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Re: [Libqtlua-list] Accessing QObject inside a property in Lua

From: Alexandre Becoulet
Subject: Re: [Libqtlua-list] Accessing QObject inside a property in Lua
Date: Mon, 17 Jan 2011 23:27:38 +0100
User-agent: KMail/1.13.5 (Linux/2.6.36-ARCH; KDE/4.5.5; x86_64; ; )

On Monday, January 17, 2011 07:39:37 pm you wrote:


> >> > I guessed that. The problem is once registered as a Qt meta type,
> >> > MainWindow* and QObject* are just different meta types. Qt meta types
> >> > system does not enable QtLua to guess at runtime that MainWindow* can
> >> > be interpreted as a QObject*, due to C++ inheritance rules.

I found no way to even detect if the type is a pointer to a QObject or if its 
an array of floats or anything else from the registered meta type id. 
QMetaType is not designed to return a pointer to the QMetaObject when 
relevant. Any idea?

> > It should not take too long for me to implement, it's just a matter of
> > accessing a QMap in the 'default:' section of a switch statement to
> > handle dynamically registered types cases. I have precise idea of how
> > user callbacks should be implemented and will update the manual with
> > examples.

> Very good! Thanks! I'm looking forward to this feature. You can count
> on me if you need any help.

Commited in subversion. Have a look to:


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