4 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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.
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.
19 #include <sys/types.h>
32 char *status_redraw_get_left(
33 struct client
*, time_t, int, struct grid_cell
*, size_t *);
34 char *status_redraw_get_right(
35 struct client
*, time_t, int, struct grid_cell
*, size_t *);
36 char *status_find_job(struct client
*, char **);
37 void status_job_free(void *);
38 void status_job_callback(struct job
*);
40 struct client
*, struct winlink
*, time_t, struct grid_cell
*);
41 void status_replace1(struct client
*, struct session
*, struct winlink
*,
42 struct window_pane
*, char **, char **, char *, size_t, int);
43 void status_message_callback(int, short, void *);
45 const char *status_prompt_up_history(u_int
*);
46 const char *status_prompt_down_history(u_int
*);
47 void status_prompt_add_history(const char *);
48 char *status_prompt_complete(const char *);
50 /* Status prompt history. */
51 ARRAY_DECL(, char *) status_prompt_history
= ARRAY_INITIALIZER
;
53 /* Status output tree. */
54 RB_GENERATE(status_out_tree
, status_out
, entry
, status_out_cmp
);
56 /* Output tree comparison function. */
58 status_out_cmp(struct status_out
*so1
, struct status_out
*so2
)
60 return (strcmp(so1
->cmd
, so2
->cmd
));
63 /* Retrieve options for left string. */
65 status_redraw_get_left(struct client
*c
,
66 time_t t
, int utf8flag
, struct grid_cell
*gc
, size_t *size
)
68 struct session
*s
= c
->session
;
73 fg
= options_get_number(&s
->options
, "status-left-fg");
75 colour_set_fg(gc
, fg
);
76 bg
= options_get_number(&s
->options
, "status-left-bg");
78 colour_set_bg(gc
, bg
);
79 attr
= options_get_number(&s
->options
, "status-left-attr");
83 left
= status_replace(c
, NULL
,
84 NULL
, NULL
, options_get_string(&s
->options
, "status-left"), t
, 1);
86 *size
= options_get_number(&s
->options
, "status-left-length");
87 leftlen
= screen_write_cstrlen(utf8flag
, "%s", left
);
93 /* Retrieve options for right string. */
95 status_redraw_get_right(struct client
*c
,
96 time_t t
, int utf8flag
, struct grid_cell
*gc
, size_t *size
)
98 struct session
*s
= c
->session
;
103 fg
= options_get_number(&s
->options
, "status-right-fg");
105 colour_set_fg(gc
, fg
);
106 bg
= options_get_number(&s
->options
, "status-right-bg");
108 colour_set_bg(gc
, bg
);
109 attr
= options_get_number(&s
->options
, "status-right-attr");
113 right
= status_replace(c
, NULL
,
114 NULL
, NULL
, options_get_string(&s
->options
, "status-right"), t
, 1);
116 *size
= options_get_number(&s
->options
, "status-right-length");
117 rightlen
= screen_write_cstrlen(utf8flag
, "%s", right
);
118 if (rightlen
< *size
)
123 /* Set window at window list position. */
125 status_set_window_at(struct client
*c
, u_int x
)
127 struct session
*s
= c
->session
;
131 RB_FOREACH(wl
, winlinks
, &s
->windows
) {
132 if (x
< wl
->status_width
&&
133 session_select(s
, wl
->idx
) == 0) {
134 server_redraw_session(s
);
136 x
-= wl
->status_width
+ 1;
140 /* Draw status for client on the last lines of given context. */
142 status_redraw(struct client
*c
)
144 struct screen_write_ctx ctx
;
145 struct session
*s
= c
->session
;
147 struct screen old_status
, window_list
;
148 struct grid_cell stdgc
, lgc
, rgc
, gc
;
151 u_int offset
, needed
;
152 u_int wlstart
, wlwidth
, wlavailable
, wloffset
, wlsize
;
154 int larrow
, rarrow
, utf8flag
;
156 /* No status line? */
157 if (c
->tty
.sy
== 0 || !options_get_number(&s
->options
, "status"))
162 /* Update status timer. */
163 if (gettimeofday(&c
->status_timer
, NULL
) != 0)
164 fatal("gettimeofday failed");
165 t
= c
->status_timer
.tv_sec
;
167 /* Set up default colour. */
168 memcpy(&stdgc
, &grid_default_cell
, sizeof gc
);
169 colour_set_fg(&stdgc
, options_get_number(&s
->options
, "status-fg"));
170 colour_set_bg(&stdgc
, options_get_number(&s
->options
, "status-bg"));
171 stdgc
.attr
|= options_get_number(&s
->options
, "status-attr");
173 /* Create the target screen. */
174 memcpy(&old_status
, &c
->status
, sizeof old_status
);
175 screen_init(&c
->status
, c
->tty
.sx
, 1, 0);
176 screen_write_start(&ctx
, NULL
, &c
->status
);
177 for (offset
= 0; offset
< c
->tty
.sx
; offset
++)
178 screen_write_putc(&ctx
, &stdgc
, ' ');
179 screen_write_stop(&ctx
);
181 /* If the height is one line, blank status line. */
185 /* Get UTF-8 flag. */
186 utf8flag
= options_get_number(&s
->options
, "status-utf8");
188 /* Work out left and right strings. */
189 memcpy(&lgc
, &stdgc
, sizeof lgc
);
190 left
= status_redraw_get_left(c
, t
, utf8flag
, &lgc
, &llen
);
191 memcpy(&rgc
, &stdgc
, sizeof rgc
);
192 right
= status_redraw_get_right(c
, t
, utf8flag
, &rgc
, &rlen
);
195 * Figure out how much space we have for the window list. If there
196 * isn't enough space, just show a blank status line.
203 if (c
->tty
.sx
== 0 || c
->tty
.sx
<= needed
)
205 wlavailable
= c
->tty
.sx
- needed
;
207 /* Calculate the total size needed for the window list. */
208 wlstart
= wloffset
= wlwidth
= 0;
209 RB_FOREACH(wl
, winlinks
, &s
->windows
) {
210 if (wl
->status_text
!= NULL
)
211 xfree(wl
->status_text
);
212 memcpy(&wl
->status_cell
, &stdgc
, sizeof wl
->status_cell
);
213 wl
->status_text
= status_print(c
, wl
, t
, &wl
->status_cell
);
215 screen_write_cstrlen(utf8flag
, "%s", wl
->status_text
);
219 wlwidth
+= wl
->status_width
+ 1;
222 /* Create a new screen for the window list. */
223 screen_init(&window_list
, wlwidth
, 1, 0);
225 /* And draw the window list into it. */
226 screen_write_start(&ctx
, NULL
, &window_list
);
227 RB_FOREACH(wl
, winlinks
, &s
->windows
) {
228 screen_write_cnputs(&ctx
,
229 -1, &wl
->status_cell
, utf8flag
, "%s", wl
->status_text
);
230 screen_write_putc(&ctx
, &stdgc
, ' ');
232 screen_write_stop(&ctx
);
234 /* If there is enough space for the total width, skip to draw now. */
235 if (wlwidth
<= wlavailable
)
238 /* Find size of current window text. */
239 wlsize
= s
->curw
->status_width
;
242 * If the current window is already on screen, good to draw from the
243 * start and just leave off the end.
245 if (wloffset
+ wlsize
< wlavailable
) {
246 if (wlavailable
> 0) {
250 wlwidth
= wlavailable
;
253 * Work out how many characters we need to omit from the
254 * start. There are wlavailable characters to fill, and
255 * wloffset + wlsize must be the last. So, the start character
256 * is wloffset + wlsize - wlavailable.
258 if (wlavailable
> 0) {
263 wlstart
= wloffset
+ wlsize
- wlavailable
;
264 if (wlavailable
> 0 && wlwidth
> wlstart
+ wlavailable
+ 1) {
269 wlwidth
= wlavailable
;
272 /* Bail if anything is now too small too. */
273 if (wlwidth
== 0 || wlavailable
== 0) {
274 screen_free(&window_list
);
279 * Now the start position is known, work out the state of the left and
283 RB_FOREACH(wl
, winlinks
, &s
->windows
) {
284 if (wl
->flags
& WINLINK_ALERTFLAGS
&&
285 larrow
== 1 && offset
< wlstart
)
288 offset
+= wl
->status_width
;
290 if (wl
->flags
& WINLINK_ALERTFLAGS
&&
291 rarrow
== 1 && offset
> wlstart
+ wlwidth
)
297 screen_write_start(&ctx
, NULL
, &c
->status
);
299 /* Draw the left string and arrow. */
300 screen_write_cursormove(&ctx
, 0, 0);
302 screen_write_cnputs(&ctx
, llen
, &lgc
, utf8flag
, "%s", left
);
303 screen_write_putc(&ctx
, &stdgc
, ' ');
306 memcpy(&gc
, &stdgc
, sizeof gc
);
308 gc
.attr
^= GRID_ATTR_REVERSE
;
309 screen_write_putc(&ctx
, &gc
, '<');
312 /* Draw the right string and arrow. */
314 screen_write_cursormove(&ctx
, c
->tty
.sx
- rlen
- 2, 0);
315 memcpy(&gc
, &stdgc
, sizeof gc
);
317 gc
.attr
^= GRID_ATTR_REVERSE
;
318 screen_write_putc(&ctx
, &gc
, '>');
320 screen_write_cursormove(&ctx
, c
->tty
.sx
- rlen
- 1, 0);
322 screen_write_putc(&ctx
, &stdgc
, ' ');
323 screen_write_cnputs(&ctx
, rlen
, &rgc
, utf8flag
, "%s", right
);
326 /* Figure out the offset for the window list. */
331 if (wlwidth
< wlavailable
) {
332 switch (options_get_number(&s
->options
, "status-justify")) {
333 case 1: /* centered */
334 wloffset
+= (wlavailable
- wlwidth
) / 2;
337 wloffset
+= (wlavailable
- wlwidth
);
344 /* Copy the window list. */
345 s
->wlmouse
= -wloffset
+ wlstart
;
346 screen_write_cursormove(&ctx
, wloffset
, 0);
347 screen_write_copy(&ctx
, &window_list
, wlstart
, 0, wlwidth
, 1);
348 screen_free(&window_list
);
350 screen_write_stop(&ctx
);
358 if (grid_compare(c
->status
.grid
, old_status
.grid
) == 0) {
359 screen_free(&old_status
);
362 screen_free(&old_status
);
366 /* Replace a single special sequence (prefixed by #). */
368 status_replace1(struct client
*c
, struct session
*s
, struct winlink
*wl
,
369 struct window_pane
*wp
, char **iptr
, char **optr
, char *out
,
370 size_t outsize
, int jobsflag
)
372 char ch
, tmp
[256], *ptr
, *endptr
, *freeptr
;
382 wp
= wl
->window
->active
;
385 limit
= strtol(*iptr
, &endptr
, 10);
386 if ((limit
== 0 && errno
!= EINVAL
) ||
387 (limit
== LONG_MIN
&& errno
!= ERANGE
) ||
388 (limit
== LONG_MAX
&& errno
!= ERANGE
) ||
396 switch (*(*iptr
)++) {
402 if ((ptr
= status_find_job(c
, iptr
)) == NULL
)
406 xsnprintf(tmp
, sizeof tmp
, "%%%u", wp
->id
);
410 if (gethostname(tmp
, sizeof tmp
) != 0)
411 fatal("gethostname failed");
415 if (gethostname(tmp
, sizeof tmp
) != 0)
416 fatal("gethostname failed");
417 if ((ptr
= strchr(tmp
, '.')) != NULL
)
422 xsnprintf(tmp
, sizeof tmp
, "%d", wl
->idx
);
426 if (window_pane_index(wp
, &idx
) != 0)
427 fatalx("index not found");
429 tmp
, sizeof tmp
, "%u", idx
);
436 ptr
= wp
->base
.title
;
439 ptr
= wl
->window
->name
;
442 ptr
= window_printable_flags(s
, wl
);
447 * Embedded style, handled at display time. Leave present and
448 * skip input until ].
460 ptrlen
= strlen(ptr
);
461 if ((size_t) limit
< ptrlen
)
464 if (*optr
+ ptrlen
>= out
+ outsize
- 1)
466 while (ptrlen
> 0 && *ptr
!= '\0') {
479 (*iptr
)--; /* include ch */
480 while (**iptr
!= ch
&& **iptr
!= '\0') {
481 if (*optr
>= out
+ outsize
- 1)
483 *(*optr
)++ = *(*iptr
)++;
487 /* Replace special sequences in fmt. */
489 status_replace(struct client
*c
, struct session
*s
, struct winlink
*wl
,
490 struct window_pane
*wp
, const char *fmt
, time_t t
, int jobsflag
)
492 static char out
[BUFSIZ
];
493 char in
[BUFSIZ
], ch
, *iptr
, *optr
;
496 len
= strftime(in
, sizeof in
, fmt
, localtime(&t
));
502 while (*iptr
!= '\0') {
503 if (optr
>= out
+ (sizeof out
) - 1)
507 if (ch
!= '#' || *iptr
== '\0') {
512 c
, s
, wl
, wp
, &iptr
, &optr
, out
, sizeof out
, jobsflag
);
516 return (xstrdup(out
));
519 /* Figure out job name and get its result, starting it off if necessary. */
521 status_find_job(struct client
*c
, char **iptr
)
523 struct status_out
*so
, so_find
;
530 if (**iptr
== ')') { /* no command given */
535 cmd
= xmalloc(strlen(*iptr
) + 1);
539 for (; **iptr
!= '\0'; (*iptr
)++) {
540 if (!lastesc
&& **iptr
== ')')
541 break; /* unescaped ) is the end */
542 if (!lastesc
&& **iptr
== '\\') {
544 continue; /* skip \ if not escaped */
549 if (**iptr
== '\0') /* no terminating ) */ {
553 (*iptr
)++; /* skip final ) */
556 /* First try in the new tree. */
558 so
= RB_FIND(status_out_tree
, &c
->status_new
, &so_find
);
559 if (so
!= NULL
&& so
->out
!= NULL
) {
564 /* If not found at all, start the job and add to the tree. */
566 job_run(cmd
, status_job_callback
, status_job_free
, c
);
569 so
= xmalloc(sizeof *so
);
570 so
->cmd
= xstrdup(cmd
);
572 RB_INSERT(status_out_tree
, &c
->status_new
, so
);
575 /* Lookup in the old tree. */
577 so
= RB_FIND(status_out_tree
, &c
->status_old
, &so_find
);
586 status_free_jobs(struct status_out_tree
*sotree
)
588 struct status_out
*so
, *so_next
;
590 so_next
= RB_MIN(status_out_tree
, sotree
);
591 while (so_next
!= NULL
) {
593 so_next
= RB_NEXT(status_out_tree
, sotree
, so
);
595 RB_REMOVE(status_out_tree
, sotree
, so
);
603 /* Update jobs on status interval. */
605 status_update_jobs(struct client
*c
)
607 /* Free the old tree. */
608 status_free_jobs(&c
->status_old
);
610 /* Move the new to old. */
611 memcpy(&c
->status_old
, &c
->status_new
, sizeof c
->status_old
);
612 RB_INIT(&c
->status_new
);
615 /* Free status job. */
617 status_job_free(void *data
)
619 struct client
*c
= data
;
624 /* Job has finished: save its result. */
626 status_job_callback(struct job
*job
)
628 struct client
*c
= job
->data
;
629 struct status_out
*so
, so_find
;
633 if (c
->flags
& CLIENT_DEAD
)
636 so_find
.cmd
= job
->cmd
;
637 so
= RB_FIND(status_out_tree
, &c
->status_new
, &so_find
);
638 if (so
== NULL
|| so
->out
!= NULL
)
642 if ((line
= evbuffer_readline(job
->event
->input
)) == NULL
) {
643 len
= EVBUFFER_LENGTH(job
->event
->input
);
644 buf
= xmalloc(len
+ 1);
646 memcpy(buf
, EVBUFFER_DATA(job
->event
->input
), len
);
652 server_status_client(c
);
655 /* Return winlink status line entry and adjust gc as necessary. */
658 struct client
*c
, struct winlink
*wl
, time_t t
, struct grid_cell
*gc
)
660 struct options
*oo
= &wl
->window
->options
;
661 struct session
*s
= c
->session
;
666 fg
= options_get_number(oo
, "window-status-fg");
668 colour_set_fg(gc
, fg
);
669 bg
= options_get_number(oo
, "window-status-bg");
671 colour_set_bg(gc
, bg
);
672 attr
= options_get_number(oo
, "window-status-attr");
675 fmt
= options_get_string(oo
, "window-status-format");
677 fg
= options_get_number(oo
, "window-status-current-fg");
679 colour_set_fg(gc
, fg
);
680 bg
= options_get_number(oo
, "window-status-current-bg");
682 colour_set_bg(gc
, bg
);
683 attr
= options_get_number(oo
, "window-status-current-attr");
686 fmt
= options_get_string(oo
, "window-status-current-format");
689 if (wl
->flags
& WINLINK_BELL
) {
690 fg
= options_get_number(oo
, "window-status-bell-fg");
692 colour_set_fg(gc
, fg
);
693 bg
= options_get_number(oo
, "window-status-bell-bg");
695 colour_set_bg(gc
, bg
);
696 attr
= options_get_number(oo
, "window-status-bell-attr");
699 } else if (wl
->flags
& WINLINK_CONTENT
) {
700 fg
= options_get_number(oo
, "window-status-content-fg");
702 colour_set_fg(gc
, fg
);
703 bg
= options_get_number(oo
, "window-status-content-bg");
705 colour_set_bg(gc
, bg
);
706 attr
= options_get_number(oo
, "window-status-content-attr");
709 } else if (wl
->flags
& (WINLINK_ACTIVITY
|WINLINK_SILENCE
)) {
710 fg
= options_get_number(oo
, "window-status-activity-fg");
712 colour_set_fg(gc
, fg
);
713 bg
= options_get_number(oo
, "window-status-activity-bg");
715 colour_set_bg(gc
, bg
);
716 attr
= options_get_number(oo
, "window-status-activity-attr");
721 text
= status_replace(c
, NULL
, wl
, NULL
, fmt
, t
, 1);
725 /* Set a status line message. */
727 status_message_set(struct client
*c
, const char *fmt
, ...)
730 struct session
*s
= c
->session
;
731 struct message_entry
*msg
;
736 status_prompt_clear(c
);
737 status_message_clear(c
);
740 xvasprintf(&c
->message_string
, fmt
, ap
);
743 ARRAY_EXPAND(&c
->message_log
, 1);
744 msg
= &ARRAY_LAST(&c
->message_log
);
745 msg
->msg_time
= time(NULL
);
746 msg
->msg
= xstrdup(c
->message_string
);
751 limit
= options_get_number(&s
->options
, "message-limit");
752 if (ARRAY_LENGTH(&c
->message_log
) > limit
) {
753 limit
= ARRAY_LENGTH(&c
->message_log
) - limit
;
754 for (i
= 0; i
< limit
; i
++) {
755 msg
= &ARRAY_FIRST(&c
->message_log
);
757 ARRAY_REMOVE(&c
->message_log
, 0);
761 delay
= options_get_number(&c
->session
->options
, "display-time");
762 tv
.tv_sec
= delay
/ 1000;
763 tv
.tv_usec
= (delay
% 1000) * 1000L;
765 evtimer_del(&c
->message_timer
);
766 evtimer_set(&c
->message_timer
, status_message_callback
, c
);
767 evtimer_add(&c
->message_timer
, &tv
);
769 c
->tty
.flags
|= (TTY_NOCURSOR
|TTY_FREEZE
);
770 c
->flags
|= CLIENT_STATUS
;
773 /* Clear status line message. */
775 status_message_clear(struct client
*c
)
777 if (c
->message_string
== NULL
)
780 xfree(c
->message_string
);
781 c
->message_string
= NULL
;
783 c
->tty
.flags
&= ~(TTY_NOCURSOR
|TTY_FREEZE
);
784 c
->flags
|= CLIENT_REDRAW
; /* screen was frozen and may have changed */
786 screen_reinit(&c
->status
);
789 /* Clear status line message after timer expires. */
792 status_message_callback(unused
int fd
, unused
short event
, void *data
)
794 struct client
*c
= data
;
796 status_message_clear(c
);
799 /* Draw client message on status line of present else on last line. */
801 status_message_redraw(struct client
*c
)
803 struct screen_write_ctx ctx
;
804 struct session
*s
= c
->session
;
805 struct screen old_status
;
810 if (c
->tty
.sx
== 0 || c
->tty
.sy
== 0)
812 memcpy(&old_status
, &c
->status
, sizeof old_status
);
813 screen_init(&c
->status
, c
->tty
.sx
, 1, 0);
815 utf8flag
= options_get_number(&s
->options
, "status-utf8");
817 len
= screen_write_strlen(utf8flag
, "%s", c
->message_string
);
821 memcpy(&gc
, &grid_default_cell
, sizeof gc
);
822 colour_set_fg(&gc
, options_get_number(&s
->options
, "message-fg"));
823 colour_set_bg(&gc
, options_get_number(&s
->options
, "message-bg"));
824 gc
.attr
|= options_get_number(&s
->options
, "message-attr");
826 screen_write_start(&ctx
, NULL
, &c
->status
);
828 screen_write_cursormove(&ctx
, 0, 0);
829 screen_write_nputs(&ctx
, len
, &gc
, utf8flag
, "%s", c
->message_string
);
830 for (; len
< c
->tty
.sx
; len
++)
831 screen_write_putc(&ctx
, &gc
, ' ');
833 screen_write_stop(&ctx
);
835 if (grid_compare(c
->status
.grid
, old_status
.grid
) == 0) {
836 screen_free(&old_status
);
839 screen_free(&old_status
);
843 /* Enable status line prompt. */
845 status_prompt_set(struct client
*c
, const char *msg
, const char *input
,
846 int (*callbackfn
)(void *, const char *), void (*freefn
)(void *),
847 void *data
, int flags
)
851 status_message_clear(c
);
852 status_prompt_clear(c
);
854 c
->prompt_string
= status_replace(c
, NULL
, NULL
, NULL
, msg
,
859 c
->prompt_buffer
= status_replace(c
, NULL
, NULL
, NULL
, input
,
861 c
->prompt_index
= strlen(c
->prompt_buffer
);
863 c
->prompt_callbackfn
= callbackfn
;
864 c
->prompt_freefn
= freefn
;
865 c
->prompt_data
= data
;
867 c
->prompt_hindex
= 0;
869 c
->prompt_flags
= flags
;
871 keys
= options_get_number(&c
->session
->options
, "status-keys");
872 if (keys
== MODEKEY_EMACS
)
873 mode_key_init(&c
->prompt_mdata
, &mode_key_tree_emacs_edit
);
875 mode_key_init(&c
->prompt_mdata
, &mode_key_tree_vi_edit
);
877 c
->tty
.flags
|= (TTY_NOCURSOR
|TTY_FREEZE
);
878 c
->flags
|= CLIENT_STATUS
;
881 /* Remove status line prompt. */
883 status_prompt_clear(struct client
*c
)
885 if (c
->prompt_string
== NULL
)
888 if (c
->prompt_freefn
!= NULL
&& c
->prompt_data
!= NULL
)
889 c
->prompt_freefn(c
->prompt_data
);
891 xfree(c
->prompt_string
);
892 c
->prompt_string
= NULL
;
894 xfree(c
->prompt_buffer
);
895 c
->prompt_buffer
= NULL
;
897 c
->tty
.flags
&= ~(TTY_NOCURSOR
|TTY_FREEZE
);
898 c
->flags
|= CLIENT_REDRAW
; /* screen was frozen and may have changed */
900 screen_reinit(&c
->status
);
903 /* Update status line prompt with a new prompt string. */
905 status_prompt_update(struct client
*c
, const char *msg
, const char *input
)
907 xfree(c
->prompt_string
);
908 c
->prompt_string
= status_replace(c
, NULL
, NULL
, NULL
, msg
,
911 xfree(c
->prompt_buffer
);
914 c
->prompt_buffer
= status_replace(c
, NULL
, NULL
, NULL
, input
,
916 c
->prompt_index
= strlen(c
->prompt_buffer
);
918 c
->prompt_hindex
= 0;
920 c
->flags
|= CLIENT_STATUS
;
923 /* Draw client prompt on status line of present else on last line. */
925 status_prompt_redraw(struct client
*c
)
927 struct screen_write_ctx ctx
;
928 struct session
*s
= c
->session
;
929 struct screen old_status
;
930 size_t i
, size
, left
, len
, off
;
931 struct grid_cell gc
, *gcp
;
934 if (c
->tty
.sx
== 0 || c
->tty
.sy
== 0)
936 memcpy(&old_status
, &c
->status
, sizeof old_status
);
937 screen_init(&c
->status
, c
->tty
.sx
, 1, 0);
939 utf8flag
= options_get_number(&s
->options
, "status-utf8");
941 len
= screen_write_strlen(utf8flag
, "%s", c
->prompt_string
);
946 memcpy(&gc
, &grid_default_cell
, sizeof gc
);
947 /* Change colours for command mode. */
948 if (c
->prompt_mdata
.mode
== 1) {
949 colour_set_fg(&gc
, options_get_number(&s
->options
, "message-command-fg"));
950 colour_set_bg(&gc
, options_get_number(&s
->options
, "message-command-bg"));
951 gc
.attr
|= options_get_number(&s
->options
, "message-command-attr");
953 colour_set_fg(&gc
, options_get_number(&s
->options
, "message-fg"));
954 colour_set_bg(&gc
, options_get_number(&s
->options
, "message-bg"));
955 gc
.attr
|= options_get_number(&s
->options
, "message-attr");
958 screen_write_start(&ctx
, NULL
, &c
->status
);
960 screen_write_cursormove(&ctx
, 0, 0);
961 screen_write_nputs(&ctx
, len
, &gc
, utf8flag
, "%s", c
->prompt_string
);
963 left
= c
->tty
.sx
- len
;
965 size
= screen_write_strlen(utf8flag
, "%s", c
->prompt_buffer
);
966 if (c
->prompt_index
>= left
) {
967 off
= c
->prompt_index
- left
+ 1;
968 if (c
->prompt_index
== size
)
973 &ctx
, left
, &gc
, utf8flag
, "%s", c
->prompt_buffer
+ off
);
975 for (i
= len
+ size
; i
< c
->tty
.sx
; i
++)
976 screen_write_putc(&ctx
, &gc
, ' ');
979 screen_write_stop(&ctx
);
981 /* Apply fake cursor. */
982 off
= len
+ c
->prompt_index
- off
;
983 gcp
= grid_view_get_cell(c
->status
.grid
, off
, 0);
984 gcp
->attr
^= GRID_ATTR_REVERSE
;
986 if (grid_compare(c
->status
.grid
, old_status
.grid
) == 0) {
987 screen_free(&old_status
);
990 screen_free(&old_status
);
994 /* Handle keys in prompt. */
996 status_prompt_key(struct client
*c
, int key
)
998 struct session
*sess
= c
->session
;
999 struct options
*oo
= &sess
->options
;
1000 struct paste_buffer
*pb
;
1001 char *s
, *first
, *last
, word
[64], swapc
;
1002 const char *histstr
;
1003 const char *wsep
= NULL
;
1005 size_t size
, n
, off
, idx
;
1007 size
= strlen(c
->prompt_buffer
);
1008 switch (mode_key_lookup(&c
->prompt_mdata
, key
)) {
1009 case MODEKEYEDIT_CURSORLEFT
:
1010 if (c
->prompt_index
> 0) {
1012 c
->flags
|= CLIENT_STATUS
;
1015 case MODEKEYEDIT_SWITCHMODE
:
1016 c
->flags
|= CLIENT_STATUS
;
1018 case MODEKEYEDIT_SWITCHMODEAPPEND
:
1019 c
->flags
|= CLIENT_STATUS
;
1021 case MODEKEYEDIT_CURSORRIGHT
:
1022 if (c
->prompt_index
< size
) {
1024 c
->flags
|= CLIENT_STATUS
;
1027 case MODEKEYEDIT_STARTOFLINE
:
1028 if (c
->prompt_index
!= 0) {
1029 c
->prompt_index
= 0;
1030 c
->flags
|= CLIENT_STATUS
;
1033 case MODEKEYEDIT_ENDOFLINE
:
1034 if (c
->prompt_index
!= size
) {
1035 c
->prompt_index
= size
;
1036 c
->flags
|= CLIENT_STATUS
;
1039 case MODEKEYEDIT_COMPLETE
:
1040 if (*c
->prompt_buffer
== '\0')
1043 idx
= c
->prompt_index
;
1047 /* Find the word we are in. */
1048 first
= c
->prompt_buffer
+ idx
;
1049 while (first
> c
->prompt_buffer
&& *first
!= ' ')
1051 while (*first
== ' ')
1053 last
= c
->prompt_buffer
+ idx
;
1054 while (*last
!= '\0' && *last
!= ' ')
1056 while (*last
== ' ')
1060 if (last
<= first
||
1061 ((size_t) (last
- first
)) > (sizeof word
) - 1)
1063 memcpy(word
, first
, last
- first
);
1064 word
[last
- first
] = '\0';
1066 /* And try to complete it. */
1067 if ((s
= status_prompt_complete(word
)) == NULL
)
1070 /* Trim out word. */
1071 n
= size
- (last
- c
->prompt_buffer
) + 1; /* with \0 */
1072 memmove(first
, last
, n
);
1073 size
-= last
- first
;
1075 /* Insert the new word. */
1077 off
= first
- c
->prompt_buffer
;
1078 c
->prompt_buffer
= xrealloc(c
->prompt_buffer
, 1, size
+ 1);
1079 first
= c
->prompt_buffer
+ off
;
1080 memmove(first
+ strlen(s
), first
, n
);
1081 memcpy(first
, s
, strlen(s
));
1083 c
->prompt_index
= (first
- c
->prompt_buffer
) + strlen(s
);
1086 c
->flags
|= CLIENT_STATUS
;
1088 case MODEKEYEDIT_BACKSPACE
:
1089 if (c
->prompt_index
!= 0) {
1090 if (c
->prompt_index
== size
)
1091 c
->prompt_buffer
[--c
->prompt_index
] = '\0';
1093 memmove(c
->prompt_buffer
+ c
->prompt_index
- 1,
1094 c
->prompt_buffer
+ c
->prompt_index
,
1095 size
+ 1 - c
->prompt_index
);
1098 c
->flags
|= CLIENT_STATUS
;
1101 case MODEKEYEDIT_DELETE
:
1102 if (c
->prompt_index
!= size
) {
1103 memmove(c
->prompt_buffer
+ c
->prompt_index
,
1104 c
->prompt_buffer
+ c
->prompt_index
+ 1,
1105 size
+ 1 - c
->prompt_index
);
1106 c
->flags
|= CLIENT_STATUS
;
1109 case MODEKEYEDIT_DELETELINE
:
1110 *c
->prompt_buffer
= '\0';
1111 c
->prompt_index
= 0;
1112 c
->flags
|= CLIENT_STATUS
;
1114 case MODEKEYEDIT_DELETETOENDOFLINE
:
1115 if (c
->prompt_index
< size
) {
1116 c
->prompt_buffer
[c
->prompt_index
] = '\0';
1117 c
->flags
|= CLIENT_STATUS
;
1120 case MODEKEYEDIT_DELETEWORD
:
1121 wsep
= options_get_string(oo
, "word-separators");
1122 idx
= c
->prompt_index
;
1124 /* Find a non-separator. */
1127 if (!strchr(wsep
, c
->prompt_buffer
[idx
]))
1131 /* Find the separator at the beginning of the word. */
1134 if (strchr(wsep
, c
->prompt_buffer
[idx
])) {
1135 /* Go back to the word. */
1141 memmove(c
->prompt_buffer
+ idx
,
1142 c
->prompt_buffer
+ c
->prompt_index
,
1143 size
+ 1 - c
->prompt_index
);
1144 memset(c
->prompt_buffer
+ size
- (c
->prompt_index
- idx
),
1145 '\0', c
->prompt_index
- idx
);
1146 c
->prompt_index
= idx
;
1147 c
->flags
|= CLIENT_STATUS
;
1149 case MODEKEYEDIT_NEXTSPACE
:
1152 case MODEKEYEDIT_NEXTWORD
:
1154 wsep
= options_get_string(oo
, "word-separators");
1156 /* Find a separator. */
1157 while (c
->prompt_index
!= size
) {
1159 if (strchr(wsep
, c
->prompt_buffer
[c
->prompt_index
]))
1163 /* Find the word right after the separation. */
1164 while (c
->prompt_index
!= size
) {
1166 if (!strchr(wsep
, c
->prompt_buffer
[c
->prompt_index
]))
1170 c
->flags
|= CLIENT_STATUS
;
1172 case MODEKEYEDIT_NEXTSPACEEND
:
1175 case MODEKEYEDIT_NEXTWORDEND
:
1177 wsep
= options_get_string(oo
, "word-separators");
1180 while (c
->prompt_index
!= size
) {
1182 if (!strchr(wsep
, c
->prompt_buffer
[c
->prompt_index
]))
1186 /* Find the separator at the end of the word. */
1187 while (c
->prompt_index
!= size
) {
1189 if (strchr(wsep
, c
->prompt_buffer
[c
->prompt_index
]))
1193 c
->flags
|= CLIENT_STATUS
;
1195 case MODEKEYEDIT_PREVIOUSSPACE
:
1198 case MODEKEYEDIT_PREVIOUSWORD
:
1200 wsep
= options_get_string(oo
, "word-separators");
1202 /* Find a non-separator. */
1203 while (c
->prompt_index
!= 0) {
1205 if (!strchr(wsep
, c
->prompt_buffer
[c
->prompt_index
]))
1209 /* Find the separator at the beginning of the word. */
1210 while (c
->prompt_index
!= 0) {
1212 if (strchr(wsep
, c
->prompt_buffer
[c
->prompt_index
])) {
1213 /* Go back to the word. */
1219 c
->flags
|= CLIENT_STATUS
;
1221 case MODEKEYEDIT_HISTORYUP
:
1222 histstr
= status_prompt_up_history(&c
->prompt_hindex
);
1223 if (histstr
== NULL
)
1225 xfree(c
->prompt_buffer
);
1226 c
->prompt_buffer
= xstrdup(histstr
);
1227 c
->prompt_index
= strlen(c
->prompt_buffer
);
1228 c
->flags
|= CLIENT_STATUS
;
1230 case MODEKEYEDIT_HISTORYDOWN
:
1231 histstr
= status_prompt_down_history(&c
->prompt_hindex
);
1232 if (histstr
== NULL
)
1234 xfree(c
->prompt_buffer
);
1235 c
->prompt_buffer
= xstrdup(histstr
);
1236 c
->prompt_index
= strlen(c
->prompt_buffer
);
1237 c
->flags
|= CLIENT_STATUS
;
1239 case MODEKEYEDIT_PASTE
:
1240 if ((pb
= paste_get_top(&global_buffers
)) == NULL
)
1242 for (n
= 0; n
< pb
->size
; n
++) {
1243 ch
= (u_char
) pb
->data
[n
];
1244 if (ch
< 32 || ch
== 127)
1248 c
->prompt_buffer
= xrealloc(c
->prompt_buffer
, 1, size
+ n
+ 1);
1249 if (c
->prompt_index
== size
) {
1250 memcpy(c
->prompt_buffer
+ c
->prompt_index
, pb
->data
, n
);
1251 c
->prompt_index
+= n
;
1252 c
->prompt_buffer
[c
->prompt_index
] = '\0';
1254 memmove(c
->prompt_buffer
+ c
->prompt_index
+ n
,
1255 c
->prompt_buffer
+ c
->prompt_index
,
1256 size
+ 1 - c
->prompt_index
);
1257 memcpy(c
->prompt_buffer
+ c
->prompt_index
, pb
->data
, n
);
1258 c
->prompt_index
+= n
;
1261 c
->flags
|= CLIENT_STATUS
;
1263 case MODEKEYEDIT_TRANSPOSECHARS
:
1264 idx
= c
->prompt_index
;
1268 swapc
= c
->prompt_buffer
[idx
- 2];
1269 c
->prompt_buffer
[idx
- 2] = c
->prompt_buffer
[idx
- 1];
1270 c
->prompt_buffer
[idx
- 1] = swapc
;
1271 c
->prompt_index
= idx
;
1272 c
->flags
|= CLIENT_STATUS
;
1275 case MODEKEYEDIT_ENTER
:
1276 if (*c
->prompt_buffer
!= '\0')
1277 status_prompt_add_history(c
->prompt_buffer
);
1278 if (c
->prompt_callbackfn(c
->prompt_data
, c
->prompt_buffer
) == 0)
1279 status_prompt_clear(c
);
1281 case MODEKEYEDIT_CANCEL
:
1282 if (c
->prompt_callbackfn(c
->prompt_data
, NULL
) == 0)
1283 status_prompt_clear(c
);
1286 if ((key
& 0xff00) != 0 || key
< 32 || key
== 127)
1288 c
->prompt_buffer
= xrealloc(c
->prompt_buffer
, 1, size
+ 2);
1290 if (c
->prompt_index
== size
) {
1291 c
->prompt_buffer
[c
->prompt_index
++] = key
;
1292 c
->prompt_buffer
[c
->prompt_index
] = '\0';
1294 memmove(c
->prompt_buffer
+ c
->prompt_index
+ 1,
1295 c
->prompt_buffer
+ c
->prompt_index
,
1296 size
+ 1 - c
->prompt_index
);
1297 c
->prompt_buffer
[c
->prompt_index
++] = key
;
1300 if (c
->prompt_flags
& PROMPT_SINGLE
) {
1301 if (c
->prompt_callbackfn(
1302 c
->prompt_data
, c
->prompt_buffer
) == 0)
1303 status_prompt_clear(c
);
1306 c
->flags
|= CLIENT_STATUS
;
1313 /* Get previous line from the history. */
1315 status_prompt_up_history(u_int
*idx
)
1320 * History runs from 0 to size - 1.
1322 * Index is from 0 to size. Zero is empty.
1325 size
= ARRAY_LENGTH(&status_prompt_history
);
1326 if (size
== 0 || *idx
== size
)
1329 return (ARRAY_ITEM(&status_prompt_history
, size
- *idx
));
1332 /* Get next line from the history. */
1334 status_prompt_down_history(u_int
*idx
)
1338 size
= ARRAY_LENGTH(&status_prompt_history
);
1339 if (size
== 0 || *idx
== 0)
1344 return (ARRAY_ITEM(&status_prompt_history
, size
- *idx
));
1347 /* Add line to the history. */
1349 status_prompt_add_history(const char *line
)
1353 size
= ARRAY_LENGTH(&status_prompt_history
);
1354 if (size
> 0 && strcmp(ARRAY_LAST(&status_prompt_history
), line
) == 0)
1357 if (size
== PROMPT_HISTORY
) {
1358 xfree(ARRAY_FIRST(&status_prompt_history
));
1359 ARRAY_REMOVE(&status_prompt_history
, 0);
1362 ARRAY_ADD(&status_prompt_history
, xstrdup(line
));
1365 /* Complete word. */
1367 status_prompt_complete(const char *s
)
1369 const struct cmd_entry
**cmdent
;
1370 const struct options_table_entry
*oe
;
1371 ARRAY_DECL(, const char *) list
;
1379 /* First, build a list of all the possible matches. */
1381 for (cmdent
= cmd_table
; *cmdent
!= NULL
; cmdent
++) {
1382 if (strncmp((*cmdent
)->name
, s
, strlen(s
)) == 0)
1383 ARRAY_ADD(&list
, (*cmdent
)->name
);
1385 for (oe
= server_options_table
; oe
->name
!= NULL
; oe
++) {
1386 if (strncmp(oe
->name
, s
, strlen(s
)) == 0)
1387 ARRAY_ADD(&list
, oe
->name
);
1389 for (oe
= session_options_table
; oe
->name
!= NULL
; oe
++) {
1390 if (strncmp(oe
->name
, s
, strlen(s
)) == 0)
1391 ARRAY_ADD(&list
, oe
->name
);
1393 for (oe
= window_options_table
; oe
->name
!= NULL
; oe
++) {
1394 if (strncmp(oe
->name
, s
, strlen(s
)) == 0)
1395 ARRAY_ADD(&list
, oe
->name
);
1398 /* If none, bail now. */
1399 if (ARRAY_LENGTH(&list
) == 0) {
1404 /* If an exact match, return it, with a trailing space. */
1405 if (ARRAY_LENGTH(&list
) == 1) {
1406 xasprintf(&s2
, "%s ", ARRAY_FIRST(&list
));
1411 /* Now loop through the list and find the longest common prefix. */
1412 prefix
= xstrdup(ARRAY_FIRST(&list
));
1413 for (i
= 1; i
< ARRAY_LENGTH(&list
); i
++) {
1414 s
= ARRAY_ITEM(&list
, i
);
1417 if (j
> strlen(prefix
))
1419 for (; j
> 0; j
--) {
1420 if (prefix
[j
- 1] != s
[j
- 1])
1421 prefix
[j
- 1] = '\0';