Tkinter canvas drag/drop obstacle

[Guilherme Polo]

On Fri, Jun 20, 2008 at 1:11 PM, Peter Pearson <ppearson at nowhere.invalid> wrote:
> Tkinter makes it very easy to drag jpeg images around on a
> canvas, but I would like to have a "target" change color when
> the cursor dragging an image passes over it.  I seem to be
> blocked by the fact that the callbacks that might tell the
> target that the mouse has entered it (<Enter>, <Any-Enter>,
> even <Motion>) aren't called if the mouse's button is down.
> What am I missing?  Have I failed to find the right Tkinter
> document?  Is Tkinter the wrong tool for this job?  Thanks.
>

I believe the only way to achieve this is binding <Motion> to the
entire canvas, then checking if the x, y coords are inside the
"target".

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-- 
-- Guilherme H. Polo Goncalves