Chris@46: 
Chris@46: 
Chris@46: #include "connectionitem.h"
Chris@46: 
Chris@46: #include "changesetitem.h"
Chris@46: 
Chris@46: #include <QPainter>
Chris@46: 
Chris@46: QRectF
Chris@46: ConnectionItem::boundingRect() const
Chris@46: {
Chris@46:     if (!m_parent || !m_child) return QRectF();
Chris@46:     float scale = 100;
Chris@46:     float size = 50;
Chris@46:     return QRectF(scale * m_child->column() + size/2 - 2,
Chris@46: 		  scale * m_child->row() + size - 2,
Chris@46: 		  scale * m_parent->column() - scale * m_child->column() + 4,
Chris@46: 		  scale * m_parent->row() - scale * m_child->row() - size + 4)
Chris@46: 	.normalized();
Chris@46: }
Chris@46: 
Chris@46: void
Chris@46: ConnectionItem::paint(QPainter *paint, const QStyleOptionGraphicsItem *, QWidget *)
Chris@46: {
Chris@46:     QPainterPath p;
Chris@46:     float scale = 100;
Chris@46:     float size = 50;
Chris@46:     p.moveTo(scale * m_child->column() + size/2,
Chris@46: 	     scale * m_child->row() + size);
Chris@46:     if (m_parent->column() == m_child->column()) {
Chris@46: 	p.lineTo(scale * m_parent->column() + size/2,
Chris@46: 		 scale * m_parent->row());
Chris@46:     } else {
Chris@46: 	p.cubicTo(scale * m_child->column() + size/2,
Chris@46: 		  scale * m_child->row() + size + size,
Chris@46: 		  scale * m_parent->column() + size/2,
Chris@46: 		  scale * m_child->row() + size,
Chris@46: 		  scale * m_parent->column() + size/2,
Chris@46: 		  scale * m_child->row() + scale);
Chris@46: 	if (abs(m_parent->row() - m_child->row()) > 1) {
Chris@46: 	    p.lineTo(scale * m_parent->column() + size/2,
Chris@46: 		     scale * m_parent->row());
Chris@46: 	}
Chris@46:     }
Chris@46:     paint->drawPath(p);
Chris@46: }
Chris@46: 
Chris@46: