Files
Modus/modules/controlcenter/per_app_volume.py
T

369 lines
12 KiB
Python

# Standard library imports
import subprocess
from gi.repository import GLib
# Fabric imports
from fabric.widgets.box import Box
from fabric.widgets.button import Button
from fabric.widgets.label import Label
from fabric.widgets.scale import Scale
from fabric.widgets.scrolledwindow import ScrolledWindow
# Local imports
from utils.roam import audio_service
class PerAppVolumeControl(Box):
"""Per-application volume control widget"""
def __init__(self, control_center, **kwargs):
super().__init__(
orientation="vertical",
name="per-app-volume-control",
style_classes="menu",
spacing=5,
**kwargs,
)
self.control_center = control_center
self._updating_volumes = set()
self._app_widgets = {}
self._signal_connections = []
# Header with back button (hidden for cleaner UI)
# Scrollable container for app volume controls
self.apps_container = Box(
orientation="vertical",
name="apps-scrolled-container",
spacing=5,
)
self.scrolled_window = ScrolledWindow(
name="apps-scrolled-window",
child=self.apps_container,
size=(300, 500),
)
# Add escape key binding for navigation back
try:
if hasattr(self.control_center, "add_keybinding"):
self.control_center.add_keybinding("Escape", self._go_back)
except Exception:
pass # Ignore if keybinding fails
self.children = [self.scrolled_window]
# Connect to audio service changes
if audio_service:
self._signal_connections.append(
audio_service.connect("stream-added", self._on_stream_changed)
)
self._signal_connections.append(
audio_service.connect("stream-removed", self._on_stream_changed)
)
# Initial population
self._populate_apps()
# Set up auto-refresh timer for PulseAudio sinks
self._refresh_timer = GLib.timeout_add_seconds(2, self._auto_refresh)
def _auto_refresh(self):
"""Auto-refresh the application list every 2 seconds"""
self._populate_apps()
return True # Continue the timer
def _go_back(self, *_):
"""Return to main control center view"""
self.control_center.close_per_app_volume()
def _get_pulse_sinks(self):
"""Get PulseAudio sink inputs (application audio streams)"""
try:
result = subprocess.run(
["pactl", "list", "sink-inputs"],
capture_output=True,
text=True,
check=True,
)
sinks = []
current_sink = {}
for line in result.stdout.split("\n"):
line = line.strip()
if line.startswith("Sink Input #"):
if current_sink:
sinks.append(current_sink)
current_sink = {
"index": line.split("#")[1],
"name": "Unknown",
"volume_raw": 100,
}
elif "application.name = " in line:
current_sink["name"] = line.split("= ")[1].strip('"')
elif "Volume:" in line and "front-left:" in line:
parts = line.split()
for part in parts:
if part.endswith("%"):
current_sink["volume_raw"] = int(part.replace("%", ""))
break
if current_sink:
sinks.append(current_sink)
return sinks
except (subprocess.CalledProcessError, FileNotFoundError):
return []
def _format_app_name(self, name):
"""Format application name with proper capitalization"""
if not name:
return "Unknown"
# Handle common app names specially
special_names = {
"spotify": "Spotify",
"firefox": "Firefox",
"chromium": "Chromium",
"chrome": "Chrome",
"vlc": "VLC",
"discord": "Discord",
"steam": "Steam",
"zen": "Zen Browser",
"code": "VS Code",
"telegram": "Telegram",
}
name_lower = name.lower()
if name_lower in special_names:
return special_names[name_lower]
# Default: capitalize first letter
return name.capitalize()
def _populate_apps(self):
"""Populate the widget with current audio applications"""
# Clear existing widgets
self.apps_container.children = []
self._app_widgets.clear()
# Try Fabric audio service first
applications = []
if audio_service and hasattr(audio_service, "applications"):
applications = audio_service.applications
# If no Fabric applications, try PulseAudio directly
if not applications:
pulse_sinks = self._get_pulse_sinks()
if pulse_sinks:
for sink in pulse_sinks:
app_widget = self._create_pulse_app_control(sink)
self.apps_container.children = list(
self.apps_container.children
) + [app_widget]
self._app_widgets[sink["name"]] = (app_widget, sink)
return
# Use Fabric applications if available
if applications:
for app in applications:
if hasattr(app, "name") and hasattr(app, "volume"):
app_widget = self._create_app_control(app)
self.apps_container.children = list(
self.apps_container.children
) + [app_widget]
self._app_widgets[app.name] = (app_widget, app)
else:
self._show_no_apps_message()
def _show_no_apps_message(self):
"""Show message when no apps are playing audio"""
message = Label(
label="No applications currently using audio",
style_classes="subtitle",
h_align="center",
v_align="center",
)
self.apps_container.children = [message]
def _create_pulse_app_control(self, sink):
"""Create volume control for a PulseAudio sink input"""
# Format and truncate app name
app_name = self._format_app_name(sink["name"])
if len(app_name) > 20:
app_name = app_name[:17] + "..."
# Volume scale with Apple-like styling
volume_scale = Scale(
value=sink["volume_raw"],
min_value=0,
max_value=150,
increments=(5, 5),
name="apple-volume-slider",
size=28,
h_expand=True,
)
# Connect volume change handler
volume_scale.connect(
"change-value",
lambda scale, scroll_type, value, sink_data=sink: self._set_pulse_volume(
sink_data, value
),
)
# Create the app control widget
app_control = Box(
orientation="vertical",
spacing=8,
style_classes="apple-app-volume-item",
children=[
Label(
label=app_name,
style_classes="apple-app-name",
h_align="start",
),
volume_scale,
],
)
return app_control
def _create_app_control(self, app):
"""Create volume control for a single application (Fabric)"""
# Format and truncate app name
app_name = self._format_app_name(app.name)
if len(app_name) > 20:
app_name = app_name[:17] + "..."
# Handle different volume formats
volume_value = app.volume
if isinstance(volume_value, float):
if 0.0 <= volume_value <= 1.0:
volume_percent = volume_value * 100
else:
volume_percent = min(max(volume_value, 0), 100)
elif isinstance(volume_value, int):
if volume_value <= 1:
volume_percent = volume_value * 100
else:
volume_percent = min(max(volume_value, 0), 100)
else:
volume_percent = 50
# Volume scale with Apple-like styling
volume_scale = Scale(
value=volume_percent,
min_value=0,
max_value=100,
increments=(5, 5),
name="apple-volume-slider",
size=28,
h_expand=True,
)
# Connect volume change handler
volume_scale.connect(
"change-value",
lambda scale, scroll_type, value, app=app: self._set_app_volume(app, value),
)
# Create the app control widget
app_control = Box(
orientation="vertical",
spacing=8,
style_classes="apple-app-volume-item",
children=[
Label(
label=app_name,
style_classes="apple-app-name",
h_align="start",
),
volume_scale,
],
)
return app_control
def _set_pulse_volume(self, sink, volume_percent):
"""Set volume for a PulseAudio sink input"""
if sink["name"] in self._updating_volumes:
return
self._updating_volumes.add(sink["name"])
try:
subprocess.run(
[
"pactl",
"set-sink-input-volume",
sink["index"],
f"{int(volume_percent)}%",
],
check=True,
)
except subprocess.CalledProcessError:
pass
finally:
GLib.timeout_add(100, lambda: self._updating_volumes.discard(sink["name"]))
def _set_app_volume(self, app, volume_percent):
"""Set volume for a specific application (Fabric)"""
if app.name in self._updating_volumes:
return
self._updating_volumes.add(app.name)
try:
current_volume = app.volume
if isinstance(current_volume, float):
if 0.0 <= current_volume <= 1.0:
volume_value = volume_percent / 100.0
else:
volume_value = volume_percent
elif isinstance(current_volume, int):
if current_volume <= 1:
volume_value = int(volume_percent / 100.0)
else:
volume_value = int(volume_percent)
else:
volume_value = volume_percent
app.volume = volume_value
except Exception:
pass
finally:
GLib.timeout_add(100, lambda: self._updating_volumes.discard(app.name))
def _on_stream_changed(self, *_):
"""Handle when audio streams are added or removed"""
GLib.idle_add(self._populate_apps)
def refresh(self):
"""Manually refresh the application list"""
self._populate_apps()
def destroy(self):
"""Clean up resources"""
if hasattr(self, "_refresh_timer"):
GLib.source_remove(self._refresh_timer)
for connection in self._signal_connections:
try:
connection.disconnect()
except:
pass
self._signal_connections.clear()
self._app_widgets.clear()
self._updating_volumes.clear()
super().destroy()