added transparancey scale; added interactive debug button

src/core/window.py

@@ -45,12 +45,17 @@ class Window(Gtk.ApplicationWindow):
         self.set_gravity(5)  # 5 = CENTER
         self.set_position(1) # 1 = CENTER, 4 = CENTER_ALWAYS
 
+        ctx = self.get_style_context()
+        ctx.add_class("main-window")
+        ctx.add_class(f"mw_transparency_{settings.theming.transparency}")
+
     def _setup_signals(self):
         GLib.unix_signal_add(GLib.PRIORITY_DEFAULT, signal.SIGINT, self._tear_down)
         self.connect("delete-event", self._tear_down)
 
     def _subscribe_to_events(self):
         event_system.subscribe("tear_down", self._tear_down)
+        event_system.subscribe("load_interactive_debug", self._load_interactive_debug)
 
     def _load_widgets(self, args, unknownargs):
         if settings_manager.is_debug():
@@ -96,6 +101,9 @@ class Window(Gtk.ApplicationWindow):
         cr.paint()
         cr.set_operator(cairo.OPERATOR_OVER)
 
+    def _load_interactive_debug(self):
+        self.set_interactive_debugging(True)
+
 
     def _tear_down(self, widget = None, eve = None):
         event_system.emit("shutting_down")