel->sy = sy;
408: s->sel->ex = ex;
409: s->sel->ey = ey;
1.1 nicm 410: }
411:
412: /* Clear selection. */
413: void
414: screen_clear_selection(struct screen *s)
415: {
1.52 nicm 416: free(s->sel);
417: s->sel = NULL;
1.1 nicm 418: }
419:
1.45 nicm 420: /* Hide selection. */
421: void
422: screen_hide_selection(struct screen *s)
423: {
1.52 nicm 424: if (s->sel != NULL)
425: s->sel->hidden = 1;
1.45 nicm 426: }
427:
1.1 nicm 428: /* Check if cell in selection. */
429: int
430: screen_check_selection(struct screen *s, u_int px, u_int py)
431: {
1.52 nicm 432: struct screen_sel *sel = s->sel;
1.28 nicm 433: u_int xx;
1.1 nicm 434:
1.52 nicm 435: if (sel == NULL || sel->hidden)
1.1 nicm 436: return (0);
437:
1.52 nicm 438: if (sel->rectangle) {
1.14 nicm 439: if (sel->sy < sel->ey) {
440: /* start line < end line -- downward selection. */
441: if (py < sel->sy || py > sel->ey)
442: return (0);
443: } else if (sel->sy > sel->ey) {
444: /* start line > end line -- upward selection. */
445: if (py > sel->sy || py < sel->ey)
446: return (0);
447: } else {
448: /* starting line == ending line. */
449: if (py != sel->sy)
450: return (0);
451: }
452:
453: /*
454: * Need to include the selection start row, but not the cursor
455: * row, which means the selection changes depending on which
456: * one is on the left.
457: */
458: if (sel->ex < sel->sx) {
459: /* Cursor (ex) is on the left. */
1.17 nicm 460: if (px < sel->ex)
1.14 nicm 461: return (0);
462:
463: if (px > sel->sx)
464: return (0);
465: } else {
466: /* Selection start (sx) is on the left. */
467: if (px < sel->sx)
468: return (0);
469:
1.17 nicm 470: if (px > sel->ex)
1.14 nicm 471: return (0);
472: }
473: } else {
474: /*
475: * Like emacs, keep the top-left-most character, and drop the
476: * bottom-right-most, regardless of copy direction.
477: */
478: if (sel->sy < sel->ey) {
479: /* starting line < ending line -- downward selection. */
480: if (py < sel->sy || py > sel->ey)
481: return (0);
482:
1.28 nicm 483: if (py == sel->sy && px < sel->sx)
1.29 nicm 484: return (0);
1.28 nicm 485:
1.53 nicm 486: if (sel->modekeys == MODEKEY_EMACS)
487: xx = (sel->ex == 0 ? 0 : sel->ex - 1);
488: else
489: xx = sel->ex;
490: if (py == sel->ey && px > xx)
1.14 nicm 491: return (0);
492: } else if (sel->sy > sel->ey) {
493: /* starting line > ending line -- upward selection. */
494: if (py > sel->sy || py < sel->ey)
495: return (0);
496:
1.28 nicm 497: if (py == sel->ey && px < sel->ex)
498: return (0);
499:
500: if (sel->modekeys == MODEKEY_EMACS)
501: xx = sel->sx - 1;
502: else
503: xx = sel->sx;
1.46 nicm 504: if (py == sel->sy && (sel->sx == 0 || px > xx))
1.14 nicm 505: return (0);
506: } else {
507: /* starting line == ending line. */
508: if (py != sel->sy)
509: return (0);
510:
511: if (sel->ex < sel->sx) {
512: /* cursor (ex) is on the left */
1.28 nicm 513: if (sel->modekeys == MODEKEY_EMACS)
514: xx = sel->sx - 1;
515: else
516: xx = sel->sx;
517: if (px > xx || px < sel->ex)
1.14 nicm 518: return (0);
519: } else {
520: /* selection start (sx) is on the left */
1.53 nicm 521: if (sel->modekeys == MODEKEY_EMACS)
522: xx = (sel->ex == 0 ? 0 : sel->ex - 1);
523: else
524: xx = sel->ex;
525: if (px < sel->sx || px > xx)
1.14 nicm 526: return (0);
527: }
528: }
1.1 nicm 529: }
530:
531: return (1);
1.43 nicm 532: }
533:
534: /* Get selected grid cell. */
535: void
536: screen_select_cell(struct screen *s, struct grid_cell *dst,
537: const struct grid_cell *src)
538: {
1.52 nicm 539: if (s->sel == NULL || s->sel->hidden)
1.43 nicm 540: return;
541:
1.52 nicm 542: memcpy(dst, &s->sel->cell, sizeof *dst);
1.43 nicm 543:
544: utf8_copy(&dst->data, &src->data);
545: dst->attr = dst->attr & ~GRID_ATTR_CHARSET;
546: dst->attr |= src->attr & GRID_ATTR_CHARSET;
547: dst->flags = src->flags;
1.24 nicm 548: }
549:
550: /* Reflow wrapped lines. */
1.42 nicm 551: static void
1.67 nicm 552: screen_reflow(struct screen *s, u_int new_x, u_int *cx, u_int *cy, int cursor)
1.24 nicm 553: {
1.62 nicm 554: u_int wx, wy;
1.54 nicm 555:
1.67 nicm 556: if (cursor) {
557: grid_wrap_position(s->grid, *cx, *cy, &wx, &wy);
558: log_debug("%s: cursor %u,%u is %u,%u", __func__, *cx, *cy, wx,
559: wy);
560: }
1.54 nicm 561:
562: grid_reflow(s->grid, new_x);
563:
1.67 nicm 564: if (cursor) {
565: grid_unwrap_position(s->grid, cx, cy, wx, wy);
566: log_debug("%s: new cursor is %u,%u", __func__, *cx, *cy);
567: }
568: else {
569: *cx = 0;
570: *cy = s->grid->hsize;
571: }
1.59 nicm 572: }
573:
574: /*
575: * Enter alternative screen mode. A copy of the visible screen is saved and the
576: * history is not updated.
577: */
578: void
579: screen_alternate_on(struct screen *s, struct grid_cell *gc, int cursor)
580: {
581: u_int sx, sy;
582:
583: if (s->saved_grid != NULL)
584: return;
585: sx = screen_size_x(s);
586: sy = screen_size_y(s);
587:
588: s->saved_grid = grid_create(sx, sy, 0);
589: grid_duplicate_lines(s->saved_grid, 0, s->grid, screen_hsize(s), sy);
590: if (cursor) {
591: s->saved_cx = s->cx;
592: s->saved_cy = s->cy;
593: }
594: memcpy(&s->saved_cell, gc, sizeof s->saved_cell);
595:
596: grid_view_clear(s->grid, 0, 0, sx, sy, 8);
597:
1.60 nicm 598: s->saved_flags = s->grid->flags;
1.59 nicm 599: s->grid->flags &= ~GRID_HISTORY;
600: }
601:
602: /* Exit alternate screen mode and restore the copied grid. */
603: void
604: screen_alternate_off(struct screen *s, struct grid_cell *gc, int cursor)
605: {
1.69 nicm 606: u_int sx = screen_size_x(s), sy = screen_size_y(s);
607:
608: /*
609: * If the current size is different, temporarily resize to the old size
610: * before copying back.
611: */
612: if (s->saved_grid != NULL)
613: screen_resize(s, s->saved_grid->sx, s->saved_grid->sy, 1);
1.59 nicm 614:
615: /*
616: * Restore the cursor position and cell. This happens even if not
617: * currently in the alternate screen.
618: */
619: if (cursor && s->saved_cx != UINT_MAX && s->saved_cy != UINT_MAX) {
620: s->cx = s->saved_cx;
621: s->cy = s->saved_cy;
622: if (gc != NULL)
623: memcpy(gc, &s->saved_cell, sizeof *gc);
624: }
625:
1.69 nicm 626: /* If not in the alternate screen, do nothing more. */
627: if (s->saved_grid == NULL) {
628: if (s->cx > screen_size_x(s) - 1)
629: s->cx = screen_size_x(s) - 1;
630: if (s->cy > screen_size_y(s) - 1)
631: s->cy = screen_size_y(s) - 1;
1.59 nicm 632: return;
1.69 nicm 633: }
1.59 nicm 634:
635: /* Restore the saved grid. */
1.69 nicm 636: grid_duplicate_lines(s->grid, screen_hsize(s), s->saved_grid, 0,
637: s->saved_grid->sy);
1.59 nicm 638:
639: /*
640: * Turn history back on (so resize can use it) and then resize back to
641: * the current size.
642: */
1.60 nicm 643: if (s->saved_flags & GRID_HISTORY)
644: s->grid->flags |= GRID_HISTORY;
1.69 nicm 645: screen_resize(s, sx, sy, 1);
1.59 nicm 646:
647: grid_destroy(s->saved_grid);
648: s->saved_grid = NULL;
1.69 nicm 649:
650: if (s->cx > screen_size_x(s) - 1)
651: s->cx = screen_size_x(s) - 1;
652: if (s->cy > screen_size_y(s) - 1)
653: s->cy = screen_size_y(s) - 1;
1.73 nicm 654: }
655:
656: /* Get mode as a string. */
657: const char *
658: screen_mode_to_string(int mode)
659: {
660: static char tmp[1024];
661:
662: if (mode == 0)
663: return "NONE";
664: if (mode == ALL_MODES)
665: return "ALL";
666:
667: *tmp = '\0';
668: if (mode & MODE_CURSOR)
669: strlcat(tmp, "CURSOR,", sizeof tmp);
670: if (mode & MODE_INSERT)
671: strlcat(tmp, "INSERT,", sizeof tmp);
672: if (mode & MODE_KCURSOR)
673: strlcat(tmp, "KCURSOR,", sizeof tmp);
674: if (mode & MODE_KKEYPAD)
675: strlcat(tmp, "KKEYPAD,", sizeof tmp);
676: if (mode & MODE_WRAP)
677: strlcat(tmp, "WRAP,", sizeof tmp);
678: if (mode & MODE_MOUSE_STANDARD)
1.75 nicm 679: strlcat(tmp, "MOUSE_STANDARD,", sizeof tmp);
1.73 nicm 680: if (mode & MODE_MOUSE_BUTTON)
1.75 nicm 681: strlcat(tmp, "MOUSE_BUTTON,", sizeof tmp);
1.76 nicm 682: if (mode & MODE_CURSOR_BLINKING)
683: strlcat(tmp, "CURSOR_BLINKING,", sizeof tmp);
684: if (mode & MODE_CURSOR_VERY_VISIBLE)
685: strlcat(tmp, "CURSOR_VERY_VISIBLE,", sizeof tmp);
1.73 nicm 686: if (mode & MODE_MOUSE_UTF8)
687: strlcat(tmp, "UTF8,", sizeof tmp);
688: if (mode & MODE_MOUSE_SGR)
689: strlcat(tmp, "SGR,", sizeof tmp);
690: if (mode & MODE_BRACKETPASTE)
691: strlcat(tmp, "BRACKETPASTE,", sizeof tmp);
692: if (mode & MODE_FOCUSON)
693: strlcat(tmp, "FOCUSON,", sizeof tmp);
694: if (mode & MODE_MOUSE_ALL)
1.75 nicm 695: strlcat(tmp, "MOUSE_ALL,", sizeof tmp);
1.73 nicm 696: if (mode & MODE_ORIGIN)
697: strlcat(tmp, "ORIGIN,", sizeof tmp);
698: if (mode & MODE_CRLF)
699: strlcat(tmp, "CRLF,", sizeof tmp);
700: if (mode & MODE_KEXTENDED)
701: strlcat(tmp, "KEXTENDED,", sizeof tmp);
1.74 nicm 702: tmp[strlen(tmp) - 1] = '\0';
1.73 nicm 703: return (tmp);
1.1 nicm 704: }
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