[gtk+] widget-factory: Make the record button more interesting

[Matthias Clasen <matthiasc src gnome org>]

commit b22919220b9183bdd00ec58768a82fb28d1ea716
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Oct 3 01:13:02 2014 -0400

    widget-factory: Make the record button more interesting

 demos/widget-factory/widget-factory.c  |   14 ++++++++++++++
 demos/widget-factory/widget-factory.ui |    3 ++-
 2 files changed, 16 insertions(+), 1 deletions(-)
---
diff --git a/demos/widget-factory/widget-factory.c b/demos/widget-factory/widget-factory.c
index 53a044b..12d10a9 100644
--- a/demos/widget-factory/widget-factory.c
+++ b/demos/widget-factory/widget-factory.c
@@ -291,6 +291,19 @@ on_scale_button_value_changed (GtkScaleButton *button,
 }
 
 static void
+on_record_button_toggled (GtkToggleButton *button,
+                          gpointer         user_data)
+{
+  GtkStyleContext *context;
+
+  context = gtk_widget_get_style_context (GTK_WIDGET (button));
+  if (gtk_toggle_button_get_active (button))
+    gtk_style_context_remove_class (context, "destructive-action");
+  else
+    gtk_style_context_add_class (context, "destructive-action");
+}
+
+static void
 update_header (GtkListBoxRow *row,
                GtkListBoxRow *before,
                gpointer       data)
@@ -882,6 +895,7 @@ activate (GApplication *app)
   gtk_builder_add_callback_symbol (builder, "on_entry_icon_release", (GCallback)on_entry_icon_release);
   gtk_builder_add_callback_symbol (builder, "on_scale_button_value_changed", 
(GCallback)on_scale_button_value_changed);
   gtk_builder_add_callback_symbol (builder, "on_scale_button_query_tooltip", 
(GCallback)on_scale_button_query_tooltip);
+  gtk_builder_add_callback_symbol (builder, "on_record_button_toggled", (GCallback)on_record_button_toggled);
 
   gtk_builder_connect_signals (builder, NULL);
 
diff --git a/demos/widget-factory/widget-factory.ui b/demos/widget-factory/widget-factory.ui
index 158f90f..c56a66c 100644
--- a/demos/widget-factory/widget-factory.ui
+++ b/demos/widget-factory/widget-factory.ui
@@ -3239,9 +3239,10 @@ microphone-sensitivity-medium-symbolic</property>
                           </object>
                         </child>
                         <child>
-                          <object class="GtkButton">
+                          <object class="GtkToggleButton" id="record_button">
                             <property name="visible">True</property>
                             <property name="halign">center</property>
+                            <signal name="toggled" handler="on_record_button_toggled"/>
                             <style>
                               <class name="text-button"/>
                               <class name="image-button"/>