EXtend functionality of QListWidget by making a plugin and use it in designer?

[wysota]

So i am wondering is this part right in the customwidgetplugin.cpp

It should be

QWidget* createWidget(QWidget *parent){return new dateListWidget(parent);}

QWidget* createWidget(QWidget *parent){return new dateListWidget(parent);}

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I suggest you take a look at an example of making a Qt Designer plugin that comes with Qt docs.