A Qt library which contains additional widgets for ItemModels, such as grouping into categories and filtering

Window class that associates this job with a window given by window. This is used by KDialogJobUiDelegate as parent widget for error messages, KWidgetJobTracker as parent widget for progress dialogs, KIO::AbstractJobInteractionInterface as parent widget for rename/skip dialogs and possibly more. Overload that takes a QWindow.

Framework for downloading and sharing additional application data.

Launcher built into the Plasma desktop. While its basic function is to launch programs from a sort of mini-command-line, its functionality can be extended by "runners" to assist the user to accomplish a lot of tasks.

Application framework for file type association and plugin locating.

Framework for rendering SVG-based themes with stylesheet re-coloring and on-disk caching.