server-window.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
   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
  21 #include <event.h>
  22 #include <unistd.h>
  23
  24 #include "tmux.h"
  25
  26 int     server_window_check_bell(struct session *, struct winlink *);
  27 int     server_window_check_activity(struct session *, struct winlink *);
  28 int     server_window_check_silence(struct session *, struct winlink *);
  29 int     server_window_check_content(
  30             struct session *, struct winlink *, struct window_pane *);
  31 void    ring_bell(struct session *);
  32
  33 /* Window functions that need to happen every loop. */
  34 void
  35 server_window_loop(void)
  36 {
  37         struct window           *w;
  38         struct winlink          *wl;
  39         struct window_pane      *wp;
  40         struct session          *s;
  41         u_int                    i;
  42
  43         for (i = 0; i < ARRAY_LENGTH(&windows); i++) {
  44                 w = ARRAY_ITEM(&windows, i);
  45                 if (w == NULL)
  46                         continue;
  47
  48                 RB_FOREACH(s, sessions, &sessions) {
  49                         wl = session_has(s, w);
  50                         if (wl == NULL)
  51                                 continue;
  52
  53                         if (server_window_check_bell(s, wl) ||
  54                             server_window_check_activity(s, wl) ||
  55                             server_window_check_silence(s, wl))
  56                                 server_status_session(s);
  57                         TAILQ_FOREACH(wp, &w->panes, entry)
  58                                 server_window_check_content(s, wl, wp);
  59                 }
  60                 w->flags &= ~(WINDOW_BELL|WINDOW_ACTIVITY);
  61         }
  62 }
  63
  64 /* Check for bell in window. */
  65 int
  66 server_window_check_bell(struct session *s, struct winlink *wl)
  67 {
  68         struct client   *c;
  69         struct window   *w = wl->window;
  70         u_int            i;
  71         int              action, visual;
  72
  73         if (!(w->flags & WINDOW_BELL) || wl->flags & WINLINK_BELL)
  74                 return (0);
  75         if (s->curw != wl)
  76                 wl->flags |= WINLINK_BELL;
  77
  78         action = options_get_number(&s->options, "bell-action");
  79         switch (action) {
  80         case BELL_ANY:
  81                 if (s->flags & SESSION_UNATTACHED)
  82                         break;
  83                 visual = options_get_number(&s->options, "visual-bell");
  84                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
  85                         c = ARRAY_ITEM(&clients, i);
  86                         if (c == NULL || c->session != s)
  87                                 continue;
  88                         if (!visual) {
  89                                 tty_bell(&c->tty);
  90                                 continue;
  91                         }
  92                         if (c->session->curw->window == w) {
  93                                 status_message_set(c, "Bell in current window");
  94                                 continue;
  95                         }
  96                         status_message_set(c, "Bell in window %u",
  97                             winlink_find_by_window(&s->windows, w)->idx);
  98                 }
  99                 break;
 100         case BELL_CURRENT:
 101                 if (s->flags & SESSION_UNATTACHED)
 102                         break;
 103                 visual = options_get_number(&s->options, "visual-bell");
 104                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 105                         c = ARRAY_ITEM(&clients, i);
 106                         if (c == NULL || c->session != s)
 107                                 continue;
 108                         if (c->session->curw->window != w)
 109                                 continue;
 110                         if (!visual) {
 111                                 tty_bell(&c->tty);
 112                                 continue;
 113                         }
 114                         status_message_set(c, "Bell in current window");
 115                 }
 116                 break;
 117         }
 118
 119         return (1);
 120 }
 121
 122 /* Check for activity in window. */
 123 int
 124 server_window_check_activity(struct session *s, struct winlink *wl)
 125 {
 126         struct client   *c;
 127         struct window   *w = wl->window;
 128         u_int            i;
 129
 130         if (!(w->flags & WINDOW_ACTIVITY) || wl->flags & WINLINK_ACTIVITY)
 131                 return (0);
 132         if (s->curw == wl)
 133                 return (0);
 134
 135         if (!options_get_number(&w->options, "monitor-activity"))
 136                 return (0);
 137
 138         if (options_get_number(&s->options, "bell-on-alert"))
 139                 ring_bell(s);
 140         wl->flags |= WINLINK_ACTIVITY;
 141
 142         if (options_get_number(&s->options, "visual-activity")) {
 143                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 144                         c = ARRAY_ITEM(&clients, i);
 145                         if (c == NULL || c->session != s)
 146                                 continue;
 147                         status_message_set(c, "Activity in window %u",
 148                             winlink_find_by_window(&s->windows, w)->idx);
 149                 }
 150         }
 151
 152         return (1);
 153 }
 154
 155 /* Check for silence in window. */
 156 int
 157 server_window_check_silence(struct session *s, struct winlink *wl)
 158 {
 159         struct client   *c;
 160         struct window   *w = wl->window;
 161         struct timeval   timer;
 162         u_int            i;
 163         int              silence_interval, timer_difference;
 164
 165         if (!(w->flags & WINDOW_SILENCE) || wl->flags & WINLINK_SILENCE)
 166                 return (0);
 167
 168         if (s->curw == wl) {
 169                 /*
 170                  * Reset the timer for this window if we've focused it.  We
 171                  * don't want the timer tripping as soon as we've switched away
 172                  * from this window.
 173                  */
 174                 if (gettimeofday(&w->silence_timer, NULL) != 0)
 175                         fatal("gettimeofday failed.");
 176
 177                 return (0);
 178         }
 179
 180         silence_interval = options_get_number(&w->options, "monitor-silence");
 181         if (silence_interval == 0)
 182                 return (0);
 183
 184         if (gettimeofday(&timer, NULL) != 0)
 185                 fatal("gettimeofday");
 186         timer_difference = timer.tv_sec - w->silence_timer.tv_sec;
 187         if (timer_difference <= silence_interval)
 188                 return (0);
 189
 190         if (options_get_number(&s->options, "bell-on-alert"))
 191                 ring_bell(s);
 192         wl->flags |= WINLINK_SILENCE;
 193
 194         if (options_get_number(&s->options, "visual-silence")) {
 195                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 196                         c = ARRAY_ITEM(&clients, i);
 197                         if (c == NULL || c->session != s)
 198                                 continue;
 199                         status_message_set(c, "Silence in window %u",
 200                             winlink_find_by_window(&s->windows, w)->idx);
 201                 }
 202         }
 203
 204         return (1);
 205 }
 206
 207 /* Check for content change in window. */
 208 int
 209 server_window_check_content(
 210     struct session *s, struct winlink *wl, struct window_pane *wp)
 211 {
 212         struct client   *c;
 213         struct window   *w = wl->window;
 214         u_int            i;
 215         char            *found, *ptr;
 216
 217         /* Activity flag must be set for new content. */
 218         if (!(w->flags & WINDOW_ACTIVITY) || wl->flags & WINLINK_CONTENT)
 219                 return (0);
 220         if (s->curw == wl)
 221                 return (0);
 222
 223         ptr = options_get_string(&w->options, "monitor-content");
 224         if (ptr == NULL || *ptr == '\0')
 225                 return (0);
 226         if ((found = window_pane_search(wp, ptr, NULL)) == NULL)
 227                 return (0);
 228         xfree(found);
 229
 230         if (options_get_number(&s->options, "bell-on-alert"))
 231                 ring_bell(s);
 232         wl->flags |= WINLINK_CONTENT;
 233
 234         if (options_get_number(&s->options, "visual-content")) {
 235                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 236                         c = ARRAY_ITEM(&clients, i);
 237                         if (c == NULL || c->session != s)
 238                                 continue;
 239                         status_message_set(c, "Content in window %u",
 240                             winlink_find_by_window(&s->windows, w)->idx);
 241                 }
 242         }
 243
 244         return (1);
 245 }
 246
 247 /* Ring terminal bell. */
 248 void
 249 ring_bell(struct session *s)
 250 {
 251         struct client   *c;
 252         u_int            i;
 253
 254         for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 255                 c = ARRAY_ITEM(&clients, i);
 256                 if (c != NULL && c->session == s)
 257                         tty_bell(&c->tty);
 258         }
 259 }