Initial commit

Changes to be committed:
	new file:   .gitignore
	new file:   README
	new file:   mouse_mute.py
	new file:   requirements.txt

.gitignore

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+venv/
+tags

README

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+Did you ever need to send a mouse event to a sandboxed X11 program while using
+Wayland? Me neither. But, for the weirdo that wants to, here's this thing.

mouse_mute.py

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+
+import re
+import select
+import sys
+
+import evdev # https://github.com/gvalkov/python-evdev
+import pulsectl # https://github.com/mk-fg/python-pulse-control
+
+
+# NOTE: adapted from evdev/evtest.py
+def select_mouse(key_code:int = -1) -> evdev.InputDevice:
+    def devicenum(device_path):
+        digits = re.findall(r"\d+$", device_path)
+        return [int(i) for i in digits]
+
+    devices = sorted(evdev.list_devices('/dev/input'), key=devicenum)
+    devices = [evdev.InputDevice(path) for path in devices]
+    if not devices:
+        msg = "error: no input devices found (do you have rw permission on %s/*?)"
+        print(msg % device_dir, file=sys.stderr)
+        return None
+
+    for i, dev in enumerate(devices):
+        print("{}: {}".format(i, dev.name))
+
+    selection = input("select mouse device: ")
+    try:
+        if int(selection) > len(devices):
+            return None
+    except (TypeError, ValueError):
+        print("invalid comparison")
+        return None
+
+    dev_caps = devices[int(selection)].capabilities()
+
+    if (evdev.ecodes.EV_KEY not in dev_caps or
+        key_code not in dev_caps[evdev.ecodes.EV_KEY]):
+        print("this device doesn't have a BTN_SIDE")
+        return None
+
+    return devices[int(selection)]
+
+def parse_event(e:evdev.InputEvent, listen_key:int) -> int:
+    if e.type == evdev.ecodes.EV_KEY:
+        if e.code == listen_key:
+            return e.value
+
+    return -1
+
+def select_source() -> pulsectl.PulseSourceInfo:
+    with pulsectl.Pulse() as pulse:
+        source_list = pulse.source_list()
+
+        for i, source in enumerate(source_list):
+            print("{}: {}".format(i, source.description))
+
+        selection = input("select sount input device: ")
+        try:
+            if int(selection) > i:
+                return None
+        except (TypeError, ValueError):
+            print("invalid comparison")
+            return None
+
+    return source_list[int(selection)]
+
+
+if __name__ == '__main__':
+    # TODO: capture initial mute state
+
+    # TODO: select other devices/buttons
+    key_code = evdev.ecodes.BTN_SIDE
+    device = select_mouse(key_code)
+
+    if device == None:
+        print("error selecting device")
+        # FIXME: restore initial mute state here too
+        sys.exit(1)
+
+    source = select_source()
+
+    if source is None:
+        print("error selecting pulse source")
+        # FIXME: restore initial mute state here too
+        sys.exit(1)
+
+    pulse = pulsectl.Pulse()
+
+    # NOTE: listen for the BTN_SIDE event
+    # TODO: an option to play a sound on mute/unmute here would be nice too:
+    #   https://github.com/hamiltron/py-simple-audio
+
+    try:
+        print("Listening for events (press ctrl-c to exit) ...")
+        pulse = pulsectl.Pulse()
+        pulse.source_list()
+
+        while True:
+            for event in device.read_loop():
+                ret = parse_event(event, key_code)
+                if ret == 0:
+                    pulse.mute(source, True)
+                elif ret == 1:
+                    pulse.mute(source, False)
+                else:
+                    pass
+    except (KeyboardInterrupt, EOFError):
+        pass
+
+    # TODO: restore initial mute state
+
+
+    sys.exit(0)

requirements.txt

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+evdev==1.9.2
+pulsectl==24.12.0