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 *content_area;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *button;
GtkWidget *spinner;
if (!window)
{
window = gtk_dialog_new_with_buttons ("Spinner",
GTK_WINDOW (do_widget),
0,
_("_Close"),
GTK_RESPONSE_NONE,
NULL);
gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
g_signal_connect (window, "response",
G_CALLBACK (gtk_widget_destroy), NULL);
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed), &window);
content_area = gtk_dialog_get_content_area (GTK_DIALOG (window));
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
gtk_box_pack_start (GTK_BOX (content_area), vbox, TRUE, TRUE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
/* Sensitive */
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
spinner = gtk_spinner_new ();
gtk_container_add (GTK_CONTAINER (hbox), spinner);
gtk_container_add (GTK_CONTAINER (hbox), gtk_entry_new ());
gtk_container_add (GTK_CONTAINER (vbox), hbox);
spinner_sensitive = spinner;
/* Disabled */
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
spinner = gtk_spinner_new ();
gtk_container_add (GTK_CONTAINER (hbox), spinner);
gtk_container_add (GTK_CONTAINER (hbox), gtk_entry_new ());
gtk_container_add (GTK_CONTAINER (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_container_add (GTK_CONTAINER (vbox), button);
button = gtk_button_new_with_label (_("Stop"));
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (on_stop_clicked), spinner);
gtk_container_add (GTK_CONTAINER (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_show_all (window);
else
gtk_widget_destroy (window);
return window;
}