#include <Xm/Xm.h>
#include <Xm/DrawingA.h>

Display *dsp;
Screen *scrn;

void
drawCB(Widget w, XtPointer client_data, XmDrawingAreaCallbackStruct *cbk)
{
	XEvent *event;
	GC  gc;
	Window win;
	int x, y, width, height;

	XtVaGetValues(w, XmNuserData, &gc, NULL);
	win = XtWindow(w);

	y = x = 10;
	width = 100;
	height = 50;

	XDrawPoint(dsp, win, gc, 50, 50);
}

int
main(int argc, char *argv[])
{
	Widget top, draw;
	XtAppContext app;
	XGCValues gcv;
	GC gc;

	top = XtVaOpenApplication(&app, "drawm", NULL, 0, &argc, argv,
		NULL, sessionShellWidgetClass, NULL);

	draw = XtVaCreateWidget("draw", xmDrawingAreaWidgetClass, top,
		XmNwidth, 600,
		XmNheight, 400,
		NULL);
	dsp = XtDisplay(draw);
	scrn = XtScreen(draw);

	XtAddCallback(draw, XmNexposeCallback, drawCB, NULL);
	gcv.foreground = BlackPixelOfScreen(scrn);
	gc = XCreateGC(dsp, RootWindowOfScreen(scrn), GCForeground, &gcv);
	XtVaSetValues(draw, XmNuserData, gc, NULL);
	XtManageChild(draw);

	XtRealizeWidget(top);
	XtAppMainLoop(app);
	return 0;
}