4 This file is part of PulseAudio.
6 Copyright 2004-2006 Lennart Poettering
8 PulseAudio is free software; you can redistribute it and/or modify
9 it under the terms of the GNU Lesser General Public License as published
10 by the Free Software Foundation; either version 2 of the License,
11 or (at your option) any later version.
13 PulseAudio is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with PulseAudio; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
33 #include <X11/XKBlib.h>
35 #include <pulse/xmalloc.h>
37 #include <pulsecore/iochannel.h>
38 #include <pulsecore/sink.h>
39 #include <pulsecore/core-scache.h>
40 #include <pulsecore/modargs.h>
41 #include <pulsecore/namereg.h>
42 #include <pulsecore/log.h>
43 #include <pulsecore/x11wrap.h>
45 #include "module-x11-bell-symdef.h"
47 PA_MODULE_AUTHOR("Lennart Poettering");
48 PA_MODULE_DESCRIPTION("X11 Bell interceptor");
49 PA_MODULE_VERSION(PACKAGE_VERSION);
50 PA_MODULE_LOAD_ONCE(FALSE);
51 PA_MODULE_USAGE("sink=<sink to connect to> sample=<sample name> display=<X11 display>");
59 pa_x11_wrapper *x11_wrapper;
60 pa_x11_client *x11_client;
63 static const char* const valid_modargs[] = {
70 static int x11_event_callback(pa_x11_wrapper *w, XEvent *e, void *userdata) {
71 XkbBellNotifyEvent *bne;
72 struct userdata *u = userdata;
77 pa_assert(u->x11_wrapper == w);
79 if (((XkbEvent*) e)->any.xkb_type != XkbBellNotify)
82 bne = (XkbBellNotifyEvent*) e;
84 if (pa_scache_play_item_by_name(u->core, u->scache_item, u->sink_name, TRUE, (bne->percent*PA_VOLUME_NORM)/100, NULL, NULL) < 0) {
85 pa_log_info("Ringing bell failed, reverting to X11 device bell.");
86 XkbForceDeviceBell(pa_x11_wrapper_get_display(w), bne->device, bne->bell_class, bne->bell_id, bne->percent);
92 int pa__init(pa_module*m) {
94 struct userdata *u = NULL;
95 pa_modargs *ma = NULL;
97 unsigned int auto_ctrls, auto_values;
101 if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
102 pa_log("Failed to parse module arguments");
106 m->userdata = u = pa_xnew(struct userdata, 1);
108 u->scache_item = pa_xstrdup(pa_modargs_get_value(ma, "sample", "x11-bell"));
109 u->sink_name = pa_xstrdup(pa_modargs_get_value(ma, "sink", NULL));
110 u->x11_client = NULL;
112 if (!(u->x11_wrapper = pa_x11_wrapper_get(m->core, pa_modargs_get_value(ma, "display", NULL))))
115 major = XkbMajorVersion;
116 minor = XkbMinorVersion;
118 if (!XkbLibraryVersion(&major, &minor)) {
119 pa_log("XkbLibraryVersion() failed");
123 major = XkbMajorVersion;
124 minor = XkbMinorVersion;
126 if (!XkbQueryExtension(pa_x11_wrapper_get_display(u->x11_wrapper), NULL, &u->xkb_event_base, NULL, &major, &minor)) {
127 pa_log("XkbQueryExtension() failed");
131 XkbSelectEvents(pa_x11_wrapper_get_display(u->x11_wrapper), XkbUseCoreKbd, XkbBellNotifyMask, XkbBellNotifyMask);
132 auto_ctrls = auto_values = XkbAudibleBellMask;
133 XkbSetAutoResetControls(pa_x11_wrapper_get_display(u->x11_wrapper), XkbAudibleBellMask, &auto_ctrls, &auto_values);
134 XkbChangeEnabledControls(pa_x11_wrapper_get_display(u->x11_wrapper), XkbUseCoreKbd, XkbAudibleBellMask, 0);
136 u->x11_client = pa_x11_client_new(u->x11_wrapper, x11_event_callback, u);
151 void pa__done(pa_module*m) {
161 pa_xfree(u->scache_item);
162 pa_xfree(u->sink_name);
165 pa_x11_client_free(u->x11_client);
168 pa_x11_wrapper_unref(u->x11_wrapper);