Annotation of src/usr.bin/tmux/status.c, Revision 1.155
1.155 ! nicm 1: /* $OpenBSD: status.c,v 1.154 2016/10/12 13:03:27 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:
1.151 nicm 32: static char *status_redraw_get_left(struct client *, time_t,
33: struct grid_cell *, size_t *);
34: static char *status_redraw_get_right(struct client *, time_t,
35: struct grid_cell *, size_t *);
36: static char *status_print(struct client *, struct winlink *, time_t,
37: struct grid_cell *);
38: static char *status_replace(struct client *, struct winlink *, const char *,
39: time_t);
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:
48: static const char **status_prompt_complete_list(u_int *, const char *);
49: static char *status_prompt_complete_prefix(const char **, u_int);
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:
154: evtimer_del(&c->status_timer);
155:
156: if (s == NULL)
157: return;
158:
159: if (c->message_string == NULL && c->prompt_string == NULL)
160: c->flags |= CLIENT_STATUS;
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)
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:
176: if (event_initialized(&c->status_timer))
177: evtimer_del(&c->status_timer);
178: else
179: evtimer_set(&c->status_timer, status_timer_callback, c);
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:
1.87 nicm 195: /* Get screen line of status line. -1 means off. */
196: int
197: status_at_line(struct client *c)
198: {
199: struct session *s = c->session;
200:
1.137 nicm 201: if (!options_get_number(s->options, "status"))
1.87 nicm 202: return (-1);
203:
1.137 nicm 204: if (options_get_number(s->options, "status-position") == 0)
1.87 nicm 205: return (0);
206: return (c->tty.sy - 1);
1.71 nicm 207: }
208:
1.48 nicm 209: /* Retrieve options for left string. */
1.151 nicm 210: static char *
1.139 nicm 211: status_redraw_get_left(struct client *c, time_t t, struct grid_cell *gc,
212: size_t *size)
1.48 nicm 213: {
214: struct session *s = c->session;
1.120 nicm 215: const char *template;
1.48 nicm 216: char *left;
217: size_t leftlen;
218:
1.137 nicm 219: style_apply_update(gc, s->options, "status-left-style");
1.48 nicm 220:
1.137 nicm 221: template = options_get_string(s->options, "status-left");
1.123 nicm 222: left = status_replace(c, NULL, template, t);
1.48 nicm 223:
1.137 nicm 224: *size = options_get_number(s->options, "status-left-length");
1.139 nicm 225: leftlen = screen_write_cstrlen("%s", left);
1.48 nicm 226: if (leftlen < *size)
227: *size = leftlen;
228: return (left);
229: }
230:
231: /* Retrieve options for right string. */
1.151 nicm 232: static char *
1.139 nicm 233: status_redraw_get_right(struct client *c, time_t t, struct grid_cell *gc,
234: size_t *size)
1.48 nicm 235: {
236: struct session *s = c->session;
1.120 nicm 237: const char *template;
1.48 nicm 238: char *right;
239: size_t rightlen;
240:
1.137 nicm 241: style_apply_update(gc, s->options, "status-right-style");
1.48 nicm 242:
1.137 nicm 243: template = options_get_string(s->options, "status-right");
1.123 nicm 244: right = status_replace(c, NULL, template, t);
1.48 nicm 245:
1.137 nicm 246: *size = options_get_number(s->options, "status-right-length");
1.139 nicm 247: rightlen = screen_write_cstrlen("%s", right);
1.48 nicm 248: if (rightlen < *size)
249: *size = rightlen;
250: return (right);
251: }
252:
1.125 nicm 253: /* Get window at window list position. */
254: struct window *
255: status_get_window_at(struct client *c, u_int x)
1.73 nicm 256: {
257: struct session *s = c->session;
258: struct winlink *wl;
1.115 nicm 259: struct options *oo;
1.149 nicm 260: const char *sep;
261: size_t seplen;
1.73 nicm 262:
1.88 nicm 263: x += c->wlmouse;
1.73 nicm 264: RB_FOREACH(wl, winlinks, &s->windows) {
1.137 nicm 265: oo = wl->window->options;
1.149 nicm 266:
267: sep = options_get_string(oo, "window-status-separator");
268: seplen = screen_write_cstrlen("%s", sep);
1.115 nicm 269:
1.125 nicm 270: if (x < wl->status_width)
271: return (wl->window);
1.149 nicm 272: x -= wl->status_width + seplen;
1.73 nicm 273: }
1.125 nicm 274: return (NULL);
1.73 nicm 275: }
276:
1.1 nicm 277: /* Draw status for client on the last lines of given context. */
278: int
279: status_redraw(struct client *c)
280: {
1.48 nicm 281: struct screen_write_ctx ctx;
282: struct session *s = c->session;
283: struct winlink *wl;
284: struct screen old_status, window_list;
285: struct grid_cell stdgc, lgc, rgc, gc;
1.91 nicm 286: struct options *oo;
1.48 nicm 287: time_t t;
1.91 nicm 288: char *left, *right, *sep;
1.48 nicm 289: u_int offset, needed;
290: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
1.91 nicm 291: size_t llen, rlen, seplen;
1.139 nicm 292: int larrow, rarrow;
1.1 nicm 293:
1.49 nicm 294: /* No status line? */
1.137 nicm 295: if (c->tty.sy == 0 || !options_get_number(s->options, "status"))
1.7 nicm 296: return (1);
1.48 nicm 297: left = right = NULL;
1.7 nicm 298: larrow = rarrow = 0;
1.1 nicm 299:
1.133 nicm 300: /* Store current time. */
301: t = time(NULL);
1.48 nicm 302:
303: /* Set up default colour. */
1.137 nicm 304: style_apply(&stdgc, s->options, "status-style");
1.1 nicm 305:
1.48 nicm 306: /* Create the target screen. */
307: memcpy(&old_status, &c->status, sizeof old_status);
308: screen_init(&c->status, c->tty.sx, 1, 0);
309: screen_write_start(&ctx, NULL, &c->status);
310: for (offset = 0; offset < c->tty.sx; offset++)
311: screen_write_putc(&ctx, &stdgc, ' ');
312: screen_write_stop(&ctx);
313:
314: /* If the height is one line, blank status line. */
315: if (c->tty.sy <= 1)
316: goto out;
1.1 nicm 317:
1.48 nicm 318: /* Work out left and right strings. */
319: memcpy(&lgc, &stdgc, sizeof lgc);
1.139 nicm 320: left = status_redraw_get_left(c, t, &lgc, &llen);
1.48 nicm 321: memcpy(&rgc, &stdgc, sizeof rgc);
1.139 nicm 322: right = status_redraw_get_right(c, t, &rgc, &rlen);
1.1 nicm 323:
324: /*
1.48 nicm 325: * Figure out how much space we have for the window list. If there
326: * isn't enough space, just show a blank status line.
1.1 nicm 327: */
1.55 nicm 328: needed = 0;
1.1 nicm 329: if (llen != 0)
1.118 nicm 330: needed += llen;
1.1 nicm 331: if (rlen != 0)
1.118 nicm 332: needed += rlen;
1.48 nicm 333: if (c->tty.sx == 0 || c->tty.sx <= needed)
334: goto out;
335: wlavailable = c->tty.sx - needed;
1.1 nicm 336:
1.48 nicm 337: /* Calculate the total size needed for the window list. */
338: wlstart = wloffset = wlwidth = 0;
1.1 nicm 339: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 340: free(wl->status_text);
1.48 nicm 341: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
342: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.139 nicm 343: wl->status_width = screen_write_cstrlen("%s", wl->status_text);
1.48 nicm 344:
1.1 nicm 345: if (wl == s->curw)
1.48 nicm 346: wloffset = wlwidth;
1.91 nicm 347:
1.137 nicm 348: oo = wl->window->options;
1.91 nicm 349: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 350: seplen = screen_write_cstrlen("%s", sep);
1.91 nicm 351: wlwidth += wl->status_width + seplen;
1.48 nicm 352: }
353:
354: /* Create a new screen for the window list. */
355: screen_init(&window_list, wlwidth, 1, 0);
356:
357: /* And draw the window list into it. */
358: screen_write_start(&ctx, NULL, &window_list);
359: RB_FOREACH(wl, winlinks, &s->windows) {
1.139 nicm 360: screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s",
361: wl->status_text);
1.91 nicm 362:
1.137 nicm 363: oo = wl->window->options;
1.91 nicm 364: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 365: screen_write_cnputs(&ctx, -1, &stdgc, "%s", sep);
1.1 nicm 366: }
1.48 nicm 367: screen_write_stop(&ctx);
1.1 nicm 368:
1.48 nicm 369: /* If there is enough space for the total width, skip to draw now. */
370: if (wlwidth <= wlavailable)
1.1 nicm 371: goto draw;
372:
373: /* Find size of current window text. */
1.48 nicm 374: wlsize = s->curw->status_width;
1.1 nicm 375:
376: /*
1.48 nicm 377: * If the current window is already on screen, good to draw from the
1.1 nicm 378: * start and just leave off the end.
379: */
1.48 nicm 380: if (wloffset + wlsize < wlavailable) {
381: if (wlavailable > 0) {
382: rarrow = 1;
383: wlavailable--;
384: }
385: wlwidth = wlavailable;
386: } else {
387: /*
388: * Work out how many characters we need to omit from the
389: * start. There are wlavailable characters to fill, and
390: * wloffset + wlsize must be the last. So, the start character
391: * is wloffset + wlsize - wlavailable.
392: */
393: if (wlavailable > 0) {
394: larrow = 1;
395: wlavailable--;
396: }
1.55 nicm 397:
1.48 nicm 398: wlstart = wloffset + wlsize - wlavailable;
399: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 400: rarrow = 1;
1.48 nicm 401: wlstart++;
402: wlavailable--;
1.1 nicm 403: }
1.48 nicm 404: wlwidth = wlavailable;
405: }
1.1 nicm 406:
1.48 nicm 407: /* Bail if anything is now too small too. */
408: if (wlwidth == 0 || wlavailable == 0) {
409: screen_free(&window_list);
410: goto out;
1.1 nicm 411: }
412:
413: /*
1.48 nicm 414: * Now the start position is known, work out the state of the left and
415: * right arrows.
1.1 nicm 416: */
417: offset = 0;
418: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 419: if (wl->flags & WINLINK_ALERTFLAGS &&
420: larrow == 1 && offset < wlstart)
421: larrow = -1;
1.1 nicm 422:
1.48 nicm 423: offset += wl->status_width;
1.1 nicm 424:
1.63 nicm 425: if (wl->flags & WINLINK_ALERTFLAGS &&
426: rarrow == 1 && offset > wlstart + wlwidth)
427: rarrow = -1;
1.1 nicm 428: }
429:
1.48 nicm 430: draw:
1.55 nicm 431: /* Begin drawing. */
1.48 nicm 432: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 433:
1.48 nicm 434: /* Draw the left string and arrow. */
435: screen_write_cursormove(&ctx, 0, 0);
1.118 nicm 436: if (llen != 0)
1.139 nicm 437: screen_write_cnputs(&ctx, llen, &lgc, "%s", left);
1.1 nicm 438: if (larrow != 0) {
439: memcpy(&gc, &stdgc, sizeof gc);
440: if (larrow == -1)
441: gc.attr ^= GRID_ATTR_REVERSE;
442: screen_write_putc(&ctx, &gc, '<');
443: }
1.48 nicm 444:
445: /* Draw the right string and arrow. */
1.1 nicm 446: if (rarrow != 0) {
1.118 nicm 447: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
1.1 nicm 448: memcpy(&gc, &stdgc, sizeof gc);
449: if (rarrow == -1)
450: gc.attr ^= GRID_ATTR_REVERSE;
451: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 452: } else
1.118 nicm 453: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
454: if (rlen != 0)
1.139 nicm 455: screen_write_cnputs(&ctx, rlen, &rgc, "%s", right);
1.1 nicm 456:
1.48 nicm 457: /* Figure out the offset for the window list. */
1.58 nicm 458: if (llen != 0)
1.118 nicm 459: wloffset = llen;
1.58 nicm 460: else
461: wloffset = 0;
1.48 nicm 462: if (wlwidth < wlavailable) {
1.137 nicm 463: switch (options_get_number(s->options, "status-justify")) {
1.119 sthen 464: case 1: /* centred */
1.58 nicm 465: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 466: break;
467: case 2: /* right */
1.58 nicm 468: wloffset += (wlavailable - wlwidth);
1.48 nicm 469: break;
470: }
471: }
472: if (larrow != 0)
473: wloffset++;
474:
475: /* Copy the window list. */
1.88 nicm 476: c->wlmouse = -wloffset + wlstart;
1.48 nicm 477: screen_write_cursormove(&ctx, wloffset, 0);
478: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 479: screen_free(&window_list);
1.1 nicm 480:
1.48 nicm 481: screen_write_stop(&ctx);
1.1 nicm 482:
483: out:
1.94 nicm 484: free(left);
485: free(right);
1.1 nicm 486:
487: if (grid_compare(c->status.grid, old_status.grid) == 0) {
488: screen_free(&old_status);
489: return (0);
490: }
491: screen_free(&old_status);
492: return (1);
493: }
494:
1.46 nicm 495: /* Replace special sequences in fmt. */
1.151 nicm 496: static char *
1.123 nicm 497: status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t)
1.46 nicm 498: {
1.96 nicm 499: struct format_tree *ft;
1.129 nicm 500: char *expanded;
1.47 nicm 501:
1.93 nicm 502: if (fmt == NULL)
503: return (xstrdup(""));
504:
1.135 nicm 505: if (c->flags & CLIENT_STATUSFORCE)
1.145 nicm 506: ft = format_create(NULL, FORMAT_STATUS|FORMAT_FORCE);
1.135 nicm 507: else
1.145 nicm 508: ft = format_create(NULL, FORMAT_STATUS);
1.129 nicm 509: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 510:
1.129 nicm 511: expanded = format_expand_time(ft, fmt, t);
1.46 nicm 512:
1.99 nicm 513: format_free(ft);
514: return (expanded);
1.1 nicm 515: }
516:
1.46 nicm 517: /* Return winlink status line entry and adjust gc as necessary. */
1.151 nicm 518: static char *
1.120 nicm 519: status_print(struct client *c, struct winlink *wl, time_t t,
520: struct grid_cell *gc)
1.1 nicm 521: {
1.137 nicm 522: struct options *oo = wl->window->options;
1.47 nicm 523: struct session *s = c->session;
524: const char *fmt;
525: char *text;
1.1 nicm 526:
1.108 nicm 527: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 528: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 529: if (wl == s->curw) {
1.108 nicm 530: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 531: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 532: }
1.108 nicm 533: if (wl == TAILQ_FIRST(&s->lastw))
534: style_apply_update(gc, oo, "window-status-last-style");
535:
536: if (wl->flags & WINLINK_BELL)
537: style_apply_update(gc, oo, "window-status-bell-style");
538: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
539: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 540:
1.123 nicm 541: text = status_replace(c, wl, fmt, t);
1.1 nicm 542: return (text);
543: }
544:
1.46 nicm 545: /* Set a status line message. */
1.117 nicm 546: void
1.10 nicm 547: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 548: {
1.44 nicm 549: struct timeval tv;
1.127 nicm 550: struct message_entry *msg, *msg1;
1.44 nicm 551: va_list ap;
552: int delay;
1.147 nicm 553: u_int limit;
1.127 nicm 554:
1.137 nicm 555: limit = options_get_number(global_options, "message-limit");
1.1 nicm 556:
1.12 nicm 557: status_prompt_clear(c);
558: status_message_clear(c);
559:
1.28 nicm 560: va_start(ap, fmt);
561: xvasprintf(&c->message_string, fmt, ap);
562: va_end(ap);
563:
1.127 nicm 564: msg = xcalloc(1, sizeof *msg);
1.44 nicm 565: msg->msg_time = time(NULL);
1.127 nicm 566: msg->msg_num = c->message_next++;
1.44 nicm 567: msg->msg = xstrdup(c->message_string);
1.127 nicm 568: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
1.44 nicm 569:
1.127 nicm 570: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1.147 nicm 571: if (msg->msg_num + limit >= c->message_next)
572: break;
1.127 nicm 573: free(msg->msg);
574: TAILQ_REMOVE(&c->message_log, msg, entry);
575: free(msg);
1.44 nicm 576: }
577:
1.137 nicm 578: delay = options_get_number(c->session->options, "display-time");
1.143 tim 579: if (delay > 0) {
580: tv.tv_sec = delay / 1000;
581: tv.tv_usec = (delay % 1000) * 1000L;
582:
583: if (event_initialized(&c->message_timer))
584: evtimer_del(&c->message_timer);
585: evtimer_set(&c->message_timer, status_message_callback, c);
586: evtimer_add(&c->message_timer, &tv);
587: }
1.1 nicm 588:
589: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
590: c->flags |= CLIENT_STATUS;
591: }
592:
1.46 nicm 593: /* Clear status line message. */
1.1 nicm 594: void
595: status_message_clear(struct client *c)
596: {
597: if (c->message_string == NULL)
598: return;
599:
1.94 nicm 600: free(c->message_string);
1.1 nicm 601: c->message_string = NULL;
602:
603: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 604: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 605:
606: screen_reinit(&c->status);
1.42 nicm 607: }
608:
1.46 nicm 609: /* Clear status line message after timer expires. */
1.151 nicm 610: static void
1.141 nicm 611: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 612: {
613: struct client *c = data;
614:
615: status_message_clear(c);
1.1 nicm 616: }
617:
618: /* Draw client message on status line of present else on last line. */
619: int
620: status_message_redraw(struct client *c)
621: {
622: struct screen_write_ctx ctx;
623: struct session *s = c->session;
624: struct screen old_status;
625: size_t len;
626: struct grid_cell gc;
627:
628: if (c->tty.sx == 0 || c->tty.sy == 0)
629: return (0);
630: memcpy(&old_status, &c->status, sizeof old_status);
631: screen_init(&c->status, c->tty.sx, 1, 0);
632:
1.139 nicm 633: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 634: if (len > c->tty.sx)
635: len = c->tty.sx;
636:
1.137 nicm 637: style_apply(&gc, s->options, "message-style");
1.1 nicm 638:
639: screen_write_start(&ctx, NULL, &c->status);
640:
641: screen_write_cursormove(&ctx, 0, 0);
1.139 nicm 642: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 643: for (; len < c->tty.sx; len++)
644: screen_write_putc(&ctx, &gc, ' ');
645:
646: screen_write_stop(&ctx);
647:
648: if (grid_compare(c->status.grid, old_status.grid) == 0) {
649: screen_free(&old_status);
650: return (0);
651: }
652: screen_free(&old_status);
653: return (1);
654: }
655:
1.46 nicm 656: /* Enable status line prompt. */
1.1 nicm 657: void
1.76 nicm 658: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 659: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
660: void *data, int flags)
1.1 nicm 661: {
1.122 nicm 662: struct format_tree *ft;
663: time_t t;
1.152 nicm 664: char *tmp;
1.122 nicm 665:
1.145 nicm 666: ft = format_create(NULL, 0);
1.122 nicm 667: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 668:
1.122 nicm 669: t = time(NULL);
1.152 nicm 670: tmp = format_expand_time(ft, input, t);
1.20 nicm 671:
1.12 nicm 672: status_message_clear(c);
673: status_prompt_clear(c);
674:
1.124 nicm 675: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 676:
1.152 nicm 677: c->prompt_buffer = utf8_fromcstr(tmp);
678: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 679:
1.12 nicm 680: c->prompt_callbackfn = callbackfn;
681: c->prompt_freefn = freefn;
1.1 nicm 682: c->prompt_data = data;
683:
684: c->prompt_hindex = 0;
685:
686: c->prompt_flags = flags;
1.155 ! nicm 687: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 688:
689: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
690: c->flags |= CLIENT_STATUS;
1.122 nicm 691:
1.152 nicm 692: free(tmp);
1.122 nicm 693: format_free(ft);
1.1 nicm 694: }
695:
1.46 nicm 696: /* Remove status line prompt. */
1.1 nicm 697: void
698: status_prompt_clear(struct client *c)
699: {
1.55 nicm 700: if (c->prompt_string == NULL)
1.1 nicm 701: return;
702:
1.12 nicm 703: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
704: c->prompt_freefn(c->prompt_data);
1.1 nicm 705:
1.94 nicm 706: free(c->prompt_string);
1.1 nicm 707: c->prompt_string = NULL;
708:
1.94 nicm 709: free(c->prompt_buffer);
1.1 nicm 710: c->prompt_buffer = NULL;
711:
712: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 713: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 714:
715: screen_reinit(&c->status);
1.27 nicm 716: }
717:
1.46 nicm 718: /* Update status line prompt with a new prompt string. */
1.27 nicm 719: void
1.76 nicm 720: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 721: {
1.122 nicm 722: struct format_tree *ft;
723: time_t t;
1.152 nicm 724: char *tmp;
1.122 nicm 725:
1.145 nicm 726: ft = format_create(NULL, 0);
1.122 nicm 727: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 728:
1.122 nicm 729: t = time(NULL);
1.152 nicm 730: tmp = format_expand_time(ft, input, t);
1.122 nicm 731:
1.94 nicm 732: free(c->prompt_string);
1.124 nicm 733: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 734:
1.94 nicm 735: free(c->prompt_buffer);
1.152 nicm 736: c->prompt_buffer = utf8_fromcstr(tmp);
737: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 738:
739: c->prompt_hindex = 0;
740:
741: c->flags |= CLIENT_STATUS;
1.122 nicm 742:
1.152 nicm 743: free(tmp);
1.122 nicm 744: format_free(ft);
1.1 nicm 745: }
746:
747: /* Draw client prompt on status line of present else on last line. */
748: int
749: status_prompt_redraw(struct client *c)
750: {
1.152 nicm 751: struct screen_write_ctx ctx;
752: struct session *s = c->session;
753: struct screen old_status;
754: u_int i, offset, left, start, pcursor, pwidth, width;
755: struct grid_cell gc, cursorgc;
1.1 nicm 756:
757: if (c->tty.sx == 0 || c->tty.sy == 0)
758: return (0);
759: memcpy(&old_status, &c->status, sizeof old_status);
760: screen_init(&c->status, c->tty.sx, 1, 0);
761:
1.155 ! nicm 762: if (c->prompt_mode == PROMPT_COMMAND)
1.137 nicm 763: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 764: else
1.137 nicm 765: style_apply(&gc, s->options, "message-style");
1.1 nicm 766:
1.152 nicm 767: memcpy(&cursorgc, &gc, sizeof cursorgc);
768: cursorgc.attr ^= GRID_ATTR_REVERSE;
769:
770: start = screen_write_strlen("%s", c->prompt_string);
771: if (start > c->tty.sx)
772: start = c->tty.sx;
773:
1.1 nicm 774: screen_write_start(&ctx, NULL, &c->status);
775: screen_write_cursormove(&ctx, 0, 0);
1.152 nicm 776: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
777: while (c->status.cx < screen_size_x(&c->status))
778: screen_write_putc(&ctx, &gc, ' ');
779: screen_write_cursormove(&ctx, start, 0);
1.1 nicm 780:
1.152 nicm 781: left = c->tty.sx - start;
782: if (left == 0)
783: goto finished;
784:
785: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
786: pwidth = utf8_strwidth(c->prompt_buffer, -1);
787: if (pcursor >= left) {
788: /*
789: * The cursor would be outside the screen so start drawing
790: * with it on the right.
791: */
792: offset = (pcursor - left) + 1;
793: pwidth = left;
794: } else
795: offset = 0;
796: if (pwidth > left)
797: pwidth = left;
798:
799: width = 0;
800: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
801: if (width < offset) {
802: width += c->prompt_buffer[i].width;
803: continue;
1.1 nicm 804: }
1.152 nicm 805: if (width >= offset + pwidth)
806: break;
807: width += c->prompt_buffer[i].width;
808: if (width > offset + pwidth)
809: break;
1.1 nicm 810:
1.152 nicm 811: if (i != c->prompt_index) {
812: utf8_copy(&gc.data, &c->prompt_buffer[i]);
813: screen_write_cell(&ctx, &gc);
814: } else {
815: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
816: screen_write_cell(&ctx, &cursorgc);
817: }
1.1 nicm 818: }
1.152 nicm 819: if (c->status.cx < screen_size_x(&c->status) && c->prompt_index >= i)
820: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 821:
1.152 nicm 822: finished:
1.1 nicm 823: screen_write_stop(&ctx);
1.51 nicm 824:
1.1 nicm 825: if (grid_compare(c->status.grid, old_status.grid) == 0) {
826: screen_free(&old_status);
827: return (0);
828: }
829: screen_free(&old_status);
830: return (1);
831: }
832:
1.152 nicm 833: /* Is this a separator? */
834: static int
835: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
836: {
837: if (ud->size != 1 || ud->width != 1)
838: return (0);
839: return (strchr(ws, *ud->data) != NULL);
840: }
841:
842: /* Is this a space? */
843: static int
844: status_prompt_space(const struct utf8_data *ud)
845: {
846: if (ud->size != 1 || ud->width != 1)
847: return (0);
848: return (*ud->data == ' ');
849: }
850:
1.155 ! nicm 851: /*
! 852: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
! 853: * as an emacs key; return 2 to append to the buffer.
! 854: */
! 855: static int
! 856: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
! 857: {
! 858: if (c->prompt_mode == PROMPT_ENTRY) {
! 859: switch (key) {
! 860: case '\003': /* C-c */
! 861: case '\010': /* C-h */
! 862: case '\011': /* Tab */
! 863: case '\025': /* C-u */
! 864: case '\027': /* C-w */
! 865: case '\n':
! 866: case '\r':
! 867: case KEYC_BSPACE:
! 868: case KEYC_DC:
! 869: case KEYC_DOWN:
! 870: case KEYC_END:
! 871: case KEYC_HOME:
! 872: case KEYC_LEFT:
! 873: case KEYC_RIGHT:
! 874: case KEYC_UP:
! 875: *new_key = key;
! 876: return (1);
! 877: case '\033': /* Escape */
! 878: c->prompt_mode = PROMPT_COMMAND;
! 879: c->flags |= CLIENT_STATUS;
! 880: return (0);
! 881: }
! 882: *new_key = key;
! 883: return (2);
! 884: }
! 885:
! 886: switch (key) {
! 887: case 'A':
! 888: case 'I':
! 889: case 'C':
! 890: case 's':
! 891: case 'a':
! 892: c->prompt_mode = PROMPT_ENTRY;
! 893: c->flags |= CLIENT_STATUS;
! 894: break; /* switch mode and... */
! 895: case 'S':
! 896: c->prompt_mode = PROMPT_ENTRY;
! 897: c->flags |= CLIENT_STATUS;
! 898: *new_key = '\025'; /* C-u */
! 899: return (1);
! 900: case 'i':
! 901: case '\033': /* Escape */
! 902: c->prompt_mode = PROMPT_ENTRY;
! 903: c->flags |= CLIENT_STATUS;
! 904: return (0);
! 905: }
! 906:
! 907: switch (key) {
! 908: case 'A':
! 909: case '$':
! 910: *new_key = KEYC_END;
! 911: return (1);
! 912: case 'I':
! 913: case '0':
! 914: case '^':
! 915: *new_key = KEYC_HOME;
! 916: return (1);
! 917: case 'C':
! 918: case 'D':
! 919: *new_key = '\013'; /* C-k */
! 920: return (1);
! 921: case KEYC_BSPACE:
! 922: case 'X':
! 923: *new_key = KEYC_BSPACE;
! 924: return (1);
! 925: case 'b':
! 926: case 'B':
! 927: *new_key = 'b'|KEYC_ESCAPE;
! 928: return (1);
! 929: case 'd':
! 930: *new_key = '\025';
! 931: return (1);
! 932: case 'e':
! 933: case 'E':
! 934: case 'w':
! 935: case 'W':
! 936: *new_key = 'f'|KEYC_ESCAPE;
! 937: return (1);
! 938: case 'p':
! 939: *new_key = '\031'; /* C-y */
! 940: return (1);
! 941: case 's':
! 942: case KEYC_DC:
! 943: case 'x':
! 944: *new_key = KEYC_DC;
! 945: return (1);
! 946: case KEYC_DOWN:
! 947: case 'j':
! 948: *new_key = KEYC_DOWN;
! 949: return (1);
! 950: case KEYC_LEFT:
! 951: case 'h':
! 952: *new_key = KEYC_LEFT;
! 953: return (1);
! 954: case 'a':
! 955: case KEYC_RIGHT:
! 956: case 'l':
! 957: *new_key = KEYC_RIGHT;
! 958: return (1);
! 959: case KEYC_UP:
! 960: case 'k':
! 961: *new_key = KEYC_UP;
! 962: return (1);
! 963: case '\010' /* C-h */:
! 964: case '\003' /* C-c */:
! 965: case '\n':
! 966: case '\r':
! 967: return (1);
! 968: }
! 969: return (0);
! 970: }
! 971:
1.1 nicm 972: /* Handle keys in prompt. */
1.154 nicm 973: int
1.138 nicm 974: status_prompt_key(struct client *c, key_code key)
1.1 nicm 975: {
1.152 nicm 976: struct options *oo = c->session->options;
1.1 nicm 977: struct paste_buffer *pb;
1.152 nicm 978: char *s, word[64];
979: const char *histstr, *bufdata, *ws = NULL;
1.53 nicm 980: u_char ch;
1.152 nicm 981: size_t size, n, off, idx, bufsize, used;
982: struct utf8_data tmp, *first, *last, *ud;
1.155 ! nicm 983: int keys;
1.1 nicm 984:
1.152 nicm 985: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 986:
987: if (c->prompt_flags & PROMPT_NUMERIC) {
988: if (key >= '0' && key <= '9')
989: goto append_key;
990: s = utf8_tocstr(c->prompt_buffer);
991: c->prompt_callbackfn(c->prompt_data, s);
992: status_prompt_clear(c);
993: free(s);
994: return (1);
995: }
996:
1.155 ! nicm 997: keys = options_get_number(c->session->options, "status-keys");
! 998: if (keys == MODEKEY_VI) {
! 999: switch (status_prompt_translate_key(c, key, &key)) {
! 1000: case 1:
! 1001: goto process_key;
! 1002: case 2:
! 1003: goto append_key;
! 1004: default:
! 1005: return (0);
! 1006: }
! 1007: }
! 1008:
! 1009: process_key:
! 1010: switch (key) {
! 1011: case KEYC_LEFT:
! 1012: case '\002': /* C-b */
1.1 nicm 1013: if (c->prompt_index > 0) {
1014: c->prompt_index--;
1015: c->flags |= CLIENT_STATUS;
1016: }
1017: break;
1.155 ! nicm 1018: case KEYC_RIGHT:
! 1019: case '\006': /* C-f */
1.1 nicm 1020: if (c->prompt_index < size) {
1021: c->prompt_index++;
1022: c->flags |= CLIENT_STATUS;
1023: }
1024: break;
1.155 ! nicm 1025: case KEYC_HOME:
! 1026: case '\001': /* C-a */
1.1 nicm 1027: if (c->prompt_index != 0) {
1028: c->prompt_index = 0;
1029: c->flags |= CLIENT_STATUS;
1030: }
1031: break;
1.155 ! nicm 1032: case KEYC_END:
! 1033: case '\005': /* C-e */
1.1 nicm 1034: if (c->prompt_index != size) {
1035: c->prompt_index = size;
1036: c->flags |= CLIENT_STATUS;
1037: }
1038: break;
1.155 ! nicm 1039: case '\011': /* Tab */
1.152 nicm 1040: if (c->prompt_buffer[0].size == 0)
1.1 nicm 1041: break;
1042:
1043: idx = c->prompt_index;
1044: if (idx != 0)
1045: idx--;
1046:
1047: /* Find the word we are in. */
1.152 nicm 1048: first = &c->prompt_buffer[idx];
1049: while (first > c->prompt_buffer && !status_prompt_space(first))
1.1 nicm 1050: first--;
1.152 nicm 1051: while (first->size != 0 && status_prompt_space(first))
1.1 nicm 1052: first++;
1.152 nicm 1053: last = &c->prompt_buffer[idx];
1054: while (last->size != 0 && !status_prompt_space(last))
1.1 nicm 1055: last++;
1.152 nicm 1056: while (last > c->prompt_buffer && status_prompt_space(last))
1.1 nicm 1057: last--;
1.152 nicm 1058: if (last->size != 0)
1.1 nicm 1059: last++;
1.152 nicm 1060: if (last <= first)
1061: break;
1062:
1063: used = 0;
1064: for (ud = first; ud < last; ud++) {
1065: if (used + ud->size >= sizeof word)
1066: break;
1067: memcpy(word + used, ud->data, ud->size);
1068: used += ud->size;
1069: }
1070: if (ud != last)
1.1 nicm 1071: break;
1.152 nicm 1072: word[used] = '\0';
1.1 nicm 1073:
1074: /* And try to complete it. */
1.152 nicm 1075: if ((s = status_prompt_complete(c->session, word)) == NULL)
1.1 nicm 1076: break;
1077:
1078: /* Trim out word. */
1079: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1.152 nicm 1080: memmove(first, last, n * sizeof *c->prompt_buffer);
1.1 nicm 1081: size -= last - first;
1082:
1083: /* Insert the new word. */
1.55 nicm 1084: size += strlen(s);
1.1 nicm 1085: off = first - c->prompt_buffer;
1.152 nicm 1086: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
1087: sizeof *c->prompt_buffer);
1.1 nicm 1088: first = c->prompt_buffer + off;
1.152 nicm 1089: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
1090: for (idx = 0; idx < strlen(s); idx++)
1091: utf8_set(&first[idx], s[idx]);
1.1 nicm 1092:
1093: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1094: free(s);
1.1 nicm 1095:
1096: c->flags |= CLIENT_STATUS;
1097: break;
1.155 ! nicm 1098: case KEYC_BSPACE:
! 1099: case '\010': /* C-h */
1.1 nicm 1100: if (c->prompt_index != 0) {
1101: if (c->prompt_index == size)
1.152 nicm 1102: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1103: else {
1104: memmove(c->prompt_buffer + c->prompt_index - 1,
1105: c->prompt_buffer + c->prompt_index,
1.152 nicm 1106: (size + 1 - c->prompt_index) *
1107: sizeof *c->prompt_buffer);
1.1 nicm 1108: c->prompt_index--;
1109: }
1110: c->flags |= CLIENT_STATUS;
1111: }
1112: break;
1.155 ! nicm 1113: case KEYC_DC:
! 1114: case '\004': /* C-d */
1.1 nicm 1115: if (c->prompt_index != size) {
1116: memmove(c->prompt_buffer + c->prompt_index,
1117: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1118: (size + 1 - c->prompt_index) *
1119: sizeof *c->prompt_buffer);
1.18 nicm 1120: c->flags |= CLIENT_STATUS;
1121: }
1.26 nicm 1122: break;
1.155 ! nicm 1123: case '\025': /* C-u */
1.152 nicm 1124: c->prompt_buffer[0].size = 0;
1.26 nicm 1125: c->prompt_index = 0;
1126: c->flags |= CLIENT_STATUS;
1.18 nicm 1127: break;
1.155 ! nicm 1128: case '\013': /* C-k */
1.18 nicm 1129: if (c->prompt_index < size) {
1.152 nicm 1130: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1131: c->flags |= CLIENT_STATUS;
1132: }
1133: break;
1.155 ! nicm 1134: case '\027': /* C-w */
1.152 nicm 1135: ws = options_get_string(oo, "word-separators");
1.81 nicm 1136: idx = c->prompt_index;
1137:
1138: /* Find a non-separator. */
1139: while (idx != 0) {
1140: idx--;
1.152 nicm 1141: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1142: break;
1143: }
1144:
1145: /* Find the separator at the beginning of the word. */
1146: while (idx != 0) {
1147: idx--;
1.152 nicm 1148: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1149: /* Go back to the word. */
1150: idx++;
1151: break;
1152: }
1153: }
1154:
1155: memmove(c->prompt_buffer + idx,
1156: c->prompt_buffer + c->prompt_index,
1.152 nicm 1157: (size + 1 - c->prompt_index) *
1158: sizeof *c->prompt_buffer);
1.81 nicm 1159: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1160: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1161: c->prompt_index = idx;
1.152 nicm 1162:
1.81 nicm 1163: c->flags |= CLIENT_STATUS;
1164: break;
1.155 ! nicm 1165: case 'f'|KEYC_ESCAPE:
! 1166: ws = options_get_string(oo, "word-separators");
1.81 nicm 1167:
1168: /* Find a word. */
1169: while (c->prompt_index != size) {
1.152 nicm 1170: idx = ++c->prompt_index;
1171: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1172: break;
1173: }
1174:
1175: /* Find the separator at the end of the word. */
1176: while (c->prompt_index != size) {
1.152 nicm 1177: idx = ++c->prompt_index;
1178: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1179: break;
1180: }
1.106 nicm 1181:
1182: /* Back up to the end-of-word like vi. */
1183: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1184: c->prompt_index != 0)
1185: c->prompt_index--;
1.81 nicm 1186:
1187: c->flags |= CLIENT_STATUS;
1188: break;
1.155 ! nicm 1189: case 'b'|KEYC_ESCAPE:
! 1190: ws = options_get_string(oo, "word-separators");
1.81 nicm 1191:
1192: /* Find a non-separator. */
1193: while (c->prompt_index != 0) {
1.152 nicm 1194: idx = --c->prompt_index;
1195: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1196: break;
1197: }
1198:
1199: /* Find the separator at the beginning of the word. */
1200: while (c->prompt_index != 0) {
1.152 nicm 1201: idx = --c->prompt_index;
1202: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1203: /* Go back to the word. */
1204: c->prompt_index++;
1205: break;
1206: }
1207: }
1208:
1209: c->flags |= CLIENT_STATUS;
1210: break;
1.155 ! nicm 1211: case KEYC_UP:
! 1212: case '\020': /* C-p */
1.66 nicm 1213: histstr = status_prompt_up_history(&c->prompt_hindex);
1214: if (histstr == NULL)
1.1 nicm 1215: break;
1.94 nicm 1216: free(c->prompt_buffer);
1.152 nicm 1217: c->prompt_buffer = utf8_fromcstr(histstr);
1218: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 1219: c->flags |= CLIENT_STATUS;
1220: break;
1.155 ! nicm 1221: case KEYC_DOWN:
! 1222: case '\016': /* C-n */
1.66 nicm 1223: histstr = status_prompt_down_history(&c->prompt_hindex);
1224: if (histstr == NULL)
1.65 nicm 1225: break;
1.94 nicm 1226: free(c->prompt_buffer);
1.152 nicm 1227: c->prompt_buffer = utf8_fromcstr(histstr);
1228: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 1229: c->flags |= CLIENT_STATUS;
1230: break;
1.155 ! nicm 1231: case '\031': /* C-y */
1.134 nicm 1232: if ((pb = paste_get_top(NULL)) == NULL)
1.1 nicm 1233: break;
1.134 nicm 1234: bufdata = paste_buffer_data(pb, &bufsize);
1235: for (n = 0; n < bufsize; n++) {
1236: ch = (u_char)bufdata[n];
1.152 nicm 1237: if (ch < 32 || ch >= 127)
1.32 nicm 1238: break;
1239: }
1.1 nicm 1240:
1.152 nicm 1241: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
1242: sizeof *c->prompt_buffer);
1.1 nicm 1243: if (c->prompt_index == size) {
1.152 nicm 1244: for (idx = 0; idx < n; idx++) {
1245: ud = &c->prompt_buffer[c->prompt_index + idx];
1246: utf8_set(ud, bufdata[idx]);
1247: }
1.1 nicm 1248: c->prompt_index += n;
1.152 nicm 1249: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1250: } else {
1251: memmove(c->prompt_buffer + c->prompt_index + n,
1252: c->prompt_buffer + c->prompt_index,
1.152 nicm 1253: (size + 1 - c->prompt_index) *
1254: sizeof *c->prompt_buffer);
1255: for (idx = 0; idx < n; idx++) {
1256: ud = &c->prompt_buffer[c->prompt_index + idx];
1257: utf8_set(ud, bufdata[idx]);
1258: }
1.1 nicm 1259: c->prompt_index += n;
1260: }
1261:
1262: c->flags |= CLIENT_STATUS;
1.30 nicm 1263: break;
1.155 ! nicm 1264: case '\024': /* C-t */
1.30 nicm 1265: idx = c->prompt_index;
1266: if (idx < size)
1267: idx++;
1268: if (idx >= 2) {
1.152 nicm 1269: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1270: utf8_copy(&c->prompt_buffer[idx - 2],
1271: &c->prompt_buffer[idx - 1]);
1272: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1273: c->prompt_index = idx;
1274: c->flags |= CLIENT_STATUS;
1275: }
1.1 nicm 1276: break;
1.155 ! nicm 1277: case '\r':
! 1278: case '\n':
1.152 nicm 1279: s = utf8_tocstr(c->prompt_buffer);
1280: if (*s != '\0')
1281: status_prompt_add_history(s);
1282: if (c->prompt_callbackfn(c->prompt_data, s) == 0)
1.25 nicm 1283: status_prompt_clear(c);
1.152 nicm 1284: free(s);
1.25 nicm 1285: break;
1.155 ! nicm 1286: case '\033': /* Escape */
! 1287: case '\003': /* C-c */
1.12 nicm 1288: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1289: status_prompt_clear(c);
1290: break;
1.154 nicm 1291: }
1.152 nicm 1292:
1.154 nicm 1293: append_key:
1294: if (key <= 0x1f || key >= KEYC_BASE)
1295: return (0);
1296: if (utf8_split(key, &tmp) != UTF8_DONE)
1297: return (0);
1.1 nicm 1298:
1.154 nicm 1299: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1300: sizeof *c->prompt_buffer);
1.1 nicm 1301:
1.154 nicm 1302: if (c->prompt_index == size) {
1303: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1304: c->prompt_index++;
1305: c->prompt_buffer[c->prompt_index].size = 0;
1306: } else {
1307: memmove(c->prompt_buffer + c->prompt_index + 1,
1308: c->prompt_buffer + c->prompt_index,
1309: (size + 1 - c->prompt_index) *
1310: sizeof *c->prompt_buffer);
1311: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1312: c->prompt_index++;
1313: }
1.1 nicm 1314:
1.154 nicm 1315: if (c->prompt_flags & PROMPT_SINGLE) {
1316: s = utf8_tocstr(c->prompt_buffer);
1317: if (strlen(s) != 1)
1318: status_prompt_clear(c);
1319: else if (c->prompt_callbackfn(c->prompt_data, s) == 0)
1320: status_prompt_clear(c);
1321: free(s);
1.1 nicm 1322: }
1.154 nicm 1323:
1324: c->flags |= CLIENT_STATUS;
1325: return (0);
1.1 nicm 1326: }
1327:
1.65 nicm 1328: /* Get previous line from the history. */
1.151 nicm 1329: static const char *
1.65 nicm 1330: status_prompt_up_history(u_int *idx)
1331: {
1332: /*
1.128 nicm 1333: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1334: * empty.
1.65 nicm 1335: */
1336:
1.128 nicm 1337: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1338: return (NULL);
1339: (*idx)++;
1.128 nicm 1340: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1341: }
1342:
1343: /* Get next line from the history. */
1.151 nicm 1344: static const char *
1.65 nicm 1345: status_prompt_down_history(u_int *idx)
1346: {
1.128 nicm 1347: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1348: return ("");
1349: (*idx)--;
1350: if (*idx == 0)
1351: return ("");
1.128 nicm 1352: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1353: }
1354:
1.1 nicm 1355: /* Add line to the history. */
1.151 nicm 1356: static void
1.65 nicm 1357: status_prompt_add_history(const char *line)
1.1 nicm 1358: {
1.128 nicm 1359: size_t size;
1.65 nicm 1360:
1.128 nicm 1361: if (status_prompt_hsize > 0 &&
1362: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1363: return;
1364:
1.128 nicm 1365: if (status_prompt_hsize == PROMPT_HISTORY) {
1366: free(status_prompt_hlist[0]);
1.1 nicm 1367:
1.128 nicm 1368: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1369: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1370:
1.128 nicm 1371: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1372: return;
1373: }
1.1 nicm 1374:
1.128 nicm 1375: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1376: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1377: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1378: }
1379:
1380: /* Build completion list. */
1.151 nicm 1381: static const char **
1.128 nicm 1382: status_prompt_complete_list(u_int *size, const char *s)
1383: {
1384: const char **list = NULL, **layout;
1385: const struct cmd_entry **cmdent;
1386: const struct options_table_entry *oe;
1387: const char *layouts[] = {
1388: "even-horizontal", "even-vertical", "main-horizontal",
1389: "main-vertical", "tiled", NULL
1390: };
1.1 nicm 1391:
1.128 nicm 1392: *size = 0;
1.1 nicm 1393: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.128 nicm 1394: if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
1395: list = xreallocarray(list, (*size) + 1, sizeof *list);
1396: list[(*size)++] = (*cmdent)->name;
1397: }
1.56 nicm 1398: }
1.142 nicm 1399: for (oe = options_table; oe->name != NULL; oe++) {
1.128 nicm 1400: if (strncmp(oe->name, s, strlen(s)) == 0) {
1401: list = xreallocarray(list, (*size) + 1, sizeof *list);
1402: list[(*size)++] = oe->name;
1403: }
1404: }
1405: for (layout = layouts; *layout != NULL; layout++) {
1406: if (strncmp(*layout, s, strlen(s)) == 0) {
1407: list = xreallocarray(list, (*size) + 1, sizeof *list);
1408: list[(*size)++] = *layout;
1409: }
1410: }
1411: return (list);
1412: }
1413:
1414: /* Find longest prefix. */
1.151 nicm 1415: static char *
1.128 nicm 1416: status_prompt_complete_prefix(const char **list, u_int size)
1417: {
1418: char *out;
1419: u_int i;
1420: size_t j;
1421:
1422: out = xstrdup(list[0]);
1423: for (i = 1; i < size; i++) {
1424: j = strlen(list[i]);
1425: if (j > strlen(out))
1426: j = strlen(out);
1427: for (; j > 0; j--) {
1428: if (out[j - 1] != list[i][j - 1])
1429: out[j - 1] = '\0';
1430: }
1.1 nicm 1431: }
1.128 nicm 1432: return (out);
1433: }
1.1 nicm 1434:
1.128 nicm 1435: /* Complete word. */
1.151 nicm 1436: static char *
1.152 nicm 1437: status_prompt_complete(struct session *session, const char *s)
1.128 nicm 1438: {
1439: const char **list = NULL, *colon;
1440: u_int size = 0, i;
1441: struct session *s_loop;
1442: struct winlink *wl;
1443: struct window *w;
1444: char *copy, *out, *tmp;
1445:
1446: if (*s == '\0')
1.1 nicm 1447: return (NULL);
1.128 nicm 1448: out = NULL;
1449:
1450: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1451: list = status_prompt_complete_list(&size, s);
1452: if (size == 0)
1453: out = NULL;
1454: else if (size == 1)
1455: xasprintf(&out, "%s ", list[0]);
1456: else
1457: out = status_prompt_complete_prefix(list, size);
1458: free(list);
1459: return (out);
1460: }
1461: copy = xstrdup(s);
1462:
1463: colon = ":";
1464: if (copy[strlen(copy) - 1] == ':')
1465: copy[strlen(copy) - 1] = '\0';
1466: else
1467: colon = "";
1468: s = copy + 2;
1.1 nicm 1469:
1.128 nicm 1470: RB_FOREACH(s_loop, sessions, &sessions) {
1471: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1472: list = xreallocarray(list, size + 2, sizeof *list);
1473: list[size++] = s_loop->name;
1474: }
1475: }
1476: if (size == 1) {
1477: out = xstrdup(list[0]);
1478: if (session_find(list[0]) != NULL)
1479: colon = ":";
1480: } else if (size != 0)
1481: out = status_prompt_complete_prefix(list, size);
1482: if (out != NULL) {
1483: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1484: out = tmp;
1485: goto found;
1486: }
1487:
1488: colon = "";
1489: if (*s == ':') {
1.152 nicm 1490: RB_FOREACH(wl, winlinks, &session->windows) {
1.128 nicm 1491: xasprintf(&tmp, ":%s", wl->window->name);
1492: if (strncmp(tmp, s, strlen(s)) == 0){
1493: list = xreallocarray(list, size + 1,
1494: sizeof *list);
1495: list[size++] = tmp;
1496: continue;
1497: }
1498: free(tmp);
1.1 nicm 1499:
1.128 nicm 1500: xasprintf(&tmp, ":%d", wl->idx);
1501: if (strncmp(tmp, s, strlen(s)) == 0) {
1502: list = xreallocarray(list, size + 1,
1503: sizeof *list);
1504: list[size++] = tmp;
1505: continue;
1506: }
1507: free(tmp);
1508: }
1509: } else {
1510: RB_FOREACH(s_loop, sessions, &sessions) {
1511: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1512: w = wl->window;
1513:
1514: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1515: if (strncmp(tmp, s, strlen(s)) == 0) {
1516: list = xreallocarray(list, size + 1,
1517: sizeof *list);
1518: list[size++] = tmp;
1519: continue;
1520: }
1521: free(tmp);
1522:
1523: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1524: if (strncmp(tmp, s, strlen(s)) == 0) {
1525: list = xreallocarray(list, size + 1,
1526: sizeof *list);
1527: list[size++] = tmp;
1528: continue;
1529: }
1530: free(tmp);
1531: }
1.1 nicm 1532: }
1533: }
1.128 nicm 1534: if (size == 1) {
1535: out = xstrdup(list[0]);
1536: colon = " ";
1537: } else if (size != 0)
1538: out = status_prompt_complete_prefix(list, size);
1539: if (out != NULL) {
1540: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1541: out = tmp;
1542: }
1543:
1544: for (i = 0; i < size; i++)
1545: free((void *)list[i]);
1546:
1547: found:
1548: free(copy);
1549: free(list);
1550: return (out);
1.1 nicm 1551: }
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