gtk/demos/gtk-demo/scale.c

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2015-07-31 20:36:02 +00:00
/* Scale
*
* GtkScale is a way to select a value from a range.
* Scales can have marks to help pick special values,
* and they can also restrict the values that can be
* chosen.
*/
#include <gtk/gtk.h>
GtkWidget *
do_scale (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
if (!window)
{
GtkBuilder *builder;
builder = gtk_builder_new_from_resource ("/scale/scale.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;
}