[gtk+] widget-factory: Make the sliding opt-in

[Matthias Clasen <matthiasc src gnome org>]

commit 87554eb57a101aa6a2e2f3a7a6ff5eaa09a5ede8
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Feb 27 23:12:15 2016 -0500

    widget-factory: Make the sliding opt-in
    
    The sliding is a little disorienting, so turn it off by default
    and add a checkbutton for it in the gear menu.

 demos/widget-factory/widget-factory.c  |   22 ++++++++++++++++++++++
 demos/widget-factory/widget-factory.ui |    5 ++++-
 2 files changed, 26 insertions(+), 1 deletions(-)
---
diff --git a/demos/widget-factory/widget-factory.c b/demos/widget-factory/widget-factory.c
index baa7c43..087c34e 100644
--- a/demos/widget-factory/widget-factory.c
+++ b/demos/widget-factory/widget-factory.c
@@ -38,6 +38,25 @@ change_theme_state (GSimpleAction *action,
   g_simple_action_set_state (action, state);
 }
 
+static GtkWidget *page_stack;
+
+static void
+change_transition_state (GSimpleAction *action,
+                         GVariant      *state,
+                         gpointer       user_data)
+{
+  GtkStackTransitionType transition;
+
+  if (g_variant_get_boolean (state))
+    transition = GTK_STACK_TRANSITION_TYPE_SLIDE_LEFT_RIGHT;
+  else
+    transition = GTK_STACK_TRANSITION_TYPE_NONE;
+
+  gtk_stack_set_transition_type (GTK_STACK (page_stack), transition);
+
+  g_simple_action_set_state (action, state);
+}
+
 static gboolean
 get_idle (gpointer data)
 {
@@ -1621,6 +1640,7 @@ activate (GApplication *app)
   GtkCssProvider *provider;
   static GActionEntry win_entries[] = {
     { "dark", NULL, NULL, "false", change_theme_state },
+    { "transition", NULL, NULL, "false", change_transition_state },
     { "search", activate_search, NULL, NULL, NULL },
     { "delete", activate_delete, NULL, NULL, NULL },
     { "busy", get_busy, NULL, NULL, NULL },
@@ -1757,6 +1777,8 @@ activate (GApplication *app)
   g_signal_connect (stack, "notify::visible-child-name", G_CALLBACK (page_changed_cb), NULL);
   page_changed_cb (stack, NULL, NULL);
 
+  page_stack = stack;
+
   dialog = (GtkWidget *)gtk_builder_get_object (builder, "preference_dialog");
   g_signal_connect (dialog, "response", G_CALLBACK (close_dialog), NULL);
   widget = (GtkWidget *)gtk_builder_get_object (builder, "preference_dialog_button");
diff --git a/demos/widget-factory/widget-factory.ui b/demos/widget-factory/widget-factory.ui
index 2cd966c..42fedcb 100644
--- a/demos/widget-factory/widget-factory.ui
+++ b/demos/widget-factory/widget-factory.ui
@@ -11,6 +11,10 @@
         <attribute name="label" translatable="yes">Dark Theme</attribute>
         <attribute name="action">win.dark</attribute>
       </item>
+      <item>
+        <attribute name="label" translatable="yes">Slide Pages</attribute>
+        <attribute name="action">win.transition</attribute>
+      </item>
     </section>
   </menu>
   <menu id="dinner_menu">
@@ -433,7 +437,6 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
           <object class="GtkStack" id="toplevel_stack">
             <property name="visible">1</property>
             <property name="transition-duration">1000</property>
-            <property name="transition-type">slide-left-right</property>
             <child>
               <object class="GtkBox" id="page1">
                 <property name="visible">1</property>