Allow navigating over buttons via keyboard

clapper_src/controls.js

@@ -57,12 +57,9 @@ var Controls = GObject.registerClass({
         this.fullscreenButton = Gtk.Button.new_from_icon_name(
             'view-fullscreen-symbolic',
         );
-        this.setDefaultWidgetBehaviour(this.fullscreenButton);
         this.openMenuButton = Gtk.Button.new_from_icon_name(
             'open-menu-symbolic',
         );
-        this.setDefaultWidgetBehaviour(this.openMenuButton);
-        //this.forall(this.setDefaultWidgetBehaviour);
 
         this.add_css_class('playercontrols');
 
@@ -136,7 +133,6 @@ var Controls = GObject.registerClass({
                     'toggled',
                     this._onCheckButtonToggled.bind(this, checkButton)
                 );
-                this.setDefaultWidgetBehaviour(checkButton);
                 box.append(checkButton);
             }
 
@@ -160,12 +156,6 @@ var Controls = GObject.registerClass({
         }
     }
 
-    setDefaultWidgetBehaviour(widget)
-    {
-        widget.can_focus = false;
-        //widget.can_default = false;
-    }
-
     handleScaleIncrement(type, isUp)
     {
         let value = this[`${type}Scale`].get_value();
@@ -201,6 +191,7 @@ var Controls = GObject.registerClass({
             draw_value: false,
             hexpand: true,
             valign: Gtk.Align.CENTER,
+            can_focus: false,
         });
 
         this.togglePlayButton.bind_property('margin_top',
@@ -247,7 +238,6 @@ var Controls = GObject.registerClass({
         this.volumeAdjustment.set_upper(2);
         this.volumeAdjustment.set_step_increment(0.05);
         this.volumeAdjustment.set_page_increment(0.05);
-        this.setDefaultWidgetBehaviour(this.volumeScale);
 
         for(let i = 0; i <= 2; i++) {
             let text = (i) ? `${i}00%` : '0%';

clapper_src/headerbar.js

@@ -5,7 +5,9 @@ class ClapperHeaderBar extends Gtk.HeaderBar
 {
     _init(window, startButtons, endButtons)
     {
-        super._init();
+        super._init({
+            can_focus: false,
+        });
 
         this.set_title_widget(this._createWidgetForWindow(window));
         startButtons.forEach(btn => this.pack_start(btn));
@@ -43,7 +45,7 @@ class ClapperHeaderBar extends Gtk.HeaderBar
     {
         let box = new Gtk.Box ({
             orientation: Gtk.Orientation.VERTICAL,
-            valign: Gtk.Align.CENTER
+            valign: Gtk.Align.CENTER,
         });
 
         this.titleLabel = new Gtk.Label({

clapper_src/window.js

@@ -28,8 +28,9 @@ var Window = GObject.registerClass({
 
     _onStateNotify(toplevel)
     {
-        let { state } = toplevel;
+        let isFullscreen = Boolean(
-        let isFullscreen = Boolean(state & Gdk.ToplevelState.FULLSCREEN);
+            toplevel.state & Gdk.ToplevelState.FULLSCREEN
+        );
 
         if(this.isFullscreen === isFullscreen)
             return;