lib/cpPipelineEditor/Block.cxx

   1 #include "Block.h"\r
   2 \r
   3 #include <QPen>\r
   4 #include <QGraphicsScene>\r
   5 #include <QGraphicsSceneContextMenuEvent>\r
   6 #include <QFontMetrics>\r
   7 #include <QMenu>\r
   8 #include <QPainter>\r
   9 #include <QStyleOptionGraphicsItem>\r
  10 #include <QGraphicsWidget>\r
  11 \r
  12 #include <cpPlugins/ParametersQtDialog.h>\r
  13 \r
  14 #include "Port.h"\r
  15 #include "Connection.h"\r
  16 #include "Editor.h"\r
  17 \r
  18 // -------------------------------------------------------------------------\r
  19 cpPipelineEditor::Block::\r
  20 Block(\r
  21   TFilter* filter, const QString& name,\r
  22   QGraphicsItem* parent, QGraphicsScene* scene\r
  23   )\r
  24   : Superclass( parent, scene ),\r
  25     m_HorzMargin( 20 ),\r
  26     m_VertMargin( 5 ),\r
  27     m_NamePort( NULL ),\r
  28     m_Filter( filter ),\r
  29     m_Editor( NULL )\r
  30 {\r
  31   QPainterPath p;\r
  32   p.addRoundedRect( -50, -15, 100, 30, 5, 5 );\r
  33 \r
  34   this->setPath( p );\r
  35   this->setPen( QPen( Qt::darkGreen ) );\r
  36   this->setBrush( Qt::green );\r
  37   this->setFlag( QGraphicsItem::ItemIsMovable );\r
  38   this->setFlag( QGraphicsItem::ItemIsSelectable );\r
  39 \r
  40   this->m_Width = this->m_HorzMargin;\r
  41   this->m_Height = this->m_VertMargin;\r
  42 \r
  43   // Configure names\r
  44   this->setNamePort( name );\r
  45   this->_setTypeInfo( this->m_Filter->GetClassName( ) );\r
  46 \r
  47   // Add input ports\r
  48   auto inputs = this->m_Filter->GetInputsNames( );\r
  49   for( auto iIt = inputs.begin( ); iIt != inputs.end( ); ++iIt )\r
  50     this->addInputPort( iIt->c_str( ) );\r
  51 \r
  52   // Add output ports\r
  53   auto outputs = this->m_Filter->GetOutputsNames( );\r
  54   for( auto oIt = outputs.begin( ); oIt != outputs.end( ); ++oIt )\r
  55     this->addOutputPort( oIt->c_str( ) );\r
  56 }\r
  57 \r
  58 // -------------------------------------------------------------------------\r
  59 cpPipelineEditor::Block::\r
  60 ~Block( )\r
  61 {\r
  62 }\r
  63 \r
  64 // -------------------------------------------------------------------------\r
  65 cpPipelineEditor::Editor* cpPipelineEditor::Block::\r
  66 editor( )\r
  67 {\r
  68   return( this->m_Editor );\r
  69 }\r
  70 \r
  71 // -------------------------------------------------------------------------\r
  72 const cpPipelineEditor::Editor* cpPipelineEditor::Block::\r
  73 editor( ) const\r
  74 {\r
  75   return( this->m_Editor );\r
  76 }\r
  77 \r
  78 // -------------------------------------------------------------------------\r
  79 void cpPipelineEditor::Block::\r
  80 setEditor( cpPipelineEditor::Editor* editor )\r
  81 {\r
  82   this->m_Editor = editor;\r
  83 }\r
  84 \r
  85 // -------------------------------------------------------------------------\r
  86 void cpPipelineEditor::Block::\r
  87 setNamePort( const QString& txt )\r
  88 {\r
  89   if( this->m_NamePort == NULL )\r
  90     this->m_NamePort = new NamePort( this );\r
  91   this->m_NamePort->setName( txt );\r
  92   this->_configPort( this->m_NamePort );\r
  93 }\r
  94 \r
  95 // -------------------------------------------------------------------------\r
  96 cpPipelineEditor::InputPort* cpPipelineEditor::Block::\r
  97 addInputPort( const QString& txt )\r
  98 {\r
  99   InputPort* ip = new InputPort( this );\r
 100   ip->setExtendedName(\r
 101     (\r
 102       txt.toStdString( ) +\r
 103       std::string( "@" ) +\r
 104       this->namePort( ).toStdString( )\r
 105       ).c_str( )\r
 106     );\r
 107   ip->setName( txt );\r
 108   this->m_InputPorts[ txt.toStdString( ) ] = ip;\r
 109   this->_configPort( ip );\r
 110   return( ip );\r
 111 }\r
 112 \r
 113 // -------------------------------------------------------------------------\r
 114 cpPipelineEditor::OutputPort* cpPipelineEditor::Block::\r
 115 addOutputPort( const QString& txt )\r
 116 {\r
 117   OutputPort* op = new OutputPort( this );\r
 118   op->setExtendedName(\r
 119     (\r
 120       txt.toStdString( ) +\r
 121       std::string( "@" ) +\r
 122       this->namePort( ).toStdString( )\r
 123       ).c_str( )\r
 124     );\r
 125   op->setName( txt );\r
 126   this->m_OutputPorts[ txt.toStdString( ) ] = op;\r
 127   this->_configPort( op );\r
 128   return( op );\r
 129 }\r
 130 \r
 131 // -------------------------------------------------------------------------\r
 132 cpPipelineEditor::InputPort* cpPipelineEditor::Block::\r
 133 inputPort( const QString& txt )\r
 134 {\r
 135   auto i = this->m_InputPorts.find( txt.toStdString( ) );\r
 136   if( i != this->m_InputPorts.end( ) )\r
 137     return( i->second );\r
 138   else\r
 139     return( NULL );\r
 140 }\r
 141 \r
 142 // -------------------------------------------------------------------------\r
 143 cpPipelineEditor::OutputPort* cpPipelineEditor::Block::\r
 144 outputPort( const QString& txt )\r
 145 {\r
 146   auto o = this->m_OutputPorts.find( txt.toStdString( ) );\r
 147   if( o != this->m_OutputPorts.end( ) )\r
 148     return( o->second );\r
 149   else\r
 150     return( NULL );\r
 151 }\r
 152 \r
 153 // -------------------------------------------------------------------------\r
 154 QString cpPipelineEditor::Block::\r
 155 namePort( ) const\r
 156 {\r
 157   return( this->m_NamePort->name( ) );\r
 158 }\r
 159 \r
 160 // -------------------------------------------------------------------------\r
 161 const cpPipelineEditor::InputPort* cpPipelineEditor::Block::\r
 162 inputPort( const QString& txt ) const\r
 163 {\r
 164   auto i = this->m_InputPorts.find( txt.toStdString( ) );\r
 165   if( i != this->m_InputPorts.end( ) )\r
 166     return( i->second );\r
 167   else\r
 168     return( NULL );\r
 169 }\r
 170 \r
 171 // -------------------------------------------------------------------------\r
 172 const cpPipelineEditor::OutputPort* cpPipelineEditor::Block::\r
 173 outputPort( const QString& txt ) const\r
 174 {\r
 175   auto o = this->m_OutputPorts.find( txt.toStdString( ) );\r
 176   if( o != this->m_OutputPorts.end( ) )\r
 177     return( o->second );\r
 178   else\r
 179     return( NULL );\r
 180 }\r
 181 \r
 182 // -------------------------------------------------------------------------\r
 183 void cpPipelineEditor::Block::\r
 184 paint(\r
 185   QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget\r
 186   )\r
 187 {\r
 188   Q_UNUSED( option );\r
 189   Q_UNUSED( widget );\r
 190 \r
 191   if( this->isSelected( ) )\r
 192   {\r
 193     painter->setPen( QPen( Qt::darkYellow ) );\r
 194     painter->setBrush( Qt::yellow );\r
 195   }\r
 196   else\r
 197   {\r
 198     painter->setPen( QPen( Qt::darkGreen ) );\r
 199     painter->setBrush( Qt::green );\r
 200 \r
 201   } // fi\r
 202   painter->drawPath( this->path( ) );\r
 203 }\r
 204 \r
 205 // -------------------------------------------------------------------------\r
 206 QVariant cpPipelineEditor::Block::\r
 207 itemChange( GraphicsItemChange change, const QVariant& value )\r
 208 {\r
 209   return( value );\r
 210 }\r
 211 \r
 212 // -------------------------------------------------------------------------\r
 213 void cpPipelineEditor::Block::\r
 214 _setTypeInfo( const QString& txt )\r
 215 {\r
 216   this->setToolTip( txt );\r
 217 }\r
 218 \r
 219 // -------------------------------------------------------------------------\r
 220 void cpPipelineEditor::Block::\r
 221 _configPort( Port* port )\r
 222 {\r
 223   port->setBlock( this );\r
 224 \r
 225   QFontMetrics fm( this->scene( )->font( ) );\r
 226   this->m_Width = 0;\r
 227   foreach( QGraphicsItem* i, this->children( ) )\r
 228   {\r
 229     Port* p = dynamic_cast< Port* >( i );\r
 230     if( p == NULL )\r
 231       continue;\r
 232     int w = fm.width( p->name( ) ) + ( 4 * p->radius( ) );\r
 233     if( w > this->m_Width - this->m_HorzMargin )\r
 234       this->m_Width = w + this->m_HorzMargin;\r
 235 \r
 236   } // rof\r
 237   int h = fm.height( );\r
 238   this->m_Height = this->m_InputPorts.size( ) + this->m_OutputPorts.size( );\r
 239   this->m_Height += 3;\r
 240   this->m_Height *= h;\r
 241 \r
 242   QPainterPath pth;\r
 243   pth.addRoundedRect(\r
 244     -this->m_Width / 2,\r
 245     -this->m_Height / 2,\r
 246     this->m_Width,\r
 247     this->m_Height, 5, 5\r
 248     );\r
 249   this->setPath( pth );\r
 250 \r
 251   int y = -this->m_Height / 2 + this->m_VertMargin + port->radius( );\r
 252   foreach( QGraphicsItem* i, this->children( ) )\r
 253   {\r
 254     Port* p = dynamic_cast< Port* >( i );\r
 255     if( p == NULL )\r
 256       continue;\r
 257 \r
 258     if( dynamic_cast< NamePort* >( i ) != NULL )\r
 259     {\r
 260       i->setPos( -this->m_Width / 2 + port->radius( ), y );\r
 261       y += h;\r
 262     }\r
 263     else if( dynamic_cast< InputPort* >( i ) != NULL )\r
 264       i->setPos( -this->m_Width / 2 - 2 * port->radius( ), y );\r
 265     else if( dynamic_cast< OutputPort* >( i ) != NULL )\r
 266       i->setPos( this->m_Width / 2, y );\r
 267     y += h;\r
 268 \r
 269   } // rof\r
 270 }\r
 271 \r
 272 // -------------------------------------------------------------------------\r
 273 void cpPipelineEditor::Block::\r
 274 mouseReleaseEvent( QGraphicsSceneMouseEvent* evt )\r
 275 {\r
 276   if( this->m_Filter != NULL )\r
 277     this->m_Filter->SetViewCoords(\r
 278       this->scenePos( ).x( ), this->scenePos( ).y( )\r
 279       );\r
 280   this->Superclass::mouseReleaseEvent( evt );\r
 281 }\r
 282 \r
 283 // -------------------------------------------------------------------------\r
 284 void cpPipelineEditor::Block::\r
 285 contextMenuEvent( QGraphicsSceneContextMenuEvent* evt )\r
 286 {\r
 287   QMenu menu;\r
 288   QAction* configureAction = menu.addAction( "Configure" );\r
 289   QAction* updateAction = menu.addAction( "Update" );\r
 290   QAction* selectedAction = menu.exec( evt->screenPos( ) );\r
 291 \r
 292   if( selectedAction == configureAction )\r
 293   {\r
 294     auto dlg = this->m_Filter->CreateQtDialog( );\r
 295     dlg->exec( );\r
 296   }\r
 297   else if( selectedAction == updateAction )\r
 298     this->m_Editor->updateFilter( this->namePort( ).toStdString( ) );\r
 299 }\r
 300 \r
 301 // eof - $RCSfile$\r