Projects/Widgets and Classes

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If you have a KDE class or widget that you feel would be useful to other applications but which isn't in kdelibs, please add it to this page in alphabetical order. Please include the name of the class, a description (and a screenshot if you wish), where the source code can be found, the version of KDE required (if any), your name and the date of the entry.



Description A widget that allows editing of spline based y=f(x) curves. Handy for cases where you want the user to control such things as tablet pressure response, color transformations, acceleration by time, aeroplane lift by angle of attack. Already used in krita, and originally (less generic code) in digiKam
Location trunk/koffice/krita/ui/kcurve.*
Author Casper Boemann (boemann) and Gilles (of digiKam fame)
Date April, 05, 2007
Screenshots Link


Description An extension to QListView that lets you categorize the items, if the applied model is sorting capable (QSortFilterProxyModel). If no categorizer is set, KListView will behave exactly as a QListView.
Location trunk/KDE/kdebase/apps/dolphin/src/klistview[.cpp, .h, _p.h]
Author Rafael Fernández López (ereslibre)
Date April, 04, 2007
Screenshots Link


Description The interface that lets you categorize items on the KListView class.
Location trunk/KDE/kdebase/apps/dolphin/src/kitemcategorizer.h
Author Rafael Fernández López (ereslibre)
Date April, 04, 2007


Description Undo/redo support for KIO jobs. One problem might be that we're about to add "undo closing a tab" support to it...
Location trunk/KDE/kdebase/libkonq/konq_undo.*
Author David Faure
Date April, 05, 2007


Description A Combobox-like widget that combines numerical input with a popup slider. It uses QStyle to draw itself so it's themed right out of the box.
Location trunk/koffice/libs/kofficeui/KoSliderCombo.*
Author Casper Boemann (boemann)
Date April, 06, 2007
Screenshots Link


Description A class that takes a QListView and adds a contextmenu to its header. With this contextmenu you can show and hide the columns.


  • specify which columns can be shown/hidden

Style of the contextmenu:

  • Show checkboxes before column names
  • Show checkboxes before column names only if the checkbox is checked
  • Do not show checkboxes. Display the text "Hide"/"Show" before the column names
Location trunk/KDE/kdepim/ktimetracker/treeviewheadercontextmenu.*
Author Mathias Soeken (msoeken)
Date April, 18, 2007

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