233 lines
8.2 KiB
Python
233 lines
8.2 KiB
Python
import json
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import subprocess
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import threading
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from typing import Optional
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class Signal:
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"""Simple signal implementation for monitor focus service."""
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def __init__(self):
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self._callbacks = []
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def connect(self, callback):
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"""Connect a callback to this signal."""
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self._callbacks.append(callback)
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def emit(self, *args, **kwargs):
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"""Emit the signal to all connected callbacks."""
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for callback in self._callbacks:
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try:
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callback(*args, **kwargs)
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except Exception as e:
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print(f"Error in signal callback: {e}")
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class MonitorFocusService:
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"""
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Service to track monitor focus changes through Hyprland events.
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Listens to 'focusedmon' and 'workspace' events and emits signals
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when monitor focus changes.
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"""
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_instance = None
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def __new__(cls):
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if cls._instance is None:
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cls._instance = super().__new__(cls)
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return cls._instance
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def __init__(self):
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if hasattr(self, '_initialized'):
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return
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self._initialized = True
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self._monitor_name_to_id = {}
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self._monitor_info = {} # Store rich monitor information
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self._current_workspace = 1
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self._current_monitor_name = ""
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self._listening = False
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self._thread = None
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# Signals
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self.monitor_focused = Signal()
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self.workspace_changed = Signal()
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self._update_monitor_mapping()
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self.start_listening()
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def _update_monitor_mapping(self):
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"""Update the monitor name to ID mapping with rich monitor information."""
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try:
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# Import here to avoid circular imports
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from utils.monitor_manager import get_monitor_manager
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manager = get_monitor_manager()
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monitors = manager.get_monitors()
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self._monitor_name_to_id = {}
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self._monitor_info = {} # Store rich monitor information
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for monitor in monitors:
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monitor_name = monitor['name']
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monitor_id = monitor['id']
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self._monitor_name_to_id[monitor_name] = monitor_id
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self._monitor_info[monitor_id] = {
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'name': monitor_name,
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'width': monitor.get('width', 1920),
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'height': monitor.get('height', 1080),
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'x': monitor.get('x', 0),
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'y': monitor.get('y', 0),
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'scale': monitor.get('scale', 1.0),
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'focused': monitor.get('focused', False)
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}
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except ImportError:
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# Fallback if monitor manager not available yet
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self._monitor_name_to_id = {}
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self._monitor_info = {}
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def start_listening(self):
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"""Start listening to Hyprland events in a separate thread."""
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if self._listening:
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return
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self._listening = True
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self._thread = threading.Thread(target=self._listen_to_hyprland, daemon=True)
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self._thread.start()
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def stop_listening(self):
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"""Stop listening to Hyprland events."""
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self._listening = False
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if self._thread and self._thread.is_alive():
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self._thread.join(timeout=1.0)
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def _listen_to_hyprland(self):
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"""Listen to Hyprland events via socat."""
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try:
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process = subprocess.Popen(
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["socat", "-U", "-", "UNIX-CONNECT:/tmp/hypr/$HYPRLAND_INSTANCE_SIGNATURE/.socket2.sock"],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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text=True,
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bufsize=1
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)
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while self._listening and process.poll() is None:
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if process.stdout:
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line = process.stdout.readline()
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if line:
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self._handle_hyprland_event(line.strip())
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except (subprocess.SubprocessError, FileNotFoundError) as e:
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print(f"MonitorFocusService: Error listening to Hyprland: {e}")
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except Exception as e:
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print(f"MonitorFocusService: Unexpected error: {e}")
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def _handle_hyprland_event(self, event_line: str):
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"""Parse and handle Hyprland event."""
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try:
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if '>>' not in event_line:
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return
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parts = event_line.split('>>')
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if len(parts) < 2:
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return
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event_type = parts[0]
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event_data = parts[1]
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if event_type == "focusedmon":
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self._handle_focused_monitor(event_data)
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elif event_type == "workspace":
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self._handle_workspace_change(event_data)
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except Exception as e:
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print(f"MonitorFocusService: Error handling event '{event_line}': {e}")
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def _handle_focused_monitor(self, data: str):
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"""Handle focusedmon event: monitor_name,workspace_name"""
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try:
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parts = data.split(',')
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if len(parts) >= 2:
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monitor_name = parts[0]
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workspace_name = parts[1]
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# Update monitor mapping if needed
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if monitor_name not in self._monitor_name_to_id:
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self._update_monitor_mapping()
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monitor_id = self._monitor_name_to_id.get(monitor_name, 0)
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# Extract workspace ID from name
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try:
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workspace_id = int(workspace_name)
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except ValueError:
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workspace_id = 1
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self._current_monitor_name = monitor_name
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self._current_workspace = workspace_id
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# Emit signal
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self.monitor_focused.emit(monitor_name, monitor_id, workspace_id)
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except Exception as e:
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print(f"MonitorFocusService: Error in _handle_focused_monitor: {e}")
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def _handle_workspace_change(self, data: str):
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"""Handle workspace event: workspace_name"""
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try:
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workspace_name = data.strip()
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# Extract workspace ID
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try:
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workspace_id = int(workspace_name)
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except ValueError:
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workspace_id = 1
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self._current_workspace = workspace_id
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# Emit signal
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self.workspace_changed.emit(workspace_id, self._current_monitor_name)
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except Exception as e:
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print(f"MonitorFocusService: Error in _handle_workspace_change: {e}")
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def get_current_monitor_id(self) -> int:
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"""Get current monitor ID."""
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return self._monitor_name_to_id.get(self._current_monitor_name, 0)
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def get_current_workspace(self) -> int:
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"""Get current workspace ID."""
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return self._current_workspace
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def get_monitor_id_by_name(self, monitor_name: str) -> Optional[int]:
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"""Get monitor ID by name."""
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return self._monitor_name_to_id.get(monitor_name)
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def get_monitor_info(self, monitor_id: int) -> Optional[dict]:
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"""Get rich monitor information by ID."""
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return self._monitor_info.get(monitor_id)
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def get_current_monitor_info(self) -> Optional[dict]:
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"""Get rich information for current monitor."""
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current_id = self.get_current_monitor_id()
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return self.get_monitor_info(current_id)
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def get_monitor_scale(self, monitor_id: int) -> float:
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"""Get monitor scale factor by ID."""
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info = self.get_monitor_info(monitor_id)
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return info.get('scale', 1.0) if info else 1.0
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def get_current_monitor_scale(self) -> float:
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"""Get current monitor scale factor."""
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return self.get_monitor_scale(self.get_current_monitor_id())
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# Singleton accessor
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_monitor_focus_service_instance = None
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def get_monitor_focus_service() -> MonitorFocusService:
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"""Get the global MonitorFocusService instance."""
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global _monitor_focus_service_instance
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if _monitor_focus_service_instance is None:
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_monitor_focus_service_instance = MonitorFocusService()
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return _monitor_focus_service_instance |