[modules/pulsectl] add mouse actions

add toggle mute on click and volume up/down on scroll

bumblebee_status/modules/core/pulsectl.py

@@ -4,10 +4,11 @@ import pulsectl
 
 import core.module
 import core.widget
-import core.decorators
 import core.input
 import core.event
 
+import util.format
+
 class Module(core.module.Module):
     def __init__(self, config, theme, type):
         super().__init__(config, theme, core.widget.Widget(self.display))
@@ -17,14 +18,57 @@ class Module(core.module.Module):
         self.__volume = "n/a"
         self.__muted = False
 
+        self.__change = util.format.asint(
+            self.parameter("percent_change", "2%").strip("%"), 0, 100
+        )
+
+        events = [
+            {
+                "type": "mute",
+                "action": self.toggle_mute,
+                "button": core.input.LEFT_MOUSE
+            },
+            {
+                "type": "volume",
+                "action": self.increase_volume,
+                "button": core.input.WHEEL_UP,
+            },
+            {
+                "type": "volume",
+                "action": self.decrease_volume,
+                "button": core.input.WHEEL_DOWN,
+            },
+        ]
+
+        for event in events:
+            core.input.register(self, button=event["button"], cmd=event["action"])
+
         self.process(None)
 
     def display(self, _):
         return f"{int(self.__volume*100)}%"
 
+    def toggle_mute(self, _):
+        with pulsectl.Pulse(self.id + "vol") as pulse:
+            dev = pulse.sink_list()[0] if self.__type == "sink" else pulse.source_list()[1]
+            pulse.mute(dev, not self.__muted)
+
+    def change_volume(self, amount):
+        with pulsectl.Pulse(self.id + "vol") as pulse:
+            dev = pulse.sink_list()[0] if self.__type == "sink" else pulse.source_list()[1]
+            vol = dev.volume
+            vol.value_flat += amount
+            pulse.volume_set(dev, vol)
+
+    def increase_volume(self, _):
+        self.change_volume(self.__change/100.0)
+
+    def decrease_volume(self, _):
+        self.change_volume(-self.__change/100.0)
+
     def process(self, _):
         with pulsectl.Pulse(self.id + "proc") as pulse:
-            dev = pulse.sink_list()[0] if self.__type == "sink" else pulse.source_list()[0]
+            dev = pulse.sink_list()[0] if self.__type == "sink" else pulse.source_list()[1]
             self.__volume = dev.volume.value_flat
             self.__muted = dev.mute
         core.event.trigger("update", [self.id], redraw_only=True)