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_backoff(struct window_pane *);
  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
  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_putcode(&c->tty, TTYC_BEL);
  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_putcode(&c->tty, TTYC_BEL);
 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         wl->flags |= WINLINK_ACTIVITY;
 139
 140         if (options_get_number(&s->options, "visual-activity")) {
 141                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 142                         c = ARRAY_ITEM(&clients, i);
 143                         if (c == NULL || c->session != s)
 144                                 continue;
 145                         status_message_set(c, "Activity in window %u",
 146                             winlink_find_by_window(&s->windows, w)->idx);
 147                 }
 148         }
 149
 150         return (1);
 151 }
 152
 153 /* Check for silence in window. */
 154 int
 155 server_window_check_silence(struct session *s, struct winlink *wl)
 156 {
 157         struct client   *c;
 158         struct window   *w = wl->window;
 159         struct timeval   timer;
 160         u_int            i;
 161         int              silence_interval, timer_difference;
 162
 163         if (!(w->flags & WINDOW_SILENCE) || wl->flags & WINLINK_SILENCE)
 164                 return (0);
 165
 166         if (s->curw == wl) {
 167                 /*
 168                  * Reset the timer for this window if we've focused it.  We
 169                  * don't want the timer tripping as soon as we've switched away
 170                  * from this window.
 171                  */
 172                 if (gettimeofday(&w->silence_timer, NULL) != 0)
 173                         fatal("gettimeofday failed.");
 174
 175                 return (0);
 176         }
 177
 178         silence_interval = options_get_number(&w->options, "monitor-silence");
 179         if (silence_interval == 0)
 180                 return (0);
 181
 182         if (gettimeofday(&timer, NULL) != 0)
 183                 fatal("gettimeofday");
 184         timer_difference = timer.tv_sec - w->silence_timer.tv_sec;
 185         if (timer_difference <= silence_interval)
 186                 return (0);
 187         wl->flags |= WINLINK_SILENCE;
 188
 189         if (options_get_number(&s->options, "visual-silence")) {
 190                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 191                         c = ARRAY_ITEM(&clients, i);
 192                         if (c == NULL || c->session != s)
 193                                 continue;
 194                         status_message_set(c, "Silence in window %u",
 195                             winlink_find_by_window(&s->windows, w)->idx);
 196                 }
 197         }
 198
 199         return (1);
 200 }
 201
 202 /* Check for content change in window. */
 203 int
 204 server_window_check_content(
 205     struct session *s, struct winlink *wl, struct window_pane *wp)
 206 {
 207         struct client   *c;
 208         struct window   *w = wl->window;
 209         u_int            i;
 210         char            *found, *ptr;
 211
 212         /* Activity flag must be set for new content. */
 213         if (!(w->flags & WINDOW_ACTIVITY) || wl->flags & WINLINK_CONTENT)
 214                 return (0);
 215         if (s->curw == wl)
 216                 return (0);
 217
 218         ptr = options_get_string(&w->options, "monitor-content");
 219         if (ptr == NULL || *ptr == '\0')
 220                 return (0);
 221         if ((found = window_pane_search(wp, ptr, NULL)) == NULL)
 222                 return (0);
 223         xfree(found);
 224
 225         wl->flags |= WINLINK_CONTENT;
 226
 227         if (options_get_number(&s->options, "visual-content")) {
 228                 for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 229                         c = ARRAY_ITEM(&clients, i);
 230                         if (c == NULL || c->session != s)
 231                                 continue;
 232                         status_message_set(c, "Content in window %u",
 233                             winlink_find_by_window(&s->windows, w)->idx);
 234                 }
 235         }
 236
 237         return (1);
 238 }