Tuesday, February 21, 2012

Re: drag with move position events?

Nevermind. I just figured out that if you don't call
event.setData("text", someString) in the DragStart handler, you don't
get the DragOver events that I was looking for.

Rob

On Feb 21, 3:43 pm, Rob <rob.nikan...@gmail.com> wrote:
> I'm trying to implement an drag-like UI gesture where the user clicks
> on a shape in a canvas, starts dragging it, and event handlers adjust
> a value and redraw the canvas, based on the position of the drag.  I'm
> looking at the java doc for DragStartHandler, et al, but it's sparse.
> I thought I'd listen to mousemove, along with the drag events, but it
> stops when the drag starts.  Is there a way to get the x,y positions
> as the drag proceeds?  I'd do it all with mouse down, move, and up;
> except I loose the mouse-up event if it occurs outside the narrow
> canvas element.
>
> Rob

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