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