lib/cpPipelineEditor/Port.cxx

   1 #include "Port.h"\r
   2 #include "Connection.h"\r
   3 #include "Block.h"\r
   4 #include "Editor.h"\r
   5 \r
   6 #include <cpPlugins/DataObjectVisualizationQtDialog.h>\r
   7 \r
   8 #include <QGraphicsScene>\r
   9 #include <QGraphicsSceneContextMenuEvent>\r
  10 #include <QFontMetrics>\r
  11 #include <QMenu>\r
  12 #include <QPainter>\r
  13 #include <QPen>\r
  14 \r
  15 // -------------------------------------------------------------------------\r
  16 cpPipelineEditor::Port::\r
  17 Port( QGraphicsItem* parent, QGraphicsScene* scene )\r
  18   : Superclass( parent, scene ),\r
  19     m_Radius( 5 ),\r
  20     m_Margin( 2 )\r
  21 {\r
  22   this->m_Label = new QGraphicsTextItem( this );\r
  23   this->m_ExtendedLabel = new QGraphicsTextItem( this );\r
  24   this->setExtend( false );\r
  25 \r
  26   QPainterPath p;\r
  27   p.addEllipse( 0, 0, 2 * this->m_Radius, 2 * this->m_Radius );\r
  28 \r
  29   this->setPath( p );\r
  30   this->setPen( QPen( Qt::darkRed ) );\r
  31   this->setBrush( Qt::red );\r
  32   this->setFlag( QGraphicsItem::ItemSendsScenePositionChanges );\r
  33 }\r
  34 \r
  35 // -------------------------------------------------------------------------\r
  36 cpPipelineEditor::Port::\r
  37 ~Port( )\r
  38 {\r
  39 }\r
  40 \r
  41 // -------------------------------------------------------------------------\r
  42 void cpPipelineEditor::Port::\r
  43 setBlock( Block* b )\r
  44 {\r
  45   this->m_Block = b;\r
  46 }\r
  47 \r
  48 // -------------------------------------------------------------------------\r
  49 void cpPipelineEditor::Port::\r
  50 setName( const QString& n )\r
  51 {\r
  52   this->m_Label->setPlainText( n );\r
  53   this->_updateLabels( );\r
  54 }\r
  55 \r
  56 // -------------------------------------------------------------------------\r
  57 void cpPipelineEditor::Port::\r
  58 setExtendedName( const QString& n )\r
  59 {\r
  60   this->m_ExtendedLabel->setPlainText( n );\r
  61   this->_updateLabels( );\r
  62 }\r
  63 \r
  64 // -------------------------------------------------------------------------\r
  65 void cpPipelineEditor::Port::\r
  66 setExtend( bool extend )\r
  67 {\r
  68   // Do nothing!\r
  69   this->m_IsExtended = false;\r
  70   this->m_ExtendedLabel->setVisible( false );\r
  71 }\r
  72 \r
  73 // -------------------------------------------------------------------------\r
  74 void cpPipelineEditor::Port::\r
  75 paint(\r
  76   QPainter* painter,\r
  77   const QStyleOptionGraphicsItem* option,\r
  78   QWidget* widget\r
  79   )\r
  80 {\r
  81   Q_UNUSED( option );\r
  82   Q_UNUSED( widget );\r
  83 \r
  84   if( this->isExtended( ) )\r
  85   {\r
  86     painter->setPen( QPen( Qt::darkBlue ) );\r
  87     painter->setBrush( Qt::blue );\r
  88   }\r
  89   else\r
  90   {\r
  91     painter->setPen( QPen( Qt::darkRed ) );\r
  92     painter->setBrush( Qt::red );\r
  93 \r
  94   } // fi\r
  95   painter->drawPath( this->path( ) );\r
  96 }\r
  97 \r
  98 // -------------------------------------------------------------------------\r
  99 cpPipelineEditor::NamePort::\r
 100 NamePort( QGraphicsItem* parent, QGraphicsScene* scene )\r
 101   : Superclass( parent, scene )\r
 102 {\r
 103 }\r
 104 \r
 105 // -------------------------------------------------------------------------\r
 106 cpPipelineEditor::NamePort::\r
 107 ~NamePort( )\r
 108 {\r
 109 }\r
 110 \r
 111 // -------------------------------------------------------------------------\r
 112 void cpPipelineEditor::NamePort::\r
 113 _updateLabels( )\r
 114 {\r
 115   QFont font( this->scene( )->font( ) );\r
 116   font.setBold( true );\r
 117   this->m_Label->setFont( font );\r
 118   this->m_ExtendedLabel->setFont( font );\r
 119   this->setPath( QPainterPath( ) );\r
 120 }\r
 121 \r
 122 // -------------------------------------------------------------------------\r
 123 bool cpPipelineEditor::NamePort::\r
 124 isConnected( Port* other )\r
 125 {\r
 126   return( false );\r
 127 }\r
 128 \r
 129 // -------------------------------------------------------------------------\r
 130 cpPipelineEditor::InputPort::\r
 131 InputPort( QGraphicsItem* parent, QGraphicsScene* scene )\r
 132   : Superclass( parent, scene ),\r
 133     m_Connection( NULL )\r
 134 {\r
 135 }\r
 136 \r
 137 // -------------------------------------------------------------------------\r
 138 cpPipelineEditor::InputPort::\r
 139 ~InputPort( )\r
 140 {\r
 141   if( this->m_Connection != NULL )\r
 142     delete this->m_Connection;\r
 143 }\r
 144 \r
 145 // -------------------------------------------------------------------------\r
 146 void cpPipelineEditor::InputPort::\r
 147 _updateLabels( )\r
 148 {\r
 149   QFontMetrics fm( this->scene( )->font( ) );\r
 150   this->m_Label->setPos( this->m_Radius * 2, -fm.height( ) / 2 );\r
 151   this->m_ExtendedLabel->setPos(\r
 152     -fm.width( this->extendedName( ) ) - this->m_Radius * 2,\r
 153     -fm.height( ) / 2\r
 154     );\r
 155 }\r
 156 \r
 157 // -------------------------------------------------------------------------\r
 158 void cpPipelineEditor::InputPort::\r
 159 setExtend( bool extend )\r
 160 {\r
 161   if( this->m_Connection == NULL )\r
 162   {\r
 163     this->m_IsExtended = extend;\r
 164     this->m_ExtendedLabel->setVisible( extend );\r
 165   }\r
 166   else\r
 167     this->Superclass::setExtend( false );\r
 168 }\r
 169 \r
 170 // -------------------------------------------------------------------------\r
 171 bool cpPipelineEditor::InputPort::\r
 172 isConnected( Port* other )\r
 173 {\r
 174   if( this->m_Connection != NULL )\r
 175     return(\r
 176       this->m_Connection->port1( ) == other &&\r
 177       this->m_Connection->port2( ) == this\r
 178       );\r
 179   else\r
 180     return( false );\r
 181 }\r
 182 \r
 183 // -------------------------------------------------------------------------\r
 184 void cpPipelineEditor::InputPort::\r
 185 setConnection( Connection* c )\r
 186 {\r
 187   this->m_Connection = c;\r
 188 }\r
 189 \r
 190 // -------------------------------------------------------------------------\r
 191 QVariant cpPipelineEditor::InputPort::\r
 192 itemChange( GraphicsItemChange change, const QVariant& value )\r
 193 {\r
 194   if( change == ItemScenePositionHasChanged )\r
 195   {\r
 196     if( this->m_Connection != NULL )\r
 197     {\r
 198       this->m_Connection->updatePosFromPorts( );\r
 199       this->m_Connection->updatePath( );\r
 200 \r
 201     } // fi\r
 202 \r
 203   } // fi\r
 204   return( value );\r
 205 }\r
 206 \r
 207 // -------------------------------------------------------------------------\r
 208 cpPipelineEditor::OutputPort::\r
 209 OutputPort( QGraphicsItem* parent, QGraphicsScene* scene )\r
 210   : Superclass( parent, scene )\r
 211 {\r
 212 }\r
 213 \r
 214 // -------------------------------------------------------------------------\r
 215 cpPipelineEditor::OutputPort::\r
 216 ~OutputPort( )\r
 217 {\r
 218   foreach( Connection* conn, this->m_Connections )\r
 219     delete conn;\r
 220 }\r
 221 \r
 222 // -------------------------------------------------------------------------\r
 223 void cpPipelineEditor::OutputPort::\r
 224 _updateLabels( )\r
 225 {\r
 226   QFontMetrics fm( this->scene( )->font( ) );\r
 227   this->m_Label->setPos(\r
 228     -fm.width( this->name( ) ) - this->m_Radius * 2, -fm.height( ) / 2\r
 229     );\r
 230   this->m_ExtendedLabel->setPos( this->m_Radius * 2, -fm.height( ) / 2 );\r
 231 \r
 232 }\r
 233 \r
 234 // -------------------------------------------------------------------------\r
 235 void cpPipelineEditor::OutputPort::\r
 236 setExtend( bool extend )\r
 237 {\r
 238   this->m_IsExtended = extend;\r
 239   this->m_ExtendedLabel->setVisible( extend );\r
 240 }\r
 241 \r
 242 // -------------------------------------------------------------------------\r
 243 bool cpPipelineEditor::OutputPort::\r
 244 isConnected( Port* other )\r
 245 {\r
 246   auto i = this->m_Connections.begin( );\r
 247   bool conn = false;\r
 248   for( ; i != this->m_Connections.end( ) && !conn; ++i )\r
 249     conn |= ( ( *i )->port1( ) == this && ( *i )->port2( ) == other );\r
 250   return( conn );\r
 251 }\r
 252 \r
 253 // -------------------------------------------------------------------------\r
 254 QVariant cpPipelineEditor::OutputPort::\r
 255 itemChange( GraphicsItemChange change, const QVariant& value )\r
 256 {\r
 257   if( change == ItemScenePositionHasChanged )\r
 258   {\r
 259     foreach( Connection* conn, this->m_Connections )\r
 260     {\r
 261       conn->updatePosFromPorts( );\r
 262       conn->updatePath( );\r
 263 \r
 264     } // rof\r
 265 \r
 266   } // fi\r
 267   return( value );\r
 268 }\r
 269 \r
 270 // -------------------------------------------------------------------------\r
 271 void cpPipelineEditor::OutputPort::\r
 272 contextMenuEvent( QGraphicsSceneContextMenuEvent* evt )\r
 273 {\r
 274   if( this->m_Block == NULL )\r
 275     return;\r
 276   \r
 277   QMenu menu;\r
 278   QAction* showAction = menu.addAction( "Show" );\r
 279   QAction* hideAction = menu.addAction( "Hide" );\r
 280   QAction* propertiesAction = menu.addAction( "Properties" );\r
 281   QAction* selectedAction = menu.exec( evt->screenPos( ) );\r
 282 \r
 283   if( selectedAction == showAction )\r
 284   {\r
 285     this->m_Block->editor( )->showOutputData(\r
 286       this->m_Block->namePort( ).toStdString( ),\r
 287       this->name( ).toStdString( )\r
 288       );\r
 289   }\r
 290   else if( selectedAction == hideAction )\r
 291   {\r
 292     this->m_Block->editor( )->hideOutputData(\r
 293       this->m_Block->namePort( ).toStdString( ),\r
 294       this->name( ).toStdString( )\r
 295       );\r
 296   }\r
 297   else if( selectedAction == propertiesAction )\r
 298   {\r
 299     auto filter = this->m_Block->filter( );\r
 300     auto name = this->name( ).toStdString( );\r
 301     if( filter != NULL )\r
 302     {\r
 303       auto output = filter->GetOutput( name );\r
 304       if( output != NULL )\r
 305       {\r
 306         auto dlg = output->CreateQtDialog( );\r
 307         dlg->exec( );\r
 308 \r
 309       } // fi\r
 310 \r
 311     } // fi\r
 312 \r
 313   } // fi\r
 314 }\r
 315 \r
 316 // eof - $RCSfile$\r