Example usage for java.awt Frame isFocused

Introduction

In this page you can find the example usage for java.awt Frame isFocused.

Prototype

public boolean isFocused() 

Source Link

Document

Returns whether this Window is focused.

Usage

From source file:Main.java

/**
 * Utility method that finds the first focused frame. If no frame
 * is focused, then the first visible frame will be returned. 
 * If no frame is visible, then the first frame created by this
 * application will be returned. If no frame was created yet,
 * then <code>null</code> will be returned.
 *  /*from w w w . j  ava  2s.co m*/
 * @return The potential parent window for a dialog
 */
static Window findParentWindow() {
    Frame frames[] = JFrame.getFrames();
    if (frames.length == 0) {
        return null;
    }
    for (Frame f : frames) {
        if (f.isFocused()) {
            return f;
        }
    }
    for (Frame f : frames) {
        if (f.isShowing()) {
            return f;
        }
    }
    return frames[0];
}

---

From source file:org.freeplane.main.application.MapViewDockingWindows.java

public void focusMapViewLater(final MapView mapView) {
    Timer timer = new Timer(40, new ActionListener() {
        int retryCount = 5;

        public void actionPerformed(final ActionEvent event) {
            final Timer eventTimer = (Timer) event.getSource();
            focusMapLater(mapView, eventTimer);
        }/*from w  ww .java 2 s .  c o m*/

        private void focusMapLater(final MapView mapView, final Timer eventTimer) {
            if (mapView.isShowing()
                    && Controller.getCurrentController().getMapViewManager().getMapViewComponent() == mapView) {
                final NodeView selected = mapView.getSelected();
                if (selected != null) {
                    final Frame frame = JOptionPane.getFrameForComponent(mapView);
                    if (frame.isFocused())
                        selected.requestFocusInWindow();
                    else
                        frame.addWindowFocusListener(new WindowAdapter() {
                            @Override
                            public void windowGainedFocus(WindowEvent e) {
                                frame.removeWindowFocusListener(this);
                                selected.requestFocusInWindow();
                                retryCount = 2;
                                eventTimer.start();
                            }
                        });
                }
            }
            if (retryCount > 1) {
                retryCount--;
                eventTimer.start();
            }
        }
    });
    timer.setRepeats(false);
    timer.start();
}

---