Learning_GTK4_tree/demos/gtk-demo/stack.c

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2023-12-12 11:36:42 +01:00
/* 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");
window = GTK_WIDGET (gtk_builder_get_object (builder, "window1"));
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
g_object_unref (builder);
}
if (!gtk_widget_get_visible (window))
gtk_widget_set_visible (window, TRUE);
else
gtk_window_destroy (GTK_WINDOW (window));
return window;
}