Annotation of src/usr.bin/tmux/screen-write.c, Revision 1.164
1.164 ! nicm 1: /* $OpenBSD: screen-write.c,v 1.163 2020/04/16 16:13:56 nicm Exp $ */
1.1 nicm 2:
3: /*
1.84 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:
1.56 nicm 21: #include <stdlib.h>
1.1 nicm 22: #include <string.h>
23:
24: #include "tmux.h"
25:
1.109 nicm 26: static void screen_write_collect_clear(struct screen_write_ctx *, u_int,
27: u_int);
28: static void screen_write_collect_scroll(struct screen_write_ctx *);
1.164 ! nicm 29: static void screen_write_collect_flush(struct screen_write_ctx *, int,
! 30: const char *);
1.87 nicm 31:
1.89 nicm 32: static int screen_write_overwrite(struct screen_write_ctx *,
33: struct grid_cell *, u_int);
1.104 nicm 34: static const struct grid_cell *screen_write_combine(struct screen_write_ctx *,
35: const struct utf8_data *, u_int *);
1.1 nicm 36:
1.88 nicm 37: static const struct grid_cell screen_write_pad_cell = {
1.155 nicm 38: { { 0 }, 0, 0, 0 }, 0, GRID_FLAG_PADDING, 0, 8, 8
1.88 nicm 39: };
40:
1.109 nicm 41: struct screen_write_collect_item {
42: u_int x;
1.118 nicm 43: int wrapped;
1.109 nicm 44:
45: u_int used;
46: char data[256];
47:
48: struct grid_cell gc;
49:
1.126 nicm 50: TAILQ_ENTRY(screen_write_collect_item) entry;
1.109 nicm 51: };
52: struct screen_write_collect_line {
53: TAILQ_HEAD(, screen_write_collect_item) items;
54: };
1.92 nicm 55:
1.139 nicm 56: static void
57: screen_write_offset_timer(__unused int fd, __unused short events, void *data)
58: {
59: struct window *w = data;
60:
61: tty_update_window_offset(w);
62: }
63:
64: /* Set cursor position. */
65: static void
66: screen_write_set_cursor(struct screen_write_ctx *ctx, int cx, int cy)
67: {
68: struct window_pane *wp = ctx->wp;
69: struct window *w;
70: struct screen *s = ctx->s;
71: struct timeval tv = { .tv_usec = 10000 };
72:
73: if (cx != -1 && (u_int)cx == s->cx && cy != -1 && (u_int)cy == s->cy)
74: return;
75:
1.144 nicm 76: if (cx != -1) {
1.145 nicm 77: if ((u_int)cx > screen_size_x(s)) /* allow last column */
1.144 nicm 78: cx = screen_size_x(s) - 1;
1.139 nicm 79: s->cx = cx;
1.144 nicm 80: }
81: if (cy != -1) {
82: if ((u_int)cy > screen_size_y(s) - 1)
83: cy = screen_size_y(s) - 1;
1.139 nicm 84: s->cy = cy;
1.144 nicm 85: }
1.139 nicm 86:
87: if (wp == NULL)
88: return;
89: w = wp->window;
90:
91: if (!event_initialized(&w->offset_timer))
92: evtimer_set(&w->offset_timer, screen_write_offset_timer, w);
93: if (!evtimer_pending(&w->offset_timer, NULL))
94: evtimer_add(&w->offset_timer, &tv);
95: }
96:
1.163 nicm 97: /* Set up context for TTY command. */
98: static void
99: screen_write_initctx(struct screen_write_ctx *ctx, struct tty_ctx *ttyctx,
100: int sync)
101: {
102: struct screen *s = ctx->s;
103:
104: memset(ttyctx, 0, sizeof *ttyctx);
105:
106: ttyctx->wp = ctx->wp;
107:
108: ttyctx->ocx = s->cx;
109: ttyctx->ocy = s->cy;
110:
111: ttyctx->orlower = s->rlower;
112: ttyctx->orupper = s->rupper;
113:
114: if (sync && !ctx->sync && ttyctx->wp != NULL) {
115: log_debug("%s: starting sync", __func__);
116: tty_write(tty_cmd_syncstart, ttyctx);
117: ctx->sync = 1;
118: }
119: }
120:
1.92 nicm 121: /* Initialize writing with a window. */
1.1 nicm 122: void
1.71 nicm 123: screen_write_start(struct screen_write_ctx *ctx, struct window_pane *wp,
124: struct screen *s)
1.1 nicm 125: {
1.163 nicm 126: u_int y;
1.109 nicm 127:
128: memset(ctx, 0, sizeof *ctx);
1.92 nicm 129:
1.1 nicm 130: ctx->wp = wp;
131: if (wp != NULL && s == NULL)
132: ctx->s = wp->screen;
133: else
134: ctx->s = s;
1.92 nicm 135:
1.109 nicm 136: ctx->list = xcalloc(screen_size_y(ctx->s), sizeof *ctx->list);
137: for (y = 0; y < screen_size_y(ctx->s); y++)
138: TAILQ_INIT(&ctx->list[y].items);
139: ctx->item = xcalloc(1, sizeof *ctx->item);
1.92 nicm 140:
1.122 nicm 141: ctx->scrolled = 0;
142: ctx->bg = 8;
143:
1.158 nicm 144: if (log_get_level() != 0) {
145: if (wp != NULL) {
146: log_debug("%s: size %ux%u, pane %%%u (at %u,%u)",
147: __func__, screen_size_x(ctx->s),
148: screen_size_y(ctx->s), wp->id, wp->xoff, wp->yoff);
149: } else {
150: log_debug("%s: size %ux%u, no pane",
151: __func__, screen_size_x(ctx->s),
152: screen_size_y(ctx->s));
153: }
1.139 nicm 154: }
1.1 nicm 155: }
156:
157: /* Finish writing. */
158: void
1.92 nicm 159: screen_write_stop(struct screen_write_ctx *ctx)
160: {
1.162 nicm 161: struct tty_ctx ttyctx;
162:
1.109 nicm 163: screen_write_collect_end(ctx);
1.164 ! nicm 164: screen_write_collect_flush(ctx, 0, __func__);
1.92 nicm 165:
1.109 nicm 166: log_debug("%s: %u cells (%u written, %u skipped)", __func__,
167: ctx->cells, ctx->written, ctx->skipped);
1.162 nicm 168:
1.163 nicm 169: if (ctx->sync) {
170: screen_write_initctx(ctx, &ttyctx, 0);
171: tty_write(tty_cmd_syncend, &ttyctx);
172: log_debug("%s: ending sync", __func__);
173: }
1.92 nicm 174:
1.109 nicm 175: free(ctx->item);
176: free(ctx->list); /* flush will have emptied */
1.52 nicm 177: }
178:
179: /* Reset screen state. */
180: void
181: screen_write_reset(struct screen_write_ctx *ctx)
182: {
1.61 nicm 183: struct screen *s = ctx->s;
1.52 nicm 184:
1.61 nicm 185: screen_reset_tabs(s);
186: screen_write_scrollregion(ctx, 0, screen_size_y(s) - 1);
1.63 nicm 187:
1.141 nicm 188: s->mode = MODE_CURSOR | MODE_WRAP;
1.52 nicm 189:
1.99 nicm 190: screen_write_clearscreen(ctx, 8);
1.144 nicm 191: screen_write_set_cursor(ctx, 0, 0);
1.1 nicm 192: }
193:
194: /* Write character. */
195: void
1.86 nicm 196: screen_write_putc(struct screen_write_ctx *ctx, const struct grid_cell *gcp,
1.69 nicm 197: u_char ch)
1.1 nicm 198: {
1.86 nicm 199: struct grid_cell gc;
200:
201: memcpy(&gc, gcp, sizeof gc);
202:
203: utf8_set(&gc.data, ch);
204: screen_write_cell(ctx, &gc);
1.1 nicm 205: }
206:
1.2 nicm 207: /* Calculate string length. */
1.71 nicm 208: size_t
1.75 nicm 209: screen_write_strlen(const char *fmt, ...)
1.2 nicm 210: {
1.36 nicm 211: va_list ap;
212: char *msg;
1.76 nicm 213: struct utf8_data ud;
1.36 nicm 214: u_char *ptr;
215: size_t left, size = 0;
1.79 nicm 216: enum utf8_state more;
1.2 nicm 217:
218: va_start(ap, fmt);
219: xvasprintf(&msg, fmt, ap);
220: va_end(ap);
221:
222: ptr = msg;
223: while (*ptr != '\0') {
1.79 nicm 224: if (*ptr > 0x7f && utf8_open(&ud, *ptr) == UTF8_MORE) {
1.36 nicm 225: ptr++;
1.2 nicm 226:
227: left = strlen(ptr);
1.77 nicm 228: if (left < (size_t)ud.size - 1)
1.36 nicm 229: break;
1.79 nicm 230: while ((more = utf8_append(&ud, *ptr)) == UTF8_MORE)
1.2 nicm 231: ptr++;
1.36 nicm 232: ptr++;
233:
1.79 nicm 234: if (more == UTF8_DONE)
1.78 nicm 235: size += ud.width;
1.2 nicm 236: } else {
1.75 nicm 237: if (*ptr > 0x1f && *ptr < 0x7f)
238: size++;
1.2 nicm 239: ptr++;
240: }
1.7 ray 241: }
1.2 nicm 242:
1.56 nicm 243: free(msg);
1.2 nicm 244: return (size);
245: }
246:
1.3 nicm 247: /* Write simple string (no UTF-8 or maximum length). */
1.71 nicm 248: void
1.86 nicm 249: screen_write_puts(struct screen_write_ctx *ctx, const struct grid_cell *gcp,
1.71 nicm 250: const char *fmt, ...)
1.1 nicm 251: {
252: va_list ap;
253:
254: va_start(ap, fmt);
1.86 nicm 255: screen_write_vnputs(ctx, -1, gcp, fmt, ap);
1.2 nicm 256: va_end(ap);
257: }
258:
259: /* Write string with length limit (-1 for unlimited). */
1.71 nicm 260: void
261: screen_write_nputs(struct screen_write_ctx *ctx, ssize_t maxlen,
1.86 nicm 262: const struct grid_cell *gcp, const char *fmt, ...)
1.2 nicm 263: {
264: va_list ap;
265:
266: va_start(ap, fmt);
1.86 nicm 267: screen_write_vnputs(ctx, maxlen, gcp, fmt, ap);
1.2 nicm 268: va_end(ap);
269: }
270:
271: void
1.3 nicm 272: screen_write_vnputs(struct screen_write_ctx *ctx, ssize_t maxlen,
1.86 nicm 273: const struct grid_cell *gcp, const char *fmt, va_list ap)
1.2 nicm 274: {
1.86 nicm 275: struct grid_cell gc;
276: struct utf8_data *ud = &gc.data;
1.36 nicm 277: char *msg;
278: u_char *ptr;
279: size_t left, size = 0;
1.79 nicm 280: enum utf8_state more;
1.2 nicm 281:
1.86 nicm 282: memcpy(&gc, gcp, sizeof gc);
1.1 nicm 283: xvasprintf(&msg, fmt, ap);
284:
1.2 nicm 285: ptr = msg;
286: while (*ptr != '\0') {
1.86 nicm 287: if (*ptr > 0x7f && utf8_open(ud, *ptr) == UTF8_MORE) {
1.36 nicm 288: ptr++;
1.2 nicm 289:
290: left = strlen(ptr);
1.86 nicm 291: if (left < (size_t)ud->size - 1)
1.36 nicm 292: break;
1.86 nicm 293: while ((more = utf8_append(ud, *ptr)) == UTF8_MORE)
1.2 nicm 294: ptr++;
1.36 nicm 295: ptr++;
1.7 ray 296:
1.86 nicm 297: if (more != UTF8_DONE)
298: continue;
299: if (maxlen > 0 && size + ud->width > (size_t)maxlen) {
300: while (size < (size_t)maxlen) {
301: screen_write_putc(ctx, &gc, ' ');
302: size++;
1.2 nicm 303: }
1.86 nicm 304: break;
1.2 nicm 305: }
1.86 nicm 306: size += ud->width;
307: screen_write_cell(ctx, &gc);
1.2 nicm 308: } else {
1.86 nicm 309: if (maxlen > 0 && size + 1 > (size_t)maxlen)
1.2 nicm 310: break;
311:
1.57 nicm 312: if (*ptr == '\001')
1.86 nicm 313: gc.attr ^= GRID_ATTR_CHARSET;
1.75 nicm 314: else if (*ptr > 0x1f && *ptr < 0x7f) {
1.57 nicm 315: size++;
1.86 nicm 316: screen_write_putc(ctx, &gc, *ptr);
1.75 nicm 317: }
1.24 nicm 318: ptr++;
319: }
320: }
321:
1.56 nicm 322: free(msg);
1.1 nicm 323: }
324:
1.132 nicm 325: /* Copy from another screen. Assumes target region is big enough. */
1.1 nicm 326: void
1.95 nicm 327: screen_write_copy(struct screen_write_ctx *ctx, struct screen *src, u_int px,
1.132 nicm 328: u_int py, u_int nx, u_int ny, bitstr_t *mbs, const struct grid_cell *mgc)
1.1 nicm 329: {
330: struct screen *s = ctx->s;
331: struct grid *gd = src->grid;
1.77 nicm 332: struct grid_cell gc;
1.102 nicm 333: u_int xx, yy, cx, cy, b;
1.1 nicm 334:
1.125 nicm 335: if (nx == 0 || ny == 0)
336: return;
337:
1.1 nicm 338: cx = s->cx;
339: cy = s->cy;
1.96 nicm 340:
1.1 nicm 341: for (yy = py; yy < py + ny; yy++) {
1.96 nicm 342: for (xx = px; xx < px + nx; xx++) {
343: grid_get_cell(gd, xx, yy, &gc);
1.132 nicm 344: if (mbs != NULL) {
1.102 nicm 345: b = (yy * screen_size_x(src)) + xx;
1.132 nicm 346: if (bit_test(mbs, b)) {
347: gc.attr = mgc->attr;
348: gc.fg = mgc->fg;
349: gc.bg = mgc->bg;
1.102 nicm 350: }
351: }
1.135 nicm 352: if (xx + gc.data.width <= px + nx)
353: screen_write_cell(ctx, &gc);
1.96 nicm 354: }
1.132 nicm 355: cy++;
1.144 nicm 356: screen_write_set_cursor(ctx, cx, cy);
1.132 nicm 357: }
358: }
359:
360: /*
361: * Copy from another screen but without the selection stuff. Also assumes the
1.150 nicm 362: * target region is already big enough.
1.132 nicm 363: */
364: void
365: screen_write_fast_copy(struct screen_write_ctx *ctx, struct screen *src,
366: u_int px, u_int py, u_int nx, u_int ny)
367: {
368: struct screen *s = ctx->s;
369: struct grid *gd = src->grid;
370: struct grid_cell gc;
371: u_int xx, yy, cx, cy;
1.96 nicm 372:
1.132 nicm 373: if (nx == 0 || ny == 0)
374: return;
375:
376: cy = s->cy;
377: for (yy = py; yy < py + ny; yy++) {
1.134 nicm 378: if (yy >= gd->hsize + gd->sy)
379: break;
1.132 nicm 380: cx = s->cx;
381: for (xx = px; xx < px + nx; xx++) {
1.137 nicm 382: if (xx >= grid_get_line(gd, yy)->cellsize)
1.132 nicm 383: break;
384: grid_get_cell(gd, xx, yy, &gc);
1.135 nicm 385: if (xx + gc.data.width > px + nx)
386: break;
1.150 nicm 387: grid_view_set_cell(ctx->s->grid, cx, cy, &gc);
1.132 nicm 388: cx++;
389: }
1.1 nicm 390: cy++;
1.125 nicm 391: }
392: }
393:
1.129 nicm 394: /* Draw a horizontal line on screen. */
1.125 nicm 395: void
1.129 nicm 396: screen_write_hline(struct screen_write_ctx *ctx, u_int nx, int left, int right)
1.125 nicm 397: {
398: struct screen *s = ctx->s;
399: struct grid_cell gc;
400: u_int cx, cy, i;
401:
402: cx = s->cx;
403: cy = s->cy;
404:
405: memcpy(&gc, &grid_default_cell, sizeof gc);
406: gc.attr |= GRID_ATTR_CHARSET;
407:
408: screen_write_putc(ctx, &gc, left ? 't' : 'q');
409: for (i = 1; i < nx - 1; i++)
410: screen_write_putc(ctx, &gc, 'q');
411: screen_write_putc(ctx, &gc, right ? 'u' : 'q');
1.129 nicm 412:
1.144 nicm 413: screen_write_set_cursor(ctx, cx, cy);
1.129 nicm 414: }
415:
416: /* Draw a horizontal line on screen. */
417: void
1.130 nicm 418: screen_write_vline(struct screen_write_ctx *ctx, u_int ny, int top, int bottom)
1.129 nicm 419: {
420: struct screen *s = ctx->s;
421: struct grid_cell gc;
422: u_int cx, cy, i;
423:
424: cx = s->cx;
425: cy = s->cy;
426:
427: memcpy(&gc, &grid_default_cell, sizeof gc);
428: gc.attr |= GRID_ATTR_CHARSET;
429:
430: screen_write_putc(ctx, &gc, top ? 'w' : 'x');
431: for (i = 1; i < ny - 1; i++) {
1.144 nicm 432: screen_write_set_cursor(ctx, cx, cy + i);
1.129 nicm 433: screen_write_putc(ctx, &gc, 'x');
434: }
1.144 nicm 435: screen_write_set_cursor(ctx, cx, cy + ny - 1);
1.129 nicm 436: screen_write_putc(ctx, &gc, bottom ? 'v' : 'x');
1.152 nicm 437:
438: screen_write_set_cursor(ctx, cx, cy);
439: }
440:
441: /* Draw a menu on screen. */
442: void
1.161 nicm 443: screen_write_menu(struct screen_write_ctx *ctx, struct menu *menu,
444: int choice, const struct grid_cell *choice_gc)
1.152 nicm 445: {
446: struct screen *s = ctx->s;
1.161 nicm 447: struct grid_cell default_gc;
448: const struct grid_cell *gc = &default_gc;
1.152 nicm 449: u_int cx, cy, i, j;
1.153 nicm 450: const char *name;
1.152 nicm 451:
452: cx = s->cx;
453: cy = s->cy;
454:
1.161 nicm 455: memcpy(&default_gc, &grid_default_cell, sizeof default_gc);
1.152 nicm 456:
457: screen_write_box(ctx, menu->width + 4, menu->count + 2);
458: screen_write_cursormove(ctx, cx + 2, cy, 0);
1.161 nicm 459: format_draw(ctx, &default_gc, menu->width, menu->title, NULL);
1.152 nicm 460:
461: for (i = 0; i < menu->count; i++) {
1.153 nicm 462: name = menu->items[i].name;
463: if (name == NULL) {
1.152 nicm 464: screen_write_cursormove(ctx, cx, cy + 1 + i, 0);
465: screen_write_hline(ctx, menu->width + 4, 1, 1);
466: } else {
1.153 nicm 467: if (choice >= 0 && i == (u_int)choice && *name != '-')
1.161 nicm 468: gc = choice_gc;
1.152 nicm 469: screen_write_cursormove(ctx, cx + 2, cy + 1 + i, 0);
470: for (j = 0; j < menu->width; j++)
1.161 nicm 471: screen_write_putc(ctx, gc, ' ');
1.152 nicm 472: screen_write_cursormove(ctx, cx + 2, cy + 1 + i, 0);
1.153 nicm 473: if (*name == '-') {
474: name++;
1.161 nicm 475: default_gc.attr |= GRID_ATTR_DIM;
476: format_draw(ctx, gc, menu->width, name, NULL);
477: default_gc.attr &= ~GRID_ATTR_DIM;
1.153 nicm 478: } else
1.161 nicm 479: format_draw(ctx, gc, menu->width, name, NULL);
480: gc = &default_gc;
1.152 nicm 481: }
482: }
1.125 nicm 483:
1.144 nicm 484: screen_write_set_cursor(ctx, cx, cy);
1.125 nicm 485: }
486:
487: /* Draw a box on screen. */
488: void
489: screen_write_box(struct screen_write_ctx *ctx, u_int nx, u_int ny)
490: {
491: struct screen *s = ctx->s;
492: struct grid_cell gc;
493: u_int cx, cy, i;
494:
495: cx = s->cx;
496: cy = s->cy;
497:
498: memcpy(&gc, &grid_default_cell, sizeof gc);
499: gc.attr |= GRID_ATTR_CHARSET;
500:
501: screen_write_putc(ctx, &gc, 'l');
502: for (i = 1; i < nx - 1; i++)
503: screen_write_putc(ctx, &gc, 'q');
504: screen_write_putc(ctx, &gc, 'k');
505:
1.144 nicm 506: screen_write_set_cursor(ctx, cx, cy + ny - 1);
1.125 nicm 507: screen_write_putc(ctx, &gc, 'm');
508: for (i = 1; i < nx - 1; i++)
509: screen_write_putc(ctx, &gc, 'q');
510: screen_write_putc(ctx, &gc, 'j');
511:
512: for (i = 1; i < ny - 1; i++) {
1.144 nicm 513: screen_write_set_cursor(ctx, cx, cy + i);
1.125 nicm 514: screen_write_putc(ctx, &gc, 'x');
515: }
516: for (i = 1; i < ny - 1; i++) {
1.144 nicm 517: screen_write_set_cursor(ctx, cx + nx - 1, cy + i);
1.125 nicm 518: screen_write_putc(ctx, &gc, 'x');
519: }
520:
1.144 nicm 521: screen_write_set_cursor(ctx, cx, cy);
1.125 nicm 522: }
523:
1.132 nicm 524: /*
525: * Write a preview version of a window. Assumes target area is big enough and
526: * already cleared.
527: */
1.125 nicm 528: void
529: screen_write_preview(struct screen_write_ctx *ctx, struct screen *src, u_int nx,
530: u_int ny)
531: {
532: struct screen *s = ctx->s;
533: struct grid_cell gc;
534: u_int cx, cy, px, py;
535:
536: cx = s->cx;
537: cy = s->cy;
538:
539: /*
540: * If the cursor is on, pick the area around the cursor, otherwise use
541: * the top left.
542: */
543: if (src->mode & MODE_CURSOR) {
544: px = src->cx;
545: if (px < nx / 3)
546: px = 0;
547: else
548: px = px - nx / 3;
549: if (px + nx > screen_size_x(src)) {
550: if (nx > screen_size_x(src))
551: px = 0;
552: else
553: px = screen_size_x(src) - nx;
554: }
555: py = src->cy;
556: if (py < ny / 3)
557: py = 0;
558: else
559: py = py - ny / 3;
560: if (py + ny > screen_size_y(src)) {
561: if (ny > screen_size_y(src))
562: py = 0;
563: else
564: py = screen_size_y(src) - ny;
565: }
566: } else {
567: px = 0;
568: py = 0;
569: }
570:
1.132 nicm 571: screen_write_fast_copy(ctx, src, px, src->grid->hsize + py, nx, ny);
1.125 nicm 572:
573: if (src->mode & MODE_CURSOR) {
574: grid_view_get_cell(src->grid, src->cx, src->cy, &gc);
575: gc.attr |= GRID_ATTR_REVERSE;
1.144 nicm 576: screen_write_set_cursor(ctx, cx + (src->cx - px),
1.125 nicm 577: cy + (src->cy - py));
578: screen_write_cell(ctx, &gc);
1.1 nicm 579: }
580: }
581:
1.61 nicm 582: /* Set a mode. */
583: void
584: screen_write_mode_set(struct screen_write_ctx *ctx, int mode)
585: {
586: struct screen *s = ctx->s;
587:
588: s->mode |= mode;
589: }
590:
591: /* Clear a mode. */
592: void
593: screen_write_mode_clear(struct screen_write_ctx *ctx, int mode)
594: {
595: struct screen *s = ctx->s;
596:
597: s->mode &= ~mode;
598: }
599:
1.1 nicm 600: /* Cursor up by ny. */
601: void
602: screen_write_cursorup(struct screen_write_ctx *ctx, u_int ny)
603: {
604: struct screen *s = ctx->s;
1.139 nicm 605: u_int cx = s->cx, cy = s->cy;
1.1 nicm 606:
607: if (ny == 0)
608: ny = 1;
609:
1.139 nicm 610: if (cy < s->rupper) {
1.12 nicm 611: /* Above region. */
1.139 nicm 612: if (ny > cy)
613: ny = cy;
1.12 nicm 614: } else {
615: /* Below region. */
1.139 nicm 616: if (ny > cy - s->rupper)
617: ny = cy - s->rupper;
1.12 nicm 618: }
1.139 nicm 619: if (cx == screen_size_x(s))
620: cx--;
621:
622: cy -= ny;
1.1 nicm 623:
1.139 nicm 624: screen_write_set_cursor(ctx, cx, cy);
1.1 nicm 625: }
626:
627: /* Cursor down by ny. */
628: void
629: screen_write_cursordown(struct screen_write_ctx *ctx, u_int ny)
630: {
631: struct screen *s = ctx->s;
1.139 nicm 632: u_int cx = s->cx, cy = s->cy;
1.1 nicm 633:
634: if (ny == 0)
635: ny = 1;
636:
1.139 nicm 637: if (cy > s->rlower) {
1.12 nicm 638: /* Below region. */
1.139 nicm 639: if (ny > screen_size_y(s) - 1 - cy)
640: ny = screen_size_y(s) - 1 - cy;
1.12 nicm 641: } else {
642: /* Above region. */
1.139 nicm 643: if (ny > s->rlower - cy)
644: ny = s->rlower - cy;
1.12 nicm 645: }
1.139 nicm 646: if (cx == screen_size_x(s))
647: cx--;
648: else if (ny == 0)
1.1 nicm 649: return;
650:
1.139 nicm 651: cy += ny;
652:
653: screen_write_set_cursor(ctx, cx, cy);
1.1 nicm 654: }
655:
1.101 nicm 656: /* Cursor right by nx. */
1.1 nicm 657: void
658: screen_write_cursorright(struct screen_write_ctx *ctx, u_int nx)
659: {
660: struct screen *s = ctx->s;
1.139 nicm 661: u_int cx = s->cx, cy = s->cy;
1.1 nicm 662:
663: if (nx == 0)
664: nx = 1;
665:
1.139 nicm 666: if (nx > screen_size_x(s) - 1 - cx)
667: nx = screen_size_x(s) - 1 - cx;
1.1 nicm 668: if (nx == 0)
669: return;
670:
1.139 nicm 671: cx += nx;
672:
673: screen_write_set_cursor(ctx, cx, cy);
1.1 nicm 674: }
675:
676: /* Cursor left by nx. */
677: void
678: screen_write_cursorleft(struct screen_write_ctx *ctx, u_int nx)
679: {
680: struct screen *s = ctx->s;
1.139 nicm 681: u_int cx = s->cx, cy = s->cy;
1.1 nicm 682:
683: if (nx == 0)
684: nx = 1;
685:
1.139 nicm 686: if (nx > cx)
687: nx = cx;
1.1 nicm 688: if (nx == 0)
689: return;
690:
1.139 nicm 691: cx -= nx;
692:
693: screen_write_set_cursor(ctx, cx, cy);
1.5 nicm 694: }
695:
1.29 nicm 696: /* Backspace; cursor left unless at start of wrapped line when can move up. */
697: void
698: screen_write_backspace(struct screen_write_ctx *ctx)
699: {
700: struct screen *s = ctx->s;
701: struct grid_line *gl;
1.139 nicm 702: u_int cx = s->cx, cy = s->cy;
1.29 nicm 703:
1.139 nicm 704: if (cx == 0) {
705: if (cy == 0)
1.29 nicm 706: return;
1.139 nicm 707: gl = grid_get_line(s->grid, s->grid->hsize + cy - 1);
1.29 nicm 708: if (gl->flags & GRID_LINE_WRAPPED) {
1.139 nicm 709: cy--;
710: cx = screen_size_x(s) - 1;
1.29 nicm 711: }
712: } else
1.139 nicm 713: cx--;
714:
715: screen_write_set_cursor(ctx, cx, cy);
1.29 nicm 716: }
717:
1.5 nicm 718: /* VT100 alignment test. */
719: void
720: screen_write_alignmenttest(struct screen_write_ctx *ctx)
721: {
722: struct screen *s = ctx->s;
1.17 nicm 723: struct tty_ctx ttyctx;
1.5 nicm 724: struct grid_cell gc;
725: u_int xx, yy;
726:
727: memcpy(&gc, &grid_default_cell, sizeof gc);
1.77 nicm 728: utf8_set(&gc.data, 'E');
1.7 ray 729:
1.5 nicm 730: for (yy = 0; yy < screen_size_y(s); yy++) {
731: for (xx = 0; xx < screen_size_x(s); xx++)
732: grid_view_set_cell(s->grid, xx, yy, &gc);
733: }
1.7 ray 734:
1.139 nicm 735: screen_write_set_cursor(ctx, 0, 0);
1.5 nicm 736:
737: s->rupper = 0;
738: s->rlower = screen_size_y(s) - 1;
1.143 nicm 739:
1.163 nicm 740: screen_write_initctx(ctx, &ttyctx, 1);
1.5 nicm 741:
1.109 nicm 742: screen_write_collect_clear(ctx, 0, screen_size_y(s) - 1);
1.17 nicm 743: tty_write(tty_cmd_alignmenttest, &ttyctx);
1.1 nicm 744: }
745:
746: /* Insert nx characters. */
747: void
1.99 nicm 748: screen_write_insertcharacter(struct screen_write_ctx *ctx, u_int nx, u_int bg)
1.1 nicm 749: {
750: struct screen *s = ctx->s;
1.17 nicm 751: struct tty_ctx ttyctx;
1.1 nicm 752:
753: if (nx == 0)
754: nx = 1;
755:
1.9 nicm 756: if (nx > screen_size_x(s) - s->cx)
757: nx = screen_size_x(s) - s->cx;
1.1 nicm 758: if (nx == 0)
759: return;
760:
1.107 nicm 761: if (s->cx > screen_size_x(s) - 1)
762: return;
763:
1.163 nicm 764: screen_write_initctx(ctx, &ttyctx, 0);
1.107 nicm 765: ttyctx.bg = bg;
1.1 nicm 766:
1.107 nicm 767: grid_view_insert_cells(s->grid, s->cx, s->cy, nx, bg);
1.1 nicm 768:
1.164 ! nicm 769: screen_write_collect_flush(ctx, 0, __func__);
1.17 nicm 770: ttyctx.num = nx;
771: tty_write(tty_cmd_insertcharacter, &ttyctx);
1.1 nicm 772: }
773:
774: /* Delete nx characters. */
775: void
1.99 nicm 776: screen_write_deletecharacter(struct screen_write_ctx *ctx, u_int nx, u_int bg)
1.1 nicm 777: {
778: struct screen *s = ctx->s;
1.17 nicm 779: struct tty_ctx ttyctx;
1.1 nicm 780:
781: if (nx == 0)
782: nx = 1;
783:
1.9 nicm 784: if (nx > screen_size_x(s) - s->cx)
785: nx = screen_size_x(s) - s->cx;
1.1 nicm 786: if (nx == 0)
787: return;
788:
1.107 nicm 789: if (s->cx > screen_size_x(s) - 1)
790: return;
791:
1.163 nicm 792: screen_write_initctx(ctx, &ttyctx, 0);
1.107 nicm 793: ttyctx.bg = bg;
1.1 nicm 794:
1.107 nicm 795: grid_view_delete_cells(s->grid, s->cx, s->cy, nx, bg);
1.1 nicm 796:
1.164 ! nicm 797: screen_write_collect_flush(ctx, 0, __func__);
1.17 nicm 798: ttyctx.num = nx;
799: tty_write(tty_cmd_deletecharacter, &ttyctx);
1.59 nicm 800: }
801:
802: /* Clear nx characters. */
803: void
1.121 nicm 804: screen_write_clearcharacter(struct screen_write_ctx *ctx, u_int nx, u_int bg)
1.59 nicm 805: {
806: struct screen *s = ctx->s;
807: struct tty_ctx ttyctx;
808:
809: if (nx == 0)
810: nx = 1;
811:
812: if (nx > screen_size_x(s) - s->cx)
813: nx = screen_size_x(s) - s->cx;
814: if (nx == 0)
815: return;
816:
1.107 nicm 817: if (s->cx > screen_size_x(s) - 1)
818: return;
819:
1.163 nicm 820: screen_write_initctx(ctx, &ttyctx, 0);
1.121 nicm 821: ttyctx.bg = bg;
1.59 nicm 822:
1.124 nicm 823: grid_view_clear(s->grid, s->cx, s->cy, nx, 1, bg);
1.59 nicm 824:
1.164 ! nicm 825: screen_write_collect_flush(ctx, 0, __func__);
1.59 nicm 826: ttyctx.num = nx;
827: tty_write(tty_cmd_clearcharacter, &ttyctx);
1.1 nicm 828: }
829:
830: /* Insert ny lines. */
831: void
1.99 nicm 832: screen_write_insertline(struct screen_write_ctx *ctx, u_int ny, u_int bg)
1.1 nicm 833: {
834: struct screen *s = ctx->s;
1.107 nicm 835: struct grid *gd = s->grid;
1.17 nicm 836: struct tty_ctx ttyctx;
1.1 nicm 837:
838: if (ny == 0)
839: ny = 1;
840:
1.11 nicm 841: if (s->cy < s->rupper || s->cy > s->rlower) {
842: if (ny > screen_size_y(s) - s->cy)
843: ny = screen_size_y(s) - s->cy;
844: if (ny == 0)
845: return;
846:
1.163 nicm 847: screen_write_initctx(ctx, &ttyctx, 1);
1.107 nicm 848: ttyctx.bg = bg;
1.11 nicm 849:
1.107 nicm 850: grid_view_insert_lines(gd, s->cy, ny, bg);
1.11 nicm 851:
1.164 ! nicm 852: screen_write_collect_flush(ctx, 0, __func__);
1.17 nicm 853: ttyctx.num = ny;
854: tty_write(tty_cmd_insertline, &ttyctx);
1.11 nicm 855: return;
856: }
857:
858: if (ny > s->rlower + 1 - s->cy)
859: ny = s->rlower + 1 - s->cy;
1.1 nicm 860: if (ny == 0)
861: return;
1.41 nicm 862:
1.163 nicm 863: screen_write_initctx(ctx, &ttyctx, 1);
1.107 nicm 864: ttyctx.bg = bg;
1.1 nicm 865:
866: if (s->cy < s->rupper || s->cy > s->rlower)
1.107 nicm 867: grid_view_insert_lines(gd, s->cy, ny, bg);
868: else
869: grid_view_insert_lines_region(gd, s->rlower, s->cy, ny, bg);
1.1 nicm 870:
1.164 ! nicm 871: screen_write_collect_flush(ctx, 0, __func__);
! 872:
1.17 nicm 873: ttyctx.num = ny;
874: tty_write(tty_cmd_insertline, &ttyctx);
1.1 nicm 875: }
876:
877: /* Delete ny lines. */
878: void
1.99 nicm 879: screen_write_deleteline(struct screen_write_ctx *ctx, u_int ny, u_int bg)
1.1 nicm 880: {
881: struct screen *s = ctx->s;
1.107 nicm 882: struct grid *gd = s->grid;
1.17 nicm 883: struct tty_ctx ttyctx;
1.1 nicm 884:
885: if (ny == 0)
886: ny = 1;
887:
1.11 nicm 888: if (s->cy < s->rupper || s->cy > s->rlower) {
889: if (ny > screen_size_y(s) - s->cy)
890: ny = screen_size_y(s) - s->cy;
891: if (ny == 0)
892: return;
893:
1.163 nicm 894: screen_write_initctx(ctx, &ttyctx, 1);
1.107 nicm 895: ttyctx.bg = bg;
1.11 nicm 896:
1.107 nicm 897: grid_view_delete_lines(gd, s->cy, ny, bg);
1.11 nicm 898:
1.164 ! nicm 899: screen_write_collect_flush(ctx, 0, __func__);
1.17 nicm 900: ttyctx.num = ny;
901: tty_write(tty_cmd_deleteline, &ttyctx);
1.11 nicm 902: return;
903: }
1.41 nicm 904:
1.11 nicm 905: if (ny > s->rlower + 1 - s->cy)
906: ny = s->rlower + 1 - s->cy;
1.1 nicm 907: if (ny == 0)
908: return;
909:
1.163 nicm 910: screen_write_initctx(ctx, &ttyctx, 1);
1.107 nicm 911: ttyctx.bg = bg;
1.1 nicm 912:
913: if (s->cy < s->rupper || s->cy > s->rlower)
1.107 nicm 914: grid_view_delete_lines(gd, s->cy, ny, bg);
915: else
916: grid_view_delete_lines_region(gd, s->rlower, s->cy, ny, bg);
1.1 nicm 917:
1.164 ! nicm 918: screen_write_collect_flush(ctx, 0, __func__);
1.17 nicm 919: ttyctx.num = ny;
920: tty_write(tty_cmd_deleteline, &ttyctx);
1.1 nicm 921: }
922:
923: /* Clear line at cursor. */
924: void
1.99 nicm 925: screen_write_clearline(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 926: {
1.92 nicm 927: struct screen *s = ctx->s;
928: struct grid_line *gl;
929: struct tty_ctx ttyctx;
930: u_int sx = screen_size_x(s);
1.1 nicm 931:
1.137 nicm 932: gl = grid_get_line(s->grid, s->grid->hsize + s->cy);
1.140 nicm 933: if (gl->cellsize == 0 && COLOUR_DEFAULT(bg))
1.92 nicm 934: return;
1.1 nicm 935:
1.163 nicm 936: screen_write_initctx(ctx, &ttyctx, 1);
1.108 nicm 937: ttyctx.bg = bg;
938:
1.99 nicm 939: grid_view_clear(s->grid, 0, s->cy, sx, 1, bg);
940:
1.109 nicm 941: screen_write_collect_clear(ctx, s->cy, 1);
1.164 ! nicm 942: screen_write_collect_flush(ctx, 0, __func__);
1.17 nicm 943: tty_write(tty_cmd_clearline, &ttyctx);
1.1 nicm 944: }
945:
946: /* Clear to end of line from cursor. */
947: void
1.99 nicm 948: screen_write_clearendofline(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 949: {
1.92 nicm 950: struct screen *s = ctx->s;
951: struct grid_line *gl;
952: struct tty_ctx ttyctx;
953: u_int sx = screen_size_x(s);
1.1 nicm 954:
1.137 nicm 955: gl = grid_get_line(s->grid, s->grid->hsize + s->cy);
1.140 nicm 956: if (s->cx > sx - 1 || (s->cx >= gl->cellsize && COLOUR_DEFAULT(bg)))
1.92 nicm 957: return;
1.108 nicm 958:
1.163 nicm 959: screen_write_initctx(ctx, &ttyctx, 1);
1.108 nicm 960: ttyctx.bg = bg;
1.1 nicm 961:
1.99 nicm 962: grid_view_clear(s->grid, s->cx, s->cy, sx - s->cx, 1, bg);
963:
1.109 nicm 964: if (s->cx == 0)
965: screen_write_collect_clear(ctx, s->cy, 1);
1.164 ! nicm 966: screen_write_collect_flush(ctx, 0, __func__);
1.41 nicm 967: tty_write(tty_cmd_clearendofline, &ttyctx);
1.1 nicm 968: }
969:
970: /* Clear to start of line from cursor. */
971: void
1.99 nicm 972: screen_write_clearstartofline(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 973: {
974: struct screen *s = ctx->s;
1.17 nicm 975: struct tty_ctx ttyctx;
1.92 nicm 976: u_int sx = screen_size_x(s);
1.1 nicm 977:
1.163 nicm 978: screen_write_initctx(ctx, &ttyctx, 1);
1.99 nicm 979: ttyctx.bg = bg;
1.1 nicm 980:
1.109 nicm 981: if (s->cx > sx - 1)
1.99 nicm 982: grid_view_clear(s->grid, 0, s->cy, sx, 1, bg);
1.109 nicm 983: else
1.99 nicm 984: grid_view_clear(s->grid, 0, s->cy, s->cx + 1, 1, bg);
1.1 nicm 985:
1.109 nicm 986: if (s->cx > sx - 1)
987: screen_write_collect_clear(ctx, s->cy, 1);
1.164 ! nicm 988: screen_write_collect_flush(ctx, 0, __func__);
1.17 nicm 989: tty_write(tty_cmd_clearstartofline, &ttyctx);
1.1 nicm 990: }
991:
1.101 nicm 992: /* Move cursor to px,py. */
1.1 nicm 993: void
1.147 nicm 994: screen_write_cursormove(struct screen_write_ctx *ctx, int px, int py,
995: int origin)
1.1 nicm 996: {
997: struct screen *s = ctx->s;
998:
1.147 nicm 999: if (origin && py != -1 && (s->mode & MODE_ORIGIN)) {
1.146 nicm 1000: if ((u_int)py > s->rlower - s->rupper)
1.144 nicm 1001: py = s->rlower;
1002: else
1003: py += s->rupper;
1004: }
1.145 nicm 1005:
1.146 nicm 1006: if (px != -1 && (u_int)px > screen_size_x(s) - 1)
1.145 nicm 1007: px = screen_size_x(s) - 1;
1.146 nicm 1008: if (py != -1 && (u_int)py > screen_size_y(s) - 1)
1.145 nicm 1009: py = screen_size_y(s) - 1;
1.1 nicm 1010:
1.139 nicm 1011: screen_write_set_cursor(ctx, px, py);
1.1 nicm 1012: }
1013:
1.101 nicm 1014: /* Reverse index (up with scroll). */
1.1 nicm 1015: void
1.122 nicm 1016: screen_write_reverseindex(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 1017: {
1018: struct screen *s = ctx->s;
1.17 nicm 1019: struct tty_ctx ttyctx;
1.1 nicm 1020:
1.163 nicm 1021: screen_write_initctx(ctx, &ttyctx, 1);
1.122 nicm 1022: ttyctx.bg = bg;
1.1 nicm 1023:
1.109 nicm 1024: if (s->cy == s->rupper)
1.122 nicm 1025: grid_view_scroll_region_down(s->grid, s->rupper, s->rlower, bg);
1.109 nicm 1026: else if (s->cy > 0)
1.139 nicm 1027: screen_write_set_cursor(ctx, -1, s->cy - 1);
1.1 nicm 1028:
1.164 ! nicm 1029: screen_write_collect_flush(ctx, 0, __func__);
1.17 nicm 1030: tty_write(tty_cmd_reverseindex, &ttyctx);
1.1 nicm 1031: }
1032:
1033: /* Set scroll region. */
1034: void
1.83 nicm 1035: screen_write_scrollregion(struct screen_write_ctx *ctx, u_int rupper,
1036: u_int rlower)
1.1 nicm 1037: {
1038: struct screen *s = ctx->s;
1039:
1040: if (rupper > screen_size_y(s) - 1)
1041: rupper = screen_size_y(s) - 1;
1042: if (rlower > screen_size_y(s) - 1)
1043: rlower = screen_size_y(s) - 1;
1.13 nicm 1044: if (rupper >= rlower) /* cannot be one line */
1.1 nicm 1045: return;
1046:
1.164 ! nicm 1047: screen_write_collect_flush(ctx, 0, __func__);
1.110 nicm 1048:
1.1 nicm 1049: /* Cursor moves to top-left. */
1.139 nicm 1050: screen_write_set_cursor(ctx, 0, 0);
1.1 nicm 1051:
1052: s->rupper = rupper;
1053: s->rlower = rlower;
1054: }
1055:
1.34 nicm 1056: /* Line feed. */
1.1 nicm 1057: void
1.122 nicm 1058: screen_write_linefeed(struct screen_write_ctx *ctx, int wrapped, u_int bg)
1.1 nicm 1059: {
1.20 nicm 1060: struct screen *s = ctx->s;
1.109 nicm 1061: struct grid *gd = s->grid;
1.20 nicm 1062: struct grid_line *gl;
1.1 nicm 1063:
1.137 nicm 1064: gl = grid_get_line(gd, gd->hsize + s->cy);
1.20 nicm 1065: if (wrapped)
1066: gl->flags |= GRID_LINE_WRAPPED;
1.73 nicm 1067: else
1068: gl->flags &= ~GRID_LINE_WRAPPED;
1.20 nicm 1069:
1.114 nicm 1070: log_debug("%s: at %u,%u (region %u-%u)", __func__, s->cx, s->cy,
1071: s->rupper, s->rlower);
1072:
1.122 nicm 1073: if (bg != ctx->bg) {
1.164 ! nicm 1074: screen_write_collect_flush(ctx, 1, __func__);
1.122 nicm 1075: ctx->bg = bg;
1076: }
1077:
1.92 nicm 1078: if (s->cy == s->rlower) {
1.122 nicm 1079: grid_view_scroll_region_up(gd, s->rupper, s->rlower, bg);
1.109 nicm 1080: screen_write_collect_scroll(ctx);
1.110 nicm 1081: ctx->scrolled++;
1.109 nicm 1082: } else if (s->cy < screen_size_y(s) - 1)
1.139 nicm 1083: screen_write_set_cursor(ctx, -1, s->cy + 1);
1.1 nicm 1084: }
1085:
1.110 nicm 1086: /* Scroll up. */
1087: void
1.122 nicm 1088: screen_write_scrollup(struct screen_write_ctx *ctx, u_int lines, u_int bg)
1.110 nicm 1089: {
1090: struct screen *s = ctx->s;
1091: struct grid *gd = s->grid;
1092: u_int i;
1093:
1094: if (lines == 0)
1095: lines = 1;
1096: else if (lines > s->rlower - s->rupper + 1)
1097: lines = s->rlower - s->rupper + 1;
1098:
1.122 nicm 1099: if (bg != ctx->bg) {
1.164 ! nicm 1100: screen_write_collect_flush(ctx, 1, __func__);
1.122 nicm 1101: ctx->bg = bg;
1102: }
1103:
1.110 nicm 1104: for (i = 0; i < lines; i++) {
1.122 nicm 1105: grid_view_scroll_region_up(gd, s->rupper, s->rlower, bg);
1.110 nicm 1106: screen_write_collect_scroll(ctx);
1107: }
1108: ctx->scrolled += lines;
1.157 nicm 1109: }
1110:
1111: /* Scroll down. */
1112: void
1113: screen_write_scrolldown(struct screen_write_ctx *ctx, u_int lines, u_int bg)
1114: {
1115: struct screen *s = ctx->s;
1116: struct grid *gd = s->grid;
1117: struct tty_ctx ttyctx;
1118: u_int i;
1119:
1.163 nicm 1120: screen_write_initctx(ctx, &ttyctx, 1);
1.157 nicm 1121: ttyctx.bg = bg;
1122:
1123: if (lines == 0)
1124: lines = 1;
1125: else if (lines > s->rlower - s->rupper + 1)
1126: lines = s->rlower - s->rupper + 1;
1127:
1128: for (i = 0; i < lines; i++)
1129: grid_view_scroll_region_down(gd, s->rupper, s->rlower, bg);
1130:
1.164 ! nicm 1131: screen_write_collect_flush(ctx, 0, __func__);
1.157 nicm 1132: ttyctx.num = lines;
1133: tty_write(tty_cmd_scrolldown, &ttyctx);
1.110 nicm 1134: }
1135:
1.1 nicm 1136: /* Carriage return (cursor to start of line). */
1137: void
1138: screen_write_carriagereturn(struct screen_write_ctx *ctx)
1139: {
1.139 nicm 1140: screen_write_set_cursor(ctx, 0, -1);
1.1 nicm 1141: }
1142:
1143: /* Clear to end of screen from cursor. */
1144: void
1.99 nicm 1145: screen_write_clearendofscreen(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 1146: {
1147: struct screen *s = ctx->s;
1.107 nicm 1148: struct grid *gd = s->grid;
1.17 nicm 1149: struct tty_ctx ttyctx;
1.92 nicm 1150: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1151:
1.163 nicm 1152: screen_write_initctx(ctx, &ttyctx, 1);
1.99 nicm 1153: ttyctx.bg = bg;
1.1 nicm 1154:
1.46 nicm 1155: /* Scroll into history if it is enabled and clearing entire screen. */
1.109 nicm 1156: if (s->cx == 0 && s->cy == 0 && (gd->flags & GRID_HISTORY))
1.107 nicm 1157: grid_view_clear_history(gd, bg);
1.109 nicm 1158: else {
1159: if (s->cx <= sx - 1)
1.107 nicm 1160: grid_view_clear(gd, s->cx, s->cy, sx - s->cx, 1, bg);
1161: grid_view_clear(gd, 0, s->cy + 1, sx, sy - (s->cy + 1), bg);
1.46 nicm 1162: }
1.1 nicm 1163:
1.109 nicm 1164: screen_write_collect_clear(ctx, s->cy + 1, sy - (s->cy + 1));
1.164 ! nicm 1165: screen_write_collect_flush(ctx, 0, __func__);
1.17 nicm 1166: tty_write(tty_cmd_clearendofscreen, &ttyctx);
1.1 nicm 1167: }
1168:
1169: /* Clear to start of screen. */
1170: void
1.105 nicm 1171: screen_write_clearstartofscreen(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 1172: {
1173: struct screen *s = ctx->s;
1.17 nicm 1174: struct tty_ctx ttyctx;
1.92 nicm 1175: u_int sx = screen_size_x(s);
1.1 nicm 1176:
1.163 nicm 1177: screen_write_initctx(ctx, &ttyctx, 1);
1.105 nicm 1178: ttyctx.bg = bg;
1.1 nicm 1179:
1.109 nicm 1180: if (s->cy > 0)
1.105 nicm 1181: grid_view_clear(s->grid, 0, 0, sx, s->cy, bg);
1.109 nicm 1182: if (s->cx > sx - 1)
1.120 nicm 1183: grid_view_clear(s->grid, 0, s->cy, sx, 1, bg);
1.109 nicm 1184: else
1.120 nicm 1185: grid_view_clear(s->grid, 0, s->cy, s->cx + 1, 1, bg);
1.1 nicm 1186:
1.109 nicm 1187: screen_write_collect_clear(ctx, 0, s->cy);
1.164 ! nicm 1188: screen_write_collect_flush(ctx, 0, __func__);
1.17 nicm 1189: tty_write(tty_cmd_clearstartofscreen, &ttyctx);
1.1 nicm 1190: }
1191:
1192: /* Clear entire screen. */
1193: void
1.99 nicm 1194: screen_write_clearscreen(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 1195: {
1196: struct screen *s = ctx->s;
1.17 nicm 1197: struct tty_ctx ttyctx;
1.92 nicm 1198: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1199:
1.163 nicm 1200: screen_write_initctx(ctx, &ttyctx, 1);
1.99 nicm 1201: ttyctx.bg = bg;
1.1 nicm 1202:
1.46 nicm 1203: /* Scroll into history if it is enabled. */
1204: if (s->grid->flags & GRID_HISTORY)
1.99 nicm 1205: grid_view_clear_history(s->grid, bg);
1.83 nicm 1206: else
1.99 nicm 1207: grid_view_clear(s->grid, 0, 0, sx, sy, bg);
1.1 nicm 1208:
1.109 nicm 1209: screen_write_collect_clear(ctx, 0, sy);
1.17 nicm 1210: tty_write(tty_cmd_clearscreen, &ttyctx);
1.51 nicm 1211: }
1212:
1213: /* Clear entire history. */
1214: void
1215: screen_write_clearhistory(struct screen_write_ctx *ctx)
1216: {
1.156 nicm 1217: grid_clear_history(ctx->s->grid);
1.1 nicm 1218: }
1219:
1.109 nicm 1220: /* Clear a collected line. */
1221: static void
1222: screen_write_collect_clear(struct screen_write_ctx *ctx, u_int y, u_int n)
1223: {
1224: struct screen_write_collect_item *ci, *tmp;
1225: u_int i;
1226: size_t size;
1227:
1.151 nicm 1228: for (i = y; i < y + n; i++) {
1.109 nicm 1229: if (TAILQ_EMPTY(&ctx->list[i].items))
1230: continue;
1231: size = 0;
1232: TAILQ_FOREACH_SAFE(ci, &ctx->list[i].items, entry, tmp) {
1233: size += ci->used;
1234: TAILQ_REMOVE(&ctx->list[i].items, ci, entry);
1235: free(ci);
1236: }
1237: ctx->skipped += size;
1.114 nicm 1238: log_debug("%s: dropped %zu bytes (line %u)", __func__, size, i);
1.109 nicm 1239: }
1240: }
1241:
1242: /* Scroll collected lines up. */
1243: static void
1244: screen_write_collect_scroll(struct screen_write_ctx *ctx)
1245: {
1246: struct screen *s = ctx->s;
1247: struct screen_write_collect_line *cl;
1248: u_int y;
1249:
1.114 nicm 1250: log_debug("%s: at %u,%u (region %u-%u)", __func__, s->cx, s->cy,
1251: s->rupper, s->rlower);
1252:
1.109 nicm 1253: screen_write_collect_clear(ctx, s->rupper, 1);
1254: for (y = s->rupper; y < s->rlower; y++) {
1255: cl = &ctx->list[y + 1];
1256: TAILQ_CONCAT(&ctx->list[y].items, &cl->items, entry);
1257: }
1258: }
1259:
1260: /* Flush collected lines. */
1261: static void
1.164 ! nicm 1262: screen_write_collect_flush(struct screen_write_ctx *ctx, int scroll_only,
! 1263: const char *from)
1.109 nicm 1264: {
1265: struct screen *s = ctx->s;
1266: struct screen_write_collect_item *ci, *tmp;
1.116 nicm 1267: u_int y, cx, cy, items = 0;
1.109 nicm 1268: struct tty_ctx ttyctx;
1.116 nicm 1269: size_t written = 0;
1.110 nicm 1270:
1271: if (ctx->scrolled != 0) {
1272: log_debug("%s: scrolled %u (region %u-%u)", __func__,
1273: ctx->scrolled, s->rupper, s->rlower);
1274: if (ctx->scrolled > s->rlower - s->rupper + 1)
1275: ctx->scrolled = s->rlower - s->rupper + 1;
1276:
1.163 nicm 1277: screen_write_initctx(ctx, &ttyctx, 1);
1.110 nicm 1278: ttyctx.num = ctx->scrolled;
1.122 nicm 1279: ttyctx.bg = ctx->bg;
1.110 nicm 1280: tty_write(tty_cmd_scrollup, &ttyctx);
1281: }
1282: ctx->scrolled = 0;
1.122 nicm 1283: ctx->bg = 8;
1284:
1.111 nicm 1285: if (scroll_only)
1286: return;
1.109 nicm 1287:
1288: cx = s->cx; cy = s->cy;
1289: for (y = 0; y < screen_size_y(s); y++) {
1290: TAILQ_FOREACH_SAFE(ci, &ctx->list[y].items, entry, tmp) {
1.144 nicm 1291: screen_write_set_cursor(ctx, ci->x, y);
1.163 nicm 1292: screen_write_initctx(ctx, &ttyctx, 0);
1.109 nicm 1293: ttyctx.cell = &ci->gc;
1.118 nicm 1294: ttyctx.wrapped = ci->wrapped;
1.109 nicm 1295: ttyctx.ptr = ci->data;
1296: ttyctx.num = ci->used;
1297: tty_write(tty_cmd_cells, &ttyctx);
1.116 nicm 1298:
1299: items++;
1300: written += ci->used;
1.109 nicm 1301:
1302: TAILQ_REMOVE(&ctx->list[y].items, ci, entry);
1303: free(ci);
1304: }
1305: }
1306: s->cx = cx; s->cy = cy;
1.116 nicm 1307:
1.164 ! nicm 1308: log_debug("%s: flushed %u items (%zu bytes) (%s)", __func__, items,
! 1309: written, from);
1.116 nicm 1310: ctx->written += written;
1.109 nicm 1311: }
1312:
1313: /* Finish and store collected cells. */
1314: void
1315: screen_write_collect_end(struct screen_write_ctx *ctx)
1316: {
1317: struct screen *s = ctx->s;
1318: struct screen_write_collect_item *ci = ctx->item;
1319: struct grid_cell gc;
1.131 nicm 1320: u_int xx;
1.109 nicm 1321:
1322: if (ci->used == 0)
1323: return;
1324: ci->data[ci->used] = '\0';
1325:
1326: ci->x = s->cx;
1327: TAILQ_INSERT_TAIL(&ctx->list[s->cy].items, ci, entry);
1328: ctx->item = xcalloc(1, sizeof *ctx->item);
1329:
1330: log_debug("%s: %u %s (at %u,%u)", __func__, ci->used, ci->data, s->cx,
1331: s->cy);
1332:
1.131 nicm 1333: if (s->cx != 0) {
1334: for (xx = s->cx; xx > 0; xx--) {
1335: grid_view_get_cell(s->grid, xx, s->cy, &gc);
1336: if (~gc.flags & GRID_FLAG_PADDING)
1337: break;
1.136 nicm 1338: grid_view_set_cell(s->grid, xx, s->cy,
1339: &grid_default_cell);
1.131 nicm 1340: }
1.139 nicm 1341: if (gc.data.width > 1) {
1.136 nicm 1342: grid_view_set_cell(s->grid, xx, s->cy,
1343: &grid_default_cell);
1.139 nicm 1344: }
1.131 nicm 1345: }
1346:
1.159 nicm 1347: grid_view_set_cells(s->grid, s->cx, s->cy, &ci->gc, ci->data, ci->used);
1.139 nicm 1348: screen_write_set_cursor(ctx, s->cx + ci->used, -1);
1.131 nicm 1349:
1350: for (xx = s->cx; xx < screen_size_x(s); xx++) {
1351: grid_view_get_cell(s->grid, xx, s->cy, &gc);
1352: if (~gc.flags & GRID_FLAG_PADDING)
1353: break;
1354: grid_view_set_cell(s->grid, xx, s->cy, &grid_default_cell);
1355: }
1.109 nicm 1356: }
1357:
1358: /* Write cell data, collecting if necessary. */
1359: void
1360: screen_write_collect_add(struct screen_write_ctx *ctx,
1361: const struct grid_cell *gc)
1362: {
1363: struct screen *s = ctx->s;
1364: struct screen_write_collect_item *ci;
1365: u_int sx = screen_size_x(s);
1366: int collect;
1367:
1368: /*
1369: * Don't need to check that the attributes and whatnot are still the
1.116 nicm 1370: * same - input_parse will end the collection when anything that isn't
1.159 nicm 1371: * a plain character is encountered.
1.109 nicm 1372: */
1373:
1374: collect = 1;
1.136 nicm 1375: if (gc->data.width != 1 || gc->data.size != 1 || *gc->data.data >= 0x7f)
1.109 nicm 1376: collect = 0;
1377: else if (gc->attr & GRID_ATTR_CHARSET)
1378: collect = 0;
1379: else if (~s->mode & MODE_WRAP)
1380: collect = 0;
1381: else if (s->mode & MODE_INSERT)
1382: collect = 0;
1.138 nicm 1383: else if (s->sel != NULL)
1.109 nicm 1384: collect = 0;
1385: if (!collect) {
1386: screen_write_collect_end(ctx);
1.164 ! nicm 1387: screen_write_collect_flush(ctx, 0, __func__);
1.109 nicm 1388: screen_write_cell(ctx, gc);
1389: return;
1390: }
1391: ctx->cells++;
1392:
1393: if (s->cx > sx - 1 || ctx->item->used > sx - 1 - s->cx)
1394: screen_write_collect_end(ctx);
1.118 nicm 1395: ci = ctx->item; /* may have changed */
1396:
1.109 nicm 1397: if (s->cx > sx - 1) {
1.114 nicm 1398: log_debug("%s: wrapped at %u,%u", __func__, s->cx, s->cy);
1.118 nicm 1399: ci->wrapped = 1;
1.122 nicm 1400: screen_write_linefeed(ctx, 1, 8);
1.139 nicm 1401: screen_write_set_cursor(ctx, 0, -1);
1.109 nicm 1402: }
1403:
1404: if (ci->used == 0)
1405: memcpy(&ci->gc, gc, sizeof ci->gc);
1406: ci->data[ci->used++] = gc->data.data[0];
1407: if (ci->used == (sizeof ci->data) - 1)
1408: screen_write_collect_end(ctx);
1409: }
1410:
1.1 nicm 1411: /* Write cell data. */
1412: void
1.60 nicm 1413: screen_write_cell(struct screen_write_ctx *ctx, const struct grid_cell *gc)
1.1 nicm 1414: {
1415: struct screen *s = ctx->s;
1416: struct grid *gd = s->grid;
1.109 nicm 1417: struct grid_line *gl;
1418: struct grid_cell_entry *gce;
1419: struct grid_cell tmp_gc, now_gc;
1.15 nicm 1420: struct tty_ctx ttyctx;
1.92 nicm 1421: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.115 nicm 1422: u_int width = gc->data.width, xx, last, cx, cy;
1.109 nicm 1423: int selected, skip = 1;
1.1 nicm 1424:
1.109 nicm 1425: /* Ignore padding cells. */
1.1 nicm 1426: if (gc->flags & GRID_FLAG_PADDING)
1427: return;
1.109 nicm 1428: ctx->cells++;
1.32 nicm 1429:
1.109 nicm 1430: /* If the width is zero, combine onto the previous character. */
1.1 nicm 1431: if (width == 0) {
1.164 ! nicm 1432: screen_write_collect_flush(ctx, 0, __func__);
1.104 nicm 1433: if ((gc = screen_write_combine(ctx, &gc->data, &xx)) != 0) {
1.115 nicm 1434: cx = s->cx; cy = s->cy;
1.144 nicm 1435: screen_write_set_cursor(ctx, xx, s->cy);
1.163 nicm 1436: screen_write_initctx(ctx, &ttyctx, 0);
1.104 nicm 1437: ttyctx.cell = gc;
1438: tty_write(tty_cmd_cell, &ttyctx);
1.115 nicm 1439: s->cx = cx; s->cy = cy;
1.1 nicm 1440: }
1441: return;
1442: }
1.112 nicm 1443:
1444: /* Flush any existing scrolling. */
1.164 ! nicm 1445: screen_write_collect_flush(ctx, 1, __func__);
1.1 nicm 1446:
1.109 nicm 1447: /* If this character doesn't fit, ignore it. */
1448: if ((~s->mode & MODE_WRAP) &&
1449: width > 1 &&
1450: (width > sx || (s->cx != sx && s->cx > sx - width)))
1451: return;
1452:
1.6 nicm 1453: /* If in insert mode, make space for the cells. */
1.98 nicm 1454: if (s->mode & MODE_INSERT) {
1.109 nicm 1455: grid_view_insert_cells(s->grid, s->cx, s->cy, width, 8);
1456: skip = 0;
1457: }
1.6 nicm 1458:
1.20 nicm 1459: /* Check this will fit on the current line and wrap if not. */
1.92 nicm 1460: if ((s->mode & MODE_WRAP) && s->cx > sx - width) {
1.128 nicm 1461: log_debug("%s: wrapped at %u,%u", __func__, s->cx, s->cy);
1.122 nicm 1462: screen_write_linefeed(ctx, 1, 8);
1.139 nicm 1463: screen_write_set_cursor(ctx, 0, -1);
1.164 ! nicm 1464: screen_write_collect_flush(ctx, 1, __func__);
1.1 nicm 1465: }
1466:
1.64 nicm 1467: /* Sanity check cursor position. */
1.92 nicm 1468: if (s->cx > sx - width || s->cy > sy - 1)
1.1 nicm 1469: return;
1.163 nicm 1470: screen_write_initctx(ctx, &ttyctx, 0);
1.106 nicm 1471:
1.1 nicm 1472: /* Handle overwriting of UTF-8 characters. */
1.137 nicm 1473: gl = grid_get_line(s->grid, s->grid->hsize + s->cy);
1.92 nicm 1474: if (gl->flags & GRID_LINE_EXTENDED) {
1475: grid_view_get_cell(gd, s->cx, s->cy, &now_gc);
1476: if (screen_write_overwrite(ctx, &now_gc, width))
1477: skip = 0;
1478: }
1.1 nicm 1479:
1480: /*
1481: * If the new character is UTF-8 wide, fill in padding cells. Have
1482: * already ensured there is enough room.
1483: */
1.89 nicm 1484: for (xx = s->cx + 1; xx < s->cx + width; xx++) {
1.131 nicm 1485: log_debug("%s: new padding at %u,%u", __func__, xx, s->cy);
1.88 nicm 1486: grid_view_set_cell(gd, xx, s->cy, &screen_write_pad_cell);
1.89 nicm 1487: skip = 0;
1488: }
1489:
1490: /* If no change, do not draw. */
1.92 nicm 1491: if (skip) {
1492: if (s->cx >= gl->cellsize)
1493: skip = grid_cells_equal(gc, &grid_default_cell);
1494: else {
1495: gce = &gl->celldata[s->cx];
1496: if (gce->flags & GRID_FLAG_EXTENDED)
1497: skip = 0;
1.95 nicm 1498: else if (gc->flags != gce->flags)
1.92 nicm 1499: skip = 0;
1500: else if (gc->attr != gce->data.attr)
1501: skip = 0;
1502: else if (gc->fg != gce->data.fg)
1503: skip = 0;
1504: else if (gc->bg != gce->data.bg)
1505: skip = 0;
1.95 nicm 1506: else if (gc->data.width != 1)
1507: skip = 0;
1.109 nicm 1508: else if (gc->data.size != 1)
1509: skip = 0;
1.95 nicm 1510: else if (gce->data.data != gc->data.data[0])
1.92 nicm 1511: skip = 0;
1512: }
1513: }
1.1 nicm 1514:
1.127 nicm 1515: /* Update the selected flag and set the cell. */
1.90 nicm 1516: selected = screen_check_selection(s, s->cx, s->cy);
1.109 nicm 1517: if (selected && (~gc->flags & GRID_FLAG_SELECTED)) {
1.90 nicm 1518: memcpy(&tmp_gc, gc, sizeof tmp_gc);
1519: tmp_gc.flags |= GRID_FLAG_SELECTED;
1520: grid_view_set_cell(gd, s->cx, s->cy, &tmp_gc);
1.109 nicm 1521: } else if (!selected && (gc->flags & GRID_FLAG_SELECTED)) {
1.90 nicm 1522: memcpy(&tmp_gc, gc, sizeof tmp_gc);
1523: tmp_gc.flags &= ~GRID_FLAG_SELECTED;
1524: grid_view_set_cell(gd, s->cx, s->cy, &tmp_gc);
1525: } else if (!skip)
1.89 nicm 1526: grid_view_set_cell(gd, s->cx, s->cy, gc);
1.109 nicm 1527: if (selected)
1528: skip = 0;
1.1 nicm 1529:
1.64 nicm 1530: /*
1531: * Move the cursor. If not wrapping, stick at the last character and
1532: * replace it.
1533: */
1.65 nicm 1534: last = !(s->mode & MODE_WRAP);
1.92 nicm 1535: if (s->cx <= sx - last - width)
1.139 nicm 1536: screen_write_set_cursor(ctx, s->cx + width, -1);
1.64 nicm 1537: else
1.139 nicm 1538: screen_write_set_cursor(ctx, sx - last, -1);
1.1 nicm 1539:
1.89 nicm 1540: /* Create space for character in insert mode. */
1.109 nicm 1541: if (s->mode & MODE_INSERT) {
1.164 ! nicm 1542: screen_write_collect_flush(ctx, 0, __func__);
1.17 nicm 1543: ttyctx.num = width;
1544: tty_write(tty_cmd_insertcharacter, &ttyctx);
1545: }
1.89 nicm 1546:
1547: /* Write to the screen. */
1.109 nicm 1548: if (!skip) {
1549: if (selected) {
1550: screen_select_cell(s, &tmp_gc, gc);
1551: ttyctx.cell = &tmp_gc;
1552: } else
1553: ttyctx.cell = gc;
1.16 nicm 1554: tty_write(tty_cmd_cell, &ttyctx);
1.92 nicm 1555: ctx->written++;
1556: } else
1557: ctx->skipped++;
1.35 nicm 1558: }
1559:
1560: /* Combine a UTF-8 zero-width character onto the previous. */
1.104 nicm 1561: static const struct grid_cell *
1562: screen_write_combine(struct screen_write_ctx *ctx, const struct utf8_data *ud,
1563: u_int *xx)
1.35 nicm 1564: {
1565: struct screen *s = ctx->s;
1566: struct grid *gd = s->grid;
1.104 nicm 1567: static struct grid_cell gc;
1568: u_int n;
1.35 nicm 1569:
1570: /* Can't combine if at 0. */
1571: if (s->cx == 0)
1.104 nicm 1572: return (NULL);
1.35 nicm 1573:
1.60 nicm 1574: /* Empty data is out. */
1575: if (ud->size == 0)
1.37 nicm 1576: fatalx("UTF-8 data empty");
1577:
1.60 nicm 1578: /* Retrieve the previous cell. */
1.119 nicm 1579: for (n = 1; n <= s->cx; n++) {
1.104 nicm 1580: grid_view_get_cell(gd, s->cx - n, s->cy, &gc);
1581: if (~gc.flags & GRID_FLAG_PADDING)
1582: break;
1583: }
1.119 nicm 1584: if (n > s->cx)
1.104 nicm 1585: return (NULL);
1586: *xx = s->cx - n;
1.35 nicm 1587:
1.60 nicm 1588: /* Check there is enough space. */
1.77 nicm 1589: if (gc.data.size + ud->size > sizeof gc.data.data)
1.104 nicm 1590: return (NULL);
1591:
1592: log_debug("%s: %.*s onto %.*s at %u,%u", __func__, (int)ud->size,
1593: ud->data, (int)gc.data.size, gc.data.data, *xx, s->cy);
1.35 nicm 1594:
1.77 nicm 1595: /* Append the data. */
1596: memcpy(gc.data.data + gc.data.size, ud->data, ud->size);
1597: gc.data.size += ud->size;
1598:
1599: /* Set the new cell. */
1.104 nicm 1600: grid_view_set_cell(gd, *xx, s->cy, &gc);
1.35 nicm 1601:
1.104 nicm 1602: return (&gc);
1.1 nicm 1603: }
1604:
1605: /*
1606: * UTF-8 wide characters are a bit of an annoyance. They take up more than one
1607: * cell on the screen, so following cells must not be drawn by marking them as
1608: * padding.
1609: *
1610: * So far, so good. The problem is, when overwriting a padding cell, or a UTF-8
1611: * character, it is necessary to also overwrite any other cells which covered
1612: * by the same character.
1613: */
1.89 nicm 1614: static int
1615: screen_write_overwrite(struct screen_write_ctx *ctx, struct grid_cell *gc,
1616: u_int width)
1.1 nicm 1617: {
1618: struct screen *s = ctx->s;
1619: struct grid *gd = s->grid;
1.89 nicm 1620: struct grid_cell tmp_gc;
1.1 nicm 1621: u_int xx;
1.89 nicm 1622: int done = 0;
1.1 nicm 1623:
1.89 nicm 1624: if (gc->flags & GRID_FLAG_PADDING) {
1.1 nicm 1625: /*
1626: * A padding cell, so clear any following and leading padding
1627: * cells back to the character. Don't overwrite the current
1628: * cell as that happens later anyway.
1629: */
1630: xx = s->cx + 1;
1631: while (--xx > 0) {
1.89 nicm 1632: grid_view_get_cell(gd, xx, s->cy, &tmp_gc);
1633: if (~tmp_gc.flags & GRID_FLAG_PADDING)
1.1 nicm 1634: break;
1.131 nicm 1635: log_debug("%s: padding at %u,%u", __func__, xx, s->cy);
1.1 nicm 1636: grid_view_set_cell(gd, xx, s->cy, &grid_default_cell);
1637: }
1638:
1639: /* Overwrite the character at the start of this padding. */
1.131 nicm 1640: log_debug("%s: character at %u,%u", __func__, xx, s->cy);
1.1 nicm 1641: grid_view_set_cell(gd, xx, s->cy, &grid_default_cell);
1.89 nicm 1642: done = 1;
1.43 nicm 1643: }
1.1 nicm 1644:
1.43 nicm 1645: /*
1.95 nicm 1646: * Overwrite any padding cells that belong to any UTF-8 characters
1647: * we'll be overwriting with the current character.
1.43 nicm 1648: */
1.95 nicm 1649: if (width != 1 ||
1650: gc->data.width != 1 ||
1651: gc->flags & GRID_FLAG_PADDING) {
1.89 nicm 1652: xx = s->cx + width - 1;
1653: while (++xx < screen_size_x(s)) {
1654: grid_view_get_cell(gd, xx, s->cy, &tmp_gc);
1655: if (~tmp_gc.flags & GRID_FLAG_PADDING)
1656: break;
1.160 nicm 1657: log_debug("%s: overwrite at %u,%u", __func__, xx,
1658: s->cy);
1.89 nicm 1659: grid_view_set_cell(gd, xx, s->cy, &grid_default_cell);
1660: done = 1;
1661: }
1.1 nicm 1662: }
1.89 nicm 1663:
1664: return (done);
1.50 nicm 1665: }
1666:
1.107 nicm 1667: /* Set external clipboard. */
1.50 nicm 1668: void
1669: screen_write_setselection(struct screen_write_ctx *ctx, u_char *str, u_int len)
1670: {
1671: struct tty_ctx ttyctx;
1672:
1.163 nicm 1673: screen_write_initctx(ctx, &ttyctx, 0);
1.50 nicm 1674: ttyctx.ptr = str;
1675: ttyctx.num = len;
1676:
1677: tty_write(tty_cmd_setselection, &ttyctx);
1.47 nicm 1678: }
1679:
1.107 nicm 1680: /* Write unmodified string. */
1.47 nicm 1681: void
1682: screen_write_rawstring(struct screen_write_ctx *ctx, u_char *str, u_int len)
1683: {
1.87 nicm 1684: struct tty_ctx ttyctx;
1.47 nicm 1685:
1.163 nicm 1686: screen_write_initctx(ctx, &ttyctx, 0);
1.47 nicm 1687: ttyctx.ptr = str;
1688: ttyctx.num = len;
1689:
1690: tty_write(tty_cmd_rawstring, &ttyctx);
1.1 nicm 1691: }
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