Annotation of src/usr.bin/tmux/alerts.c, Revision 1.24
1.24 ! nicm 1: /* $OpenBSD: alerts.c,v 1.23 2017/08/16 11:46:08 nicm Exp $ */
1.1 nicm 2:
3: /*
1.10 nicm 4: * Copyright (c) 2015 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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>
1.14 nicm 22: #include <stdlib.h>
1.1 nicm 23:
24: #include "tmux.h"
25:
1.12 nicm 26: static int alerts_fired;
1.1 nicm 27:
1.12 nicm 28: static void alerts_timer(int, short, void *);
29: static int alerts_enabled(struct window *, int);
30: static void alerts_callback(int, short, void *);
31: static void alerts_reset(struct window *);
32:
1.14 nicm 33: static int alerts_check_all(struct window *);
34: static int alerts_check_bell(struct window *);
35: static int alerts_check_activity(struct window *);
36: static int alerts_check_silence(struct window *);
1.21 nicm 37: static void alerts_set_message(struct session *, struct window *,
38: struct winlink *, const char *, int, int);
1.1 nicm 39:
1.14 nicm 40: static TAILQ_HEAD(, window) alerts_list = TAILQ_HEAD_INITIALIZER(alerts_list);
41:
1.12 nicm 42: static void
1.5 nicm 43: alerts_timer(__unused int fd, __unused short events, void *arg)
1.1 nicm 44: {
45: struct window *w = arg;
46:
47: log_debug("@%u alerts timer expired", w->id);
48: alerts_queue(w, WINDOW_SILENCE);
49: }
50:
1.12 nicm 51: static void
1.5 nicm 52: alerts_callback(__unused int fd, __unused short events, __unused void *arg)
1.1 nicm 53: {
1.14 nicm 54: struct window *w, *w1;
55: int alerts;
1.1 nicm 56:
1.14 nicm 57: TAILQ_FOREACH_SAFE(w, &alerts_list, alerts_entry, w1) {
58: alerts = alerts_check_all(w);
59: log_debug("@%u alerts check, alerts %#x", w->id, alerts);
60:
61: w->alerts_queued = 0;
62: TAILQ_REMOVE(&alerts_list, w, alerts_entry);
1.16 nicm 63:
64: w->flags &= ~WINDOW_ALERTFLAGS;
1.19 nicm 65: window_remove_ref(w, __func__);
1.1 nicm 66: }
67: alerts_fired = 0;
68: }
69:
1.12 nicm 70: static int
1.14 nicm 71: alerts_check_all(struct window *w)
1.8 nicm 72: {
73: int alerts;
74:
1.14 nicm 75: alerts = alerts_check_bell(w);
76: alerts |= alerts_check_activity(w);
77: alerts |= alerts_check_silence(w);
1.8 nicm 78: return (alerts);
79: }
80:
81: void
82: alerts_check_session(struct session *s)
83: {
84: struct winlink *wl;
85:
86: RB_FOREACH(wl, winlinks, &s->windows)
1.14 nicm 87: alerts_check_all(wl->window);
1.8 nicm 88: }
89:
1.12 nicm 90: static int
1.1 nicm 91: alerts_enabled(struct window *w, int flags)
92: {
1.24 ! nicm 93: if (flags & WINDOW_BELL) {
! 94: if (options_get_number(w->options, "monitor-bell"))
! 95: return (1);
! 96: }
1.1 nicm 97: if (flags & WINDOW_ACTIVITY) {
1.4 nicm 98: if (options_get_number(w->options, "monitor-activity"))
1.1 nicm 99: return (1);
100: }
101: if (flags & WINDOW_SILENCE) {
1.4 nicm 102: if (options_get_number(w->options, "monitor-silence") != 0)
1.1 nicm 103: return (1);
104: }
105: return (0);
106: }
107:
108: void
109: alerts_reset_all(void)
110: {
111: struct window *w;
112:
113: RB_FOREACH(w, windows, &windows)
114: alerts_reset(w);
115: }
116:
1.12 nicm 117: static void
1.1 nicm 118: alerts_reset(struct window *w)
119: {
120: struct timeval tv;
121:
122: w->flags &= ~WINDOW_SILENCE;
123: event_del(&w->alerts_timer);
124:
125: timerclear(&tv);
1.4 nicm 126: tv.tv_sec = options_get_number(w->options, "monitor-silence");
1.1 nicm 127:
128: log_debug("@%u alerts timer reset %u", w->id, (u_int)tv.tv_sec);
129: if (tv.tv_sec != 0)
130: event_add(&w->alerts_timer, &tv);
131: }
132:
133: void
134: alerts_queue(struct window *w, int flags)
135: {
1.22 nicm 136: alerts_reset(w);
1.3 nicm 137:
1.1 nicm 138: if (!event_initialized(&w->alerts_timer))
139: evtimer_set(&w->alerts_timer, alerts_timer, w);
140:
1.11 nicm 141: if ((w->flags & flags) != flags) {
1.6 nicm 142: w->flags |= flags;
143: log_debug("@%u alerts flags added %#x", w->id, flags);
1.11 nicm 144: }
1.6 nicm 145:
1.18 nicm 146: if (alerts_enabled(w, flags)) {
147: if (!w->alerts_queued) {
148: w->alerts_queued = 1;
149: TAILQ_INSERT_TAIL(&alerts_list, w, alerts_entry);
1.19 nicm 150: window_add_ref(w, __func__);
1.18 nicm 151: }
152:
153: if (!alerts_fired) {
154: log_debug("alerts check queued (by @%u)", w->id);
155: event_once(-1, EV_TIMEOUT, alerts_callback, NULL, NULL);
156: alerts_fired = 1;
157: }
1.1 nicm 158: }
159: }
160:
1.12 nicm 161: static int
1.14 nicm 162: alerts_check_bell(struct window *w)
1.1 nicm 163: {
1.14 nicm 164: struct winlink *wl;
165: struct session *s;
1.1 nicm 166:
1.14 nicm 167: if (~w->flags & WINDOW_BELL)
1.24 ! nicm 168: return (0);
! 169: if (!options_get_number(w->options, "monitor-bell"))
1.1 nicm 170: return (0);
171:
1.14 nicm 172: TAILQ_FOREACH(wl, &w->winlinks, wentry)
173: wl->session->flags &= ~SESSION_ALERTED;
1.1 nicm 174:
1.14 nicm 175: TAILQ_FOREACH(wl, &w->winlinks, wentry) {
176: if (wl->flags & WINLINK_BELL)
1.1 nicm 177: continue;
1.14 nicm 178: s = wl->session;
179: if (s->curw != wl) {
180: wl->flags |= WINLINK_BELL;
1.17 nicm 181: notify_winlink("alert-bell", wl);
1.14 nicm 182: }
183:
184: if (s->flags & SESSION_ALERTED)
1.1 nicm 185: continue;
1.14 nicm 186: s->flags |= SESSION_ALERTED;
187:
1.21 nicm 188: alerts_set_message(s, w, wl, "Bell",
189: options_get_number(s->options, "bell-action"),
190: options_get_number(s->options, "visual-bell"));
1.1 nicm 191: }
192:
193: return (WINDOW_BELL);
194: }
195:
1.12 nicm 196: static int
1.14 nicm 197: alerts_check_activity(struct window *w)
1.1 nicm 198: {
1.14 nicm 199: struct winlink *wl;
200: struct session *s;
1.1 nicm 201:
1.14 nicm 202: if (~w->flags & WINDOW_ACTIVITY)
1.1 nicm 203: return (0);
1.4 nicm 204: if (!options_get_number(w->options, "monitor-activity"))
1.1 nicm 205: return (0);
206:
1.14 nicm 207: TAILQ_FOREACH(wl, &w->winlinks, wentry)
208: wl->session->flags &= ~SESSION_ALERTED;
1.1 nicm 209:
1.14 nicm 210: TAILQ_FOREACH(wl, &w->winlinks, wentry) {
211: if (wl->flags & WINLINK_ACTIVITY)
212: continue;
213: s = wl->session;
1.21 nicm 214: if (s->curw != wl) {
215: wl->flags |= WINLINK_ACTIVITY;
216: notify_winlink("alert-activity", wl);
217: }
1.14 nicm 218:
219: if (s->flags & SESSION_ALERTED)
220: continue;
221: s->flags |= SESSION_ALERTED;
222:
1.21 nicm 223: alerts_set_message(s, w, wl, "Activity",
224: options_get_number(s->options, "activity-action"),
225: options_get_number(s->options, "visual-activity"));
1.1 nicm 226: }
227:
228: return (WINDOW_ACTIVITY);
229: }
230:
1.12 nicm 231: static int
1.14 nicm 232: alerts_check_silence(struct window *w)
1.1 nicm 233: {
1.14 nicm 234: struct winlink *wl;
235: struct session *s;
1.1 nicm 236:
1.14 nicm 237: if (~w->flags & WINDOW_SILENCE)
1.1 nicm 238: return (0);
1.21 nicm 239: if (options_get_number(w->options, "monitor-silence") == 0)
1.1 nicm 240: return (0);
241:
1.14 nicm 242: TAILQ_FOREACH(wl, &w->winlinks, wentry)
243: wl->session->flags &= ~SESSION_ALERTED;
244:
245: TAILQ_FOREACH(wl, &w->winlinks, wentry) {
246: if (wl->flags & WINLINK_SILENCE)
247: continue;
248: s = wl->session;
1.21 nicm 249: if (s->curw != wl) {
250: wl->flags |= WINLINK_SILENCE;
251: notify_winlink("alert-silence", wl);
252: }
1.14 nicm 253:
254: if (s->flags & SESSION_ALERTED)
255: continue;
256: s->flags |= SESSION_ALERTED;
1.1 nicm 257:
1.21 nicm 258: alerts_set_message(s, w, wl, "Silence",
259: options_get_number(s->options, "silence-action"),
260: options_get_number(s->options, "visual-silence"));
1.1 nicm 261: }
262:
263: return (WINDOW_SILENCE);
1.14 nicm 264: }
265:
266: static void
1.21 nicm 267: alerts_set_message(struct session *s, struct window *w, struct winlink *wl,
268: const char *type, int action, int visual)
1.14 nicm 269: {
270: struct client *c;
1.21 nicm 271: int flag;
1.14 nicm 272:
1.21 nicm 273: /*
1.23 nicm 274: * We have found an alert (bell, activity or silence), so we need to
275: * pass it on to the user. For each client attached to this session,
1.21 nicm 276: * decide whether a bell (or visual message) is needed.
277: *
1.23 nicm 278: * {bell,activity,silence}-action determines when we alert: none means
1.21 nicm 279: * nothing happens, current means we only do something for the current
280: * window and other means only for windows other than the current.
281: *
282: * If visual-{bell,activity,silence} is on, then a message is
283: * substituted for a bell; if it is off, a bell is sent as normal; both
284: * mean both a bell and visual message is sent.
285: */
1.14 nicm 286:
1.23 nicm 287: if (action == ALERT_NONE)
1.21 nicm 288: return;
1.14 nicm 289: TAILQ_FOREACH(c, &clients, entry) {
1.21 nicm 290: if (c->session != s || c->flags & CLIENT_CONTROL)
291: continue;
292: flag = 0;
1.23 nicm 293: if (action == ALERT_ANY)
1.21 nicm 294: flag = 1;
1.23 nicm 295: else if (action == ALERT_CURRENT)
1.21 nicm 296: flag = (c->session->curw->window == w);
1.23 nicm 297: else if (action == ALERT_OTHER)
1.21 nicm 298: flag = (c->session->curw->window != w);
299: if (!flag)
300: continue;
1.1 nicm 301:
1.21 nicm 302: if (visual == VISUAL_OFF || visual == VISUAL_BOTH)
1.2 nicm 303: tty_putcode(&c->tty, TTYC_BEL);
1.21 nicm 304: if (visual == VISUAL_OFF)
305: continue;
306: if (c->session->curw->window == w)
307: status_message_set(c, "%s in current window", type);
308: else
309: status_message_set(c, "%s in window %d", type, wl->idx);
1.1 nicm 310: }
311: }
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