lib/cpBaseQtApplication/Block.cxx

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