[Qgis-developer] Qt Minimum Version

[Tim Sutton]

+1

On 11/25/06, Gavin Macaulay <gavin at macaulay.co.nz> wrote:
> Hi,
>
> I've also been thinking that Qt4.2 should be the minimum for Qgis 0.8. It
> fixes a number of non-Mac problems as well.
>
> Gavin
>
> > Hi all,
> >
> > Would it be a problem to make Qt 4.2 the minimum version for QGIS 8.0?
> >
> > The API has been changed to provide better Mac-compatibility. Moving to
> > Qt4.2/Mac without using the new API, however, results in a decline in
> > the appearance of Mac buttons.
> >
> > In Qt4.0/Mac, adjacent buttons that ought to have the same size don't.
> > This has been fixed by adding a QDialogButtonBox layout class. Using
> > this class, however, will make QGIS unbuildable for < Qt 4.2.
> >
> > The QMessageBox API has also been changed to support cross-platform
> > button layouts. In addition to better looking button sizes on a Mac,
> > QDialogButtonBox and the new QMessageBox automatically swap the
> > affirmative and cancel buttons so that the affirmative button is on the
> > right for a Mac (where it belongs :) ).
> >
> > Another benefit of Qt4.2/Mac is that a Mac crash when closing the QGIS
> > Attribute Table window has been fixed. There is a new Mac crash,
> > however, when opening the Vector Properties dialog. Since Raster
> > Properties opens ok, it may be a case of needing to update something. I
> > have found that removing Qt3 compatibility calls sometimes fixes
> > Mac-only problems. Perhaps obsolete Qt4.0 routines are now causing Mac
> > problems as well.
> >
> > Tom
> > _______________________________________________
> > Qgis-developer mailing list
> > Qgis-developer at lists.qgis.org
> > http://lists.qgis.org/cgi-bin/mailman/listinfo/qgis-developer
> >
>
>
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>


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Tim Sutton

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