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Updated user-guide.md

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Uwe Kindler 2020-09-07 08:16:30 +02:00
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@ -474,15 +474,17 @@ In the Advanced Docking System a central widget is a docking widget that is
neither closable nor movable or floatable. A central widget has no title bar
and so it is not possible for the user to hide, close or drag the central
widget. If there is a central widget, then also the distribution of the sizes
for the dock widgets around the central widget is different. If there is no
central widget and the main window is resized, then the available space is
distributed to all dock widgets. If a central widget exists, then only the
central widget is resized when resizing the main window. The dock widgets around
the central widget keep their sizes. The following animation shows this:
for the dock widgets around the central widget is different:
- **no central widget (default)** - on resizing the available space is
distributed to all dock widgets - the size of all dock widgets
shrinks or grows
- **with central widget** - on resizing only the central widget is resized - the
dock widgets around the central widget keep their size (see the animation below)
![Central Widget](central_widget.gif)
To set a centra widget, you just need to pass your central dock widget
To set a central widget, you just need to pass your central dock widget
to the dock manager `setCentralWidget` function:
```c++