switch to autoloat presets

data/key-mapper.glade

@@ -487,6 +487,42 @@
                     <property name="position">2</property>
                   </packing>
                 </child>
+                <child>
+                  <object class="GtkBox">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <child>
+                      <object class="GtkLabel">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label" translatable="yes">Automatically load this preset</property>
+                        <property name="xalign">0</property>
+                      </object>
+                      <packing>
+                        <property name="expand">True</property>
+                        <property name="fill">True</property>
+                        <property name="position">0</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkSwitch" id="preset_autoload_switch">
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <signal name="state-set" handler="on_preset_autoload_switch_activate" swapped="no"/>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">1</property>
+                      </packing>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="expand">True</property>
+                    <property name="fill">True</property>
+                    <property name="position">3</property>
+                  </packing>
+                </child>
               </object>
               <packing>
                 <property name="expand">True</property>

keymapper/config.py

@@ -44,12 +44,16 @@ class _Config:
         self._config = {}
         self.load_config()
 
-    def set_autoload_preset(self, device, preset):
+    def set_autoload_preset(self, device, preset, load=True):
         """Set a preset to be automatically applied on start."""
         if self._config.get('autoload') is None:
             self._config['autoload'] = {}
 
-        self._config['autoload'][device] = preset
+        if load:
+            self._config['autoload'][device] = preset
+        elif self._config['autoload'].get(device) is not None:
+            # TODO test
+            del self._config['autoload'][device]
 
     def iterate_autoload_presets(self):
         """get tuples of (device, preset)."""

keymapper/daemon.py

@@ -80,9 +80,11 @@ class Daemon(service.Object):
     """
     def __init__(self, *args, autoload=True, **kwargs):
         """Constructs the daemon. You still need to run the GLib mainloop."""
+        print(autoload)
         self.injectors = {}
         if autoload:
             for device, preset in config.iterate_autoload_presets():
+                print(device, preset)
                 mapping = Mapping()
                 mapping.load(device, preset)
                 self.injectors[device] = KeycodeInjector(device, mapping)

keymapper/gtk/window.py

@@ -37,7 +37,7 @@ from keymapper.gtk.row import Row
 from keymapper.gtk.unsaved import unsaved_changes_dialog, GO_BACK
 from keymapper.dev.reader import keycode_reader
 from keymapper.daemon import get_dbus_interface
-from keymapper.paths import get_config_path
+from keymapper.config import config
 
 
 def gtk_iteration():
@@ -288,6 +288,14 @@ class Window:
         # changes a bit
         keycode_reader.start_reading(self.selected_device)
 
+    def on_preset_autoload_switch_activate(self, _, active):
+        """Load the preset automatically next time the user logs in."""
+        device = self.selected_device
+        preset = self.selected_preset
+        # TODO test call this and then check config
+        config.set_autoload_preset(device, preset, active)
+        config.save_config()
+
     def on_select_device(self, dropdown):
         """List all presets, create one if none exist yet."""
         if dropdown.get_active_id() == self.selected_device: