{SOLVED} How to change the border color of QTableWidgetItem

[A Former User]

Hi,

We have a requirement where we want to change the border color of the QTableWidget item to pink when that item is clicked or selected.

I tried implementing QItemDelegate / QStyledItemDelegate but it doesn't work.

@class MyDelegate : public QStyledItemDelegate {
public:
MyDelegate( QObject *parent ) : QStyledItemDelegate( parent )
{ }

void initStyleOption(QStyleOptionViewItem *option, const QModelIndex &index) const
{
    QStyledItemDelegate::initStyleOption(option, index);
}

void paint( QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index ) const
{
  QStyledItemDelegate::paint( painter, option, index );
  //if( option.state == QStyle::State_HasFocus )
  {
      QPen pen(Qt::red);
      pen.setWidth(1);
      pen.setStyle(Qt::SolidLine);
      painter->setPen( pen );
      painter->drawRect( option.rect );
  }
}

};@

@:
:
:

myTableWidget->setItemDelegate(new MyDelegate());@

Please let me know if I am missing something.

Regards,
Vrushali

[raven-worx]

1. please use code tags (surrounding with @-sign)
2. what doesn't work
3. dumb question: did you set the delegate on the view?
4. your delegate implementation doesn't paint anything except the border?! So no item content

[A Former User]

Hi,

Thanks for pointing that out. Updated post with appropriate code tags.

It doesn't work as in doesn't show any border around the item.

I have set the delegate on QTableWidget as follows:

@myTableWidget->setItemDelegate(new MyDelegate());@

in the delegate implementation the default method is called, so wont it take care of other content?

@QStyledItemDelegate::paint( painter, option, index );@

[raven-worx]

[quote author="vrushali_deshpande" date="1413892856"]Hi,
in the delegate implementation the default method is called, so wont it take care of other content?
@QStyledItemDelegate::paint( painter, option, index );@
[/quote]
thats why i asked you to add the code-tags. I overread that line ;)

Since you want to replace the focus frame do this:
@
void paint( QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index ) const
{
bool hasFocus = (option.state & QStyle::State_HasFocus);
option.state &= ~QStyle::State_HasFocus;
QStyledItemDelegate::paint( painter, option, index );

     if( hasFocus )
     {
          QRect focusRect = style->subElementRect(QStyle::SE_ItemViewItemFocusRect, &option, option.widget);

        painter->save();
            painter->setBrush( Qt::NoBrush );

            QPen pen(Qt::red);
            pen.setWidth(1);
            pen.setStyle(Qt::SolidLine);
            painter->setPen( pen );

            painter->drawRect( focusRect );
        painter->restore();
  }

}
@

[A Former User]

Hi,

Thanks for the solution. Its working now :)