event Archives

2018-04-062019-05-01

How to Make a Qt Widget Transparent to Mouse Events

Before I come up with the current title of this post, I thought of many other titles including:

How to send mouse clicks and events to a Qt widget behind another widget
How to make a Qt widget ignore mouse events
and so on …

Although the answer was very straightforward and easy, I struggled a lot with it since I wasn’t asking the right question.

2016-02-012019-05-04

Mouse Hover (Over) Events for Qt Widgets

Qt does not have mouse hover, or mouse over (as some people call it) events in its widgets by default but it provides the means to do it quite easily if you just know how to inherit a class and add some protected functions to it. Here is an example that shows how to create a push button (QPushButton) that reacts to mouse hover events.