QTabWidget, QTabBar, double-click the tabText

[jcr]

Hello,

I am using a QTabWidget and, once a tab has been selected, I would like a click or double-click on its tabText or tabIcon to trigger a certain function. Ideally, the click to select that tab in the first place would not trigger the function. Any idea on how to proceed? Thanks.

[jacek]

You could try to install an event filter on QTabBar.

[jpn]

Take a look at:

• void QTabBar::mousePressEvent (QMouseEvent *e)
• int QTabBarPrivate::indexAtPos(const QPoint &p) const

in src/gui/widgets/qtabbar.cpp.

[elcuco]

This is something I used in my code, feel free to use and abuse. It does not handle double click, but it gives you a direction to your problem.

void qmdiTabBar::mousePressEvent ( QMouseEvent * event )
{
	if (event->button() == Qt::MidButton)
	{
		int tabCount = count();
		for( int i=0; i<tabCount; i++ )
		{
			if (tabRect(i).contains(event->pos()))
			{
				emit middleMousePressed(i, event->pos());
				break;
			}
		}
	}
	else if (event->button() == Qt::RightButton)
	{
		int tabCount = count();
		for( int i=0; i<tabCount; i++ )
		{
			if (tabRect(i).contains(event->pos()))
			{
				emit rightMousePressed(i, event->pos());
				break;
			}
		}
	}
 
	QTabBar::mousePressEvent(event);
}

void qmdiTabBar::mousePressEvent ( QMouseEvent * event )
{
	if (event->button() == Qt::MidButton)
	{
		int tabCount = count();
		for( int i=0; i<tabCount; i++ )
		{
			if (tabRect(i).contains(event->pos()))
			{
				emit middleMousePressed(i, event->pos());
				break;
			}
		}
	}
	else if (event->button() == Qt::RightButton)
	{
		int tabCount = count();
		for( int i=0; i<tabCount; i++ )
		{
			if (tabRect(i).contains(event->pos()))
			{
				emit rightMousePressed(i, event->pos());
				break;
			}
		}
	}

	QTabBar::mousePressEvent(event);
}

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