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How to set QTabBar 's tab to the max width?

  • I reimplement the QTabBar and setExpanding(ture);

    and I use qss to set the tabs width:
    CTabBar::tab {

    When the tabbar has a lot of free space and the tab's title has few word, the tab will have mininum width.

    How the let the tab have the max-width when the title has few word?
    By the way , I have to set the min-width because when has many tabs, it can zoom out.

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