+ // create view frame
+ XGUI_ViewWindow* view = new XGUI_ViewWindow(this, theType);
+ // get main view window (created by view frame)
+ //OCCViewer_ViewWindow* vw = view->getView(OCCViewer_ViewFrame::MAIN_VIEW);
+ // initialize main view window
+ //initView( vw );
+ // set default background for view window
+ //vw->setBackground( background(0) ); // 0 means MAIN_VIEW (other views are not yet created here)
+ //// connect signal from viewport
+ //connect(view->viewPort(), SIGNAL(vpClosed()), this, SLOT(onViewClosed()));
+ //connect(view->viewPort(), SIGNAL(vpMapped()), this, SLOT(onViewMapped()));
+ if (myViews.size() == 0)
+ setTrihedronShown(true);
+
+ view->setBackground(XGUI_ViewBackground(XGUI::VerticalGradient, Qt::white, QColor(Qt::blue).lighter()));
+ //view->setBackground(XGUI_ViewBackground(Qt::black));
+
+ QMdiArea* aMDI = myMainWindow->mdiArea();
+ QMdiSubWindow* aWnd = aMDI->addSubWindow(view, Qt::FramelessWindowHint);
+ addView(aWnd);
+ aWnd->setGeometry(0, 0, aMDI->width() / 2, aMDI->height() / 2);
+ aWnd->show();
+ return aWnd;
+}
+
+XGUI_ViewWindow* XGUI_Viewer::activeViewWindow() const
+{
+ return dynamic_cast<XGUI_ViewWindow*>(myActiveView->widget());
+}
+
+void XGUI_Viewer::getSelectedObjects(AIS_ListOfInteractive& theList)
+{
+ theList.Clear();
+ for (myAISContext->InitSelected(); myAISContext->MoreSelected(); myAISContext->NextSelected())
+ theList.Append(myAISContext->SelectedInteractive());
+}
+
+void XGUI_Viewer::getSelectedShapes(NCollection_List<TopoDS_Shape>& theList)
+{
+ Handle(AIS_InteractiveContext) ic = AISContext();
+
+ for (ic->InitSelected(); ic->MoreSelected(); ic->NextSelected()) {
+ TopoDS_Shape aShape = ic->SelectedShape();
+ if (!aShape.IsNull())
+ theList.Append(aShape);
+ }
+}
+
+void XGUI_Viewer::setObjectsSelected(const AIS_ListOfInteractive& theList)
+{
+ AIS_ListIteratorOfListOfInteractive aIt;
+ for (aIt.Initialize(theList); aIt.More(); aIt.Next())
+ myAISContext->AddOrRemoveSelected(aIt.Value(), false);
+ myAISContext->UpdateCurrentViewer();
+}
+
+/*! Sets hot button
+ *\param theOper - hot operation
+ *\param theState - adding state to state map operations.
+ *\param theButton - adding state to button map operations.
+ */
+void XGUI_Viewer::setHotButton(XGUI::InteractionStyle theInteractionStyle,
+ XGUI::HotOperation theOper, Qt::KeyboardModifiers theState,
+ Qt::MouseButtons theButton)
+{
+ myStateMap[theInteractionStyle][theOper] = theState;
+ myButtonMap[theInteractionStyle][theOper] = theButton;
+}
+
+/*! Gets hot button for operation \a theOper.
+ *\param theOper - input hot operation
+ *\param theState - output state from state map operations.
+ *\param theButton - output state from button map operations.
+ */
+void XGUI_Viewer::getHotButton(XGUI::InteractionStyle theInteractionStyle,
+ XGUI::HotOperation theOper, Qt::KeyboardModifiers& theState,
+ Qt::MouseButtons& theButton)
+{
+ theState = myStateMap[theInteractionStyle][theOper];
+ theButton = myButtonMap[theInteractionStyle][theOper];
+}
+
+void XGUI_Viewer::setViewProjection(double theX, double theY, double theZ)
+{
+ XGUI_ViewWindow* aWindow = dynamic_cast<XGUI_ViewWindow*>(myActiveView->widget());
+ if (aWindow) {
+ Handle(V3d_View) aView3d = aWindow->viewPort()->getView();
+ if ( !aView3d.IsNull() )
+ aView3d->SetProj(theX, theY, theZ);
+ aWindow->viewPort()->fitAll();
+ }
+}
+
+/*!
+ Changes visibility of trihedron to opposite
+ */
+void XGUI_Viewer::toggleTrihedron()
+{
+ setTrihedronShown(!isTrihedronVisible());
+}
+
+/*!
+ \return true if trihedron is visible
+ */
+bool XGUI_Viewer::isTrihedronVisible() const
+{
+ return !myTrihedron.IsNull() && !myAISContext.IsNull() && myAISContext->IsDisplayed(myTrihedron);
+}
+
+/*!
+ Sets visibility state of trihedron
+ \param on - new state
+ */
+
+void XGUI_Viewer::setTrihedronShown(bool on)
+{
+ if (myTrihedron.IsNull())
+ return;
+
+ if (on) {
+ myAISContext->Display(myTrihedron);
+ myAISContext->Deactivate(myTrihedron);
+ } else {
+ myAISContext->Erase(myTrihedron);
+ }
+}
+
+/*!
+ \return trihedron size
+ */
+double XGUI_Viewer::trihedronSize() const
+{
+ double sz = 0;
+ if (!myTrihedron.IsNull())
+ sz = myTrihedron->Size();
+ return sz;
+}
+
+/*!
+ Changes trihedron size
+ \param sz - new size
+ */
+void XGUI_Viewer::setTrihedronSize(const double sz, bool isRelative)
+{
+ if (myTrihedronSize != sz || isRelative != myIsRelative) {
+ myTrihedronSize = sz;
+ myIsRelative = isRelative;
+ updateTrihedron();
+ }
+}
+
+/*!
+ * Update the size of the trihedron
+ */
+void XGUI_Viewer::updateTrihedron()
+{
+ if (myTrihedron.IsNull())
+ return;
+
+ if (myIsRelative) {
+ double newSz, oldSz;
+
+ if (computeTrihedronSize(newSz, oldSz))
+ myTrihedron->SetSize(newSz);
+
+ } else if (myTrihedron->Size() != myTrihedronSize) {
+ myTrihedron->SetSize(myTrihedronSize);
+ }
+}
+
+/*!
+ Get new and current trihedron size corresponding to the current model size
+ */
+bool XGUI_Viewer::computeTrihedronSize(double& theNewSize, double& theSize)
+{
+ theNewSize = 100;
+ theSize = 100;
+
+ //SRN: BUG IPAL8996, a usage of method ActiveView without an initialization
+ Handle(V3d_Viewer) viewer = v3dViewer();
+ viewer->InitActiveViews();
+ if (!viewer->MoreActiveViews())
+ return false;
+
+ Handle(V3d_View) view3d = viewer->ActiveView();
+ //SRN: END of fix
+
+ if (view3d.IsNull())
+ return false;
+
+ double Xmin = 0, Ymin = 0, Zmin = 0, Xmax = 0, Ymax = 0, Zmax = 0;
+ double aMaxSide;
+
+ view3d->View()->MinMaxValues(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
+
+ if (Xmin == RealFirst() || Ymin == RealFirst() || Zmin == RealFirst() || Xmax == RealLast()
+ || Ymax == RealLast() || Zmax == RealLast())
+ return false;
+
+ aMaxSide = Xmax - Xmin;
+ if (aMaxSide < Ymax - Ymin)
+ aMaxSide = Ymax - Ymin;
+ if (aMaxSide < Zmax - Zmin)
+ aMaxSide = Zmax - Zmin;
+
+ // IPAL21687
+ // The boundary box of the view may be initialized but nullified
+ // (case of infinite objects)
+ if (aMaxSide < Precision::Confusion())
+ return false;
+
+ static float EPS = (float)5.0E-3;
+ theSize = trihedron()->Size();
+ //theNewSize = aMaxSide*aSizeInPercents / 100.0;
+
+ return fabs(theNewSize - theSize) > theSize * EPS || fabs(theNewSize - theSize) > theNewSize * EPS;
+}
+
+void XGUI_Viewer::onViewClosed(QMdiSubWindow* theView)
+{
+ if ( !theView )
+ return;
+
+ emit deleteView( static_cast<XGUI_ViewWindow*>(theView->widget()) );
+ removeView( theView );
+
+ // if this is last view
+ if (myViews.size() == 0) {
+ Standard_Integer aViewsNb = 0;
+ for ( myV3dViewer->InitActiveViews(); myV3dViewer->MoreActiveViews(); myV3dViewer->NextActiveViews())
+ ++aViewsNb;
+ if ( aViewsNb < 2 ) {
+ //clean up presentations before last view is closed
+ myAISContext->RemoveAll(Standard_False);
+ }
+ }
+}
+
+/*!Remove view window \a theView from view manager.
+ *And close the last view, if it has \a theView.
+*/
+void XGUI_Viewer::removeView( QMdiSubWindow* theView )
+{
+ XGUI_ViewWindow* aWindow = static_cast<XGUI_ViewWindow*>(theView->widget());
+
+ aWindow->disconnect( this );
+ myViews.removeAt( myViews.indexOf( theView ) );
+ if ( myActiveView == theView )
+ myActiveView = 0;
+ if ( myViews.size() == 0 )
+ emit lastViewClosed();
+}
+
+
+/*void XGUI_Viewer::onViewMapped()
+{
+ setTrihedronShown(true);
+}*/
+
+
+void XGUI_Viewer::addView(QMdiSubWindow* theView)
+{
+ XGUI_ViewWindow* aWindow = dynamic_cast<XGUI_ViewWindow*>(theView->widget());
+
+ connect(aWindow, SIGNAL(closed(QMdiSubWindow*)),
+ this, SLOT(onViewClosed(QMdiSubWindow*)));
+
+ connect(aWindow, SIGNAL(tryClosing(XGUI_ViewWindow*)),
+ this, SIGNAL(tryCloseView(XGUI_ViewWindow*)));
+
+ connect(aWindow, SIGNAL(mousePressed(XGUI_ViewWindow*, QMouseEvent*)),
+ this, SLOT(onMousePressed(XGUI_ViewWindow*, QMouseEvent*)));
+
+ connect(aWindow, SIGNAL(mouseReleased(XGUI_ViewWindow*, QMouseEvent*)),
+ this, SIGNAL(mouseRelease(XGUI_ViewWindow*, QMouseEvent*)));
+
+ connect(aWindow, SIGNAL(mouseDoubleClicked(XGUI_ViewWindow*, QMouseEvent*)),
+ this, SIGNAL(mouseDoubleClick(XGUI_ViewWindow*, QMouseEvent*)));
+
+ connect(aWindow, SIGNAL(mouseMoving(XGUI_ViewWindow*, QMouseEvent*)),
+ this, SIGNAL(mouseMove(XGUI_ViewWindow*, QMouseEvent*)));
+
+ connect(aWindow, SIGNAL(keyPressed(XGUI_ViewWindow*, QKeyEvent*)),
+ this, SIGNAL(keyPress(XGUI_ViewWindow*, QKeyEvent*)));
+
+ connect(aWindow, SIGNAL(keyReleased(XGUI_ViewWindow*, QKeyEvent*)),
+ this, SIGNAL(keyRelease(XGUI_ViewWindow*, QKeyEvent*)));
+
+// connect(aWindow, SIGNAL(contextMenuRequested( QContextMenuEvent* )),
+// this, SLOT (onContextMenuRequested( QContextMenuEvent* )));
+
+ connect(aWindow, SIGNAL(mouseMoving(XGUI_ViewWindow*, QMouseEvent*)),
+ this, SLOT(onMouseMove(XGUI_ViewWindow*, QMouseEvent*)));
+
+ connect(aWindow, SIGNAL(mouseReleased(XGUI_ViewWindow*, QMouseEvent*)),
+ this, SLOT(onMouseReleased(XGUI_ViewWindow*, QMouseEvent*)));
+
+ myViews.append(theView);
+}
+
+/*!
+ Emit activated for view \a view.
+*/
+void XGUI_Viewer::onWindowActivated(QMdiSubWindow* view)
+{
+ if (view && (view != myActiveView) && (!view->isMinimized())) {
+ myActiveView = view;
+ ((XGUI_ViewWindow*)myActiveView->widget())->windowActivated();
+ QList<QMdiSubWindow*>::iterator aIt;
+ for (aIt = myViews.begin(); aIt != myViews.end(); ++aIt) {
+ if ((*aIt) != myActiveView) {
+ ((XGUI_ViewWindow*)(*aIt)->widget())->windowDeactivated();
+ }
+ }
+ }
+}
+
+
+void XGUI_Viewer::onWindowMinimized(QMdiSubWindow* theWnd)
+{
+ if (myActiveView == theWnd) {
+ myActiveView = 0;
+ QList<QMdiSubWindow*>::iterator aIt;
+ for (aIt = myViews.begin(); aIt != myViews.end(); ++aIt) {
+ if (!(*aIt)->widget()->isMinimized()) {
+ (*aIt)->raise();
+ onWindowActivated(*aIt);
+ break;
+ }
+ }
+ }
+}
+
+/*!
+ SLOT: called on mouse move, processes hilighting
+*/
+void XGUI_Viewer::onMouseMove(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent)
+{
+ XGUI_ViewPort* aViewPort = theWindow->viewPort();
+ Handle(V3d_View) aView3d = aViewPort->getView();
+
+ if ( !aView3d.IsNull() ) {
+ myAISContext->MoveTo(theEvent->x(), theEvent->y(), aView3d);
+ mouseMoved(theEvent->pos());
+ }
+}
+
+/*!
+ SLOT: called on mouse button release, finishes selection
+*/
+void XGUI_Viewer::onMouseReleased(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent)
+{
+ myAISContext->Select();
+
+ emit mouseReleased(theEvent->pos());
+}