From 702fb777b11625abc9e3851a6d30a7d2fb3b789c Mon Sep 17 00:00:00 2001
From: Bastien Nocera <hadess@hadess.net>
Date: Tue, 26 Apr 2011 14:38:30 +0100
Subject: [PATCH] region: Add "clear" secondary icon to search entry

https://bugzilla.gnome.org/show_bug.cgi?id=647717
---
 .../gnome-region-panel-layout-chooser.ui      |  3 +++
 panels/region/gnome-region-panel-xkbltadd.c   | 26 +++++++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/panels/region/gnome-region-panel-layout-chooser.ui b/panels/region/gnome-region-panel-layout-chooser.ui
index 43341f26b..7140d82d9 100644
--- a/panels/region/gnome-region-panel-layout-chooser.ui
+++ b/panels/region/gnome-region-panel-layout-chooser.ui
@@ -151,6 +151,9 @@
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
                 <property name="invisible_char">•</property>
+                <property name="secondary-icon-name">edit-find-symbolic</property>
+                <property name="secondary-icon-activatable">False</property>
+                <property name="secondary-icon-sensitive">False</property>
               </object>
               <packing>
                 <property name="expand">False</property>
diff --git a/panels/region/gnome-region-panel-xkbltadd.c b/panels/region/gnome-region-panel-xkbltadd.c
index 2cd588af0..c2a3dc417 100644
--- a/panels/region/gnome-region-panel-xkbltadd.c
+++ b/panels/region/gnome-region-panel-xkbltadd.c
@@ -243,6 +243,15 @@ xkl_layout_add_to_list (XklConfigRegistry * config,
 	g_free (language_desc);
 }
 
+static void
+xkb_layout_filter_clear (GtkEntry            *entry,
+			 GtkEntryIconPosition icon_pos,
+			 GdkEvent            *event,
+			 gpointer             user_data)
+{
+	gtk_entry_set_text (entry, "");
+}
+
 static void
 xkb_layout_filter_changed (GtkBuilder * chooser_dialog)
 {
@@ -254,6 +263,20 @@ xkb_layout_filter_changed (GtkBuilder * chooser_dialog)
 	    gtk_entry_get_text (GTK_ENTRY (xkb_layout_filter));
 	gchar *upattern = g_utf8_strup (pattern, -1);
 
+	if (!g_strcmp0 (pattern, "")) {
+		g_object_set (G_OBJECT (xkb_layout_filter),
+			      "secondary-icon-name", "edit-find-symbolic",
+			      "secondary-icon-activatable", FALSE,
+			      "secondary-icon-sensitive", FALSE,
+			      NULL);
+	} else {
+		g_object_set (G_OBJECT (xkb_layout_filter),
+			      "secondary-icon-name", "edit-clear-symbolic",
+			      "secondary-icon-activatable", TRUE,
+			      "secondary-icon-sensitive", TRUE,
+			      NULL);
+	}
+
 	if (search_pattern_list != NULL)
 		g_strfreev (search_pattern_list);
 
@@ -363,6 +386,9 @@ xkb_layout_choose (GtkBuilder * dialog)
 				  (xkb_layout_filter_changed),
 				  chooser_dialog);
 
+	g_signal_connect (G_OBJECT (xkb_layout_filter), "icon-release",
+			  G_CALLBACK (xkb_layout_filter_clear), NULL);
+
 	selection =
 	    gtk_tree_view_get_selection (GTK_TREE_VIEW
 					 (xkb_filtered_layouts_list));