src/VTKViewer/VTKViewer_ViewModel.cxx

   1 #include "VTKViewer_ViewModel.h"
   2 #include "VTKViewer_ViewWindow.h"
   3 #include "VTKViewer_ViewManager.h"
   4 #include "VTKViewer_RenderWindowInteractor.h"
   5
   6 #include "SUIT_ViewWindow.h"
   7 #include "SUIT_Desktop.h"
   8 #include "SUIT_Session.h"
   9
  10 #include <qpainter.h>
  11 #include <qapplication.h>
  12 #include <qcolordialog.h>
  13 #include <qpalette.h>
  14 #include <qpopupmenu.h>
  15
  16 /*!Constructor.Sets background color to black.*/
  17 VTKViewer_Viewer::VTKViewer_Viewer()
  18 : SUIT_ViewModel(),
  19 myBgColor( Qt::black )
  20 {
  21 }
  22
  23 /*!Destructor.*/
  24 VTKViewer_Viewer::~VTKViewer_Viewer()
  25 {
  26 }
  27
  28 /*!Gets background color.*/
  29 QColor VTKViewer_Viewer::backgroundColor() const
  30 {
  31   return myBgColor;
  32 }
  33
  34 /*!Sets background color.*/
  35 void VTKViewer_Viewer::setBackgroundColor( const QColor& c )
  36 {
  37   if ( c.isValid() )
  38     myBgColor = c;
  39 }
  40
  41 /*!Create new instance of VTKViewer_ViewWindow, sets background color and return pointer to it.*/
  42 SUIT_ViewWindow* VTKViewer_Viewer::createView( SUIT_Desktop* theDesktop )
  43 {
  44   VTKViewer_ViewWindow* vw = new VTKViewer_ViewWindow( theDesktop, this );
  45   vw->setBackgroundColor( myBgColor );
  46   return vw;
  47 }
  48
  49 /*!Sets view manager and connect slots.*/
  50 void VTKViewer_Viewer::setViewManager(SUIT_ViewManager* theViewManager)
  51 {
  52   SUIT_ViewModel::setViewManager(theViewManager);
  53   connect(theViewManager, SIGNAL(mousePress(SUIT_ViewWindow*, QMouseEvent*)),
  54           this, SLOT(onMousePress(SUIT_ViewWindow*, QMouseEvent*)));
  55
  56   connect(theViewManager, SIGNAL(mouseMove(SUIT_ViewWindow*, QMouseEvent*)),
  57           this, SLOT(onMouseMove(SUIT_ViewWindow*, QMouseEvent*)));
  58
  59   connect(theViewManager, SIGNAL(mouseRelease(SUIT_ViewWindow*, QMouseEvent*)),
  60           this, SLOT(onMouseRelease(SUIT_ViewWindow*, QMouseEvent*)));
  61 }
  62
  63 /*!Insert context into popup menu.*/
  64 void VTKViewer_Viewer::contextMenuPopup(QPopupMenu* thePopup)
  65 {
  66   thePopup->insertItem( tr( "MEN_DUMP_VIEW" ), this, SLOT( onDumpView() ) );
  67   thePopup->insertItem( tr( "MEN_CHANGE_BACKGROUD" ), this, SLOT( onChangeBgColor() ) );
  68
  69   thePopup->insertSeparator();
  70
  71   VTKViewer_ViewWindow* aView = (VTKViewer_ViewWindow*)(myViewManager->getActiveView());
  72   if ( aView && !aView->getToolBar()->isVisible() )
  73     thePopup->insertItem( tr( "MEN_SHOW_TOOLBAR" ), this, SLOT( onShowToolbar() ) );
  74 }
  75
  76 /*!On mouse press event.*/
  77 void VTKViewer_Viewer::onMousePress(SUIT_ViewWindow* vw, QMouseEvent* event)
  78 {
  79   VTKViewer_RenderWindowInteractor* rwi = 0;
  80   if ( vw && vw->inherits( "VTKViewer_ViewWindow" ) )
  81     rwi = ((VTKViewer_ViewWindow*)vw)->getRWInteractor();
  82   if ( !rwi )
  83     return;
  84
  85   switch(event->button()) {
  86   case LeftButton:
  87     rwi->LeftButtonPressed(event) ;
  88     break ;
  89   case MidButton:
  90     rwi->MiddleButtonPressed(event) ;
  91     break ;
  92   case RightButton:
  93     rwi->RightButtonPressed(event) ;
  94     break;
  95   default:
  96     break ;
  97   }
  98 }
  99
 100 /*!On mouse move event.*/
 101 void VTKViewer_Viewer::onMouseMove(SUIT_ViewWindow* vw, QMouseEvent* event)
 102 {
 103   VTKViewer_RenderWindowInteractor* rwi = 0;
 104   if ( vw && vw->inherits( "VTKViewer_ViewWindow" ) )
 105     rwi = ((VTKViewer_ViewWindow*)vw)->getRWInteractor();
 106   if ( rwi )
 107     rwi->MouseMove( event );
 108 }
 109
 110 /*!On mouse release event.*/
 111 void VTKViewer_Viewer::onMouseRelease(SUIT_ViewWindow* vw, QMouseEvent* event)
 112 {
 113   VTKViewer_RenderWindowInteractor* rwi = 0;
 114   if ( vw && vw->inherits( "VTKViewer_ViewWindow" ) )
 115     rwi = ((VTKViewer_ViewWindow*)vw)->getRWInteractor();
 116   if ( !rwi )
 117     return;
 118
 119   switch(event->button()) {
 120   case LeftButton:
 121     rwi->LeftButtonReleased(event) ;
 122     break ;
 123   case MidButton:
 124     rwi->MiddleButtonReleased(event) ;
 125     break ;
 126   case RightButton:
 127     rwi->RightButtonReleased(event) ;
 128     break;
 129   default:
 130     break ;
 131   }
 132 }
 133
 134 /*!Sets flag to enable selection \a isEnable.*/
 135 void VTKViewer_Viewer::enableSelection(bool isEnabled)
 136 {
 137   mySelectionEnabled = isEnabled;
 138   //!! To be done for view windows
 139 }
 140
 141 /*!Sets flag to multi selection enable \a isEnable.*/
 142 void VTKViewer_Viewer::enableMultiselection(bool isEnable)
 143 {
 144   myMultiSelectionEnabled = isEnable;
 145   //!! To be done for view windows
 146 }
 147
 148 /*!On dump view event.*/
 149 void VTKViewer_Viewer::onDumpView()
 150 {
 151   VTKViewer_ViewWindow* aView = (VTKViewer_ViewWindow*)(myViewManager->getActiveView());
 152   if ( aView )
 153     aView->onDumpView();
 154 }
 155
 156 /*!On change back ground color event.*/
 157 void VTKViewer_Viewer::onChangeBgColor()
 158 {
 159   VTKViewer_ViewWindow* aView = (VTKViewer_ViewWindow*)(myViewManager->getActiveView());
 160   if ( !aView )
 161     return;
 162
 163   QColor aColor = QColorDialog::getColor( aView->backgroundColor(), aView);
 164   if ( aColor.isValid() )
 165     aView->setBackgroundColor(aColor);
 166 }
 167
 168 /*!On show tool bar event.*/
 169 void VTKViewer_Viewer::onShowToolbar() {
 170   VTKViewer_ViewWindow* aView = (VTKViewer_ViewWindow*)(myViewManager->getActiveView());
 171   if ( aView )
 172     aView->getToolBar()->show();
 173 }