Support for adding nodes with different slot count.

This commit is contained in:
dfighter1985 2014-09-14 16:37:17 +02:00
parent 624578c024
commit 892ca16ae3
4 changed files with 46 additions and 18 deletions

View file

@ -52,8 +52,15 @@ void ExpressionEditor::contextMenuEvent( QContextMenuEvent *e )
QMenu menu;
QAction *a = NULL;
a = menu.addAction( "Add rect" );
connect( a, SIGNAL( triggered() ), this, SLOT( onAddRect() ) );
QMenu *mm = menu.addMenu( "Add node" );
a = mm->addAction( "1 slot" );
connect( a, SIGNAL( triggered() ), this, SLOT( onAddNode1() ) );
a = mm->addAction( "2 slots" );
connect( a, SIGNAL( triggered() ), this, SLOT( onAddNode2() ) );
a = mm->addAction( "3 slots" );
connect( a, SIGNAL( triggered() ), this, SLOT( onAddNode3() ) );
if( m_selectionCount > 0 )
{
@ -73,13 +80,6 @@ void ExpressionEditor::contextMenuEvent( QContextMenuEvent *e )
menu.exec( e->globalPos() );
}
void ExpressionEditor::onAddRect()
{
QGraphicsItem *item = new ExpressionNode();
item->setFlags( QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemIsMovable );
m_scene->addItem( item );
}
void ExpressionEditor::onDeleteSelection()
{
QList< QGraphicsItem* > l = m_scene->selectedItems();
@ -168,3 +168,24 @@ void ExpressionEditor::onUnLinkItems()
}
void ExpressionEditor::onAddNode1()
{
QGraphicsItem *item = new ExpressionNode( 1 );
item->setFlags( QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemIsMovable );
m_scene->addItem( item );
}
void ExpressionEditor::onAddNode2()
{
QGraphicsItem *item = new ExpressionNode( 2 );
item->setFlags( QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemIsMovable );
m_scene->addItem( item );
}
void ExpressionEditor::onAddNode3()
{
QGraphicsItem *item = new ExpressionNode( 3 );
item->setFlags( QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemIsMovable );
m_scene->addItem( item );
}

View file

@ -35,11 +35,13 @@ protected:
void contextMenuEvent( QContextMenuEvent *e );
private Q_SLOTS:
void onAddRect();
void onDeleteSelection();
void onSelectionChanged();
void onLinkItems();
void onUnLinkItems();
void onAddNode1();
void onAddNode2();
void onAddNode3();
private:

View file

@ -97,16 +97,19 @@ private:
ExpressionNode::ExpressionNode( QGraphicsItem *parent ) :
ExpressionNode::ExpressionNode( int nodes, QGraphicsItem *parent ) :
QGraphicsItem( parent )
{
m_w = 100;
m_h = 100;
createSlots();
for( int i = 0; i < 4; i++ )
// Out nodes
m_links.push_back( NULL );
for( int i = 0; i < nodes; i++ )
m_links.push_back( NULL );
createSlots();
}
ExpressionNode::~ExpressionNode()
@ -208,7 +211,7 @@ ExpressionLink* ExpressionNode::link( int slot ) const
void ExpressionNode::mouseMoveEvent( QGraphicsSceneMouseEvent *e )
{
for( int i = 0; i < 4; i++ )
for( int i = 0; i < m_links.count(); i++ )
{
ExpressionLink *link = m_links[ i ];
if( link == NULL )
@ -222,8 +225,9 @@ void ExpressionNode::mouseMoveEvent( QGraphicsSceneMouseEvent *e )
void ExpressionNode::createSlots()
{
// First create the "Out" slot
int nodes = m_links.count();
// First create the "Out" slot
NodeSlotInfo info;
info.tw = 25.0;
info.th = 12.0;
@ -239,9 +243,10 @@ void ExpressionNode::createSlots()
info.text = "Out";
m_slots.push_back( new NodeSlot( info ) );
nodes--;
// Then the rest of them
for( int i = 0; i < 3; i++ )
for( int i = 0; i < nodes; i++ )
{
x = m_w - info.wh;
y = 30 + i * 20.0;
@ -258,7 +263,7 @@ void ExpressionNode::createSlots()
void ExpressionNode::paintSlots( QPainter *painter )
{
for( int i = 0; i < 4; i++ )
for( int i = 0; i < m_slots.count(); i++ )
{
NodeSlot *slot = m_slots[ i ];
slot->paint( painter );

View file

@ -30,7 +30,7 @@ class NodeSlot;
class ExpressionNode : public QGraphicsItem
{
public:
ExpressionNode( QGraphicsItem *parent = NULL );
ExpressionNode( int nodes = 3, QGraphicsItem *parent = NULL );
~ExpressionNode();
QRectF boundingRect() const;