Adding upstream version 14.2.upstream/14.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 193 insertions, 0 deletions

diff --git a/src/modules/x11/module-x11-bell.c b/src/modules/x11/module-x11-bell.c
new file mode 100644
index 0000000..eab1e6c
--- /dev/null
+++ b/src/modules/x11/module-x11-bell.c
@@ -0,0 +1,193 @@
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2004-2006 Lennart Poettering
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as published
+  by the Free Software Foundation; either version 2.1 of the License,
+  or (at your option) any later version.
+
+  PulseAudio is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <X11/Xlib.h>
+#include <X11/XKBlib.h>
+
+#include <pulse/xmalloc.h>
+
+#include <pulsecore/core-scache.h>
+#include <pulsecore/modargs.h>
+#include <pulsecore/log.h>
+#include <pulsecore/x11wrap.h>
+
+PA_MODULE_AUTHOR("Lennart Poettering");
+PA_MODULE_DESCRIPTION("X11 bell interceptor");
+PA_MODULE_VERSION(PACKAGE_VERSION);
+PA_MODULE_LOAD_ONCE(false);
+PA_MODULE_USAGE("sink=<sink to connect to> sample=<sample name> display=<X11 display>");
+
+static const char* const valid_modargs[] = {
+    "sink",
+    "sample",
+    "display",
+    "xauthority",
+    NULL
+};
+
+struct userdata {
+    pa_core *core;
+    pa_module *module;
+
+    int xkb_event_base;
+
+    char *sink_name;
+    char *scache_item;
+
+    pa_x11_wrapper *x11_wrapper;
+    pa_x11_client *x11_client;
+};
+
+static int x11_event_cb(pa_x11_wrapper *w, XEvent *e, void *userdata) {
+    XkbBellNotifyEvent *bne;
+    struct userdata *u = userdata;
+
+    pa_assert(w);
+    pa_assert(e);
+    pa_assert(u);
+    pa_assert(u->x11_wrapper == w);
+
+    if (((XkbEvent*) e)->any.xkb_type != XkbBellNotify)
+        return 0;
+
+    bne = (XkbBellNotifyEvent*) e;
+
+    /* We could use bne->percent to set the volume, but then the "event" role
+     * volume wouldn't have effect. It's better to ignore the volume suggestion
+     * from X11. */
+    if (pa_scache_play_item_by_name(u->core, u->scache_item, u->sink_name, PA_VOLUME_INVALID, NULL, NULL) < 0) {
+        pa_log_info("Ringing bell failed, reverting to X11 device bell.");
+        XkbForceDeviceBell(pa_x11_wrapper_get_display(w), bne->device, bne->bell_class, bne->bell_id, bne->percent);
+    }
+
+    return 1;
+}
+
+static void x11_kill_cb(pa_x11_wrapper *w, void *userdata) {
+    struct userdata *u = userdata;
+
+    pa_assert(w);
+    pa_assert(u);
+    pa_assert(u->x11_wrapper == w);
+
+    if (u->x11_client)
+        pa_x11_client_free(u->x11_client);
+
+    if (u->x11_wrapper)
+        pa_x11_wrapper_unref(u->x11_wrapper);
+
+    u->x11_client = NULL;
+    u->x11_wrapper = NULL;
+
+    pa_module_unload_request(u->module, true);
+}
+
+int pa__init(pa_module*m) {
+
+    struct userdata *u = NULL;
+    pa_modargs *ma = NULL;
+    int major, minor;
+    unsigned int auto_ctrls, auto_values;
+
+    pa_assert(m);
+
+    if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
+        pa_log("Failed to parse module arguments");
+        goto fail;
+    }
+
+    m->userdata = u = pa_xnew(struct userdata, 1);
+    u->core = m->core;
+    u->module = m;
+    u->scache_item = pa_xstrdup(pa_modargs_get_value(ma, "sample", "bell-window-system"));
+    u->sink_name = pa_xstrdup(pa_modargs_get_value(ma, "sink", NULL));
+    u->x11_client = NULL;
+
+    if (pa_modargs_get_value(ma, "xauthority", NULL)) {
+        if (setenv("XAUTHORITY", pa_modargs_get_value(ma, "xauthority", NULL), 1)) {
+            pa_log("setenv() for $XAUTHORITY failed");
+            goto fail;
+        }
+    }
+
+    if (!(u->x11_wrapper = pa_x11_wrapper_get(m->core, pa_modargs_get_value(ma, "display", NULL))))
+        goto fail;
+
+    major = XkbMajorVersion;
+    minor = XkbMinorVersion;
+
+    if (!XkbLibraryVersion(&major, &minor)) {
+        pa_log("XkbLibraryVersion() failed");
+        goto fail;
+    }
+
+    major = XkbMajorVersion;
+    minor = XkbMinorVersion;
+
+    if (!XkbQueryExtension(pa_x11_wrapper_get_display(u->x11_wrapper), NULL, &u->xkb_event_base, NULL, &major, &minor)) {
+        pa_log("XkbQueryExtension() failed");
+        goto fail;
+    }
+
+    XkbSelectEvents(pa_x11_wrapper_get_display(u->x11_wrapper), XkbUseCoreKbd, XkbBellNotifyMask, XkbBellNotifyMask);
+    auto_ctrls = auto_values = XkbAudibleBellMask;
+    XkbSetAutoResetControls(pa_x11_wrapper_get_display(u->x11_wrapper), XkbAudibleBellMask, &auto_ctrls, &auto_values);
+    XkbChangeEnabledControls(pa_x11_wrapper_get_display(u->x11_wrapper), XkbUseCoreKbd, XkbAudibleBellMask, 0);
+
+    u->x11_client = pa_x11_client_new(u->x11_wrapper, x11_event_cb, x11_kill_cb, u);
+
+    pa_modargs_free(ma);
+
+    return 0;
+
+fail:
+    if (ma)
+        pa_modargs_free(ma);
+
+    pa__done(m);
+
+    return -1;
+}
+
+void pa__done(pa_module*m) {
+    struct userdata *u;
+
+    pa_assert(m);
+
+    if (!(u = m->userdata))
+        return;
+
+    pa_xfree(u->scache_item);
+    pa_xfree(u->sink_name);
+
+    if (u->x11_client)
+        pa_x11_client_free(u->x11_client);
+
+    if (u->x11_wrapper)
+        pa_x11_wrapper_unref(u->x11_wrapper);
+
+    pa_xfree(u);
+}