Question

I am trying to capture keyboard events when there isn’t a widget with the focus. I tried adding this to a composite widget :

    addDomHandler(new KeyPressHandler(){
        public void onKeyPress(KeyPressEvent event) {
            logger.info("onKeyPress: "+event);
        }
    }, KeyPressEvent.getType());

but I am not trapping the keyboard events. I’d like to be able to determine when the Ctrl key is press whilst a mousedown event is occuring. How can I do that?

Answer 1

Use MouseDownHandler:

MouseDownHandler mouseDownHandler = new MouseDownHandler() {

    @Override
    public void onMouseDown(MouseDownEvent event) {
        if (event.isControlKeyDown()) {
            // do something
        }
    }

};
myCompositeWidget.addDomHandler(mouseDownHandler, MouseDownEvent.getType());