add PipeWire volume module (using WirePlumber)

1 files changed, 20 insertions, 1 deletions

diff --git a/panel.py b/panel.py
index 93db494..4c9decd 100755
--- a/panel.py
+++ b/panel.py
@@ -462,6 +462,24 @@ class ModMem(ModInterval):
         percent = psutil.virtual_memory().percent
         self.out = Fmt.labelled('MEM', f'{percent:.0f}%%')
 
+class ModPWVol(ModInterval):
+    def __init__(self, sink='@DEFAULT_AUDIO_SINK@', **kwargs):
+        super().__init__(**kwargs)
+        self.sink = sink
+
+    def refresh(self):
+        res = subprocess.run(
+            ('wpctl', 'get-volume', self.sink),
+            stdout=subprocess.PIPE, stderr=subprocess.DEVNULL, text=True)
+        if (m := re.match('Volume: ([0-9.]*)( \[MUTED\])?', res.stdout)):
+            vol = float(m.group(1)) * 100
+            buf = f'{vol:.0f}%%'
+            if m.group(2):
+                buf += ' [muted]'
+        else:
+            buf = Fmt.bg('#a03000', ' error ')
+        self.out = Fmt.labelled('VOL', buf)
+
 class Panel:
     def __init__(self, *mods, max_paint_delay=0, width=1920, height=22):
         self.e_repaint = threading.Event()
@@ -526,7 +544,8 @@ Panel(
     ModInputAvail(
         '/dev/input/by-id/usb-HID_Keyboard_HID_Keyboard-event-kbd',
         unavail_text='NO KEYBOARD'),
-    ModNetIf('wg.*', regex=True, label='wg*', interval=1),
+    ModNetIf('wg(?!0$).*', regex=True, label='wg*'),
+    ModPWVol(),
     ModCPU(interval=0.5),
     ModMem(interval=0.5),
     ModDate(