[gnome-shell] popupMenu: Handle key-press events on sourceActor

[Florian Müllner <fmuellner src gnome org>]

commit 1d58ea25ab6f0472bdeffc9170ece37d5dd71e64
Author: Florian Müllner <fmuellner gnome org>
Date:   Thu Aug 28 17:04:23 2014 +0200

    popupMenu: Handle key-press events on sourceActor
    
    The behavior of opening/closing/navigating a menu from its source
    actor is generic enough to not limit it to PanelMenu.Buttons, so
    move the code into PopupMenu itself.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=735614

 js/ui/panelMenu.js |   21 ---------------------
 js/ui/popupMenu.js |   28 ++++++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 21 deletions(-)
---
diff --git a/js/ui/panelMenu.js b/js/ui/panelMenu.js
index 863e0d7..29acd29 100644
--- a/js/ui/panelMenu.js
+++ b/js/ui/panelMenu.js
@@ -101,7 +101,6 @@ const Button = new Lang.Class({
                       accessible_role: Atk.Role.MENU });
 
         this.actor.connect('event', Lang.bind(this, this._onEvent));
-        this.actor.connect('key-press-event', Lang.bind(this, this._onSourceKeyPress));
         this.actor.connect('notify::visible', Lang.bind(this, this._onVisibilityChanged));
 
         if (dontCreateMenu)
@@ -140,26 +139,6 @@ const Button = new Lang.Class({
         return Clutter.EVENT_PROPAGATE;
     },
 
-    _onSourceKeyPress: function(actor, event) {
-        if (!this.menu)
-            return Clutter.EVENT_PROPAGATE;
-
-        let symbol = event.get_key_symbol();
-        if (symbol == Clutter.KEY_space || symbol == Clutter.KEY_Return) {
-            this.menu.toggle();
-            return Clutter.EVENT_STOP;
-        } else if (symbol == Clutter.KEY_Escape && this.menu.isOpen) {
-            this.menu.close();
-            return Clutter.EVENT_STOP;
-        } else if (symbol == Clutter.KEY_Down) {
-            if (!this.menu.isOpen)
-                this.menu.toggle();
-            this.menu.actor.navigate_focus(this.actor, Gtk.DirectionType.DOWN, false);
-            return Clutter.EVENT_STOP;
-        } else
-            return Clutter.EVENT_PROPAGATE;
-    },
-
     _onVisibilityChanged: function() {
         if (!this.menu)
             return;
diff --git a/js/ui/popupMenu.js b/js/ui/popupMenu.js
index 0e9e0c4..3d41b73 100644
--- a/js/ui/popupMenu.js
+++ b/js/ui/popupMenu.js
@@ -731,6 +731,10 @@ const PopupMenu = new Lang.Class({
         global.focus_manager.add_group(this.actor);
         this.actor.reactive = true;
 
+        if (this.sourceActor)
+            this._keyPressId = this.sourceActor.connect('key-press-event',
+                                                        Lang.bind(this, this._onKeyPress));
+
         this._openedSubMenu = null;
     },
 
@@ -741,6 +745,24 @@ const PopupMenu = new Lang.Class({
         this._openedSubMenu = submenu;
     },
 
+    _onKeyPress: function(actor, event) {
+        let symbol = event.get_key_symbol();
+        if (symbol == Clutter.KEY_space || symbol == Clutter.KEY_Return) {
+            this.toggle();
+            return Clutter.EVENT_STOP;
+        } else if (symbol == Clutter.KEY_Escape && this.isOpen) {
+            this.close();
+            return Clutter.EVENT_STOP;
+        } else if (symbol == Clutter.KEY_Down) {
+            if (!this.isOpen)
+                this.toggle();
+            this.actor.navigate_focus(actor, Gtk.DirectionType.DOWN, false);
+            return Clutter.EVENT_STOP;
+        } else
+            return Clutter.EVENT_PROPAGATE;
+    },
+
+
     setArrowOrigin: function(origin) {
         this._boxPointer.setArrowOrigin(origin);
     },
@@ -781,6 +803,12 @@ const PopupMenu = new Lang.Class({
 
         this.isOpen = false;
         this.emit('open-state-changed', false);
+    },
+
+    destroy: function() {
+        if (this._keyPressId)
+            this.sourceActor.disconnect(this._keyPressId);
+        this.parent();
     }
 });