Support for adding nodes with different slot count.
--HG-- branch : dfighter-tools
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parent
aa67011381
commit
42cd76c768
4 changed files with 46 additions and 18 deletions
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@ -52,8 +52,15 @@ void ExpressionEditor::contextMenuEvent( QContextMenuEvent *e )
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QMenu menu;
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QAction *a = NULL;
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a = menu.addAction( "Add rect" );
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connect( a, SIGNAL( triggered() ), this, SLOT( onAddRect() ) );
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QMenu *mm = menu.addMenu( "Add node" );
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a = mm->addAction( "1 slot" );
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connect( a, SIGNAL( triggered() ), this, SLOT( onAddNode1() ) );
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a = mm->addAction( "2 slots" );
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connect( a, SIGNAL( triggered() ), this, SLOT( onAddNode2() ) );
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a = mm->addAction( "3 slots" );
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connect( a, SIGNAL( triggered() ), this, SLOT( onAddNode3() ) );
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if( m_selectionCount > 0 )
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{
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@ -73,13 +80,6 @@ void ExpressionEditor::contextMenuEvent( QContextMenuEvent *e )
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menu.exec( e->globalPos() );
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}
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void ExpressionEditor::onAddRect()
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{
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QGraphicsItem *item = new ExpressionNode();
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item->setFlags( QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemIsMovable );
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m_scene->addItem( item );
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}
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void ExpressionEditor::onDeleteSelection()
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{
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QList< QGraphicsItem* > l = m_scene->selectedItems();
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@ -168,3 +168,24 @@ void ExpressionEditor::onUnLinkItems()
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}
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void ExpressionEditor::onAddNode1()
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{
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QGraphicsItem *item = new ExpressionNode( 1 );
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item->setFlags( QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemIsMovable );
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m_scene->addItem( item );
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}
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void ExpressionEditor::onAddNode2()
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{
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QGraphicsItem *item = new ExpressionNode( 2 );
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item->setFlags( QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemIsMovable );
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m_scene->addItem( item );
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}
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void ExpressionEditor::onAddNode3()
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{
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QGraphicsItem *item = new ExpressionNode( 3 );
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item->setFlags( QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemIsMovable );
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m_scene->addItem( item );
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}
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@ -35,11 +35,13 @@ protected:
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void contextMenuEvent( QContextMenuEvent *e );
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private Q_SLOTS:
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void onAddRect();
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void onDeleteSelection();
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void onSelectionChanged();
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void onLinkItems();
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void onUnLinkItems();
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void onAddNode1();
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void onAddNode2();
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void onAddNode3();
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private:
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@ -97,16 +97,19 @@ private:
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ExpressionNode::ExpressionNode( QGraphicsItem *parent ) :
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ExpressionNode::ExpressionNode( int nodes, QGraphicsItem *parent ) :
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QGraphicsItem( parent )
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{
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m_w = 100;
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m_h = 100;
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createSlots();
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for( int i = 0; i < 4; i++ )
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// Out nodes
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m_links.push_back( NULL );
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for( int i = 0; i < nodes; i++ )
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m_links.push_back( NULL );
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createSlots();
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}
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ExpressionNode::~ExpressionNode()
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@ -208,7 +211,7 @@ ExpressionLink* ExpressionNode::link( int slot ) const
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void ExpressionNode::mouseMoveEvent( QGraphicsSceneMouseEvent *e )
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{
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for( int i = 0; i < 4; i++ )
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for( int i = 0; i < m_links.count(); i++ )
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{
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ExpressionLink *link = m_links[ i ];
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if( link == NULL )
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@ -222,8 +225,9 @@ void ExpressionNode::mouseMoveEvent( QGraphicsSceneMouseEvent *e )
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void ExpressionNode::createSlots()
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{
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// First create the "Out" slot
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int nodes = m_links.count();
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// First create the "Out" slot
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NodeSlotInfo info;
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info.tw = 25.0;
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info.th = 12.0;
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@ -239,9 +243,10 @@ void ExpressionNode::createSlots()
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info.text = "Out";
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m_slots.push_back( new NodeSlot( info ) );
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nodes--;
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// Then the rest of them
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for( int i = 0; i < 3; i++ )
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for( int i = 0; i < nodes; i++ )
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{
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x = m_w - info.wh;
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y = 30 + i * 20.0;
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@ -258,7 +263,7 @@ void ExpressionNode::createSlots()
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void ExpressionNode::paintSlots( QPainter *painter )
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{
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for( int i = 0; i < 4; i++ )
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for( int i = 0; i < m_slots.count(); i++ )
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{
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NodeSlot *slot = m_slots[ i ];
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slot->paint( painter );
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@ -30,7 +30,7 @@ class NodeSlot;
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class ExpressionNode : public QGraphicsItem
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{
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public:
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ExpressionNode( QGraphicsItem *parent = NULL );
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ExpressionNode( int nodes = 3, QGraphicsItem *parent = NULL );
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~ExpressionNode();
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QRectF boundingRect() const;
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