Instead of mouse move event, use the itemChange handler to move the links.
--HG-- branch : dfighter-tools
This commit is contained in:
parent
315e43a469
commit
a9cd538786
2 changed files with 14 additions and 5 deletions
|
@ -101,7 +101,7 @@ private:
|
|||
ExpressionNode::ExpressionNode( const QString &name, int slotCount, QGraphicsItem *parent ) :
|
||||
QGraphicsItem( parent )
|
||||
{
|
||||
setFlags( QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemIsMovable );
|
||||
setFlags( QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemSendsScenePositionChanges );
|
||||
|
||||
m_w = 100;
|
||||
m_h = 100;
|
||||
|
@ -323,7 +323,17 @@ QString ExpressionNode::build() const
|
|||
return result;
|
||||
}
|
||||
|
||||
void ExpressionNode::mouseMoveEvent( QGraphicsSceneMouseEvent *e )
|
||||
QVariant ExpressionNode::itemChange( GraphicsItemChange change, const QVariant &value )
|
||||
{
|
||||
if( change == ItemScenePositionHasChanged )
|
||||
{
|
||||
onNodeMove();
|
||||
}
|
||||
|
||||
return QGraphicsItem::itemChange( change, value );
|
||||
}
|
||||
|
||||
void ExpressionNode::onNodeMove()
|
||||
{
|
||||
for( int i = 0; i < m_links.count(); i++ )
|
||||
{
|
||||
|
@ -333,8 +343,6 @@ void ExpressionNode::mouseMoveEvent( QGraphicsSceneMouseEvent *e )
|
|||
|
||||
link->nodeMoved();
|
||||
}
|
||||
|
||||
QGraphicsItem::mouseMoveEvent( e );
|
||||
}
|
||||
|
||||
void ExpressionNode::createSlots( int count)
|
||||
|
|
|
@ -68,9 +68,10 @@ public:
|
|||
QString build() const;
|
||||
|
||||
protected:
|
||||
void mouseMoveEvent( QGraphicsSceneMouseEvent *e );
|
||||
QVariant itemChange( GraphicsItemChange change, const QVariant &value );
|
||||
|
||||
private:
|
||||
void onNodeMove();
|
||||
void createSlots( int count = 3 );
|
||||
void paintSlots( QPainter *painter );
|
||||
|
||||
|
|
Loading…
Reference in a new issue