feat: add various system and theme icons, configuration files, and support assets

squashfs-root/usr/share/mhwmm/ui/tasks.py

@@ -0,0 +1,19 @@
+"""Run blocking work off the GTK main loop."""
+from __future__ import annotations
+
+import threading
+from typing import Callable
+
+from gi.repository import GLib
+
+
+def run_async(work: Callable[[], object], done: Callable[[object, Exception | None], None]) -> None:
+    """Execute `work` in a thread; call `done(result, error)` on the main loop."""
+    def target():
+        try:
+            result, error = work(), None
+        except Exception as e:  # surfaced to the UI as a toast
+            result, error = None, e
+        GLib.idle_add(lambda: (done(result, error), False)[1])
+
+    threading.Thread(target=target, daemon=True).start()