soreau,
created on Saturday, 16 August 2025, 20:38:39 (1755376719),
received on Saturday, 16 August 2025, 21:15:41 (1755378941)
Author identity: Scott Moreau <oreaus@gmail.com>
8acf6b2e5eabbacfe3455b1e550408264ec81a7e
applets/volume/__init__.py
@@ -0,0 +1,179 @@
"""
The MIT License (MIT)
Copyright (c) 2025 Scott Moreau <oreaus@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
"""
import panorama_panel
import gi
gi.require_version("Gtk", "4.0")
from gi.repository import Gtk, Gdk, GLib
import asyncio
import pulsectl
import pulsectl_asyncio
class Volume(panorama_panel.Applet):
name = "Volume"
description = "Volume applet"
def __init__(self, orientation=Gtk.Orientation.HORIZONTAL, config=None):
super().__init__()
asyncio.create_task(self.main())
async def main(self):
self.menu_button = Gtk.MenuButton()
self.volume_step = 0.05
self.pulse = pulsectl_asyncio.PulseAsync("panorama-panel-volume-manager")
await self.pulse.connect()
server_info = await self.pulse.server_info()
self.default_sink = await self.pulse.get_sink_by_name(server_info.default_sink_name)
self.current_volume = self.default_sink.volume.value_flat
self.volume_adjustment = Gtk.Adjustment(value=0.5, lower=0.0, upper=1.0, step_increment=0.01, page_increment=0.1)
self.volume_scale = Gtk.Scale.new(Gtk.Orientation.HORIZONTAL, self.volume_adjustment)
self.volume_scale.set_hexpand(True)
self.volume_scale.set_value(self.current_volume)
self.volume_scale.set_size_request(200, -1)
self.volume_scale_changed_handler = self.volume_scale.connect("value-changed", self.on_scale_changed)
self.volume_popover = Gtk.Popover()
self.volume_popover.set_child(self.volume_scale)
self.volume_popover.connect("show", self.on_popover_show)
self.menu_button.set_popover(self.volume_popover)
scroll_controller = Gtk.EventControllerScroll.new(Gtk.EventControllerScrollFlags.VERTICAL)
scroll_controller.set_propagation_phase(Gtk.PropagationPhase.CAPTURE)
self.volume_popover.add_controller(scroll_controller)
scroll_controller.connect("scroll", self.on_popover_scroll)
scroll_controller = Gtk.EventControllerScroll.new(Gtk.EventControllerScrollFlags.VERTICAL)
scroll_controller.set_propagation_phase(Gtk.PropagationPhase.CAPTURE)
self.add_controller(scroll_controller)
scroll_controller.connect("scroll", self.on_button_scroll)
self.popdown_timeout = None
self.set_button_icon()
gesture_click = Gtk.GestureClick()
gesture_click.set_button(Gdk.BUTTON_MIDDLE)
gesture_click.connect("released", self.on_middle_click_released)
self.add_controller(gesture_click)
self.append(self.menu_button)
loop = asyncio.get_event_loop()
loop.create_task(self.listen())
def on_middle_click_released(self, gesture, n_press, x, y):
loop = asyncio.get_event_loop()
loop.create_task(self.idle_on_middle_click_released())
async def idle_on_middle_click_released(self):
if self.default_sink.mute:
await self.pulse.sink_mute(self.default_sink.index, False)
self.default_sink.mute = False
else:
await self.pulse.sink_mute(self.default_sink.index, True)
self.default_sink.mute = True
self.set_button_icon()
def on_popover_show(self, popover):
if self.popdown_timeout is not None:
GLib.source_remove(self.popdown_timeout)
self.popdown_timeout = GLib.timeout_add(2000, self.close_scale_popover)
def set_button_icon(self):
volume = self.current_volume
threshold = 1.0 / 3.0
if volume == 0.0 or self.default_sink.mute:
self.menu_button.set_icon_name("audio-volume-muted-symbolic")
elif volume < threshold:
self.menu_button.set_icon_name("audio-volume-low-symbolic")
elif volume < threshold * 2:
self.menu_button.set_icon_name("audio-volume-medium-symbolic")
else:
self.menu_button.set_icon_name("audio-volume-high-symbolic")
def on_button_scroll(self, controller, dx, dy):
if dy < 0 or dy > 0:
self.menu_button.popup()
return Gdk.EVENT_STOP
def on_popover_scroll(self, controller, dx, dy):
if dy > 0:
new_volume = self.current_volume - self.volume_step
elif dy < 0:
new_volume = self.current_volume + self.volume_step
if new_volume < 0:
new_volume = 0.0
elif new_volume > 1:
new_volume = 1.0
if self.current_volume == new_volume:
return Gdk.EVENT_STOP
self.volume_scale.set_value(new_volume)
self.current_volume = new_volume
self.set_button_icon()
if self.popdown_timeout is not None:
GLib.source_remove(self.popdown_timeout)
self.popdown_timeout = GLib.timeout_add(2000, self.close_scale_popover)
return Gdk.EVENT_STOP
async def idle_volume_update(self):
new_volume = self.volume_scale.get_value()
await self.pulse.volume_set_all_chans(self.default_sink, new_volume)
self.current_volume = new_volume
self.set_button_icon()
if self.popdown_timeout is not None:
GLib.source_remove(self.popdown_timeout)
self.popdown_timeout = GLib.timeout_add(2000, self.close_scale_popover)
return False
def on_scale_changed(self, scale, *args):
loop = asyncio.get_event_loop()
loop.create_task(self.idle_volume_update())
async def idle_update_scale(self):
server_info = await self.pulse.server_info()
self.default_sink = await self.pulse.get_sink_by_name(server_info.default_sink_name)
new_volume = self.default_sink.volume.value_flat
if self.current_volume == new_volume:
self.set_button_icon()
return False
self.current_volume = new_volume
self.volume_scale.set_value(self.current_volume)
self.set_button_icon()
self.menu_button.popup()
if self.popdown_timeout is not None:
GLib.source_remove(self.popdown_timeout)
self.popdown_timeout = GLib.timeout_add(2000, self.close_scale_popover)
return False
def close_scale_popover(self):
self.popdown_timeout = None
self.menu_button.popdown()
return False
async def listen(self):
async for event in self.pulse.subscribe_events("all"):
if event.facility == pulsectl.PulseEventFacilityEnum.sink and \
event.t == pulsectl.PulseEventTypeEnum.change:
try:
sink = await self.pulse.sink_info(event.index)
loop = asyncio.get_event_loop()
loop.create_task(self.idle_update_scale())
except pulsectl_asyncio.PulseOperationFailed:
print(f"Could not retrieve info for sink index {event.index}")
main.py
@@ -42,11 +42,15 @@ gi.require_version("Gtk", "4.0")
gi.require_version("Gtk4LayerShell", "1.0")
from gi.repository import Gtk, GLib, Gtk4LayerShell, Gdk, Gio, GObject
from gi.events import GLibEventLoopPolicy
sys.path.insert(0, str((Path(__file__).parent / "shared").resolve()))
import panorama_panel
locale.bindtextdomain("panorama-panel", "locale")
locale.textdomain("panorama-panel")
locale.setlocale(locale.LC_ALL)