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                         if (!(s->flags & SESSION_UNATTACHED))
  61                                 w->flags &= ~(WINDOW_BELL|WINDOW_ACTIVITY);
  62                 }
  63         }
  64 }
  65
  66 /* Check for bell in window. */
  67 int
  68 server_window_check_bell(struct session *s, struct winlink *wl)
  69 {
  70         struct client   *c;
  71         struct window   *w = wl->window;
  72         u_int            i;
  73         int              action, visual;
  74
  75         if (!(w->flags & WINDOW_BELL) || wl->flags & WINLINK_BELL)
  76                 return (0);
  77         if (s->curw != wl || s->flags & SESSION_UNATTACHED)
  78                 wl->flags |= WINLINK_BELL;
  79
  80         action = options_get_number(&s->options, "bell-action");
  81         switch (action) {
  82         case BELL_ANY:
  83                 if (s->flags & SESSION_UNATTACHED)
  84                         break;
  85                 visual = options_get_number(&s->options, "visual-bell");
  86                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
  87                         c = ARRAY_ITEM(&clients, i);
  88                         if (c == NULL || c->session != s)
  89                                 continue;
  90                         if (!visual) {
  91                                 tty_bell(&c->tty);
  92                                 continue;
  93                         }
  94                         if (c->session->curw->window == w) {
  95                                 status_message_set(c, "Bell in current window");
  96                                 continue;
  97                         }
  98                         status_message_set(c, "Bell in window %u",
  99                             winlink_find_by_window(&s->windows, w)->idx);
 100                 }
 101                 break;
 102         case BELL_CURRENT:
 103                 if (s->flags & SESSION_UNATTACHED)
 104                         break;
 105                 visual = options_get_number(&s->options, "visual-bell");
 106                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 107                         c = ARRAY_ITEM(&clients, i);
 108                         if (c == NULL || c->session != s)
 109                                 continue;
 110                         if (c->session->curw->window != w)
 111                                 continue;
 112                         if (!visual) {
 113                                 tty_bell(&c->tty);
 114                                 continue;
 115                         }
 116                         status_message_set(c, "Bell in current window");
 117                 }
 118                 break;
 119         }
 120
 121         return (1);
 122 }
 123
 124 /* Check for activity in window. */
 125 int
 126 server_window_check_activity(struct session *s, struct winlink *wl)
 127 {
 128         struct client   *c;
 129         struct window   *w = wl->window;
 130         u_int            i;
 131
 132         if (!(w->flags & WINDOW_ACTIVITY) || wl->flags & WINLINK_ACTIVITY)
 133                 return (0);
 134         if (s->curw == wl && !(s->flags & SESSION_UNATTACHED))
 135                 return (0);
 136
 137         if (!options_get_number(&w->options, "monitor-activity"))
 138                 return (0);
 139
 140         if (options_get_number(&s->options, "bell-on-alert"))
 141                 ring_bell(s);
 142         wl->flags |= WINLINK_ACTIVITY;
 143
 144         if (options_get_number(&s->options, "visual-activity")) {
 145                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 146                         c = ARRAY_ITEM(&clients, i);
 147                         if (c == NULL || c->session != s)
 148                                 continue;
 149                         status_message_set(c, "Activity in window %u",
 150                             winlink_find_by_window(&s->windows, w)->idx);
 151                 }
 152         }
 153
 154         return (1);
 155 }
 156
 157 /* Check for silence in window. */
 158 int
 159 server_window_check_silence(struct session *s, struct winlink *wl)
 160 {
 161         struct client   *c;
 162         struct window   *w = wl->window;
 163         struct timeval   timer;
 164         u_int            i;
 165         int              silence_interval, timer_difference;
 166
 167         if (!(w->flags & WINDOW_SILENCE) || wl->flags & WINLINK_SILENCE)
 168                 return (0);
 169
 170         if (s->curw == wl && !(s->flags & SESSION_UNATTACHED)) {
 171                 /*
 172                  * Reset the timer for this window if we've focused it.  We
 173                  * don't want the timer tripping as soon as we've switched away
 174                  * from this window.
 175                  */
 176                 if (gettimeofday(&w->silence_timer, NULL) != 0)
 177                         fatal("gettimeofday failed.");
 178
 179                 return (0);
 180         }
 181
 182         silence_interval = options_get_number(&w->options, "monitor-silence");
 183         if (silence_interval == 0)
 184                 return (0);
 185
 186         if (gettimeofday(&timer, NULL) != 0)
 187                 fatal("gettimeofday");
 188         timer_difference = timer.tv_sec - w->silence_timer.tv_sec;
 189         if (timer_difference <= silence_interval)
 190                 return (0);
 191
 192         if (options_get_number(&s->options, "bell-on-alert"))
 193                 ring_bell(s);
 194         wl->flags |= WINLINK_SILENCE;
 195
 196         if (options_get_number(&s->options, "visual-silence")) {
 197                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 198                         c = ARRAY_ITEM(&clients, i);
 199                         if (c == NULL || c->session != s)
 200                                 continue;
 201                         status_message_set(c, "Silence in window %u",
 202                             winlink_find_by_window(&s->windows, w)->idx);
 203                 }
 204         }
 205
 206         return (1);
 207 }
 208
 209 /* Check for content change in window. */
 210 int
 211 server_window_check_content(
 212     struct session *s, struct winlink *wl, struct window_pane *wp)
 213 {
 214         struct client   *c;
 215         struct window   *w = wl->window;
 216         u_int            i;
 217         char            *found, *ptr;
 218
 219         /* Activity flag must be set for new content. */
 220         if (!(w->flags & WINDOW_ACTIVITY) || wl->flags & WINLINK_CONTENT)
 221                 return (0);
 222         if (s->curw == wl && !(s->flags & SESSION_UNATTACHED))
 223                 return (0);
 224
 225         ptr = options_get_string(&w->options, "monitor-content");
 226         if (ptr == NULL || *ptr == '\0')
 227                 return (0);
 228         if ((found = window_pane_search(wp, ptr, NULL)) == NULL)
 229                 return (0);
 230         xfree(found);
 231
 232         if (options_get_number(&s->options, "bell-on-alert"))
 233                 ring_bell(s);
 234         wl->flags |= WINLINK_CONTENT;
 235
 236         if (options_get_number(&s->options, "visual-content")) {
 237                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 238                         c = ARRAY_ITEM(&clients, i);
 239                         if (c == NULL || c->session != s)
 240                                 continue;
 241                         status_message_set(c, "Content in window %u",
 242                             winlink_find_by_window(&s->windows, w)->idx);
 243                 }
 244         }
 245
 246         return (1);
 247 }
 248
 249 /* Ring terminal bell. */
 250 void
 251 ring_bell(struct session *s)
 252 {
 253         struct client   *c;
 254         u_int            i;
 255
 256         for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 257                 c = ARRAY_ITEM(&clients, i);
 258                 if (c != NULL && c->session == s)
 259                         tty_bell(&c->tty);
 260         }
 261 }