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logic: don't use shared_ptr for QtGraphNode and QtGraphEdge anymore

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* fixes crashes on events to deleted Qt elements
This commit is contained in:
Eberhard Graether
2017-11-17 22:30:48 +01:00
parent 634601b4b6
commit b887a4a89e
15 changed files with 159 additions and 179 deletions
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src/lib_gui/qt/view/graphElements/nodeComponents/QtGraphNodeComponentMoveable.cpp
+8 -20
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@@ -4,7 +4,7 @@
#include "qt/view/graphElements/QtGraphNode.h"
QtGraphNodeComponentMoveable::QtGraphNodeComponentMoveable(const std::weak_ptr<QtGraphNode>& graphNode)
QtGraphNodeComponentMoveable::QtGraphNodeComponentMoveable(QtGraphNode* graphNode)
: QtGraphNodeComponent(graphNode)
, m_mouseOffset(0.0f, 0.0f)
{
@@ -16,25 +16,17 @@ QtGraphNodeComponentMoveable::~QtGraphNodeComponentMoveable()
void QtGraphNodeComponentMoveable::nodeMousePressEvent(QGraphicsSceneMouseEvent* event)
{
std::shared_ptr<QtGraphNode> node = m_graphNode.lock();
if (node != NULL)
{
m_oldPos = node->getPosition();
m_mouseOffset.x = event->scenePos().x() - m_oldPos.x;
m_mouseOffset.y = event->scenePos().y() - m_oldPos.y;
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();
}
event->accept();
}
void QtGraphNodeComponentMoveable::nodeMouseMoveEvent(QGraphicsSceneMouseEvent* event)
{
std::shared_ptr<QtGraphNode> node = m_graphNode.lock();
if (node != NULL)
{
node->setPosition(Vec2i(event->scenePos().x() - m_mouseOffset.x, event->scenePos().y() - m_mouseOffset.y));
event->accept();
}
m_graphNode->setPosition(Vec2i(event->scenePos().x() - m_mouseOffset.x, event->scenePos().y() - m_mouseOffset.y));
event->accept();
}
void QtGraphNodeComponentMoveable::nodeMouseReleaseEvent(QGraphicsSceneMouseEvent* event)
@@ -44,9 +36,5 @@ void QtGraphNodeComponentMoveable::nodeMouseReleaseEvent(QGraphicsSceneMouseEven
return;
}
std::shared_ptr<QtGraphNode> node = m_graphNode.lock();
if (node != NULL)
{
node->moved(m_oldPos);
}
m_graphNode->moved(m_oldPos);
}