lib/cpPipelineEditor/Editor.cxx

   1 #include "Editor.h"\r
   2 \r
   3 #include <QGraphicsScene>\r
   4 #include <QEvent>\r
   5 #include <QGraphicsSceneContextMenuEvent>\r
   6 #include <QGraphicsSceneDragDropEvent>\r
   7 #include <QGraphicsSceneHelpEvent>\r
   8 #include <QGraphicsSceneHoverEvent>\r
   9 #include <QGraphicsSceneMouseEvent>\r
  10 #include <QGraphicsSceneMoveEvent>\r
  11 #include <QGraphicsSceneResizeEvent>\r
  12 #include <QGraphicsSceneWheelEvent>\r
  13 #include <QInputDialog>\r
  14 #include <QMessageBox>\r
  15 \r
  16 #include "Port.h"\r
  17 #include "Connection.h"\r
  18 #include "Block.h"\r
  19 \r
  20 // -------------------------------------------------------------------------\r
  21 #define cpPipelineEditor_Editor_Callback_SWITCH( E, e )                 \\r
  22   case QEvent::GraphicsScene##E:                                        \\r
  23   {                                                                     \\r
  24     QGraphicsScene##E##Event* evt =                                     \\r
  25       dynamic_cast< QGraphicsScene##E##Event* >( e );                   \\r
  26     if( evt != NULL )                                                   \\r
  27       this->_##E##_cbk( evt );                                          \\r
  28   }                                                                     \\r
  29   break;\r
  30 \r
  31 // -------------------------------------------------------------------------\r
  32 #define cpPipelineEditor_Editor_Callback_CODE( E )                      \\r
  33   void cpPipelineEditor::Editor::_##E##_cbk( QGraphicsScene##E##Event* evt )\r
  34 \r
  35 // -------------------------------------------------------------------------\r
  36 cpPipelineEditor::Editor::\r
  37 Editor( QObject* parent )\r
  38   : Superclass( parent ),\r
  39     m_ActualConnection( NULL ),\r
  40     m_Workspace( NULL )\r
  41 {\r
  42 }\r
  43 \r
  44 // -------------------------------------------------------------------------\r
  45 cpPipelineEditor::Editor::\r
  46 ~Editor( )\r
  47 {\r
  48 }\r
  49 \r
  50 // -------------------------------------------------------------------------\r
  51 cpPipelineEditor::Editor::\r
  52 TWorkspace* cpPipelineEditor::Editor::\r
  53 workspace( )\r
  54 {\r
  55   return( this->m_Workspace );\r
  56 }\r
  57 \r
  58 // -------------------------------------------------------------------------\r
  59 const cpPipelineEditor::Editor::\r
  60 TWorkspace* cpPipelineEditor::Editor::\r
  61 workspace( ) const\r
  62 {\r
  63   return( this->m_Workspace );\r
  64 }\r
  65 \r
  66 // -------------------------------------------------------------------------\r
  67 void cpPipelineEditor::Editor::\r
  68 setWorkspace( TWorkspace* ws )\r
  69 {\r
  70   this->m_Workspace = ws;\r
  71   this->m_Graph = TGraph::New( );\r
  72 \r
  73   // Create blocks\r
  74   auto vIt = this->m_Workspace->GetGraph( )->BeginVertices( );\r
  75   auto vIt_end = this->m_Workspace->GetGraph( )->EndVertices( );\r
  76   for( ; vIt != vIt_end; ++vIt )\r
  77   {\r
  78     auto b = this->_createBlock(\r
  79       dynamic_cast< TFilter* >( vIt->second.GetPointer( ) ),\r
  80       vIt->first.c_str( ),\r
  81       QPointF( vIt->second->GetViewX( ), vIt->second->GetViewY( ) )\r
  82       );\r
  83     if( b != NULL )\r
  84       this->m_Graph->SetVertex( vIt->first, b );\r
  85 \r
  86   } // rof\r
  87 \r
  88   // Add edges\r
  89   auto rIt = this->m_Workspace->GetGraph( )->BeginEdgesRows( );\r
  90   auto rIt_end = this->m_Workspace->GetGraph( )->EndEdgesRows( );\r
  91   for( ; rIt != rIt_end; ++rIt )\r
  92   {\r
  93     Block* orig = this->m_Graph->GetVertex( rIt->first );\r
  94     auto cIt = rIt->second.begin( );\r
  95     for( ; cIt != rIt->second.end( ); ++cIt )\r
  96     {\r
  97       Block* dest = this->m_Graph->GetVertex( cIt->first );\r
  98       auto eIt = cIt->second.begin( );\r
  99       for( ; eIt != cIt->second.end( ); ++eIt )\r
 100       {\r
 101         OutputPort* op = orig->outputPort( eIt->first.c_str( ) );\r
 102         InputPort* ip = dest->inputPort( eIt->second.c_str( ) );\r
 103         if( op == NULL || ip == NULL )\r
 104           continue;\r
 105 \r
 106         Connection* c = new Connection( 0, this->m_Scene );\r
 107         c->setPort1( op );\r
 108         c->setPort2( ip );\r
 109         c->updatePosFromPorts( );\r
 110         c->updatePath( );\r
 111         this->m_Graph->AddEdge( rIt->first, cIt->first, c );\r
 112 \r
 113       } // rof\r
 114 \r
 115     } // rof\r
 116 \r
 117   } // rof\r
 118 }\r
 119 \r
 120 // -------------------------------------------------------------------------\r
 121 std::string cpPipelineEditor::Editor::\r
 122 createFilter(\r
 123   const std::string& category,\r
 124   const std::string& filter,\r
 125   const QPointF& pnt\r
 126   )\r
 127 {\r
 128   std::string name = filter;\r
 129   while( this->m_Workspace->HasFilter( name ) )\r
 130     name += std::string( "_" );\r
 131   if( this->m_Workspace->CreateFilter( category, filter, name ) )\r
 132   {\r
 133     auto b = this->_createBlock(\r
 134       this->m_Workspace->GetFilter( name ),\r
 135       name.c_str( ),\r
 136       pnt\r
 137       );\r
 138     return( name );\r
 139   }\r
 140   else\r
 141     return( "" );\r
 142 }\r
 143 \r
 144 // -------------------------------------------------------------------------\r
 145 bool cpPipelineEditor::Editor::\r
 146 deleteFilter( const std::string& name )\r
 147 {\r
 148   std::cout << name << std::endl;\r
 149   return( false );\r
 150 }\r
 151 \r
 152 // -------------------------------------------------------------------------\r
 153 bool cpPipelineEditor::Editor::\r
 154 deleteConnection(\r
 155   const std::string& src, const std::string& des,\r
 156   const std::string& in, const std::string& out\r
 157   )\r
 158 {\r
 159   std::cout\r
 160     << src << " "\r
 161     << des << " "\r
 162     << in << " "\r
 163     << out << std::endl;\r
 164   return( false );\r
 165 }\r
 166 \r
 167 // -------------------------------------------------------------------------\r
 168 void cpPipelineEditor::Editor::\r
 169 install( QGraphicsScene* s )\r
 170 {\r
 171   s->installEventFilter( this );\r
 172   this->m_Scene = s;\r
 173 }\r
 174 \r
 175 // -------------------------------------------------------------------------\r
 176 QGraphicsItem* cpPipelineEditor::Editor::\r
 177 itemAt( const QPointF& pos )\r
 178 {\r
 179   QList< QGraphicsItem* > items =\r
 180     this->m_Scene->items( QRectF( pos - QPointF( 1, 1 ), QSize( 3, 3 ) ) );\r
 181 \r
 182   foreach( QGraphicsItem* item, items )\r
 183     if( item->type( ) > QGraphicsItem::UserType )\r
 184       return( item );\r
 185   return( NULL );\r
 186 }\r
 187 \r
 188 // -------------------------------------------------------------------------\r
 189 cpPipelineEditor::Block* cpPipelineEditor::Editor::\r
 190 _createBlock( TFilter* f, const QString& name, const QPointF& pnt )\r
 191 {\r
 192   if( f == NULL )\r
 193     return( NULL );\r
 194 \r
 195   // Add block\r
 196   Block* b = new Block( f, name, 0, this->m_Scene );\r
 197   b->setEditor( this );\r
 198   b->setPos( pnt );\r
 199 \r
 200   // Mark exposed inputs\r
 201   auto& e_in = this->m_Workspace->GetExposedInputPorts( );\r
 202   auto f_in = f->GetInputsNames( );\r
 203   for( auto iIt = f_in.begin( ); iIt != f_in.end( ); ++iIt )\r
 204   {\r
 205     auto eIt = e_in.begin( );\r
 206     auto fIt = e_in.end( );\r
 207     for( ; eIt != e_in.end( ) && fIt == e_in.end( ); ++eIt )\r
 208       if( eIt->second.second == *iIt )\r
 209         fIt = eIt;\r
 210     if( fIt == e_in.end( ) )\r
 211       continue;\r
 212     \r
 213     auto port = b->inputPort( iIt->c_str( ) );\r
 214     port->setExtendedName( fIt->first.c_str( ) );\r
 215     port->setExtend( true );\r
 216 \r
 217   } // rof\r
 218 \r
 219   // Mark exposed outputs\r
 220   auto& e_out = this->m_Workspace->GetExposedOutputPorts( );\r
 221   auto f_out = f->GetOutputsNames( );\r
 222   for( auto iIt = f_out.begin( ); iIt != f_out.end( ); ++iIt )\r
 223   {\r
 224     auto eIt = e_out.begin( );\r
 225     auto fIt = e_out.end( );\r
 226     for( ; eIt != e_out.end( ) && fIt == e_out.end( ); ++eIt )\r
 227       if( eIt->second.second == *iIt )\r
 228         fIt = eIt;\r
 229     if( fIt == e_out.end( ) )\r
 230       continue;\r
 231     \r
 232     auto port = b->outputPort( iIt->c_str( ) );\r
 233     port->setExtendedName( fIt->first.c_str( ) );\r
 234     port->setExtend( true );\r
 235 \r
 236   } // rof\r
 237 \r
 238   return( b );\r
 239 }\r
 240 \r
 241 // -------------------------------------------------------------------------\r
 242 bool cpPipelineEditor::Editor::\r
 243 eventFilter( QObject* o, QEvent* e )\r
 244 {\r
 245   // Event type\r
 246   switch( int( e->type( ) ) )\r
 247   {\r
 248     cpPipelineEditor_Editor_Callback_SWITCH( ContextMenu, e );\r
 249     cpPipelineEditor_Editor_Callback_SWITCH( DragEnter, e );\r
 250     cpPipelineEditor_Editor_Callback_SWITCH( DragLeave, e );\r
 251     cpPipelineEditor_Editor_Callback_SWITCH( DragMove, e );\r
 252     cpPipelineEditor_Editor_Callback_SWITCH( Drop, e );\r
 253     cpPipelineEditor_Editor_Callback_SWITCH( Help, e );\r
 254     cpPipelineEditor_Editor_Callback_SWITCH( HoverEnter, e );\r
 255     cpPipelineEditor_Editor_Callback_SWITCH( HoverLeave, e );\r
 256     cpPipelineEditor_Editor_Callback_SWITCH( HoverMove, e );\r
 257     cpPipelineEditor_Editor_Callback_SWITCH( MouseDoubleClick, e );\r
 258     cpPipelineEditor_Editor_Callback_SWITCH( MouseMove, e );\r
 259     cpPipelineEditor_Editor_Callback_SWITCH( MousePress, e );\r
 260     cpPipelineEditor_Editor_Callback_SWITCH( MouseRelease, e );\r
 261     cpPipelineEditor_Editor_Callback_SWITCH( Move, e );\r
 262     cpPipelineEditor_Editor_Callback_SWITCH( Resize, e );\r
 263     cpPipelineEditor_Editor_Callback_SWITCH( Wheel, e );\r
 264   default:\r
 265     break;\r
 266   } // hctiws\r
 267   return( this->Superclass::eventFilter( o, e ) );\r
 268 }\r
 269 \r
 270 // -------------------------------------------------------------------------\r
 271 void cpPipelineEditor::Editor::\r
 272 updateFilter( const std::string& filter_name )\r
 273 {\r
 274   emit execFilter( filter_name );\r
 275 }\r
 276 \r
 277 // -------------------------------------------------------------------------\r
 278 void cpPipelineEditor::Editor::\r
 279 showOutputData(\r
 280   const std::string& filter_name, const std::string& output_name\r
 281   )\r
 282 {\r
 283   emit showFilterOutput( filter_name, output_name );\r
 284 }\r
 285 \r
 286 // -------------------------------------------------------------------------\r
 287 cpPipelineEditor_Editor_Callback_CODE( ContextMenu )\r
 288 {\r
 289 }\r
 290 \r
 291 // -------------------------------------------------------------------------\r
 292 cpPipelineEditor_Editor_Callback_CODE( DragEnter )\r
 293 {\r
 294 }\r
 295 \r
 296 // -------------------------------------------------------------------------\r
 297 cpPipelineEditor_Editor_Callback_CODE( DragLeave )\r
 298 {\r
 299 }\r
 300 \r
 301 // -------------------------------------------------------------------------\r
 302 cpPipelineEditor_Editor_Callback_CODE( DragMove )\r
 303 {\r
 304 }\r
 305 \r
 306 // -------------------------------------------------------------------------\r
 307 cpPipelineEditor_Editor_Callback_CODE( Drop )\r
 308 {\r
 309 }\r
 310 \r
 311 // -------------------------------------------------------------------------\r
 312 cpPipelineEditor_Editor_Callback_CODE( Help )\r
 313 {\r
 314 }\r
 315 \r
 316 // -------------------------------------------------------------------------\r
 317 cpPipelineEditor_Editor_Callback_CODE( HoverEnter )\r
 318 {\r
 319 }\r
 320 \r
 321 // -------------------------------------------------------------------------\r
 322 cpPipelineEditor_Editor_Callback_CODE( HoverLeave )\r
 323 {\r
 324 }\r
 325 \r
 326 // -------------------------------------------------------------------------\r
 327 cpPipelineEditor_Editor_Callback_CODE( HoverMove )\r
 328 {\r
 329 }\r
 330 \r
 331 // -------------------------------------------------------------------------\r
 332 cpPipelineEditor_Editor_Callback_CODE( MouseDoubleClick )\r
 333 {\r
 334   QGraphicsItem* item = this->itemAt( evt->scenePos( ) );\r
 335   if( item == NULL )\r
 336     return;\r
 337 \r
 338   switch( evt->button( ) )\r
 339   {\r
 340   case Qt::LeftButton:\r
 341   {\r
 342     Block* block = dynamic_cast< Block* >( item );\r
 343     Port* port = dynamic_cast< Port* >( item );\r
 344     Connection* conn = dynamic_cast< Connection* >( item );\r
 345 \r
 346     if( block != NULL )\r
 347     {\r
 348       QString old_name = block->namePort( );\r
 349       bool ok;\r
 350       QString new_name =\r
 351         QInputDialog::getText(\r
 352           dynamic_cast< QWidget* >( this->parent( ) ),\r
 353           "Change filter name",\r
 354           "Filter name:",\r
 355           QLineEdit::Normal,\r
 356           old_name,\r
 357           &ok\r
 358           );\r
 359       if( ok && !new_name.isEmpty( ) && old_name != new_name )\r
 360       {\r
 361         ok = this->m_Graph->RenameVertex(\r
 362           old_name.toStdString( ),\r
 363           new_name.toStdString( )\r
 364           );\r
 365         block->setNamePort( new_name );\r
 366         this->m_Workspace->RenameFilter(\r
 367           old_name.toStdString( ),\r
 368           new_name.toStdString( )\r
 369           );\r
 370 \r
 371       } // fi\r
 372     }\r
 373     else if( port != NULL )\r
 374     {\r
 375       if( evt->modifiers( ) == Qt::ControlModifier )\r
 376       {\r
 377         port->setExtend( !( port->isExtended( ) ) );\r
 378         InputPort* in_port = dynamic_cast< InputPort* >( port );\r
 379         OutputPort* out_port = dynamic_cast< OutputPort* >( port );\r
 380         if( port->isExtended( ) )\r
 381         {\r
 382           if( in_port != NULL )\r
 383           {\r
 384             this->m_Workspace->ExposeInputPort(\r
 385               in_port->extendedName( ).toStdString( ),\r
 386               in_port->block( )->namePort( ).toStdString( ),\r
 387               in_port->name( ).toStdString( )\r
 388               );\r
 389           }\r
 390           else if( out_port != NULL )\r
 391           {\r
 392             this->m_Workspace->ExposeOutputPort(\r
 393               out_port->extendedName( ).toStdString( ),\r
 394               out_port->block( )->namePort( ).toStdString( ),\r
 395               out_port->name( ).toStdString( )\r
 396               );\r
 397 \r
 398           } // fi\r
 399         }\r
 400         else\r
 401         {\r
 402           if( in_port != NULL )\r
 403             this->m_Workspace->HideInputPort(\r
 404               in_port->extendedName( ).toStdString( )\r
 405               );\r
 406           else if( out_port != NULL )\r
 407             this->m_Workspace->HideOutputPort(\r
 408               out_port->extendedName( ).toStdString( )\r
 409               );\r
 410 \r
 411         } // fi\r
 412         this->m_Scene->update( );\r
 413       }\r
 414       else if( evt->modifiers( ) == Qt::NoModifier )\r
 415       {\r
 416         if( port->isExtended( ) )\r
 417         {\r
 418           QString old_name = port->extendedName( );\r
 419           bool ok;\r
 420           QString new_name =\r
 421             QInputDialog::getText(\r
 422               dynamic_cast< QWidget* >( this->parent( ) ),\r
 423               "Change filter name",\r
 424               "Filter name:",\r
 425               QLineEdit::Normal,\r
 426               old_name,\r
 427               &ok\r
 428               );\r
 429           if( ok && !new_name.isEmpty( ) && old_name != new_name )\r
 430           {\r
 431             port->setExtendedName( new_name );\r
 432             InputPort* in_port = dynamic_cast< InputPort* >( port );\r
 433             OutputPort* out_port = dynamic_cast< OutputPort* >( port );\r
 434             if( in_port != NULL )\r
 435               this->m_Workspace->\r
 436                 RenameExposedInputPort(\r
 437                   old_name.toStdString( ),\r
 438                   new_name.toStdString( )\r
 439                   );\r
 440             else if( out_port != NULL )\r
 441               this->m_Workspace->\r
 442                 RenameExposedOutputPort(\r
 443                   old_name.toStdString( ),\r
 444                   new_name.toStdString( )\r
 445                   );\r
 446             this->m_Scene->update( );\r
 447 \r
 448           } // fi\r
 449 \r
 450         } // fi\r
 451 \r
 452       } // fi\r
 453     }\r
 454     else if( conn != NULL )\r
 455     {\r
 456     } // fi\r
 457   }\r
 458   break;\r
 459   /* TODO:\r
 460      case Qt::RightButton:\r
 461      {\r
 462      }\r
 463      break;\r
 464      case Qt::MiddleButton:\r
 465      {\r
 466      }\r
 467      break;\r
 468   */\r
 469   default:\r
 470     break;\r
 471   } // hctiws\r
 472 }\r
 473 \r
 474 // -------------------------------------------------------------------------\r
 475 cpPipelineEditor_Editor_Callback_CODE( MouseMove )\r
 476 {\r
 477   if( this->m_ActualConnection != NULL )\r
 478   {\r
 479     if( this->m_ActualConnection->port1( ) == NULL )\r
 480       this->m_ActualConnection->setPos1( evt->scenePos( ) );\r
 481     else if( this->m_ActualConnection->port2( ) == NULL )\r
 482       this->m_ActualConnection->setPos2( evt->scenePos( ) );\r
 483     this->m_ActualConnection->updatePath( );\r
 484 \r
 485   } // fi\r
 486 }\r
 487 \r
 488 // -------------------------------------------------------------------------\r
 489 cpPipelineEditor_Editor_Callback_CODE( MousePress )\r
 490 {\r
 491   InputPort* in_port =\r
 492     dynamic_cast< InputPort* >( this->itemAt( evt->scenePos( ) ) );\r
 493   OutputPort* out_port =\r
 494     dynamic_cast< OutputPort* >( this->itemAt( evt->scenePos( ) ) );\r
 495   if( in_port == NULL && out_port == NULL )\r
 496     return;\r
 497 \r
 498   switch( evt->button( ) )\r
 499   {\r
 500   case Qt::LeftButton:\r
 501   {\r
 502     if( out_port != NULL )\r
 503     {\r
 504       if( out_port->block( ) != NULL )\r
 505       {\r
 506         // Start new connection\r
 507         this->m_ActualConnection = new Connection( 0, this->m_Scene );\r
 508         this->m_ActualConnection->setPort1( out_port );\r
 509         this->m_ActualConnection->setPos1( out_port->scenePos( ) );\r
 510         this->m_ActualConnection->setPos2( evt->scenePos( ) );\r
 511         this->m_ActualConnection->updatePosFromPorts( );\r
 512         this->m_ActualConnection->updatePath( );\r
 513 \r
 514       } // fi\r
 515 \r
 516     } // fi\r
 517   }\r
 518   break;\r
 519   default:\r
 520     break;\r
 521 \r
 522   } // hctiws\r
 523 }\r
 524 \r
 525 // -------------------------------------------------------------------------\r
 526 cpPipelineEditor_Editor_Callback_CODE( MouseRelease )\r
 527 {\r
 528   if( this->m_ActualConnection == NULL )\r
 529     return;\r
 530 \r
 531   switch( evt->button( ) )\r
 532   {\r
 533   case Qt::LeftButton:\r
 534   {\r
 535     InputPort* port2 =\r
 536       dynamic_cast< InputPort* >( this->itemAt( evt->scenePos( ) ) );\r
 537     if( port2 != NULL )\r
 538     {\r
 539       OutputPort* port1 =\r
 540         dynamic_cast< OutputPort* >( this->m_ActualConnection->port1( ) );\r
 541       if( port1 != NULL )\r
 542       {\r
 543         if(\r
 544           port1->block( ) != port2->block( ) &&\r
 545           !port2->hasConnection( ) &&\r
 546           !port1->isConnected( port2 ) &&\r
 547           !port2->isExtended( )\r
 548           )\r
 549         {\r
 550           this->m_ActualConnection->setPos2( port2->scenePos( ) );\r
 551           this->m_ActualConnection->setPort2( port2 );\r
 552           this->m_ActualConnection->updatePosFromPorts( );\r
 553           this->m_ActualConnection->updatePath( );\r
 554 \r
 555           this->m_Workspace->Connect(\r
 556             port1->block( )->namePort( ).toStdString( ),\r
 557             port2->block( )->namePort( ).toStdString( ),\r
 558             port1->name( ).toStdString( ),\r
 559             port2->name( ).toStdString( )\r
 560             );\r
 561           this->m_Graph->AddEdge(\r
 562             port1->block( )->namePort( ).toStdString( ),\r
 563             port2->block( )->namePort( ).toStdString( ),\r
 564             this->m_ActualConnection\r
 565             );\r
 566         }\r
 567         else\r
 568           delete this->m_ActualConnection;\r
 569       }\r
 570       else\r
 571         delete this->m_ActualConnection;\r
 572     }\r
 573     else\r
 574       delete this->m_ActualConnection;\r
 575     this->m_ActualConnection = NULL;\r
 576   }\r
 577   break;\r
 578   default:\r
 579     break;\r
 580   } // hctisw\r
 581 }\r
 582 \r
 583 // -------------------------------------------------------------------------\r
 584 cpPipelineEditor_Editor_Callback_CODE( Move )\r
 585 {\r
 586 }\r
 587 \r
 588 // -------------------------------------------------------------------------\r
 589 cpPipelineEditor_Editor_Callback_CODE( Resize )\r
 590 {\r
 591 }\r
 592 \r
 593 // -------------------------------------------------------------------------\r
 594 cpPipelineEditor_Editor_Callback_CODE( Wheel )\r
 595 {\r
 596 }\r
 597 \r
 598 // eof - $RCSfile$\r