source: trunk/geant4/visualization/OpenGL/src/G4OpenGLImmediateQtViewer.cc@ 561

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//
// $Id: G4OpenGLImmediateQtViewer.cc,v 1.16 2007/06/25 16:38:13 $
// GEANT4 tag $Name: geant4-08-02-patch-01 $
//
//
// Class G4OpenGLImmediateQtViewer : a class derived from G4OpenGLQtViewer and
//                                G4OpenGLImmediateViewer.

#ifdef G4VIS_BUILD_OPENGLQT_DRIVER

#include "G4OpenGLImmediateQtViewer.hh"

#include "G4ios.hh"

G4OpenGLImmediateQtViewer::G4OpenGLImmediateQtViewer
(G4OpenGLImmediateSceneHandler& sceneHandler,
 const G4String&  name):
 G4VViewer (sceneHandler, sceneHandler.IncrementViewCount (), name),
 G4OpenGLViewer (sceneHandler),
 G4OpenGLQtViewer (sceneHandler),
 G4OpenGLImmediateViewer (sceneHandler),
 QGLWidget()                      // FIXME : gerer le pb du parent !
 {
   nbPaint =0;
  if (fViewId < 0) return;  // In case error in base class instantiation.
}

G4OpenGLImmediateQtViewer::~G4OpenGLImmediateQtViewer() {
   printf("GLWidget::~GLWidget \n");
     makeCurrent();
   printf("GLWidget::~GLWidget END\n");
}

void G4OpenGLImmediateQtViewer::Initialise() {
   printf("GLWidget::Initialise \n");
   printf("readyToPaint = false \n");
   readyToPaint = false;
   //  printf("G4OpenGLImmediateQtViewer::Initialise () 1\n");
  //  CreateGLQtContext ();
  printf("G4OpenGLImmediateQtViewer::Initialise () 2\n");

  CreateMainWindow (this);
  printf("G4OpenGLImmediateQtViewer::Initialise () 3\n");

  //  CreateFontLists ();  // FIXME Does nothing!

  printf("readyToPaint = true \n");
  readyToPaint = true;

  // First Draw
    SetView();
    //   //  printf("before ClearView\n");
    //   //  makeCurrent();
    //   //  for (int a=0;a<100000000;a++) {b = b/3.1456;}
    printf("    ClearView\n");
    ClearView (); //ok, put the background correct
    //    DrawView2();
    ShowView();
   //  printf("before ClearView\n");
   //  ClearView (); //ok, put the background correct
//   // FIXME
    FinishView();
}

void G4OpenGLImmediateQtViewer::initializeGL () {

   InitializeGLView ();

   printf("G4OpenGLImmediateQtViewer::InitialiseGL () 1\n");

   //   glDrawBuffer (GL_FRONT); // FIXME : Ne marche pas avec cette ligne, mais affiche le run correctement...
   // clear the buffers and window.
   ClearView ();
   //   printf("G4OpenGLImmediateQtViewer::InitialiseGL () 2\n");
   FinishView ();

   // If a double buffer context has been forced upon us, ignore the
   // back buffer for this OpenGLImmediate view.


   glDepthFunc (GL_LEQUAL);
   glDepthMask (GL_TRUE);

   printf("G4OpenGLImmediateQtViewer::InitialiseGL  -------------------------------------------------------------------------------------\n");
}


void G4OpenGLImmediateQtViewer::DrawView () {

  printf("G4OpenGLImmediateQtViewer::DrawView %d %d   VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n",WinSize_x, WinSize_y);
  //    glDraw();
  DrawView2();
  printf("G4OpenGLImmediateQtViewer::DrawView %d %d ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n",WinSize_x, WinSize_y);

}

void G4OpenGLImmediateQtViewer::DrawView2 () {

  printf("G4OpenGLImmediateQtViewer::DrawView2 %d %d   VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n",WinSize_x, WinSize_y);
   // If a double buffer context has been forced upon us, ignore the
   // back buffer for this OpenGLImmediate view.
  //  glDrawBuffer (GL_FRONT);

   G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();

   //Make sure current viewer is attached and clean...
   //Qt version needed
   //glXMakeCurrent (dpy, win, cx);
   glViewport (0, 0, WinSize_x, WinSize_y);

   if(style!=G4ViewParameters::hlr &&
      haloing_enabled) {
     printf("G4OpenGLImmediateQtViewer::DrawView2 DANS LE IF\n");

     HaloingFirstPass ();
     NeedKernelVisit ();
     ProcessView ();
     glFlush ();

     HaloingSecondPass ();

   }

   NeedKernelVisit ();  // Always need to visit G4 kernel.
   ProcessView ();
   FinishView ();
  printf("G4OpenGLImmediateQtViewer::DrawView2 %d %d ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n",WinSize_x, WinSize_y);
  readyToPaint = false;
}


//////////////////////////////////////////////////////////////////////////////
void G4OpenGLImmediateQtViewer::FinishView (
) 
//////////////////////////////////////////////////////////////////////////////
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
{
  printf("G4OpenGLImmediateQtViewer::FinishView VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n");
//   //    if(!fHDC) return;

   glFlush ();
  printf("G4OpenGLImmediateQtViewer::FinishView ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");

  // Empty the Windows message queue :
//   MSG event;
//   while ( ::PeekMessage(&event, NULL, 0, 0, PM_REMOVE) ) {
//     ::TranslateMessage(&event);
//     ::DispatchMessage (&event);
//   }
}


void G4OpenGLImmediateQtViewer::resizeGL(
 int width
,int height)
{
  printf("G4OpenGLImmediateQtViewer::resizeGL VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV \n");
  
  int side = qMin(width, height);
  glViewport((width - side) / 2, (height - side) / 2, side, side);
  glMatrixMode(GL_PROJECTION);
  glLoadIdentity();
  glOrtho(-0.5, +0.5, +0.5, -0.5, 4.0, 15.0);
  glMatrixMode(GL_MODELVIEW);
  
  printf("G4OpenGLImmediateQtViewer::resizeGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
}

void G4OpenGLImmediateQtViewer::paintEvent (
 QPaintEvent * event
 )
{
//   printf("G4OpenGLImmediateQtViewer::paintEvent VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV \n");
//   printf("Type of Event %d \n",event->type());
//   printf("G4OpenGLImmediateQtViewer::paintEvent ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
  return paintGL();
}


void G4OpenGLImmediateQtViewer::paintGL()
 {
   if (!readyToPaint)
     return;
   // DO NOT RESIZE IF SIZE HAS NOT CHANGE
   if (((WinSize_x == (G4int)width())) &&(WinSize_y == (G4int) height())) {
     return;
   }
   nbPaint++;
   printf("\n\nG4OpenGLImmediateQtViewer::paintGL VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV %d\n",nbPaint);
   WinSize_x = (G4int) width();
   WinSize_y = (G4int) height();

   glViewport (0, 0, width(), height());

   SetView();
//   //  printf("before ClearView\n");
//   //  makeCurrent();
//   //  for (int a=0;a<100000000;a++) {b = b/3.1456;}
   printf("    ClearView\n");
   //   ClearView (); //ok, put the background correct
   DrawView2();
   readyToPaint = true; // could be set to false by DrawView

   // INIT ok  RUN nok      ShowView();
   //  printf("before ClearView\n");
   //  ClearView (); //ok, put the background correct
//   // FIXME
// INIT ok  RUN nok      FinishView();
//   //  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//   //  glLoadIdentity();
//   //  glTranslated(0.0, 0.0, -10.0);

   printf("G4OpenGLImmediateQtViewer::paintGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\n\n");
 }


#endif