Fix some warnings (#2570)

Author: lenemter

daemon/MonitorLabel.vala

@@ -31,8 +31,8 @@
         var provider = new Gtk.CssProvider ();
         try {
             provider.load_from_string (COLORED_STYLE_CSS.printf (title, info.background_color, info.text_color));
-            get_style_context ().add_class (title);
-            get_style_context ().add_class ("monitor-label");
+            add_css_class (title);
+            add_css_class ("monitor-label");
 
             Gtk.StyleContext.add_provider_for_display (
                 Gdk.Display.get_default (),

lib/Gestures/GestureSettings.vala

@@ -34,21 +34,6 @@ private class Gala.GestureSettings : Object {
             : touchpad_settings.get_boolean ("natural-scroll");
     }
 
-    public Meta.MotionDirection? get_direction (Gesture gesture) {
-        switch (gesture.direction) {
-            case GestureDirection.UP:
-                return Meta.MotionDirection.UP;
-            case GestureDirection.DOWN:
-                return Meta.MotionDirection.DOWN;
-            case GestureDirection.LEFT:
-                return Meta.MotionDirection.LEFT;
-            case GestureDirection.RIGHT:
-                return Meta.MotionDirection.RIGHT;
-            default:
-                return null;
-        }
-    }
-
     public Meta.MotionDirection? get_natural_scroll_direction (Gesture gesture) {
         bool natural_scroll = is_natural_scroll_enabled (gesture.performed_on_device_type);
 

lib/Gestures/ScrollBackend.vala

@@ -73,7 +73,7 @@ private class Gala.ScrollBackend : Object, GestureBackend {
         // Scroll events apply the natural scroll preferences out of the box
         // Standardize them so the direction matches the physical direction of the gesture and the
         // GestureTracker user can decide if it wants to follow natural scroll settings or not
-        bool natural_scroll = settings.is_natural_scroll_enabled (Clutter.InputDeviceType.TOUCHPAD_DEVICE);
+        bool natural_scroll = GestureSettings.is_natural_scroll_enabled (Clutter.InputDeviceType.TOUCHPAD_DEVICE);
         if (natural_scroll) {
             x *= -1;
             y *= -1;

lib/Gestures/ToucheggBackend.vala

@@ -150,18 +150,6 @@ private class Gala.ToucheggBackend : Object, GestureBackend {
         new Thread<void> (null, (owned) run);
     }
 
-    public void stop () {
-        try {
-            reconnection_attempts = MAX_RECONNECTION_ATTEMPTS;
-
-            if (!connection.closed) {
-                connection.close_sync ();
-            }
-        } catch (Error e) {
-            // Ignore this error, the process is being killed as this point
-        }
-    }
-
     [CCode (instance_pos = -1)]
     private void on_new_message (DBusConnection connection, string? sender_name, string object_path,
         string interface_name, string signal_name, Variant parameters) {