#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include <gtk/gtk.h>

#include "callbacks.h"
#include "interface.h"
#include "support.h"


gboolean
on_drawingarea_expose_event(GtkWidget       *widget,
                            GdkEventExpose  *event,
                            gpointer         user_data)
{
	/* DrawingAreaの幅と高さ */
	gint	width =	widget->allocation.width;
	gint	height=	widget->allocation.height;

	/* 黒いグラフィックスコンテキスト */
	GdkGC *gc = widget->style->black_gc;
	
	gdk_draw_line(widget->window,gc,0,0,width,height);
  return FALSE;
}