Am 05.08.2012 um 12:41 schrieb Christoph Feck <christoph at maxiom.de>: > ... > > Cannot comment on Designer integration; all KDE widgets are integrated > there, but I never cared to look how it is done, Read this: http://qt-project.org/doc/qt-4.8/designer-creating-custom-widgets.html Cheers, Oliver