Re: [ROOT] how to handle mouse events in root

From: Fons Rademakers (Fons.Rademakers@cern.ch)
Date: Tue Jul 30 2002 - 22:08:37 MEST


Hi Jo,

  see this message and the associated thread.

Cheers, Fons.


On Tue, 2002-07-30 at 21:31, Jo Schambach wrote:
> Forgive me if this question is a FAQ or has been answered before:
> 
> How does one handle mouse events in a custom root application?
> Specifically, here is what I would like to do:
> I have a canvas with 2 pads, one pad containing a 2d histo, the other a 1d
> histo. When the user left clicks (or shift clicks, if left click is already
> used) on the 2d histo, I would like to display the projection of the 2d histo
> at the mouse location in the 1d histo. So I need a way of getting notified
> about the fact and the location of the "left-mouse-click". 
> Thanks for any help in advance.
> 
> Regards,
> 
> Jo
> -- 
> *******************************************************
> Dr Joachim Schambach
> Physics Department, RLM 5.208 -C1600
> University of Texas
> Austin, TX 78712, USA
> Phone: (512) 471-1303; FAX: (781) 998-5513
> e-mail: jschamba@physics.utexas.edu
-- 
Org:    CERN, European Laboratory for Particle Physics.
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E-Mail: Fons.Rademakers@cern.ch              Phone: +41 22 7679248
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