状态栏添加音量显示并添加音量调节功能

src/action.c

@@ -3,6 +3,7 @@
 #include <glib.h>
 #include <string.h>
 
+#include "audio.h"
 #include "client.h"
 #include "monitor.h"
 #include "types.h"
@@ -76,6 +77,16 @@ void raise_or_run(const user_action_arg_t *arg) {
   spawn(&arguments);
 }
 
+void toggle_mute(const user_action_arg_t *arg) {
+  if (wm.status->pulse_context) toggle_pulse_mute(wm.status->pulse_context);
+}
+
+void change_volume(const user_action_arg_t *arg) {
+  if (wm.status->pulse_context) {
+    change_pulse_volume(wm.status->pulse_context, arg->i);
+  }
+}
+
 void toggle_client_floating(const user_action_arg_t *arg) {
   if (!wm.client_focused) return;