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