/** configure.c **/
#include <gnome.h>

gint eventDelete(GtkWidget *widget,
        GdkEvent *event,gpointer data);
gint eventDestroy(GtkWidget *widget,
        GdkEvent *event,gpointer data);
gboolean eventDraw(GtkWidget *widget,
        GdkEvent *event,gpointer data);
gboolean eventConfigure(GtkWidget *widget,
        GdkEventConfigure *event,gpointer data);

static int width = 20;
static int height = 20;

int main(int argc,char *argv[])
{
    GtkWidget *app;
    GtkWidget *area;

    gnome_init("configure","1.0",argc,argv);
    app = gnome_app_new("configure","Resizing Rectangles");
    gtk_signal_connect(GTK_OBJECT(app),"delete_event",
            GTK_SIGNAL_FUNC(eventDelete),NULL);
    gtk_signal_connect(GTK_OBJECT(app),"destroy",
            GTK_SIGNAL_FUNC(eventDestroy),NULL);

    area = gtk_drawing_area_new();
    gtk_widget_set_usize(area,width,height);
    gnome_app_set_contents(GNOME_APP(app),area);

    gtk_signal_connect(GTK_OBJECT(area),"expose-event",
            GTK_SIGNAL_FUNC(eventDraw),NULL);
    gtk_signal_connect(GTK_OBJECT(area),"configure-event",
            GTK_SIGNAL_FUNC(eventConfigure),NULL);

    gtk_widget_show_all(app);
    gtk_main();
    exit(0);
}
gboolean eventDraw(GtkWidget *widget,
        GdkEvent *event,gpointer data) {
    gint xDelta = width / 5;
    gint yDelta = height / 5; 

    gdk_draw_rectangle(widget->window,
            widget->style->white_gc,
            TRUE,
            0,0,
            width,height);
    
    gdk_draw_rectangle(widget->window,
            widget->style->black_gc,
            TRUE,
            xDelta,yDelta,
            width - (2 * xDelta),height - (2 * yDelta));

    xDelta *= 2;
    yDelta *= 2;
    gdk_draw_rectangle(widget->window,
            widget->style->white_gc,
            TRUE,
            xDelta,yDelta,
            width - (2 * xDelta),height - (2 * yDelta));

    return(TRUE);
}
gboolean eventConfigure(GtkWidget *widget,
        GdkEventConfigure *event,gpointer data) {

    width = event->width;
    height = event->height;

    return(TRUE);
}
gint eventDelete(GtkWidget *widget,
        GdkEvent *event,gpointer data) {
    return(FALSE);
}
gint eventDestroy(GtkWidget *widget,
        GdkEvent *event,gpointer data) {
    gtk_main_quit();
    return(0);
}