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