Annotation of src/usr.bin/tmux/screen-write.c, Revision 1.162
1.162 ! nicm 1: /* $OpenBSD: screen-write.c,v 1.161 2020/04/15 16:11:23 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 = {
1.155 nicm 39: { { 0 }, 0, 0, 0 }, 0, GRID_FLAG_PADDING, 0, 8, 8
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:
1.144 nicm 77: if (cx != -1) {
1.145 nicm 78: if ((u_int)cx > screen_size_x(s)) /* allow last column */
1.144 nicm 79: cx = screen_size_x(s) - 1;
1.139 nicm 80: s->cx = cx;
1.144 nicm 81: }
82: if (cy != -1) {
83: if ((u_int)cy > screen_size_y(s) - 1)
84: cy = screen_size_y(s) - 1;
1.139 nicm 85: s->cy = cy;
1.144 nicm 86: }
1.139 nicm 87:
88: if (wp == NULL)
89: return;
90: w = wp->window;
91:
92: if (!event_initialized(&w->offset_timer))
93: evtimer_set(&w->offset_timer, screen_write_offset_timer, w);
94: if (!evtimer_pending(&w->offset_timer, NULL))
95: evtimer_add(&w->offset_timer, &tv);
96: }
97:
1.92 nicm 98: /* Initialize writing with a window. */
1.1 nicm 99: void
1.71 nicm 100: screen_write_start(struct screen_write_ctx *ctx, struct window_pane *wp,
101: struct screen *s)
1.1 nicm 102: {
1.162 ! nicm 103: struct tty_ctx ttyctx;
! 104: u_int y;
1.109 nicm 105:
106: memset(ctx, 0, sizeof *ctx);
1.92 nicm 107:
1.1 nicm 108: ctx->wp = wp;
109: if (wp != NULL && s == NULL)
110: ctx->s = wp->screen;
111: else
112: ctx->s = s;
1.92 nicm 113:
1.109 nicm 114: ctx->list = xcalloc(screen_size_y(ctx->s), sizeof *ctx->list);
115: for (y = 0; y < screen_size_y(ctx->s); y++)
116: TAILQ_INIT(&ctx->list[y].items);
117: ctx->item = xcalloc(1, sizeof *ctx->item);
1.92 nicm 118:
1.122 nicm 119: ctx->scrolled = 0;
120: ctx->bg = 8;
121:
1.158 nicm 122: if (log_get_level() != 0) {
123: if (wp != NULL) {
124: log_debug("%s: size %ux%u, pane %%%u (at %u,%u)",
125: __func__, screen_size_x(ctx->s),
126: screen_size_y(ctx->s), wp->id, wp->xoff, wp->yoff);
127: } else {
128: log_debug("%s: size %ux%u, no pane",
129: __func__, screen_size_x(ctx->s),
130: screen_size_y(ctx->s));
131: }
1.139 nicm 132: }
1.162 ! nicm 133:
! 134: screen_write_initctx(ctx, &ttyctx);
! 135: tty_write(tty_cmd_syncstart, &ttyctx);
1.1 nicm 136: }
137:
138: /* Finish writing. */
139: void
1.92 nicm 140: screen_write_stop(struct screen_write_ctx *ctx)
141: {
1.162 ! nicm 142: struct tty_ctx ttyctx;
! 143:
1.109 nicm 144: screen_write_collect_end(ctx);
1.111 nicm 145: screen_write_collect_flush(ctx, 0);
1.92 nicm 146:
1.109 nicm 147: log_debug("%s: %u cells (%u written, %u skipped)", __func__,
148: ctx->cells, ctx->written, ctx->skipped);
1.162 ! nicm 149:
! 150: screen_write_initctx(ctx, &ttyctx);
! 151: tty_write(tty_cmd_syncend, &ttyctx);
1.92 nicm 152:
1.109 nicm 153: free(ctx->item);
154: free(ctx->list); /* flush will have emptied */
1.52 nicm 155: }
156:
157: /* Reset screen state. */
158: void
159: screen_write_reset(struct screen_write_ctx *ctx)
160: {
1.61 nicm 161: struct screen *s = ctx->s;
1.52 nicm 162:
1.61 nicm 163: screen_reset_tabs(s);
164: screen_write_scrollregion(ctx, 0, screen_size_y(s) - 1);
1.63 nicm 165:
1.141 nicm 166: s->mode = MODE_CURSOR | MODE_WRAP;
1.52 nicm 167:
1.99 nicm 168: screen_write_clearscreen(ctx, 8);
1.144 nicm 169: screen_write_set_cursor(ctx, 0, 0);
1.1 nicm 170: }
171:
172: /* Write character. */
173: void
1.86 nicm 174: screen_write_putc(struct screen_write_ctx *ctx, const struct grid_cell *gcp,
1.69 nicm 175: u_char ch)
1.1 nicm 176: {
1.86 nicm 177: struct grid_cell gc;
178:
179: memcpy(&gc, gcp, sizeof gc);
180:
181: utf8_set(&gc.data, ch);
182: screen_write_cell(ctx, &gc);
1.1 nicm 183: }
184:
1.2 nicm 185: /* Calculate string length. */
1.71 nicm 186: size_t
1.75 nicm 187: screen_write_strlen(const char *fmt, ...)
1.2 nicm 188: {
1.36 nicm 189: va_list ap;
190: char *msg;
1.76 nicm 191: struct utf8_data ud;
1.36 nicm 192: u_char *ptr;
193: size_t left, size = 0;
1.79 nicm 194: enum utf8_state more;
1.2 nicm 195:
196: va_start(ap, fmt);
197: xvasprintf(&msg, fmt, ap);
198: va_end(ap);
199:
200: ptr = msg;
201: while (*ptr != '\0') {
1.79 nicm 202: if (*ptr > 0x7f && utf8_open(&ud, *ptr) == UTF8_MORE) {
1.36 nicm 203: ptr++;
1.2 nicm 204:
205: left = strlen(ptr);
1.77 nicm 206: if (left < (size_t)ud.size - 1)
1.36 nicm 207: break;
1.79 nicm 208: while ((more = utf8_append(&ud, *ptr)) == UTF8_MORE)
1.2 nicm 209: ptr++;
1.36 nicm 210: ptr++;
211:
1.79 nicm 212: if (more == UTF8_DONE)
1.78 nicm 213: size += ud.width;
1.2 nicm 214: } else {
1.75 nicm 215: if (*ptr > 0x1f && *ptr < 0x7f)
216: size++;
1.2 nicm 217: ptr++;
218: }
1.7 ray 219: }
1.2 nicm 220:
1.56 nicm 221: free(msg);
1.2 nicm 222: return (size);
223: }
224:
1.3 nicm 225: /* Write simple string (no UTF-8 or maximum length). */
1.71 nicm 226: void
1.86 nicm 227: screen_write_puts(struct screen_write_ctx *ctx, const struct grid_cell *gcp,
1.71 nicm 228: const char *fmt, ...)
1.1 nicm 229: {
230: va_list ap;
231:
232: va_start(ap, fmt);
1.86 nicm 233: screen_write_vnputs(ctx, -1, gcp, fmt, ap);
1.2 nicm 234: va_end(ap);
235: }
236:
237: /* Write string with length limit (-1 for unlimited). */
1.71 nicm 238: void
239: screen_write_nputs(struct screen_write_ctx *ctx, ssize_t maxlen,
1.86 nicm 240: const struct grid_cell *gcp, const char *fmt, ...)
1.2 nicm 241: {
242: va_list ap;
243:
244: va_start(ap, fmt);
1.86 nicm 245: screen_write_vnputs(ctx, maxlen, gcp, fmt, ap);
1.2 nicm 246: va_end(ap);
247: }
248:
249: void
1.3 nicm 250: screen_write_vnputs(struct screen_write_ctx *ctx, ssize_t maxlen,
1.86 nicm 251: const struct grid_cell *gcp, const char *fmt, va_list ap)
1.2 nicm 252: {
1.86 nicm 253: struct grid_cell gc;
254: struct utf8_data *ud = &gc.data;
1.36 nicm 255: char *msg;
256: u_char *ptr;
257: size_t left, size = 0;
1.79 nicm 258: enum utf8_state more;
1.2 nicm 259:
1.86 nicm 260: memcpy(&gc, gcp, sizeof gc);
1.1 nicm 261: xvasprintf(&msg, fmt, ap);
262:
1.2 nicm 263: ptr = msg;
264: while (*ptr != '\0') {
1.86 nicm 265: if (*ptr > 0x7f && utf8_open(ud, *ptr) == UTF8_MORE) {
1.36 nicm 266: ptr++;
1.2 nicm 267:
268: left = strlen(ptr);
1.86 nicm 269: if (left < (size_t)ud->size - 1)
1.36 nicm 270: break;
1.86 nicm 271: while ((more = utf8_append(ud, *ptr)) == UTF8_MORE)
1.2 nicm 272: ptr++;
1.36 nicm 273: ptr++;
1.7 ray 274:
1.86 nicm 275: if (more != UTF8_DONE)
276: continue;
277: if (maxlen > 0 && size + ud->width > (size_t)maxlen) {
278: while (size < (size_t)maxlen) {
279: screen_write_putc(ctx, &gc, ' ');
280: size++;
1.2 nicm 281: }
1.86 nicm 282: break;
1.2 nicm 283: }
1.86 nicm 284: size += ud->width;
285: screen_write_cell(ctx, &gc);
1.2 nicm 286: } else {
1.86 nicm 287: if (maxlen > 0 && size + 1 > (size_t)maxlen)
1.2 nicm 288: break;
289:
1.57 nicm 290: if (*ptr == '\001')
1.86 nicm 291: gc.attr ^= GRID_ATTR_CHARSET;
1.75 nicm 292: else if (*ptr > 0x1f && *ptr < 0x7f) {
1.57 nicm 293: size++;
1.86 nicm 294: screen_write_putc(ctx, &gc, *ptr);
1.75 nicm 295: }
1.24 nicm 296: ptr++;
297: }
298: }
299:
1.56 nicm 300: free(msg);
1.1 nicm 301: }
302:
1.132 nicm 303: /* Copy from another screen. Assumes target region is big enough. */
1.1 nicm 304: void
1.95 nicm 305: screen_write_copy(struct screen_write_ctx *ctx, struct screen *src, u_int px,
1.132 nicm 306: u_int py, u_int nx, u_int ny, bitstr_t *mbs, const struct grid_cell *mgc)
1.1 nicm 307: {
308: struct screen *s = ctx->s;
309: struct grid *gd = src->grid;
1.77 nicm 310: struct grid_cell gc;
1.102 nicm 311: u_int xx, yy, cx, cy, b;
1.1 nicm 312:
1.125 nicm 313: if (nx == 0 || ny == 0)
314: return;
315:
1.1 nicm 316: cx = s->cx;
317: cy = s->cy;
1.96 nicm 318:
1.1 nicm 319: for (yy = py; yy < py + ny; yy++) {
1.96 nicm 320: for (xx = px; xx < px + nx; xx++) {
321: grid_get_cell(gd, xx, yy, &gc);
1.132 nicm 322: if (mbs != NULL) {
1.102 nicm 323: b = (yy * screen_size_x(src)) + xx;
1.132 nicm 324: if (bit_test(mbs, b)) {
325: gc.attr = mgc->attr;
326: gc.fg = mgc->fg;
327: gc.bg = mgc->bg;
1.102 nicm 328: }
329: }
1.135 nicm 330: if (xx + gc.data.width <= px + nx)
331: screen_write_cell(ctx, &gc);
1.96 nicm 332: }
1.132 nicm 333: cy++;
1.144 nicm 334: screen_write_set_cursor(ctx, cx, cy);
1.132 nicm 335: }
336: }
337:
338: /*
339: * Copy from another screen but without the selection stuff. Also assumes the
1.150 nicm 340: * target region is already big enough.
1.132 nicm 341: */
342: void
343: screen_write_fast_copy(struct screen_write_ctx *ctx, struct screen *src,
344: u_int px, u_int py, u_int nx, u_int ny)
345: {
346: struct screen *s = ctx->s;
347: struct grid *gd = src->grid;
348: struct grid_cell gc;
349: u_int xx, yy, cx, cy;
1.96 nicm 350:
1.132 nicm 351: if (nx == 0 || ny == 0)
352: return;
353:
354: cy = s->cy;
355: for (yy = py; yy < py + ny; yy++) {
1.134 nicm 356: if (yy >= gd->hsize + gd->sy)
357: break;
1.132 nicm 358: cx = s->cx;
359: for (xx = px; xx < px + nx; xx++) {
1.137 nicm 360: if (xx >= grid_get_line(gd, yy)->cellsize)
1.132 nicm 361: break;
362: grid_get_cell(gd, xx, yy, &gc);
1.135 nicm 363: if (xx + gc.data.width > px + nx)
364: break;
1.150 nicm 365: grid_view_set_cell(ctx->s->grid, cx, cy, &gc);
1.132 nicm 366: cx++;
367: }
1.1 nicm 368: cy++;
1.125 nicm 369: }
370: }
371:
1.129 nicm 372: /* Draw a horizontal line on screen. */
1.125 nicm 373: void
1.129 nicm 374: screen_write_hline(struct screen_write_ctx *ctx, u_int nx, int left, int right)
1.125 nicm 375: {
376: struct screen *s = ctx->s;
377: struct grid_cell gc;
378: u_int cx, cy, i;
379:
380: cx = s->cx;
381: cy = s->cy;
382:
383: memcpy(&gc, &grid_default_cell, sizeof gc);
384: gc.attr |= GRID_ATTR_CHARSET;
385:
386: screen_write_putc(ctx, &gc, left ? 't' : 'q');
387: for (i = 1; i < nx - 1; i++)
388: screen_write_putc(ctx, &gc, 'q');
389: screen_write_putc(ctx, &gc, right ? 'u' : 'q');
1.129 nicm 390:
1.144 nicm 391: screen_write_set_cursor(ctx, cx, cy);
1.129 nicm 392: }
393:
394: /* Draw a horizontal line on screen. */
395: void
1.130 nicm 396: screen_write_vline(struct screen_write_ctx *ctx, u_int ny, int top, int bottom)
1.129 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, top ? 'w' : 'x');
409: for (i = 1; i < ny - 1; i++) {
1.144 nicm 410: screen_write_set_cursor(ctx, cx, cy + i);
1.129 nicm 411: screen_write_putc(ctx, &gc, 'x');
412: }
1.144 nicm 413: screen_write_set_cursor(ctx, cx, cy + ny - 1);
1.129 nicm 414: screen_write_putc(ctx, &gc, bottom ? 'v' : 'x');
1.152 nicm 415:
416: screen_write_set_cursor(ctx, cx, cy);
417: }
418:
419: /* Draw a menu on screen. */
420: void
1.161 nicm 421: screen_write_menu(struct screen_write_ctx *ctx, struct menu *menu,
422: int choice, const struct grid_cell *choice_gc)
1.152 nicm 423: {
424: struct screen *s = ctx->s;
1.161 nicm 425: struct grid_cell default_gc;
426: const struct grid_cell *gc = &default_gc;
1.152 nicm 427: u_int cx, cy, i, j;
1.153 nicm 428: const char *name;
1.152 nicm 429:
430: cx = s->cx;
431: cy = s->cy;
432:
1.161 nicm 433: memcpy(&default_gc, &grid_default_cell, sizeof default_gc);
1.152 nicm 434:
435: screen_write_box(ctx, menu->width + 4, menu->count + 2);
436: screen_write_cursormove(ctx, cx + 2, cy, 0);
1.161 nicm 437: format_draw(ctx, &default_gc, menu->width, menu->title, NULL);
1.152 nicm 438:
439: for (i = 0; i < menu->count; i++) {
1.153 nicm 440: name = menu->items[i].name;
441: if (name == NULL) {
1.152 nicm 442: screen_write_cursormove(ctx, cx, cy + 1 + i, 0);
443: screen_write_hline(ctx, menu->width + 4, 1, 1);
444: } else {
1.153 nicm 445: if (choice >= 0 && i == (u_int)choice && *name != '-')
1.161 nicm 446: gc = choice_gc;
1.152 nicm 447: screen_write_cursormove(ctx, cx + 2, cy + 1 + i, 0);
448: for (j = 0; j < menu->width; j++)
1.161 nicm 449: screen_write_putc(ctx, gc, ' ');
1.152 nicm 450: screen_write_cursormove(ctx, cx + 2, cy + 1 + i, 0);
1.153 nicm 451: if (*name == '-') {
452: name++;
1.161 nicm 453: default_gc.attr |= GRID_ATTR_DIM;
454: format_draw(ctx, gc, menu->width, name, NULL);
455: default_gc.attr &= ~GRID_ATTR_DIM;
1.153 nicm 456: } else
1.161 nicm 457: format_draw(ctx, gc, menu->width, name, NULL);
458: gc = &default_gc;
1.152 nicm 459: }
460: }
1.125 nicm 461:
1.144 nicm 462: screen_write_set_cursor(ctx, cx, cy);
1.125 nicm 463: }
464:
465: /* Draw a box on screen. */
466: void
467: screen_write_box(struct screen_write_ctx *ctx, u_int nx, u_int ny)
468: {
469: struct screen *s = ctx->s;
470: struct grid_cell gc;
471: u_int cx, cy, i;
472:
473: cx = s->cx;
474: cy = s->cy;
475:
476: memcpy(&gc, &grid_default_cell, sizeof gc);
477: gc.attr |= GRID_ATTR_CHARSET;
478:
479: screen_write_putc(ctx, &gc, 'l');
480: for (i = 1; i < nx - 1; i++)
481: screen_write_putc(ctx, &gc, 'q');
482: screen_write_putc(ctx, &gc, 'k');
483:
1.144 nicm 484: screen_write_set_cursor(ctx, cx, cy + ny - 1);
1.125 nicm 485: screen_write_putc(ctx, &gc, 'm');
486: for (i = 1; i < nx - 1; i++)
487: screen_write_putc(ctx, &gc, 'q');
488: screen_write_putc(ctx, &gc, 'j');
489:
490: for (i = 1; i < ny - 1; i++) {
1.144 nicm 491: screen_write_set_cursor(ctx, cx, cy + i);
1.125 nicm 492: screen_write_putc(ctx, &gc, 'x');
493: }
494: for (i = 1; i < ny - 1; i++) {
1.144 nicm 495: screen_write_set_cursor(ctx, cx + nx - 1, cy + i);
1.125 nicm 496: screen_write_putc(ctx, &gc, 'x');
497: }
498:
1.144 nicm 499: screen_write_set_cursor(ctx, cx, cy);
1.125 nicm 500: }
501:
1.132 nicm 502: /*
503: * Write a preview version of a window. Assumes target area is big enough and
504: * already cleared.
505: */
1.125 nicm 506: void
507: screen_write_preview(struct screen_write_ctx *ctx, struct screen *src, u_int nx,
508: u_int ny)
509: {
510: struct screen *s = ctx->s;
511: struct grid_cell gc;
512: u_int cx, cy, px, py;
513:
514: cx = s->cx;
515: cy = s->cy;
516:
517: /*
518: * If the cursor is on, pick the area around the cursor, otherwise use
519: * the top left.
520: */
521: if (src->mode & MODE_CURSOR) {
522: px = src->cx;
523: if (px < nx / 3)
524: px = 0;
525: else
526: px = px - nx / 3;
527: if (px + nx > screen_size_x(src)) {
528: if (nx > screen_size_x(src))
529: px = 0;
530: else
531: px = screen_size_x(src) - nx;
532: }
533: py = src->cy;
534: if (py < ny / 3)
535: py = 0;
536: else
537: py = py - ny / 3;
538: if (py + ny > screen_size_y(src)) {
539: if (ny > screen_size_y(src))
540: py = 0;
541: else
542: py = screen_size_y(src) - ny;
543: }
544: } else {
545: px = 0;
546: py = 0;
547: }
548:
1.132 nicm 549: screen_write_fast_copy(ctx, src, px, src->grid->hsize + py, nx, ny);
1.125 nicm 550:
551: if (src->mode & MODE_CURSOR) {
552: grid_view_get_cell(src->grid, src->cx, src->cy, &gc);
553: gc.attr |= GRID_ATTR_REVERSE;
1.144 nicm 554: screen_write_set_cursor(ctx, cx + (src->cx - px),
1.125 nicm 555: cy + (src->cy - py));
556: screen_write_cell(ctx, &gc);
1.1 nicm 557: }
558: }
559:
1.17 nicm 560: /* Set up context for TTY command. */
1.87 nicm 561: static void
562: screen_write_initctx(struct screen_write_ctx *ctx, struct tty_ctx *ttyctx)
1.1 nicm 563: {
1.87 nicm 564: struct screen *s = ctx->s;
1.123 nicm 565:
566: memset(ttyctx, 0, sizeof *ttyctx);
1.1 nicm 567:
1.17 nicm 568: ttyctx->wp = ctx->wp;
1.1 nicm 569:
1.17 nicm 570: ttyctx->ocx = s->cx;
571: ttyctx->ocy = s->cy;
572:
573: ttyctx->orlower = s->rlower;
574: ttyctx->orupper = s->rupper;
1.87 nicm 575: }
1.31 nicm 576:
1.61 nicm 577: /* Set a mode. */
578: void
579: screen_write_mode_set(struct screen_write_ctx *ctx, int mode)
580: {
581: struct screen *s = ctx->s;
582:
583: s->mode |= mode;
584: }
585:
586: /* Clear a mode. */
587: void
588: screen_write_mode_clear(struct screen_write_ctx *ctx, int mode)
589: {
590: struct screen *s = ctx->s;
591:
592: s->mode &= ~mode;
593: }
594:
1.1 nicm 595: /* Cursor up by ny. */
596: void
597: screen_write_cursorup(struct screen_write_ctx *ctx, u_int ny)
598: {
599: struct screen *s = ctx->s;
1.139 nicm 600: u_int cx = s->cx, cy = s->cy;
1.1 nicm 601:
602: if (ny == 0)
603: ny = 1;
604:
1.139 nicm 605: if (cy < s->rupper) {
1.12 nicm 606: /* Above region. */
1.139 nicm 607: if (ny > cy)
608: ny = cy;
1.12 nicm 609: } else {
610: /* Below region. */
1.139 nicm 611: if (ny > cy - s->rupper)
612: ny = cy - s->rupper;
1.12 nicm 613: }
1.139 nicm 614: if (cx == screen_size_x(s))
615: cx--;
616:
617: cy -= ny;
1.1 nicm 618:
1.139 nicm 619: screen_write_set_cursor(ctx, cx, cy);
1.1 nicm 620: }
621:
622: /* Cursor down by ny. */
623: void
624: screen_write_cursordown(struct screen_write_ctx *ctx, u_int ny)
625: {
626: struct screen *s = ctx->s;
1.139 nicm 627: u_int cx = s->cx, cy = s->cy;
1.1 nicm 628:
629: if (ny == 0)
630: ny = 1;
631:
1.139 nicm 632: if (cy > s->rlower) {
1.12 nicm 633: /* Below region. */
1.139 nicm 634: if (ny > screen_size_y(s) - 1 - cy)
635: ny = screen_size_y(s) - 1 - cy;
1.12 nicm 636: } else {
637: /* Above region. */
1.139 nicm 638: if (ny > s->rlower - cy)
639: ny = s->rlower - cy;
1.12 nicm 640: }
1.139 nicm 641: if (cx == screen_size_x(s))
642: cx--;
643: else if (ny == 0)
1.1 nicm 644: return;
645:
1.139 nicm 646: cy += ny;
647:
648: screen_write_set_cursor(ctx, cx, cy);
1.1 nicm 649: }
650:
1.101 nicm 651: /* Cursor right by nx. */
1.1 nicm 652: void
653: screen_write_cursorright(struct screen_write_ctx *ctx, u_int nx)
654: {
655: struct screen *s = ctx->s;
1.139 nicm 656: u_int cx = s->cx, cy = s->cy;
1.1 nicm 657:
658: if (nx == 0)
659: nx = 1;
660:
1.139 nicm 661: if (nx > screen_size_x(s) - 1 - cx)
662: nx = screen_size_x(s) - 1 - cx;
1.1 nicm 663: if (nx == 0)
664: return;
665:
1.139 nicm 666: cx += nx;
667:
668: screen_write_set_cursor(ctx, cx, cy);
1.1 nicm 669: }
670:
671: /* Cursor left by nx. */
672: void
673: screen_write_cursorleft(struct screen_write_ctx *ctx, u_int nx)
674: {
675: struct screen *s = ctx->s;
1.139 nicm 676: u_int cx = s->cx, cy = s->cy;
1.1 nicm 677:
678: if (nx == 0)
679: nx = 1;
680:
1.139 nicm 681: if (nx > cx)
682: nx = cx;
1.1 nicm 683: if (nx == 0)
684: return;
685:
1.139 nicm 686: cx -= nx;
687:
688: screen_write_set_cursor(ctx, cx, cy);
1.5 nicm 689: }
690:
1.29 nicm 691: /* Backspace; cursor left unless at start of wrapped line when can move up. */
692: void
693: screen_write_backspace(struct screen_write_ctx *ctx)
694: {
695: struct screen *s = ctx->s;
696: struct grid_line *gl;
1.139 nicm 697: u_int cx = s->cx, cy = s->cy;
1.29 nicm 698:
1.139 nicm 699: if (cx == 0) {
700: if (cy == 0)
1.29 nicm 701: return;
1.139 nicm 702: gl = grid_get_line(s->grid, s->grid->hsize + cy - 1);
1.29 nicm 703: if (gl->flags & GRID_LINE_WRAPPED) {
1.139 nicm 704: cy--;
705: cx = screen_size_x(s) - 1;
1.29 nicm 706: }
707: } else
1.139 nicm 708: cx--;
709:
710: screen_write_set_cursor(ctx, cx, cy);
1.29 nicm 711: }
712:
1.5 nicm 713: /* VT100 alignment test. */
714: void
715: screen_write_alignmenttest(struct screen_write_ctx *ctx)
716: {
717: struct screen *s = ctx->s;
1.17 nicm 718: struct tty_ctx ttyctx;
1.5 nicm 719: struct grid_cell gc;
720: u_int xx, yy;
721:
722: memcpy(&gc, &grid_default_cell, sizeof gc);
1.77 nicm 723: utf8_set(&gc.data, 'E');
1.7 ray 724:
1.5 nicm 725: for (yy = 0; yy < screen_size_y(s); yy++) {
726: for (xx = 0; xx < screen_size_x(s); xx++)
727: grid_view_set_cell(s->grid, xx, yy, &gc);
728: }
1.7 ray 729:
1.139 nicm 730: screen_write_set_cursor(ctx, 0, 0);
1.5 nicm 731:
732: s->rupper = 0;
733: s->rlower = screen_size_y(s) - 1;
1.143 nicm 734:
735: screen_write_initctx(ctx, &ttyctx);
1.5 nicm 736:
1.109 nicm 737: screen_write_collect_clear(ctx, 0, screen_size_y(s) - 1);
1.17 nicm 738: tty_write(tty_cmd_alignmenttest, &ttyctx);
1.1 nicm 739: }
740:
741: /* Insert nx characters. */
742: void
1.99 nicm 743: screen_write_insertcharacter(struct screen_write_ctx *ctx, u_int nx, u_int bg)
1.1 nicm 744: {
745: struct screen *s = ctx->s;
1.17 nicm 746: struct tty_ctx ttyctx;
1.1 nicm 747:
748: if (nx == 0)
749: nx = 1;
750:
1.9 nicm 751: if (nx > screen_size_x(s) - s->cx)
752: nx = screen_size_x(s) - s->cx;
1.1 nicm 753: if (nx == 0)
754: return;
755:
1.107 nicm 756: if (s->cx > screen_size_x(s) - 1)
757: return;
758:
1.87 nicm 759: screen_write_initctx(ctx, &ttyctx);
1.107 nicm 760: ttyctx.bg = bg;
1.1 nicm 761:
1.107 nicm 762: grid_view_insert_cells(s->grid, s->cx, s->cy, nx, bg);
1.1 nicm 763:
1.111 nicm 764: screen_write_collect_flush(ctx, 0);
1.17 nicm 765: ttyctx.num = nx;
766: tty_write(tty_cmd_insertcharacter, &ttyctx);
1.1 nicm 767: }
768:
769: /* Delete nx characters. */
770: void
1.99 nicm 771: screen_write_deletecharacter(struct screen_write_ctx *ctx, u_int nx, u_int bg)
1.1 nicm 772: {
773: struct screen *s = ctx->s;
1.17 nicm 774: struct tty_ctx ttyctx;
1.1 nicm 775:
776: if (nx == 0)
777: nx = 1;
778:
1.9 nicm 779: if (nx > screen_size_x(s) - s->cx)
780: nx = screen_size_x(s) - s->cx;
1.1 nicm 781: if (nx == 0)
782: return;
783:
1.107 nicm 784: if (s->cx > screen_size_x(s) - 1)
785: return;
786:
1.87 nicm 787: screen_write_initctx(ctx, &ttyctx);
1.107 nicm 788: ttyctx.bg = bg;
1.1 nicm 789:
1.107 nicm 790: grid_view_delete_cells(s->grid, s->cx, s->cy, nx, bg);
1.1 nicm 791:
1.111 nicm 792: screen_write_collect_flush(ctx, 0);
1.17 nicm 793: ttyctx.num = nx;
794: tty_write(tty_cmd_deletecharacter, &ttyctx);
1.59 nicm 795: }
796:
797: /* Clear nx characters. */
798: void
1.121 nicm 799: screen_write_clearcharacter(struct screen_write_ctx *ctx, u_int nx, u_int bg)
1.59 nicm 800: {
801: struct screen *s = ctx->s;
802: struct tty_ctx ttyctx;
803:
804: if (nx == 0)
805: nx = 1;
806:
807: if (nx > screen_size_x(s) - s->cx)
808: nx = screen_size_x(s) - s->cx;
809: if (nx == 0)
810: return;
811:
1.107 nicm 812: if (s->cx > screen_size_x(s) - 1)
813: return;
814:
1.87 nicm 815: screen_write_initctx(ctx, &ttyctx);
1.121 nicm 816: ttyctx.bg = bg;
1.59 nicm 817:
1.124 nicm 818: grid_view_clear(s->grid, s->cx, s->cy, nx, 1, bg);
1.59 nicm 819:
1.111 nicm 820: screen_write_collect_flush(ctx, 0);
1.59 nicm 821: ttyctx.num = nx;
822: tty_write(tty_cmd_clearcharacter, &ttyctx);
1.1 nicm 823: }
824:
825: /* Insert ny lines. */
826: void
1.99 nicm 827: screen_write_insertline(struct screen_write_ctx *ctx, u_int ny, u_int bg)
1.1 nicm 828: {
829: struct screen *s = ctx->s;
1.107 nicm 830: struct grid *gd = s->grid;
1.17 nicm 831: struct tty_ctx ttyctx;
1.1 nicm 832:
833: if (ny == 0)
834: ny = 1;
835:
1.11 nicm 836: if (s->cy < s->rupper || s->cy > s->rlower) {
837: if (ny > screen_size_y(s) - s->cy)
838: ny = screen_size_y(s) - s->cy;
839: if (ny == 0)
840: return;
841:
1.87 nicm 842: screen_write_initctx(ctx, &ttyctx);
1.107 nicm 843: ttyctx.bg = bg;
1.11 nicm 844:
1.107 nicm 845: grid_view_insert_lines(gd, s->cy, ny, bg);
1.11 nicm 846:
1.111 nicm 847: screen_write_collect_flush(ctx, 0);
1.17 nicm 848: ttyctx.num = ny;
849: tty_write(tty_cmd_insertline, &ttyctx);
1.11 nicm 850: return;
851: }
852:
853: if (ny > s->rlower + 1 - s->cy)
854: ny = s->rlower + 1 - s->cy;
1.1 nicm 855: if (ny == 0)
856: return;
1.41 nicm 857:
1.87 nicm 858: screen_write_initctx(ctx, &ttyctx);
1.107 nicm 859: ttyctx.bg = bg;
1.1 nicm 860:
861: if (s->cy < s->rupper || s->cy > s->rlower)
1.107 nicm 862: grid_view_insert_lines(gd, s->cy, ny, bg);
863: else
864: grid_view_insert_lines_region(gd, s->rlower, s->cy, ny, bg);
1.1 nicm 865:
1.111 nicm 866: screen_write_collect_flush(ctx, 0);
1.17 nicm 867: ttyctx.num = ny;
868: tty_write(tty_cmd_insertline, &ttyctx);
1.1 nicm 869: }
870:
871: /* Delete ny lines. */
872: void
1.99 nicm 873: screen_write_deleteline(struct screen_write_ctx *ctx, u_int ny, u_int bg)
1.1 nicm 874: {
875: struct screen *s = ctx->s;
1.107 nicm 876: struct grid *gd = s->grid;
1.17 nicm 877: struct tty_ctx ttyctx;
1.1 nicm 878:
879: if (ny == 0)
880: ny = 1;
881:
1.11 nicm 882: if (s->cy < s->rupper || s->cy > s->rlower) {
883: if (ny > screen_size_y(s) - s->cy)
884: ny = screen_size_y(s) - s->cy;
885: if (ny == 0)
886: return;
887:
1.87 nicm 888: screen_write_initctx(ctx, &ttyctx);
1.107 nicm 889: ttyctx.bg = bg;
1.11 nicm 890:
1.107 nicm 891: grid_view_delete_lines(gd, s->cy, ny, bg);
1.11 nicm 892:
1.111 nicm 893: screen_write_collect_flush(ctx, 0);
1.17 nicm 894: ttyctx.num = ny;
895: tty_write(tty_cmd_deleteline, &ttyctx);
1.11 nicm 896: return;
897: }
1.41 nicm 898:
1.11 nicm 899: if (ny > s->rlower + 1 - s->cy)
900: ny = s->rlower + 1 - s->cy;
1.1 nicm 901: if (ny == 0)
902: return;
903:
1.87 nicm 904: screen_write_initctx(ctx, &ttyctx);
1.107 nicm 905: ttyctx.bg = bg;
1.1 nicm 906:
907: if (s->cy < s->rupper || s->cy > s->rlower)
1.107 nicm 908: grid_view_delete_lines(gd, s->cy, ny, bg);
909: else
910: grid_view_delete_lines_region(gd, s->rlower, s->cy, ny, bg);
1.1 nicm 911:
1.111 nicm 912: screen_write_collect_flush(ctx, 0);
1.17 nicm 913: ttyctx.num = ny;
914: tty_write(tty_cmd_deleteline, &ttyctx);
1.1 nicm 915: }
916:
917: /* Clear line at cursor. */
918: void
1.99 nicm 919: screen_write_clearline(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 920: {
1.92 nicm 921: struct screen *s = ctx->s;
922: struct grid_line *gl;
923: struct tty_ctx ttyctx;
924: u_int sx = screen_size_x(s);
1.1 nicm 925:
1.137 nicm 926: gl = grid_get_line(s->grid, s->grid->hsize + s->cy);
1.140 nicm 927: if (gl->cellsize == 0 && COLOUR_DEFAULT(bg))
1.92 nicm 928: return;
1.1 nicm 929:
1.108 nicm 930: screen_write_initctx(ctx, &ttyctx);
931: ttyctx.bg = bg;
932:
1.99 nicm 933: grid_view_clear(s->grid, 0, s->cy, sx, 1, bg);
934:
1.109 nicm 935: screen_write_collect_clear(ctx, s->cy, 1);
1.114 nicm 936: screen_write_collect_flush(ctx, 0);
1.17 nicm 937: tty_write(tty_cmd_clearline, &ttyctx);
1.1 nicm 938: }
939:
940: /* Clear to end of line from cursor. */
941: void
1.99 nicm 942: screen_write_clearendofline(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 943: {
1.92 nicm 944: struct screen *s = ctx->s;
945: struct grid_line *gl;
946: struct tty_ctx ttyctx;
947: u_int sx = screen_size_x(s);
1.1 nicm 948:
1.137 nicm 949: gl = grid_get_line(s->grid, s->grid->hsize + s->cy);
1.140 nicm 950: if (s->cx > sx - 1 || (s->cx >= gl->cellsize && COLOUR_DEFAULT(bg)))
1.92 nicm 951: return;
1.108 nicm 952:
953: screen_write_initctx(ctx, &ttyctx);
954: ttyctx.bg = bg;
1.1 nicm 955:
1.99 nicm 956: grid_view_clear(s->grid, s->cx, s->cy, sx - s->cx, 1, bg);
957:
1.109 nicm 958: if (s->cx == 0)
959: screen_write_collect_clear(ctx, s->cy, 1);
1.114 nicm 960: screen_write_collect_flush(ctx, 0);
1.41 nicm 961: tty_write(tty_cmd_clearendofline, &ttyctx);
1.1 nicm 962: }
963:
964: /* Clear to start of line from cursor. */
965: void
1.99 nicm 966: screen_write_clearstartofline(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 967: {
968: struct screen *s = ctx->s;
1.17 nicm 969: struct tty_ctx ttyctx;
1.92 nicm 970: u_int sx = screen_size_x(s);
1.1 nicm 971:
1.87 nicm 972: screen_write_initctx(ctx, &ttyctx);
1.99 nicm 973: ttyctx.bg = bg;
1.1 nicm 974:
1.109 nicm 975: if (s->cx > sx - 1)
1.99 nicm 976: grid_view_clear(s->grid, 0, s->cy, sx, 1, bg);
1.109 nicm 977: else
1.99 nicm 978: grid_view_clear(s->grid, 0, s->cy, s->cx + 1, 1, bg);
1.1 nicm 979:
1.109 nicm 980: if (s->cx > sx - 1)
981: screen_write_collect_clear(ctx, s->cy, 1);
1.114 nicm 982: screen_write_collect_flush(ctx, 0);
1.17 nicm 983: tty_write(tty_cmd_clearstartofline, &ttyctx);
1.1 nicm 984: }
985:
1.101 nicm 986: /* Move cursor to px,py. */
1.1 nicm 987: void
1.147 nicm 988: screen_write_cursormove(struct screen_write_ctx *ctx, int px, int py,
989: int origin)
1.1 nicm 990: {
991: struct screen *s = ctx->s;
992:
1.147 nicm 993: if (origin && py != -1 && (s->mode & MODE_ORIGIN)) {
1.146 nicm 994: if ((u_int)py > s->rlower - s->rupper)
1.144 nicm 995: py = s->rlower;
996: else
997: py += s->rupper;
998: }
1.145 nicm 999:
1.146 nicm 1000: if (px != -1 && (u_int)px > screen_size_x(s) - 1)
1.145 nicm 1001: px = screen_size_x(s) - 1;
1.146 nicm 1002: if (py != -1 && (u_int)py > screen_size_y(s) - 1)
1.145 nicm 1003: py = screen_size_y(s) - 1;
1.1 nicm 1004:
1.139 nicm 1005: screen_write_set_cursor(ctx, px, py);
1.1 nicm 1006: }
1007:
1.101 nicm 1008: /* Reverse index (up with scroll). */
1.1 nicm 1009: void
1.122 nicm 1010: screen_write_reverseindex(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 1011: {
1012: struct screen *s = ctx->s;
1.17 nicm 1013: struct tty_ctx ttyctx;
1.1 nicm 1014:
1.87 nicm 1015: screen_write_initctx(ctx, &ttyctx);
1.122 nicm 1016: ttyctx.bg = bg;
1.1 nicm 1017:
1.109 nicm 1018: if (s->cy == s->rupper)
1.122 nicm 1019: grid_view_scroll_region_down(s->grid, s->rupper, s->rlower, bg);
1.109 nicm 1020: else if (s->cy > 0)
1.139 nicm 1021: screen_write_set_cursor(ctx, -1, s->cy - 1);
1.1 nicm 1022:
1.111 nicm 1023: screen_write_collect_flush(ctx, 0);
1.17 nicm 1024: tty_write(tty_cmd_reverseindex, &ttyctx);
1.1 nicm 1025: }
1026:
1027: /* Set scroll region. */
1028: void
1.83 nicm 1029: screen_write_scrollregion(struct screen_write_ctx *ctx, u_int rupper,
1030: u_int rlower)
1.1 nicm 1031: {
1032: struct screen *s = ctx->s;
1033:
1034: if (rupper > screen_size_y(s) - 1)
1035: rupper = screen_size_y(s) - 1;
1036: if (rlower > screen_size_y(s) - 1)
1037: rlower = screen_size_y(s) - 1;
1.13 nicm 1038: if (rupper >= rlower) /* cannot be one line */
1.1 nicm 1039: return;
1040:
1.111 nicm 1041: screen_write_collect_flush(ctx, 0);
1.110 nicm 1042:
1.1 nicm 1043: /* Cursor moves to top-left. */
1.139 nicm 1044: screen_write_set_cursor(ctx, 0, 0);
1.1 nicm 1045:
1046: s->rupper = rupper;
1047: s->rlower = rlower;
1048: }
1049:
1.34 nicm 1050: /* Line feed. */
1.1 nicm 1051: void
1.122 nicm 1052: screen_write_linefeed(struct screen_write_ctx *ctx, int wrapped, u_int bg)
1.1 nicm 1053: {
1.20 nicm 1054: struct screen *s = ctx->s;
1.109 nicm 1055: struct grid *gd = s->grid;
1.20 nicm 1056: struct grid_line *gl;
1.1 nicm 1057:
1.137 nicm 1058: gl = grid_get_line(gd, gd->hsize + s->cy);
1.20 nicm 1059: if (wrapped)
1060: gl->flags |= GRID_LINE_WRAPPED;
1.73 nicm 1061: else
1062: gl->flags &= ~GRID_LINE_WRAPPED;
1.20 nicm 1063:
1.114 nicm 1064: log_debug("%s: at %u,%u (region %u-%u)", __func__, s->cx, s->cy,
1065: s->rupper, s->rlower);
1066:
1.122 nicm 1067: if (bg != ctx->bg) {
1068: screen_write_collect_flush(ctx, 1);
1069: ctx->bg = bg;
1070: }
1071:
1.92 nicm 1072: if (s->cy == s->rlower) {
1.122 nicm 1073: grid_view_scroll_region_up(gd, s->rupper, s->rlower, bg);
1.109 nicm 1074: screen_write_collect_scroll(ctx);
1.110 nicm 1075: ctx->scrolled++;
1.109 nicm 1076: } else if (s->cy < screen_size_y(s) - 1)
1.139 nicm 1077: screen_write_set_cursor(ctx, -1, s->cy + 1);
1.1 nicm 1078: }
1079:
1.110 nicm 1080: /* Scroll up. */
1081: void
1.122 nicm 1082: screen_write_scrollup(struct screen_write_ctx *ctx, u_int lines, u_int bg)
1.110 nicm 1083: {
1084: struct screen *s = ctx->s;
1085: struct grid *gd = s->grid;
1086: u_int i;
1087:
1088: if (lines == 0)
1089: lines = 1;
1090: else if (lines > s->rlower - s->rupper + 1)
1091: lines = s->rlower - s->rupper + 1;
1092:
1.122 nicm 1093: if (bg != ctx->bg) {
1094: screen_write_collect_flush(ctx, 1);
1095: ctx->bg = bg;
1096: }
1097:
1.110 nicm 1098: for (i = 0; i < lines; i++) {
1.122 nicm 1099: grid_view_scroll_region_up(gd, s->rupper, s->rlower, bg);
1.110 nicm 1100: screen_write_collect_scroll(ctx);
1101: }
1102: ctx->scrolled += lines;
1.157 nicm 1103: }
1104:
1105: /* Scroll down. */
1106: void
1107: screen_write_scrolldown(struct screen_write_ctx *ctx, u_int lines, u_int bg)
1108: {
1109: struct screen *s = ctx->s;
1110: struct grid *gd = s->grid;
1111: struct tty_ctx ttyctx;
1112: u_int i;
1113:
1114: screen_write_initctx(ctx, &ttyctx);
1115: ttyctx.bg = bg;
1116:
1117: if (lines == 0)
1118: lines = 1;
1119: else if (lines > s->rlower - s->rupper + 1)
1120: lines = s->rlower - s->rupper + 1;
1121:
1122: for (i = 0; i < lines; i++)
1123: grid_view_scroll_region_down(gd, s->rupper, s->rlower, bg);
1124:
1125: screen_write_collect_flush(ctx, 0);
1126: ttyctx.num = lines;
1127: tty_write(tty_cmd_scrolldown, &ttyctx);
1.110 nicm 1128: }
1129:
1.1 nicm 1130: /* Carriage return (cursor to start of line). */
1131: void
1132: screen_write_carriagereturn(struct screen_write_ctx *ctx)
1133: {
1.139 nicm 1134: screen_write_set_cursor(ctx, 0, -1);
1.1 nicm 1135: }
1136:
1137: /* Clear to end of screen from cursor. */
1138: void
1.99 nicm 1139: screen_write_clearendofscreen(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 1140: {
1141: struct screen *s = ctx->s;
1.107 nicm 1142: struct grid *gd = s->grid;
1.17 nicm 1143: struct tty_ctx ttyctx;
1.92 nicm 1144: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1145:
1.87 nicm 1146: screen_write_initctx(ctx, &ttyctx);
1.99 nicm 1147: ttyctx.bg = bg;
1.1 nicm 1148:
1.46 nicm 1149: /* Scroll into history if it is enabled and clearing entire screen. */
1.109 nicm 1150: if (s->cx == 0 && s->cy == 0 && (gd->flags & GRID_HISTORY))
1.107 nicm 1151: grid_view_clear_history(gd, bg);
1.109 nicm 1152: else {
1153: if (s->cx <= sx - 1)
1.107 nicm 1154: grid_view_clear(gd, s->cx, s->cy, sx - s->cx, 1, bg);
1155: grid_view_clear(gd, 0, s->cy + 1, sx, sy - (s->cy + 1), bg);
1.46 nicm 1156: }
1.1 nicm 1157:
1.109 nicm 1158: screen_write_collect_clear(ctx, s->cy + 1, sy - (s->cy + 1));
1.111 nicm 1159: screen_write_collect_flush(ctx, 0);
1.17 nicm 1160: tty_write(tty_cmd_clearendofscreen, &ttyctx);
1.1 nicm 1161: }
1162:
1163: /* Clear to start of screen. */
1164: void
1.105 nicm 1165: screen_write_clearstartofscreen(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 1166: {
1167: struct screen *s = ctx->s;
1.17 nicm 1168: struct tty_ctx ttyctx;
1.92 nicm 1169: u_int sx = screen_size_x(s);
1.1 nicm 1170:
1.87 nicm 1171: screen_write_initctx(ctx, &ttyctx);
1.105 nicm 1172: ttyctx.bg = bg;
1.1 nicm 1173:
1.109 nicm 1174: if (s->cy > 0)
1.105 nicm 1175: grid_view_clear(s->grid, 0, 0, sx, s->cy, bg);
1.109 nicm 1176: if (s->cx > sx - 1)
1.120 nicm 1177: grid_view_clear(s->grid, 0, s->cy, sx, 1, bg);
1.109 nicm 1178: else
1.120 nicm 1179: grid_view_clear(s->grid, 0, s->cy, s->cx + 1, 1, bg);
1.1 nicm 1180:
1.109 nicm 1181: screen_write_collect_clear(ctx, 0, s->cy);
1.111 nicm 1182: screen_write_collect_flush(ctx, 0);
1.17 nicm 1183: tty_write(tty_cmd_clearstartofscreen, &ttyctx);
1.1 nicm 1184: }
1185:
1186: /* Clear entire screen. */
1187: void
1.99 nicm 1188: screen_write_clearscreen(struct screen_write_ctx *ctx, u_int bg)
1.1 nicm 1189: {
1190: struct screen *s = ctx->s;
1.17 nicm 1191: struct tty_ctx ttyctx;
1.92 nicm 1192: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1193:
1.87 nicm 1194: screen_write_initctx(ctx, &ttyctx);
1.99 nicm 1195: ttyctx.bg = bg;
1.1 nicm 1196:
1.46 nicm 1197: /* Scroll into history if it is enabled. */
1198: if (s->grid->flags & GRID_HISTORY)
1.99 nicm 1199: grid_view_clear_history(s->grid, bg);
1.83 nicm 1200: else
1.99 nicm 1201: grid_view_clear(s->grid, 0, 0, sx, sy, bg);
1.1 nicm 1202:
1.109 nicm 1203: screen_write_collect_clear(ctx, 0, sy);
1.17 nicm 1204: tty_write(tty_cmd_clearscreen, &ttyctx);
1.51 nicm 1205: }
1206:
1207: /* Clear entire history. */
1208: void
1209: screen_write_clearhistory(struct screen_write_ctx *ctx)
1210: {
1.156 nicm 1211: grid_clear_history(ctx->s->grid);
1.1 nicm 1212: }
1213:
1.109 nicm 1214: /* Clear a collected line. */
1215: static void
1216: screen_write_collect_clear(struct screen_write_ctx *ctx, u_int y, u_int n)
1217: {
1218: struct screen_write_collect_item *ci, *tmp;
1219: u_int i;
1220: size_t size;
1221:
1.151 nicm 1222: for (i = y; i < y + n; i++) {
1.109 nicm 1223: if (TAILQ_EMPTY(&ctx->list[i].items))
1224: continue;
1225: size = 0;
1226: TAILQ_FOREACH_SAFE(ci, &ctx->list[i].items, entry, tmp) {
1227: size += ci->used;
1228: TAILQ_REMOVE(&ctx->list[i].items, ci, entry);
1229: free(ci);
1230: }
1231: ctx->skipped += size;
1.114 nicm 1232: log_debug("%s: dropped %zu bytes (line %u)", __func__, size, i);
1.109 nicm 1233: }
1234: }
1235:
1236: /* Scroll collected lines up. */
1237: static void
1238: screen_write_collect_scroll(struct screen_write_ctx *ctx)
1239: {
1240: struct screen *s = ctx->s;
1241: struct screen_write_collect_line *cl;
1242: u_int y;
1243:
1.114 nicm 1244: log_debug("%s: at %u,%u (region %u-%u)", __func__, s->cx, s->cy,
1245: s->rupper, s->rlower);
1246:
1.109 nicm 1247: screen_write_collect_clear(ctx, s->rupper, 1);
1248: for (y = s->rupper; y < s->rlower; y++) {
1249: cl = &ctx->list[y + 1];
1250: TAILQ_CONCAT(&ctx->list[y].items, &cl->items, entry);
1251: }
1252: }
1253:
1254: /* Flush collected lines. */
1255: static void
1.111 nicm 1256: screen_write_collect_flush(struct screen_write_ctx *ctx, int scroll_only)
1.109 nicm 1257: {
1258: struct screen *s = ctx->s;
1259: struct screen_write_collect_item *ci, *tmp;
1.116 nicm 1260: u_int y, cx, cy, items = 0;
1.109 nicm 1261: struct tty_ctx ttyctx;
1.116 nicm 1262: size_t written = 0;
1.110 nicm 1263:
1264: if (ctx->scrolled != 0) {
1265: log_debug("%s: scrolled %u (region %u-%u)", __func__,
1266: ctx->scrolled, s->rupper, s->rlower);
1267: if (ctx->scrolled > s->rlower - s->rupper + 1)
1268: ctx->scrolled = s->rlower - s->rupper + 1;
1269:
1270: screen_write_initctx(ctx, &ttyctx);
1271: ttyctx.num = ctx->scrolled;
1.122 nicm 1272: ttyctx.bg = ctx->bg;
1.110 nicm 1273: tty_write(tty_cmd_scrollup, &ttyctx);
1274: }
1275: ctx->scrolled = 0;
1.122 nicm 1276: ctx->bg = 8;
1277:
1.111 nicm 1278: if (scroll_only)
1279: return;
1.109 nicm 1280:
1281: cx = s->cx; cy = s->cy;
1282: for (y = 0; y < screen_size_y(s); y++) {
1283: TAILQ_FOREACH_SAFE(ci, &ctx->list[y].items, entry, tmp) {
1.144 nicm 1284: screen_write_set_cursor(ctx, ci->x, y);
1.109 nicm 1285: screen_write_initctx(ctx, &ttyctx);
1286: ttyctx.cell = &ci->gc;
1.118 nicm 1287: ttyctx.wrapped = ci->wrapped;
1.109 nicm 1288: ttyctx.ptr = ci->data;
1289: ttyctx.num = ci->used;
1290: tty_write(tty_cmd_cells, &ttyctx);
1.116 nicm 1291:
1292: items++;
1293: written += ci->used;
1.109 nicm 1294:
1295: TAILQ_REMOVE(&ctx->list[y].items, ci, entry);
1296: free(ci);
1297: }
1298: }
1299: s->cx = cx; s->cy = cy;
1.116 nicm 1300:
1301: log_debug("%s: flushed %u items (%zu bytes)", __func__, items, written);
1302: ctx->written += written;
1.109 nicm 1303: }
1304:
1305: /* Finish and store collected cells. */
1306: void
1307: screen_write_collect_end(struct screen_write_ctx *ctx)
1308: {
1309: struct screen *s = ctx->s;
1310: struct screen_write_collect_item *ci = ctx->item;
1311: struct grid_cell gc;
1.131 nicm 1312: u_int xx;
1.109 nicm 1313:
1314: if (ci->used == 0)
1315: return;
1316: ci->data[ci->used] = '\0';
1317:
1318: ci->x = s->cx;
1319: TAILQ_INSERT_TAIL(&ctx->list[s->cy].items, ci, entry);
1320: ctx->item = xcalloc(1, sizeof *ctx->item);
1321:
1322: log_debug("%s: %u %s (at %u,%u)", __func__, ci->used, ci->data, s->cx,
1323: s->cy);
1324:
1.131 nicm 1325: if (s->cx != 0) {
1326: for (xx = s->cx; xx > 0; xx--) {
1327: grid_view_get_cell(s->grid, xx, s->cy, &gc);
1328: if (~gc.flags & GRID_FLAG_PADDING)
1329: break;
1.136 nicm 1330: grid_view_set_cell(s->grid, xx, s->cy,
1331: &grid_default_cell);
1.131 nicm 1332: }
1.139 nicm 1333: if (gc.data.width > 1) {
1.136 nicm 1334: grid_view_set_cell(s->grid, xx, s->cy,
1335: &grid_default_cell);
1.139 nicm 1336: }
1.131 nicm 1337: }
1338:
1.159 nicm 1339: grid_view_set_cells(s->grid, s->cx, s->cy, &ci->gc, ci->data, ci->used);
1.139 nicm 1340: screen_write_set_cursor(ctx, s->cx + ci->used, -1);
1.131 nicm 1341:
1342: for (xx = s->cx; xx < screen_size_x(s); xx++) {
1343: grid_view_get_cell(s->grid, xx, s->cy, &gc);
1344: if (~gc.flags & GRID_FLAG_PADDING)
1345: break;
1346: grid_view_set_cell(s->grid, xx, s->cy, &grid_default_cell);
1347: }
1.109 nicm 1348: }
1349:
1350: /* Write cell data, collecting if necessary. */
1351: void
1352: screen_write_collect_add(struct screen_write_ctx *ctx,
1353: const struct grid_cell *gc)
1354: {
1355: struct screen *s = ctx->s;
1356: struct screen_write_collect_item *ci;
1357: u_int sx = screen_size_x(s);
1358: int collect;
1359:
1360: /*
1361: * Don't need to check that the attributes and whatnot are still the
1.116 nicm 1362: * same - input_parse will end the collection when anything that isn't
1.159 nicm 1363: * a plain character is encountered.
1.109 nicm 1364: */
1365:
1366: collect = 1;
1.136 nicm 1367: if (gc->data.width != 1 || gc->data.size != 1 || *gc->data.data >= 0x7f)
1.109 nicm 1368: collect = 0;
1369: else if (gc->attr & GRID_ATTR_CHARSET)
1370: collect = 0;
1371: else if (~s->mode & MODE_WRAP)
1372: collect = 0;
1373: else if (s->mode & MODE_INSERT)
1374: collect = 0;
1.138 nicm 1375: else if (s->sel != NULL)
1.109 nicm 1376: collect = 0;
1377: if (!collect) {
1378: screen_write_collect_end(ctx);
1.116 nicm 1379: screen_write_collect_flush(ctx, 0);
1.109 nicm 1380: screen_write_cell(ctx, gc);
1381: return;
1382: }
1383: ctx->cells++;
1384:
1385: if (s->cx > sx - 1 || ctx->item->used > sx - 1 - s->cx)
1386: screen_write_collect_end(ctx);
1.118 nicm 1387: ci = ctx->item; /* may have changed */
1388:
1.109 nicm 1389: if (s->cx > sx - 1) {
1.114 nicm 1390: log_debug("%s: wrapped at %u,%u", __func__, s->cx, s->cy);
1.118 nicm 1391: ci->wrapped = 1;
1.122 nicm 1392: screen_write_linefeed(ctx, 1, 8);
1.139 nicm 1393: screen_write_set_cursor(ctx, 0, -1);
1.109 nicm 1394: }
1395:
1396: if (ci->used == 0)
1397: memcpy(&ci->gc, gc, sizeof ci->gc);
1398: ci->data[ci->used++] = gc->data.data[0];
1399: if (ci->used == (sizeof ci->data) - 1)
1400: screen_write_collect_end(ctx);
1401: }
1402:
1.1 nicm 1403: /* Write cell data. */
1404: void
1.60 nicm 1405: screen_write_cell(struct screen_write_ctx *ctx, const struct grid_cell *gc)
1.1 nicm 1406: {
1407: struct screen *s = ctx->s;
1408: struct grid *gd = s->grid;
1.109 nicm 1409: struct grid_line *gl;
1410: struct grid_cell_entry *gce;
1411: struct grid_cell tmp_gc, now_gc;
1.15 nicm 1412: struct tty_ctx ttyctx;
1.92 nicm 1413: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.115 nicm 1414: u_int width = gc->data.width, xx, last, cx, cy;
1.109 nicm 1415: int selected, skip = 1;
1.1 nicm 1416:
1.109 nicm 1417: /* Ignore padding cells. */
1.1 nicm 1418: if (gc->flags & GRID_FLAG_PADDING)
1419: return;
1.109 nicm 1420: ctx->cells++;
1.32 nicm 1421:
1.109 nicm 1422: /* If the width is zero, combine onto the previous character. */
1.1 nicm 1423: if (width == 0) {
1.112 nicm 1424: screen_write_collect_flush(ctx, 0);
1.104 nicm 1425: if ((gc = screen_write_combine(ctx, &gc->data, &xx)) != 0) {
1.115 nicm 1426: cx = s->cx; cy = s->cy;
1.144 nicm 1427: screen_write_set_cursor(ctx, xx, s->cy);
1.87 nicm 1428: screen_write_initctx(ctx, &ttyctx);
1.104 nicm 1429: ttyctx.cell = gc;
1430: tty_write(tty_cmd_cell, &ttyctx);
1.115 nicm 1431: s->cx = cx; s->cy = cy;
1.1 nicm 1432: }
1433: return;
1434: }
1.112 nicm 1435:
1436: /* Flush any existing scrolling. */
1437: screen_write_collect_flush(ctx, 1);
1.1 nicm 1438:
1.109 nicm 1439: /* If this character doesn't fit, ignore it. */
1440: if ((~s->mode & MODE_WRAP) &&
1441: width > 1 &&
1442: (width > sx || (s->cx != sx && s->cx > sx - width)))
1443: return;
1444:
1.6 nicm 1445: /* If in insert mode, make space for the cells. */
1.98 nicm 1446: if (s->mode & MODE_INSERT) {
1.109 nicm 1447: grid_view_insert_cells(s->grid, s->cx, s->cy, width, 8);
1448: skip = 0;
1449: }
1.6 nicm 1450:
1.20 nicm 1451: /* Check this will fit on the current line and wrap if not. */
1.92 nicm 1452: if ((s->mode & MODE_WRAP) && s->cx > sx - width) {
1.128 nicm 1453: log_debug("%s: wrapped at %u,%u", __func__, s->cx, s->cy);
1.122 nicm 1454: screen_write_linefeed(ctx, 1, 8);
1.139 nicm 1455: screen_write_set_cursor(ctx, 0, -1);
1.128 nicm 1456: screen_write_collect_flush(ctx, 1);
1.1 nicm 1457: }
1458:
1.64 nicm 1459: /* Sanity check cursor position. */
1.92 nicm 1460: if (s->cx > sx - width || s->cy > sy - 1)
1.1 nicm 1461: return;
1.106 nicm 1462: screen_write_initctx(ctx, &ttyctx);
1463:
1.1 nicm 1464: /* Handle overwriting of UTF-8 characters. */
1.137 nicm 1465: gl = grid_get_line(s->grid, s->grid->hsize + s->cy);
1.92 nicm 1466: if (gl->flags & GRID_LINE_EXTENDED) {
1467: grid_view_get_cell(gd, s->cx, s->cy, &now_gc);
1468: if (screen_write_overwrite(ctx, &now_gc, width))
1469: skip = 0;
1470: }
1.1 nicm 1471:
1472: /*
1473: * If the new character is UTF-8 wide, fill in padding cells. Have
1474: * already ensured there is enough room.
1475: */
1.89 nicm 1476: for (xx = s->cx + 1; xx < s->cx + width; xx++) {
1.131 nicm 1477: log_debug("%s: new padding at %u,%u", __func__, xx, s->cy);
1.88 nicm 1478: grid_view_set_cell(gd, xx, s->cy, &screen_write_pad_cell);
1.89 nicm 1479: skip = 0;
1480: }
1481:
1482: /* If no change, do not draw. */
1.92 nicm 1483: if (skip) {
1484: if (s->cx >= gl->cellsize)
1485: skip = grid_cells_equal(gc, &grid_default_cell);
1486: else {
1487: gce = &gl->celldata[s->cx];
1488: if (gce->flags & GRID_FLAG_EXTENDED)
1489: skip = 0;
1.95 nicm 1490: else if (gc->flags != gce->flags)
1.92 nicm 1491: skip = 0;
1492: else if (gc->attr != gce->data.attr)
1493: skip = 0;
1494: else if (gc->fg != gce->data.fg)
1495: skip = 0;
1496: else if (gc->bg != gce->data.bg)
1497: skip = 0;
1.95 nicm 1498: else if (gc->data.width != 1)
1499: skip = 0;
1.109 nicm 1500: else if (gc->data.size != 1)
1501: skip = 0;
1.95 nicm 1502: else if (gce->data.data != gc->data.data[0])
1.92 nicm 1503: skip = 0;
1504: }
1505: }
1.1 nicm 1506:
1.127 nicm 1507: /* Update the selected flag and set the cell. */
1.90 nicm 1508: selected = screen_check_selection(s, s->cx, s->cy);
1.109 nicm 1509: if (selected && (~gc->flags & GRID_FLAG_SELECTED)) {
1.90 nicm 1510: memcpy(&tmp_gc, gc, sizeof tmp_gc);
1511: tmp_gc.flags |= GRID_FLAG_SELECTED;
1512: grid_view_set_cell(gd, s->cx, s->cy, &tmp_gc);
1.109 nicm 1513: } else if (!selected && (gc->flags & GRID_FLAG_SELECTED)) {
1.90 nicm 1514: memcpy(&tmp_gc, gc, sizeof tmp_gc);
1515: tmp_gc.flags &= ~GRID_FLAG_SELECTED;
1516: grid_view_set_cell(gd, s->cx, s->cy, &tmp_gc);
1517: } else if (!skip)
1.89 nicm 1518: grid_view_set_cell(gd, s->cx, s->cy, gc);
1.109 nicm 1519: if (selected)
1520: skip = 0;
1.1 nicm 1521:
1.64 nicm 1522: /*
1523: * Move the cursor. If not wrapping, stick at the last character and
1524: * replace it.
1525: */
1.65 nicm 1526: last = !(s->mode & MODE_WRAP);
1.92 nicm 1527: if (s->cx <= sx - last - width)
1.139 nicm 1528: screen_write_set_cursor(ctx, s->cx + width, -1);
1.64 nicm 1529: else
1.139 nicm 1530: screen_write_set_cursor(ctx, sx - last, -1);
1.1 nicm 1531:
1.89 nicm 1532: /* Create space for character in insert mode. */
1.109 nicm 1533: if (s->mode & MODE_INSERT) {
1.113 nicm 1534: screen_write_collect_flush(ctx, 0);
1.17 nicm 1535: ttyctx.num = width;
1536: tty_write(tty_cmd_insertcharacter, &ttyctx);
1537: }
1.89 nicm 1538:
1539: /* Write to the screen. */
1.109 nicm 1540: if (!skip) {
1541: if (selected) {
1542: screen_select_cell(s, &tmp_gc, gc);
1543: ttyctx.cell = &tmp_gc;
1544: } else
1545: ttyctx.cell = gc;
1.16 nicm 1546: tty_write(tty_cmd_cell, &ttyctx);
1.92 nicm 1547: ctx->written++;
1548: } else
1549: ctx->skipped++;
1.35 nicm 1550: }
1551:
1552: /* Combine a UTF-8 zero-width character onto the previous. */
1.104 nicm 1553: static const struct grid_cell *
1554: screen_write_combine(struct screen_write_ctx *ctx, const struct utf8_data *ud,
1555: u_int *xx)
1.35 nicm 1556: {
1557: struct screen *s = ctx->s;
1558: struct grid *gd = s->grid;
1.104 nicm 1559: static struct grid_cell gc;
1560: u_int n;
1.35 nicm 1561:
1562: /* Can't combine if at 0. */
1563: if (s->cx == 0)
1.104 nicm 1564: return (NULL);
1.35 nicm 1565:
1.60 nicm 1566: /* Empty data is out. */
1567: if (ud->size == 0)
1.37 nicm 1568: fatalx("UTF-8 data empty");
1569:
1.60 nicm 1570: /* Retrieve the previous cell. */
1.119 nicm 1571: for (n = 1; n <= s->cx; n++) {
1.104 nicm 1572: grid_view_get_cell(gd, s->cx - n, s->cy, &gc);
1573: if (~gc.flags & GRID_FLAG_PADDING)
1574: break;
1575: }
1.119 nicm 1576: if (n > s->cx)
1.104 nicm 1577: return (NULL);
1578: *xx = s->cx - n;
1.35 nicm 1579:
1.60 nicm 1580: /* Check there is enough space. */
1.77 nicm 1581: if (gc.data.size + ud->size > sizeof gc.data.data)
1.104 nicm 1582: return (NULL);
1583:
1584: log_debug("%s: %.*s onto %.*s at %u,%u", __func__, (int)ud->size,
1585: ud->data, (int)gc.data.size, gc.data.data, *xx, s->cy);
1.35 nicm 1586:
1.77 nicm 1587: /* Append the data. */
1588: memcpy(gc.data.data + gc.data.size, ud->data, ud->size);
1589: gc.data.size += ud->size;
1590:
1591: /* Set the new cell. */
1.104 nicm 1592: grid_view_set_cell(gd, *xx, s->cy, &gc);
1.35 nicm 1593:
1.104 nicm 1594: return (&gc);
1.1 nicm 1595: }
1596:
1597: /*
1598: * UTF-8 wide characters are a bit of an annoyance. They take up more than one
1599: * cell on the screen, so following cells must not be drawn by marking them as
1600: * padding.
1601: *
1602: * So far, so good. The problem is, when overwriting a padding cell, or a UTF-8
1603: * character, it is necessary to also overwrite any other cells which covered
1604: * by the same character.
1605: */
1.89 nicm 1606: static int
1607: screen_write_overwrite(struct screen_write_ctx *ctx, struct grid_cell *gc,
1608: u_int width)
1.1 nicm 1609: {
1610: struct screen *s = ctx->s;
1611: struct grid *gd = s->grid;
1.89 nicm 1612: struct grid_cell tmp_gc;
1.1 nicm 1613: u_int xx;
1.89 nicm 1614: int done = 0;
1.1 nicm 1615:
1.89 nicm 1616: if (gc->flags & GRID_FLAG_PADDING) {
1.1 nicm 1617: /*
1618: * A padding cell, so clear any following and leading padding
1619: * cells back to the character. Don't overwrite the current
1620: * cell as that happens later anyway.
1621: */
1622: xx = s->cx + 1;
1623: while (--xx > 0) {
1.89 nicm 1624: grid_view_get_cell(gd, xx, s->cy, &tmp_gc);
1625: if (~tmp_gc.flags & GRID_FLAG_PADDING)
1.1 nicm 1626: break;
1.131 nicm 1627: log_debug("%s: padding at %u,%u", __func__, xx, s->cy);
1.1 nicm 1628: grid_view_set_cell(gd, xx, s->cy, &grid_default_cell);
1629: }
1630:
1631: /* Overwrite the character at the start of this padding. */
1.131 nicm 1632: log_debug("%s: character at %u,%u", __func__, xx, s->cy);
1.1 nicm 1633: grid_view_set_cell(gd, xx, s->cy, &grid_default_cell);
1.89 nicm 1634: done = 1;
1.43 nicm 1635: }
1.1 nicm 1636:
1.43 nicm 1637: /*
1.95 nicm 1638: * Overwrite any padding cells that belong to any UTF-8 characters
1639: * we'll be overwriting with the current character.
1.43 nicm 1640: */
1.95 nicm 1641: if (width != 1 ||
1642: gc->data.width != 1 ||
1643: gc->flags & GRID_FLAG_PADDING) {
1.89 nicm 1644: xx = s->cx + width - 1;
1645: while (++xx < screen_size_x(s)) {
1646: grid_view_get_cell(gd, xx, s->cy, &tmp_gc);
1647: if (~tmp_gc.flags & GRID_FLAG_PADDING)
1648: break;
1.160 nicm 1649: log_debug("%s: overwrite at %u,%u", __func__, xx,
1650: s->cy);
1.89 nicm 1651: grid_view_set_cell(gd, xx, s->cy, &grid_default_cell);
1652: done = 1;
1653: }
1.1 nicm 1654: }
1.89 nicm 1655:
1656: return (done);
1.50 nicm 1657: }
1658:
1.107 nicm 1659: /* Set external clipboard. */
1.50 nicm 1660: void
1661: screen_write_setselection(struct screen_write_ctx *ctx, u_char *str, u_int len)
1662: {
1663: struct tty_ctx ttyctx;
1664:
1.87 nicm 1665: screen_write_initctx(ctx, &ttyctx);
1.50 nicm 1666: ttyctx.ptr = str;
1667: ttyctx.num = len;
1668:
1669: tty_write(tty_cmd_setselection, &ttyctx);
1.47 nicm 1670: }
1671:
1.107 nicm 1672: /* Write unmodified string. */
1.47 nicm 1673: void
1674: screen_write_rawstring(struct screen_write_ctx *ctx, u_char *str, u_int len)
1675: {
1.87 nicm 1676: struct tty_ctx ttyctx;
1.47 nicm 1677:
1.87 nicm 1678: screen_write_initctx(ctx, &ttyctx);
1.47 nicm 1679: ttyctx.ptr = str;
1680: ttyctx.num = len;
1681:
1682: tty_write(tty_cmd_rawstring, &ttyctx);
1.1 nicm 1683: }
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