Yes, you need to enable mouse tracking. Furthermore you need to reimplement paintEvent() for the label, call the base class implementation and in addition to that do your painting. If I were you I wouldn't do that - I would instead use tooltips.
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Re: Displaying coordinates of a pixel when moving mouse over Pixmap
Yes, you need to enable mouse tracking. Furthermore you need to reimplement paintEvent() for the label, call the base class implementation and in addition to that do your painting. If I were you I wouldn't do that - I would instead use tooltips.
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