[wxMac 2.6.3] wxWindowMac::DoClientToScreen returns a point with a negative y

[Laurent Carcone]

Hello Stefan,

Thanks for the tip.

Regards,
Laurent Carcone

On Tue, 29 Aug 2006 13:13:38 +0200
"Stefan Csomor" <csomor at advancedconcepts.ch> wrote:

> Hi
> 
> the client coordinates are the coordinates relative to the client area, which in a mac notebook starts below the tabs, ie where the content is. You could add the GetClientAreaOrigin to get a window relative coordinate
> 
> HTH
> 
> Stefan 
> 
> > -----Original Message-----
> > From: Laurent Carcone [mailto:laurent at w3.org] 
> > Sent: Mittwoch, 23. August 2006 15:32
> > To: wx-users at lists.wxwidgets.org
> > Subject: [wxMac 2.6.3] wxWindowMac::DoClientToScreen returns 
> > a point with a negative y
> > 
> > Hello,
> > We currently use the 2.6.3 release for the web browser/editor 
> > Amaya (http://www/w3.org/Amaya).
> > We use a notebook control to manage multiple documents with 
> > tabs and the event EVT_CONTEXT_MENU to raise a menu when a 
> > user right-click on a tab. That works fine on Linux and 
> > Windows but not on Mac OS X (10.3 and 10.4), the function 
> > HitTest returns -1 as index for the tab in this case.
> > We have the following instructions:
> >    long flags    = 0;
> >    int page_id   = 0;
> >    wxPoint point = event.GetPosition();
> >    page_id   = HitTest(ScreenToClient(point), &flags);
> > Debugging the code, I found that the problem cames from 
> > ScreenToClient and more precisely from the function 
> > wxWindowMac::DoClientToScreen that calculates a point with a 
> > negative y. If I let the x unchanged and force the y (or 
> > ignore the last instruction  if(y) *y -= origin.y; ), the 
> > function HitTest returns the right tab index.
> > 
> > What would be the right way to fix that problem ?
> > 
> > Thanks in advance,
> > -- 
> >   Laurent Carcone	
> >   carcone at w3.org              W3C/ERCIM
> >   +33 (0)4 76 61 52 67        INRIA Rhône-Alpes, 655 Avenue 
> > de l'Europe
> >                               38334 Saint Ismier Cedex - France
> > 
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> > 
> 
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> 
> 


-- 
  Laurent Carcone	
  carcone at w3.org              W3C/ERCIM
  +33 (0)4 76 61 52 67        INRIA Rhône-Alpes, 655 Avenue de l'Europe
                              38334 Saint Ismier Cedex - France