[gtk+/gtk-3-18] gtkplacesview: add a clear button to address entry

[Carlos Soriano Sánchez <csoriano src gnome org>]

commit 343fafbc3018a8d2388322436289d17f57a3e094
Author: Carlos Soriano <csoriano gnome org>
Date:   Thu Sep 24 11:26:59 2015 +0200

    gtkplacesview: add a clear button to address entry
    
    So it allows a quick way to clear the entry.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=756568

 gtk/gtkplacesview.c     |   22 ++++++++++++++++++++--
 gtk/ui/gtkplacesview.ui |    1 +
 2 files changed, 21 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkplacesview.c b/gtk/gtkplacesview.c
index 82c755e..2796c7a 100644
--- a/gtk/gtkplacesview.c
+++ b/gtk/gtkplacesview.c
@@ -1828,11 +1828,19 @@ on_address_entry_text_changed (GtkPlacesView *view)
   priv = gtk_places_view_get_instance_private (view);
   supported = FALSE;
   supported_protocols = g_vfs_get_supported_uri_schemes (g_vfs_get_default ());
+  address = g_strdup (gtk_entry_get_text (GTK_ENTRY (priv->address_entry)));
+  if (strlen (address) > 0)
+    gtk_entry_set_icon_from_icon_name (GTK_ENTRY (priv->address_entry),
+                                       GTK_ENTRY_ICON_SECONDARY,
+                                       "edit-clear-symbolic");
+  else
+    gtk_entry_set_icon_from_icon_name (GTK_ENTRY (priv->address_entry),
+                                       GTK_ENTRY_ICON_SECONDARY,
+                                       NULL);
 
   if (!supported_protocols)
-    return;
+    goto out;
 
-  address = g_strdup (gtk_entry_get_text (GTK_ENTRY (priv->address_entry)));
   scheme = g_uri_parse_scheme (address);
 
   if (!scheme)
@@ -1847,6 +1855,15 @@ out:
 }
 
 static void
+on_address_entry_clear_pressed (GtkPlacesView        *view,
+                                GtkEntryIconPosition  icon_pos,
+                                GdkEvent             *event,
+                                GtkEntry             *entry)
+{
+  gtk_entry_set_text (entry, "");
+}
+
+static void
 on_recent_servers_listbox_row_activated (GtkPlacesView    *view,
                                          GtkPlacesViewRow *row,
                                          GtkWidget        *listbox)
@@ -2220,6 +2237,7 @@ gtk_places_view_class_init (GtkPlacesViewClass *klass)
   gtk_widget_class_bind_template_child_private (widget_class, GtkPlacesView, stack);
 
   gtk_widget_class_bind_template_callback (widget_class, on_address_entry_text_changed);
+  gtk_widget_class_bind_template_callback (widget_class, on_address_entry_clear_pressed);
   gtk_widget_class_bind_template_callback (widget_class, on_connect_button_clicked);
   gtk_widget_class_bind_template_callback (widget_class, on_key_press_event);
   gtk_widget_class_bind_template_callback (widget_class, on_listbox_row_activated);
diff --git a/gtk/ui/gtkplacesview.ui b/gtk/ui/gtkplacesview.ui
index 6978255..1a1b84c 100644
--- a/gtk/ui/gtkplacesview.ui
+++ b/gtk/ui/gtkplacesview.ui
@@ -247,6 +247,7 @@
                 <property name="completion">address_entry_completion</property>
                 <signal name="notify::text" handler="on_address_entry_text_changed" object="GtkPlacesView" 
swapped="yes"/>
                 <signal name="activate" handler="on_connect_button_clicked" object="GtkPlacesView" 
swapped="yes"/>
+                <signal name="icon-press" handler="on_address_entry_clear_pressed" object="GtkPlacesView" 
swapped="yes"/>
               </object>
             </child>
             <child>