creating QWidget Plugins

[Spooky]

No.

//in your application code
MyWidget *pWidget = m_pPlugin->createWidget();
if(pWidget){
  pWidget->someMethod();
}

//in your application code
MyWidget *pWidget = m_pPlugin->createWidget();
if(pWidget){
  pWidget->someMethod();
}

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Well, yeah, I guess it was kind of a stupid question . I am simply a bit confused on how to implement this the "correct" way. So if I want to create plugins that are independent views in the main application, with which the main application interfaces through a certain interface (i.e. ViewInterface). Would I need to do something like this?

class ViewPlugin : public QObject, public ViewPluginInterface
{
    Q_OBJECT
    Q_INTERFACES( ViewPluginInterface )
    ...
};

class ViewPlugin : public QObject, public ViewPluginInterface
{
    Q_OBJECT
    Q_INTERFACES( ViewPluginInterface )
    ...
};

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class ViewPluginInterface
{
    ViewWidget* createWidget( QWidget* parent ) = 0;
};

class ViewPluginInterface
{
    ViewWidget* createWidget( QWidget* parent ) = 0;
};

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class ViewWidget : public ViewInterface
{
    ...
};

class ViewWidget : public ViewInterface
{
    ...
};

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class ViewInterface : public QWidget
{
    ...
};

class ViewInterface : public QWidget
{
    ...
};

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In that case, the createWidget function would be the only function of the plugin interface. And I am not sure the inheritance of QWidget works this way?