source: trunk/source/visualization/OpenGL/src/G4OpenGLQtViewer.cc @ 940

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1//
2// ********************************************************************
3// * License and Disclaimer                                           *
4// *                                                                  *
5// * The  Geant4 software  is  copyright of the Copyright Holders  of *
6// * the Geant4 Collaboration.  It is provided  under  the terms  and *
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15// * use.  Please see the license in the file  LICENSE  and URL above *
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25//
26//
27// $Id: G4OpenGLQtViewer.cc,v 1.37 2009/03/05 11:04:20 lgarnier Exp $
28// GEANT4 tag $Name:  $
29//
30//
31// G4OpenGLQtViewer : Class to provide Qt specific
32//                     functionality for OpenGL in GEANT4
33//
34// 27/06/2003 : G.Barrand : implementation (at last !).
35
36#ifdef G4VIS_BUILD_OPENGLQT_DRIVER
37
38#include "G4OpenGLQtViewer.hh"
39#include "G4VViewer.hh"
40#include "G4VSceneHandler.hh"
41#include "G4OpenGLSceneHandler.hh"
42
43#include "G4ios.hh"
44#include "G4VisExtent.hh"
45#include "G4LogicalVolume.hh"
46#include "G4VSolid.hh"
47#include "G4Point3D.hh"
48#include "G4Normal3D.hh"
49#include "G4Scene.hh"
50#include "G4OpenGLQtExportDialog.hh"
51#include "G4OpenGLQtMovieDialog.hh"
52#include "G4UnitsTable.hh"
53#include "G4Qt.hh"
54#include "G4UImanager.hh"
55#include "G4UIcommandTree.hh"
56#include <qlayout.h>
57#include <qdialog.h>
58#include <qprocess.h>
59#include <qapplication.h>
60#include <qdesktopwidget.h>
61
62#if QT_VERSION >= 0x040000
63#include <qmenu.h>
64#include <qimagewriter.h>
65#else
66#include <qaction.h>
67#include <qwidgetlist.h>
68#include <qpopupmenu.h>
69#include <qimage.h>
70#endif
71
72#include <qapplication.h>
73#include <qmessagebox.h>
74#include <qfiledialog.h>
75#include <qprinter.h>
76#include <qdatetime.h>
77#include <qpainter.h>
78#include <qgl.h> // include <qglwidget.h>
79#include <qdialog.h>
80#include <qevent.h> //include <qcontextmenuevent.h>
81
82
83//////////////////////////////////////////////////////////////////////////////
84/**
85   Implementation of virtual method of G4VViewer
86*/
87void G4OpenGLQtViewer::SetView (
88)
89//////////////////////////////////////////////////////////////////////////////
90//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
91{
92  G4OpenGLViewer::SetView ();
93}
94
95
96
97
98//////////////////////////////////////////////////////////////////////////////
99void G4OpenGLQtViewer::CreateMainWindow (
100 QGLWidget* glWidget
101 ,QString name
102)
103//////////////////////////////////////////////////////////////////////////////
104//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
105{
106
107  if(fWindow) return; //Done.
108#ifdef G4DEBUG_VIS_OGL
109  printf("G4OpenGLQtViewer::CreateMainWindow glWidget\n");
110#endif
111
112  // launch Qt if not
113  G4Qt* interactorManager = G4Qt::getInstance ();
114  //  G4UImanager* UI = G4UImanager::GetUIpointer();
115
116  fWindow = glWidget ;
117  //  fWindow->makeCurrent();
118
119  // create window
120  if (((QApplication*)interactorManager->GetMainInteractor())) {
121    // look for the main window
122    bool found = false;
123#if QT_VERSION < 0x040000
124    // theses lines does nothing exept this one "GLWindow = new QDialog(0..."
125    // but if I comment them, it doesn't work...
126    QWidgetList  *list = QApplication::allWidgets();
127    QWidgetListIt it( *list );         // iterate over the widgets
128    QWidget * widget;
129    while ( (widget=it.current()) != 0 ) {  // for each widget...
130      ++it;
131      if ((found== false) && (widget->inherits("QMainWindow"))) {
132        GLWindow = new QDialog(0,0,FALSE,Qt::WStyle_Title | Qt::WStyle_SysMenu | Qt::WStyle_MinMax );
133        found = true;
134      }
135    }
136    delete list;                      // delete the list, not the widgets
137#else
138    foreach (QWidget *widget, QApplication::allWidgets()) {
139      if ((found== false) && (widget->inherits("QMainWindow"))) {
140        GLWindow = new QDialog(0,Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint);
141        found = true;
142      }
143    }
144#endif
145
146#if QT_VERSION < 0x040000
147    glWidget->reparent(GLWindow,0,QPoint(0,0)); 
148#else
149    glWidget->setParent(GLWindow); 
150#endif
151
152    if (found==false) {
153#ifdef G4DEBUG_VIS_OGL
154      printf("G4OpenGLQtViewer::CreateMainWindow case Qapp exist, but not found\n");
155#endif
156      GLWindow = new QDialog();
157    }
158  } else {
159#ifdef G4DEBUG_VIS_OGL
160    printf("G4OpenGLQtViewer::CreateMainWindow case Qapp exist\n");
161#endif
162    GLWindow = new QDialog();
163  }
164
165  QHBoxLayout *mainLayout = new QHBoxLayout(GLWindow);
166
167  mainLayout->addWidget(fWindow);
168
169#if QT_VERSION < 0x040000
170  GLWindow->setCaption(name );
171#else
172  GLWindow->setLayout(mainLayout);
173  GLWindow->setWindowTitle( name);
174#endif
175  fWinSize_x = fVP.GetWindowSizeHintX();
176  fWinSize_y = fVP.GetWindowSizeHintY();
177
178  //useful for MACOSX, we have to compt the menuBar height
179  int offset = QApplication::desktop()->height()
180                      - QApplication::desktop()->availableGeometry().height();
181
182  G4int YPos= fVP.GetWindowAbsoluteLocationHintY(QApplication::desktop()->height());
183  if (fVP.GetWindowAbsoluteLocationHintY(QApplication::desktop()->height())< offset) {
184    YPos = offset;
185  }
186  GLWindow->resize(fWinSize_x, fWinSize_y);
187  GLWindow->move(fVP.GetWindowAbsoluteLocationHintX(QApplication::desktop()->width()),YPos);
188  GLWindow->show();
189 
190  if(!fWindow) return;
191#ifdef G4DEBUG_VIS_OGL
192  printf("G4OpenGLQtViewer::CreateMainWindow glWidget END\n");
193#endif
194
195  if (!fContextMenu)
196    createPopupMenu();
197
198}
199
200#if QT_VERSION >= 0x040000
201/**  Close the dialog and set the pointer to NULL
202 */
203// void G4OpenGLQtViewer::dialogClosed() {
204//   //  GLWindow = NULL;
205// }
206#endif
207
208//////////////////////////////////////////////////////////////////////////////
209G4OpenGLQtViewer::G4OpenGLQtViewer (
210                                    G4OpenGLSceneHandler& scene
211                                    )
212  :G4VViewer (scene, -1)
213  ,G4OpenGLViewer (scene)
214  ,fWindow(0)
215  ,fRecordFrameNumber(0)
216  ,fRotationAngleX(0)
217  ,fRotationAngleY(0)
218  ,fDeltaRotationAngleX(0)
219  ,fDeltaRotationAngleY(0)
220  ,fContextMenu(0)
221  ,fMouseAction(STYLE1)
222  ,fDeltaRotation(1)
223  ,fDeltaSceneTranslation(0.01)
224  ,fDeltaDepth(0.01)
225  ,fDeltaZoom(0.05)
226  ,fDeltaMove(0.05)
227  ,fHoldKeyEvent(false)
228  ,fHoldMoveEvent(false)
229  ,fHoldRotateEvent(false)
230  ,fAutoMove(false)
231  ,fEncoderPath("")
232  ,fTempFolderPath("")
233  ,fMovieTempFolderPath("")
234  ,fSaveFileName("")
235  ,fParameterFileName("mpeg_encode_parameter_file.par")
236  ,fMovieParametersDialog(NULL)
237  ,fRecordingStep(WAIT)
238  ,fProcess(NULL)
239  ,fLaunchSpinDelay(100)
240{
241
242  // launch Qt if not
243  G4Qt::getInstance ();
244
245  fLastPos3 = QPoint(-1,-1);   
246  fLastPos2 = QPoint(-1,-1);   
247  fLastPos1 = QPoint(-1,-1);   
248 
249  initMovieParameters();
250
251  fLastEventTime = new QTime();
252
253#ifdef G4DEBUG_VIS_OGL
254  printf("G4OpenGLQtViewer::G4OpenGLQtViewer END\n");
255#endif
256}
257
258//////////////////////////////////////////////////////////////////////////////
259G4OpenGLQtViewer::~G4OpenGLQtViewer (
260)
261//////////////////////////////////////////////////////////////////////////////
262//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
263{
264#if QT_VERSION < 0x040000
265  G4cout <<removeTempFolder().ascii() <<G4endl;
266#else
267  G4cout <<removeTempFolder().toStdString().c_str() <<G4endl;
268#endif
269}
270
271
272/**
273   Create a popup menu for the widget. This menu is activated by right-mouse click
274*/
275void G4OpenGLQtViewer::createPopupMenu()    {
276
277#if QT_VERSION < 0x040000
278  fContextMenu = new QPopupMenu( GLWindow,"All" );
279#else
280  fContextMenu = new QMenu("All");
281#endif
282
283#if QT_VERSION < 0x040000
284  QPopupMenu *mMouseAction = new QPopupMenu( fContextMenu );
285  fContextMenu->insertItem("&Mouse actions",mMouseAction);
286#if QT_VERSION < 0x030200
287  fRotateAction =  new QAction("&Rotate","&Rotate",CTRL+Key_R,mMouseAction,0,true);
288  fMoveAction =  new QAction("&Move","&Move",CTRL+Key_M,mMouseAction,0,true);
289  fPickAction =  new QAction("&Pick","&Pick",CTRL+Key_P,mMouseAction,0,true);
290  QAction * shortcutsAction =  new QAction("&Show shortcuts","&Show shortcuts",CTRL+Key_S,mMouseAction,0,true);
291#else
292  fRotateAction =  new QAction("&Rotate",CTRL+Key_R,mMouseAction);
293  fMoveAction =  new QAction("&Move",CTRL+Key_M,mMouseAction);
294  fPickAction =  new QAction("&Pick",CTRL+Key_P,mMouseAction);
295  QAction *shortcutsAction =  new QAction("&Show shortcuts",CTRL+Key_S,mMouseAction);
296#endif
297  fRotateAction->addTo(mMouseAction);
298  fMoveAction->addTo(mMouseAction);
299  fPickAction->addTo(mMouseAction);
300  shortcutsAction->addTo(mMouseAction);
301
302  fRotateAction->setToggleAction(true);
303  fMoveAction->setToggleAction(true);
304  fPickAction->setToggleAction(true);
305  shortcutsAction->setToggleAction(true);
306
307  fRotateAction->setOn(true);
308  fMoveAction->setOn(false);
309  fPickAction->setOn(false);
310  shortcutsAction->setOn(false);
311
312
313  QObject ::connect(fRotateAction,
314                    SIGNAL(activated()),
315                    this,
316                    SLOT(actionMouseRotate()));
317
318  QObject ::connect(fMoveAction,
319                    SIGNAL(activated()),
320                    this,
321                    SLOT(actionMouseMove()));
322
323  QObject ::connect(fPickAction,
324                    SIGNAL(activated()),
325                    this,
326                    SLOT(actionMousePick()));
327
328  QObject ::connect(shortcutsAction,
329                    SIGNAL(activated()),
330                    this,
331                    SLOT(showShortcuts()));
332
333#else
334  QMenu *mMouseAction = fContextMenu->addMenu("&Mouse actions");
335
336  fRotateAction = mMouseAction->addAction("Rotate");
337  fMoveAction = mMouseAction->addAction("Move");
338  fPickAction = mMouseAction->addAction("Pick");
339  QAction *shortcutsAction = mMouseAction->addAction("Show shortcuts");
340
341  fRotateAction->setCheckable(true);
342  fMoveAction->setCheckable(false);
343  fPickAction->setCheckable(false);
344  shortcutsAction->setCheckable(false);
345
346  fRotateAction->setChecked(true);
347  fMoveAction->setChecked(false);
348  fPickAction->setChecked(false);
349  shortcutsAction->setChecked(false);
350
351  QObject ::connect(fRotateAction,
352                    SIGNAL(triggered(bool)),
353                    this,
354                    SLOT(actionMouseRotate()));
355
356  QObject ::connect(fMoveAction,
357                    SIGNAL(triggered(bool)),
358                    this,
359                    SLOT(actionMouseMove()));
360
361  QObject ::connect(fPickAction,
362                    SIGNAL(triggered(bool)),
363                    this,
364                    SLOT(actionMousePick()));
365
366  QObject ::connect(shortcutsAction,
367                    SIGNAL(triggered(bool)),
368                    this,
369                    SLOT(showShortcuts()));
370#endif
371
372#if QT_VERSION < 0x040000
373  // === Style Menu ===
374  QPopupMenu *mStyle = new QPopupMenu(fContextMenu);
375
376  QPopupMenu *mRepresentation = new QPopupMenu(fContextMenu);
377
378  QPopupMenu *mProjection = new QPopupMenu(fContextMenu);
379
380#if QT_VERSION < 0x030200
381  QAction *polyhedron = new QAction("&Polyhedron","&Polyhedron",CTRL+Key_P,mRepresentation,0,true);
382  QAction *nurbs = new QAction("&NURBS","&NURBS",CTRL+Key_N,mRepresentation,0,true);
383
384  QAction *ortho = new QAction("&Orthographic","&Orthographic",CTRL+Key_O,mProjection,0,true);
385  QAction *perspective = new QAction("&Perspective","&Perspective",CTRL+Key_P,mProjection,0,true);
386#else
387  QAction *polyhedron = new QAction("&Polyhedron",CTRL+Key_P,mRepresentation);
388  QAction *nurbs = new QAction("&NURBS",CTRL+Key_N,mRepresentation);
389
390  QAction *ortho = new QAction("&Orthographic",CTRL+Key_O,mProjection);
391  QAction *perspective = new QAction("&Perspective",CTRL+Key_P,mProjection);
392  polyhedron->setToggleAction(true);
393  nurbs->setToggleAction(true);
394  ortho->setToggleAction(true);
395  perspective->setToggleAction(true);
396#endif
397  polyhedron->addTo(mRepresentation);
398  nurbs->addTo(mRepresentation);
399
400  ortho->addTo(mProjection);
401  perspective->addTo(mProjection);
402
403  mStyle->insertItem("&Representation",mRepresentation);
404  mStyle->insertItem("&Projection",mProjection);
405  fContextMenu->insertItem("&Style",mStyle);
406
407
408#else
409  // === Style Menu ===
410  QMenu *mStyle = fContextMenu->addMenu("&Style");
411
412  QMenu *mRepresentation = mStyle->addMenu("&Representation");
413  QMenu *mProjection = mStyle->addMenu("&Projection");
414  QAction *polyhedron = mRepresentation->addAction("Polyhedron");
415  QAction *nurbs = mRepresentation->addAction("NURBS");
416
417  QAction *ortho = mProjection->addAction("Orthographic");
418  QAction *perspective = mProjection->addAction("Persepective");
419#endif
420
421  // INIT mRepresentation
422  G4ViewParameters::RepStyle style;
423  style = fVP.GetRepStyle();
424  if (style == G4ViewParameters::polyhedron) {
425    createRadioAction(polyhedron,nurbs,SLOT(toggleRepresentation(bool)),1);
426  } else if (style == G4ViewParameters::nurbs) {
427    createRadioAction(polyhedron,nurbs,SLOT(toggleRepresentation(bool)),2);
428  } else {
429    mRepresentation->clear();
430  }
431
432  // INIT mProjection
433  if (fVP.GetFieldHalfAngle() == 0) {
434    createRadioAction(ortho, perspective,SLOT(toggleProjection(bool)),1);
435  } else {
436    createRadioAction(ortho, perspective,SLOT(toggleProjection(bool)),2);
437  }
438
439#if QT_VERSION < 0x040000
440  // === Drawing Menu ===
441  QPopupMenu *mDrawing = new QPopupMenu(fContextMenu);
442  fContextMenu->insertItem("&Drawing",mDrawing);
443
444#if QT_VERSION < 0x030200
445  fDrawingWireframe = new QAction("&Wireframe","&Wireframe",CTRL+Key_W,mDrawing,0,true);
446  fDrawingLineRemoval = new QAction("&Hidden line removal","&Hidden line removal",CTRL+Key_L,mDrawing,0,true);
447  fDrawingSurfaceRemoval = new QAction("&Hidden surface removal","&Hidden surface removal",CTRL+Key_S,mDrawing,0,true);
448  fDrawingLineSurfaceRemoval = new QAction("&Hidden line and surface removal","&Hidden line and surface removal",CTRL+Key_R,mDrawing,0,true);
449#else
450  fDrawingWireframe = new QAction("&Wireframe",CTRL+Key_W,mDrawing);
451  fDrawingLineRemoval = new QAction("&Hidden line removal",CTRL+Key_L,mDrawing);
452  fDrawingSurfaceRemoval = new QAction("&Hidden surface removal",CTRL+Key_S,mDrawing);
453  fDrawingLineSurfaceRemoval = new QAction("&Hidden line and surface removal",CTRL+Key_R,mDrawing);
454#endif
455  fDrawingWireframe->setToggleAction(true);
456  fDrawingLineRemoval->setToggleAction(true);
457  fDrawingSurfaceRemoval->setToggleAction(true);
458  fDrawingLineSurfaceRemoval->setToggleAction(true);
459
460  fDrawingWireframe->addTo(mDrawing);
461  fDrawingLineRemoval->addTo(mDrawing);
462  fDrawingSurfaceRemoval->addTo(mDrawing);
463  fDrawingLineSurfaceRemoval->addTo(mDrawing);
464
465
466#else
467  // === Drawing Menu ===
468  QMenu *mDrawing = mStyle->addMenu("&Drawing");
469
470  fDrawingWireframe = mDrawing->addAction("Wireframe");
471  fDrawingWireframe->setCheckable(true);
472
473  fDrawingLineRemoval = mDrawing->addAction("Hidden line removal");
474  fDrawingLineRemoval->setCheckable(true);
475
476  fDrawingSurfaceRemoval = mDrawing->addAction("Hidden Surface removal");
477  fDrawingSurfaceRemoval->setCheckable(true);
478
479  fDrawingLineSurfaceRemoval = mDrawing->addAction("Hidden line and surface removal");
480  fDrawingLineSurfaceRemoval->setCheckable(true);
481#endif
482  // INIT Drawing
483  G4ViewParameters::DrawingStyle d_style;
484  d_style = fVP.GetDrawingStyle();
485 
486#if QT_VERSION < 0x040000
487  if (d_style == G4ViewParameters::wireframe) {
488    fDrawingWireframe->setOn(true);
489  } else if (d_style == G4ViewParameters::hlr) {
490    fDrawingLineRemoval->setOn(true);
491  } else if (d_style == G4ViewParameters::hsr) {
492    fDrawingSurfaceRemoval->setOn(true);
493  } else if (d_style == G4ViewParameters::hlhsr) {
494    fDrawingLineSurfaceRemoval->setOn(true);
495  } else {
496    mDrawing->clear();
497  }
498  QObject ::connect(fDrawingWireframe,
499                    SIGNAL(activated()),
500                    this,
501                    SLOT(actionDrawingWireframe()));
502  QObject ::connect(fDrawingLineRemoval,
503                    SIGNAL(activated()),
504                    this,
505                    SLOT(actionDrawingLineRemoval()));
506  QObject ::connect(fDrawingSurfaceRemoval,
507                    SIGNAL(activated()),
508                    this,
509                    SLOT(actionDrawingSurfaceRemoval()));
510  QObject ::connect(fDrawingLineSurfaceRemoval,
511                    SIGNAL(activated()),
512                    this,
513                    SLOT(actionDrawingLineSurfaceRemoval()));
514#else
515  if (d_style == G4ViewParameters::wireframe) {
516    fDrawingWireframe->setChecked(true);
517  } else if (d_style == G4ViewParameters::hlr) {
518    fDrawingLineRemoval->setChecked(true);
519  } else if (d_style == G4ViewParameters::hsr) {
520    fDrawingSurfaceRemoval->setChecked(true);
521  } else if (d_style == G4ViewParameters::hlhsr) {
522    fDrawingLineSurfaceRemoval->setChecked(true);
523  } else {
524    mDrawing->clear();
525  }
526  QObject ::connect(fDrawingWireframe,
527                    SIGNAL(triggered(bool)),
528                    this,
529                    SLOT(actionDrawingWireframe()));
530  QObject ::connect(fDrawingLineRemoval,
531                    SIGNAL(triggered(bool)),
532                    this,
533                    SLOT(actionDrawingLineRemoval()));
534  QObject ::connect(fDrawingSurfaceRemoval,
535                    SIGNAL(triggered(bool)),
536                    this,
537                    SLOT(actionDrawingSurfaceRemoval()));
538  QObject ::connect(fDrawingLineSurfaceRemoval,
539                    SIGNAL(triggered(bool)),
540                    this,
541                    SLOT(actionDrawingLineSurfaceRemoval()));
542#endif
543
544
545
546#if QT_VERSION < 0x040000
547  QPopupMenu *mBackground = new QPopupMenu(mStyle);
548  mStyle->insertItem("&Background color",mBackground);
549
550#if QT_VERSION < 0x030200
551  QAction *white = new QAction("&White","&White",CTRL+Key_W,mBackground,0,true);
552  QAction *black =  new QAction("&Black","&Black",CTRL+Key_B,mBackground,0,true);
553#else
554  QAction *white = new QAction("&White",CTRL+Key_W,mBackground);
555  QAction *black =  new QAction("&Black",CTRL+Key_B,mBackground);
556  white->setToggleAction(true);
557  black->setToggleAction(true);
558#endif
559  white->addTo(mBackground);
560  black->addTo(mBackground);
561
562#else
563  QMenu *mBackground = mStyle->addMenu("&Background color");
564  QAction *white = mBackground->addAction("White");
565  QAction *black = mBackground->addAction("Black");
566
567#endif
568  if (background.GetRed() == 1. &&
569      background.GetGreen() == 1. &&
570      background.GetBlue() == 1.) {
571    createRadioAction(white,black,SLOT(toggleBackground(bool)),1);
572  } else {
573    createRadioAction(white,black,SLOT(toggleBackground(bool)),2);
574  }
575
576
577#if QT_VERSION < 0x040000
578  // === Action Menu ===
579  QPopupMenu *mActions = new QPopupMenu(fContextMenu);
580  fContextMenu->insertItem("&Actions",mActions);
581
582#if QT_VERSION < 0x030200
583  QAction *createEPS =  new QAction("&Save as ...","&Save as ...",CTRL+Key_S,mActions,0,true);
584#else
585  QAction *createEPS =  new QAction("&Save as ...",CTRL+Key_S,mActions);
586#endif
587  createEPS->addTo(mActions);
588  QObject ::connect(createEPS,
589                    SIGNAL(activated()),
590                    this,
591                    SLOT(actionSaveImage()));
592
593#else
594  // === Action Menu ===
595  QMenu *mActions = fContextMenu->addMenu("&Actions");
596  QAction *createEPS = mActions->addAction("Save as ...");
597  QObject ::connect(createEPS,
598                    SIGNAL(triggered()),
599                    this,
600                    SLOT(actionSaveImage()));
601#endif
602
603#if QT_VERSION < 0x040000
604#if QT_VERSION < 0x030200
605  QAction *movieParameters =  new QAction("&Make Movie...","&Make movie ...",CTRL+Key_M,mActions,0,true);
606#else
607  QAction *movieParameters =  new QAction("&Make Movie...",CTRL+Key_M,mActions);
608#endif
609  movieParameters->addTo(mActions);
610  QObject ::connect(movieParameters,
611                    SIGNAL(activated()),
612                    this,
613                    SLOT(actionMovieParameters()));
614
615#else
616  // === Action Menu ===
617  QAction *movieParameters = mActions->addAction("Movie parameters...");
618  QObject ::connect(movieParameters,
619                    SIGNAL(triggered()),
620                    this,
621                    SLOT(actionMovieParameters()));
622#endif
623
624
625
626
627#if QT_VERSION < 0x040000
628  // === Special Menu ===
629  QPopupMenu *mSpecial = new QPopupMenu(fContextMenu);
630  fContextMenu->insertItem("S&pecial",mSpecial);
631
632  QPopupMenu *mTransparency = new QPopupMenu(mSpecial);
633  mSpecial->insertItem("Transparency",mTransparency);
634
635#if QT_VERSION < 0x030200
636  QAction *transparencyOn = new QAction("&On","&On",CTRL+Key_O,mTransparency,0,true);
637  QAction *transparencyOff = new QAction("&Off","&Off",CTRL+Key_F,mTransparency,0,true);
638#else
639  QAction *transparencyOn = new QAction("&On",CTRL+Key_O,mTransparency);
640  QAction *transparencyOff = new QAction("&Off",CTRL+Key_F,mTransparency);
641  transparencyOn->setToggleAction(true);
642  transparencyOff->setToggleAction(true);
643#endif
644  transparencyOn->addTo(mTransparency);
645  transparencyOff->addTo(mTransparency);
646
647#else
648  // === Special Menu ===
649  QMenu *mSpecial = fContextMenu->addMenu("S&pecial");
650  QMenu *mTransparency = mSpecial->addMenu("Transparency");
651  QAction *transparencyOn = mTransparency->addAction("On");
652  QAction *transparencyOff = mTransparency->addAction("Off");
653#endif
654
655  if (transparency_enabled == false) {
656    createRadioAction(transparencyOn,transparencyOff,SLOT(toggleTransparency(bool)),2);
657  } else if (transparency_enabled == true) {
658    createRadioAction(transparencyOn,transparencyOff,SLOT(toggleTransparency(bool)),1);
659  } else {
660    mSpecial->clear();
661  }
662
663
664#if QT_VERSION < 0x040000
665  QPopupMenu *mAntialiasing = new QPopupMenu(mSpecial);
666  mSpecial->insertItem("Antialiasing",mAntialiasing);
667
668#if QT_VERSION < 0x030200
669  QAction *antialiasingOn = new QAction("&On","&On",CTRL+Key_O,mAntialiasing,0,true);
670  QAction *antialiasingOff = new QAction("&Off","&Off",CTRL+Key_F,mAntialiasing,0,true);
671#else
672  QAction *antialiasingOn = new QAction("&On",CTRL+Key_O,mAntialiasing);
673  QAction *antialiasingOff = new QAction("&Off",CTRL+Key_F,mAntialiasing);
674  antialiasingOn->setToggleAction(true);
675  antialiasingOff->setToggleAction(true);
676#endif
677  antialiasingOn->addTo(mAntialiasing);
678  antialiasingOff->addTo(mAntialiasing);
679
680#else
681  QMenu *mAntialiasing = mSpecial->addMenu("Antialiasing");
682  QAction *antialiasingOn = mAntialiasing->addAction("On");
683  QAction *antialiasingOff = mAntialiasing->addAction("Off");
684#endif
685
686  if (antialiasing_enabled == false) {
687    createRadioAction(antialiasingOn,antialiasingOff,SLOT(toggleAntialiasing(bool)),2);
688  } else if (antialiasing_enabled == true) {
689    createRadioAction(antialiasingOn,antialiasingOff,SLOT(toggleAntialiasing(bool)),1);
690  } else {
691    mAntialiasing->clear();
692  }
693
694#if QT_VERSION < 0x040000
695  QPopupMenu *mHaloing = new QPopupMenu(mSpecial);
696  mSpecial->insertItem("Haloing",mHaloing);
697
698#if QT_VERSION < 0x030200
699  QAction *haloingOn = new QAction("&On","&On",CTRL+Key_O,mHaloing,0,true);
700  QAction *haloingOff = new QAction("&Off","&Off",CTRL+Key_F,mHaloing,0,true);
701#else
702  QAction *haloingOn = new QAction("&On",CTRL+Key_O,mHaloing);
703  QAction *haloingOff = new QAction("&Off",CTRL+Key_F,mHaloing);
704  haloingOn->setToggleAction(true);
705  haloingOff->setToggleAction(true);
706#endif
707  haloingOn->addTo(mHaloing);
708  haloingOff->addTo(mHaloing);
709#else
710  QMenu *mHaloing = mSpecial->addMenu("Haloing");
711  QAction *haloingOn = mHaloing->addAction("On");
712  QAction *haloingOff = mHaloing->addAction("Off");
713#endif
714  if (haloing_enabled == false) {
715    createRadioAction(haloingOn,haloingOff,SLOT(toggleHaloing(bool)),2);
716  } else if (haloing_enabled == true) {
717    createRadioAction(haloingOn,haloingOff,SLOT(toggleHaloing(bool)),1);
718  } else {
719    mHaloing->clear();
720  }
721
722#if QT_VERSION < 0x040000
723  QPopupMenu *mAux = new QPopupMenu(mSpecial);
724  mSpecial->insertItem("Auxiliairy edges",mAux);
725
726#if QT_VERSION < 0x030200
727  QAction *auxOn = new QAction("&On","&On",CTRL+Key_O,mAux,0,true);
728  QAction *auxOff = new QAction("&Off","&Off",CTRL+Key_F,mAux,0,true);
729#else
730  QAction *auxOn = new QAction("&On",CTRL+Key_O,mAux);
731  QAction *auxOff = new QAction("&Off",CTRL+Key_F,mAux);
732  auxOn->setToggleAction(true);
733  auxOff->setToggleAction(true);
734#endif
735  auxOn->addTo(mAux);
736  auxOff->addTo(mAux);
737
738#else
739  QMenu *mAux = mSpecial->addMenu("Auxiliary edges");
740  QAction *auxOn = mAux->addAction("On");
741  QAction *auxOff = mAux->addAction("Off");
742#endif
743  if (!fVP.IsAuxEdgeVisible()) {
744    createRadioAction(auxOn,auxOff,SLOT(toggleAux(bool)),1);
745  } else {
746    createRadioAction(auxOn,auxOff,SLOT(toggleAux(bool)),2);
747  }
748
749
750
751#if QT_VERSION < 0x040000
752  QPopupMenu *mFullScreen = new QPopupMenu(mSpecial);
753  mSpecial->insertItem("Full screen",mFullScreen);
754
755#if QT_VERSION < 0x030200
756  fFullScreenOn = new QAction("&On","&On",CTRL+Key_O,mFullScreen,0,true);
757  fFullScreenOff = new QAction("&Off","&Off",CTRL+Key_F,mFullScreen,0,true);
758#else
759  fFullScreenOn = new QAction("&On",CTRL+Key_O,mFullScreen);
760  fFullScreenOff = new QAction("&Off",CTRL+Key_F,mFullScreen);
761  fFullScreenOn->setToggleAction(true);
762  fFullScreenOff->setToggleAction(true);
763#endif
764  fFullScreenOn->addTo(mFullScreen);
765  fFullScreenOff->addTo(mFullScreen);
766#else
767  QMenu *mFullScreen = mSpecial->addMenu("&Full screen");
768  fFullScreenOn = mFullScreen->addAction("On");
769  fFullScreenOff = mFullScreen->addAction("Off");
770#endif
771  createRadioAction(fFullScreenOn,fFullScreenOff,SLOT(toggleFullScreen(bool)),2);
772
773}
774
775
776void G4OpenGLQtViewer::G4manageContextMenuEvent(QContextMenuEvent *e)
777{
778  if (!GLWindow) {
779    G4cerr << "Visualization window not defined, please choose one before" << G4endl;
780  } else {
781 
782    if (!fContextMenu)
783      createPopupMenu();
784   
785    // launch menu
786    if ( fContextMenu ) {
787      fContextMenu->exec( e->globalPos() );
788      //    delete fContextMenu;
789    }
790  }
791  e->accept();
792}
793
794
795/**
796   Create a radio button menu. The two menu will be connected. When click on one,
797   eatch state will be invert and callback method will be called.
798   @param action1 first action to connect
799   @param action2 second action to connect
800   @param method callback method
801   @param nCheck: 1 : first action will be set true. 2 : second action will be set true
802*/
803#if QT_VERSION < 0x040000
804void G4OpenGLQtViewer::createRadioAction(QAction *action1,QAction *action2, const std::string& method,unsigned int nCheck) {
805
806  if (action1->parent()->inherits("QPopupMenu")){
807    ((QPopupMenu*)action1->parent())->setCheckable(true);
808    ((QPopupMenu*)action2->parent())->setCheckable(true);
809  }
810  action1->setOn(false);
811   action2->setOn(false);
812
813  if (nCheck ==1)
814    action1->setOn(true);
815  else
816    action2->setOn(true);
817   
818  //FIXME : Should not work on Qt3
819  QObject ::connect(action1, SIGNAL(activated()),action2, SLOT(toggle()));
820  QObject ::connect(action2, SIGNAL(activated()),action1, SLOT(toggle()));
821
822  QObject ::connect(action1, SIGNAL(toggled(bool)),this, method.c_str());
823}
824
825#else
826void G4OpenGLQtViewer::createRadioAction(QAction *action1,QAction *action2, const std::string& method,unsigned int nCheck) {
827
828  action1->setCheckable(true);
829  action2->setCheckable(true);
830
831  if (nCheck ==1)
832    action1->setChecked (true);
833  else
834    action2->setChecked (true);
835   
836  QObject ::connect(action1, SIGNAL(triggered(bool)),action2, SLOT(toggle()));
837  QObject ::connect(action2, SIGNAL(triggered(bool)),action1, SLOT(toggle()));
838
839  QObject ::connect(action1, SIGNAL(toggled(bool)),this, method.c_str());
840
841}
842#endif
843
844/**
845   Slot activate when mouseAction->rotate menu is set
846 */
847void G4OpenGLQtViewer::actionMouseRotate() {
848  emit toggleMouseAction(STYLE1);
849}
850
851
852/**
853   Slot activate when mouseAction->rotate menu is set
854 */
855void G4OpenGLQtViewer::actionMouseMove() {
856  emit toggleMouseAction(STYLE2);
857}
858
859
860/**
861   Slot activate when mouseAction->zoom menu is set
862 */
863void G4OpenGLQtViewer::actionMousePick() {
864  emit toggleMouseAction(STYLE3);
865}
866
867
868/**
869   Slot activate when drawing->wireframe menu is set
870 */
871void G4OpenGLQtViewer::actionDrawingWireframe() {
872  emit toggleDrawingAction(1);
873}
874
875/**
876   Slot activate when drawing->line removal menu is set
877 */
878void G4OpenGLQtViewer::actionDrawingLineRemoval() {
879  emit toggleDrawingAction(2);
880}
881
882/**
883   Slot activate when drawing->surface removal menu is set
884 */
885void G4OpenGLQtViewer::actionDrawingSurfaceRemoval() {
886  emit toggleDrawingAction(3);
887}
888
889/**
890   Slot activate when drawing->wireframe menu is set
891 */
892void G4OpenGLQtViewer::actionDrawingLineSurfaceRemoval() {
893  emit toggleDrawingAction(4);
894}
895
896
897/**
898   Slot activated when mouse action is toggle
899   @param aAction : STYLE1, STYLE2, STYLE3
900 */
901void G4OpenGLQtViewer::toggleMouseAction(mouseActions aAction) {
902 
903  if ((aAction == STYLE1) || //initialize all
904      (aAction == STYLE2) ||
905      (aAction == STYLE3))  {
906#if QT_VERSION < 0x040000
907    fRotateAction->setOn (false);
908    fMoveAction->setOn (false);
909    fPickAction->setOn (false);
910#else
911    fRotateAction->setChecked (false);
912    fMoveAction->setChecked (false);
913    fPickAction->setChecked (false);
914#endif
915    fVP.SetPicking(false);
916    fMouseAction = aAction;
917  }
918  // rotate
919  if (aAction == STYLE1) {  // rotate
920    showShortcuts();
921#if QT_VERSION < 0x040000
922    fRotateAction->setOn (true);
923#else
924    fRotateAction->setChecked (true);
925#endif
926  } else  if (aAction == STYLE2) { //move
927#if QT_VERSION < 0x040000
928    fMoveAction->setOn (true);
929#else
930    fMoveAction->setChecked (true);
931#endif
932  } else  if (aAction == STYLE3) { //pick
933#if QT_VERSION < 0x040000
934    fPickAction->setOn (true);
935#else
936    fPickAction->setChecked (true);
937#endif
938    fVP.SetPicking(true);
939  }
940}
941
942/**
943   Show shortcuts for this mouse action
944 */
945void G4OpenGLQtViewer::showShortcuts() {
946  if (fMouseAction == STYLE1) {  // rotate
947    G4cout << "Click and move mouse to rotate volume " << G4endl;
948    G4cout << "Press left/right arrows to move volume left/right" << G4endl;
949    G4cout << "Press up/down arrows to move volume up/down" << G4endl;
950    G4cout << "Press ALT+up/down arrows to move volume toward/forward" << G4endl;
951    G4cout << "Press SHIFT+left/right arrows to rotate volume left/right" << G4endl;
952    G4cout << "Press SHIFT+up/down arrows to rotate volume up/down" << G4endl;
953    G4cout << "Press ALT+/- to slow/speed auto rotation/move" << G4endl;
954    G4cout << "In video mode : " << G4endl;
955    G4cout << " Press SPACE to Start/Pause video recording " << G4endl;
956    G4cout << " Press RETURN to Stop video recording " << G4endl;
957  } else  if (fMouseAction == STYLE2) { //move
958    G4cout << "Move camera point of view with mouse" << G4endl;
959    G4cout << "Press left/right arrows to move volume left/right" << G4endl;
960    G4cout << "Press up/down arrows to move volume up/down" << G4endl;
961    G4cout << "Press ALT+up/down arrows to move volume toward/forward" << G4endl;
962    G4cout << "Press SHIFT+left/right arrows to rotate volume left/right" << G4endl;
963    G4cout << "Press SHIFT+up/down arrows to rotate volume up/down" << G4endl;
964    G4cout << "Press +/- to zoom into volume" << G4endl;
965    G4cout << "Press ALT+/- to slow/speed auto rotation/move" << G4endl;
966    G4cout << "In video mode : " << G4endl;
967    G4cout << " Press SPACE to Start/Pause video recording " << G4endl;
968    G4cout << " Press RETURN to Stop video recording " << G4endl;
969  } else  if (fMouseAction == STYLE3) { //pick
970    G4cout << "Click and pick " << G4endl;
971  } else {
972    G4cout << "Move camera point of view with mouse" << G4endl;
973    G4cout << "Press left/right arrows to move volume left/right" << G4endl;
974    G4cout << "Press up/down arrows to move volume up/down" << G4endl;
975    G4cout << "Press ALT+up/down arrows to move volume toward/forward" << G4endl;
976    G4cout << "Press SHIFT+left/right arrows to rotate volume left/right" << G4endl;
977    G4cout << "Press SHIFT+up/down arrows to rotate volume up/down" << G4endl;
978    G4cout << "Press +/- to zoom into volume" << G4endl;
979    G4cout << "Press ALT+/- to slow/speed auto rotation/move" << G4endl;
980    G4cout << "In video mode : " << G4endl;
981    G4cout << " Press SPACE to Start/Pause video recording " << G4endl;
982    G4cout << " Press RETURN to Stop video recording " << G4endl;
983  }
984
985}
986
987
988
989/**
990   Slot activated when drawing menu is toggle
991   Warning : When G4OpenGLStoredQtViewer::DrawView() method call,
992   KernelVisitDecision () will be call and will set the fNeedKernelVisit
993   to 1. See G4XXXStoredViewer::CompareForKernelVisit for explanations.
994   It will cause a redraw of the view
995   @param aAction : 1 wireframe, 2 line removal, 3 surface removal, 4 line & surface removal
996   @see G4OpenGLStoredQtViewer::DrawView
997   @see G4XXXStoredViewer::CompareForKernelVisit
998 */
999void G4OpenGLQtViewer::toggleDrawingAction(int aAction) {
1000
1001  G4ViewParameters::DrawingStyle d_style = G4ViewParameters::wireframe;
1002 
1003
1004  // initialize
1005  if ((aAction >0) && (aAction <5)) {
1006#if QT_VERSION < 0x040000
1007    fDrawingWireframe->setOn(false);
1008    fDrawingLineRemoval->setOn(false);
1009    fDrawingSurfaceRemoval->setOn(false);
1010    fDrawingLineSurfaceRemoval->setOn(false);
1011#else
1012    fDrawingWireframe->setChecked (false);
1013    fDrawingLineRemoval->setChecked (false);
1014    fDrawingSurfaceRemoval->setChecked (false);
1015    fDrawingLineSurfaceRemoval->setChecked (false);
1016#endif
1017  }
1018  if (aAction ==1) {
1019#if QT_VERSION < 0x040000
1020    fDrawingWireframe->setOn(true);
1021#else
1022    fDrawingWireframe->setChecked (true);
1023#endif
1024
1025    d_style = G4ViewParameters::wireframe;
1026
1027  } else  if (aAction ==2) {
1028#if QT_VERSION < 0x040000
1029    fDrawingLineRemoval->setOn(true);
1030#else
1031    fDrawingLineRemoval->setChecked (true);
1032#endif
1033
1034    d_style = G4ViewParameters::hlr;
1035
1036  } else  if (aAction ==3) {
1037#if QT_VERSION < 0x040000
1038    fDrawingSurfaceRemoval->setOn(true);
1039#else
1040    fDrawingSurfaceRemoval->setChecked (true);
1041#endif
1042
1043    d_style = G4ViewParameters::hsr;
1044
1045  } else  if (aAction ==4) {
1046#if QT_VERSION < 0x040000
1047    fDrawingLineSurfaceRemoval->setOn(true);
1048#else
1049    fDrawingLineSurfaceRemoval->setChecked (true);
1050#endif
1051    d_style = G4ViewParameters::hlhsr;
1052  }
1053  fVP.SetDrawingStyle(d_style);
1054
1055  updateQWidget();
1056}
1057
1058
1059/**
1060   SLOT Activate by a click on the representation menu
1061   Warning : When G4OpenGLStoredQtViewer::DrawView() method call,
1062   KernelVisitDecision () will be call and will set the fNeedKernelVisit
1063   to 1. See G4XXXStoredViewer::CompareForKernelVisit for explanations.
1064   It will cause a redraw of the view
1065   @param check : 1 polyhedron, 0 nurbs
1066   @see G4OpenGLStoredQtViewer::DrawView
1067   @see G4XXXStoredViewer::CompareForKernelVisit
1068*/
1069void G4OpenGLQtViewer::toggleRepresentation(bool check) {
1070
1071  G4ViewParameters::RepStyle style;
1072  if (check == 1) {
1073    style = G4ViewParameters::polyhedron;
1074  } else {
1075    style = G4ViewParameters::nurbs;
1076  }
1077  fVP.SetRepStyle (style);
1078
1079  updateQWidget();
1080}
1081
1082/**
1083   SLOT Activate by a click on the projection menu
1084   Warning : When G4OpenGLStoredQtViewer::DrawView() method call,
1085   KernelVisitDecision () will be call and will set the fNeedKernelVisit
1086   to 1. See G4XXXStoredViewer::CompareForKernelVisit for explanations.
1087   It will cause a redraw of the view
1088   @param check : 1 orthographic, 2 perspective
1089   @see G4OpenGLStoredQtViewer::DrawView
1090   @see G4XXXStoredViewer::CompareForKernelVisit
1091*/
1092void G4OpenGLQtViewer::toggleProjection(bool check) {
1093
1094  if (check == 1) {
1095    fVP.SetFieldHalfAngle (0);
1096  } else {
1097
1098    // look for the default parameter hidden in G4UIcommand parameters
1099    G4UImanager* UI = G4UImanager::GetUIpointer();
1100    if(UI==NULL)
1101      return;
1102    G4UIcommandTree * treeTop = UI->GetTree();
1103
1104    // find command
1105    G4UIcommand* command = treeTop->FindPath("/vis/viewer/set/projection");
1106    if (!command)
1107      return;
1108
1109    // find param
1110    G4UIparameter * angleParam = NULL;
1111    for(G4int i=0;  i<command->GetParameterEntries(); i++)
1112    {
1113      if( command->GetParameter(i)->GetParameterName() == "field-half-angle" ) {
1114        angleParam = command->GetParameter(i);
1115      }
1116    }
1117    if (!angleParam)
1118      return;
1119
1120    // find unit
1121    G4UIparameter * unitParam = NULL;
1122    for(G4int i=0;  i<command->GetParameterEntries(); i++)
1123    {
1124      if( command->GetParameter(i)->GetParameterName() == "unit" ) {
1125        unitParam = command->GetParameter(i);
1126      }
1127    }
1128    if (!unitParam)
1129      return;
1130
1131    G4double defaultValue = command->ConvertToDouble(angleParam->GetDefaultValue())
1132                            * G4UnitDefinition::GetValueOf(unitParam->GetDefaultValue());
1133    if (defaultValue > 89.5 || defaultValue <= 0.0) {
1134      G4cerr << "Field half angle should be 0 < angle <= 89.5 degrees. Check your default Field half angle parameter";
1135    } else {
1136      G4cout << "Perspective view has been set to default value. Field half angle="<<angleParam->GetDefaultValue() <<" " << G4endl;
1137      fVP.SetFieldHalfAngle (defaultValue);
1138      SetView ();
1139    }
1140  } 
1141  updateQWidget();
1142}
1143
1144
1145/**
1146   SLOT Activate by a click on the background menu
1147@param check : 1 white, 0 black
1148*/
1149void G4OpenGLQtViewer::toggleBackground(bool check) {
1150
1151  //   //I need to revisit the kernel if the background colour changes and
1152  //   //hidden line removal is enabled, because hlr drawing utilises the
1153  //   //background colour in its drawing...
1154  //   // (Note added by JA 13/9/2005) Background now handled in view
1155  //   // parameters.  A kernel visit is triggered on change of background.
1156  if (check == 1) {
1157    ((G4ViewParameters&)this->GetViewParameters()).
1158      SetBackgroundColour(G4Colour(1.,1.,1.));  // White
1159  } else {
1160    ((G4ViewParameters&)this->GetViewParameters()).
1161      SetBackgroundColour(G4Colour(0.,0.,0.));  // Black
1162  }
1163  updateQWidget();
1164}
1165
1166/**
1167   SLOT Activate by a click on the transparency menu
1168@param check : 1 , 0
1169*/
1170void G4OpenGLQtViewer::toggleTransparency(bool check) {
1171 
1172  if (check) {
1173    transparency_enabled = false;
1174  } else {
1175    transparency_enabled = true;
1176  }
1177  SetNeedKernelVisit (true);
1178  updateQWidget();
1179}
1180
1181/**
1182   SLOT Activate by a click on the antialiasing menu
1183@param check : 1 , 0
1184*/
1185void G4OpenGLQtViewer::toggleAntialiasing(bool check) {
1186
1187  if (!check) {
1188    antialiasing_enabled = false;
1189    glDisable (GL_LINE_SMOOTH);
1190    glDisable (GL_POLYGON_SMOOTH);
1191  } else {
1192    antialiasing_enabled = true;
1193    glEnable (GL_LINE_SMOOTH);
1194    glHint (GL_LINE_SMOOTH_HINT, GL_NICEST);
1195    glEnable (GL_POLYGON_SMOOTH);
1196    glHint (GL_POLYGON_SMOOTH_HINT, GL_NICEST);
1197  }
1198
1199  updateQWidget();
1200}
1201
1202/**
1203   SLOT Activate by a click on the haloing menu
1204@param check : 1 , 0
1205*/
1206//FIXME : I SEE NOTHING...
1207void G4OpenGLQtViewer::toggleHaloing(bool check) {
1208  if (check) {
1209    haloing_enabled = false;
1210  } else {
1211    haloing_enabled = true;
1212  }
1213
1214  updateQWidget();
1215
1216}
1217
1218/**
1219   SLOT Activate by a click on the auxiliaire edges menu
1220@param check : 1 , 0
1221*/
1222void G4OpenGLQtViewer::toggleAux(bool check) {
1223  if (check) {
1224    fVP.SetAuxEdgeVisible(false);
1225  } else {
1226    fVP.SetAuxEdgeVisible(true);
1227  }
1228  SetNeedKernelVisit (true);
1229  updateQWidget();
1230
1231}
1232
1233/**
1234   SLOT Activate by a click on the full screen menu
1235*/
1236void G4OpenGLQtViewer::toggleFullScreen(bool check) {
1237  if (check != GLWindow->isFullScreen()) { //toggle
1238#if QT_VERSION >= 0x030200
1239    GLWindow->setWindowState(GLWindow->windowState() ^ Qt::WindowFullScreen);
1240#else
1241    G4cerr << "This version of Qt could not do fullScreen. Resizing the widget is the only solution available." << G4endl;
1242#endif
1243  }
1244}
1245
1246
1247void G4OpenGLQtViewer::savePPMToTemp() {
1248  if (fMovieTempFolderPath == "") {
1249    return;
1250  }
1251  QString fileName ="Test"+QString::number(fRecordFrameNumber)+".ppm";
1252  QString filePath =fMovieTempFolderPath+fileName;
1253
1254  QImage image;
1255  image = fWindow->grabFrameBuffer();
1256  bool res = false;
1257 
1258#if QT_VERSION < 0x040000
1259  res = image.save(filePath,"PPM");
1260#else
1261  res = image.save(filePath,0);
1262#endif
1263  if (res == false) {
1264    resetRecording();
1265    setRecordingInfos("Can't save tmp file "+filePath);
1266    return;
1267  }
1268 
1269  setRecordingInfos("File "+fileName+" saved");
1270  fRecordFrameNumber++;
1271}
1272
1273
1274
1275void G4OpenGLQtViewer::actionSaveImage() {
1276  QString filters;
1277#if QT_VERSION < 0x040000
1278  QStrList listFormat=QImageIO::outputFormats();
1279  char *tmp=listFormat.first();
1280  while (tmp!=0) {
1281    filters += QString(tmp) + ";;";
1282    tmp=listFormat.next();
1283  }
1284#else
1285  QList<QByteArray> formats =  QImageWriter::supportedImageFormats ();
1286  for (int i = 0; i < formats.size(); ++i) {
1287    filters +=formats.at(i) + ";;";
1288  }
1289#endif
1290  filters += "eps;;";
1291  filters += "ps;;";
1292  filters += "pdf";
1293  QString* selectedFormat = new QString();
1294#if QT_VERSION < 0x040000
1295  fPrintFilename =  QFileDialog::getSaveFileName ( ".",
1296                                                    filters,
1297                                                    GLWindow,
1298                                                    "Save file dialog",
1299                                                    tr("Save as ..."),
1300                                                    selectedFormat ).ascii();
1301#else
1302  fPrintFilename =  QFileDialog::getSaveFileName ( GLWindow,
1303                                                    tr("Save as ..."),
1304                                                    ".",
1305                                                    filters,
1306                                                    selectedFormat ).toStdString().c_str();
1307#endif
1308  // bmp jpg jpeg png ppm xbm xpm
1309  if (fPrintFilename.empty()) {
1310    return;
1311  }
1312#if QT_VERSION < 0x040000
1313  fPrintFilename += "." + selectedFormat->ascii();
1314  QString format = selectedFormat->lower();
1315#else
1316  fPrintFilename += "." + selectedFormat->toStdString();
1317  QString format = selectedFormat->toLower();
1318#endif
1319  G4OpenGLQtExportDialog* exportDialog= new G4OpenGLQtExportDialog(GLWindow,format,fWindow->height(),fWindow->width());
1320  if(  exportDialog->exec()) {
1321
1322    QImage image;
1323    bool res = false;
1324    if ((exportDialog->getWidth() !=fWindow->width()) ||
1325        (exportDialog->getHeight() !=fWindow->height())) {
1326      if ((format != QString("eps")) && (format != QString("ps"))) {
1327      G4cerr << "Export->Change Size : This function is not implemented, to export in another size, please resize your frame to what you need" << G4endl;
1328     
1329      //    rescaleImage(exportDialog->getWidth(),exportDialog->getHeight());// re-scale image
1330      //      QGLWidget* glResized = fWindow;
1331
1332      // FIXME :
1333      // L.Garnier : I've try to implement change size function, but the problem is
1334      // the renderPixmap function call the QGLWidget to resize and it doesn't draw
1335      // the content of this widget... It only draw the background.
1336
1337      //      fWindow->renderPixmap (exportDialog->getWidth()*2,exportDialog->getHeight()*2,true );
1338
1339      //      QPixmap pixmap = fWindow->renderPixmap ();
1340     
1341      //      image = pixmap->toImage();
1342      //      glResized->resize(exportDialog->getWidth()*2,exportDialog->getHeight()*2);
1343      //      image = glResized->grabFrameBuffer();
1344      }     
1345    } else {
1346      image = fWindow->grabFrameBuffer();
1347    }   
1348    if (format == QString("eps")) {
1349      if (exportDialog->getVectorEPS()) {
1350        res = printVectoredEPS();
1351      } else {
1352        res = printNonVectoredEPS(exportDialog->getNbColor(),(unsigned int)image.width(),(unsigned int)image.height());
1353      }
1354    } else if (format == "ps") {
1355      if ((exportDialog->getWidth() !=fWindow->width()) ||
1356          (exportDialog->getHeight() !=fWindow->height())) {
1357        res = printGl2PS(exportDialog->getWidth(),exportDialog->getHeight());
1358      } else {
1359      res = printGl2PS(fWindow->width(),fWindow->height());
1360      }
1361    } else if (format == "pdf") {
1362
1363      res = printPDF(fPrintFilename,exportDialog->getNbColor(),image);
1364
1365    } else if ((format == "tif") ||
1366               (format == "tiff") ||
1367               (format == "jpg") ||
1368               (format == "jpeg") ||
1369               (format == "png") ||
1370               (format == "pbm") ||
1371               (format == "pgm") ||
1372               (format == "ppm") ||
1373               (format == "bmp") ||
1374               (format == "xbm") ||
1375               (format == "xpm")) {
1376#if QT_VERSION < 0x040000
1377      res = image.save(QString(fPrintFilename.c_str()),selectedFormat->ascii(),exportDialog->getSliderValue());
1378#else
1379      res = image.save(QString(fPrintFilename.c_str()),0,exportDialog->getSliderValue());
1380#endif
1381    } else {
1382      G4cerr << "This version of G4UI Could not generate the selected format" << G4endl;
1383    }
1384    if (res == false) {
1385      G4cerr << "Error while saving file... "<<fPrintFilename.c_str()<< G4endl;
1386    } else {
1387      G4cout << "File "<<fPrintFilename.c_str()<<" has been saved " << G4endl;
1388    }
1389   
1390  } else { // cancel selected
1391    return;
1392  }
1393 
1394}
1395
1396
1397void G4OpenGLQtViewer::actionMovieParameters() {
1398  showMovieParametersDialog();
1399}
1400
1401
1402void G4OpenGLQtViewer::showMovieParametersDialog() {
1403  if (!fMovieParametersDialog) {
1404    fMovieParametersDialog= new G4OpenGLQtMovieDialog(this,GLWindow);
1405    displayRecordingStatus();
1406    fMovieParametersDialog->checkEncoderSwParameters();
1407    fMovieParametersDialog->checkSaveFileNameParameters();
1408    fMovieParametersDialog->checkTempFolderParameters();
1409    if (getEncoderPath() == "") {
1410      setRecordingInfos("mpeg_encode is needed to encode in video format. It is available here: http://bmrc.berkeley.edu/frame/research/mpeg/");
1411    }
1412  }
1413  fMovieParametersDialog->show();
1414}
1415
1416
1417/*
1418// http://www.google.com/codesearch?hl=en&q=+jpg+Qt+quality+QDialog+show:FZkUoth8oiw:TONpW2mR-_c:tyTfrKMO-xI&sa=N&cd=2&ct=rc&cs_p=http://soft.proindependent.com/src/qtiplot-0.8.9.zip&cs_f=qtiplot-0.8.9/qtiplot/src/application.cpp#a0
1419
1420void Graph::exportToSVG(const QString& fname)
1421{
1422  // enable workaround for Qt3 misalignments
1423  QwtPainter::setSVGMode(true);
1424  QPicture picture;
1425  QPainter p(&picture);
1426  d_plot->print(&p, d_plot->rect());
1427  p.end();
1428
1429  picture.save(fname, "svg");
1430}
1431*/
1432
1433
1434
1435void G4OpenGLQtViewer::FinishView()
1436{
1437   glFlush ();
1438   fWindow->swapBuffers ();
1439}
1440
1441/**
1442   Save the current mouse press point
1443   @param p mouse click point
1444*/
1445void G4OpenGLQtViewer::G4MousePressEvent(QMouseEvent *event)
1446{
1447#if QT_VERSION < 0x040000
1448  if ((event->button() & Qt::LeftButton)
1449      && !((event->state() & Qt::ShiftButton)
1450           || (event->state() & Qt::ControlButton)
1451           || (event->state() & Qt::AltButton)
1452           || (event->state() & Qt::MetaButton))) {
1453#else
1454  if ((event->buttons() & Qt::LeftButton)
1455      && !((event->modifiers() & Qt::ShiftModifier)
1456           || (event->modifiers() & Qt::ControlModifier)
1457           || (event->modifiers() & Qt::AltModifier)
1458           || (event->modifiers() & Qt::MetaModifier))) {
1459#endif
1460    fWindow->setMouseTracking(true);
1461    fAutoMove = false; // stop automove
1462    fLastPos1 = event->pos();
1463    fLastPos2 = fLastPos1;
1464    fLastPos3 = fLastPos2;
1465    fLastEventTime->start();
1466    if (fMouseAction == STYLE3){  // pick
1467      Pick(event->pos().x(),event->pos().y());
1468    }
1469  }
1470}
1471
1472/**
1473*/
1474void G4OpenGLQtViewer::G4MouseReleaseEvent()
1475{
1476  fSpinningDelay = fLastEventTime->elapsed();
1477  QPoint delta = (fLastPos3-fLastPos1);
1478  if ((delta.x() == 0) && (delta.y() == 0)) {
1479    return;
1480  }
1481  if (fSpinningDelay < fLaunchSpinDelay ) {
1482    fAutoMove = true;
1483    QTime lastMoveTime;
1484    lastMoveTime.start();
1485    // try to addapt speed move/rotate looking to drawing speed
1486    int cycles = 4;
1487    while (fAutoMove) {
1488      //      if ( lastMoveTime.elapsed() > (fSpinningDelay / (cycles/2))) {
1489        if (fMouseAction == STYLE1) {  // rotate
1490          rotateQtScene(((float)delta.x())/cycles,((float)delta.y())/cycles);
1491        } else if (fMouseAction == STYLE2) {  // move
1492          moveScene(-((float)delta.x())/cycles,-((float)delta.y())/cycles,0,true);
1493        }
1494        lastMoveTime.start();
1495        cycles = 1 ;
1496      ((QApplication*)G4Qt::getInstance ())->processEvents();
1497      cycles ++ ;
1498    }
1499  }
1500  fWindow->setMouseTracking(false);
1501
1502}
1503
1504
1505void G4OpenGLQtViewer::G4MouseDoubleClickEvent()
1506{
1507  fWindow->setMouseTracking(true);
1508}
1509
1510
1511/**
1512   @param pos_x mouse x position
1513   @param pos_y mouse y position
1514   @param mButtons mouse button active
1515   @param mAutoMove true: apply this move till another evnt came, false :one time move
1516*/
1517
1518void G4OpenGLQtViewer::G4MouseMoveEvent(QMouseEvent *event)
1519{
1520 
1521#if QT_VERSION < 0x040000
1522  Qt::ButtonState mButtons = event->state();
1523#else
1524  Qt::MouseButtons mButtons = event->buttons();
1525#endif
1526
1527  if (fAutoMove) {
1528    return;
1529  }
1530
1531  fLastPos3 = fLastPos2;
1532  fLastPos2 = fLastPos1;
1533  fLastPos1 = QPoint(event->x(), event->y());
1534
1535  int deltaX = fLastPos2.x()-fLastPos1.x();
1536  int deltaY = fLastPos2.y()-fLastPos1.y();
1537
1538  if (fMouseAction == STYLE1) {  // rotate
1539    if (mButtons & Qt::LeftButton) {
1540      rotateQtScene(deltaX,deltaY);
1541    }
1542  } else if (fMouseAction == STYLE2) {  // move
1543    if (mButtons & Qt::LeftButton) {
1544      moveScene(-deltaX,-deltaY,0,true);
1545    }
1546  }
1547
1548  fLastEventTime->start();
1549}
1550
1551
1552/**
1553   Move the scene of dx, dy, dz values.
1554   @param dx delta mouse x position
1555   @param dy delta mouse y position
1556   @param mouseMove : true if even comes from a mouse move, false if even comes from key action
1557*/
1558
1559void G4OpenGLQtViewer::moveScene(float dx,float dy, float dz,bool mouseMove)
1560{
1561  if (fHoldMoveEvent)
1562    return;
1563  fHoldMoveEvent = true;
1564
1565  G4double coefTrans = 0;
1566  GLdouble coefDepth = 0;
1567  if(mouseMove) {
1568    coefTrans = ((G4double)getSceneNearWidth())/((G4double)fWinSize_x);
1569    if (fWinSize_y <fWinSize_x) {
1570      coefTrans = ((G4double)getSceneNearWidth())/((G4double)fWinSize_y);
1571    }
1572  } else {
1573    coefTrans = getSceneNearWidth()*fDeltaSceneTranslation;
1574    coefDepth = getSceneDepth()*fDeltaDepth;
1575  }
1576  fVP.IncrementPan(-dx*coefTrans,dy*coefTrans,dz*coefDepth);
1577  emit moveX(-dx*coefTrans);
1578  emit moveY(dy*coefTrans);
1579  emit moveZ(dz*coefTrans);
1580 
1581  updateQWidget();
1582  if (fAutoMove)
1583    ((QApplication*)G4Qt::getInstance ())->processEvents();
1584 
1585  fHoldMoveEvent = false;
1586}
1587
1588
1589/**
1590   @param dx delta mouse x position
1591   @param dy delta mouse y position
1592*/
1593
1594void G4OpenGLQtViewer::rotateQtScene(float dx, float dy)
1595{
1596  if (fHoldRotateEvent)
1597    return;
1598  fHoldRotateEvent = true;
1599 
1600  if( dx != 0) {
1601    rotateScene(dx,0,fDeltaRotation);
1602    emit rotateTheta(dx);
1603  }
1604  if( dy != 0) {
1605    rotateScene(0,dy,fDeltaRotation);
1606    emit rotatePhi(dy);
1607  }
1608  updateQWidget();
1609 
1610  fHoldRotateEvent = false;
1611}
1612
1613/**
1614   @param dx delta mouse x position
1615   @param dy delta mouse y position
1616*/
1617
1618void G4OpenGLQtViewer::rotateQtCamera(float dx, float dy)
1619{
1620  if (fHoldRotateEvent)
1621    return;
1622  fHoldRotateEvent = true;
1623
1624  rotateScene(dx,dy,fDeltaRotation);
1625  emit rotateTheta(dx);
1626  emit rotatePhi(dy);
1627  updateQWidget();
1628 
1629  fHoldRotateEvent = false;
1630}
1631
1632
1633
1634
1635/** This is the benning of a rescale function. It does nothing for the moment
1636    @param aWidth : new width
1637    @param aHeight : new height
1638*/
1639void G4OpenGLQtViewer::rescaleImage(
1640 int aWidth
1641,int aHeight
1642){
1643  //  GLfloat* feedback_buffer;
1644  //  GLint returned;
1645  //  FILE* file;
1646 
1647//   feedback_buffer = new GLfloat[size];
1648//   glFeedbackBuffer (size, GL_3D_COLOR, feedback_buffer);
1649//   glRenderMode (GL_FEEDBACK);
1650 
1651//   DrawView();
1652//   returned = glRenderMode (GL_RENDER);
1653
1654}
1655
1656
1657
1658/**
1659   Generate Postscript or PDF form image
1660   @param aFilename : name of file
1661   @param aInColor : numbers of colors : 1->BW 2->RGB
1662   @param aImage : Image to print
1663*/
1664bool G4OpenGLQtViewer::printPDF (
1665 const std::string aFilename
1666,int aInColor
1667,QImage aImage
1668)
1669{
1670
1671#if QT_VERSION < 0x040000
1672#ifdef Q_WS_MAC || Q_WS_X11
1673  QPrinter printer;
1674  //  printer.setPageSize(pageSize);
1675  if (aInColor == 1) {
1676    printer.setColorMode(QPrinter::GrayScale);
1677  } else {
1678    printer.setColorMode(QPrinter::Color);
1679  }
1680
1681  /* FIXME : I don't know which format it will save...
1682     if (aFilename.endsWith(".ps")) {
1683     printer.setOutputFormat(QPrinter::PostScriptFormat);
1684     } else {
1685     printer.setOutputFormat(QPrinter::PdfFormat);
1686     }
1687  */
1688  printer.setOutputFileName(aFilename);
1689  //  printer.setFullPage ( true);
1690  QPainter paint(&printer);
1691  paint.drawImage (0,0,aImage );
1692  paint.end();
1693#else
1694  G4cerr << "This fonction is only supported on Mac OsX or X11 with Qt3. Full platform supported with Qt4" << G4endl;
1695#endif
1696#else
1697  QPrinter printer;
1698  //  printer.setPageSize(pageSize);
1699
1700  // FIXME : L. Garnier 4/12/07
1701  // This is not working, it does nothing. Image is staying in color mode
1702  // So I have desactivate the B/W button in GUI
1703  if ((!aImage.isGrayscale ()) &&(aInColor ==1 )) {
1704#if QT_VERSION < 0x040000
1705    aImage = aImage.convertDepth(1,Qt::MonoOnly);
1706#else
1707    aImage = aImage.convertToFormat ( aImage.format(), Qt::MonoOnly);
1708#endif
1709  }
1710
1711
1712  if (aFilename.substr(aFilename.size()-3) == ".ps") {
1713#if QT_VERSION > 0x040200
1714    printer.setOutputFormat(QPrinter::PostScriptFormat);
1715#endif
1716  } else {
1717#if QT_VERSION > 0x040100
1718    printer.setOutputFormat(QPrinter::PdfFormat);
1719#endif
1720  }
1721#if QT_VERSION > 0x040100
1722  printer.setOutputFileName(QString(aFilename.c_str()));
1723#endif
1724  //  printer.setFullPage ( true);
1725  QPainter paint(&printer);
1726  paint.drawImage (0,0,aImage);
1727  paint.end();
1728#endif
1729  return true;
1730}
1731
1732
1733void G4OpenGLQtViewer::G4wheelEvent (QWheelEvent * event)
1734{
1735  fVP.SetZoomFactor(fVP.GetZoomFactor()+(fVP.GetZoomFactor()*(event->delta())/1200));
1736  updateQWidget();
1737}
1738
1739
1740void G4OpenGLQtViewer::G4keyPressEvent (QKeyEvent * event)
1741{
1742  if (fHoldKeyEvent)
1743    return;
1744
1745  fHoldKeyEvent = true;
1746
1747#if QT_VERSION < 0x040000
1748  if ((event->key() == Qt::Key_Down) && (event->state() & Qt::AltButton )) { // go backward
1749#else
1750  if ((event->key() == Qt::Key_Down) && (event->modifiers() & Qt::AltModifier )) { // go backward
1751#endif
1752   
1753    moveScene(0,0,1,false);
1754  }
1755#if QT_VERSION < 0x040000
1756  else if ((event->key() == Qt::Key_Up) && (event->state() & Qt::AltButton)) { // go forward
1757#else
1758  else if ((event->key() == Qt::Key_Up) && (event->modifiers() & Qt::AltModifier)) { // go forward
1759#endif
1760    moveScene(0,0,-1,false);
1761  }
1762#if QT_VERSION < 0x040000
1763  if ((event->key() == Qt::Key_Down) && (event->state() & Qt::ShiftButton)) { // rotate phi
1764#else
1765  if ((event->key() == Qt::Key_Down) && (event->modifiers() & Qt::ShiftModifier)) { // rotate phi
1766#endif
1767    rotateQtCamera(0,-1);
1768  }
1769#if QT_VERSION < 0x040000
1770  else if ((event->key() == Qt::Key_Up) && (event->state() & Qt::ShiftButton)) { // rotate phi
1771#else
1772  else if ((event->key() == Qt::Key_Up) && (event->modifiers() & Qt::ShiftModifier)) { // rotate phi
1773#endif
1774    rotateQtCamera(0,1);
1775  }
1776#if QT_VERSION < 0x040000
1777  if ((event->key() == Qt::Key_Left) && (event->state() & Qt::ShiftButton)) { // rotate theta
1778#else
1779  if ((event->key() == Qt::Key_Left) && (event->modifiers() & Qt::ShiftModifier)) { // rotate theta
1780#endif
1781    rotateQtCamera(1,0);
1782  }
1783#if QT_VERSION < 0x040000
1784  else if ((event->key() == Qt::Key_Right) && (event->state() & Qt::ShiftButton)) { // rotate theta
1785#else
1786  else if ((event->key() == Qt::Key_Right) && (event->modifiers() & Qt::ShiftModifier)) { // rotate theta
1787#endif
1788    rotateQtCamera(-1,0);
1789  }
1790
1791#if QT_VERSION < 0x040000
1792  if ((event->state() & Qt::AltButton)) {
1793#else
1794  if ((event->modifiers() & Qt::AltModifier)) {
1795#endif
1796    if (event->key() == Qt::Key_Plus) {
1797      fDeltaRotation = fDeltaRotation/0.7;
1798    }
1799    else if (event->key() == Qt::Key_Minus) {
1800      fDeltaRotation = fDeltaRotation*0.7;
1801    }
1802  } else {
1803    if (event->key() == Qt::Key_Plus) {
1804      fVP.SetZoomFactor(fVP.GetZoomFactor()*(1+fDeltaZoom));
1805      updateQWidget();
1806    }
1807    else if (event->key() == Qt::Key_Minus) {
1808      fVP.SetZoomFactor(fVP.GetZoomFactor()*(1-fDeltaZoom));
1809      updateQWidget();
1810    }
1811  }
1812 
1813 
1814  if (event->key() == Qt::Key_Escape) { // escaped from full screen
1815#if QT_VERSION >= 0x030200
1816      toggleFullScreen(false);
1817#endif
1818  }
1819  // several case here : If return is pressed, in every case -> display the movie parameters dialog
1820  // If one parameter is wrong -> put it in red (only save filenam could be wrong..)
1821  // If encoder not found-> does nothing.Only display a message in status box
1822  // If all ok-> generate parameter file
1823  // If ok -> put encoder button enabled
1824 
1825  if ((event->key() == Qt::Key_Return) || (event->key() == Qt::Key_Enter)){ // end of video
1826   stopVideo();
1827  }
1828  if (event->key() == Qt::Key_Space){ // start/pause of video
1829   startPauseVideo();
1830  }
1831
1832  // with no modifiers
1833#if QT_VERSION < 0x040000
1834  if (event->state() == Qt::NoButton) {
1835#else
1836  if ((event->modifiers() == Qt::NoModifier) || (event->modifiers() == Qt::KeypadModifier )) {
1837#endif
1838    if (event->key() == Qt::Key_Down) { // go down
1839      moveScene(0,1,0,false);
1840    }
1841    else if (event->key() == Qt::Key_Up) {  // go up
1842      moveScene(0,-1,0,false);
1843    }
1844    if (event->key() == Qt::Key_Left) { // go left
1845      moveScene(-1,0,0,false);
1846    }
1847    else if (event->key() == Qt::Key_Right) { // go right
1848      moveScene(1,0,0,false);
1849    }
1850  }
1851  fHoldKeyEvent = false;
1852}
1853 
1854
1855/** Stop the video. Check all parameters and enable encoder button if all is ok.
1856*/
1857void G4OpenGLQtViewer::stopVideo() {
1858
1859 // if encoder parameter is wrong, display parameters dialog and return
1860  if (!fMovieParametersDialog) {
1861    showMovieParametersDialog();
1862  }
1863  setRecordingStatus(STOP);
1864
1865  if (fRecordFrameNumber >0) {
1866    // check parameters if they were modified (Re APPLY them...)
1867    if (!(fMovieParametersDialog->checkEncoderSwParameters())) {
1868      setRecordingStatus(BAD_ENCODER);
1869    }  else if (!(fMovieParametersDialog->checkSaveFileNameParameters())) {
1870      setRecordingStatus(BAD_OUTPUT);
1871    }
1872  } else {
1873    resetRecording();
1874    setRecordingInfos("No frame to encode.");
1875  }
1876}
1877
1878/** Stop the video. Check all parameters and enable encoder button if all is ok.
1879*/
1880void G4OpenGLQtViewer::saveVideo() {
1881
1882  // if encoder parameter is wrong, display parameters dialog and return
1883  if (!fMovieParametersDialog) {
1884    showMovieParametersDialog();
1885  }
1886
1887  fMovieParametersDialog->checkEncoderSwParameters();
1888  fMovieParametersDialog->checkSaveFileNameParameters();
1889 
1890  if (fRecordingStep == STOP) {
1891    setRecordingStatus(SAVE);
1892    generateMpegEncoderParameters();
1893    encodeVideo();
1894  }
1895}
1896
1897
1898/** Start/Pause the video..
1899*/
1900void G4OpenGLQtViewer::startPauseVideo() {
1901   
1902  // first time, if temp parameter is wrong, display parameters dialog and return
1903
1904  if (( fRecordingStep == WAIT)) {
1905    if ( fRecordFrameNumber == 0) {
1906      if (getTempFolderPath() == "") { // BAD_OUTPUT
1907        showMovieParametersDialog();
1908        setRecordingInfos("You should specified the temp folder in order to make movie");
1909        return;
1910      } else  {
1911        // remove temp folder if it was create
1912        QString tmp = removeTempFolder();
1913        if (tmp !="") {
1914          setRecordingInfos(tmp);
1915          return;
1916        }
1917        tmp = createTempFolder();
1918        if (tmp != "") {
1919          setRecordingInfos("Can't create temp folder."+tmp);
1920          return;
1921        }
1922      }
1923    }
1924  }
1925  if ((fRecordingStep == WAIT)) {
1926    setRecordingStatus(START);
1927  } else if (fRecordingStep == START) {
1928    setRecordingStatus(PAUSE);
1929  } else if (fRecordingStep == PAUSE) {
1930    setRecordingStatus(CONTINUE);
1931  } else if (fRecordingStep == CONTINUE) {
1932    setRecordingStatus(PAUSE);
1933  }
1934}
1935
1936void G4OpenGLQtViewer::setRecordingStatus(RECORDING_STEP step) {
1937
1938  fRecordingStep = step;
1939  displayRecordingStatus();
1940}
1941
1942
1943void G4OpenGLQtViewer::displayRecordingStatus() {
1944 
1945  QString txtStatus = "";
1946  if (fRecordingStep == WAIT) {
1947    txtStatus  = "Waiting to start...";
1948    fRecordFrameNumber = 0; // reset the frame number
1949  } else if (fRecordingStep == START) {
1950    txtStatus  = "Start Recording...";
1951  } else if (fRecordingStep == PAUSE) {
1952    txtStatus  = "Pause Recording...";
1953  } else if (fRecordingStep == CONTINUE) {
1954    txtStatus  = "Continue Recording...";
1955  } else if (fRecordingStep == STOP) {
1956    txtStatus  = "Stop Recording...";
1957  } else if (fRecordingStep == READY_TO_ENCODE) {
1958    txtStatus  = "Ready to Encode...";
1959  } else if (fRecordingStep == ENCODING) {
1960    txtStatus  = "Encoding...";
1961  } else if (fRecordingStep == FAILED) {
1962    txtStatus  = "Failed to encode...";
1963  } else if ((fRecordingStep == BAD_ENCODER)
1964         || (fRecordingStep == BAD_OUTPUT)
1965             || (fRecordingStep == BAD_TMP)) {
1966    txtStatus  = "Correct above errors first";
1967  } else if (fRecordingStep == SUCCESS) {
1968    txtStatus  = "File encoded successfully";
1969  } else {
1970  }
1971
1972  if (fMovieParametersDialog) {
1973    fMovieParametersDialog->setRecordingStatus(txtStatus);
1974  } else {
1975#if QT_VERSION < 0x040000
1976    G4cout << txtStatus.ascii() << G4endl;
1977#else
1978    G4cout << txtStatus.toStdString().c_str() << G4endl;
1979#endif
1980  }
1981  setRecordingInfos("");
1982}
1983
1984
1985void G4OpenGLQtViewer::setRecordingInfos(QString txt) {
1986  if (fMovieParametersDialog) {
1987    fMovieParametersDialog->setRecordingInfos(txt);
1988  } else {
1989#if QT_VERSION < 0x040000
1990    G4cout << txt.ascii() << G4endl;
1991#else
1992    G4cout << txt.toStdString().c_str() << G4endl;
1993#endif
1994  }
1995}
1996
1997/** Init the movie parameters. Temp dir and encoder path
1998*/
1999void G4OpenGLQtViewer::initMovieParameters() {
2000  //init encoder
2001 
2002   //look for encoderPath
2003     fProcess = new QProcess();
2004     
2005#if QT_VERSION < 0x040000
2006     QObject ::connect(fProcess,SIGNAL(processExited ()),
2007                       this,SLOT(processLookForFinished()));
2008     fProcess->setCommunication(QProcess::DupStderr);
2009     fProcess->setArguments(QStringList("which mpeg_encode"));
2010     fProcess->start();
2011#else
2012     QObject ::connect(fProcess,SIGNAL(finished ( int)),
2013                       this,SLOT(processLookForFinished()));
2014     fProcess->setReadChannelMode(QProcess::MergedChannels);
2015     fProcess->start ("which mpeg_encode");
2016#endif
2017 
2018}
2019
2020/** @return encoder path or "" if it does not exist
2021 */
2022QString G4OpenGLQtViewer::getEncoderPath() {
2023  return fEncoderPath;
2024}
2025 
2026
2027/**
2028 * set the new encoder path
2029 * @return "" if correct. The error otherwise
2030*/
2031QString G4OpenGLQtViewer::setEncoderPath(QString path) {
2032  if (path == "") {
2033    return "File does not exist";
2034  }
2035
2036#if QT_VERSION < 0x040000
2037  path =  QDir::cleanDirPath(path);
2038#else
2039  path =  QDir::cleanPath(path);
2040#endif
2041  QFileInfo *f = new QFileInfo(path);
2042  if (!f->exists()) {
2043    return "File does not exist";
2044  } else if (f->isDir()) {
2045    return "This is a directory";
2046  } else if (!f->isExecutable()) {
2047    return "File exist but is not executable";
2048  } else if (!f->isFile()) {
2049    return "This is not a file";
2050  }
2051  fEncoderPath = path;
2052
2053  if ((fRecordingStep == BAD_ENCODER)) {
2054    setRecordingStatus(STOP);
2055  }
2056  return "";
2057}
2058
2059
2060bool G4OpenGLQtViewer::isRecording(){
2061  if ((fRecordingStep == START) || (fRecordingStep == CONTINUE)) {
2062    return true;
2063  }
2064  return false;
2065}
2066
2067bool G4OpenGLQtViewer::isPaused(){
2068  if (fRecordingStep == PAUSE) {
2069    return true;
2070  }
2071  return false;
2072}
2073
2074bool G4OpenGLQtViewer::isEncoding(){
2075  if (fRecordingStep == ENCODING) {
2076    return true;
2077  }
2078  return false;
2079}
2080
2081bool G4OpenGLQtViewer::isWaiting(){
2082  if (fRecordingStep == WAIT) {
2083    return true;
2084  }
2085  return false;
2086}
2087
2088bool G4OpenGLQtViewer::isStopped(){
2089  if (fRecordingStep == STOP) {
2090    return true;
2091  }
2092  return false;
2093}
2094
2095bool G4OpenGLQtViewer::isFailed(){
2096  if (fRecordingStep == FAILED) {
2097    return true;
2098  }
2099  return false;
2100}
2101
2102bool G4OpenGLQtViewer::isSuccess(){
2103  if (fRecordingStep == SUCCESS) {
2104    return true;
2105  }
2106  return false;
2107}
2108
2109bool G4OpenGLQtViewer::isBadEncoder(){
2110  if (fRecordingStep == BAD_ENCODER) {
2111    return true;
2112  }
2113  return false;
2114}
2115bool G4OpenGLQtViewer::isBadTmp(){
2116  if (fRecordingStep == BAD_TMP) {
2117    return true;
2118  }
2119  return false;
2120}
2121bool G4OpenGLQtViewer::isBadOutput(){
2122  if (fRecordingStep == BAD_OUTPUT) {
2123    return true;
2124  }
2125  return false;
2126}
2127
2128void G4OpenGLQtViewer::setBadEncoder(){
2129  fRecordingStep = BAD_ENCODER;
2130  displayRecordingStatus();
2131}
2132void G4OpenGLQtViewer::setBadTmp(){
2133  fRecordingStep = BAD_TMP;
2134  displayRecordingStatus();
2135}
2136void G4OpenGLQtViewer::setBadOutput(){
2137  fRecordingStep = BAD_OUTPUT;
2138  displayRecordingStatus();
2139}
2140
2141void G4OpenGLQtViewer::setWaiting(){
2142  fRecordingStep = WAIT;
2143  displayRecordingStatus();
2144}
2145
2146
2147bool G4OpenGLQtViewer::isReadyToEncode(){
2148  if (fRecordingStep == READY_TO_ENCODE) {
2149    return true;
2150  }
2151  return false;
2152}
2153
2154void G4OpenGLQtViewer::resetRecording() {
2155    setRecordingStatus(WAIT);
2156}
2157
2158/**
2159 * set the temp folder path
2160 * @return "" if correct. The error otherwise
2161*/
2162QString G4OpenGLQtViewer::setTempFolderPath(QString path) {
2163
2164  if (path == "") {
2165    return "Path does not exist";
2166  }
2167#if QT_VERSION < 0x040000
2168  path =  QDir::cleanDirPath(path);
2169#else
2170  path =  QDir::cleanPath(path);
2171#endif
2172  QFileInfo *d = new QFileInfo(path);
2173  if (!d->exists()) {
2174    return "Path does not exist";
2175  } else if (!d->isDir()) {
2176    return "This is not a directory";
2177  } else if (!d->isReadable()) {
2178    return path +" is read protected";
2179  } else if (!d->isWritable()) {
2180    return path +" is write protected";
2181  }
2182 
2183  if ((fRecordingStep == BAD_TMP)) {
2184    setRecordingStatus(WAIT);
2185  }
2186  fTempFolderPath = path;
2187  return "";
2188}
2189
2190/** @return the temp folder path or "" if it does not exist
2191 */
2192QString G4OpenGLQtViewer::getTempFolderPath() {
2193  return fTempFolderPath;
2194}
2195 
2196/**
2197 * set the save file name path
2198 * @return "" if correct. The error otherwise
2199*/
2200QString G4OpenGLQtViewer::setSaveFileName(QString path) {
2201
2202  if (path == "") {
2203    return "Path does not exist";
2204  }
2205 
2206  QFileInfo *file = new QFileInfo(path);
2207  QDir dir = file->dir();
2208#if QT_VERSION < 0x040000
2209  path =  QDir::cleanDirPath(path);
2210#else
2211  path =  QDir::cleanPath(path);
2212#endif
2213  if (file->exists()) {
2214    return "File already exist, please choose a new one";
2215  } else if (!dir.exists()) {
2216    return "Dir does not exist";
2217  } else if (!dir.isReadable()) {
2218    return path +" is read protected";
2219  }
2220 
2221  if ((fRecordingStep == BAD_OUTPUT)) {
2222    setRecordingStatus(STOP);
2223  }
2224  fSaveFileName = path;
2225  return "";
2226}
2227
2228/** @return the save file path
2229 */
2230QString G4OpenGLQtViewer::getSaveFileName() {
2231  return fSaveFileName ;
2232}
2233
2234/** Create a Qt_temp folder in the temp folder given
2235* The temp folder will be like this /tmp/QtMovie_12-02-2008_12_12_58/
2236* @return "" if success. Error message if not.
2237*/
2238QString G4OpenGLQtViewer::createTempFolder() {
2239  fMovieTempFolderPath = "";
2240  //check
2241  QString tmp = setTempFolderPath(fTempFolderPath);
2242  if (tmp != "") {
2243    return tmp;
2244  }
2245#if QT_VERSION < 0x040000
2246  QString sep = QChar(QDir::separator());
2247#else
2248  QString sep = QString(QDir::separator());
2249#endif
2250  QString path = sep+"QtMovie_"+QDateTime::currentDateTime ().toString("dd-MM-yyyy_hh-mm-ss")+sep;
2251#if QT_VERSION < 0x040000
2252  QDir *d = new QDir(QDir::cleanDirPath(fTempFolderPath));
2253#else
2254  QDir *d = new QDir(QDir::cleanPath(fTempFolderPath));
2255#endif
2256  // check if it is already present
2257  if (d->exists(path)) {
2258    return "Folder "+path+" already exists.Please remove it first";
2259  }
2260  if (d->mkdir(fTempFolderPath+path)) {
2261    fMovieTempFolderPath = fTempFolderPath+path;
2262    return "";
2263  } else {
2264    return "Can't create "+fTempFolderPath+path;
2265  }
2266  return "-";
2267}
2268
2269/** Remove the Qt_temp folder in the temp folder
2270*/
2271QString G4OpenGLQtViewer::removeTempFolder() {
2272        // remove files in Qt_temp folder
2273  if (fMovieTempFolderPath == "") {
2274    return "";
2275  }
2276#if QT_VERSION < 0x040000
2277  QDir *d = new QDir(QDir::cleanDirPath(fMovieTempFolderPath));
2278#else
2279  QDir *d = new QDir(QDir::cleanPath(fMovieTempFolderPath));
2280#endif
2281  if (!d->exists()) {
2282    return "";  // already remove
2283  }
2284
2285  d->setFilter( QDir::Files );
2286  QStringList subDirList = d->entryList();
2287  int res = true;
2288  QString error = "";
2289  for (QStringList::ConstIterator it = subDirList.begin() ;(it != subDirList.end()) ; it++) {
2290    const QString currentFile = *it;
2291      if (!d->remove(currentFile)) {
2292        res = false;
2293        QString file = fMovieTempFolderPath+currentFile;
2294        error +="Removing file failed : "+file;
2295      } else {
2296      }
2297  }
2298  if (res) {
2299    if (d->rmdir(fMovieTempFolderPath)) {
2300      fMovieTempFolderPath = "";
2301      return "";
2302    } else {
2303      return "Dir "+fMovieTempFolderPath+" should be empty, but could not remove it";
2304    }
2305
2306  }
2307  return "Could not remove "+fMovieTempFolderPath+" because of the following errors :"+error;
2308}
2309
2310
2311
2312bool G4OpenGLQtViewer::hasPendingEvents () {
2313  return ((QApplication*)G4Qt::getInstance ())->hasPendingEvents ();
2314}
2315
2316bool G4OpenGLQtViewer::generateMpegEncoderParameters () {
2317
2318                // save the parameter file
2319  FILE* fp;
2320#if QT_VERSION < 0x040000
2321  fp = fopen (QString(fMovieTempFolderPath+fParameterFileName).ascii(), "w");
2322#else
2323  fp = fopen (QString(fMovieTempFolderPath+fParameterFileName).toStdString().c_str(), "w");
2324#endif
2325
2326  if (fp == NULL) {
2327    setRecordingInfos("Generation of parameter file failed");
2328    return false;
2329  }
2330
2331  fprintf (fp,"# parameter file template with lots of comments to assist you\n");
2332  fprintf (fp,"#\n");
2333  fprintf (fp,"# you can use this as a template, copying it to a separate file then modifying\n");
2334  fprintf (fp,"# the copy\n");
2335  fprintf (fp,"#\n");
2336  fprintf (fp,"#\n");
2337  fprintf (fp,"# any line beginning with '#' is a comment\n");
2338  fprintf (fp,"#\n");
2339  fprintf (fp,"# no line should be longer than 255 characters\n");
2340  fprintf (fp,"#\n");
2341  fprintf (fp,"#\n");
2342  fprintf (fp,"# general format of each line is:\n");
2343  fprintf (fp,"#          \n");
2344  fprintf (fp,"#\n");
2345  fprintf (fp,"# lines can generally be in any order\n");
2346  fprintf (fp,"#\n");
2347  fprintf (fp,"# an exception is the option 'INPUT' which must be followed by input\n");
2348  fprintf (fp,"# files in the order in which they must appear, followed by 'END_INPUT'\n");
2349  fprintf (fp,"#\n");
2350  fprintf (fp,"# Also, if you use the `command` method of generating input file names,\n");
2351  fprintf (fp,"# the command will only be executed in the INPUT_DIR if INPUT_DIR preceeds\n");
2352  fprintf (fp,"# the INPUT parameter.\n");
2353  fprintf (fp,"#\n");
2354  fprintf (fp,"#  MUST be in UPPER CASE\n");
2355  fprintf (fp,"#\n");
2356  fprintf (fp,"\n");
2357  fprintf (fp,"# Pattern affects speed, quality and compression. See the User's Guide\n");
2358  fprintf (fp,"# for more info.\n");
2359  fprintf (fp,"\n");
2360  fprintf (fp,"PATTERN          IBBPBBPBBPBBPBBP\n");
2361#if QT_VERSION < 0x040000
2362  fprintf (fp,"OUTPUT           %s\n",getSaveFileName().ascii());
2363#else
2364  fprintf (fp,"OUTPUT           %s\n",getSaveFileName().toStdString().c_str());
2365#endif
2366  fprintf (fp,"\n");
2367  fprintf (fp,"# mpeg_encode really only accepts 3 different file formats, but using a\n");
2368  fprintf (fp,"# conversion statement it can effectively handle ANY file format\n");
2369  fprintf (fp,"#\n");
2370  fprintf (fp,"# You must specify the type of the input files.  The choices are:\n");
2371  fprintf (fp,"#    YUV, PPM, JMOVIE, Y, JPEG, PNM\n");
2372  fprintf (fp,"#        (must be upper case)\n");
2373  fprintf (fp,"#\n");
2374  fprintf (fp,"BASE_FILE_FORMAT PPM\n");
2375  fprintf (fp,"\n");
2376  fprintf (fp,"#\n");
2377  fprintf (fp,"# if YUV format (or using parallel version), must provide width and height\n");
2378  fprintf (fp,"# YUV_SIZE       widthxheight\n");
2379  fprintf (fp,"# this option is ignored if BASE_FILE_FORMAT is not YUV and you're running\n");
2380  fprintf (fp,"# on just one machine\n");
2381  fprintf (fp,"#\n");
2382  fprintf (fp,"YUV_SIZE 352x240\n");
2383  fprintf (fp,"\n");
2384  fprintf (fp,"# If you are using YUV, there are different supported file formats.\n");
2385  fprintf (fp,"# EYUV or UCB are the same as previous versions of this encoder.\n");
2386  fprintf (fp,"# (All the Y's, then U's then V's, in 4:2:0 subsampling.)\n");
2387  fprintf (fp,"# Other formats, such as Abekas, Phillips, or a general format are\n");
2388  fprintf (fp,"# permissible, the general format is a string of Y's, U's, and V's\n");
2389  fprintf (fp,"# to specify the file order.\n");
2390  fprintf (fp,"\n");
2391  fprintf (fp,"INPUT_FORMAT UCB\n");
2392  fprintf (fp,"\n");
2393  fprintf (fp,"# the conversion statement\n");
2394  fprintf (fp,"#\n");
2395  fprintf (fp,"# Each occurrence of '*' will be replaced by the input file\n");
2396  fprintf (fp,"#\n");
2397  fprintf (fp,"# e.g., if you have a bunch of GIF files, then this might be:\n");
2398  fprintf (fp,"#        INPUT_CONVERT   giftoppm *\n");
2399  fprintf (fp,"#\n");
2400  fprintf (fp,"# e.g., if you have a bunch of files like a.Y a.U a.V, etc., then:\n");
2401  fprintf (fp,"#        INPUT_CONVERT   cat *.Y *.U *.V\n");
2402  fprintf (fp,"#\n");
2403  fprintf (fp,"# e.g., if you are grabbing from laser disc you might have something like\n");
2404  fprintf (fp,"#        INPUT_CONVERT   goto frame *; grabppm\n");
2405  fprintf (fp,"# 'INPUT_CONVERT *' means the files are already in the base file format\n");
2406  fprintf (fp,"#\n");
2407  fprintf (fp,"INPUT_CONVERT    * \n");
2408  fprintf (fp,"\n");
2409  fprintf (fp,"# number of frames in a GOP.\n");
2410  fprintf (fp,"#\n");
2411  fprintf (fp,"# since each GOP must have at least one I-frame, the encoder will find the\n");
2412  fprintf (fp,"# the first I-frame after GOP_SIZE frames to start the next GOP\n");
2413  fprintf (fp,"#\n");
2414  fprintf (fp,"# later, will add more flexible GOP signalling\n");
2415  fprintf (fp,"#\n");
2416  fprintf (fp,"GOP_SIZE 16\n");
2417  fprintf (fp,"\n");
2418  fprintf (fp,"# number of slices in a frame\n");
2419  fprintf (fp,"#\n");
2420  fprintf (fp,"# 1 is a good number.  another possibility is the number of macroblock rows\n");
2421  fprintf (fp,"# (which is the height divided by 16)\n");
2422  fprintf (fp,"#\n");
2423  fprintf (fp,"SLICES_PER_FRAME 1\n");
2424  fprintf (fp,"\n");
2425  fprintf (fp,"# directory to get all input files from (makes this file easier to read)\n");
2426#if QT_VERSION < 0x040000
2427  fprintf (fp,"INPUT_DIR        %s\n",fMovieTempFolderPath.ascii());
2428#else
2429  fprintf (fp,"INPUT_DIR        %s\n",fMovieTempFolderPath.toStdString().c_str());
2430#endif
2431  fprintf (fp,"\n");
2432  fprintf (fp,"# There are a bunch of ways to specify the input files.\n");
2433  fprintf (fp,"# from a simple one-per-line listing, to the following \n");
2434  fprintf (fp,"# way of numbering them.  See the manual for more information.\n");
2435  fprintf (fp,"INPUT\n");
2436  fprintf (fp,"# '*' is replaced by the numbers 01, 02, 03, 04\n");
2437  fprintf (fp,"# if I instead do [01-11], it would be 01, 02, ..., 09, 10, 11\n");
2438  fprintf (fp,"# if I instead do [1-11], it would be 1, 2, 3, ..., 9, 10, 11\n");
2439  fprintf (fp,"# if I instead do [1-11+3], it would be 1, 4, 7, 10\n");
2440  fprintf (fp,"# the program assumes none of your input files has a name ending in ']'\n");
2441  fprintf (fp,"# if you do, too bad!!!\n");
2442  fprintf (fp,"#\n");
2443  fprintf (fp,"#\n");
2444  fprintf (fp,"Test*.ppm        [0-%d]\n",fRecordFrameNumber-1);
2445  fprintf (fp,"# can have more files here if you want...there is no limit on the number\n");
2446  fprintf (fp,"# of files\n");
2447  fprintf (fp,"END_INPUT\n");
2448  fprintf (fp,"\n");
2449  fprintf (fp,"\n");
2450  fprintf (fp,"\n");
2451  fprintf (fp,"# Many of the remaining options have to do with the motion search and qscale\n");
2452  fprintf (fp,"\n");
2453  fprintf (fp,"# FULL or HALF -- must be upper case\n");
2454  fprintf (fp,"# Should be FULL for computer generated images\n");
2455  fprintf (fp,"PIXEL            FULL\n");
2456  fprintf (fp,"\n");
2457  fprintf (fp,"# means +/- this many pixels for both P and B frame searches\n");
2458  fprintf (fp,"# specify two numbers if you wish to serc different ranges in the two.\n");
2459  fprintf (fp,"RANGE            10\n");
2460  fprintf (fp,"\n");
2461  fprintf (fp,"# The two search algorithm parameters below mostly affect speed,\n");
2462  fprintf (fp,"# with some affect on compression and almost none on quality.\n");
2463  fprintf (fp,"\n");
2464  fprintf (fp,"# this must be one of {EXHAUSTIVE, SUBSAMPLE, LOGARITHMIC}\n");
2465  fprintf (fp,"PSEARCH_ALG      LOGARITHMIC\n");
2466  fprintf (fp,"\n");
2467  fprintf (fp,"# this must be one of {SIMPLE, CROSS2, EXHAUSTIVE}\n");
2468  fprintf (fp,"#\n");
2469  fprintf (fp,"# note that EXHAUSTIVE is really, really, really slow\n");
2470  fprintf (fp,"#\n");
2471  fprintf (fp,"BSEARCH_ALG      SIMPLE\n");
2472  fprintf (fp,"\n");
2473  fprintf (fp,"#\n");
2474  fprintf (fp,"# these specify the q-scale for I, P, and B frames\n");
2475  fprintf (fp,"# (values must be between 1 and 31)\n");
2476  fprintf (fp,"# These are the Qscale values for the entire frame in variable bit-rate\n");
2477  fprintf (fp,"# mode, and starting points (but not important) for constant bit rate\n");
2478  fprintf (fp,"#\n");
2479  fprintf (fp,"\n");
2480  fprintf (fp,"# Qscale (Quantization scale) affects quality and compression,\n");
2481  fprintf (fp,"# but has very little effect on speed.\n");
2482  fprintf (fp,"\n");
2483  fprintf (fp,"IQSCALE          4\n");
2484  fprintf (fp,"PQSCALE          5\n");
2485  fprintf (fp,"BQSCALE          12\n");
2486  fprintf (fp,"\n");
2487  fprintf (fp,"# this must be ORIGINAL or DECODED\n");
2488  fprintf (fp,"REFERENCE_FRAME  ORIGINAL\n");
2489  fprintf (fp,"\n");
2490  fprintf (fp,"# for parallel parameters see parallel.param in the exmaples subdirectory\n");
2491  fprintf (fp,"\n");
2492  fprintf (fp,"# if you want constant bit-rate mode, specify it as follows (number is bits/sec):\n");
2493  fprintf (fp,"#BIT_RATE  1000000\n");
2494  fprintf (fp,"\n");
2495  fprintf (fp,"# To specify the buffer size (327680 is default, measused in bits, for 16bit words)\n");
2496  fprintf (fp,"BUFFER_SIZE 327680\n");
2497  fprintf (fp,"\n");
2498  fprintf (fp,"# The frame rate is the number of frames/second (legal values:\n");
2499  fprintf (fp,"# 23.976, 24, 25, 29.97, 30, 50 ,59.94, 60\n");
2500  fprintf (fp,"FRAME_RATE 30\n");
2501  fprintf (fp,"\n");
2502  fprintf (fp,"# There are many more options, see the users manual for examples....\n");
2503  fprintf (fp,"# ASPECT_RATIO, USER_DATA, GAMMA, IQTABLE, etc.\n");
2504  fprintf (fp,"\n");
2505  fprintf (fp,"\n");
2506  fclose (fp);
2507
2508  setRecordingInfos("Parameter file "+fParameterFileName+" generated in "+fMovieTempFolderPath);
2509  setRecordingStatus(READY_TO_ENCODE);
2510  return true;
2511}
2512
2513void G4OpenGLQtViewer::encodeVideo()
2514{
2515  if ((getEncoderPath() != "") && (getSaveFileName() != "")) {
2516    setRecordingStatus(ENCODING);
2517   
2518#if QT_VERSION < 0x040000
2519    QStringList args = QStringList(fEncoderPath);
2520    args.push_back(fMovieTempFolderPath+fParameterFileName);
2521    fProcess = new QProcess(args);
2522    QObject ::connect(fProcess,SIGNAL(processExited ()),
2523                      this,SLOT(processEncodeFinished()));
2524    QObject ::connect(fProcess,SIGNAL(readyReadStdout ()),
2525                      this,SLOT(processEncodeStdout()));
2526    fProcess->setCommunication(QProcess::DupStderr);
2527    fProcess->launch("");
2528#else
2529    fProcess = new QProcess();
2530#if QT_VERSION > 0x040100
2531    QObject ::connect(fProcess,SIGNAL(finished ( int,QProcess::ExitStatus)),
2532                      this,SLOT(processEncodeFinished()));
2533    QObject ::connect(fProcess,SIGNAL(readyReadStandardOutput ()),
2534                      this,SLOT(processEncodeStdout()));
2535#else
2536    QObject ::connect(fProcess,SIGNAL(finished ( int)),
2537                      this,SLOT(processEncodeFinished()));
2538    QObject ::connect(fProcess,SIGNAL(readyReadStandardOutput ()),
2539                      this,SLOT(processEncodeStdout()));
2540#endif
2541    fProcess->setReadChannelMode(QProcess::MergedChannels);
2542    fProcess->start (fEncoderPath, QStringList(fMovieTempFolderPath+fParameterFileName));
2543#endif
2544  }
2545}
2546
2547
2548// FIXME : does not work on Qt3
2549void G4OpenGLQtViewer::processEncodeStdout()
2550{
2551#if QT_VERSION > 0x040000
2552  QString tmp = fProcess->readAllStandardOutput ().data();
2553  int start = tmp.lastIndexOf("ESTIMATED TIME");
2554  tmp = tmp.mid(start,tmp.indexOf("\n",start)-start);
2555#else
2556  QString tmp = fProcess->readStdout ().data();
2557  int start = tmp.findRev("ESTIMATED TIME");
2558  tmp = tmp.mid(start,tmp.find("\n",start)-start);
2559#endif
2560  setRecordingInfos(tmp);
2561}
2562
2563
2564void G4OpenGLQtViewer::processEncodeFinished()
2565{
2566
2567  QString txt = "";
2568  txt = getProcessErrorMsg();
2569  if (txt == "") {
2570    setRecordingStatus(SUCCESS);
2571  } else {
2572    setRecordingStatus(FAILED);
2573  }
2574  //  setRecordingInfos(txt+removeTempFolder());
2575}
2576
2577
2578void G4OpenGLQtViewer::processLookForFinished()
2579 {
2580
2581  QString txt = getProcessErrorMsg();
2582  if (txt != "") {
2583    fEncoderPath = "";
2584  } else {
2585#if QT_VERSION > 0x040000
2586    fEncoderPath = QString(fProcess->readAllStandardOutput ().data()).trimmed();
2587#else
2588    fEncoderPath = QString(fProcess->readStdout ().data()).simplifyWhiteSpace();
2589#endif
2590    // if not found, return "not found"
2591    if (fEncoderPath.contains(" ")) {
2592      fEncoderPath = "";
2593    } else if (!fEncoderPath.contains("mpeg_encode")) {
2594      fEncoderPath = "";
2595    }
2596    setEncoderPath(fEncoderPath);
2597  }
2598  // init temp folder
2599#if QT_VERSION > 0x040000
2600  setTempFolderPath(QDir::temp ().absolutePath ());
2601#else
2602  // Let's have a try
2603  setTempFolderPath("/tmp/");
2604#endif
2605}
2606
2607
2608QString G4OpenGLQtViewer::getProcessErrorMsg()
2609{
2610  QString txt = "";
2611#if QT_VERSION < 0x040000
2612  if (!fProcess->normalExit ()) {
2613    txt = "Exist status "+ fProcess->exitStatus ();
2614  }
2615#else
2616  if (fProcess->exitCode() != 0) {
2617    switch (fProcess->error()) {
2618    case QProcess::FailedToStart:
2619      txt = "The process failed to start. Either the invoked program is missing, or you may have insufficient permissions to invoke the program.\n";
2620      break;
2621    case QProcess::Crashed:
2622      txt = "The process crashed some time after starting successfully.\n";
2623      break;
2624    case QProcess::Timedout:
2625      txt = "The last waitFor...() function timed out. The state of QProcess is unchanged, and you can try calling waitFor...() again.\n";
2626      break;
2627    case QProcess::WriteError:
2628      txt = "An error occurred when attempting to write to the process. For example, the process may not be running, or it may have closed its input channel.\n";
2629      break;
2630    case QProcess::ReadError:
2631      txt = "An error occurred when attempting to read from the process. For example, the process may not be running.\n";
2632      break;
2633    case QProcess::UnknownError:
2634      txt = "An unknown error occurred. This is the default return value of error().\n";
2635      break;
2636    }
2637  }
2638#endif
2639   return txt;
2640}
2641
2642/*
2643 
2644void MultiLayer::exportToSVG(const QString& fname)
2645{
2646  QPicture picture;
2647  QPainter p(&picture);
2648  for (int i=0;i<(int)graphsList->count();i++)
2649    {
2650      Graph *gr=(Graph *)graphsList->at(i);
2651      Plot *myPlot= (Plot *)gr->plotWidget();
2652     
2653      QPoint pos=gr->pos();
2654     
2655      int width=int(myPlot->frameGeometry().width());
2656      int height=int(myPlot->frameGeometry().height());
2657     
2658      myPlot->print(&p, QRect(pos,QSize(width,height)));
2659    }
2660 
2661  p.end();
2662  picture.save(fname, "svg");
2663}
2664*/
2665#endif
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