[QScintilla] QScintilla folding display issue with Qt4 (did not exist with Qt3)

[Phil Thompson]

On Wed, 10 Jun 2009 12:16:20 +0200, Gilles Depeyrot <gsd at dolphin.fr> wrote:
> Hi,
> 
> We are porting a cross-platform application from Qt3.3.8 to Qt4.4.3
> which uses QScintilla 2.3.2.
> A class of our application inherits QsciScintilla, and uses the Folding
> functionality.
> 
> A problem has appeared in the Qt4 version of our application that does
> not occur in the Qt3 version:
> 
>   - the display of the folding margin is not correct (screenshot
> attached) under Linux, while it is correct under Windows.
> 
> This display problem occurs even if there is no lexer.
> We have tried updating to QScintilla 2.4 but the problem persists.
> 
> Any hints as to what might be causing this behavior?

I don't think anybody else has reported this problem.

> Are there additional initialization steps that should be performed for
> QScintilla with Qt4 that were not needed with Qt3?

No.

Do you have a small test case so that I can reporoduce the problem?

Phil