+++ /dev/null
-#include <cpBaseQtApplication/Pipeline/Canvas.h>
-#include <cpBaseQtApplication/Pipeline/EventFilter.h>
-#include <cpBaseQtApplication/Pipeline/Block.h>
-#include <cpBaseQtApplication/Pipeline/Connection.h>
-#include <cpBaseQtApplication/Pipeline/Port.h>
-
-#include <QDragEnterEvent>
-#include <QInputDialog>
-#include <QMessageBox>
-#include <QWheelEvent>
-#include <QTreeWidget>
-
-// -------------------------------------------------------------------------
-cpBaseQtApplication::Pipeline::Canvas::
-Canvas( QWidget* parent )
- : Superclass( parent ),
- m_Workspace( NULL ),
- m_ActualConnection( NULL ),
- m_OutputPortReceiver( NULL ),
- m_OutputPortSlot( "" )
-{
- this->m_Scene = new QGraphicsScene( this );
- this->setScene( this->m_Scene );
- this->setRenderHint( QPainter::Antialiasing );
- this->setAcceptDrops( true );
-
- this->m_EventFilter = new EventFilter( this );
- this->m_EventFilter->setCanvas( this );
- this->m_EventFilter->install( this->m_Scene );
-}
-
-// -------------------------------------------------------------------------
-cpBaseQtApplication::Pipeline::Canvas::
-~Canvas( )
-{
-}
-
-// -------------------------------------------------------------------------
-void cpBaseQtApplication::Pipeline::Canvas::
-clear( )
-{
- qDeleteAll( this->m_Scene->items( ) );
- this->m_Blocks.clear( );
- this->m_ActualConnection = NULL;
-}
-
-// -------------------------------------------------------------------------
-cpBaseQtApplication::Pipeline::Canvas::
-TWorkspace* cpBaseQtApplication::Pipeline::Canvas::
-workspace( )
-{
- return( this->m_Workspace );
-}
-
-// -------------------------------------------------------------------------
-const cpBaseQtApplication::Pipeline::Canvas::
-TWorkspace* cpBaseQtApplication::Pipeline::Canvas::
-workspace( ) const
-{
- return( this->m_Workspace );
-}
-
-// -------------------------------------------------------------------------
-void cpBaseQtApplication::Pipeline::Canvas::
-setWorkspace( TWorkspace* ws )
-{
- if( this->m_Workspace != ws )
- {
- this->clear( );
- this->m_Workspace = ws;
-
- } // fi
- this->_redrawWorkspace( );
-}
-
-// -------------------------------------------------------------------------
-std::string cpBaseQtApplication::Pipeline::Canvas::
-addFilter( const std::string& cat, const std::string& fil, const QPointF& pos )
-{
- auto filter = this->m_Workspace->CreateFilter( cat, fil );
- Block* b = new Block( filter, NULL, this->m_Scene );
- b->setPos( pos );
- if( this->m_OutputPortReceiver != NULL )
- b->connectOutputPortSlot(
- this->m_OutputPortReceiver, this->m_OutputPortSlot.c_str( )
- );
- std::string name = filter->GetName( );
- this->m_Blocks[ name ] = b;
- return( name );
-}
-
-// -------------------------------------------------------------------------
-bool cpBaseQtApplication::Pipeline::Canvas::
-connectOutputPortSlot( QObject* receiver, const char* slot )
-{
- this->m_OutputPortReceiver = receiver;
- this->m_OutputPortSlot = slot;
- bool ok = true;
- for( auto b : this->m_Blocks )
- ok &= b.second->connectOutputPortSlot( receiver, slot );
- return( ok );
-}
-
-// -------------------------------------------------------------------------
-void cpBaseQtApplication::Pipeline::Canvas::
-rename( QGraphicsItem* item )
-{
- if( this->m_Workspace == NULL )
- return;
-
- Block* b = dynamic_cast< Block* >( item );
- if( b != NULL )
- {
- std::string old_n = b->filter( )->GetName( );
- bool ok;
- std::string new_n =
- QInputDialog::getText(
- dynamic_cast< QWidget* >( this->parent( ) ),
- "Change filter name",
- "Filter name:",
- QLineEdit::Normal,
- old_n.c_str( ),
- &ok
- ).toStdString( );
- if( ok && new_n != "" && old_n != new_n )
- {
- if( this->m_Workspace->RenameFilter( old_n, new_n ) )
- {
- auto bIt = this->m_Blocks.find( old_n );
- this->m_Blocks[ new_n ] = bIt->second;
- bIt->second->setNamePort( new_n.c_str( ) );
- this->m_Blocks.erase( bIt );
-
- } // fi
-
- } // fi
-
- } // fi
-}
-
-// -------------------------------------------------------------------------
-void cpBaseQtApplication::Pipeline::Canvas::
-exposePort( QGraphicsItem* item )
-{
-}
-
-// -------------------------------------------------------------------------
-void cpBaseQtApplication::Pipeline::Canvas::
-moveConnection( const QPointF& pnt )
-{
- if( this->m_ActualConnection != NULL )
- {
- if( this->m_ActualConnection->port1( ) == NULL )
- this->m_ActualConnection->setPos1( pnt );
- else if( this->m_ActualConnection->port2( ) == NULL )
- this->m_ActualConnection->setPos2( pnt );
- this->m_ActualConnection->updatePath( );
-
- } // fi
-}
-
-// -------------------------------------------------------------------------
-void cpBaseQtApplication::Pipeline::Canvas::
-grab( const QPointF& pnt )
-{
- QGraphicsItem* item = this->m_Scene->itemAt( pnt );
- OutputPort* oport = dynamic_cast< OutputPort* >( item );
- if( oport != NULL )
- {
- // Start new connection
- this->m_ActualConnection = new Connection( 0, this->m_Scene );
- this->m_ActualConnection->setPort1( oport );
- this->m_ActualConnection->setPos1( oport->scenePos( ) );
- this->m_ActualConnection->setPos2( pnt );
- this->m_ActualConnection->updatePosFromPorts( );
- this->m_ActualConnection->updatePath( );
-
- } // fi
-}
-
-// -------------------------------------------------------------------------
-void cpBaseQtApplication::Pipeline::Canvas::
-release( const QPointF& pnt )
-{
- if( this->m_ActualConnection == NULL || this->m_Workspace == NULL )
- return;
-
- QGraphicsItem* item = this->m_Scene->itemAt( pnt );
- InputPort* iport = dynamic_cast< InputPort* >( item );
- OutputPort* oport =
- dynamic_cast< OutputPort* >( this->m_ActualConnection->port1( ) );
- if( iport != NULL && oport != NULL )
- {
- Block* iblock = iport->block( );
- Block* oblock = oport->block( );
- std::string ofil = oblock->namePort( ).toStdString( );
- std::string dfil = iblock->namePort( ).toStdString( );
- std::string oname = oport->name( ).toStdString( );
- std::string dname = iport->name( ).toStdString( );
- try
- {
- if( this->m_Workspace->Connect( ofil, oname, dfil, dname ) )
- {
- this->m_ActualConnection->setPos2( iport->scenePos( ) );
- this->m_ActualConnection->setPort2( iport );
- this->m_ActualConnection->updatePosFromPorts( );
- this->m_ActualConnection->updatePath( );
- }
- else
- delete this->m_ActualConnection;
- }
- catch( std::exception& err )
- {
- delete this->m_ActualConnection;
- QMessageBox::critical(
- NULL,
- QMessageBox::tr( "Error connecting ports" ),
- QMessageBox::tr( err.what( ) )
- );
-
- } // yrt
- this->m_ActualConnection = NULL;
- }
- else
- {
- delete this->m_ActualConnection;
- this->m_ActualConnection = NULL;
-
- } // fi
-}
-
-// -------------------------------------------------------------------------
-void cpBaseQtApplication::Pipeline::Canvas::
-keyPressEvent( QKeyEvent* event )
-{
- static const int del_key = 16777223;
- if( this->m_Workspace == NULL )
- return;
-
- switch( event->key( ) )
- {
- case del_key:
- {
- // Get items to delete
- auto _items = this->items( );
- auto i = _items.begin( );
- std::set< Block* > blocks_to_delete;
- std::set< Connection* > connections_to_delete;
- while( i != _items.end( ) )
- {
- if( ( *i )->isSelected( ) )
- {
- Block* b = dynamic_cast< Block* >( *i );
- Connection* c = dynamic_cast< Connection* >( *i );
- if( b != NULL )
- {
- blocks_to_delete.insert( b );
- auto inputs = b->filter( )->GetInputsNames( );
- for( auto inIt : inputs )
- {
- InputPort* p = b->inputPort( inIt.c_str( ) );
- for( unsigned int j = 0; j < p->numberOfConnections( ); ++j )
- connections_to_delete.insert( p->connection( j ) );
-
- } // rof
- auto outputs = b->filter( )->GetOutputsNames( );
- for( auto outIt : outputs )
- {
- OutputPort* p = b->outputPort( outIt.c_str( ) );
- auto& conns = p->connections( );
- for( unsigned int j = 0; j < conns.size( ); ++j )
- connections_to_delete.insert( conns[ j ] );
-
- } // rof
- }
- else if( c != NULL )
- connections_to_delete.insert( c );
-
- } // fi
- i++;
-
- } // elihw
-
- // Delete connections
- for( auto conn : connections_to_delete )
- {
- OutputPort* oport = conn->port1( );
- InputPort* iport = conn->port2( );
- Block* oblock = oport->block( );
- Block* iblock = iport->block( );
- if(
- this->m_Workspace->Disconnect(
- oblock->namePort( ).toStdString( ),
- oport->name( ).toStdString( ),
- iblock->namePort( ).toStdString( ),
- iport->name( ).toStdString( )
- )
- )
- delete conn;
-
- } // rof
-
- // Delete blocks
- for( auto block : blocks_to_delete )
- if(
- this->m_Workspace->RemoveFilter( block->namePort( ).toStdString( ) )
- )
- delete block;
- }
- break;
- default:
- break;
- } // hctiws
-}
-
-// -------------------------------------------------------------------------
-void cpBaseQtApplication::Pipeline::Canvas::
-wheelEvent( QWheelEvent* event )
-{
- this->_scaleView(
- std::pow( double( 2 ), event->delta( ) / double( 240 ) )
- );
-}
-
-// -------------------------------------------------------------------------
-void cpBaseQtApplication::Pipeline::Canvas::
-dragEnterEvent( QDragEnterEvent* event )
-{
- const QMimeData* mime = event->mimeData( );
- if( mime->hasFormat( "application/x-qabstractitemmodeldatalist" ) )
- event->acceptProposedAction( );
-}
-
-// -------------------------------------------------------------------------
-void cpBaseQtApplication::Pipeline::Canvas::
-dragLeaveEvent( QDragLeaveEvent* event )
-{
-}
-
-// -------------------------------------------------------------------------
-void cpBaseQtApplication::Pipeline::Canvas::
-dragMoveEvent( QDragMoveEvent* event )
-{
-}
-
-// -------------------------------------------------------------------------
-void cpBaseQtApplication::Pipeline::Canvas::
-dropEvent( QDropEvent* event )
-{
- if( this->m_Workspace == NULL )
- return;
- const QMimeData* mime = event->mimeData( );
- if( !( mime->hasFormat( "application/x-qabstractitemmodeldatalist" ) ) )
- return;
- event->acceptProposedAction( );
- auto tree = dynamic_cast< QTreeWidget* >( event->source( ) );
- if( tree == NULL )
- return;
-
- QPointF p = this->mapToScene( event->pos( ) );
- QList< QTreeWidgetItem* > items = tree->selectedItems( );
- for( auto iIt = items.begin( ); iIt != items.end( ); ++iIt )
- {
- auto parent = ( *iIt )->parent( );
- if( parent != NULL )
- this->addFilter(
- parent->text( 0 ).toStdString( ),
- ( *iIt )->text( 0 ).toStdString( ),
- p
- );
-
- } // rof
-}
-
-// -------------------------------------------------------------------------
-void cpBaseQtApplication::Pipeline::Canvas::
-_scaleView( qreal scaleFactor )
-{
- qreal factor = this->transform( ).
- scale( scaleFactor, scaleFactor ).
- mapRect( QRectF( 0, 0, 1, 1 ) ).
- width( );
- if( factor < qreal( 0.07 ) || factor > qreal( 100 ) )
- return;
- this->scale( scaleFactor, scaleFactor );
-}
-
-// -------------------------------------------------------------------------
-void cpBaseQtApplication::Pipeline::Canvas::
-_redrawWorkspace( )
-{
- // Get filters names
- if( this->m_Workspace == NULL )
- return;
- auto fnames = this->m_Workspace->GetFiltersNames( );
-
- // Create blocks
- for( auto fname : fnames )
- {
- auto filter = this->m_Workspace->GetFilter( fname );
- Block* b = new Block( filter, NULL, this->m_Scene );
- b->setPos( filter->GetViewX( ), filter->GetViewY( ) );
- if( this->m_OutputPortReceiver != NULL )
- b->connectOutputPortSlot(
- this->m_OutputPortReceiver, this->m_OutputPortSlot.c_str( )
- );
- this->m_Blocks[ filter->GetName( ) ] = b;
-
- } // rof
-
- // Create connections
- for( auto b : this->m_Blocks )
- {
- auto filter = b.second->filter( );
- auto inputs = filter->GetInputsNames( );
- for( auto in : inputs )
- {
- for( unsigned int id = 0; id < filter->GetInputSize( in ); ++id )
- {
- auto inData = filter->GetInput( in, id );
- if( inData != NULL )
- {
- auto src = inData->GetSource( );
- auto outputs = src->GetOutputsNames( );
- std::string outName = "";
- for( auto out : outputs )
- if( src->GetOutput( out ) == inData )
- outName = out;
- auto c = this->m_Blocks.find( src->GetName( ) );
- auto b_src = c->second;
- auto b_des = b.second;
- auto oport = b_src->outputPort( outName.c_str( ) );
- auto iport = b_des->inputPort( in.c_str( ) );
-
- auto conn = new Connection( 0, this->m_Scene );
- conn->setPort1( oport );
- conn->setPort2( iport );
- conn->setPos1( oport->scenePos( ) );
- conn->setPos2( iport->scenePos( ) );
- conn->updatePosFromPorts( );
- conn->updatePath( );
-
- } // fi
-
- } // rof
-
- } // rof
-
- } // rof
-}
-
-// eof - $RCSfile$
git://git.creatis.insa-lyon.fr / cpPlugins.git / blobdiff