How to add custom header to QTableWidget

[alex_25]

How can I add a custom header to my QTableWidget?

I have derived a class MyHeaderItem from QWidget and QTableWidgetItem and set an instance of it into the table. I have copied the code below.

This does not work. Column 0 in the table shows an empty header. What am I missing?

I need a custom header because I want to place several strings and icons in the header.
Is there some other technique to add a custom header to QTableWidget?

class MyHeaderItem : public QWidget, public QTableWidgetItem 
{
public:
    MyHeaderItem( QWidget* parent ) : QWidget( parent ), QTableWidgetItem( 0 )
    {
        mWidget.setupUi( this );
    }
 
private:
    Ui_simple_widget mWidget;
};
 
MyHeaderItem* headerItem = new MyHeaderItem( myTable );
myTable->setHorizontalHeaderItem( 0, headerItem );

class MyHeaderItem : public QWidget, public QTableWidgetItem 
{
public:
    MyHeaderItem( QWidget* parent ) : QWidget( parent ), QTableWidgetItem( 0 )
    {
        mWidget.setupUi( this );
    }

private:
    Ui_simple_widget mWidget;
};

MyHeaderItem* headerItem = new MyHeaderItem( myTable );
myTable->setHorizontalHeaderItem( 0, headerItem );

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