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# KDDockWidgets
Our [manual](https://kdab.github.io/KDDockWidgets)
is the docs entry point for everything related to `KDDockWidgets`.
This README only provides minimal information.
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`KDDockWidgets` is a Qt dock widget library written by KDAB, suitable for replacing
`QDockWidget` and implementing advanced functionalities missing in Qt.
Although `KDDockWidgets` is ready to be used out of the box, it can also be seen
as a framework to allow building very tailored custom docking systems. It tries
to expose every internal widget and every knob for the app developer to tune.
## Features
- Supports QtWidgets and QtQuick/QML
- Provide advanced docking that QDockWidget doesn't support
- Native window resize on Windows (allowing for Aero-snap even with custom title bar decorations)
- Arrow drop indicators for great drop precision
- Allow for totally different, user provided, drop indicator types
- Nesting dock widgets in a floating window and docking that group back to main window
- Docking to any main window, not only to the parent main window
- Docking to center of main window, or simply removing the concept of "central widget"
- Main window supporting detachable tabs in center widget
- Detaching arbitrary tabs from a tab bar into a dock area
- Supporting more than 1 main window
- Support for affinities, making some dock widgets only dockable on certain main windows
- Allow to hide TitleBar and just show tabs. Allows dragging via the tab bar.
- Exposing inner helper widgets so the user can customize them or provide his own
- Customize tab widgets
- Customize title bars
- Customize window frames
- Custom widget separators
- Cross-platform (macOS, Linux, Windows, WebAssembly, Wayland, X11/XCB, EGLFS are working)
See README-Wayland.md and README-WASM.md for platform specific information.
- Layouting engine honouring min/max size constraints and some size policies
- PySide2 bindings
- Clean codebase
- Not mixing GUI with state with logic with animations
- Great test coverage, even the GUI and DnD operations are tested. 200 tests currently.
- Fuzzer for doing random testing and finding bugs
- Lazy separator resize
- Reordering tabs with mouse
- Partial layout save/restore, affecting only a chosen sub-set
- Double click on title bar to maximize
- Double click on separator to distribute equally
- Show close button on tabs
- Allow to make a dock widget non-closable and/or non-dockable
- Optional minimize and maximize button on the title bar
- FloatingWindows can be utility windows or full native
## Screen capture
## Showcases
Read about how [NVIDIA implemented KDDockWidgets](https://www.kdab.com/why-kdab/proven-excellence/nvidia-improved-developer-tools-with-kddockwidgets/) in their their NSight Suite developer toolkit, which is built with Qt.
## Licensing
KDDockWidgets is © Klarälvdalens Datakonsult AB (KDAB) and is licensed according
to the terms of the [GPL 2.0](LICENSES/GPL-2.0-only.txt) or [GPL 3.0](LICENSES/GPL-3.0-only.txt).
Contact KDAB at <info@kdab.com> to inquire about commercial licensing.
## About KDAB
KDDockWidgets is supported and maintained by Klarälvdalens Datakonsult AB (KDAB).
The [KDAB](https://www.kdab.com) Group is a globally recognized provider for software consulting, development and training, specializing in embedded devices and complex cross-platform desktop applications. In addition to being leading experts in Qt, C++ and 3D technologies for over two decades, KDAB provides deep expertise across the stack, including Linux, Rust and modern UI frameworks. With 100+ employees from 20 countries and offices in Sweden, Germany, USA, France and UK, KDAB serves clients around the world.
Please visit <https://www.kdab.com> to meet the people who write code like this.
Blogs and publications: https://www.kdab.com/resources
Videos (Tutorials and more): https://www.youtube.com/@KDABtv
Software Developer Training for Qt, Modern C++, Rust, OpenGL and more: https://training.kdab.com
Software Consulting and Development Services for Embedded and Desktop Applications https://www.kdab.com/services/
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