Re: [ROOT] How to use TGImageMap?

From: Christian Holm Christensen (cholm@hehi03.nbi.dk)
Date: Mon May 28 2001 - 17:19:23 MEST


Hi Brett, 

On Mon, 28 May 2001 09:17:46 -0400 (EDT)
Brett Viren <bv@bnl.gov> wrote
concerning ": Re: [ROOT] How to use TGImageMap?":
> I found one problem: You have a wrong connection (Rt is very quiet
> about connection errors).  You need to change:
> 
> 
> Connect("OnMouseOver(Int_t)", "MapTest", this, "DoOverRegion(Int_t)");
> Connect("DoubleClicked()", "MapTest", this, "DoMapClicked()");
> 
> to:
> 
> fImageMap->Connect("OnMouseOver(Int_t)", "MapTest", this, "DoOverRegion(Int_t)");
> fImageMap->Connect("DoubleClicked()", "MapTest", this, "DoMapClicked()");

Doo, what a stupid mistake to make - sorry for bothering you with
that. 

> However, the OnMouseOver(Int_t) signal still doesn't get to its
> handler.  I don't know why.

Yeah, what gives?  And the tooltips doesn't show up either - I can't
see why. 

I think I'll go through Valeriy answer later tonight. 

Thanks for the help. 

Oh, ROOT team: What about an tutorial, Howto or something showing how
to use TGImageMap? Maybe Valeriy example. 

Yours, 

Christian  -----------------------------------------------------------
Holm Christensen                             Phone:  (+45) 35 35 96 91 
  Sankt Hansgade 23, 1. th.                  Office: (+45) 353  25 305 
  DK-2200 Copenhagen N                       Web:    www.nbi.dk/~cholm    
  Denmark                                    Email:       cholm@nbi.dk



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