I thought that must be it, just surprised it's not mentioned in the
documentation:
https://doc.qt.io/qt-5/qobject.html#Q_ENUM
Tom Isaacson
-----Original Message-----
From: Interest <interest-bounces+tom.isaacson=navico....@qt-project.org> On
Behalf Of Henry Skoglund
Sent: Saturday, 27 October 2018 15:20
To: interest@qt-project.org
Subject: Re: [Interest] Q_ENUM doesn't work for private enums
On 27/10/2018 03.07, Tom Isaacson wrote:
> I'm using Qt 5.6 in Visual Studio 2017. I've got a class that looks like:
> class tClass : public QObject
> {
> Q_OBJECT
>
> private:
> enum class eMode
> {
> Mode1,
> Mode2,
> Mode3
> };
>
> When I add:
> Q_ENUM(eMode)
> after the enum declaration I get an error:
> moc_tclass.cpp(): error C2248: 'tClass::eMode': cannot access private enum
> declared in class 'tClass'
> tclass.h(348): note: see declaration of 'tClass:: eMode'
> tclass.h(): note: see declaration of 'tClass
>
> Is this a known limitation of Q_ENUM? Is it fixed in later versions of Qt?
>
Hi, the Q_ENUM macro relies on static data structures declared in the
moc_tclass.cpp file (outside of the scope of the tclass) and these declarations
fail for private stuff. So changing that "private:" to "public:" is the pretty
much your only choice for Q_ENUM to work :-(
Rgrds Henry
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