[gnome-shell] altTab: enable the switch_group keybinding action

[Dan Winship <danw src gnome org>]

commit a047132a2f3c9073d6b8673b09fb91b5e3e2cb21
Author: Rui Matos <tiagomatos gmail com>
Date:   Sat Jan 29 22:11:25 2011 +0000

    altTab: enable the switch_group keybinding action
    
    Allows the user to bring up the Alt+Tab popup with the current application's
    window thumbnails selected.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=639341

 js/ui/altTab.js        |   13 +++++++++++--
 js/ui/windowManager.js |    3 ++-
 2 files changed, 13 insertions(+), 3 deletions(-)
---
diff --git a/js/ui/altTab.js b/js/ui/altTab.js
index 785263e..634742a 100644
--- a/js/ui/altTab.js
+++ b/js/ui/altTab.js
@@ -120,7 +120,7 @@ AltTabPopup.prototype = {
         }
     },
 
-    show : function(backward) {
+    show : function(backward, switch_group) {
         let tracker = Shell.WindowTracker.get_default();
         let apps = tracker.get_running_apps ('');
 
@@ -145,7 +145,16 @@ AltTabPopup.prototype = {
         this._appIcons = this._appSwitcher.icons;
 
         // Make the initial selection
-        if (this._appIcons.length == 1) {
+        if (switch_group) {
+            if (backward) {
+                this._select(0, this._appIcons[0].cachedWindows.length - 1);
+            } else {
+                if (this._appIcons[0].cachedWindows.length > 1)
+                    this._select(0, 1);
+                else
+                    this._select(0, 0);
+            }
+        } else if (this._appIcons.length == 1) {
             if (!backward && this._appIcons[0].cachedWindows.length > 1) {
                 // For compatibility with the multi-app case below
                 this._select(0, 1, true);
diff --git a/js/ui/windowManager.js b/js/ui/windowManager.js
index 328ccb6..d291b8d 100644
--- a/js/ui/windowManager.js
+++ b/js/ui/windowManager.js
@@ -116,6 +116,7 @@ WindowManager.prototype = {
         this.setKeybindingHandler('switch_to_workspace_up', Lang.bind(this, this._showWorkspaceSwitcher));
         this.setKeybindingHandler('switch_to_workspace_down', Lang.bind(this, this._showWorkspaceSwitcher));
         this.setKeybindingHandler('switch_windows', Lang.bind(this, this._startAppSwitcher));
+        this.setKeybindingHandler('switch_group', Lang.bind(this, this._startAppSwitcher));
 
         Main.overview.connect('showing', Lang.bind(this, function() {
             for (let i = 0; i < this._dimmedWindows.length; i++)
@@ -520,7 +521,7 @@ WindowManager.prototype = {
 
         let tabPopup = new AltTab.AltTabPopup();
 
-        if (!tabPopup.show(backwards))
+        if (!tabPopup.show(backwards, binding == 'switch_group'))
             tabPopup.destroy();
     },