The Qt 4 Resource Center has added a new article to the collection. This time, it shows how to intercept signals and slots using a spying class. The article also shows how to implement a custom color-picker widget with support for both RGB and HSV.
Spy on Signals and Slots in Qt
Submitted by Johan Thelin 2005-09-03 Qt 2 Comments
Amazing articles you do Johan!
That Qt technique was nice