On Monday, February 17, 2014 09:37:00 Graham Labdon wrote:
> Hi
>
> I am trying to use QMetaType::metaObjectForType but it is always returning
> NULL
>
> I have attached my class declaration and would be grateful if anyone can
> explain why I am getting a NULL return value
>
> Many thanks
> metatype.txt
> metatype.txt
> Class.h -
> class Widget : public QWidget
> {
> Q_OBJECT
>
> public:
> Q_INVOKABLE Widget(QWidget *parent=0);
> Widget(const Widget& other);
> ~Widget();
> };
>
> Q_DECLARE_METATYPE(Widget)
Remove this line.
>
> Class.cpp
> const int WidgetTypeID = qRegisterMetaType<Widget>("Widget");
Register the pointer. Don't specify the string:
qRegisterMetaType<Widget*>();
Most likely you should move this from global scope to your usage section.
>
> Usage
> int id = QMetaType::type("Widget");
int id = QMetaType::type("Widget*");
Thanks,
--
Stephen Kelly <stephen.ke...@kdab.com> | Software Engineer
KDAB (Deutschland) GmbH & Co.KG, a KDAB Group Company
www.kdab.com || Germany +49-30-521325470 || Sweden (HQ) +46-563-540090
KDAB - Qt Experts - Platform-Independent Software Solutions
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