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