[gnome-shell] Add a toggle-overview keybinding

[Matthias Clasen <matthiasc src gnome org>]

commit 929e066506079600e483bf6a99061c5a48c9d1dd
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Apr 17 19:26:06 2013 -0400

    Add a toggle-overview keybinding
    
    This is a new, regular keybinding for going to the overview.
    The default binding is Super-S, which goes well with Super-A
    for going to the application grid.
    This is separate from the existing panel-main-menu keybinding,
    so that we can keep Alt-F1 opening the main menu in classic mode.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=698251

 data/50-gnome-shell-system.xml.in      | 3 +++
 data/org.gnome.shell.gschema.xml.in.in | 7 +++++++
 js/ui/viewSelector.js                  | 8 ++++++++
 3 files changed, 18 insertions(+)
---
diff --git a/data/50-gnome-shell-system.xml.in b/data/50-gnome-shell-system.xml.in
index 92858c5..3e8c6f8 100644
--- a/data/50-gnome-shell-system.xml.in
+++ b/data/50-gnome-shell-system.xml.in
@@ -11,6 +11,9 @@
        <KeyListEntry name="focus-active-notification"
                       _description="Focus the active notification"/>
 
+       <KeyListEntry name="toggle-overview"
+                      _description="Show the overview"/>
+
        <KeyListEntry name="toggle-application-view"
                       _description="Show all applications"/>
 
diff --git a/data/org.gnome.shell.gschema.xml.in.in b/data/org.gnome.shell.gschema.xml.in.in
index bacb6b1..7aae0ae 100644
--- a/data/org.gnome.shell.gschema.xml.in.in
+++ b/data/org.gnome.shell.gschema.xml.in.in
@@ -117,6 +117,13 @@ value here is from the GsmPresenceStatus enumeration.</_summary>
         Overview.
       </_description>
     </key>
+    <key name="toggle-overview" type="as">
+      <default>["&lt;Super&gt;s"]</default>
+      <_summary>Keybinding to open the overview</_summary>
+      <_description>
+        Keybinding to open the Activities Overview.
+      </_description>
+    </key>
     <key name="toggle-message-tray" type="as">
       <default>["&lt;Super&gt;m"]</default>
       <_summary>Keybinding to toggle the visibility of the message tray</_summary>
diff --git a/js/ui/viewSelector.js b/js/ui/viewSelector.js
index 0fd242d..639acf3 100644
--- a/js/ui/viewSelector.js
+++ b/js/ui/viewSelector.js
@@ -150,6 +150,14 @@ const ViewSelector = new Lang.Class({
                               Shell.KeyBindingMode.NORMAL |
                               Shell.KeyBindingMode.OVERVIEW,
                               Lang.bind(this, this._toggleAppsPage));
+
+        Main.wm.addKeybinding('toggle-overview',
+                              new Gio.Settings({ schema: SHELL_KEYBINDINGS_SCHEMA }),
+                              Meta.KeyBindingFlags.NONE,
+                              Shell.KeyBindingMode.NORMAL |
+                              Shell.KeyBindingMode.OVERVIEW,
+                              Lang.bind(Main.overview, Main.overview.toggle));
+
     },
 
     _toggleAppsPage: function() {