Add a GtkStack example to gtk-demo

1 files changed, 48 insertions, 0 deletions

diff --git a/demos/gtk-demo/stack.c b/demos/gtk-demo/stack.c
new file mode 100644
index 0000000000..badcd99ba0
--- /dev/null
+++ b/demos/gtk-demo/stack.c
@@ -0,0 +1,48 @@
+/* Stack
+ *
+ * GtkStack is a container that shows a single child at a time,
+ * with nice transitions when the visible child changes.
+ *
+ * GtkStackSwitcher adds buttons to control which child is visible.
+ */
+
+#include <gtk/gtk.h>
+
+static GtkBuilder *builder;
+
+GtkWidget *
+do_stack (GtkWidget *do_widget)
+{
+  static GtkWidget *window = NULL;
+  GError *err = NULL;
+
+  if (!window)
+    {
+      builder = gtk_builder_new ();
+      gtk_builder_add_from_resource (builder, "/stack/stack.ui", &err);
+      if (err)
+        {
+          g_error ("ERROR: %s\n", err->message);
+          return NULL;
+        }
+      gtk_builder_connect_signals (builder, NULL);
+      window = GTK_WIDGET (gtk_builder_get_object (builder, "window1"));
+      gtk_window_set_screen (GTK_WINDOW (window),
+                             gtk_widget_get_screen (do_widget));
+      g_signal_connect (window, "destroy",
+                        G_CALLBACK (gtk_widget_destroyed), &window);
+    }
+
+  if (!gtk_widget_get_visible (window))
+    {
+      gtk_widget_show_all (window);
+    }
+  else
+    {
+      gtk_widget_destroy (window);
+      window = NULL;
+    }
+
+
+  return window;
+}