#include <gtk/gtk.h>

int main( int argc,

          char *argv[] )

{

    GtkWidget *window;

    GtkWidget *aspect_frame;

    GtkWidget *drawing_area;

    gtk_init (&argc, &argv);

    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

    gtk_window_set_title (GTK_WINDOW (window), "Aspect Frame");

    g_signal_connect (G_OBJECT (window), "destroy",

	              G_CALLBACK (gtk_main_quit), NULL);

    gtk_container_set_border_width (GTK_CONTAINER (window), 10);

    /* Create an aspect_frame and add it to our toplevel window */

    aspect_frame = gtk_aspect_frame_new ("2x1", /* label */

                                         0.5, /* center x */

                                         0.5, /* center y */

                                         2, /* xsize/ysize = 2 */

                                         FALSE /* ignore child's aspect */);

    gtk_container_add (GTK_CONTAINER (window), aspect_frame);

    gtk_widget_show (aspect_frame);

    /* Now add a child widget to the aspect frame */

    drawing_area = gtk_drawing_area_new ();

    /* Ask for a 200x200 window, but the AspectFrame will give us a 200x100

     * window since we are forcing a 2x1 aspect ratio */

    gtk_widget_set_size_request (drawing_area, 200, 200);

    gtk_container_add (GTK_CONTAINER (aspect_frame), drawing_area);

    gtk_widget_show (drawing_area);

    gtk_widget_show (window);

    gtk_main ();

    return 0;

}