Files
Sourcetrail/src/lib_gui/qt/view/graphElements/nodeComponents/QtGraphNodeComponentMoveable.cpp
T
2017-11-17 22:30:48 +01:00

41 lines
998 B
C++

#include "QtGraphNodeComponentMoveable.h"
#include <QGraphicsSceneEvent>
#include "qt/view/graphElements/QtGraphNode.h"
QtGraphNodeComponentMoveable::QtGraphNodeComponentMoveable(QtGraphNode* graphNode)
: QtGraphNodeComponent(graphNode)
, m_mouseOffset(0.0f, 0.0f)
{
}
QtGraphNodeComponentMoveable::~QtGraphNodeComponentMoveable()
{
}
void QtGraphNodeComponentMoveable::nodeMousePressEvent(QGraphicsSceneMouseEvent* event)
{
m_oldPos = m_graphNode->getPosition();
m_mouseOffset.x = event->scenePos().x() - m_oldPos.x;
m_mouseOffset.y = event->scenePos().y() - m_oldPos.y;
event->accept();
}
void QtGraphNodeComponentMoveable::nodeMouseMoveEvent(QGraphicsSceneMouseEvent* event)
{
m_graphNode->setPosition(Vec2i(event->scenePos().x() - m_mouseOffset.x, event->scenePos().y() - m_mouseOffset.y));
event->accept();
}
void QtGraphNodeComponentMoveable::nodeMouseReleaseEvent(QGraphicsSceneMouseEvent* event)
{
if (event->isAccepted())
{
return;
}
m_graphNode->moved(m_oldPos);
}