preferences: Add a hack to maximize on mobile screen

src/gpodder/gtkui/desktop/preferences.py

@@ -326,6 +326,9 @@ class gPodderPreferences(BuilderWidget):
         self.set_extension_preferences()
 
         self._config.connect_gtk_window(self.main_window, 'preferences', True)
+        monitor = Gdk.Display.get_default().get_monitor_at_window(self.main_window.get_window())
+        if monitor.get_width_mm() < 120:  # Check if we're on a mobile screen
+            self.main_window.maximize()
 
         gpodder.user_extensions.on_ui_object_available('preferences-gtk', self)