/* Motif Tutorial - Hello world */

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

/** Button push callback
 *
 * Called when the user pushes
 * the button.
 *
 */
void button_pushed(Widget widget, XtPointer data, XmPushButtonCallbackStruct * cbs) {
	printf("Button pushed\n");
}

/** Main
 *
 * Creates the application window
 * with a single button and starts
 * Motif event loop.
 *
 */
int main(int argc, char * argv[]) {
	Widget window;    /* Widgets */
	Widget button;
	XtAppContext app; /* Application */
	
	/* Create application window */
	window = XtVaAppInitialize(&app, "Application", NULL, 0, &argc, argv, NULL, NULL);
	
	/* Create button as child
	   of the main window, set
	   callback on push event */
	button = XmCreatePushButton(window, "Button", NULL, 0);
	XtManageChild(button);
	XtAddCallback(button, XmNactivateCallback, (XtCallbackProc) button_pushed, NULL);
	
	/* Display the main window */
	XtRealizeWidget(window);
	
	/* Motif event loop */
	XtAppMainLoop(app);
}