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