Re: [wxperl-users] Wx::PreviewFrame issues

[Mattia B. <mat...@li...>]

On Fri, 11 Mar 2005 10:22:38 +0200 Mark Wardell <ma...@ne...> wrote:

  Hello,
   
> I am trying to enhance the printing and previewing side of things ...
> 
> I have a Wx::Dialog with report related options and buttons that launch a
> Wx::PreviewFrame by means of a Preview button. With the PreviewFrame active
> and I have clicked on the Print canvas to be sure, if I push Enter the
> default button on the dialog (now hidden and behind the PreviewFrame) is
> activated and another preview frame is created, if I press the Escape key
> the wxID_CANCEL button is activated and the dialog closes leaving the
> PreviewFrame on screen. Has anyone had any experience with this?
> 
> Is there anyway to override the CreateControlBar or Initialize methods? If I
> could do this then I could try and look at control focus issues regrading
> above problem. I could also create my own ControlBar with improved features.

  Looking at the C++ code it might not be that simple (the code does not
look very flexible). As far as I can see your problem comes from the EVT_CHAR
handler of the wxPreviewCanvas. As a workaround you could try to:

* call $previewframe->Initialize
* use $previewframe->GetChildren and get the wxPreviewCanvas
* add an empty EVT_CHAR handler

Regards
Mattia