Java Code Examples for org.eclipse.swt.widgets.Widget#addListener()

The following examples show how to use org.eclipse.swt.widgets.Widget#addListener() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: AbstractExampleTab.java From nebula with Eclipse Public License 2.0

6 votes

private void updateListeners() {
	for (int eventId : eventIds) {
		boolean selected = selectedEvents.contains(new Integer(eventId));

		controlExample.removeListener(eventId, listenerThatPrints);
		if (selected && listen.getSelection()) {
			controlExample.addListener(eventId, listenerThatPrints);
		}

		for (Iterator iterator = additionalEventParticipants.iterator(); iterator.hasNext();) {
			Widget participant = (Widget) iterator.next();

			participant.removeListener(eventId, listenerThatPrints);
			if (selected && listen.getSelection()) {
				participant.addListener(eventId, listenerThatPrints);
			}
		}
	}
}

Example 2

Source File: Popup2.java From gama with GNU General Public License v3.0

6 votes

public Popup2(final IPopupProvider provider, final Widget... controls) {
	super(WorkbenchHelper.getShell(), PopupDialog.HOVER_SHELLSTYLE, false, false, false, false, false, null, null);
	this.provider = provider;
	final Shell parent = provider.getControllingShell();
	parent.addListener(SWT.Move, hide);
	parent.addListener(SWT.Resize, hide);
	parent.addListener(SWT.Close, hide);
	parent.addListener(SWT.Deactivate, hide);
	parent.addListener(SWT.Hide, hide);
	parent.addListener(SWT.Dispose, event -> close());
	for (final Widget c : controls) {
		if (c == null) {
			continue;
		}
		final TypedListener typedListener = new TypedListener(mtl);
		c.addListener(SWT.MouseEnter, typedListener);
		c.addListener(SWT.MouseExit, typedListener);
		c.addListener(SWT.MouseHover, typedListener);
	}
}

Example 3

Source File: EventVsFrp.java From gradle-and-eclipse-rcp with Apache License 2.0

6 votes

@Test(expected = ClassCastException.class)
public void eventBased() {
	Widget widget = (Widget) new Object();
	widget.addListener(SWT.KeyDown, e -> {
		// this is our chance to react
		System.out.println("keyCode=" + e.keyCode);
		// this is how we do filtering
		if (e.keyCode == 'q') {
			System.out.println("user wants to leave talk");
		}
		// this is how we do mapping
		int accel = e.keyCode | e.stateMask;
		String keyPress = Actions.getAcceleratorString(accel);
		System.out.println(keyPress);
	});
}

Example 4

Source File: XkcdColors.java From gradle-and-eclipse-rcp with Apache License 2.0

4 votes

public Lookup(Widget lifecycle) {
	this.executor = Executors.newSingleThreadExecutor();
	lifecycle.addListener(SWT.Dispose, e -> {
		executor.shutdown();
	});
}

Example 5

Source File: AbstractSection.java From uima-uimaj with Apache License 2.0

4 votes

/**
 * Adds the listener for pastable widget.
 *
 * @param w the w
 */
// **************************************************
protected void addListenerForPastableWidget(Widget w) {
  w.addListener(SWT.KeyUp, this);
  w.addListener(SWT.MouseUp, this); // for paste operation
}