gtk2/demos/gtk-demo/expander.c
Matthias Clasen 1204a850f3 Formatting cleanups
While we normally try to avoid whitespace fixes, the gtk-demo
code is shown as exemplary, so it should be in good shape,
formatting-wise.
2011-09-01 23:56:58 -04:00

60 lines
1.7 KiB
C

/* Expander
*
* GtkExpander allows to provide additional content that is initially hidden.
* This is also known as "disclosure triangle".
*
*/
#include <gtk/gtk.h>
static GtkWidget *window = NULL;
GtkWidget *
do_expander (GtkWidget *do_widget)
{
GtkWidget *content_area;
GtkWidget *vbox;
GtkWidget *label;
GtkWidget *expander;
if (!window)
{
window = gtk_dialog_new_with_buttons ("GtkExpander",
GTK_WINDOW (do_widget),
0,
GTK_STOCK_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);
label = gtk_label_new ("Expander demo. Click on the triangle for details.");
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
/* Create the expander */
expander = gtk_expander_new ("Details");
gtk_box_pack_start (GTK_BOX (vbox), expander, FALSE, FALSE, 0);
label = gtk_label_new ("Details can be shown or hidden.");
gtk_container_add (GTK_CONTAINER (expander), label);
}
if (!gtk_widget_get_visible (window))
gtk_widget_show_all (window);
else
gtk_widget_destroy (window);
return window;
}