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tree view custom context menu for specific column

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  • U Offline
    U Offline
    user4592357
    wrote on last edited by
    #1

    i have a tree view with a few columns. i created a custom header view and set it as tree header. implemented contextMenuEvent() of the header:

    class TreeHeader : public QHeaderView
    {
    	Q_OBJECT
    public:
    	TreeHeader(Qt::Orientation ori, QWidget *parent = nullptr);
    protected:
    	void contextMenuEvent(QContextMenuEvent *event) override;
    };
    

    the implementation:

    void TreeHeader::contextMenuEvent(QContextMenuEvent *event)
    {
    	QMenu contextMenu;
            // create and add actions
    	contextMenu.exec(event->globalPos());
    }
    

    this menu is shown for every column in the tree, but i need it only on the first column. how can i do that?

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    • mrjjM Offline
      mrjjM Offline
      mrjj
      Lifetime Qt Champion
      wrote on last edited by mrjj
      #2

      Hi
      You can try to use
      https://doc.qt.io/qt-5/qheaderview.html#logicalIndexAt-2 to find the column
      and only show the menu if its the right one.

      1 Reply Last reply
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