gtk2/demos/gtk-demo/stack.c
2013-04-21 21:51:27 -04:00

49 lines
1.1 KiB
C

/* 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;
}