Top "Qevent" questions

"QPainter::drawRects: Painter not active " error C++/QT

I'm a beginner at Qt and c++ and I wanted to see how to use a QPainter and events in …

c++ qt qpainter qevent

How to use focusInEvent and focusOutEvent

I am implementing an application in which i am having 3 QToolButton and when the focus is coming on any QToolButton …

c++ qt qmainwindow qevent

How to get human-readable event type from QEvent?

I want to debug event handling code and would like to convert QEvent::Type enum's value to a human-readable string. …

qt qevent qgadget

Qt keyPressEvent, "Hold", and keyReleaseEvent Handling with Buttons/Mouse Clicks

I am writing a Qt program to simulate a piece of hardware and I would like to simulate button press, …

qt qpushbutton qevent

How to detect that my application lost focus in Qt?

I'm displaying a popup window when the mouse cursor is over a certain widget and I'd like to hide this …

c++ qt qt4 qt5 qevent

Qt mouse move events not caught by an event filter

I can't seem to catch QEvent::MouseMove typed events in my eventFilter. Here's my event filter: bool MapWidget_c::eventFilter( …

qt events qevent