gtk/demos/gtk-demo/stack.c
Matthias Clasen 609e04ddcf gtk-demo: Cosmetic changes
Clean up the code of many examples in minor ways, fix some memory
leaks, and avoid the use of dialogs where a regular toplevel works
just as well.
2015-06-28 17:41:35 -04:00

39 lines
955 B
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>
GtkWidget *
do_stack (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
if (!window)
{
GtkBuilder *builder;
builder = gtk_builder_new_from_resource ("/stack/stack.ui");
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);
g_object_unref (builder);
}
if (!gtk_widget_get_visible (window))
gtk_widget_show_all (window);
else
gtk_widget_destroy (window);
return window;
}