gtk/demos/gtk-demo/spinner.c

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/* Spinner
*
* GtkSpinner allows to show that background activity is on-going.
*/
#include <glib/gi18n.h>
#include <gtk/gtk.h>
static GtkWidget *spinner_sensitive = NULL;
static GtkWidget *spinner_unsensitive = NULL;
static void
on_play_clicked (GtkButton *button, gpointer user_data)
{
gtk_spinner_start (GTK_SPINNER (spinner_sensitive));
gtk_spinner_start (GTK_SPINNER (spinner_unsensitive));
}
static void
on_stop_clicked (GtkButton *button, gpointer user_data)
{
gtk_spinner_stop (GTK_SPINNER (spinner_sensitive));
gtk_spinner_stop (GTK_SPINNER (spinner_unsensitive));
}
GtkWidget *
do_spinner (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *button;
GtkWidget *spinner;
if (!window)
{
window = gtk_window_new ();
gtk_window_set_transient_for (GTK_WINDOW (window), GTK_WINDOW (do_widget));
gtk_window_set_title (GTK_WINDOW (window), "Spinner");
gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10);
gtk_widget_set_margin_top (vbox, 5);
gtk_widget_set_margin_bottom (vbox, 5);
gtk_widget_set_margin_start (vbox, 5);
gtk_widget_set_margin_end (vbox, 5);
gtk_window_set_child (GTK_WINDOW (window), vbox);
/* Sensitive */
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
spinner = gtk_spinner_new ();
gtk_box_append (GTK_BOX (hbox), spinner);
gtk_box_append (GTK_BOX (hbox), gtk_entry_new ());
gtk_box_append (GTK_BOX (vbox), hbox);
spinner_sensitive = spinner;
/* Disabled */
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
spinner = gtk_spinner_new ();
gtk_box_append (GTK_BOX (hbox), spinner);
gtk_box_append (GTK_BOX (hbox), gtk_entry_new ());
gtk_box_append (GTK_BOX (vbox), hbox);
spinner_unsensitive = spinner;
gtk_widget_set_sensitive (hbox, FALSE);
button = gtk_button_new_with_label (_("Play"));
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (on_play_clicked), spinner);
gtk_box_append (GTK_BOX (vbox), button);
button = gtk_button_new_with_label (_("Stop"));
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (on_stop_clicked), spinner);
gtk_box_append (GTK_BOX (vbox), button);
/* Start by default to test for:
* https://bugzilla.gnome.org/show_bug.cgi?id=598496 */
on_play_clicked (NULL, NULL);
}
if (!gtk_widget_get_visible (window))
gtk_widget_set_visible (window, TRUE);
else
gtk_window_destroy (GTK_WINDOW (window));
return window;
}