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