How to create a custom Button?

[Mister_Crac]

It seems I found a solution. I added another if statement. Like this:

if(isChecked())
	{
		myPen.setColor(Qt::black);
		painter.setPen(myPen);
		painter.drawLine(20,29,50,20);
 
		if(isDown())
			emit valueChanged(1); 
	}
	else
	{
		myPen.setColor(Qt::darkGray);
		painter.setPen(myPen);
		painter.drawLine(20,29,30,0);
 
		if(isDown())
			emit valueChanged(0);
	}

if(isChecked())
	{
		myPen.setColor(Qt::black);
		painter.setPen(myPen);
		painter.drawLine(20,29,50,20);
		
		if(isDown())
			emit valueChanged(1); 
	}
	else
	{
		myPen.setColor(Qt::darkGray);
		painter.setPen(myPen);
		painter.drawLine(20,29,30,0);

		if(isDown())
			emit valueChanged(0);
	}

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