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
34 #include <X11/XKBlib.h>
36 #include <pulse/xmalloc.h>
38 #include <pulsecore/iochannel.h>
39 #include <pulsecore/sink.h>
40 #include <pulsecore/core-scache.h>
41 #include <pulsecore/modargs.h>
42 #include <pulsecore/namereg.h>
43 #include <pulsecore/log.h>
44 #include <pulsecore/x11wrap.h>
46 #include "module-x11-bell-symdef.h"
48 PA_MODULE_AUTHOR("Lennart Poettering")
49 PA_MODULE_DESCRIPTION("X11 Bell interceptor")
50 PA_MODULE_VERSION(PACKAGE_VERSION)
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 ring_bell(struct userdata *u, int percent) {
74 if (!(s = pa_namereg_get(u->core, u->sink_name, PA_NAMEREG_SINK, 1))) {
75 pa_log("Invalid sink: %s", u->sink_name);
79 pa_scache_play_item(u->core, u->scache_item, s, (percent*PA_VOLUME_NORM)/100);
83 static int x11_event_callback(pa_x11_wrapper *w, XEvent *e, void *userdata) {
84 XkbBellNotifyEvent *bne;
85 struct userdata *u = userdata;
86 assert(w && e && u && u->x11_wrapper == w);
88 if (((XkbEvent*) e)->any.xkb_type != XkbBellNotify)
91 bne = (XkbBellNotifyEvent*) e;
93 if (ring_bell(u, bne->percent) < 0) {
94 pa_log_info("Ringing bell failed, reverting to X11 device bell.");
95 XkbForceDeviceBell(pa_x11_wrapper_get_display(w), bne->device, bne->bell_class, bne->bell_id, bne->percent);
101 int pa__init(pa_core *c, pa_module*m) {
102 struct userdata *u = NULL;
103 pa_modargs *ma = NULL;
105 unsigned int auto_ctrls, auto_values;
108 if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
109 pa_log("failed to parse module arguments");
113 m->userdata = u = pa_xmalloc(sizeof(struct userdata));
115 u->scache_item = pa_xstrdup(pa_modargs_get_value(ma, "sample", "x11-bell"));
116 u->sink_name = pa_xstrdup(pa_modargs_get_value(ma, "sink", NULL));
117 u->x11_client = NULL;
119 if (!(u->x11_wrapper = pa_x11_wrapper_get(c, pa_modargs_get_value(ma, "display", NULL))))
122 major = XkbMajorVersion;
123 minor = XkbMinorVersion;
125 if (!XkbLibraryVersion(&major, &minor)) {
126 pa_log("XkbLibraryVersion() failed");
130 major = XkbMajorVersion;
131 minor = XkbMinorVersion;
134 if (!XkbQueryExtension(pa_x11_wrapper_get_display(u->x11_wrapper), NULL, &u->xkb_event_base, NULL, &major, &minor)) {
135 pa_log("XkbQueryExtension() failed");
139 XkbSelectEvents(pa_x11_wrapper_get_display(u->x11_wrapper), XkbUseCoreKbd, XkbBellNotifyMask, XkbBellNotifyMask);
140 auto_ctrls = auto_values = XkbAudibleBellMask;
141 XkbSetAutoResetControls(pa_x11_wrapper_get_display(u->x11_wrapper), XkbAudibleBellMask, &auto_ctrls, &auto_values);
142 XkbChangeEnabledControls(pa_x11_wrapper_get_display(u->x11_wrapper), XkbUseCoreKbd, XkbAudibleBellMask, 0);
144 u->x11_client = pa_x11_client_new(u->x11_wrapper, x11_event_callback, u);
158 void pa__done(pa_core *c, pa_module*m) {
159 struct userdata *u = m->userdata;
162 pa_xfree(u->scache_item);
163 pa_xfree(u->sink_name);
166 pa_x11_client_free(u->x11_client);
169 pa_x11_wrapper_unref(u->x11_wrapper);