Quote Originally Posted by Uwe View Post
Plot items are no QObjects - they don't receive or handle any events. If you want to handle mouse events you have to use a QwtPlotPicker or implement an event filter for the plot canvas ( like the event_filter example ).

Uwe
hi,
But if I extend the qwtmarker´s class with a new class that is a subclass of a qwidget , the mouse events never handles .