[gnome-control-center] region: Populate the language list

[Bastien Nocera <hadess src gnome org>]

commit 395e310512e9866e9e4898a64abf44d704c88097
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Jan 25 18:44:21 2011 +0000

    region: Populate the language list
    
    Using the new common/ helper functions.

 panels/region/cc-region-panel.c         |    9 ++--
 panels/region/gnome-region-panel-lang.c |   89 ++++++++++++++++++++++++++++++-
 panels/region/gnome-region-panel.ui     |   15 ++++-
 3 files changed, 105 insertions(+), 8 deletions(-)
---
diff --git a/panels/region/cc-region-panel.c b/panels/region/cc-region-panel.c
index eb30eb4..06b673f 100644
--- a/panels/region/cc-region-panel.c
+++ b/panels/region/cc-region-panel.c
@@ -128,15 +128,16 @@ cc_region_panel_init (CcRegionPanel * self)
 		return;
 	}
 
-	setup_images (priv->builder);
-	setup_xkb_tabs (priv->builder);
-	setup_language (priv->builder);
-
 	prefs_widget = (GtkWidget *) gtk_builder_get_object (priv->builder,
 							     "region_notebook");
 	gtk_widget_set_size_request (GTK_WIDGET (prefs_widget), -1, 400);
 
 	gtk_widget_reparent (prefs_widget, GTK_WIDGET (self));
+
+
+	setup_images (priv->builder);
+	setup_xkb_tabs (priv->builder);
+	setup_language (priv->builder);
 }
 
 void
diff --git a/panels/region/gnome-region-panel-lang.c b/panels/region/gnome-region-panel-lang.c
index a1a603a..a7f725b 100644
--- a/panels/region/gnome-region-panel-lang.c
+++ b/panels/region/gnome-region-panel-lang.c
@@ -28,9 +28,96 @@
 
 #include "gnome-region-panel-lang.h"
 #include "cc-common-language.h"
+#include "gdm-languages.h"
+
+static GHashTable *
+new_ht_for_user_languages (void)
+{
+	GHashTable *ht;
+	char *name;
+	char *language;
+
+	ht = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
+
+	/* FIXME: As in um-language-dialog.c, we should add the
+	 * languages used by other users on the system */
+
+	/* Add current locale */
+	name = cc_common_language_get_current_language ();
+	language = gdm_get_language_from_name (name, NULL);
+	g_hash_table_insert (ht, name, language);
+
+	return ht;
+}
+
+static void
+remove_timeout (gpointer data,
+		GObject *where_the_object_was)
+{
+	guint timeout = GPOINTER_TO_UINT (data);
+	g_source_remove (timeout);
+}
+
+static gboolean
+finish_language_setup (gpointer user_data)
+{
+	GtkWidget *list = (GtkWidget *) user_data;
+	GtkTreeModel *model;
+	GtkWidget *parent;
+	GHashTable *user_langs;
+	guint timeout;
+
+	/* Did we get called after the widget was destroyed? */
+	if (list == NULL)
+		return FALSE;
+
+	model = gtk_tree_view_get_model (GTK_TREE_VIEW (list));
+	user_langs = g_object_get_data (G_OBJECT (list), "user-langs");
+
+	cc_common_language_add_available_languages (GTK_LIST_STORE (model), user_langs);
+
+	parent = gtk_widget_get_toplevel (list);
+	gdk_window_set_cursor (gtk_widget_get_window (parent), NULL);
+
+	g_object_set_data (G_OBJECT (list), "user-langs", NULL);
+	timeout = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (list), "timeout"));
+	g_object_weak_unref (G_OBJECT (list), (GWeakNotify) remove_timeout, GUINT_TO_POINTER (timeout));
+
+	return FALSE;
+}
 
 void
 setup_language (GtkBuilder *builder)
 {
-	g_message ("TODO");
+	GtkWidget *treeview;
+	GHashTable *user_langs;
+	GtkWidget *parent;
+	GtkTreeModel *model;
+	GdkWindow *window;
+	guint timeout;
+
+	treeview = GTK_WIDGET (gtk_builder_get_object (builder, "display_language_treeview"));
+	parent = gtk_widget_get_toplevel (treeview);
+	g_message ("parent %p", parent);
+
+	/* Add user languages */
+	user_langs = new_ht_for_user_languages ();
+	cc_common_language_setup_list (treeview, user_langs);
+	model = gtk_tree_view_get_model (GTK_TREE_VIEW (treeview));
+
+	/* Setup so that the list is populated after the list appears */
+	window = gtk_widget_get_window (parent);
+	if (window) {
+		GdkCursor *cursor;
+
+		cursor = gdk_cursor_new (GDK_WATCH);
+		gdk_window_set_cursor (gtk_widget_get_window (parent), cursor);
+		g_object_unref (cursor);
+	}
+
+	g_object_set_data_full (G_OBJECT (treeview), "user-langs",
+				user_langs, (GDestroyNotify) g_hash_table_destroy);
+	timeout = g_idle_add ((GSourceFunc) finish_language_setup, treeview);
+	g_object_set_data (G_OBJECT (treeview), "timeout", GUINT_TO_POINTER (timeout));
+	g_object_weak_ref (G_OBJECT (treeview), (GWeakNotify) remove_timeout, GUINT_TO_POINTER (timeout));
 }
diff --git a/panels/region/gnome-region-panel.ui b/panels/region/gnome-region-panel.ui
index b9d431a..380ea7e 100644
--- a/panels/region/gnome-region-panel.ui
+++ b/panels/region/gnome-region-panel.ui
@@ -119,11 +119,20 @@
                         <property name="can_focus">False</property>
                         <property name="spacing">12</property>
                         <child>
-                          <object class="GtkTreeView" id="display_language_treeview">
+                          <object class="GtkScrolledWindow" id="scrolledwindow2">
                             <property name="visible">True</property>
                             <property name="can_focus">True</property>
-                            <child internal-child="selection">
-                              <object class="GtkTreeSelection" id="treeview-selection"/>
+                            <property name="hscrollbar_policy">never</property>
+                            <property name="shadow_type">in</property>
+                            <child>
+                              <object class="GtkTreeView" id="display_language_treeview">
+                                <property name="visible">True</property>
+                                <property name="can_focus">True</property>
+                                <property name="headers_visible">False</property>
+                                <child internal-child="selection">
+                                  <object class="GtkTreeSelection" id="treeview-selection"/>
+                                </child>
+                              </object>
                             </child>
                           </object>
                           <packing>