[gtk+] file chooser: Improve keynav

[Matthias Clasen <matthiasc src gnome org>]

commit 1883c5fb28409dc3726e6586d38df4b12c88304c
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jun 27 12:23:48 2015 -0400

    file chooser: Improve keynav
    
    Some internal containers were erroneously taking focus, interrupting
    the flow of tab keynav, and using arrow keynav to go from the file
    list to the sidebar did not work anymore, after the recent sidebar
    rewrite.

 gtk/gtkfilechooserwidget.c     |    4 ++--
 gtk/ui/gtkfilechooserwidget.ui |    8 +-------
 2 files changed, 3 insertions(+), 9 deletions(-)
---
diff --git a/gtk/gtkfilechooserwidget.c b/gtk/gtkfilechooserwidget.c
index 089fb9d..5a5acde 100644
--- a/gtk/gtkfilechooserwidget.c
+++ b/gtk/gtkfilechooserwidget.c
@@ -1227,8 +1227,8 @@ browse_files_key_press_event_cb (GtkWidget   *widget,
 
   if (key_is_left_or_right (event))
     {
-      gtk_widget_grab_focus (priv->places_sidebar);
-      return TRUE;
+      if (gtk_widget_child_focus (priv->places_sidebar, GTK_DIR_LEFT))
+        return TRUE;
     }
 
   if ((event->keyval == GDK_KEY_Return
diff --git a/gtk/ui/gtkfilechooserwidget.ui b/gtk/ui/gtkfilechooserwidget.ui
index 5d97e71..8f14a85 100644
--- a/gtk/ui/gtkfilechooserwidget.ui
+++ b/gtk/ui/gtkfilechooserwidget.ui
@@ -11,11 +11,10 @@
         <child>
           <object class="GtkPaned" id="browse_widgets_hpaned">
             <property name="visible">True</property>
-            <property name="can_focus">True</property>
             <child>
               <object class="GtkPlacesSidebar" id="places_sidebar">
                 <property name="visible">True</property>
-                <property name="can_focus">True</property>
+                <property name="can_focus">False</property>
                 <property name="hscrollbar_policy">never</property>
                 <property name="local_only">True</property>
                 <property name="show_enter_location">True</property>
@@ -50,7 +49,6 @@
                         <child>
                           <object class="GtkStack" id="browse_header_stack">
                             <property name="visible">True</property>
-                            <property name="can_focus">True</property>
                             <property name="transition-type">crossfade</property>
                             <child>
                               <object class="GtkBox">
@@ -60,7 +58,6 @@
                                 <child>
                                   <object class="GtkPathBar" id="browse_path_bar">
                                     <property name="visible">True</property>
-                                    <property name="can_focus">False</property>
                                     <signal name="path-clicked" handler="path_bar_clicked" after="yes" 
swapped="no"/>
                                   </object>
                                   <packing>
@@ -70,7 +67,6 @@
                                 <child>
                                   <object class="GtkMenuButton" id="browse_new_folder_button">
                                     <property name="tooltip-text" translatable="yes">Create Folder</property>
-                                    <property name="can_focus">True</property>
                                     <property name="use_underline">True</property>
                                     <property name="popover">new_folder_popover</property>
                                     <signal name="notify::active" handler="new_folder_popover_active"/>
@@ -148,12 +144,10 @@
                         <child>
                           <object class="GtkScrolledWindow" id="browse_files_swin">
                             <property name="visible">True</property>
-                            <property name="can_focus">True</property>
                             <property name="hscrollbar_policy">never</property>
                             <child>
                               <object class="GtkTreeView" id="browse_files_tree_view">
                                 <property name="visible">True</property>
-                                <property name="can_focus">True</property>
                                 <property name="has_tooltip">True</property>
                                 <property name="enable-search">False</property>
                                 <child internal-child="accessible">