+ share GL widgets when creating further 3d views of a document

src/Gui/Application.cpp

@@ -641,7 +641,7 @@ void Application::slotNewDocument(const App::Document& Doc)
 
 
     signalNewDocument(*pDoc);
-    pDoc->createView("View3DIv");
+    pDoc->createView(View3DInventor::getClassTypeId());
     qApp->processEvents(); // make sure to show the window stuff on the right place
 }
 

src/Gui/CommandView.cpp

@@ -1576,7 +1576,7 @@ StdCmdViewCreate::StdCmdViewCreate()
 
 void StdCmdViewCreate::activated(int iMsg)
 {
-    getActiveGuiDocument()->createView("View3DIv");
+    getActiveGuiDocument()->createView(View3DInventor::getClassTypeId());
     getActiveGuiDocument()->getActiveView()->viewAll();
 }
 

src/Gui/Document.cpp

@@ -27,6 +27,7 @@
 # include <qapplication.h>
 # include <qdir.h>
 # include <qfileinfo.h>
+# include <QGLWidget>
 # include <qmessagebox.h>
 # include <qstatusbar.h>
 # include <boost/signals.hpp>
@@ -920,21 +921,24 @@ void Document::addRootObjectsToGroup(const std::vector<App::DocumentObject*>& ob
     }
 }
 
-void Document::createView(const char* sType) 
+void Document::createView(const Base::Type& typeId)
 {
-    View3DInventor* view3D = new View3DInventor(this, getMainWindow());
+    if (!typeId.isDerivedFrom(MDIView::getClassTypeId()))
+        return;
 
-    //get first view override mode and copy
-    std::list<MDIView*> theViews = this->getMDIViews();
-    std::list<MDIView*>::iterator viewIt;
-    for (viewIt = theViews.begin(); viewIt != theViews.end(); ++viewIt)
-    {
-        View3DInventor *tempView = dynamic_cast<View3DInventor *>(*viewIt);
-        if (!tempView)
-            continue;
-        std::string overrideMode = tempView->getViewer()->getOverrideMode();
+    std::list<MDIView*> theViews = this->getMDIViewsOfType(typeId);
+    if (typeId == View3DInventor::getClassTypeId()) {
+        View3DInventor* firstView = 0;
+        QGLWidget* shareWidget = 0;
+        if (!theViews.empty()) {
+            firstView = dynamic_cast<View3DInventor*>(theViews.front());
+            shareWidget = qobject_cast<QGLWidget*>(firstView->getViewer()->getGLWidget());
+        }
+
+        View3DInventor* view3D = new View3DInventor(this, getMainWindow(), shareWidget);
+        if (firstView) {
+            std::string overrideMode = firstView->getViewer()->getOverrideMode();
             view3D->getViewer()->setOverrideMode(overrideMode);
-        break;
         }
 
         // attach the viewprovider
@@ -946,7 +950,6 @@ void Document::createView(const char* sType)
             view3D->getViewer()->addViewProvider(It2->second);
 
         const char* name = getDocument()->Label.getValue();
-
         QString title = QString::fromAscii("%1 : %2[*]")
             .arg(QString::fromUtf8(name)).arg(d->_iWinCount++);
 
@@ -956,6 +959,7 @@ void Document::createView(const char* sType)
         view3D->resize(400, 300);
         getMainWindow()->addWindow(view3D);
     }
+}
 
 void Document::attachView(Gui::BaseView* pcView, bool bPassiv)
 {

src/Gui/Document.h

@@ -142,7 +142,7 @@ public:
     Gui::MDIView* getActiveView(void) const;
     Gui::MDIView* getViewOfViewProvider(Gui::ViewProvider*) const;
     /// Creat a new view
-    void createView(const char* sType); 
+    void createView(const Base::Type& typeId);
     /** send messages to the active view 
      * Send a specific massage to the active view and is able to recive a
      * return massage

src/Gui/View3DInventor.cpp

@@ -98,7 +98,8 @@ void GLOverlayWidget::paintEvent(QPaintEvent* ev)
 
 TYPESYSTEM_SOURCE_ABSTRACT(Gui::View3DInventor,Gui::MDIView);
 
-View3DInventor::View3DInventor(Gui::Document* pcDocument, QWidget* parent, Qt::WFlags wflags)
+View3DInventor::View3DInventor(Gui::Document* pcDocument, QWidget* parent,
+                               const QGLWidget* sharewidget, Qt::WFlags wflags)
     : MDIView(pcDocument, parent, wflags), _viewerPy(0)
 {
     stack = new QStackedWidget(this);
@@ -111,34 +112,42 @@ View3DInventor::View3DInventor(Gui::Document* pcDocument, QWidget* parent, Qt::W
     hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/View");
     hGrp->Attach(this);
 
-    //anti aliasing settings
+    //anti-aliasing settings
     QGLFormat f;
+    bool smoothing = false;
+    bool glformat = false;
     switch( hGrp->GetInt("AntiAliasing",0) ) {
       case View3DInventorViewer::MSAA2x:
+          glformat = true;
           f.setSampleBuffers(true);
           f.setSamples(2);
-          _viewer = new View3DInventorViewer(f,this);
           break;
       case View3DInventorViewer::MSAA4x:
+          glformat = true;
           f.setSampleBuffers(true);
           f.setSamples(4);
-          _viewer = new View3DInventorViewer(f,this);
           break;
       case View3DInventorViewer::MSAA8x:
+          glformat = true;
           f.setSampleBuffers(true);
           f.setSamples(8);
-          _viewer = new View3DInventorViewer(f,this);
           break;
       case View3DInventorViewer::Smoothing:
-          _viewer = new View3DInventorViewer(this);
-          _viewer->getSoRenderManager()->getGLRenderAction()->setSmoothing(true);
+          smoothing = true;
           break;
       case View3DInventorViewer::None:
       default:
-          _viewer = new View3DInventorViewer(this);
           break;
     }
 
+    if (glformat)
+        _viewer = new View3DInventorViewer(f, this, sharewidget);
+    else
+        _viewer = new View3DInventorViewer(this, sharewidget);
+
+    if (smoothing)
+        _viewer->getSoRenderManager()->getGLRenderAction()->setSmoothing(true);
+
     // create the inventor widget and set the defaults
 #if !defined (NO_USE_QT_MDI_AREA)
     _viewer->setDocument(this->_pcDocument);

src/Gui/View3DInventor.h

@@ -67,7 +67,7 @@ class GuiExport View3DInventor : public MDIView, public ParameterGrp::ObserverTy
     TYPESYSTEM_HEADER();
 
 public:
-    View3DInventor(Gui::Document* pcDocument, QWidget* parent, Qt::WFlags wflags=0);
+    View3DInventor(Gui::Document* pcDocument, QWidget* parent, const QGLWidget* sharewidget = 0, Qt::WFlags wflags=0);
     ~View3DInventor();
 
     /// Message handler

src/Gui/View3DInventorViewer.cpp

@@ -297,16 +297,16 @@ public:
 
 
 // *************************************************************************
-View3DInventorViewer::View3DInventorViewer(QWidget* parent)
-    : Quarter::SoQTQuarterAdaptor(parent), editViewProvider(0), navigation(0),
+View3DInventorViewer::View3DInventorViewer(QWidget* parent, const QGLWidget* sharewidget)
+    : Quarter::SoQTQuarterAdaptor(parent, sharewidget), editViewProvider(0), navigation(0),
       framebuffer(0), axisCross(0), axisGroup(0), editing(FALSE), redirected(FALSE),
       allowredir(FALSE), overrideMode("As Is")
 {
     init();
 };
 
-View3DInventorViewer::View3DInventorViewer(const QGLFormat& format, QWidget* parent)
-    : Quarter::SoQTQuarterAdaptor(format, parent), editViewProvider(0), navigation(0),
+View3DInventorViewer::View3DInventorViewer(const QGLFormat& format, QWidget* parent, const QGLWidget* sharewidget)
+    : Quarter::SoQTQuarterAdaptor(format, parent, sharewidget), editViewProvider(0), navigation(0),
       framebuffer(0), axisCross(0), axisGroup(0), editing(FALSE), redirected(FALSE),
       allowredir(FALSE), overrideMode("As Is")
 {

src/Gui/View3DInventorViewer.h

@@ -120,8 +120,8 @@ public:
     };
     //@}
 
-    View3DInventorViewer (QWidget *parent);
-    View3DInventorViewer (const QGLFormat& format, QWidget *parent);
+    View3DInventorViewer (QWidget *parent, const QGLWidget* sharewidget = 0);
+    View3DInventorViewer (const QGLFormat& format, QWidget *parent, const QGLWidget* sharewidget = 0);
     virtual ~View3DInventorViewer();
     
     void init();