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QMainWindow dock title bars and tabs combined

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QMainWindow Tabs

As you might have experienced, QMainWindow behaves quite inconsistently, with dock titles appearing twice when a dock is tabbed and arranging docks by dragging tabs is in vain...

This project demonstrates how the situation can arguably be improved without completely replacing QMainWindow with another implementation.

Features

  • Dock title bars and tabs are combined into one tab bar.
  • Tab headers can be dragged to rearrange docks.
  • Tab bars can be double clicked to open new tabs.
  • The middle mouse button can be used to close tabs.
  • When tabs are elided a button appears allowing to select further tabs.
  • The selected, all or other tabs can be closed via a context menu.

Before and after screenshots

QMainWindow   DockWindow

Usage

The projects contains two classes DockWindow and DockTitle. Together they form a drop-in-replacement for QMainWindow. So one simply has to derive from DockWindow instead of QMainWindow.

How does it work

DockWindow derives from QMainWindow and sets a custom dock title bar, which appears and behaves like a QTabBar. Additionally it hides the tab bars potentially created by QMainWindow.

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