Annotation of src/usr.bin/tmux/status.c, Revision 1.185
1.185 ! nicm 1: /* $OpenBSD: status.c,v 1.184 2019/03/12 20:02:47 nicm Exp $ */
1.1 nicm 2:
3: /*
1.148 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: #include <sys/time.h>
21:
22: #include <errno.h>
23: #include <limits.h>
24: #include <stdarg.h>
25: #include <stdlib.h>
26: #include <string.h>
27: #include <time.h>
28: #include <unistd.h>
29:
30: #include "tmux.h"
31:
1.185 ! nicm 32: static char *status_redraw_get_left(struct client *, struct grid_cell *,
! 33: size_t *);
! 34: static char *status_redraw_get_right(struct client *, struct grid_cell *,
! 35: size_t *);
! 36: static char *status_print(struct client *, struct winlink *,
1.151 nicm 37: struct grid_cell *);
1.185 ! nicm 38: static char *status_replace(struct client *, struct winlink *,
! 39: const char *);
1.151 nicm 40: static void status_message_callback(int, short, void *);
41: static void status_timer_callback(int, short, void *);
42:
43: static char *status_prompt_find_history_file(void);
44: static const char *status_prompt_up_history(u_int *);
45: static const char *status_prompt_down_history(u_int *);
46: static void status_prompt_add_history(const char *);
47:
1.183 nicm 48: static char **status_prompt_complete_list(u_int *, const char *);
49: static char *status_prompt_complete_prefix(char **, u_int);
1.151 nicm 50: static char *status_prompt_complete(struct session *, const char *);
1.130 nicm 51:
1.65 nicm 52: /* Status prompt history. */
1.128 nicm 53: #define PROMPT_HISTORY 100
1.151 nicm 54: static char **status_prompt_hlist;
55: static u_int status_prompt_hsize;
1.130 nicm 56:
57: /* Find the history file to load/save from/to. */
1.151 nicm 58: static char *
1.130 nicm 59: status_prompt_find_history_file(void)
60: {
61: const char *home, *history_file;
62: char *path;
63:
1.137 nicm 64: history_file = options_get_string(global_options, "history-file");
1.130 nicm 65: if (*history_file == '\0')
66: return (NULL);
67: if (*history_file == '/')
68: return (xstrdup(history_file));
69:
70: if (history_file[0] != '~' || history_file[1] != '/')
71: return (NULL);
72: if ((home = find_home()) == NULL)
73: return (NULL);
74: xasprintf(&path, "%s%s", home, history_file + 1);
75: return (path);
76: }
77:
78: /* Load status prompt history from file. */
79: void
80: status_prompt_load_history(void)
81: {
82: FILE *f;
83: char *history_file, *line, *tmp;
84: size_t length;
85:
86: if ((history_file = status_prompt_find_history_file()) == NULL)
87: return;
88: log_debug("loading history from %s", history_file);
89:
90: f = fopen(history_file, "r");
91: if (f == NULL) {
92: log_debug("%s: %s", history_file, strerror(errno));
93: free(history_file);
94: return;
95: }
96: free(history_file);
97:
98: for (;;) {
99: if ((line = fgetln(f, &length)) == NULL)
100: break;
101:
102: if (length > 0) {
103: if (line[length - 1] == '\n') {
104: line[length - 1] = '\0';
105: status_prompt_add_history(line);
106: } else {
107: tmp = xmalloc(length + 1);
108: memcpy(tmp, line, length);
109: tmp[length] = '\0';
110: status_prompt_add_history(tmp);
111: free(tmp);
112: }
113: }
114: }
115: fclose(f);
116: }
117:
118: /* Save status prompt history to file. */
119: void
120: status_prompt_save_history(void)
121: {
122: FILE *f;
123: u_int i;
124: char *history_file;
125:
126: if ((history_file = status_prompt_find_history_file()) == NULL)
127: return;
128: log_debug("saving history to %s", history_file);
129:
130: f = fopen(history_file, "w");
131: if (f == NULL) {
132: log_debug("%s: %s", history_file, strerror(errno));
133: free(history_file);
134: return;
135: }
136: free(history_file);
137:
138: for (i = 0; i < status_prompt_hsize; i++) {
139: fputs(status_prompt_hlist[i], f);
140: fputc('\n', f);
141: }
142: fclose(f);
143:
1.87 nicm 144: }
145:
1.133 nicm 146: /* Status timer callback. */
1.151 nicm 147: static void
1.141 nicm 148: status_timer_callback(__unused int fd, __unused short events, void *arg)
1.133 nicm 149: {
150: struct client *c = arg;
151: struct session *s = c->session;
152: struct timeval tv;
153:
1.175 nicm 154: evtimer_del(&c->status.timer);
1.133 nicm 155:
156: if (s == NULL)
157: return;
158:
159: if (c->message_string == NULL && c->prompt_string == NULL)
1.177 nicm 160: c->flags |= CLIENT_REDRAWSTATUS;
1.133 nicm 161:
162: timerclear(&tv);
1.137 nicm 163: tv.tv_sec = options_get_number(s->options, "status-interval");
1.133 nicm 164:
165: if (tv.tv_sec != 0)
1.175 nicm 166: evtimer_add(&c->status.timer, &tv);
1.136 nicm 167: log_debug("client %p, status interval %d", c, (int)tv.tv_sec);
1.133 nicm 168: }
169:
170: /* Start status timer for client. */
171: void
172: status_timer_start(struct client *c)
173: {
174: struct session *s = c->session;
175:
1.175 nicm 176: if (event_initialized(&c->status.timer))
177: evtimer_del(&c->status.timer);
1.133 nicm 178: else
1.175 nicm 179: evtimer_set(&c->status.timer, status_timer_callback, c);
1.133 nicm 180:
1.137 nicm 181: if (s != NULL && options_get_number(s->options, "status"))
1.133 nicm 182: status_timer_callback(-1, 0, c);
183: }
184:
185: /* Start status timer for all clients. */
186: void
187: status_timer_start_all(void)
188: {
189: struct client *c;
190:
191: TAILQ_FOREACH(c, &clients, entry)
192: status_timer_start(c);
193: }
194:
1.161 nicm 195: /* Update status cache. */
196: void
197: status_update_saved(struct session *s)
198: {
199: if (!options_get_number(s->options, "status"))
200: s->statusat = -1;
201: else if (options_get_number(s->options, "status-position") == 0)
202: s->statusat = 0;
203: else
204: s->statusat = 1;
205: }
206:
1.87 nicm 207: /* Get screen line of status line. -1 means off. */
208: int
209: status_at_line(struct client *c)
210: {
211: struct session *s = c->session;
212:
1.169 nicm 213: if (c->flags & CLIENT_STATUSOFF)
214: return (-1);
1.161 nicm 215: if (s->statusat != 1)
216: return (s->statusat);
1.182 nicm 217: return (c->tty.sy - status_line_size(c));
1.169 nicm 218: }
219:
1.182 nicm 220: /* Get size of status line for client's session. 0 means off. */
1.169 nicm 221: u_int
1.182 nicm 222: status_line_size(struct client *c)
1.169 nicm 223: {
1.182 nicm 224: struct session *s = c->session;
225:
226: if (c->flags & CLIENT_STATUSOFF)
227: return (0);
1.169 nicm 228: if (s->statusat == -1)
229: return (0);
230: return (1);
1.71 nicm 231: }
232:
1.48 nicm 233: /* Retrieve options for left string. */
1.151 nicm 234: static char *
1.185 ! nicm 235: status_redraw_get_left(struct client *c, struct grid_cell *gc, size_t *size)
1.48 nicm 236: {
237: struct session *s = c->session;
1.120 nicm 238: const char *template;
1.48 nicm 239: char *left;
240: size_t leftlen;
241:
1.137 nicm 242: style_apply_update(gc, s->options, "status-left-style");
1.48 nicm 243:
1.137 nicm 244: template = options_get_string(s->options, "status-left");
1.185 ! nicm 245: left = status_replace(c, NULL, template);
1.48 nicm 246:
1.137 nicm 247: *size = options_get_number(s->options, "status-left-length");
1.139 nicm 248: leftlen = screen_write_cstrlen("%s", left);
1.48 nicm 249: if (leftlen < *size)
250: *size = leftlen;
251: return (left);
252: }
253:
254: /* Retrieve options for right string. */
1.151 nicm 255: static char *
1.185 ! nicm 256: status_redraw_get_right(struct client *c, struct grid_cell *gc, size_t *size)
1.48 nicm 257: {
258: struct session *s = c->session;
1.120 nicm 259: const char *template;
1.48 nicm 260: char *right;
261: size_t rightlen;
262:
1.137 nicm 263: style_apply_update(gc, s->options, "status-right-style");
1.48 nicm 264:
1.137 nicm 265: template = options_get_string(s->options, "status-right");
1.185 ! nicm 266: right = status_replace(c, NULL, template);
1.48 nicm 267:
1.137 nicm 268: *size = options_get_number(s->options, "status-right-length");
1.139 nicm 269: rightlen = screen_write_cstrlen("%s", right);
1.48 nicm 270: if (rightlen < *size)
271: *size = rightlen;
272: return (right);
273: }
274:
1.125 nicm 275: /* Get window at window list position. */
276: struct window *
277: status_get_window_at(struct client *c, u_int x)
1.73 nicm 278: {
279: struct session *s = c->session;
280: struct winlink *wl;
1.115 nicm 281: struct options *oo;
1.149 nicm 282: const char *sep;
283: size_t seplen;
1.73 nicm 284:
1.178 nicm 285: x += c->status.window_list_offset;
1.73 nicm 286: RB_FOREACH(wl, winlinks, &s->windows) {
1.137 nicm 287: oo = wl->window->options;
1.149 nicm 288:
289: sep = options_get_string(oo, "window-status-separator");
290: seplen = screen_write_cstrlen("%s", sep);
1.115 nicm 291:
1.125 nicm 292: if (x < wl->status_width)
293: return (wl->window);
1.149 nicm 294: x -= wl->status_width + seplen;
1.73 nicm 295: }
1.125 nicm 296: return (NULL);
1.73 nicm 297: }
298:
1.1 nicm 299: /* Draw status for client on the last lines of given context. */
300: int
301: status_redraw(struct client *c)
302: {
1.159 nicm 303: struct screen_write_ctx ctx;
304: struct session *s = c->session;
305: struct winlink *wl;
306: struct screen old_status, window_list;
307: struct grid_cell stdgc, lgc, rgc, gc;
308: struct options *oo;
309: char *left, *right;
310: const char *sep;
1.169 nicm 311: u_int offset, needed, lines;
1.159 nicm 312: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
313: size_t llen, rlen, seplen;
314: int larrow, rarrow;
1.1 nicm 315:
1.167 nicm 316: /* Delete the saved status line, if any. */
1.175 nicm 317: if (c->status.old_status != NULL) {
318: screen_free(c->status.old_status);
319: free(c->status.old_status);
320: c->status.old_status = NULL;
1.167 nicm 321: }
322:
1.49 nicm 323: /* No status line? */
1.182 nicm 324: lines = status_line_size(c);
1.169 nicm 325: if (c->tty.sy == 0 || lines == 0)
1.7 nicm 326: return (1);
1.48 nicm 327: left = right = NULL;
1.7 nicm 328: larrow = rarrow = 0;
1.1 nicm 329:
1.48 nicm 330: /* Set up default colour. */
1.137 nicm 331: style_apply(&stdgc, s->options, "status-style");
1.1 nicm 332:
1.48 nicm 333: /* Create the target screen. */
1.175 nicm 334: memcpy(&old_status, &c->status.status, sizeof old_status);
335: screen_init(&c->status.status, c->tty.sx, lines, 0);
336: screen_write_start(&ctx, NULL, &c->status.status);
1.170 nicm 337: for (offset = 0; offset < lines * c->tty.sx; offset++)
338: screen_write_putc(&ctx, &stdgc, ' ');
1.48 nicm 339: screen_write_stop(&ctx);
340:
1.169 nicm 341: /* If the height is too small, blank status line. */
342: if (c->tty.sy < lines)
1.48 nicm 343: goto out;
1.1 nicm 344:
1.48 nicm 345: /* Work out left and right strings. */
346: memcpy(&lgc, &stdgc, sizeof lgc);
1.185 ! nicm 347: left = status_redraw_get_left(c, &lgc, &llen);
1.48 nicm 348: memcpy(&rgc, &stdgc, sizeof rgc);
1.185 ! nicm 349: right = status_redraw_get_right(c, &rgc, &rlen);
1.1 nicm 350:
351: /*
1.48 nicm 352: * Figure out how much space we have for the window list. If there
353: * isn't enough space, just show a blank status line.
1.1 nicm 354: */
1.55 nicm 355: needed = 0;
1.1 nicm 356: if (llen != 0)
1.118 nicm 357: needed += llen;
1.1 nicm 358: if (rlen != 0)
1.118 nicm 359: needed += rlen;
1.48 nicm 360: if (c->tty.sx == 0 || c->tty.sx <= needed)
361: goto out;
362: wlavailable = c->tty.sx - needed;
1.1 nicm 363:
1.48 nicm 364: /* Calculate the total size needed for the window list. */
365: wlstart = wloffset = wlwidth = 0;
1.1 nicm 366: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 367: free(wl->status_text);
1.48 nicm 368: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
1.185 ! nicm 369: wl->status_text = status_print(c, wl, &wl->status_cell);
1.139 nicm 370: wl->status_width = screen_write_cstrlen("%s", wl->status_text);
1.48 nicm 371:
1.1 nicm 372: if (wl == s->curw)
1.48 nicm 373: wloffset = wlwidth;
1.91 nicm 374:
1.137 nicm 375: oo = wl->window->options;
1.91 nicm 376: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 377: seplen = screen_write_cstrlen("%s", sep);
1.91 nicm 378: wlwidth += wl->status_width + seplen;
1.48 nicm 379: }
380:
381: /* Create a new screen for the window list. */
382: screen_init(&window_list, wlwidth, 1, 0);
383:
384: /* And draw the window list into it. */
385: screen_write_start(&ctx, NULL, &window_list);
386: RB_FOREACH(wl, winlinks, &s->windows) {
1.139 nicm 387: screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s",
388: wl->status_text);
1.91 nicm 389:
1.137 nicm 390: oo = wl->window->options;
1.91 nicm 391: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 392: screen_write_cnputs(&ctx, -1, &stdgc, "%s", sep);
1.1 nicm 393: }
1.48 nicm 394: screen_write_stop(&ctx);
1.1 nicm 395:
1.48 nicm 396: /* If there is enough space for the total width, skip to draw now. */
397: if (wlwidth <= wlavailable)
1.1 nicm 398: goto draw;
399:
400: /* Find size of current window text. */
1.48 nicm 401: wlsize = s->curw->status_width;
1.1 nicm 402:
403: /*
1.48 nicm 404: * If the current window is already on screen, good to draw from the
1.1 nicm 405: * start and just leave off the end.
406: */
1.48 nicm 407: if (wloffset + wlsize < wlavailable) {
408: if (wlavailable > 0) {
409: rarrow = 1;
410: wlavailable--;
411: }
412: wlwidth = wlavailable;
413: } else {
414: /*
415: * Work out how many characters we need to omit from the
416: * start. There are wlavailable characters to fill, and
417: * wloffset + wlsize must be the last. So, the start character
418: * is wloffset + wlsize - wlavailable.
419: */
420: if (wlavailable > 0) {
421: larrow = 1;
422: wlavailable--;
423: }
1.55 nicm 424:
1.48 nicm 425: wlstart = wloffset + wlsize - wlavailable;
426: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 427: rarrow = 1;
1.48 nicm 428: wlstart++;
429: wlavailable--;
1.1 nicm 430: }
1.48 nicm 431: wlwidth = wlavailable;
432: }
1.1 nicm 433:
1.48 nicm 434: /* Bail if anything is now too small too. */
435: if (wlwidth == 0 || wlavailable == 0) {
436: screen_free(&window_list);
437: goto out;
1.1 nicm 438: }
439:
440: /*
1.48 nicm 441: * Now the start position is known, work out the state of the left and
442: * right arrows.
1.1 nicm 443: */
444: offset = 0;
445: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 446: if (wl->flags & WINLINK_ALERTFLAGS &&
447: larrow == 1 && offset < wlstart)
448: larrow = -1;
1.1 nicm 449:
1.48 nicm 450: offset += wl->status_width;
1.1 nicm 451:
1.63 nicm 452: if (wl->flags & WINLINK_ALERTFLAGS &&
453: rarrow == 1 && offset > wlstart + wlwidth)
454: rarrow = -1;
1.1 nicm 455: }
456:
1.48 nicm 457: draw:
1.55 nicm 458: /* Begin drawing. */
1.175 nicm 459: screen_write_start(&ctx, NULL, &c->status.status);
1.1 nicm 460:
1.48 nicm 461: /* Draw the left string and arrow. */
1.184 nicm 462: screen_write_cursormove(&ctx, 0, 0, 0);
1.118 nicm 463: if (llen != 0)
1.139 nicm 464: screen_write_cnputs(&ctx, llen, &lgc, "%s", left);
1.1 nicm 465: if (larrow != 0) {
466: memcpy(&gc, &stdgc, sizeof gc);
467: if (larrow == -1)
468: gc.attr ^= GRID_ATTR_REVERSE;
469: screen_write_putc(&ctx, &gc, '<');
470: }
1.48 nicm 471:
472: /* Draw the right string and arrow. */
1.1 nicm 473: if (rarrow != 0) {
1.184 nicm 474: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0, 0);
1.1 nicm 475: memcpy(&gc, &stdgc, sizeof gc);
476: if (rarrow == -1)
477: gc.attr ^= GRID_ATTR_REVERSE;
478: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 479: } else
1.184 nicm 480: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0, 0);
1.118 nicm 481: if (rlen != 0)
1.139 nicm 482: screen_write_cnputs(&ctx, rlen, &rgc, "%s", right);
1.1 nicm 483:
1.48 nicm 484: /* Figure out the offset for the window list. */
1.58 nicm 485: if (llen != 0)
1.118 nicm 486: wloffset = llen;
1.58 nicm 487: else
488: wloffset = 0;
1.48 nicm 489: if (wlwidth < wlavailable) {
1.137 nicm 490: switch (options_get_number(s->options, "status-justify")) {
1.119 sthen 491: case 1: /* centred */
1.58 nicm 492: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 493: break;
494: case 2: /* right */
1.58 nicm 495: wloffset += (wlavailable - wlwidth);
1.48 nicm 496: break;
497: }
498: }
499: if (larrow != 0)
500: wloffset++;
501:
502: /* Copy the window list. */
1.178 nicm 503: c->status.window_list_offset = -wloffset + wlstart;
1.184 nicm 504: screen_write_cursormove(&ctx, wloffset, 0, 0);
1.171 nicm 505: screen_write_fast_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 506: screen_free(&window_list);
1.179 nicm 507:
508: /* Save left and right size. */
509: c->status.left_size = llen;
510: c->status.right_size = rlen;
1.1 nicm 511:
1.48 nicm 512: screen_write_stop(&ctx);
1.1 nicm 513:
514: out:
1.94 nicm 515: free(left);
516: free(right);
1.1 nicm 517:
1.175 nicm 518: if (grid_compare(c->status.status.grid, old_status.grid) == 0) {
1.1 nicm 519: screen_free(&old_status);
520: return (0);
521: }
522: screen_free(&old_status);
523: return (1);
524: }
525:
1.46 nicm 526: /* Replace special sequences in fmt. */
1.151 nicm 527: static char *
1.185 ! nicm 528: status_replace(struct client *c, struct winlink *wl, const char *fmt)
1.46 nicm 529: {
1.96 nicm 530: struct format_tree *ft;
1.129 nicm 531: char *expanded;
1.160 nicm 532: u_int tag;
1.47 nicm 533:
1.93 nicm 534: if (fmt == NULL)
535: return (xstrdup(""));
536:
1.160 nicm 537: if (wl != NULL)
538: tag = FORMAT_WINDOW|wl->window->id;
539: else
540: tag = FORMAT_NONE;
1.135 nicm 541: if (c->flags & CLIENT_STATUSFORCE)
1.164 nicm 542: ft = format_create(c, NULL, tag, FORMAT_STATUS|FORMAT_FORCE);
1.135 nicm 543: else
1.164 nicm 544: ft = format_create(c, NULL, tag, FORMAT_STATUS);
1.129 nicm 545: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 546:
1.185 ! nicm 547: expanded = format_expand_time(ft, fmt);
1.46 nicm 548:
1.99 nicm 549: format_free(ft);
550: return (expanded);
1.1 nicm 551: }
552:
1.46 nicm 553: /* Return winlink status line entry and adjust gc as necessary. */
1.151 nicm 554: static char *
1.185 ! nicm 555: status_print(struct client *c, struct winlink *wl, struct grid_cell *gc)
1.1 nicm 556: {
1.137 nicm 557: struct options *oo = wl->window->options;
1.47 nicm 558: struct session *s = c->session;
559: const char *fmt;
560: char *text;
1.1 nicm 561:
1.108 nicm 562: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 563: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 564: if (wl == s->curw) {
1.108 nicm 565: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 566: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 567: }
1.108 nicm 568: if (wl == TAILQ_FIRST(&s->lastw))
569: style_apply_update(gc, oo, "window-status-last-style");
570:
571: if (wl->flags & WINLINK_BELL)
572: style_apply_update(gc, oo, "window-status-bell-style");
573: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
574: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 575:
1.185 ! nicm 576: text = status_replace(c, wl, fmt);
1.1 nicm 577: return (text);
578: }
579:
1.46 nicm 580: /* Set a status line message. */
1.117 nicm 581: void
1.10 nicm 582: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 583: {
1.162 nicm 584: struct timeval tv;
585: va_list ap;
586: int delay;
1.1 nicm 587:
1.12 nicm 588: status_message_clear(c);
589:
1.175 nicm 590: if (c->status.old_status == NULL) {
591: c->status.old_status = xmalloc(sizeof *c->status.old_status);
592: memcpy(c->status.old_status, &c->status.status,
593: sizeof *c->status.old_status);
594: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.167 nicm 595: }
596:
1.28 nicm 597: va_start(ap, fmt);
598: xvasprintf(&c->message_string, fmt, ap);
599: va_end(ap);
600:
1.162 nicm 601: server_client_add_message(c, "%s", c->message_string);
1.44 nicm 602:
1.137 nicm 603: delay = options_get_number(c->session->options, "display-time");
1.143 tim 604: if (delay > 0) {
605: tv.tv_sec = delay / 1000;
606: tv.tv_usec = (delay % 1000) * 1000L;
607:
608: if (event_initialized(&c->message_timer))
609: evtimer_del(&c->message_timer);
610: evtimer_set(&c->message_timer, status_message_callback, c);
611: evtimer_add(&c->message_timer, &tv);
612: }
1.1 nicm 613:
614: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 615: c->flags |= CLIENT_REDRAWSTATUS;
1.1 nicm 616: }
617:
1.46 nicm 618: /* Clear status line message. */
1.1 nicm 619: void
620: status_message_clear(struct client *c)
621: {
622: if (c->message_string == NULL)
623: return;
624:
1.94 nicm 625: free(c->message_string);
1.1 nicm 626: c->message_string = NULL;
627:
1.156 nicm 628: if (c->prompt_string == NULL)
629: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 630: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 631:
1.175 nicm 632: screen_reinit(&c->status.status);
1.42 nicm 633: }
634:
1.46 nicm 635: /* Clear status line message after timer expires. */
1.151 nicm 636: static void
1.141 nicm 637: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 638: {
639: struct client *c = data;
640:
641: status_message_clear(c);
1.1 nicm 642: }
643:
644: /* Draw client message on status line of present else on last line. */
645: int
646: status_message_redraw(struct client *c)
647: {
648: struct screen_write_ctx ctx;
649: struct session *s = c->session;
650: struct screen old_status;
651: size_t len;
652: struct grid_cell gc;
1.170 nicm 653: u_int lines, offset;
1.1 nicm 654:
655: if (c->tty.sx == 0 || c->tty.sy == 0)
656: return (0);
1.175 nicm 657: memcpy(&old_status, &c->status.status, sizeof old_status);
1.169 nicm 658:
1.182 nicm 659: lines = status_line_size(c);
1.173 nicm 660: if (lines <= 1) {
661: lines = 1;
1.175 nicm 662: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.173 nicm 663: } else
1.175 nicm 664: screen_init(&c->status.status, c->tty.sx, lines, 0);
1.1 nicm 665:
1.139 nicm 666: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 667: if (len > c->tty.sx)
668: len = c->tty.sx;
669:
1.137 nicm 670: style_apply(&gc, s->options, "message-style");
1.1 nicm 671:
1.175 nicm 672: screen_write_start(&ctx, NULL, &c->status.status);
1.184 nicm 673: screen_write_cursormove(&ctx, 0, 0, 0);
1.170 nicm 674: for (offset = 0; offset < lines * c->tty.sx; offset++)
675: screen_write_putc(&ctx, &gc, ' ');
1.184 nicm 676: screen_write_cursormove(&ctx, 0, lines - 1, 0);
1.139 nicm 677: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 678: screen_write_stop(&ctx);
679:
1.175 nicm 680: if (grid_compare(c->status.status.grid, old_status.grid) == 0) {
1.1 nicm 681: screen_free(&old_status);
682: return (0);
683: }
684: screen_free(&old_status);
685: return (1);
686: }
687:
1.46 nicm 688: /* Enable status line prompt. */
1.1 nicm 689: void
1.76 nicm 690: status_prompt_set(struct client *c, const char *msg, const char *input,
1.166 nicm 691: prompt_input_cb inputcb, prompt_free_cb freecb, void *data, int flags)
1.1 nicm 692: {
1.122 nicm 693: struct format_tree *ft;
1.165 nicm 694: char *tmp, *cp;
1.122 nicm 695:
1.164 nicm 696: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 697: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 698:
1.168 nicm 699: if (input == NULL)
700: input = "";
701: if (flags & PROMPT_NOFORMAT)
702: tmp = xstrdup(input);
703: else
1.185 ! nicm 704: tmp = format_expand_time(ft, input);
1.20 nicm 705:
1.12 nicm 706: status_message_clear(c);
707: status_prompt_clear(c);
1.167 nicm 708:
1.175 nicm 709: if (c->status.old_status == NULL) {
710: c->status.old_status = xmalloc(sizeof *c->status.old_status);
711: memcpy(c->status.old_status, &c->status.status,
712: sizeof *c->status.old_status);
713: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.167 nicm 714: }
1.12 nicm 715:
1.185 ! nicm 716: c->prompt_string = format_expand_time(ft, msg);
1.1 nicm 717:
1.152 nicm 718: c->prompt_buffer = utf8_fromcstr(tmp);
719: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 720:
1.166 nicm 721: c->prompt_inputcb = inputcb;
722: c->prompt_freecb = freecb;
1.1 nicm 723: c->prompt_data = data;
724:
725: c->prompt_hindex = 0;
726:
727: c->prompt_flags = flags;
1.155 nicm 728: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 729:
1.158 nicm 730: if (~flags & PROMPT_INCREMENTAL)
731: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 732: c->flags |= CLIENT_REDRAWSTATUS;
1.165 nicm 733:
734: if ((flags & PROMPT_INCREMENTAL) && *tmp != '\0') {
735: xasprintf(&cp, "=%s", tmp);
1.166 nicm 736: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.165 nicm 737: free(cp);
738: }
1.122 nicm 739:
1.152 nicm 740: free(tmp);
1.122 nicm 741: format_free(ft);
1.1 nicm 742: }
743:
1.46 nicm 744: /* Remove status line prompt. */
1.1 nicm 745: void
746: status_prompt_clear(struct client *c)
747: {
1.55 nicm 748: if (c->prompt_string == NULL)
1.1 nicm 749: return;
750:
1.166 nicm 751: if (c->prompt_freecb != NULL && c->prompt_data != NULL)
752: c->prompt_freecb(c->prompt_data);
1.1 nicm 753:
1.94 nicm 754: free(c->prompt_string);
1.1 nicm 755: c->prompt_string = NULL;
756:
1.94 nicm 757: free(c->prompt_buffer);
1.1 nicm 758: c->prompt_buffer = NULL;
759:
1.181 nicm 760: free(c->prompt_saved);
761: c->prompt_saved = NULL;
762:
1.1 nicm 763: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 764: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 765:
1.175 nicm 766: screen_reinit(&c->status.status);
1.27 nicm 767: }
768:
1.46 nicm 769: /* Update status line prompt with a new prompt string. */
1.27 nicm 770: void
1.76 nicm 771: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 772: {
1.122 nicm 773: struct format_tree *ft;
1.152 nicm 774: char *tmp;
1.122 nicm 775:
1.164 nicm 776: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 777: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 778:
1.185 ! nicm 779: tmp = format_expand_time(ft, input);
1.122 nicm 780:
1.94 nicm 781: free(c->prompt_string);
1.185 ! nicm 782: c->prompt_string = format_expand_time(ft, msg);
1.27 nicm 783:
1.94 nicm 784: free(c->prompt_buffer);
1.152 nicm 785: c->prompt_buffer = utf8_fromcstr(tmp);
786: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 787:
788: c->prompt_hindex = 0;
789:
1.177 nicm 790: c->flags |= CLIENT_REDRAWSTATUS;
1.122 nicm 791:
1.152 nicm 792: free(tmp);
1.122 nicm 793: format_free(ft);
1.1 nicm 794: }
795:
796: /* Draw client prompt on status line of present else on last line. */
797: int
798: status_prompt_redraw(struct client *c)
799: {
1.152 nicm 800: struct screen_write_ctx ctx;
801: struct session *s = c->session;
802: struct screen old_status;
803: u_int i, offset, left, start, pcursor, pwidth, width;
1.169 nicm 804: u_int lines;
1.152 nicm 805: struct grid_cell gc, cursorgc;
1.1 nicm 806:
807: if (c->tty.sx == 0 || c->tty.sy == 0)
808: return (0);
1.175 nicm 809: memcpy(&old_status, &c->status.status, sizeof old_status);
1.169 nicm 810:
1.182 nicm 811: lines = status_line_size(c);
1.173 nicm 812: if (lines <= 1) {
813: lines = 1;
1.175 nicm 814: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.173 nicm 815: } else
1.175 nicm 816: screen_init(&c->status.status, c->tty.sx, lines, 0);
1.1 nicm 817:
1.155 nicm 818: if (c->prompt_mode == PROMPT_COMMAND)
1.137 nicm 819: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 820: else
1.137 nicm 821: style_apply(&gc, s->options, "message-style");
1.1 nicm 822:
1.152 nicm 823: memcpy(&cursorgc, &gc, sizeof cursorgc);
824: cursorgc.attr ^= GRID_ATTR_REVERSE;
825:
826: start = screen_write_strlen("%s", c->prompt_string);
827: if (start > c->tty.sx)
828: start = c->tty.sx;
829:
1.175 nicm 830: screen_write_start(&ctx, NULL, &c->status.status);
1.184 nicm 831: screen_write_cursormove(&ctx, 0, 0, 0);
1.170 nicm 832: for (offset = 0; offset < lines * c->tty.sx; offset++)
833: screen_write_putc(&ctx, &gc, ' ');
1.184 nicm 834: screen_write_cursormove(&ctx, 0, 0, 0);
1.152 nicm 835: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
1.184 nicm 836: screen_write_cursormove(&ctx, start, 0, 0);
1.1 nicm 837:
1.152 nicm 838: left = c->tty.sx - start;
839: if (left == 0)
840: goto finished;
841:
842: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
843: pwidth = utf8_strwidth(c->prompt_buffer, -1);
844: if (pcursor >= left) {
845: /*
846: * The cursor would be outside the screen so start drawing
847: * with it on the right.
848: */
849: offset = (pcursor - left) + 1;
850: pwidth = left;
851: } else
852: offset = 0;
853: if (pwidth > left)
854: pwidth = left;
855:
856: width = 0;
857: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
858: if (width < offset) {
859: width += c->prompt_buffer[i].width;
860: continue;
1.1 nicm 861: }
1.152 nicm 862: if (width >= offset + pwidth)
863: break;
864: width += c->prompt_buffer[i].width;
865: if (width > offset + pwidth)
866: break;
1.1 nicm 867:
1.152 nicm 868: if (i != c->prompt_index) {
869: utf8_copy(&gc.data, &c->prompt_buffer[i]);
870: screen_write_cell(&ctx, &gc);
871: } else {
872: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
873: screen_write_cell(&ctx, &cursorgc);
874: }
1.1 nicm 875: }
1.175 nicm 876: if (c->status.status.cx < screen_size_x(&c->status.status) &&
877: c->prompt_index >= i)
1.152 nicm 878: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 879:
1.152 nicm 880: finished:
1.1 nicm 881: screen_write_stop(&ctx);
1.51 nicm 882:
1.175 nicm 883: if (grid_compare(c->status.status.grid, old_status.grid) == 0) {
1.1 nicm 884: screen_free(&old_status);
885: return (0);
886: }
887: screen_free(&old_status);
888: return (1);
889: }
890:
1.152 nicm 891: /* Is this a separator? */
892: static int
893: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
894: {
895: if (ud->size != 1 || ud->width != 1)
896: return (0);
897: return (strchr(ws, *ud->data) != NULL);
898: }
899:
900: /* Is this a space? */
901: static int
902: status_prompt_space(const struct utf8_data *ud)
903: {
904: if (ud->size != 1 || ud->width != 1)
905: return (0);
906: return (*ud->data == ' ');
907: }
908:
1.155 nicm 909: /*
910: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
911: * as an emacs key; return 2 to append to the buffer.
912: */
913: static int
914: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
915: {
916: if (c->prompt_mode == PROMPT_ENTRY) {
917: switch (key) {
918: case '\003': /* C-c */
919: case '\010': /* C-h */
920: case '\011': /* Tab */
921: case '\025': /* C-u */
922: case '\027': /* C-w */
923: case '\n':
924: case '\r':
925: case KEYC_BSPACE:
926: case KEYC_DC:
927: case KEYC_DOWN:
928: case KEYC_END:
929: case KEYC_HOME:
930: case KEYC_LEFT:
931: case KEYC_RIGHT:
932: case KEYC_UP:
933: *new_key = key;
934: return (1);
935: case '\033': /* Escape */
936: c->prompt_mode = PROMPT_COMMAND;
1.177 nicm 937: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 938: return (0);
939: }
940: *new_key = key;
941: return (2);
942: }
943:
944: switch (key) {
945: case 'A':
946: case 'I':
947: case 'C':
948: case 's':
949: case 'a':
950: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 951: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 952: break; /* switch mode and... */
953: case 'S':
954: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 955: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 956: *new_key = '\025'; /* C-u */
957: return (1);
958: case 'i':
959: case '\033': /* Escape */
960: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 961: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 962: return (0);
963: }
964:
965: switch (key) {
966: case 'A':
967: case '$':
968: *new_key = KEYC_END;
969: return (1);
970: case 'I':
971: case '0':
972: case '^':
973: *new_key = KEYC_HOME;
974: return (1);
975: case 'C':
976: case 'D':
977: *new_key = '\013'; /* C-k */
978: return (1);
979: case KEYC_BSPACE:
980: case 'X':
981: *new_key = KEYC_BSPACE;
982: return (1);
983: case 'b':
984: case 'B':
985: *new_key = 'b'|KEYC_ESCAPE;
986: return (1);
987: case 'd':
988: *new_key = '\025';
989: return (1);
990: case 'e':
991: case 'E':
992: case 'w':
993: case 'W':
994: *new_key = 'f'|KEYC_ESCAPE;
995: return (1);
996: case 'p':
997: *new_key = '\031'; /* C-y */
998: return (1);
999: case 's':
1000: case KEYC_DC:
1001: case 'x':
1002: *new_key = KEYC_DC;
1003: return (1);
1004: case KEYC_DOWN:
1005: case 'j':
1006: *new_key = KEYC_DOWN;
1007: return (1);
1008: case KEYC_LEFT:
1009: case 'h':
1010: *new_key = KEYC_LEFT;
1011: return (1);
1012: case 'a':
1013: case KEYC_RIGHT:
1014: case 'l':
1015: *new_key = KEYC_RIGHT;
1016: return (1);
1017: case KEYC_UP:
1018: case 'k':
1019: *new_key = KEYC_UP;
1020: return (1);
1021: case '\010' /* C-h */:
1022: case '\003' /* C-c */:
1023: case '\n':
1024: case '\r':
1025: return (1);
1026: }
1027: return (0);
1028: }
1029:
1.1 nicm 1030: /* Handle keys in prompt. */
1.154 nicm 1031: int
1.138 nicm 1032: status_prompt_key(struct client *c, key_code key)
1.1 nicm 1033: {
1.152 nicm 1034: struct options *oo = c->session->options;
1.1 nicm 1035: struct paste_buffer *pb;
1.158 nicm 1036: char *s, *cp, word[64], prefix = '=';
1.152 nicm 1037: const char *histstr, *bufdata, *ws = NULL;
1.53 nicm 1038: u_char ch;
1.152 nicm 1039: size_t size, n, off, idx, bufsize, used;
1040: struct utf8_data tmp, *first, *last, *ud;
1.155 nicm 1041: int keys;
1.1 nicm 1042:
1.152 nicm 1043: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 1044:
1045: if (c->prompt_flags & PROMPT_NUMERIC) {
1046: if (key >= '0' && key <= '9')
1047: goto append_key;
1048: s = utf8_tocstr(c->prompt_buffer);
1.166 nicm 1049: c->prompt_inputcb(c, c->prompt_data, s, 1);
1.154 nicm 1050: status_prompt_clear(c);
1051: free(s);
1052: return (1);
1053: }
1.180 nicm 1054: key &= ~KEYC_XTERM;
1.154 nicm 1055:
1.155 nicm 1056: keys = options_get_number(c->session->options, "status-keys");
1057: if (keys == MODEKEY_VI) {
1058: switch (status_prompt_translate_key(c, key, &key)) {
1059: case 1:
1060: goto process_key;
1061: case 2:
1062: goto append_key;
1063: default:
1064: return (0);
1065: }
1066: }
1067:
1068: process_key:
1069: switch (key) {
1070: case KEYC_LEFT:
1071: case '\002': /* C-b */
1.1 nicm 1072: if (c->prompt_index > 0) {
1073: c->prompt_index--;
1.158 nicm 1074: break;
1.1 nicm 1075: }
1076: break;
1.155 nicm 1077: case KEYC_RIGHT:
1078: case '\006': /* C-f */
1.1 nicm 1079: if (c->prompt_index < size) {
1080: c->prompt_index++;
1.158 nicm 1081: break;
1.1 nicm 1082: }
1083: break;
1.155 nicm 1084: case KEYC_HOME:
1085: case '\001': /* C-a */
1.1 nicm 1086: if (c->prompt_index != 0) {
1087: c->prompt_index = 0;
1.158 nicm 1088: break;
1.1 nicm 1089: }
1090: break;
1.155 nicm 1091: case KEYC_END:
1092: case '\005': /* C-e */
1.1 nicm 1093: if (c->prompt_index != size) {
1094: c->prompt_index = size;
1.158 nicm 1095: break;
1.1 nicm 1096: }
1097: break;
1.155 nicm 1098: case '\011': /* Tab */
1.152 nicm 1099: if (c->prompt_buffer[0].size == 0)
1.1 nicm 1100: break;
1101:
1102: idx = c->prompt_index;
1103: if (idx != 0)
1104: idx--;
1105:
1106: /* Find the word we are in. */
1.152 nicm 1107: first = &c->prompt_buffer[idx];
1108: while (first > c->prompt_buffer && !status_prompt_space(first))
1.1 nicm 1109: first--;
1.152 nicm 1110: while (first->size != 0 && status_prompt_space(first))
1.1 nicm 1111: first++;
1.152 nicm 1112: last = &c->prompt_buffer[idx];
1113: while (last->size != 0 && !status_prompt_space(last))
1.1 nicm 1114: last++;
1.152 nicm 1115: while (last > c->prompt_buffer && status_prompt_space(last))
1.1 nicm 1116: last--;
1.152 nicm 1117: if (last->size != 0)
1.1 nicm 1118: last++;
1.152 nicm 1119: if (last <= first)
1120: break;
1121:
1122: used = 0;
1123: for (ud = first; ud < last; ud++) {
1124: if (used + ud->size >= sizeof word)
1125: break;
1126: memcpy(word + used, ud->data, ud->size);
1127: used += ud->size;
1128: }
1129: if (ud != last)
1.1 nicm 1130: break;
1.152 nicm 1131: word[used] = '\0';
1.1 nicm 1132:
1133: /* And try to complete it. */
1.152 nicm 1134: if ((s = status_prompt_complete(c->session, word)) == NULL)
1.1 nicm 1135: break;
1136:
1137: /* Trim out word. */
1138: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1.152 nicm 1139: memmove(first, last, n * sizeof *c->prompt_buffer);
1.1 nicm 1140: size -= last - first;
1141:
1142: /* Insert the new word. */
1.55 nicm 1143: size += strlen(s);
1.1 nicm 1144: off = first - c->prompt_buffer;
1.152 nicm 1145: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
1146: sizeof *c->prompt_buffer);
1.1 nicm 1147: first = c->prompt_buffer + off;
1.152 nicm 1148: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
1149: for (idx = 0; idx < strlen(s); idx++)
1150: utf8_set(&first[idx], s[idx]);
1.1 nicm 1151:
1152: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1153: free(s);
1.1 nicm 1154:
1.158 nicm 1155: goto changed;
1.155 nicm 1156: case KEYC_BSPACE:
1157: case '\010': /* C-h */
1.1 nicm 1158: if (c->prompt_index != 0) {
1159: if (c->prompt_index == size)
1.152 nicm 1160: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1161: else {
1162: memmove(c->prompt_buffer + c->prompt_index - 1,
1163: c->prompt_buffer + c->prompt_index,
1.152 nicm 1164: (size + 1 - c->prompt_index) *
1165: sizeof *c->prompt_buffer);
1.1 nicm 1166: c->prompt_index--;
1167: }
1.158 nicm 1168: goto changed;
1.1 nicm 1169: }
1170: break;
1.155 nicm 1171: case KEYC_DC:
1172: case '\004': /* C-d */
1.1 nicm 1173: if (c->prompt_index != size) {
1174: memmove(c->prompt_buffer + c->prompt_index,
1175: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1176: (size + 1 - c->prompt_index) *
1177: sizeof *c->prompt_buffer);
1.158 nicm 1178: goto changed;
1.18 nicm 1179: }
1.26 nicm 1180: break;
1.155 nicm 1181: case '\025': /* C-u */
1.152 nicm 1182: c->prompt_buffer[0].size = 0;
1.26 nicm 1183: c->prompt_index = 0;
1.158 nicm 1184: goto changed;
1.155 nicm 1185: case '\013': /* C-k */
1.18 nicm 1186: if (c->prompt_index < size) {
1.152 nicm 1187: c->prompt_buffer[c->prompt_index].size = 0;
1.158 nicm 1188: goto changed;
1.1 nicm 1189: }
1190: break;
1.155 nicm 1191: case '\027': /* C-w */
1.152 nicm 1192: ws = options_get_string(oo, "word-separators");
1.81 nicm 1193: idx = c->prompt_index;
1194:
1195: /* Find a non-separator. */
1196: while (idx != 0) {
1197: idx--;
1.152 nicm 1198: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1199: break;
1200: }
1201:
1202: /* Find the separator at the beginning of the word. */
1203: while (idx != 0) {
1204: idx--;
1.152 nicm 1205: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1206: /* Go back to the word. */
1207: idx++;
1208: break;
1209: }
1210: }
1211:
1.181 nicm 1212: free(c->prompt_saved);
1213: c->prompt_saved = xcalloc(sizeof *c->prompt_buffer,
1214: (c->prompt_index - idx) + 1);
1215: memcpy(c->prompt_saved, c->prompt_buffer + idx,
1216: (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1217:
1.81 nicm 1218: memmove(c->prompt_buffer + idx,
1219: c->prompt_buffer + c->prompt_index,
1.152 nicm 1220: (size + 1 - c->prompt_index) *
1221: sizeof *c->prompt_buffer);
1.81 nicm 1222: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1223: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1224: c->prompt_index = idx;
1.152 nicm 1225:
1.158 nicm 1226: goto changed;
1.155 nicm 1227: case 'f'|KEYC_ESCAPE:
1.180 nicm 1228: case KEYC_RIGHT|KEYC_CTRL:
1.155 nicm 1229: ws = options_get_string(oo, "word-separators");
1.81 nicm 1230:
1231: /* Find a word. */
1232: while (c->prompt_index != size) {
1.152 nicm 1233: idx = ++c->prompt_index;
1234: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1235: break;
1236: }
1237:
1238: /* Find the separator at the end of the word. */
1239: while (c->prompt_index != size) {
1.152 nicm 1240: idx = ++c->prompt_index;
1241: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1242: break;
1243: }
1.106 nicm 1244:
1245: /* Back up to the end-of-word like vi. */
1246: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1247: c->prompt_index != 0)
1248: c->prompt_index--;
1.81 nicm 1249:
1.158 nicm 1250: goto changed;
1.155 nicm 1251: case 'b'|KEYC_ESCAPE:
1.180 nicm 1252: case KEYC_LEFT|KEYC_CTRL:
1.155 nicm 1253: ws = options_get_string(oo, "word-separators");
1.81 nicm 1254:
1255: /* Find a non-separator. */
1256: while (c->prompt_index != 0) {
1.152 nicm 1257: idx = --c->prompt_index;
1258: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1259: break;
1260: }
1261:
1262: /* Find the separator at the beginning of the word. */
1263: while (c->prompt_index != 0) {
1.152 nicm 1264: idx = --c->prompt_index;
1265: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1266: /* Go back to the word. */
1267: c->prompt_index++;
1268: break;
1269: }
1270: }
1.158 nicm 1271: goto changed;
1.155 nicm 1272: case KEYC_UP:
1273: case '\020': /* C-p */
1.66 nicm 1274: histstr = status_prompt_up_history(&c->prompt_hindex);
1275: if (histstr == NULL)
1.1 nicm 1276: break;
1.94 nicm 1277: free(c->prompt_buffer);
1.152 nicm 1278: c->prompt_buffer = utf8_fromcstr(histstr);
1279: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1280: goto changed;
1.155 nicm 1281: case KEYC_DOWN:
1282: case '\016': /* C-n */
1.66 nicm 1283: histstr = status_prompt_down_history(&c->prompt_hindex);
1284: if (histstr == NULL)
1.65 nicm 1285: break;
1.94 nicm 1286: free(c->prompt_buffer);
1.152 nicm 1287: c->prompt_buffer = utf8_fromcstr(histstr);
1288: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1289: goto changed;
1.155 nicm 1290: case '\031': /* C-y */
1.181 nicm 1291: if (c->prompt_saved != NULL) {
1292: ud = c->prompt_saved;
1293: n = utf8_strlen(c->prompt_saved);
1294: } else {
1295: if ((pb = paste_get_top(NULL)) == NULL)
1.32 nicm 1296: break;
1.181 nicm 1297: bufdata = paste_buffer_data(pb, &bufsize);
1298: for (n = 0; n < bufsize; n++) {
1299: ch = (u_char)bufdata[n];
1300: if (ch < 32 || ch >= 127)
1301: break;
1302: }
1303: ud = xreallocarray(NULL, n, sizeof *ud);
1304: for (idx = 0; idx < n; idx++)
1305: utf8_set(&ud[idx], bufdata[idx]);
1.32 nicm 1306: }
1.1 nicm 1307:
1.152 nicm 1308: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
1309: sizeof *c->prompt_buffer);
1.1 nicm 1310: if (c->prompt_index == size) {
1.181 nicm 1311: memcpy(c->prompt_buffer + c->prompt_index, ud,
1312: n * sizeof *c->prompt_buffer);
1.1 nicm 1313: c->prompt_index += n;
1.152 nicm 1314: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1315: } else {
1316: memmove(c->prompt_buffer + c->prompt_index + n,
1317: c->prompt_buffer + c->prompt_index,
1.152 nicm 1318: (size + 1 - c->prompt_index) *
1319: sizeof *c->prompt_buffer);
1.181 nicm 1320: memcpy(c->prompt_buffer + c->prompt_index, ud,
1321: n * sizeof *c->prompt_buffer);
1.1 nicm 1322: c->prompt_index += n;
1323: }
1.181 nicm 1324:
1325: if (ud != c->prompt_saved)
1326: free(ud);
1.158 nicm 1327: goto changed;
1.155 nicm 1328: case '\024': /* C-t */
1.30 nicm 1329: idx = c->prompt_index;
1330: if (idx < size)
1331: idx++;
1332: if (idx >= 2) {
1.152 nicm 1333: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1334: utf8_copy(&c->prompt_buffer[idx - 2],
1335: &c->prompt_buffer[idx - 1]);
1336: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1337: c->prompt_index = idx;
1.158 nicm 1338: goto changed;
1.30 nicm 1339: }
1.1 nicm 1340: break;
1.155 nicm 1341: case '\r':
1342: case '\n':
1.152 nicm 1343: s = utf8_tocstr(c->prompt_buffer);
1344: if (*s != '\0')
1345: status_prompt_add_history(s);
1.166 nicm 1346: if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.25 nicm 1347: status_prompt_clear(c);
1.152 nicm 1348: free(s);
1.25 nicm 1349: break;
1.155 nicm 1350: case '\033': /* Escape */
1351: case '\003': /* C-c */
1.174 nicm 1352: case '\007': /* C-g */
1.166 nicm 1353: if (c->prompt_inputcb(c, c->prompt_data, NULL, 1) == 0)
1.1 nicm 1354: status_prompt_clear(c);
1355: break;
1.158 nicm 1356: case '\022': /* C-r */
1357: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1358: prefix = '-';
1359: goto changed;
1360: }
1361: break;
1362: case '\023': /* C-s */
1363: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1364: prefix = '+';
1365: goto changed;
1366: }
1367: break;
1368: default:
1369: goto append_key;
1.154 nicm 1370: }
1.152 nicm 1371:
1.177 nicm 1372: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1373: return (0);
1374:
1.154 nicm 1375: append_key:
1376: if (key <= 0x1f || key >= KEYC_BASE)
1377: return (0);
1378: if (utf8_split(key, &tmp) != UTF8_DONE)
1379: return (0);
1.1 nicm 1380:
1.154 nicm 1381: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1382: sizeof *c->prompt_buffer);
1.1 nicm 1383:
1.154 nicm 1384: if (c->prompt_index == size) {
1385: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1386: c->prompt_index++;
1387: c->prompt_buffer[c->prompt_index].size = 0;
1388: } else {
1389: memmove(c->prompt_buffer + c->prompt_index + 1,
1390: c->prompt_buffer + c->prompt_index,
1391: (size + 1 - c->prompt_index) *
1392: sizeof *c->prompt_buffer);
1393: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1394: c->prompt_index++;
1395: }
1.1 nicm 1396:
1.154 nicm 1397: if (c->prompt_flags & PROMPT_SINGLE) {
1398: s = utf8_tocstr(c->prompt_buffer);
1399: if (strlen(s) != 1)
1400: status_prompt_clear(c);
1.166 nicm 1401: else if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.154 nicm 1402: status_prompt_clear(c);
1403: free(s);
1.1 nicm 1404: }
1.154 nicm 1405:
1.158 nicm 1406: changed:
1.177 nicm 1407: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1408: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1409: s = utf8_tocstr(c->prompt_buffer);
1410: xasprintf(&cp, "%c%s", prefix, s);
1.166 nicm 1411: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.158 nicm 1412: free(cp);
1413: free(s);
1414: }
1.154 nicm 1415: return (0);
1.1 nicm 1416: }
1417:
1.65 nicm 1418: /* Get previous line from the history. */
1.151 nicm 1419: static const char *
1.65 nicm 1420: status_prompt_up_history(u_int *idx)
1421: {
1422: /*
1.128 nicm 1423: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1424: * empty.
1.65 nicm 1425: */
1426:
1.128 nicm 1427: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1428: return (NULL);
1429: (*idx)++;
1.128 nicm 1430: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1431: }
1432:
1433: /* Get next line from the history. */
1.151 nicm 1434: static const char *
1.65 nicm 1435: status_prompt_down_history(u_int *idx)
1436: {
1.128 nicm 1437: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1438: return ("");
1439: (*idx)--;
1440: if (*idx == 0)
1441: return ("");
1.128 nicm 1442: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1443: }
1444:
1.1 nicm 1445: /* Add line to the history. */
1.151 nicm 1446: static void
1.65 nicm 1447: status_prompt_add_history(const char *line)
1.1 nicm 1448: {
1.128 nicm 1449: size_t size;
1.65 nicm 1450:
1.128 nicm 1451: if (status_prompt_hsize > 0 &&
1452: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1453: return;
1454:
1.128 nicm 1455: if (status_prompt_hsize == PROMPT_HISTORY) {
1456: free(status_prompt_hlist[0]);
1.1 nicm 1457:
1.128 nicm 1458: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1459: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1460:
1.128 nicm 1461: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1462: return;
1463: }
1.1 nicm 1464:
1.128 nicm 1465: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1466: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1467: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1468: }
1469:
1470: /* Build completion list. */
1.183 nicm 1471: char **
1.128 nicm 1472: status_prompt_complete_list(u_int *size, const char *s)
1473: {
1.183 nicm 1474: char **list = NULL;
1475: const char **layout, *value, *cp;
1.128 nicm 1476: const struct cmd_entry **cmdent;
1477: const struct options_table_entry *oe;
1.183 nicm 1478: u_int items, idx;
1479: size_t slen = strlen(s), valuelen;
1480: struct options_entry *o;
1.128 nicm 1481: const char *layouts[] = {
1482: "even-horizontal", "even-vertical", "main-horizontal",
1483: "main-vertical", "tiled", NULL
1484: };
1.1 nicm 1485:
1.128 nicm 1486: *size = 0;
1.1 nicm 1487: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.183 nicm 1488: if (strncmp((*cmdent)->name, s, slen) == 0) {
1.128 nicm 1489: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1490: list[(*size)++] = xstrdup((*cmdent)->name);
1.128 nicm 1491: }
1.56 nicm 1492: }
1.142 nicm 1493: for (oe = options_table; oe->name != NULL; oe++) {
1.183 nicm 1494: if (strncmp(oe->name, s, slen) == 0) {
1.128 nicm 1495: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1496: list[(*size)++] = xstrdup(oe->name);
1.128 nicm 1497: }
1498: }
1499: for (layout = layouts; *layout != NULL; layout++) {
1.183 nicm 1500: if (strncmp(*layout, s, slen) == 0) {
1.128 nicm 1501: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 nicm 1502: list[(*size)++] = xstrdup(*layout);
1.128 nicm 1503: }
1504: }
1.183 nicm 1505: o = options_get_only(global_options, "command-alias");
1506: if (o != NULL && options_array_size(o, &items) != -1) {
1507: for (idx = 0; idx < items; idx++) {
1508: value = options_array_get(o, idx);
1509: if (value == NULL || (cp = strchr(value, '=')) == NULL)
1510: continue;
1511: valuelen = cp - value;
1512: if (slen > valuelen || strncmp(value, s, slen) != 0)
1513: continue;
1514: list = xreallocarray(list, (*size) + 1, sizeof *list);
1515: list[(*size)++] = xstrndup(value, valuelen);
1516: }
1517: }
1518: for (idx = 0; idx < (*size); idx++)
1519: log_debug("complete %u: %s", idx, list[idx]);
1.128 nicm 1520: return (list);
1521: }
1522:
1523: /* Find longest prefix. */
1.151 nicm 1524: static char *
1.183 nicm 1525: status_prompt_complete_prefix(char **list, u_int size)
1.128 nicm 1526: {
1527: char *out;
1528: u_int i;
1529: size_t j;
1530:
1531: out = xstrdup(list[0]);
1532: for (i = 1; i < size; i++) {
1533: j = strlen(list[i]);
1534: if (j > strlen(out))
1535: j = strlen(out);
1536: for (; j > 0; j--) {
1537: if (out[j - 1] != list[i][j - 1])
1538: out[j - 1] = '\0';
1539: }
1.1 nicm 1540: }
1.128 nicm 1541: return (out);
1542: }
1.1 nicm 1543:
1.128 nicm 1544: /* Complete word. */
1.151 nicm 1545: static char *
1.152 nicm 1546: status_prompt_complete(struct session *session, const char *s)
1.128 nicm 1547: {
1.183 nicm 1548: char **list = NULL;
1549: const char *colon;
1.128 nicm 1550: u_int size = 0, i;
1551: struct session *s_loop;
1552: struct winlink *wl;
1553: struct window *w;
1554: char *copy, *out, *tmp;
1555:
1556: if (*s == '\0')
1.1 nicm 1557: return (NULL);
1.128 nicm 1558: out = NULL;
1559:
1560: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1561: list = status_prompt_complete_list(&size, s);
1562: if (size == 0)
1563: out = NULL;
1564: else if (size == 1)
1565: xasprintf(&out, "%s ", list[0]);
1566: else
1567: out = status_prompt_complete_prefix(list, size);
1.183 nicm 1568: for (i = 0; i < size; i++)
1569: free(list[i]);
1.128 nicm 1570: free(list);
1571: return (out);
1572: }
1573: copy = xstrdup(s);
1574:
1575: colon = ":";
1576: if (copy[strlen(copy) - 1] == ':')
1577: copy[strlen(copy) - 1] = '\0';
1578: else
1579: colon = "";
1580: s = copy + 2;
1.1 nicm 1581:
1.128 nicm 1582: RB_FOREACH(s_loop, sessions, &sessions) {
1583: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1584: list = xreallocarray(list, size + 2, sizeof *list);
1585: list[size++] = s_loop->name;
1586: }
1587: }
1588: if (size == 1) {
1589: out = xstrdup(list[0]);
1590: if (session_find(list[0]) != NULL)
1591: colon = ":";
1592: } else if (size != 0)
1593: out = status_prompt_complete_prefix(list, size);
1594: if (out != NULL) {
1595: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1.163 nicm 1596: free(out);
1.128 nicm 1597: out = tmp;
1598: goto found;
1599: }
1600:
1601: colon = "";
1602: if (*s == ':') {
1.152 nicm 1603: RB_FOREACH(wl, winlinks, &session->windows) {
1.128 nicm 1604: xasprintf(&tmp, ":%s", wl->window->name);
1605: if (strncmp(tmp, s, strlen(s)) == 0){
1606: list = xreallocarray(list, size + 1,
1607: sizeof *list);
1608: list[size++] = tmp;
1609: continue;
1610: }
1611: free(tmp);
1.1 nicm 1612:
1.128 nicm 1613: xasprintf(&tmp, ":%d", wl->idx);
1614: if (strncmp(tmp, s, strlen(s)) == 0) {
1615: list = xreallocarray(list, size + 1,
1616: sizeof *list);
1617: list[size++] = tmp;
1618: continue;
1619: }
1620: free(tmp);
1621: }
1622: } else {
1623: RB_FOREACH(s_loop, sessions, &sessions) {
1624: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1625: w = wl->window;
1626:
1627: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1628: if (strncmp(tmp, s, strlen(s)) == 0) {
1629: list = xreallocarray(list, size + 1,
1630: sizeof *list);
1631: list[size++] = tmp;
1632: continue;
1633: }
1634: free(tmp);
1635:
1636: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1637: if (strncmp(tmp, s, strlen(s)) == 0) {
1638: list = xreallocarray(list, size + 1,
1639: sizeof *list);
1640: list[size++] = tmp;
1641: continue;
1642: }
1643: free(tmp);
1644: }
1.1 nicm 1645: }
1646: }
1.128 nicm 1647: if (size == 1) {
1648: out = xstrdup(list[0]);
1649: colon = " ";
1650: } else if (size != 0)
1651: out = status_prompt_complete_prefix(list, size);
1652: if (out != NULL) {
1653: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1654: out = tmp;
1655: }
1656:
1657: for (i = 0; i < size; i++)
1658: free((void *)list[i]);
1659:
1660: found:
1661: free(copy);
1662: free(list);
1663: return (out);
1.1 nicm 1664: }
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