populating the autoload switch state

keymapper/config.py

@@ -56,9 +56,22 @@ class _Config:
             del self._config['autoload'][device]
 
     def iterate_autoload_presets(self):
-        """get tuples of (device, preset)."""
+        """Get tuples of (device, preset)."""
         return self._config.get('autoload', {}).items()
 
+    def is_autoloaded(self, device, preset):
+        """Should this preset be loaded automatically?"""
+        # TODO test
+        autoload_map = self._config.get('autoload')
+        if autoload_map is None:
+            return False
+
+        autoload_preset = autoload_map.get(device)
+        if autoload_preset is None:
+            return False
+
+        return True
+
     def load_config(self):
         """Load the config from the file system."""
         self.clear_config()

keymapper/gtk/window.py

@@ -364,6 +364,12 @@ class Window:
             )
             key_list.insert(single_key_mapping, -1)
 
+        autoload_switch = self.get('preset_autoload_switch')
+        autoload_switch.set_active(config.is_autoloaded(
+            self.selected_device,
+            self.selected_preset
+        ))
+
         self.get('preset_name_input').set_text('')
         self.add_empty()