[Lazarus] GroupBox AutoSize issues

Mattias Gaertner nc-gaertnma at netcologne.de
Tue Mar 17 18:20:32 CET 2015

On Tue, 17 Mar 2015 17:05:30 +0000
Henry Vermaak <henry.vermaak at gmail.com> wrote:

> > The LCL gtk2 interface computed the preferred size of a groupbox
> > including the child controls, which lead to a loop.
> > We need another way to compute the size of a groupbox without the child
> > controls.
> I don't understand, how can you know the size of the groupbox if you
> don't know the size of the children?  How does, e.g., a panel do this?
> Sorry if this is a stupid question, the auto size mechanics confuse me a
> bit.

The gtk2 interface only knows the current size of the child
control(s). It does not know the preferred size of the child control(s).


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