package interop;

import com.sun.glass.ui.Application;
import com.sun.glass.ui.InvokeLaterDispatcher;
import javafx.embed.swt.FXCanvas;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.StackPane;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Display;

public class RT33258 {
        static public void test() {
            Display display = Display.getDefault();

            Shell shell = new Shell(display.getActiveShell(),SWT.MODELESS | SWT.BORDER | SWT.CLOSE);
            shell.setLayout(new FillLayout());

            // fx open shell button
            FXCanvas fxCanvas = new FXCanvas(shell, SWT.NONE);
            StackPane pane = new StackPane();
            pane.setPadding(new Insets(10));
            Button button = new Button("FX Open Shell");
            button.setOnAction(new EventHandler<ActionEvent>() {
                @Override public void handle(ActionEvent e) {
                    test();
                }
            });
            pane.getChildren().add(button);
            Scene scene = new Scene(pane);
            fxCanvas.setScene(scene);
            // swt open shell button
            org.eclipse.swt.widgets.Button b = new org.eclipse.swt.widgets.Button(shell, SWT.NONE);
            b.setText("SWT Open Shell");
            b.addMouseListener(new MouseAdapter() {
                @Override
                public void mouseDown(MouseEvent e) {
                    test();
                }
            });
            shell.pack();
            shell.open ();
		/* event loop
		 	- processes swt/fx events if test() was called from swt
			- processes only swt but no fx events if test() was called from fx
			  all fx events during this time will be processed only after the event loop terminates */
            while (!shell.isDisposed()) {
                try {
                    if (!display.readAndDispatch()) {
                        display.sleep();
                    }
                } catch (Throwable e) {
                    e.printStackTrace();
                }
            }
        }
        // lockup does not occur if this is run as a standalone swt app
        public static void main(String[] args) {
            test();
        }
    }