Merged examiner and base viewer ( needs a lot of cleanup!!)

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@4482 383ad7c9-94d9-4d36-a494-682f7c89f535

BasePlugin/GlobalAccessInterface.hh

@@ -47,7 +47,7 @@
  #include <QtGui>
  #include <QMenuBar>
  #include <OpenFlipper/common/Types.hh>
- #include <OpenFlipper/widgets/glWidget/QtExaminerViewer.hh>
+ #include <OpenFlipper/widgets/glWidget/QtBaseViewer.hh>
 
  /** \brief Interface class for plugins which need access to global Data
   *
@@ -65,7 +65,7 @@ class GlobalAccessInterface {
        *  This function is called to set a pointer to the global examiner Widget.\n
        *  @param _examiner_widget Pointer to the Examiner Widget in the Main app
        */
-      virtual void set_examiner( QtExaminerViewer* /*_examiner_widget*/) = 0;
+      virtual void set_examiner( QtBaseViewer* /*_examiner_widget*/) = 0;
 
 };
 

BasePlugin/PluginFunctions.cc

@@ -54,10 +54,10 @@ static BaseObject* objectRoot_;
  *
  * This pointer is internally used to acces the examiner widget in the main apllication
  */
-static std::vector< QtExaminerViewer* > examiner_widgets_;
+static std::vector< QtBaseViewer* > examiner_widgets_;
 
 /// TODO : Remove this variable and implement multiView correctly here
-static QtExaminerViewer*  examiner_widget_;
+static QtBaseViewer*  examiner_widget_;
 
 static unsigned int activeExaminer_ = 0;
 
@@ -73,7 +73,7 @@ void setDataRoot( BaseObject* _root ) {
    objectRoot_ = _root;
 }
 
-void set_examiner( std::vector< QtExaminerViewer* > _examiner_widgets ) {
+void set_examiner( std::vector< QtBaseViewer* > _examiner_widgets ) {
    PluginFunctions::examiner_widgets_ = _examiner_widgets;
    PluginFunctions::examiner_widget_ =  examiner_widgets_[0];
 }

BasePlugin/PluginFunctions.hh

@@ -50,7 +50,6 @@
 #include <OpenFlipper/common/Types.hh>
 
 // #include <ACG/Math/VectorT.hh>
-#include <OpenFlipper/widgets/glWidget/QtExaminerViewer.hh>
 #include <OpenFlipper/widgets/glWidget/QtBaseViewer.hh>
 #include <ACG/GL/GLState.hh>
 
@@ -194,7 +193,7 @@ int visible_count();
 //=======================================
 /// Set the internal examiner pointer ( DO NOT USE!! )
 DLLEXPORT
-void set_examiner( std::vector< QtExaminerViewer* > _examiner_widgets );
+void set_examiner( std::vector< QtBaseViewer* > _examiner_widgets );
 
 /// Set the active id of the examiner which got the last mouse events
 DLLEXPORT

Core/Core.hh

@@ -52,7 +52,7 @@
 
 #include "OpenFlipper/common/Types.hh"
 
-#include <OpenFlipper/widgets/glWidget/QtExaminerViewer.hh>
+#include <OpenFlipper/widgets/glWidget/QtBaseViewer.hh>
 
 // QT INCLUDES
 #include <qvariant.h>

widgets/coreWidget/CoreWidget.cc

@@ -131,10 +131,10 @@ CoreWidget( QVector<ViewMode*>& _viewModes,
 
   if ( !OpenFlipper::Options::multiView() ) {
 
-    QtExaminerViewer* examinerWidget = new QtExaminerViewer(stackedWidget_,
-                                                            "Examiner Widget",
-                                                            statusBar_ ,
-                                                            &format);
+    QtBaseViewer* examinerWidget = new QtBaseViewer(stackedWidget_,
+                                                    "Examiner Widget",
+                                                    statusBar_ ,
+                                                    &format);
 
     examiner_widgets_.push_back(examinerWidget);
 
@@ -148,7 +148,7 @@ CoreWidget( QVector<ViewMode*>& _viewModes,
     tmp = new QWidget(stackedWidget_);
 
     // Create master examiner widget
-    QtExaminerViewer* examinerWidget = new QtExaminerViewer(tmp,
+    QtBaseViewer* examinerWidget = new QtBaseViewer(tmp,
                                                             "Examiner Widget",
                                                             statusBar_ ,
                                                             &format,
@@ -158,7 +158,7 @@ CoreWidget( QVector<ViewMode*>& _viewModes,
 
     // Create all other examiners using the same gl context as the others
     for ( unsigned int i = 1 ; i < OpenFlipper::Options::examinerWidgets() ; ++i ) {
-      QtExaminerViewer* newWidget = new QtExaminerViewer(tmp,
+      QtBaseViewer* newWidget = new QtBaseViewer(tmp,
                                                          "Examiner Widget",
                                                          statusBar_ ,
                                                          &format,

widgets/coreWidget/CoreWidget.hh

@@ -56,7 +56,7 @@
 #include <OpenFlipper/BasePlugin/StatusbarInterface.hh>
 
 
-#include <OpenFlipper/widgets/glWidget/QtExaminerViewer.hh>
+#include <OpenFlipper/widgets/glWidget/QtBaseViewer.hh>
 
 // QT INCLUDES
 #include <QMainWindow>
@@ -346,7 +346,7 @@ public:
   public :
 
     /// Examiner Widget
-    std::vector< QtExaminerViewer* >  examiner_widgets_;
+    std::vector< QtBaseViewer* >  examiner_widgets_;
 
     ///Spliter between toplevel objects and the textedit at the bottom
     QSplitter* splitter_;

widgets/glWidget/QtBaseViewer.cc

@@ -200,6 +200,16 @@ QtBaseViewer::QtBaseViewer( QWidget* _parent,
 
   redrawTime_.start ();
 
+  // timer for animation
+  timer_ = new QTimer( this );
+  connect( timer_, SIGNAL(timeout()), this, SLOT( slotAnimation()) );
+
+  allowRotation_ = true;
+
+  //default wheel zoom factors
+  wZoomFactor_ = 1.0;
+  wZoomFactorShift_ = 0.2;
+
 }
 
 
@@ -1811,5 +1821,338 @@ void QtBaseViewer::actionPickMenu( QAction * _action )
   hidePopupMenus();
 }
 
+
+//-----------------------------------------------------------------------------
+
+
+void
+QtBaseViewer::viewMouseEvent(QMouseEvent* _event)
+{
+  switch (_event->type())
+  {
+    case QEvent::MouseButtonPress:
+    {
+      // shift key -> set rotation center
+      if (_event->modifiers() & Qt::ShiftModifier)
+      {
+        ACG::Vec3d c;
+        if (fast_pick(_event->pos(), c))
+        {
+          trackball_center_ = c;
+          trackball_radius_ = std::max(scene_radius_, (c-glState().eye()).norm()*0.9f);
+        }
+      }
+
+      lastPoint_hitSphere_ = mapToSphere( lastPoint2D_=_event->pos(),
+                 lastPoint3D_ );
+      isRotating_ = true;
+      timer_->stop();
+
+
+      break;
+    }
+
+
+    case QEvent::MouseButtonDblClick:
+    {
+      if (allowRotation_)
+        flyTo(_event->pos(), _event->button()==Qt::MidButton);
+      break;
+    }
+
+
+    case QEvent::MouseMove:
+    {
+      double factor  = 1.0;
+
+      if (_event->modifiers() == Qt::ShiftModifier)
+        factor = wZoomFactorShift_;
+
+      // mouse button should be pressed
+      if (_event->buttons() & (Qt::LeftButton | Qt::MidButton))
+      {
+        QPoint newPoint2D = _event->pos();
+
+        if ( (newPoint2D.x()<0) || (newPoint2D.x() > (int)glWidth()) ||
+             (newPoint2D.y()<0) || (newPoint2D.y() > (int)glHeight()) )
+          return;
+
+        double value_x, value_y;
+        ACG::Vec3d  newPoint3D;
+        bool   newPoint_hitSphere = mapToSphere( newPoint2D, newPoint3D );
+
+        makeCurrent();
+
+        // move in z direction
+        if ( (_event->buttons() & Qt::LeftButton) &&
+              (_event->buttons() & Qt::MidButton))
+        {
+          switch (projectionMode())
+          {
+            case PERSPECTIVE_PROJECTION:
+            {
+              value_y = scene_radius_ * ((newPoint2D.y() - lastPoint2D_.y())) * 3.0 / (double) glHeight();
+              translate( ACG::Vec3d(0.0, 0.0, value_y * factor ) );
+              updateGL();
+              break;
+            }
+
+            case ORTHOGRAPHIC_PROJECTION:
+            {
+              value_y = ((newPoint2D.y() - lastPoint2D_.y())) * orthoWidth_ / (double) glHeight();
+              orthoWidth_ -= value_y  * factor;
+              updateProjectionMatrix();
+              updateGL();
+              break;
+            }
+          }
+        }
+
+        // move in x,y direction
+        else if (_event->buttons() & Qt::MidButton)
+        {
+          value_x = scene_radius_ * ((newPoint2D.x() - lastPoint2D_.x())) * 2.0 / (double) glWidth();
+          value_y = scene_radius_ * ((newPoint2D.y() - lastPoint2D_.y())) * 2.0 / (double) glHeight();
+          translate( ACG::Vec3d(value_x  * factor , -value_y  * factor , 0.0) );
+        }
+
+        // rotate
+        else if (allowRotation_ && (_event->buttons() & Qt::LeftButton) )
+        {
+          ACG::Vec3d axis(1.0,0.0,0.0);
+          double angle(0.0);
+
+          if ( lastPoint_hitSphere_ ) {
+
+            if ( ( newPoint_hitSphere = mapToSphere( newPoint2D,
+                                newPoint3D ) ) ) {
+              axis = lastPoint3D_ % newPoint3D;
+              double cos_angle = ( lastPoint3D_ | newPoint3D );
+              if ( fabs(cos_angle) < 1.0 ) {
+                angle = acos( cos_angle ) * 180.0 / M_PI  * factor ;
+                angle *= 2.0; // inventor rotation
+              }
+            }
+
+            rotate(axis, angle);
+
+          }
+
+          lastRotationAxis_  = axis;
+          lastRotationAngle_ = angle;
+        }
+
+        lastPoint2D_ = newPoint2D;
+        lastPoint3D_ = newPoint3D;
+        lastPoint_hitSphere_ = newPoint_hitSphere;
+
+        updateGL();
+        lastMoveTime_.restart();
+      }
+      break;
+    }
+
+
+
+    case QEvent::MouseButtonRelease:
+    {
+      lastPoint_hitSphere_ = false;
+
+      // continue rotation ?
+      if ( isRotating_ &&
+      (_event->button() == Qt::LeftButton) &&
+      (!(_event->buttons() & Qt::MidButton)) &&
+      (lastMoveTime_.elapsed() < 10) &&
+      animation() )
+        timer_->start(0);
+      break;
+    }
+
+    default: // avoid warning
+      break;
+  }
+
+
+  // sync views
+  emit(signalSetView(glstate_->modelview(), glstate_->inverse_modelview()));
+}
+
+
+//-----------------------------------------------------------------------------
+
+
+void
+QtBaseViewer::lightMouseEvent(QMouseEvent* _event)
+{
+  switch (_event->type())
+  {
+    case QEvent::MouseButtonPress:
+    {
+      lastPoint_hitSphere_ = mapToSphere( lastPoint2D_=_event->pos(),
+                 lastPoint3D_ );
+      isRotating_ = true;
+      timer_->stop();
+      break;
+    }
+
+
+    case QEvent::MouseMove:
+    {
+      // rotate lights
+      if (_event->buttons() & Qt::LeftButton)
+      {
+   QPoint newPoint2D = _event->pos();
+
+   if ( (newPoint2D.x()<0) || (newPoint2D.x() > (int)glWidth()) ||
+        (newPoint2D.y()<0) || (newPoint2D.y() > (int)glHeight()) )
+     return;
+
+
+   ACG::Vec3d  newPoint3D;
+   bool   newPoint_hitSphere = mapToSphere( newPoint2D, newPoint3D );
+
+   makeCurrent();
+
+   ACG::Vec3d axis(1.0,0.0,0.0);
+   double angle(0.0);
+
+   if ( lastPoint_hitSphere_ )
+   {
+     if ( ( newPoint_hitSphere = mapToSphere( newPoint2D, newPoint3D ) ) )
+     {
+       axis = lastPoint3D_ % newPoint3D;
+       double cos_angle = ( lastPoint3D_ | newPoint3D );
+       if ( fabs(cos_angle) < 1.0 ) {
+         angle = acos( cos_angle ) * 180.0 / M_PI;
+         angle *= 2.0;
+       }
+     }
+     rotate_lights(axis, angle);
+   }
+
+   lastPoint2D_ = newPoint2D;
+   lastPoint3D_ = newPoint3D;
+   lastPoint_hitSphere_ = newPoint_hitSphere;
+
+   updateGL();
+      }
+      break;
+    }
+
+
+    default: // avoid warning
+      break;
+  }
+}
+
+//-----------------------------------------------------------------------------
+
+double QtBaseViewer::wheelZoomFactor(){
+  return wZoomFactor_;
+}
+
+//-----------------------------------------------------------------------------
+
+double QtBaseViewer::wheelZoomFactorShift(){
+  return wZoomFactorShift_;
+}
+
+//-----------------------------------------------------------------------------
+
+void QtBaseViewer::setWheelZoomFactor(double _factor){
+  wZoomFactor_ = _factor;
+}
+
+//-----------------------------------------------------------------------------
+
+void QtBaseViewer::setWheelZoomFactorShift(double _factor){
+  wZoomFactorShift_ = _factor;
+}
+
+//-----------------------------------------------------------------------------
+
+void QtBaseViewer::viewWheelEvent( QWheelEvent* _event)
+{
+  double factor = wZoomFactor_;
+
+  if (_event->modifiers() == Qt::ShiftModifier)
+    factor = wZoomFactorShift_;
+
+  switch (projectionMode())
+  {
+    case PERSPECTIVE_PROJECTION:
+    {
+      double d = -(double)_event->delta() / 120.0 * 0.2 * factor * trackball_radius_/3;
+      translate( ACG::Vec3d(0.0, 0.0, d) );
+      updateGL();
+      break;
+    }
+
+    case ORTHOGRAPHIC_PROJECTION:
+    {
+      double d = (double)_event->delta() / 120.0 * 0.2 * factor * orthoWidth_;
+      orthoWidth_ += d;
+      updateProjectionMatrix();
+      updateGL();
+      break;
+    }
+  }
+
+
+  // sync views
+  emit(signalSetView(glstate_->modelview(), glstate_->inverse_modelview()));
+}
+
+
+//-----------------------------------------------------------------------------
+
+
+bool QtBaseViewer::mapToSphere(const QPoint& _v2D, ACG::Vec3d& _v3D) const
+{
+  if ( (_v2D.x() >= 0) && (_v2D.x() < (int)glWidth()) &&
+       (_v2D.y() >= 0) && (_v2D.y() < (int)glHeight()) )
+  {
+    double x   = (double)(_v2D.x() - ((double)glWidth() / 2.0))  / (double)glWidth();
+    double y   = (double)(((double)glHeight() / 2.0) - _v2D.y()) / (double)glHeight();
+    double sinx         = sin(M_PI * x * 0.5);
+    double siny         = sin(M_PI * y * 0.5);
+    double sinx2siny2   = sinx * sinx + siny * siny;
+
+    _v3D[0] = sinx;
+    _v3D[1] = siny;
+    _v3D[2] = sinx2siny2 < 1.0 ? sqrt(1.0 - sinx2siny2) : 0.0;
+
+    return true;
+  }
+  else return false;
+}
+
+
+//-----------------------------------------------------------------------------
+
+
+void QtBaseViewer::slotAnimation()
+{
+  static int msecs=0, count=0;
+  QTime t;
+  t.start();
+  makeCurrent();
+  rotate( lastRotationAxis_, lastRotationAngle_ );
+  updateGL();
+
+  if (!isUpdateLocked()) {
+    msecs += t.elapsed();
+    if (count==10) {
+      assert(statusbar_!=0);
+      char s[100];
+      sprintf( s, "%.3f fps", (10000.0 / (float)msecs) );
+      statusbar_->showMessage(s,2000);
+      count = msecs = 0;
+    }
+    else
+      ++count;
+  }
+}
+
 //=============================================================================
 //=============================================================================

widgets/glWidget/QtBaseViewer.hh

@@ -564,12 +564,12 @@ protected:
 
 
   /// specialized viewer: hande mouse events
-  virtual void viewMouseEvent( QMouseEvent* _event) = 0;
+  void viewMouseEvent( QMouseEvent* _event);
   /// specialized viewer: handle wheel events
-  virtual void viewWheelEvent(QWheelEvent* _event) = 0;
+  void viewWheelEvent(QWheelEvent* _event);
 
   /// optional: hande mouse events to rotate light
-  virtual void lightMouseEvent( QMouseEvent* /* _event */ ) {}
+  void lightMouseEvent( QMouseEvent* /* _event */ );
 
 
   protected:
@@ -811,7 +811,7 @@ private:
      *
      * @return If the derived class handled the event it has to return true otherwise false
      */
-    virtual bool viewKeyPressEvent(QKeyEvent* _event) = 0;
+    virtual bool viewKeyPressEvent(QKeyEvent* /*_event*/) { return false; };
 
   /** @} */
 
@@ -1023,6 +1023,64 @@ private:
     ACG::SceneGraph::PickTarget pickRendererMode_;
 
   /** @} */
+
+
+
+
+
+
+
+
+  //===========================================================================
+  /** @name Merge from examiner
+   * @{ */
+  //===========================================================================
+
+  public:
+
+  /// Lock scene rotation
+  void allowRotation( bool _mode ) { allowRotation_ = _mode; };
+
+
+  /// Factors for zooming with the wheel
+  public:
+    double wheelZoomFactor();
+    double wheelZoomFactorShift();
+    void setWheelZoomFactor(double _factor);
+    void setWheelZoomFactorShift(double _factor);
+  private:
+    double wZoomFactor_;
+    double wZoomFactorShift_;
+
+
+  private slots:
+
+    void slotAnimation();
+
+  protected:
+
+    // mouse interaction
+    QPoint   lastPoint2D_;
+
+  private:
+
+    /// virtual trackball: map 2D screen point to unit sphere
+    bool mapToSphere(const QPoint& _p, ACG::Vec3d& _result) const;
+
+
+    // mouse interaction
+    ACG::Vec3d    lastPoint3D_;
+    bool          lastPoint_hitSphere_;
+    bool          allowRotation_;
+
+
+    // animation stuff
+    ACG::Vec3d                   lastRotationAxis_;
+    double                       lastRotationAngle_;
+    QTime                        lastMoveTime_;
+    QTimer*                      timer_;
+
+    /** @} */
 };
 
 

widgets/glWidget/QtExaminerViewer.hh

-//=============================================================================
-//
-//                               OpenFlipper
-//        Copyright (C) 2008 by Computer Graphics Group, RWTH Aachen
-//                           www.openflipper.org
-//
-//-----------------------------------------------------------------------------
-//
-//                                License
-//
-//  OpenFlipper is free software: you can redistribute it and/or modify
-//  it under the terms of the GNU Lesser General Public License as published by
-//  the Free Software Foundation, either version 3 of the License, or
-//  (at your option) any later version.
-//
-//  OpenFlipper is distributed in the hope that it will be useful,
-//  but WITHOUT ANY WARRANTY; without even the implied warranty of
-//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-//  GNU Lesser General Public License for more details.
-//
-//  You should have received a copy of the GNU Lesser General Public License
-//  along with OpenFlipper.  If not, see <http://www.gnu.org/licenses/>.
-//
-//-----------------------------------------------------------------------------
-//
-//   $Revision: 3468 $
-//   $Author: moebius $
-//   $Date: 2008-10-17 14:58:52 +0200 (Fr, 17. Okt 2008) $
-//
-//=============================================================================
-
-
-
-
-//=============================================================================
-//
-//  CLASS QtExaminerViewer
-//
-//=============================================================================
-
-#ifndef ACG_QTEXAMINERVIEWER_HH
-#define ACG_QTEXAMINERVIEWER_HH
-
-
-//== INCLUDES =================================================================
-
-
-#include "QtBaseViewer.hh"
-
-#include <QTime>
-#include <QMouseEvent>
-#include <QWheelEvent>
-#include <QKeyEvent>
-
-
-//== NAMESPACES ===============================================================
-
-
-//== FORWARDDECLARATIONS ======================================================
-
-
-class QWheel;
-class QtQGLWidget_Internal;
-class QtSceneGraphWidget;
-
-
-//== CLASS DEFINITION =========================================================
-
-
-/** \class QtExaminerViewer QtExaminerViewer.hh <OpenFlipper/widgets/glWidget/QtExaminerViewer.hh>
-
-    Widgets used to display and examine scenegraphs.
-    This widget is used in all viewers that want to explore scenegraphs.
-    For WalkMode use "QtWalkViewer"
- **/
-class DLLEXPORT QtExaminerViewer : public QtBaseViewer