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

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

@@ -0,0 +1,47 @@
+"""Adw.Application with single-instance nxm:// forwarding."""
+from __future__ import annotations
+
+from pathlib import Path
+
+import gi
+
+gi.require_version("Gtk", "4.0")
+gi.require_version("Adw", "1")
+from gi.repository import Adw, Gio, GLib
+
+from .. import APP_ID
+from ..core.manager import Manager
+from .window import MainWindow
+
+
+class App(Adw.Application):
+    def __init__(self):
+        # HANDLES_COMMAND_LINE makes a second launch (e.g. the browser opening nxm://) forward its
+        # arguments to this already-running instance over D-Bus instead of opening a second window.
+        super().__init__(application_id=APP_ID, flags=Gio.ApplicationFlags.HANDLES_COMMAND_LINE)
+        self.manager: Manager | None = None
+        self.win: MainWindow | None = None
+        quit_action = Gio.SimpleAction.new("quit", None)
+        quit_action.connect("activate", lambda *_: self.quit())
+        self.add_action(quit_action)
+        self.set_accels_for_action("app.quit", ["<Primary>q"])
+
+    def _window(self) -> MainWindow:
+        if self.win is None:
+            self.manager = Manager()
+            self.win = MainWindow(self, self.manager)
+        return self.win
+
+    def do_activate(self):
+        self._window().present()
+
+    def do_command_line(self, cmdline: Gio.ApplicationCommandLine) -> int:
+        args = cmdline.get_arguments()[1:]
+        win = self._window()
+        win.present()
+        for a in args:
+            if a.startswith("nxm://"):
+                GLib.idle_add(lambda url=a: (win.handle_nxm(url), False)[1])
+            elif Path(a).exists():
+                win.import_paths([Path(a)])
+        return 0