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NOTE: This Project is no longer supported or maintained by KDAB.


The KDAB DeclarativeWidgets software provides a library and tools for creating QtWidget User Interfaces with QML.


DeclarativeWidgets requires Qt 5.11.0 or above.

Building and running


$ mkdir build
$ cd build
$ qmake -r ../
$ make or nmake (or jom)


$ make install #into your Qt5 installation. you may need to use sudo

How to Use

There are three example applications that show how to use the DeclarativeWidgets QML module: bookstore, config-editor and text-editor.

In addition, there are a number of example QML files in the examples directory. Run these by passing the full path to one of the example files as the command line arguments to the runner target in Qt Creator.


Get Involved

KDAB will happily accept external contributions, but substantial contributions require a signed Copyright Assignment Agreement

Contact for more information about the Copyright Assignment Agreement.

Please submit your contributions or issue reports from our GitHub space at


The DeclarativeWidgets Library is (C) 2012-2021 Klarälvdalens Datakonsult AB (KDAB), and is available under the terms of:

  • the GPL
  • the KDAB commercial license, provided that you buy a license. please contact if you are interested in buying commercial licenses.

Commercial licensing terms are available in the included file LICENSE.txt.

About KDAB

The DeclarativeWidgets Library is supported and maintained by Klarälvdalens Datakonsult AB (KDAB).

The KDAB Group is the global No.1 software consultancy for Qt, C++ and OpenGL applications across desktop, embedded and mobile platforms.

The KDAB Group provides consulting and mentoring for developing Qt applications from scratch and in porting from all popular and legacy frameworks to Qt. We continue to help develop parts of Qt and are one of the major contributors to the Qt Project. We can give advanced or standard trainings anywhere around the globe on Qt as well as C++, OpenGL, 3D and more.

Please visit to meet the people who write code like this.


Library and tools for creating QtWidget UIs using QML







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