Annotation of src/usr.bin/tmux/screen-write.c, Revision 1.140
1.140 ! nicm 1: /* $OpenBSD: screen-write.c,v 1.139 2018/10/18 08:38:01 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:
1.87 nicm 26: static void screen_write_initctx(struct screen_write_ctx *,
27: struct tty_ctx *);
1.109 nicm 28: static void screen_write_collect_clear(struct screen_write_ctx *, u_int,
29: u_int);
30: static void screen_write_collect_scroll(struct screen_write_ctx *);
1.111 nicm 31: static void screen_write_collect_flush(struct screen_write_ctx *, int);
1.87 nicm 32:
1.89 nicm 33: static int screen_write_overwrite(struct screen_write_ctx *,
34: struct grid_cell *, u_int);
1.104 nicm 35: static const struct grid_cell *screen_write_combine(struct screen_write_ctx *,
36: const struct utf8_data *, u_int *);
1.1 nicm 37:
1.88 nicm 38: static const struct grid_cell screen_write_pad_cell = {
1.91 nicm 39: GRID_FLAG_PADDING, 0, 8, 8, { { 0 }, 0, 0, 0 }
1.88 nicm 40: };
41:
1.109 nicm 42: struct screen_write_collect_item {
43: u_int x;
1.118 nicm 44: int wrapped;
1.109 nicm 45:
46: u_int used;
47: char data[256];
48:
49: struct grid_cell gc;
50:
1.126 nicm 51: TAILQ_ENTRY(screen_write_collect_item) entry;
1.109 nicm 52: };
53: struct screen_write_collect_line {
54: TAILQ_HEAD(, screen_write_collect_item) items;
55: };
1.92 nicm 56:
1.139 nicm 57: static void
58: screen_write_offset_timer(__unused int fd, __unused short events, void *data)
59: {
60: struct window *w = data;
61:
62: tty_update_window_offset(w);
63: }
64:
65: /* Set cursor position. */
66: static void
67: screen_write_set_cursor(struct screen_write_ctx *ctx, int cx, int cy)
68: {
69: struct window_pane *wp = ctx->wp;
70: struct window *w;
71: struct screen *s = ctx->s;
72: struct timeval tv = { .tv_usec = 10000 };
73:
74: if (cx != -1 && (u_int)cx == s->cx && cy != -1 && (u_int)cy == s->cy)
75: return;
76:
77: if (cx != -1)
78: s->cx = cx;
79: if (cy != -1)
80: s->cy = cy;
81:
82: if (wp == NULL)
83: return;
84: w = wp->window;
85:
86: if (!event_initialized(&w->offset_timer))
87: evtimer_set(&w->offset_timer, screen_write_offset_timer, w);
88: if (!evtimer_pending(&w->offset_timer, NULL))
89: evtimer_add(&w->offset_timer, &tv);
90: }
91:
1.92 nicm 92: /* Initialize writing with a window. */
1.1 nicm 93: void
1.71 nicm 94: screen_write_start(struct screen_write_ctx *ctx, struct window_pane *wp,
95: struct screen *s)
1.1 nicm 96: {
1.139 nicm 97: char tmp[32];
1.109 nicm 98: u_int y;
99:
100: memset(ctx, 0, sizeof *ctx);
1.92 nicm 101:
1.1 nicm 102: ctx->wp = wp;
103: if (wp != NULL && s == NULL)
104: ctx->s = wp->screen;
105: else
106: ctx->s = s;
1.92 nicm 107:
1.109 nicm 108: ctx->list = xcalloc(screen_size_y(ctx->s), sizeof *ctx->list);
109: for (y = 0; y < screen_size_y(ctx->s); y++)
110: TAILQ_INIT(&ctx->list[y].items);
111: ctx->item = xcalloc(1, sizeof *ctx->item);
1.92 nicm 112:
1.122 nicm 113: ctx->scrolled = 0;
114: ctx->bg = 8;
115:
1.139 nicm 116: if (wp != NULL) {
117: snprintf(tmp, sizeof tmp, "pane %%%u (at %u,%u)", wp->id,
118: wp->xoff, wp->yoff);
119: }
1.92 nicm 120: log_debug("%s: size %ux%u, %s", __func__, screen_size_x(ctx->s),
1.108 nicm 121: screen_size_y(ctx->s), wp == NULL ? "no pane" : tmp);
1.1 nicm 122: }
123:
124: /* Finish writing. */
125: void
1.92 nicm 126: screen_write_stop(struct screen_write_ctx *ctx)
127: {
1.109 nicm 128: screen_write_collect_end(ctx);
1.111 nicm 129: screen_write_collect_flush(ctx, 0);
1.92 nicm 130:
1.109 nicm 131: log_debug("%s: %u cells (%u written, %u skipped)", __func__,
132: ctx->cells, ctx->written, ctx->skipped);
1.92 nicm 133:
1.109 nicm 134: free(ctx->item);
135: free(ctx->list); /* flush will have emptied */
1.52 nicm 136: }
137:
138: /* Reset screen state. */
139: void
140: screen_write_reset(struct screen_write_ctx *ctx)
141: {
1.61 nicm 142: struct screen *s = ctx->s;
1.52 nicm 143:
1.61 nicm 144: screen_reset_tabs(s);
145: screen_write_scrollregion(ctx, 0, screen_size_y(s) - 1);
1.63 nicm 146:
1.67 nicm 147: s->mode &= ~(MODE_INSERT|MODE_KCURSOR|MODE_KKEYPAD|MODE_FOCUSON);
1.82 nicm 148: s->mode &= ~(ALL_MOUSE_MODES|MODE_MOUSE_UTF8|MODE_MOUSE_SGR);
1.52 nicm 149:
1.99 nicm 150: screen_write_clearscreen(ctx, 8);
1.52 nicm 151: screen_write_cursormove(ctx, 0, 0);
1.1 nicm 152: }
153:
154: /* Write character. */
155: void
1.86 nicm 156: screen_write_putc(struct screen_write_ctx *ctx, const struct grid_cell *gcp,
1.69 nicm 157: u_char ch)
1.1 nicm 158: {
1.86 nicm 159: struct grid_cell gc;
160:
161: memcpy(&gc, gcp, sizeof gc);
162:
163: utf8_set(&gc.data, ch);
164: screen_write_cell(ctx, &gc);
1.1 nicm 165: }
166:
1.24 nicm 167: /* Calculate string length, with embedded formatting. */
1.71 nicm 168: size_t
1.75 nicm 169: screen_write_cstrlen(const char *fmt, ...)
1.24 nicm 170: {
171: va_list ap;
172: char *msg, *msg2, *ptr, *ptr2;
173: size_t size;
174:
175: va_start(ap, fmt);
176: xvasprintf(&msg, fmt, ap);
177: va_end(ap);
178: msg2 = xmalloc(strlen(msg) + 1);
179:
180: ptr = msg;
181: ptr2 = msg2;
182: while (*ptr != '\0') {
183: if (ptr[0] == '#' && ptr[1] == '[') {
184: while (*ptr != ']' && *ptr != '\0')
185: ptr++;
186: if (*ptr == ']')
187: ptr++;
188: continue;
189: }
190: *ptr2++ = *ptr++;
191: }
192: *ptr2 = '\0';
193:
1.75 nicm 194: size = screen_write_strlen("%s", msg2);
1.24 nicm 195:
1.56 nicm 196: free(msg);
197: free(msg2);
1.24 nicm 198:
199: return (size);
200: }
201:
1.2 nicm 202: /* Calculate string length. */
1.71 nicm 203: size_t
1.75 nicm 204: screen_write_strlen(const char *fmt, ...)
1.2 nicm 205: {
1.36 nicm 206: va_list ap;
207: char *msg;
1.76 nicm 208: struct utf8_data ud;
1.36 nicm 209: u_char *ptr;
210: size_t left, size = 0;
1.79 nicm 211: enum utf8_state more;
1.2 nicm 212:
213: va_start(ap, fmt);
214: xvasprintf(&msg, fmt, ap);
215: va_end(ap);
216:
217: ptr = msg;
218: while (*ptr != '\0') {
1.79 nicm 219: if (*ptr > 0x7f && utf8_open(&ud, *ptr) == UTF8_MORE) {
1.36 nicm 220: ptr++;
1.2 nicm 221:
222: left = strlen(ptr);
1.77 nicm 223: if (left < (size_t)ud.size - 1)
1.36 nicm 224: break;
1.79 nicm 225: while ((more = utf8_append(&ud, *ptr)) == UTF8_MORE)
1.2 nicm 226: ptr++;
1.36 nicm 227: ptr++;
228:
1.79 nicm 229: if (more == UTF8_DONE)
1.78 nicm 230: size += ud.width;
1.2 nicm 231: } else {
1.75 nicm 232: if (*ptr > 0x1f && *ptr < 0x7f)
233: size++;
1.2 nicm 234: ptr++;
235: }
1.7 ray 236: }
1.2 nicm 237:
1.56 nicm 238: free(msg);
1.2 nicm 239: return (size);
240: }
241:
1.3 nicm 242: /* Write simple string (no UTF-8 or maximum length). */
1.71 nicm 243: void
1.86 nicm 244: screen_write_puts(struct screen_write_ctx *ctx, const struct grid_cell *gcp,
1.71 nicm 245: const char *fmt, ...)
1.1 nicm 246: {
247: va_list ap;
248:
249: va_start(ap, fmt);
1.86 nicm 250: screen_write_vnputs(ctx, -1, gcp, fmt, ap);
1.2 nicm 251: va_end(ap);
252: }
253:
254: /* Write string with length limit (-1 for unlimited). */
1.71 nicm 255: void
256: screen_write_nputs(struct screen_write_ctx *ctx, ssize_t maxlen,
1.86 nicm 257: const struct grid_cell *gcp, const char *fmt, ...)
1.2 nicm 258: {
259: va_list ap;
260:
261: va_start(ap, fmt);
1.86 nicm 262: screen_write_vnputs(ctx, maxlen, gcp, fmt, ap);
1.2 nicm 263: va_end(ap);
264: }
265:
266: void
1.3 nicm 267: screen_write_vnputs(struct screen_write_ctx *ctx, ssize_t maxlen,
1.86 nicm 268: const struct grid_cell *gcp, const char *fmt, va_list ap)
1.2 nicm 269: {
1.86 nicm 270: struct grid_cell gc;
271: struct utf8_data *ud = &gc.data;
1.36 nicm 272: char *msg;
273: u_char *ptr;
274: size_t left, size = 0;
1.79 nicm 275: enum utf8_state more;
1.2 nicm 276:
1.86 nicm 277: memcpy(&gc, gcp, sizeof gc);
1.1 nicm 278: xvasprintf(&msg, fmt, ap);
279:
1.2 nicm 280: ptr = msg;
281: while (*ptr != '\0') {
1.86 nicm 282: if (*ptr > 0x7f && utf8_open(ud, *ptr) == UTF8_MORE) {
1.36 nicm 283: ptr++;
1.2 nicm 284:
285: left = strlen(ptr);
1.86 nicm 286: if (left < (size_t)ud->size - 1)
1.36 nicm 287: break;
1.86 nicm 288: while ((more = utf8_append(ud, *ptr)) == UTF8_MORE)
1.2 nicm 289: ptr++;
1.36 nicm 290: ptr++;
1.7 ray 291:
1.86 nicm 292: if (more != UTF8_DONE)
293: continue;
294: if (maxlen > 0 && size + ud->width > (size_t)maxlen) {
295: while (size < (size_t)maxlen) {
296: screen_write_putc(ctx, &gc, ' ');
297: size++;
1.2 nicm 298: }
1.86 nicm 299: break;
1.2 nicm 300: }
1.86 nicm 301: size += ud->width;
302: screen_write_cell(ctx, &gc);
1.2 nicm 303: } else {
1.86 nicm 304: if (maxlen > 0 && size + 1 > (size_t)maxlen)
1.2 nicm 305: break;
306:
1.57 nicm 307: if (*ptr == '\001')
1.86 nicm 308: gc.attr ^= GRID_ATTR_CHARSET;
1.75 nicm 309: else if (*ptr > 0x1f && *ptr < 0x7f) {
1.57 nicm 310: size++;
1.86 nicm 311: screen_write_putc(ctx, &gc, *ptr);
1.57 nicm 312: }
1.2 nicm 313: ptr++;
314: }
315: }
1.1 nicm 316:
1.56 nicm 317: free(msg);
1.24 nicm 318: }
319:
320: /* Write string, similar to nputs, but with embedded formatting (#[]). */
1.71 nicm 321: void
1.75 nicm 322: screen_write_cnputs(struct screen_write_ctx *ctx, ssize_t maxlen,
1.86 nicm 323: const struct grid_cell *gcp, const char *fmt, ...)
1.24 nicm 324: {
1.86 nicm 325: struct grid_cell gc;
326: struct utf8_data *ud = &gc.data;
1.24 nicm 327: va_list ap;
328: char *msg;
1.36 nicm 329: u_char *ptr, *last;
1.24 nicm 330: size_t left, size = 0;
1.79 nicm 331: enum utf8_state more;
1.24 nicm 332:
1.86 nicm 333: memcpy(&gc, gcp, sizeof gc);
334:
1.24 nicm 335: va_start(ap, fmt);
336: xvasprintf(&msg, fmt, ap);
337: va_end(ap);
338:
339: ptr = msg;
340: while (*ptr != '\0') {
341: if (ptr[0] == '#' && ptr[1] == '[') {
342: ptr += 2;
343: last = ptr + strcspn(ptr, "]");
344: if (*last == '\0') {
345: /* No ]. Not much point in doing anything. */
346: break;
347: }
348: *last = '\0';
349:
1.86 nicm 350: style_parse(gcp, &gc, ptr);
1.24 nicm 351: ptr = last + 1;
352: continue;
353: }
354:
1.86 nicm 355: if (*ptr > 0x7f && utf8_open(ud, *ptr) == UTF8_MORE) {
1.36 nicm 356: ptr++;
1.24 nicm 357:
358: left = strlen(ptr);
1.86 nicm 359: if (left < (size_t)ud->size - 1)
1.36 nicm 360: break;
1.86 nicm 361: while ((more = utf8_append(ud, *ptr)) == UTF8_MORE)
1.24 nicm 362: ptr++;
1.36 nicm 363: ptr++;
1.24 nicm 364:
1.86 nicm 365: if (more != UTF8_DONE)
366: continue;
367: if (maxlen > 0 && size + ud->width > (size_t)maxlen) {
368: while (size < (size_t)maxlen) {
369: screen_write_putc(ctx, &gc, ' ');
370: size++;
1.24 nicm 371: }
1.86 nicm 372: break;
1.24 nicm 373: }
1.86 nicm 374: size += ud->width;
375: screen_write_cell(ctx, &gc);
1.24 nicm 376: } else {
1.86 nicm 377: if (maxlen > 0 && size + 1 > (size_t)maxlen)
1.24 nicm 378: break;
379:
1.75 nicm 380: if (*ptr > 0x1f && *ptr < 0x7f) {
381: size++;
1.86 nicm 382: screen_write_putc(ctx, &gc, *ptr);
1.75 nicm 383: }
1.24 nicm 384: ptr++;
385: }
386: }
387:
1.56 nicm 388: free(msg);
1.1 nicm 389: }
390:
1.132 nicm 391: /* Copy from another screen. Assumes target region is big enough. */
1.1 nicm 392: void
1.95 nicm 393: screen_write_copy(struct screen_write_ctx *ctx, struct screen *src, u_int px,
1.132 nicm 394: u_int py, u_int nx, u_int ny, bitstr_t *mbs, const struct grid_cell *mgc)
1.1 nicm 395: {
396: struct screen *s = ctx->s;
397: struct grid *gd = src->grid;
1.77 nicm 398: struct grid_cell gc;
1.102 nicm 399: u_int xx, yy, cx, cy, b;
1.1 nicm 400:
1.125 nicm 401: if (nx == 0 || ny == 0)
402: return;
403:
1.1 nicm 404: cx = s->cx;
405: cy = s->cy;
1.96 nicm 406:
1.1 nicm 407: for (yy = py; yy < py + ny; yy++) {
1.96 nicm 408: for (xx = px; xx < px + nx; xx++) {
409: grid_get_cell(gd, xx, yy, &gc);
1.132 nicm 410: if (mbs != NULL) {
1.102 nicm 411: b = (yy * screen_size_x(src)) + xx;
1.132 nicm 412: if (bit_test(mbs, b)) {
413: gc.attr = mgc->attr;
414: gc.fg = mgc->fg;
415: gc.bg = mgc->bg;
1.102 nicm 416: }
417: }
1.135 nicm 418: if (xx + gc.data.width <= px + nx)
419: screen_write_cell(ctx, &gc);
1.96 nicm 420: }
1.132 nicm 421: cy++;
422: screen_write_cursormove(ctx, cx, cy);
423: }
424: }
425:
426: /*
427: * Copy from another screen but without the selection stuff. Also assumes the
428: * target region is already big enough and already cleared.
429: */
430: void
431: screen_write_fast_copy(struct screen_write_ctx *ctx, struct screen *src,
432: u_int px, u_int py, u_int nx, u_int ny)
433: {
434: struct screen *s = ctx->s;
435: struct grid *gd = src->grid;
436: struct grid_cell gc;
437: u_int xx, yy, cx, cy;
1.96 nicm 438:
1.132 nicm 439: if (nx == 0 || ny == 0)
440: return;
441:
442: cy = s->cy;
443: for (yy = py; yy < py + ny; yy++) {
1.134 nicm 444: if (yy >= gd->hsize + gd->sy)
445: break;
1.132 nicm 446: cx = s->cx;
447: for (xx = px; xx < px + nx; xx++) {
1.137 nicm 448: if (xx >= grid_get_line(gd, yy)->cellsize)
1.132 nicm 449: break;
450: grid_get_cell(gd, xx, yy, &gc);
1.135 nicm 451: if (xx + gc.data.width > px + nx)
452: break;
1.132 nicm 453: if (!grid_cells_equal(&gc, &grid_default_cell))
454: grid_view_set_cell(ctx->s->grid, cx, cy, &gc);
455: cx++;
456: }
1.1 nicm 457: cy++;
1.125 nicm 458: }
459: }
460:
1.129 nicm 461: /* Draw a horizontal line on screen. */
1.125 nicm 462: void
1.129 nicm 463: screen_write_hline(struct screen_write_ctx *ctx, u_int nx, int left, int right)
1.125 nicm 464: {
465: struct screen *s = ctx->s;
466: struct grid_cell gc;
467: u_int cx, cy, i;
468:
469: cx = s->cx;
470: cy = s->cy;
471:
472: memcpy(&gc, &grid_default_cell, sizeof gc);
473: gc.attr |= GRID_ATTR_CHARSET;
474:
475: screen_write_putc(ctx, &gc, left ? 't' : 'q');
476: for (i = 1; i < nx - 1; i++)
477: screen_write_putc(ctx, &gc, 'q');
478: screen_write_putc(ctx, &gc, right ? 'u' : 'q');
1.129 nicm 479:
480: screen_write_cursormove(ctx, cx, cy);
481: }
482:
483: /* Draw a horizontal line on screen. */
484: void
1.130 nicm 485: screen_write_vline(struct screen_write_ctx *ctx, u_int ny, int top, int bottom)
1.129 nicm 486: {
487: struct screen *s = ctx->s;
488: struct grid_cell gc;
489: u_int cx, cy, i;
490:
491: cx = s->cx;
492: cy = s->cy;
493:
494: memcpy(&gc, &grid_default_cell, sizeof gc);
495: gc.attr |= GRID_ATTR_CHARSET;
496:
497: screen_write_putc(ctx, &gc, top ? 'w' : 'x');
498: for (i = 1; i < ny - 1; i++) {
499: screen_write_cursormove(ctx, cx, cy + i);
500: screen_write_putc(ctx, &gc, 'x');
501: }
1.133 nicm 502: screen_write_cursormove(ctx, cx, cy + ny - 1);
1.129 nicm 503: screen_write_putc(ctx, &gc, bottom ? 'v' : 'x');
1.125 nicm 504:
505: screen_write_cursormove(ctx, cx, cy);
506: }
507:
508: /* Draw a box on screen. */
509: void
510: screen_write_box(struct screen_write_ctx *ctx, u_int nx, u_int ny)
511: {
512: struct screen *s = ctx->s;
513: struct grid_cell gc;
514: u_int cx, cy, i;
515:
516: cx = s->cx;
517: cy = s->cy;
518:
519: memcpy(&gc, &grid_default_cell, sizeof gc);
520: gc.attr |= GRID_ATTR_CHARSET;
521:
522: screen_write_putc(ctx, &gc, 'l');
523: for (i = 1; i < nx - 1; i++)
524: screen_write_putc(ctx, &gc, 'q');
525: screen_write_putc(ctx, &gc, 'k');
526:
527: screen_write_cursormove(ctx, cx, cy + ny - 1);
528: screen_write_putc(ctx, &gc, 'm');
529: for (i = 1; i < nx - 1; i++)
530: screen_write_putc(ctx, &gc, 'q');
531: screen_write_putc(ctx, &gc, 'j');
532:
533: for (i = 1; i < ny - 1; i++) {
534: screen_write_cursormove(ctx, cx, cy + i);
535: screen_write_putc(ctx, &gc, 'x');
536: }
537: for (i = 1; i < ny - 1; i++) {
538: screen_write_cursormove(ctx, cx + nx - 1, cy + i);
539: screen_write_putc(ctx, &gc, 'x');
540: }
541:
542: screen_write_cursormove(ctx, cx, cy);
543: }
544:
1.132 nicm 545: /*
546: * Write a preview version of a window. Assumes target area is big enough and
547: * already cleared.
548: */
1.125 nicm 549: void
550: screen_write_preview(struct screen_write_ctx *ctx, struct screen *src, u_int nx,
551: u_int ny)
552: {
553: struct screen *s = ctx->s;
554: struct grid_cell gc;
555: u_int cx, cy, px, py;
556:
557: cx = s->cx;
558: cy = s->cy;
559:
560: /*
561: * If the cursor is on, pick the area around the cursor, otherwise use
562: * the top left.
563: */
564: if (src->mode & MODE_CURSOR) {
565: px = src->cx;
566: if (px < nx / 3)
567: px = 0;
568: else
569: px = px - nx / 3;
570: if (px + nx > screen_size_x(src)) {
571: if (nx > screen_size_x(src))
572: px = 0;
573: else
574: px = screen_size_x(src) - nx;
575: }
576: py = src->cy;
577: if (py < ny / 3)
578: py = 0;
579: else
580: py = py - ny / 3;
581: if (py + ny > screen_size_y(src)) {
582: if (ny > screen_size_y(src))
583: py = 0;
584: else
585: py = screen_size_y(src) - ny;
586: }
587: } else {
588: px = 0;
589: py = 0;
590: }
591:
1.132 nicm 592: screen_write_fast_copy(ctx, src, px, src->grid->hsize + py, nx, ny);
1.125 nicm 593:
594: if (src->mode & MODE_CURSOR) {
595: grid_view_get_cell(src->grid, src->cx, src->cy, &gc);
596: gc.attr |= GRID_ATTR_REVERSE;
597: screen_write_cursormove(ctx, cx + (src->cx - px),
598: cy + (src->cy - py));
599: screen_write_cell(ctx, &gc);
1.1 nicm 600: }
601: }
602:
1.17 nicm 603: /* Set up context for TTY command. */
1.87 nicm 604: static void
605: screen_write_initctx(struct screen_write_ctx *ctx, struct tty_ctx *ttyctx)
1.1 nicm 606: {
1.87 nicm 607: struct screen *s = ctx->s;
1.123 nicm 608:
609: memset(ttyctx, 0, sizeof *ttyctx);
1.1 nicm 610:
1.17 nicm 611: ttyctx->wp = ctx->wp;
1.1 nicm 612:
1.17 nicm 613: ttyctx->ocx = s->cx;
614: ttyctx->ocy = s->cy;
615:
616: ttyctx->orlower = s->rlower;
617: ttyctx->orupper = s->rupper;
1.87 nicm 618: }
1.31 nicm 619:
1.61 nicm 620: /* Set a mode. */
621: void
622: screen_write_mode_set(struct screen_write_ctx *ctx, int mode)
623: {
624: struct screen *s = ctx->s;
625:
626: s->mode |= mode;
627: }
628:
629: /* Clear a mode. */
630: void
631: screen_write_mode_clear(struct screen_write_ctx *ctx, int mode)
632: {
633: struct screen *s = ctx->s;
634:
635: s->mode &= ~mode;
636: }
637:
1.1 nicm 638: /* Cursor up by ny. */
639: void
640: screen_write_cursorup(struct screen_write_ctx *ctx, u_int ny)
641: {
642: struct screen *s = ctx->s;
1.139 nicm 643: u_int cx = s->cx, cy = s->cy;
1.1 nicm 644:
645: if (ny == 0)
646: ny = 1;
647:
1.139 nicm 648: if (cy < s->rupper) {
1.12 nicm 649: /* Above region. */
1.139 nicm 650: if (ny > cy)
651: ny = cy;
1.12 nicm 652: } else {
653: /* Below region. */
1.139 nicm 654: if (ny > cy - s->rupper)
655: ny = cy - s->rupper;
1.12 nicm 656: }
1.139 nicm 657: if (cx == screen_size_x(s))
658: cx--;
659:
660: cy -= ny;
1.1 nicm 661:
1.139 nicm 662: screen_write_set_cursor(ctx, cx, cy);
1.1 nicm 663: }
664:
665: /* Cursor down by ny. */
666: void
667: screen_write_cursordown(struct screen_write_ctx *ctx, u_int ny)
668: {
669: struct screen *s = ctx->s;
1.139 nicm 670: u_int cx = s->cx, cy = s->cy;
1.1 nicm 671:
672: if (ny == 0)
673: ny = 1;
674:
1.139 nicm 675: if (cy > s->rlower) {
1.12 nicm 676: /* Below region. */
1.139 nicm 677: if (ny > screen_size_y(s) - 1 - cy)
678: ny = screen_size_y(s) - 1 - cy;
1.12 nicm 679: } else {
680: /* Above region. */
1.139 nicm 681: if (ny > s->rlower - cy)
682: ny = s->rlower - cy;
1.12 nicm 683: }
1.139 nicm 684: if (cx == screen_size_x(s))
685: cx--;
686: else if (ny == 0)
1.1 nicm 687: return;
688:
1.139 nicm 689: cy += ny;
690:
691: screen_write_set_cursor(ctx, cx, cy);
1.1 nicm 692: }
693:
1.101 nicm 694: /* Cursor right by nx. */
1.1 nicm 695: void
696: screen_write_cursorright(struct screen_write_ctx *ctx, u_int nx)
697: {
698: struct screen *s = ctx->s;
1.139 nicm 699: u_int cx = s->cx, cy = s->cy;
1.1 nicm 700:
701: if (nx == 0)
702: nx = 1;
703:
1.139 nicm 704: if (nx > screen_size_x(s) - 1 - cx)
705: nx = screen_size_x(s) - 1 - cx;
1.1 nicm 706: if (nx == 0)
707: return;
708:
1.139 nicm 709: cx += nx;
710:
711: screen_write_set_cursor(ctx, cx, cy);
1.1 nicm 712: }
713:
714: /* Cursor left by nx. */
715: void
716: screen_write_cursorleft(struct screen_write_ctx *ctx, u_int nx)
717: {
718: struct screen *s = ctx->s;
1.139 nicm 719: u_int cx = s->cx, cy = s->cy;
1.1 nicm 720:
721: if (nx == 0)
722: nx = 1;
723:
1.139 nicm 724: if (nx > cx)
725: nx = cx;
1.1 nicm 726: if (nx == 0)
727: return;
728:
1.139 nicm 729: cx -= nx;
730:
731: screen_write_set_cursor(ctx, cx, cy);
1.5 nicm 732: }
733:
1.29 nicm 734: /* Backspace; cursor left unless at start of wrapped line when can move up. */
735: void
736: screen_write_backspace(struct screen_write_ctx *ctx)
737: {
738: struct screen *s = ctx->s;
739: struct grid_line *gl;
1.139 nicm 740: u_int cx = s->cx, cy = s->cy;
1.29 nicm 741:
1.139 nicm 742: if (cx == 0) {
743: if (cy == 0)
1.29 nicm 744: return;
1.139 nicm 745: gl = grid_get_line(s->grid, s->grid->hsize + cy - 1);
1.29 nicm 746: if (gl->flags & GRID_LINE_WRAPPED) {
1.139 nicm 747: cy--;
748: cx = screen_size_x(s) - 1;
1.29 nicm 749: }
750: } else
1.139 nicm 751: cx--;
752:
753: screen_write_set_cursor(ctx, cx, cy);
1.29 nicm 754: }
755:
1.5 nicm 756: /* VT100 alignment test. */
757: void
758: screen_write_alignmenttest(struct screen_write_ctx *ctx)
759: {
760: struct screen *s = ctx->s;
1.17 nicm 761: struct tty_ctx ttyctx;
1.5 nicm 762: struct grid_cell gc;
763: u_int xx, yy;
764:
765: memcpy(&gc, &grid_default_cell, sizeof gc);
1.77 nicm 766: utf8_set(&gc.data, 'E');
1.7 ray 767:
1.5 nicm 768: for (yy = 0; yy < screen_size_y(s); yy++) {
769: for (xx = 0; xx < screen_size_x(s); xx++)
770: grid_view_set_cell(s->grid, xx, yy, &gc);
771: }
1.7 ray 772:
1.139 nicm 773: screen_write_set_cursor(ctx, 0, 0);
1.5 nicm 774:
775: s->rupper = 0;
776: s->rlower = screen_size_y(s) - 1;
777:
1.109 nicm 778: screen_write_collect_clear(ctx, 0, screen_size_y(s) - 1);
1.17 nicm 779: tty_write(tty_cmd_alignmenttest, &ttyctx);
1.1 nicm 780: }
781:
782: /* Insert nx characters. */
783: void
1.99 nicm 784: screen_write_insertcharacter(struct screen_write_ctx *ctx, u_int nx, u_int bg)
1.1 nicm 785: {
786: struct screen *s = ctx->s;
1.17 nicm 787: struct tty_ctx ttyctx;
1.1 nicm 788:
789: if (nx == 0)
790: nx = 1;
791:
1.9 nicm 792: if (nx > screen_size_x(s) - s->cx)
793: nx = screen_size_x(s) - s->cx;
1.1 nicm 794: if (nx == 0)
795: return;
796:
1.107 nicm 797: if (s->cx > screen_size_x(s) - 1)
798: return;
799:
1.87 nicm 800: screen_write_initctx(ctx, &ttyctx);
1.107 nicm 801: ttyctx.bg = bg;
1.1 nicm 802:
1.107 nicm 803: grid_view_insert_cells(s->grid, s->cx, s->cy, nx, bg);
1.1 nicm 804:
1.111 nicm 805: screen_write_collect_flush(ctx, 0);
1.17 nicm 806: ttyctx.num = nx;
807: tty_write(tty_cmd_insertcharacter, &ttyctx);
1.1 nicm 808: }
809:
810: /* Delete nx characters. */
811: void
1.99 nicm 812: screen_write_deletecharacter(struct screen_write_ctx *ctx, u_int nx, u_int bg)
1.1 nicm 813: {
814: struct screen *s = ctx->s;
1.17 nicm 815: struct tty_ctx ttyctx;
1.1 nicm 816:
817: if (nx == 0)
818: nx = 1;
819:
1.9 nicm 820: if (nx > screen_size_x(s) - s->cx)
821: nx = screen_size_x(s) - s->cx;
1.1 nicm 822: if (nx == 0)
823: return;
824:
1.107 nicm 825: if (s->cx > screen_size_x(s) - 1)
826: return;
827:
1.87 nicm 828: screen_write_initctx(ctx, &ttyctx);
1.107 nicm 829: ttyctx.bg = bg;
1.1 nicm 830:
1.107 nicm 831: grid_view_delete_cells(s->grid, s->cx, s->cy, nx, bg);
1.1 nicm 832:
1.111 nicm 833: screen_write_collect_flush(ctx, 0);
1.17 nicm 834: ttyctx.num = nx;
835: tty_write(tty_cmd_deletecharacter, &ttyctx);
1.59 nicm 836: }
837:
838: /* Clear nx characters. */
839: void
1.121 nicm 840: screen_write_clearcharacter(struct screen_write_ctx *ctx, u_int nx, u_int bg)
1.59 nicm 841: {
842: struct screen *s = ctx->s;
843: struct tty_ctx ttyctx;
844:
845: if (nx == 0)
846: nx = 1;
847:
848: if (nx > screen_size_x(s) - s->cx)
849: nx = screen_size_x(s) - s->cx;
850: if (nx == 0)
851: return;
852:
1.107 nicm 853: if (s->cx > screen_size_x(s) - 1)
854: return;
855:
1.87 nicm 856: screen_write_initctx(ctx, &ttyctx);
1.121 nicm 857: ttyctx.bg = bg;
1.59 nicm 858:
1.124 nicm 859: grid_view_clear(s->grid, s->cx, s->cy, nx, 1, bg);
1.59 nicm 860:
1.111 nicm 861: screen_write_collect_flush(ctx, 0);
1.59 nicm 862: ttyctx.num = nx;
863: tty_write(tty_cmd_clearcharacter, &ttyctx);
1.1 nicm 864: }
865:
866: /* Insert ny lines. */
867: void
1.99 nicm 868: screen_write_insertline(struct screen_write_ctx *ctx, u_int ny, u_int bg)
1.1 nicm 869: {
870: struct screen *s = ctx->s;
1.107 nicm 871: struct grid *gd = s->grid;
1.17 nicm 872: struct tty_ctx ttyctx;
1.1 nicm 873:
874: if (ny == 0)
875: ny = 1;
876:
1.11 nicm 877: if (s->cy < s->rupper || s->cy > s->rlower) {
878: if (ny > screen_size_y(s) - s->cy)
879: ny = screen_size_y(s) - s->cy;
880: if (ny == 0)
881: return;
882:
1.87 nicm 883: screen_write_initctx(ctx, &ttyctx);
1.107 nicm 884: ttyctx.bg = bg;
1.11 nicm 885:
1.107 nicm 886: grid_view_insert_lines(gd, s->cy, ny, bg);
1.11 nicm 887:
1.111 nicm 888: screen_write_collect_flush(ctx, 0);
1.17 nicm 889: ttyctx.num = ny;
890: tty_write(tty_cmd_insertline, &ttyctx);
1.11 nicm 891: return;
892: }
893:
894: if (ny > s->rlower + 1 - s->cy)
895: ny = s->rlower + 1 - s->cy;
1.1 nicm 896: if (ny == 0)
897: return;
1.41 nicm 898:
1.87 nicm 899: screen_write_initctx(ctx, &ttyctx);
1.107 nicm 900: ttyctx.bg = bg;
1.1 nicm 901:
902: if (s->cy < s->rupper || s->cy > s->rlower)
1.107 nicm 903: grid_view_insert_lines(gd, s->cy, ny, bg);
904: else
905: grid_view_insert_lines_region(gd, s->rlower, s->cy, ny, bg);
1.1 nicm 906:
1.111 nicm 907: screen_write_collect_flush(ctx, 0);
1.17 nicm 908: ttyctx.num = ny;
909: tty_write(tty_cmd_insertline, &ttyctx);
1.1 nicm 910: }
911:
912: /* Delete ny lines. */
913: void
1.99 nicm 914: screen_write_deleteline(struct screen_write_ctx *ctx, u_int ny, u_int bg)
1.1 nicm 915: {
916: struct screen *s = ctx->s;
1.107 nicm 917: struct grid *gd = s->grid;
1.17 nicm 918: struct tty_ctx ttyctx;
1.1 nicm 919:
920: if (ny == 0)
921: ny = 1;
922:
1.11 nicm 923: if (s->cy < s->rupper || s->cy > s->rlower) {
924: if (ny > screen_size_y(s) - s->cy)
925: ny = screen_size_y(s) - s->cy;
926: if (ny == 0)
927: return;
928:
1.87 nicm 929: screen_write_initctx(ctx, &ttyctx);
1.107 nicm 930: ttyctx.bg = bg;
1.11 nicm 931:
1.107 nicm 932: grid_view_delete_lines(gd, s->cy, ny, bg);
1.11 nicm 933:
1.111 nicm 934: screen_write_collect_flush(ctx, 0);
1.17 nicm 935: ttyctx.num = ny;
936: tty_write(tty_cmd_deleteline, &ttyctx);
1.11 nicm 937: return;
938: }
1.41 nicm 939:
1.11 nicm 940: if (ny > s->rlower + 1 - s->cy)
941: ny = s->rlower + 1 - s->cy;
1.1 nicm 942: if (ny == 0)
943: return;
944:
1.87 nicm 945: screen_write_initctx(ctx, &ttyctx);
1.107 nicm 946: ttyctx.bg = bg;
1.1 nicm 947:
948: if (s->cy < s->rupper || s->cy > s->rlower)
1.107 nicm 949: grid_view_delete_lines(gd, s->cy, ny, bg);
950: else
951: grid_view_delete_lines_region(gd, s->rlower, s->cy, ny, bg);
1.1 nicm 952:
1.111 nicm 953: screen_write_collect_flush(ctx, 0);
1.17 nicm 954: ttyctx.num = ny;
955: tty_write(tty_cmd_deleteline, &ttyctx);
1.1 nicm 956: }
957:
958: /* Clear line at cursor. */
959: void
1.99 nicm 960: screen_write_clearline(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 961: {
1.92 nicm 962: struct screen *s = ctx->s;
963: struct grid_line *gl;
964: struct tty_ctx ttyctx;
965: u_int sx = screen_size_x(s);
1.1 nicm 966:
1.137 nicm 967: gl = grid_get_line(s->grid, s->grid->hsize + s->cy);
1.140 ! nicm 968: if (gl->cellsize == 0 && COLOUR_DEFAULT(bg))
1.92 nicm 969: return;
1.1 nicm 970:
1.108 nicm 971: screen_write_initctx(ctx, &ttyctx);
972: ttyctx.bg = bg;
973:
1.99 nicm 974: grid_view_clear(s->grid, 0, s->cy, sx, 1, bg);
975:
1.109 nicm 976: screen_write_collect_clear(ctx, s->cy, 1);
1.114 nicm 977: screen_write_collect_flush(ctx, 0);
1.17 nicm 978: tty_write(tty_cmd_clearline, &ttyctx);
1.1 nicm 979: }
980:
981: /* Clear to end of line from cursor. */
982: void
1.99 nicm 983: screen_write_clearendofline(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 984: {
1.92 nicm 985: struct screen *s = ctx->s;
986: struct grid_line *gl;
987: struct tty_ctx ttyctx;
988: u_int sx = screen_size_x(s);
1.1 nicm 989:
1.137 nicm 990: gl = grid_get_line(s->grid, s->grid->hsize + s->cy);
1.140 ! nicm 991: if (s->cx > sx - 1 || (s->cx >= gl->cellsize && COLOUR_DEFAULT(bg)))
1.92 nicm 992: return;
1.108 nicm 993:
994: screen_write_initctx(ctx, &ttyctx);
995: ttyctx.bg = bg;
1.1 nicm 996:
1.99 nicm 997: grid_view_clear(s->grid, s->cx, s->cy, sx - s->cx, 1, bg);
998:
1.109 nicm 999: if (s->cx == 0)
1000: screen_write_collect_clear(ctx, s->cy, 1);
1.114 nicm 1001: screen_write_collect_flush(ctx, 0);
1.41 nicm 1002: tty_write(tty_cmd_clearendofline, &ttyctx);
1.1 nicm 1003: }
1004:
1005: /* Clear to start of line from cursor. */
1006: void
1.99 nicm 1007: screen_write_clearstartofline(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 1008: {
1009: struct screen *s = ctx->s;
1.17 nicm 1010: struct tty_ctx ttyctx;
1.92 nicm 1011: u_int sx = screen_size_x(s);
1.1 nicm 1012:
1.87 nicm 1013: screen_write_initctx(ctx, &ttyctx);
1.99 nicm 1014: ttyctx.bg = bg;
1.1 nicm 1015:
1.109 nicm 1016: if (s->cx > sx - 1)
1.99 nicm 1017: grid_view_clear(s->grid, 0, s->cy, sx, 1, bg);
1.109 nicm 1018: else
1.99 nicm 1019: grid_view_clear(s->grid, 0, s->cy, s->cx + 1, 1, bg);
1.1 nicm 1020:
1.109 nicm 1021: if (s->cx > sx - 1)
1022: screen_write_collect_clear(ctx, s->cy, 1);
1.114 nicm 1023: screen_write_collect_flush(ctx, 0);
1.17 nicm 1024: tty_write(tty_cmd_clearstartofline, &ttyctx);
1.1 nicm 1025: }
1026:
1.101 nicm 1027: /* Move cursor to px,py. */
1.1 nicm 1028: void
1029: screen_write_cursormove(struct screen_write_ctx *ctx, u_int px, u_int py)
1030: {
1031: struct screen *s = ctx->s;
1032:
1033: if (px > screen_size_x(s) - 1)
1034: px = screen_size_x(s) - 1;
1035: if (py > screen_size_y(s) - 1)
1036: py = screen_size_y(s) - 1;
1037:
1.139 nicm 1038: screen_write_set_cursor(ctx, px, py);
1.1 nicm 1039: }
1040:
1.101 nicm 1041: /* Reverse index (up with scroll). */
1.1 nicm 1042: void
1.122 nicm 1043: screen_write_reverseindex(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 1044: {
1045: struct screen *s = ctx->s;
1.17 nicm 1046: struct tty_ctx ttyctx;
1.1 nicm 1047:
1.87 nicm 1048: screen_write_initctx(ctx, &ttyctx);
1.122 nicm 1049: ttyctx.bg = bg;
1.1 nicm 1050:
1.109 nicm 1051: if (s->cy == s->rupper)
1.122 nicm 1052: grid_view_scroll_region_down(s->grid, s->rupper, s->rlower, bg);
1.109 nicm 1053: else if (s->cy > 0)
1.139 nicm 1054: screen_write_set_cursor(ctx, -1, s->cy - 1);
1.1 nicm 1055:
1.111 nicm 1056: screen_write_collect_flush(ctx, 0);
1.17 nicm 1057: tty_write(tty_cmd_reverseindex, &ttyctx);
1.1 nicm 1058: }
1059:
1060: /* Set scroll region. */
1061: void
1.83 nicm 1062: screen_write_scrollregion(struct screen_write_ctx *ctx, u_int rupper,
1063: u_int rlower)
1.1 nicm 1064: {
1065: struct screen *s = ctx->s;
1066:
1067: if (rupper > screen_size_y(s) - 1)
1068: rupper = screen_size_y(s) - 1;
1069: if (rlower > screen_size_y(s) - 1)
1070: rlower = screen_size_y(s) - 1;
1.13 nicm 1071: if (rupper >= rlower) /* cannot be one line */
1.1 nicm 1072: return;
1073:
1.111 nicm 1074: screen_write_collect_flush(ctx, 0);
1.110 nicm 1075:
1.1 nicm 1076: /* Cursor moves to top-left. */
1.139 nicm 1077: screen_write_set_cursor(ctx, 0, 0);
1.1 nicm 1078:
1079: s->rupper = rupper;
1080: s->rlower = rlower;
1081: }
1082:
1.34 nicm 1083: /* Line feed. */
1.1 nicm 1084: void
1.122 nicm 1085: screen_write_linefeed(struct screen_write_ctx *ctx, int wrapped, u_int bg)
1.1 nicm 1086: {
1.20 nicm 1087: struct screen *s = ctx->s;
1.109 nicm 1088: struct grid *gd = s->grid;
1.20 nicm 1089: struct grid_line *gl;
1.1 nicm 1090:
1.137 nicm 1091: gl = grid_get_line(gd, gd->hsize + s->cy);
1.20 nicm 1092: if (wrapped)
1093: gl->flags |= GRID_LINE_WRAPPED;
1.73 nicm 1094: else
1095: gl->flags &= ~GRID_LINE_WRAPPED;
1.20 nicm 1096:
1.114 nicm 1097: log_debug("%s: at %u,%u (region %u-%u)", __func__, s->cx, s->cy,
1098: s->rupper, s->rlower);
1099:
1.122 nicm 1100: if (bg != ctx->bg) {
1101: screen_write_collect_flush(ctx, 1);
1102: ctx->bg = bg;
1103: }
1104:
1.92 nicm 1105: if (s->cy == s->rlower) {
1.122 nicm 1106: grid_view_scroll_region_up(gd, s->rupper, s->rlower, bg);
1.109 nicm 1107: screen_write_collect_scroll(ctx);
1.110 nicm 1108: ctx->scrolled++;
1.109 nicm 1109: } else if (s->cy < screen_size_y(s) - 1)
1.139 nicm 1110: screen_write_set_cursor(ctx, -1, s->cy + 1);
1.1 nicm 1111: }
1112:
1.110 nicm 1113: /* Scroll up. */
1114: void
1.122 nicm 1115: screen_write_scrollup(struct screen_write_ctx *ctx, u_int lines, u_int bg)
1.110 nicm 1116: {
1117: struct screen *s = ctx->s;
1118: struct grid *gd = s->grid;
1119: u_int i;
1120:
1121: if (lines == 0)
1122: lines = 1;
1123: else if (lines > s->rlower - s->rupper + 1)
1124: lines = s->rlower - s->rupper + 1;
1125:
1.122 nicm 1126: if (bg != ctx->bg) {
1127: screen_write_collect_flush(ctx, 1);
1128: ctx->bg = bg;
1129: }
1130:
1.110 nicm 1131: for (i = 0; i < lines; i++) {
1.122 nicm 1132: grid_view_scroll_region_up(gd, s->rupper, s->rlower, bg);
1.110 nicm 1133: screen_write_collect_scroll(ctx);
1134: }
1135: ctx->scrolled += lines;
1136: }
1137:
1.1 nicm 1138: /* Carriage return (cursor to start of line). */
1139: void
1140: screen_write_carriagereturn(struct screen_write_ctx *ctx)
1141: {
1.139 nicm 1142: screen_write_set_cursor(ctx, 0, -1);
1.1 nicm 1143: }
1144:
1145: /* Clear to end of screen from cursor. */
1146: void
1.99 nicm 1147: screen_write_clearendofscreen(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 1148: {
1149: struct screen *s = ctx->s;
1.107 nicm 1150: struct grid *gd = s->grid;
1.17 nicm 1151: struct tty_ctx ttyctx;
1.92 nicm 1152: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1153:
1.87 nicm 1154: screen_write_initctx(ctx, &ttyctx);
1.99 nicm 1155: ttyctx.bg = bg;
1.1 nicm 1156:
1.46 nicm 1157: /* Scroll into history if it is enabled and clearing entire screen. */
1.109 nicm 1158: if (s->cx == 0 && s->cy == 0 && (gd->flags & GRID_HISTORY))
1.107 nicm 1159: grid_view_clear_history(gd, bg);
1.109 nicm 1160: else {
1161: if (s->cx <= sx - 1)
1.107 nicm 1162: grid_view_clear(gd, s->cx, s->cy, sx - s->cx, 1, bg);
1163: grid_view_clear(gd, 0, s->cy + 1, sx, sy - (s->cy + 1), bg);
1.46 nicm 1164: }
1.1 nicm 1165:
1.109 nicm 1166: screen_write_collect_clear(ctx, s->cy + 1, sy - (s->cy + 1));
1.111 nicm 1167: screen_write_collect_flush(ctx, 0);
1.17 nicm 1168: tty_write(tty_cmd_clearendofscreen, &ttyctx);
1.1 nicm 1169: }
1170:
1171: /* Clear to start of screen. */
1172: void
1.105 nicm 1173: screen_write_clearstartofscreen(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 1174: {
1175: struct screen *s = ctx->s;
1.17 nicm 1176: struct tty_ctx ttyctx;
1.92 nicm 1177: u_int sx = screen_size_x(s);
1.1 nicm 1178:
1.87 nicm 1179: screen_write_initctx(ctx, &ttyctx);
1.105 nicm 1180: ttyctx.bg = bg;
1.1 nicm 1181:
1.109 nicm 1182: if (s->cy > 0)
1.105 nicm 1183: grid_view_clear(s->grid, 0, 0, sx, s->cy, bg);
1.109 nicm 1184: if (s->cx > sx - 1)
1.120 nicm 1185: grid_view_clear(s->grid, 0, s->cy, sx, 1, bg);
1.109 nicm 1186: else
1.120 nicm 1187: grid_view_clear(s->grid, 0, s->cy, s->cx + 1, 1, bg);
1.1 nicm 1188:
1.109 nicm 1189: screen_write_collect_clear(ctx, 0, s->cy);
1.111 nicm 1190: screen_write_collect_flush(ctx, 0);
1.17 nicm 1191: tty_write(tty_cmd_clearstartofscreen, &ttyctx);
1.1 nicm 1192: }
1193:
1194: /* Clear entire screen. */
1195: void
1.99 nicm 1196: screen_write_clearscreen(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 1197: {
1198: struct screen *s = ctx->s;
1.17 nicm 1199: struct tty_ctx ttyctx;
1.92 nicm 1200: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1201:
1.87 nicm 1202: screen_write_initctx(ctx, &ttyctx);
1.99 nicm 1203: ttyctx.bg = bg;
1.1 nicm 1204:
1.46 nicm 1205: /* Scroll into history if it is enabled. */
1206: if (s->grid->flags & GRID_HISTORY)
1.99 nicm 1207: grid_view_clear_history(s->grid, bg);
1.83 nicm 1208: else
1.99 nicm 1209: grid_view_clear(s->grid, 0, 0, sx, sy, bg);
1.1 nicm 1210:
1.109 nicm 1211: screen_write_collect_clear(ctx, 0, sy);
1.17 nicm 1212: tty_write(tty_cmd_clearscreen, &ttyctx);
1.51 nicm 1213: }
1214:
1215: /* Clear entire history. */
1216: void
1217: screen_write_clearhistory(struct screen_write_ctx *ctx)
1218: {
1219: struct screen *s = ctx->s;
1220: struct grid *gd = s->grid;
1221:
1.99 nicm 1222: grid_move_lines(gd, 0, gd->hsize, gd->sy, 8);
1.93 nicm 1223: gd->hscrolled = gd->hsize = 0;
1.1 nicm 1224: }
1225:
1.109 nicm 1226: /* Clear a collected line. */
1227: static void
1228: screen_write_collect_clear(struct screen_write_ctx *ctx, u_int y, u_int n)
1229: {
1230: struct screen_write_collect_item *ci, *tmp;
1231: u_int i;
1232: size_t size;
1233:
1234: for (i = y ; i < y + n; i++) {
1235: if (TAILQ_EMPTY(&ctx->list[i].items))
1236: continue;
1237: size = 0;
1238: TAILQ_FOREACH_SAFE(ci, &ctx->list[i].items, entry, tmp) {
1239: size += ci->used;
1240: TAILQ_REMOVE(&ctx->list[i].items, ci, entry);
1241: free(ci);
1242: }
1243: ctx->skipped += size;
1.114 nicm 1244: log_debug("%s: dropped %zu bytes (line %u)", __func__, size, i);
1.109 nicm 1245: }
1246: }
1247:
1248: /* Scroll collected lines up. */
1249: static void
1250: screen_write_collect_scroll(struct screen_write_ctx *ctx)
1251: {
1252: struct screen *s = ctx->s;
1253: struct screen_write_collect_line *cl;
1254: u_int y;
1255:
1.114 nicm 1256: log_debug("%s: at %u,%u (region %u-%u)", __func__, s->cx, s->cy,
1257: s->rupper, s->rlower);
1258:
1.109 nicm 1259: screen_write_collect_clear(ctx, s->rupper, 1);
1260: for (y = s->rupper; y < s->rlower; y++) {
1261: cl = &ctx->list[y + 1];
1262: TAILQ_CONCAT(&ctx->list[y].items, &cl->items, entry);
1263: TAILQ_INIT(&cl->items);
1264: }
1265: }
1266:
1267: /* Flush collected lines. */
1268: static void
1.111 nicm 1269: screen_write_collect_flush(struct screen_write_ctx *ctx, int scroll_only)
1.109 nicm 1270: {
1271: struct screen *s = ctx->s;
1272: struct screen_write_collect_item *ci, *tmp;
1.116 nicm 1273: u_int y, cx, cy, items = 0;
1.109 nicm 1274: struct tty_ctx ttyctx;
1.116 nicm 1275: size_t written = 0;
1.110 nicm 1276:
1277: if (ctx->scrolled != 0) {
1278: log_debug("%s: scrolled %u (region %u-%u)", __func__,
1279: ctx->scrolled, s->rupper, s->rlower);
1280: if (ctx->scrolled > s->rlower - s->rupper + 1)
1281: ctx->scrolled = s->rlower - s->rupper + 1;
1282:
1283: screen_write_initctx(ctx, &ttyctx);
1284: ttyctx.num = ctx->scrolled;
1.122 nicm 1285: ttyctx.bg = ctx->bg;
1.110 nicm 1286: tty_write(tty_cmd_scrollup, &ttyctx);
1287: }
1288: ctx->scrolled = 0;
1.122 nicm 1289: ctx->bg = 8;
1290:
1.111 nicm 1291: if (scroll_only)
1292: return;
1.109 nicm 1293:
1294: cx = s->cx; cy = s->cy;
1295: for (y = 0; y < screen_size_y(s); y++) {
1296: TAILQ_FOREACH_SAFE(ci, &ctx->list[y].items, entry, tmp) {
1297: screen_write_cursormove(ctx, ci->x, y);
1298: screen_write_initctx(ctx, &ttyctx);
1299: ttyctx.cell = &ci->gc;
1.118 nicm 1300: ttyctx.wrapped = ci->wrapped;
1.109 nicm 1301: ttyctx.ptr = ci->data;
1302: ttyctx.num = ci->used;
1303: tty_write(tty_cmd_cells, &ttyctx);
1.116 nicm 1304:
1305: items++;
1306: written += ci->used;
1.109 nicm 1307:
1308: TAILQ_REMOVE(&ctx->list[y].items, ci, entry);
1309: free(ci);
1310: }
1311: }
1312: s->cx = cx; s->cy = cy;
1.116 nicm 1313:
1314: log_debug("%s: flushed %u items (%zu bytes)", __func__, items, written);
1315: ctx->written += written;
1.109 nicm 1316: }
1317:
1318: /* Finish and store collected cells. */
1319: void
1320: screen_write_collect_end(struct screen_write_ctx *ctx)
1321: {
1322: struct screen *s = ctx->s;
1323: struct screen_write_collect_item *ci = ctx->item;
1324: struct grid_cell gc;
1.131 nicm 1325: u_int xx;
1.109 nicm 1326:
1327: if (ci->used == 0)
1328: return;
1329: ci->data[ci->used] = '\0';
1330:
1331: ci->x = s->cx;
1332: TAILQ_INSERT_TAIL(&ctx->list[s->cy].items, ci, entry);
1333: ctx->item = xcalloc(1, sizeof *ctx->item);
1334:
1335: log_debug("%s: %u %s (at %u,%u)", __func__, ci->used, ci->data, s->cx,
1336: s->cy);
1337:
1.131 nicm 1338: if (s->cx != 0) {
1339: for (xx = s->cx; xx > 0; xx--) {
1340: grid_view_get_cell(s->grid, xx, s->cy, &gc);
1341: if (~gc.flags & GRID_FLAG_PADDING)
1342: break;
1.136 nicm 1343: grid_view_set_cell(s->grid, xx, s->cy,
1344: &grid_default_cell);
1.131 nicm 1345: }
1.139 nicm 1346: if (gc.data.width > 1) {
1.136 nicm 1347: grid_view_set_cell(s->grid, xx, s->cy,
1348: &grid_default_cell);
1.139 nicm 1349: }
1.131 nicm 1350: }
1351:
1.109 nicm 1352: memcpy(&gc, &ci->gc, sizeof gc);
1353: grid_view_set_cells(s->grid, s->cx, s->cy, &gc, ci->data, ci->used);
1.139 nicm 1354: screen_write_set_cursor(ctx, s->cx + ci->used, -1);
1.131 nicm 1355:
1356: for (xx = s->cx; xx < screen_size_x(s); xx++) {
1357: grid_view_get_cell(s->grid, xx, s->cy, &gc);
1358: if (~gc.flags & GRID_FLAG_PADDING)
1359: break;
1360: grid_view_set_cell(s->grid, xx, s->cy, &grid_default_cell);
1361: }
1.109 nicm 1362: }
1363:
1364: /* Write cell data, collecting if necessary. */
1365: void
1366: screen_write_collect_add(struct screen_write_ctx *ctx,
1367: const struct grid_cell *gc)
1368: {
1369: struct screen *s = ctx->s;
1370: struct screen_write_collect_item *ci;
1371: u_int sx = screen_size_x(s);
1372: int collect;
1373:
1374: /*
1375: * Don't need to check that the attributes and whatnot are still the
1.116 nicm 1376: * same - input_parse will end the collection when anything that isn't
1377: * a plain character is encountered. Also nothing should make it here
1378: * that isn't a single ASCII character.
1.109 nicm 1379: */
1380:
1381: collect = 1;
1.136 nicm 1382: if (gc->data.width != 1 || gc->data.size != 1 || *gc->data.data >= 0x7f)
1.109 nicm 1383: collect = 0;
1384: else if (gc->attr & GRID_ATTR_CHARSET)
1385: collect = 0;
1386: else if (~s->mode & MODE_WRAP)
1387: collect = 0;
1388: else if (s->mode & MODE_INSERT)
1389: collect = 0;
1.138 nicm 1390: else if (s->sel != NULL)
1.109 nicm 1391: collect = 0;
1392: if (!collect) {
1393: screen_write_collect_end(ctx);
1.116 nicm 1394: screen_write_collect_flush(ctx, 0);
1.109 nicm 1395: screen_write_cell(ctx, gc);
1396: return;
1397: }
1398: ctx->cells++;
1399:
1400: if (s->cx > sx - 1 || ctx->item->used > sx - 1 - s->cx)
1401: screen_write_collect_end(ctx);
1.118 nicm 1402: ci = ctx->item; /* may have changed */
1403:
1.109 nicm 1404: if (s->cx > sx - 1) {
1.114 nicm 1405: log_debug("%s: wrapped at %u,%u", __func__, s->cx, s->cy);
1.118 nicm 1406: ci->wrapped = 1;
1.122 nicm 1407: screen_write_linefeed(ctx, 1, 8);
1.139 nicm 1408: screen_write_set_cursor(ctx, 0, -1);
1.109 nicm 1409: }
1410:
1411: if (ci->used == 0)
1412: memcpy(&ci->gc, gc, sizeof ci->gc);
1413: ci->data[ci->used++] = gc->data.data[0];
1414: if (ci->used == (sizeof ci->data) - 1)
1415: screen_write_collect_end(ctx);
1416: }
1417:
1.1 nicm 1418: /* Write cell data. */
1419: void
1.60 nicm 1420: screen_write_cell(struct screen_write_ctx *ctx, const struct grid_cell *gc)
1.1 nicm 1421: {
1422: struct screen *s = ctx->s;
1423: struct grid *gd = s->grid;
1.109 nicm 1424: struct grid_line *gl;
1425: struct grid_cell_entry *gce;
1426: struct grid_cell tmp_gc, now_gc;
1.15 nicm 1427: struct tty_ctx ttyctx;
1.92 nicm 1428: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.115 nicm 1429: u_int width = gc->data.width, xx, last, cx, cy;
1.109 nicm 1430: int selected, skip = 1;
1.1 nicm 1431:
1.109 nicm 1432: /* Ignore padding cells. */
1.1 nicm 1433: if (gc->flags & GRID_FLAG_PADDING)
1434: return;
1.109 nicm 1435: ctx->cells++;
1.32 nicm 1436:
1.109 nicm 1437: /* If the width is zero, combine onto the previous character. */
1.1 nicm 1438: if (width == 0) {
1.112 nicm 1439: screen_write_collect_flush(ctx, 0);
1.104 nicm 1440: if ((gc = screen_write_combine(ctx, &gc->data, &xx)) != 0) {
1.115 nicm 1441: cx = s->cx; cy = s->cy;
1.104 nicm 1442: screen_write_cursormove(ctx, xx, s->cy);
1.87 nicm 1443: screen_write_initctx(ctx, &ttyctx);
1.104 nicm 1444: ttyctx.cell = gc;
1445: tty_write(tty_cmd_cell, &ttyctx);
1.115 nicm 1446: s->cx = cx; s->cy = cy;
1.1 nicm 1447: }
1448: return;
1449: }
1.112 nicm 1450:
1451: /* Flush any existing scrolling. */
1452: screen_write_collect_flush(ctx, 1);
1.1 nicm 1453:
1.109 nicm 1454: /* If this character doesn't fit, ignore it. */
1455: if ((~s->mode & MODE_WRAP) &&
1456: width > 1 &&
1457: (width > sx || (s->cx != sx && s->cx > sx - width)))
1458: return;
1459:
1.6 nicm 1460: /* If in insert mode, make space for the cells. */
1.98 nicm 1461: if (s->mode & MODE_INSERT) {
1.109 nicm 1462: grid_view_insert_cells(s->grid, s->cx, s->cy, width, 8);
1463: skip = 0;
1464: }
1.6 nicm 1465:
1.20 nicm 1466: /* Check this will fit on the current line and wrap if not. */
1.92 nicm 1467: if ((s->mode & MODE_WRAP) && s->cx > sx - width) {
1.128 nicm 1468: log_debug("%s: wrapped at %u,%u", __func__, s->cx, s->cy);
1.122 nicm 1469: screen_write_linefeed(ctx, 1, 8);
1.139 nicm 1470: screen_write_set_cursor(ctx, 0, -1);
1.128 nicm 1471: screen_write_collect_flush(ctx, 1);
1.1 nicm 1472: }
1473:
1.64 nicm 1474: /* Sanity check cursor position. */
1.92 nicm 1475: if (s->cx > sx - width || s->cy > sy - 1)
1.1 nicm 1476: return;
1.106 nicm 1477: screen_write_initctx(ctx, &ttyctx);
1478:
1.1 nicm 1479: /* Handle overwriting of UTF-8 characters. */
1.137 nicm 1480: gl = grid_get_line(s->grid, s->grid->hsize + s->cy);
1.92 nicm 1481: if (gl->flags & GRID_LINE_EXTENDED) {
1482: grid_view_get_cell(gd, s->cx, s->cy, &now_gc);
1483: if (screen_write_overwrite(ctx, &now_gc, width))
1484: skip = 0;
1485: }
1.1 nicm 1486:
1487: /*
1488: * If the new character is UTF-8 wide, fill in padding cells. Have
1489: * already ensured there is enough room.
1490: */
1.89 nicm 1491: for (xx = s->cx + 1; xx < s->cx + width; xx++) {
1.131 nicm 1492: log_debug("%s: new padding at %u,%u", __func__, xx, s->cy);
1.88 nicm 1493: grid_view_set_cell(gd, xx, s->cy, &screen_write_pad_cell);
1.89 nicm 1494: skip = 0;
1495: }
1496:
1497: /* If no change, do not draw. */
1.92 nicm 1498: if (skip) {
1499: if (s->cx >= gl->cellsize)
1500: skip = grid_cells_equal(gc, &grid_default_cell);
1501: else {
1502: gce = &gl->celldata[s->cx];
1503: if (gce->flags & GRID_FLAG_EXTENDED)
1504: skip = 0;
1.95 nicm 1505: else if (gc->flags != gce->flags)
1.92 nicm 1506: skip = 0;
1507: else if (gc->attr != gce->data.attr)
1508: skip = 0;
1509: else if (gc->fg != gce->data.fg)
1510: skip = 0;
1511: else if (gc->bg != gce->data.bg)
1512: skip = 0;
1.95 nicm 1513: else if (gc->data.width != 1)
1514: skip = 0;
1.109 nicm 1515: else if (gc->data.size != 1)
1516: skip = 0;
1.95 nicm 1517: else if (gce->data.data != gc->data.data[0])
1.92 nicm 1518: skip = 0;
1519: }
1520: }
1.1 nicm 1521:
1.127 nicm 1522: /* Update the selected flag and set the cell. */
1.90 nicm 1523: selected = screen_check_selection(s, s->cx, s->cy);
1.109 nicm 1524: if (selected && (~gc->flags & GRID_FLAG_SELECTED)) {
1.90 nicm 1525: memcpy(&tmp_gc, gc, sizeof tmp_gc);
1526: tmp_gc.flags |= GRID_FLAG_SELECTED;
1527: grid_view_set_cell(gd, s->cx, s->cy, &tmp_gc);
1.109 nicm 1528: } else if (!selected && (gc->flags & GRID_FLAG_SELECTED)) {
1.90 nicm 1529: memcpy(&tmp_gc, gc, sizeof tmp_gc);
1530: tmp_gc.flags &= ~GRID_FLAG_SELECTED;
1531: grid_view_set_cell(gd, s->cx, s->cy, &tmp_gc);
1532: } else if (!skip)
1.89 nicm 1533: grid_view_set_cell(gd, s->cx, s->cy, gc);
1.109 nicm 1534: if (selected)
1535: skip = 0;
1.1 nicm 1536:
1.64 nicm 1537: /*
1538: * Move the cursor. If not wrapping, stick at the last character and
1539: * replace it.
1540: */
1.65 nicm 1541: last = !(s->mode & MODE_WRAP);
1.92 nicm 1542: if (s->cx <= sx - last - width)
1.139 nicm 1543: screen_write_set_cursor(ctx, s->cx + width, -1);
1.64 nicm 1544: else
1.139 nicm 1545: screen_write_set_cursor(ctx, sx - last, -1);
1.1 nicm 1546:
1.89 nicm 1547: /* Create space for character in insert mode. */
1.109 nicm 1548: if (s->mode & MODE_INSERT) {
1.113 nicm 1549: screen_write_collect_flush(ctx, 0);
1.17 nicm 1550: ttyctx.num = width;
1551: tty_write(tty_cmd_insertcharacter, &ttyctx);
1552: }
1.89 nicm 1553:
1554: /* Write to the screen. */
1.109 nicm 1555: if (!skip) {
1556: if (selected) {
1557: screen_select_cell(s, &tmp_gc, gc);
1558: ttyctx.cell = &tmp_gc;
1559: } else
1560: ttyctx.cell = gc;
1.16 nicm 1561: tty_write(tty_cmd_cell, &ttyctx);
1.92 nicm 1562: ctx->written++;
1563: } else
1564: ctx->skipped++;
1.35 nicm 1565: }
1566:
1567: /* Combine a UTF-8 zero-width character onto the previous. */
1.104 nicm 1568: static const struct grid_cell *
1569: screen_write_combine(struct screen_write_ctx *ctx, const struct utf8_data *ud,
1570: u_int *xx)
1.35 nicm 1571: {
1572: struct screen *s = ctx->s;
1573: struct grid *gd = s->grid;
1.104 nicm 1574: static struct grid_cell gc;
1575: u_int n;
1.35 nicm 1576:
1577: /* Can't combine if at 0. */
1578: if (s->cx == 0)
1.104 nicm 1579: return (NULL);
1.35 nicm 1580:
1.60 nicm 1581: /* Empty data is out. */
1582: if (ud->size == 0)
1.37 nicm 1583: fatalx("UTF-8 data empty");
1584:
1.60 nicm 1585: /* Retrieve the previous cell. */
1.119 nicm 1586: for (n = 1; n <= s->cx; n++) {
1.104 nicm 1587: grid_view_get_cell(gd, s->cx - n, s->cy, &gc);
1588: if (~gc.flags & GRID_FLAG_PADDING)
1589: break;
1590: }
1.119 nicm 1591: if (n > s->cx)
1.104 nicm 1592: return (NULL);
1593: *xx = s->cx - n;
1.35 nicm 1594:
1.60 nicm 1595: /* Check there is enough space. */
1.77 nicm 1596: if (gc.data.size + ud->size > sizeof gc.data.data)
1.104 nicm 1597: return (NULL);
1598:
1599: log_debug("%s: %.*s onto %.*s at %u,%u", __func__, (int)ud->size,
1600: ud->data, (int)gc.data.size, gc.data.data, *xx, s->cy);
1.35 nicm 1601:
1.77 nicm 1602: /* Append the data. */
1603: memcpy(gc.data.data + gc.data.size, ud->data, ud->size);
1604: gc.data.size += ud->size;
1605:
1606: /* Set the new cell. */
1.104 nicm 1607: grid_view_set_cell(gd, *xx, s->cy, &gc);
1.35 nicm 1608:
1.104 nicm 1609: return (&gc);
1.1 nicm 1610: }
1611:
1612: /*
1613: * UTF-8 wide characters are a bit of an annoyance. They take up more than one
1614: * cell on the screen, so following cells must not be drawn by marking them as
1615: * padding.
1616: *
1617: * So far, so good. The problem is, when overwriting a padding cell, or a UTF-8
1618: * character, it is necessary to also overwrite any other cells which covered
1619: * by the same character.
1620: */
1.89 nicm 1621: static int
1622: screen_write_overwrite(struct screen_write_ctx *ctx, struct grid_cell *gc,
1623: u_int width)
1.1 nicm 1624: {
1625: struct screen *s = ctx->s;
1626: struct grid *gd = s->grid;
1.89 nicm 1627: struct grid_cell tmp_gc;
1.1 nicm 1628: u_int xx;
1.89 nicm 1629: int done = 0;
1.1 nicm 1630:
1.89 nicm 1631: if (gc->flags & GRID_FLAG_PADDING) {
1.1 nicm 1632: /*
1633: * A padding cell, so clear any following and leading padding
1634: * cells back to the character. Don't overwrite the current
1635: * cell as that happens later anyway.
1636: */
1637: xx = s->cx + 1;
1638: while (--xx > 0) {
1.89 nicm 1639: grid_view_get_cell(gd, xx, s->cy, &tmp_gc);
1640: if (~tmp_gc.flags & GRID_FLAG_PADDING)
1.1 nicm 1641: break;
1.131 nicm 1642: log_debug("%s: padding at %u,%u", __func__, xx, s->cy);
1.1 nicm 1643: grid_view_set_cell(gd, xx, s->cy, &grid_default_cell);
1644: }
1645:
1646: /* Overwrite the character at the start of this padding. */
1.131 nicm 1647: log_debug("%s: character at %u,%u", __func__, xx, s->cy);
1.1 nicm 1648: grid_view_set_cell(gd, xx, s->cy, &grid_default_cell);
1.89 nicm 1649: done = 1;
1.43 nicm 1650: }
1.1 nicm 1651:
1.43 nicm 1652: /*
1.95 nicm 1653: * Overwrite any padding cells that belong to any UTF-8 characters
1654: * we'll be overwriting with the current character.
1.43 nicm 1655: */
1.95 nicm 1656: if (width != 1 ||
1657: gc->data.width != 1 ||
1658: gc->flags & GRID_FLAG_PADDING) {
1.89 nicm 1659: xx = s->cx + width - 1;
1660: while (++xx < screen_size_x(s)) {
1661: grid_view_get_cell(gd, xx, s->cy, &tmp_gc);
1662: if (~tmp_gc.flags & GRID_FLAG_PADDING)
1663: break;
1.131 nicm 1664: log_debug("%s: overwrite at %u,%u", __func__, xx, s->cy);
1.89 nicm 1665: grid_view_set_cell(gd, xx, s->cy, &grid_default_cell);
1666: done = 1;
1667: }
1.1 nicm 1668: }
1.89 nicm 1669:
1670: return (done);
1.50 nicm 1671: }
1672:
1.107 nicm 1673: /* Set external clipboard. */
1.50 nicm 1674: void
1675: screen_write_setselection(struct screen_write_ctx *ctx, u_char *str, u_int len)
1676: {
1677: struct tty_ctx ttyctx;
1678:
1.87 nicm 1679: screen_write_initctx(ctx, &ttyctx);
1.50 nicm 1680: ttyctx.ptr = str;
1681: ttyctx.num = len;
1682:
1683: tty_write(tty_cmd_setselection, &ttyctx);
1.47 nicm 1684: }
1685:
1.107 nicm 1686: /* Write unmodified string. */
1.47 nicm 1687: void
1688: screen_write_rawstring(struct screen_write_ctx *ctx, u_char *str, u_int len)
1689: {
1.87 nicm 1690: struct tty_ctx ttyctx;
1.47 nicm 1691:
1.87 nicm 1692: screen_write_initctx(ctx, &ttyctx);
1.47 nicm 1693: ttyctx.ptr = str;
1694: ttyctx.num = len;
1695:
1696: tty_write(tty_cmd_rawstring, &ttyctx);
1.1 nicm 1697: }
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