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KDesignerPlugin
A tool to generate custom widget plugins for Qt Designer/Creator.
KDesignerPlugin Introduction
Integrating custom widgets with Qt Designer
This tool is deprecated. In your CMake-based build system use ECMAddQtDesignerPlugin from "Extra CMake Modules" instead.
This framework provides a utility (kgendesignerplugin) that can be used to generate plugins for Qt Designer from ini-style description files.
KDesignerPlugin Home page