source: trunk/source/visualization/OpenGL/src/G4OpenGLQtViewer.cc @ 995

Last change on this file since 995 was 976, checked in by garnier, 15 years ago

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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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25//
26//
27// $Id: G4OpenGLQtViewer.cc,v 1.39 2009/03/31 17:14:42 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      fPrintSizeX = exportDialog->getWidth();
1327      fPrintSizeY = exportDialog->getHeight();
1328      if ((format != QString("eps")) && (format != QString("ps"))) {
1329      G4cerr << "Export->Change Size : This function is not implemented, to export in another size, please resize your frame to what you need" << G4endl;
1330     
1331      //    rescaleImage(exportDialog->getWidth(),exportDialog->getHeight());// re-scale image
1332      //      QGLWidget* glResized = fWindow;
1333
1334      // FIXME :
1335      // L.Garnier : I've try to implement change size function, but the problem is
1336      // the renderPixmap function call the QGLWidget to resize and it doesn't draw
1337      // the content of this widget... It only draw the background.
1338
1339      //      fWindow->renderPixmap (exportDialog->getWidth()*2,exportDialog->getHeight()*2,true );
1340
1341      //      QPixmap pixmap = fWindow->renderPixmap ();
1342     
1343      //      image = pixmap->toImage();
1344      //      glResized->resize(exportDialog->getWidth()*2,exportDialog->getHeight()*2);
1345      //      image = glResized->grabFrameBuffer();
1346      }     
1347    } else {
1348      image = fWindow->grabFrameBuffer();
1349    }   
1350    if (format == QString("eps")) {
1351      fVectoredPs = exportDialog->getVectorEPS();
1352      printEPS();
1353    } else if (format == "ps") {
1354      fVectoredPs = true;
1355      printEPS();
1356    } else if (format == "pdf") {
1357
1358      res = printPDF(fPrintFilename,exportDialog->getNbColor(),image);
1359
1360    } else if ((format == "tif") ||
1361               (format == "tiff") ||
1362               (format == "jpg") ||
1363               (format == "jpeg") ||
1364               (format == "png") ||
1365               (format == "pbm") ||
1366               (format == "pgm") ||
1367               (format == "ppm") ||
1368               (format == "bmp") ||
1369               (format == "xbm") ||
1370               (format == "xpm")) {
1371#if QT_VERSION < 0x040000
1372      res = image.save(QString(fPrintFilename.c_str()),selectedFormat->ascii(),exportDialog->getSliderValue());
1373#else
1374      res = image.save(QString(fPrintFilename.c_str()),0,exportDialog->getSliderValue());
1375#endif
1376    } else {
1377      G4cerr << "This version of G4UI Could not generate the selected format" << G4endl;
1378    }
1379    if ((format == QString("eps")) && (format == QString("ps"))) {
1380      if (res == false) {
1381        G4cerr << "Error while saving file... "<<fPrintFilename.c_str()<< G4endl;
1382      } else {
1383        G4cout << "File "<<fPrintFilename.c_str()<<" has been saved " << G4endl;
1384      }
1385    }
1386   
1387  } else { // cancel selected
1388    return;
1389  }
1390 
1391}
1392
1393
1394void G4OpenGLQtViewer::actionMovieParameters() {
1395  showMovieParametersDialog();
1396}
1397
1398
1399void G4OpenGLQtViewer::showMovieParametersDialog() {
1400  if (!fMovieParametersDialog) {
1401    fMovieParametersDialog= new G4OpenGLQtMovieDialog(this,GLWindow);
1402    displayRecordingStatus();
1403    fMovieParametersDialog->checkEncoderSwParameters();
1404    fMovieParametersDialog->checkSaveFileNameParameters();
1405    fMovieParametersDialog->checkTempFolderParameters();
1406    if (getEncoderPath() == "") {
1407      setRecordingInfos("mpeg_encode is needed to encode in video format. It is available here: http://bmrc.berkeley.edu/frame/research/mpeg/");
1408    }
1409  }
1410  fMovieParametersDialog->show();
1411}
1412
1413
1414/*
1415// 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
1416
1417void Graph::exportToSVG(const QString& fname)
1418{
1419  // enable workaround for Qt3 misalignments
1420  QwtPainter::setSVGMode(true);
1421  QPicture picture;
1422  QPainter p(&picture);
1423  d_plot->print(&p, d_plot->rect());
1424  p.end();
1425
1426  picture.save(fname, "svg");
1427}
1428*/
1429
1430
1431
1432void G4OpenGLQtViewer::FinishView()
1433{
1434   glFlush ();
1435   fWindow->swapBuffers ();
1436}
1437
1438/**
1439   Save the current mouse press point
1440   @param p mouse click point
1441*/
1442void G4OpenGLQtViewer::G4MousePressEvent(QMouseEvent *event)
1443{
1444#if QT_VERSION < 0x040000
1445  if ((event->button() & Qt::LeftButton)
1446      && !((event->state() & Qt::ShiftButton)
1447           || (event->state() & Qt::ControlButton)
1448           || (event->state() & Qt::AltButton)
1449           || (event->state() & Qt::MetaButton))) {
1450#else
1451  if ((event->buttons() & Qt::LeftButton)
1452      && !((event->modifiers() & Qt::ShiftModifier)
1453           || (event->modifiers() & Qt::ControlModifier)
1454           || (event->modifiers() & Qt::AltModifier)
1455           || (event->modifiers() & Qt::MetaModifier))) {
1456#endif
1457    fWindow->setMouseTracking(true);
1458    fAutoMove = false; // stop automove
1459    fLastPos1 = event->pos();
1460    fLastPos2 = fLastPos1;
1461    fLastPos3 = fLastPos2;
1462    fLastEventTime->start();
1463    if (fMouseAction == STYLE3){  // pick
1464      Pick(event->pos().x(),event->pos().y());
1465    }
1466  }
1467}
1468
1469/**
1470*/
1471void G4OpenGLQtViewer::G4MouseReleaseEvent()
1472{
1473  fSpinningDelay = fLastEventTime->elapsed();
1474  QPoint delta = (fLastPos3-fLastPos1);
1475  if ((delta.x() == 0) && (delta.y() == 0)) {
1476    return;
1477  }
1478  if (fSpinningDelay < fLaunchSpinDelay ) {
1479    fAutoMove = true;
1480    QTime lastMoveTime;
1481    lastMoveTime.start();
1482    // try to addapt speed move/rotate looking to drawing speed
1483    int cycles = 4;
1484    while (fAutoMove) {
1485      //      if ( lastMoveTime.elapsed() > (fSpinningDelay / (cycles/2))) {
1486        if (fMouseAction == STYLE1) {  // rotate
1487          rotateQtScene(((float)delta.x())/cycles,((float)delta.y())/cycles);
1488        } else if (fMouseAction == STYLE2) {  // move
1489          moveScene(-((float)delta.x())/cycles,-((float)delta.y())/cycles,0,true);
1490        }
1491        lastMoveTime.start();
1492        cycles = 1 ;
1493      ((QApplication*)G4Qt::getInstance ())->processEvents();
1494      cycles ++ ;
1495    }
1496  }
1497  fWindow->setMouseTracking(false);
1498
1499}
1500
1501
1502void G4OpenGLQtViewer::G4MouseDoubleClickEvent()
1503{
1504  fWindow->setMouseTracking(true);
1505}
1506
1507
1508/**
1509   @param pos_x mouse x position
1510   @param pos_y mouse y position
1511   @param mButtons mouse button active
1512   @param mAutoMove true: apply this move till another evnt came, false :one time move
1513*/
1514
1515void G4OpenGLQtViewer::G4MouseMoveEvent(QMouseEvent *event)
1516{
1517 
1518#if QT_VERSION < 0x040000
1519  Qt::ButtonState mButtons = event->state();
1520#else
1521  Qt::MouseButtons mButtons = event->buttons();
1522#endif
1523
1524  if (fAutoMove) {
1525    return;
1526  }
1527
1528  fLastPos3 = fLastPos2;
1529  fLastPos2 = fLastPos1;
1530  fLastPos1 = QPoint(event->x(), event->y());
1531
1532  int deltaX = fLastPos2.x()-fLastPos1.x();
1533  int deltaY = fLastPos2.y()-fLastPos1.y();
1534
1535  if (fMouseAction == STYLE1) {  // rotate
1536    if (mButtons & Qt::LeftButton) {
1537      rotateQtScene(deltaX,deltaY);
1538    }
1539  } else if (fMouseAction == STYLE2) {  // move
1540    if (mButtons & Qt::LeftButton) {
1541      moveScene(-deltaX,-deltaY,0,true);
1542    }
1543  }
1544
1545  fLastEventTime->start();
1546}
1547
1548
1549/**
1550   Move the scene of dx, dy, dz values.
1551   @param dx delta mouse x position
1552   @param dy delta mouse y position
1553   @param mouseMove : true if even comes from a mouse move, false if even comes from key action
1554*/
1555
1556void G4OpenGLQtViewer::moveScene(float dx,float dy, float dz,bool mouseMove)
1557{
1558  if (fHoldMoveEvent)
1559    return;
1560  fHoldMoveEvent = true;
1561
1562  G4double coefTrans = 0;
1563  GLdouble coefDepth = 0;
1564  if(mouseMove) {
1565    coefTrans = ((G4double)getSceneNearWidth())/((G4double)fWinSize_x);
1566    if (fWinSize_y <fWinSize_x) {
1567      coefTrans = ((G4double)getSceneNearWidth())/((G4double)fWinSize_y);
1568    }
1569  } else {
1570    coefTrans = getSceneNearWidth()*fDeltaSceneTranslation;
1571    coefDepth = getSceneDepth()*fDeltaDepth;
1572  }
1573  fVP.IncrementPan(-dx*coefTrans,dy*coefTrans,dz*coefDepth);
1574  emit moveX(-dx*coefTrans);
1575  emit moveY(dy*coefTrans);
1576  emit moveZ(dz*coefTrans);
1577 
1578  updateQWidget();
1579  if (fAutoMove)
1580    ((QApplication*)G4Qt::getInstance ())->processEvents();
1581 
1582  fHoldMoveEvent = false;
1583}
1584
1585
1586/**
1587   @param dx delta mouse x position
1588   @param dy delta mouse y position
1589*/
1590
1591void G4OpenGLQtViewer::rotateQtScene(float dx, float dy)
1592{
1593  if (fHoldRotateEvent)
1594    return;
1595  fHoldRotateEvent = true;
1596 
1597  if( dx != 0) {
1598    rotateScene(dx,0,fDeltaRotation);
1599    emit rotateTheta(dx);
1600  }
1601  if( dy != 0) {
1602    rotateScene(0,dy,fDeltaRotation);
1603    emit rotatePhi(dy);
1604  }
1605  updateQWidget();
1606 
1607  fHoldRotateEvent = false;
1608}
1609
1610/**
1611   @param dx delta mouse x position
1612   @param dy delta mouse y position
1613*/
1614
1615void G4OpenGLQtViewer::rotateQtCamera(float dx, float dy)
1616{
1617  if (fHoldRotateEvent)
1618    return;
1619  fHoldRotateEvent = true;
1620
1621  rotateScene(dx,dy,fDeltaRotation);
1622  emit rotateTheta(dx);
1623  emit rotatePhi(dy);
1624  updateQWidget();
1625 
1626  fHoldRotateEvent = false;
1627}
1628
1629
1630
1631
1632/** This is the benning of a rescale function. It does nothing for the moment
1633    @param aWidth : new width
1634    @param aHeight : new height
1635*/
1636void G4OpenGLQtViewer::rescaleImage(
1637 int /* aWidth */
1638,int /* aHeight */
1639){
1640  //  GLfloat* feedback_buffer;
1641  //  GLint returned;
1642  //  FILE* file;
1643 
1644//   feedback_buffer = new GLfloat[size];
1645//   glFeedbackBuffer (size, GL_3D_COLOR, feedback_buffer);
1646//   glRenderMode (GL_FEEDBACK);
1647 
1648//   DrawView();
1649//   returned = glRenderMode (GL_RENDER);
1650
1651}
1652
1653
1654
1655/**
1656   Generate Postscript or PDF form image
1657   @param aFilename : name of file
1658   @param aInColor : numbers of colors : 1->BW 2->RGB
1659   @param aImage : Image to print
1660*/
1661bool G4OpenGLQtViewer::printPDF (
1662 const std::string aFilename
1663,int aInColor
1664,QImage aImage
1665)
1666{
1667
1668#if QT_VERSION < 0x040000
1669#ifdef Q_WS_MAC || Q_WS_X11
1670  QPrinter printer;
1671  //  printer.setPageSize(pageSize);
1672  if (aInColor == 1) {
1673    printer.setColorMode(QPrinter::GrayScale);
1674  } else {
1675    printer.setColorMode(QPrinter::Color);
1676  }
1677
1678  /* FIXME : I don't know which format it will save...
1679     if (aFilename.endsWith(".ps")) {
1680     printer.setOutputFormat(QPrinter::PostScriptFormat);
1681     } else {
1682     printer.setOutputFormat(QPrinter::PdfFormat);
1683     }
1684  */
1685  printer.setOutputFileName(aFilename);
1686  //  printer.setFullPage ( true);
1687  QPainter paint(&printer);
1688  paint.drawImage (0,0,aImage );
1689  paint.end();
1690#else
1691  G4cerr << "This fonction is only supported on Mac OsX or X11 with Qt3. Full platform supported with Qt4" << G4endl;
1692#endif
1693#else
1694  QPrinter printer;
1695  //  printer.setPageSize(pageSize);
1696
1697  // FIXME : L. Garnier 4/12/07
1698  // This is not working, it does nothing. Image is staying in color mode
1699  // So I have desactivate the B/W button in GUI
1700  if ((!aImage.isGrayscale ()) &&(aInColor ==1 )) {
1701#if QT_VERSION < 0x040000
1702    aImage = aImage.convertDepth(1,Qt::MonoOnly);
1703#else
1704    aImage = aImage.convertToFormat ( aImage.format(), Qt::MonoOnly);
1705#endif
1706  }
1707
1708
1709  if (aFilename.substr(aFilename.size()-3) == ".ps") {
1710#if QT_VERSION > 0x040200
1711    printer.setOutputFormat(QPrinter::PostScriptFormat);
1712#endif
1713  } else {
1714#if QT_VERSION > 0x040100
1715    printer.setOutputFormat(QPrinter::PdfFormat);
1716#endif
1717  }
1718#if QT_VERSION > 0x040100
1719  printer.setOutputFileName(QString(aFilename.c_str()));
1720#endif
1721  //  printer.setFullPage ( true);
1722  QPainter paint(&printer);
1723  paint.drawImage (0,0,aImage);
1724  paint.end();
1725#endif
1726  return true;
1727}
1728
1729
1730void G4OpenGLQtViewer::G4wheelEvent (QWheelEvent * event)
1731{
1732  fVP.SetZoomFactor(fVP.GetZoomFactor()+(fVP.GetZoomFactor()*(event->delta())/1200));
1733  updateQWidget();
1734}
1735
1736
1737void G4OpenGLQtViewer::G4keyPressEvent (QKeyEvent * event)
1738{
1739  if (fHoldKeyEvent)
1740    return;
1741
1742  fHoldKeyEvent = true;
1743
1744#if QT_VERSION < 0x040000
1745  if ((event->key() == Qt::Key_Down) && (event->state() & Qt::AltButton )) { // go backward
1746#else
1747  if ((event->key() == Qt::Key_Down) && (event->modifiers() & Qt::AltModifier )) { // go backward
1748#endif
1749   
1750    moveScene(0,0,1,false);
1751  }
1752#if QT_VERSION < 0x040000
1753  else if ((event->key() == Qt::Key_Up) && (event->state() & Qt::AltButton)) { // go forward
1754#else
1755  else if ((event->key() == Qt::Key_Up) && (event->modifiers() & Qt::AltModifier)) { // go forward
1756#endif
1757    moveScene(0,0,-1,false);
1758  }
1759#if QT_VERSION < 0x040000
1760  if ((event->key() == Qt::Key_Down) && (event->state() & Qt::ShiftButton)) { // rotate phi
1761#else
1762  if ((event->key() == Qt::Key_Down) && (event->modifiers() & Qt::ShiftModifier)) { // rotate phi
1763#endif
1764    rotateQtCamera(0,-1);
1765  }
1766#if QT_VERSION < 0x040000
1767  else if ((event->key() == Qt::Key_Up) && (event->state() & Qt::ShiftButton)) { // rotate phi
1768#else
1769  else if ((event->key() == Qt::Key_Up) && (event->modifiers() & Qt::ShiftModifier)) { // rotate phi
1770#endif
1771    rotateQtCamera(0,1);
1772  }
1773#if QT_VERSION < 0x040000
1774  if ((event->key() == Qt::Key_Left) && (event->state() & Qt::ShiftButton)) { // rotate theta
1775#else
1776  if ((event->key() == Qt::Key_Left) && (event->modifiers() & Qt::ShiftModifier)) { // rotate theta
1777#endif
1778    rotateQtCamera(1,0);
1779  }
1780#if QT_VERSION < 0x040000
1781  else if ((event->key() == Qt::Key_Right) && (event->state() & Qt::ShiftButton)) { // rotate theta
1782#else
1783  else if ((event->key() == Qt::Key_Right) && (event->modifiers() & Qt::ShiftModifier)) { // rotate theta
1784#endif
1785    rotateQtCamera(-1,0);
1786  }
1787
1788#if QT_VERSION < 0x040000
1789  if ((event->state() & Qt::AltButton)) {
1790#else
1791  if ((event->modifiers() & Qt::AltModifier)) {
1792#endif
1793    if (event->key() == Qt::Key_Plus) {
1794      fDeltaRotation = fDeltaRotation/0.7;
1795    }
1796    else if (event->key() == Qt::Key_Minus) {
1797      fDeltaRotation = fDeltaRotation*0.7;
1798    }
1799  } else {
1800    if (event->key() == Qt::Key_Plus) {
1801      fVP.SetZoomFactor(fVP.GetZoomFactor()*(1+fDeltaZoom));
1802      updateQWidget();
1803    }
1804    else if (event->key() == Qt::Key_Minus) {
1805      fVP.SetZoomFactor(fVP.GetZoomFactor()*(1-fDeltaZoom));
1806      updateQWidget();
1807    }
1808  }
1809 
1810 
1811  if (event->key() == Qt::Key_Escape) { // escaped from full screen
1812#if QT_VERSION >= 0x030200
1813      toggleFullScreen(false);
1814#endif
1815  }
1816  // several case here : If return is pressed, in every case -> display the movie parameters dialog
1817  // If one parameter is wrong -> put it in red (only save filenam could be wrong..)
1818  // If encoder not found-> does nothing.Only display a message in status box
1819  // If all ok-> generate parameter file
1820  // If ok -> put encoder button enabled
1821 
1822  if ((event->key() == Qt::Key_Return) || (event->key() == Qt::Key_Enter)){ // end of video
1823   stopVideo();
1824  }
1825  if (event->key() == Qt::Key_Space){ // start/pause of video
1826   startPauseVideo();
1827  }
1828
1829  // with no modifiers
1830#if QT_VERSION < 0x040000
1831  if (event->state() == Qt::NoButton) {
1832#else
1833  if ((event->modifiers() == Qt::NoModifier) || (event->modifiers() == Qt::KeypadModifier )) {
1834#endif
1835    if (event->key() == Qt::Key_Down) { // go down
1836      moveScene(0,1,0,false);
1837    }
1838    else if (event->key() == Qt::Key_Up) {  // go up
1839      moveScene(0,-1,0,false);
1840    }
1841    if (event->key() == Qt::Key_Left) { // go left
1842      moveScene(-1,0,0,false);
1843    }
1844    else if (event->key() == Qt::Key_Right) { // go right
1845      moveScene(1,0,0,false);
1846    }
1847  }
1848  fHoldKeyEvent = false;
1849}
1850 
1851
1852/** Stop the video. Check all parameters and enable encoder button if all is ok.
1853*/
1854void G4OpenGLQtViewer::stopVideo() {
1855
1856 // if encoder parameter is wrong, display parameters dialog and return
1857  if (!fMovieParametersDialog) {
1858    showMovieParametersDialog();
1859  }
1860  setRecordingStatus(STOP);
1861
1862  if (fRecordFrameNumber >0) {
1863    // check parameters if they were modified (Re APPLY them...)
1864    if (!(fMovieParametersDialog->checkEncoderSwParameters())) {
1865      setRecordingStatus(BAD_ENCODER);
1866    }  else if (!(fMovieParametersDialog->checkSaveFileNameParameters())) {
1867      setRecordingStatus(BAD_OUTPUT);
1868    }
1869  } else {
1870    resetRecording();
1871    setRecordingInfos("No frame to encode.");
1872  }
1873}
1874
1875/** Stop the video. Check all parameters and enable encoder button if all is ok.
1876*/
1877void G4OpenGLQtViewer::saveVideo() {
1878
1879  // if encoder parameter is wrong, display parameters dialog and return
1880  if (!fMovieParametersDialog) {
1881    showMovieParametersDialog();
1882  }
1883
1884  fMovieParametersDialog->checkEncoderSwParameters();
1885  fMovieParametersDialog->checkSaveFileNameParameters();
1886 
1887  if (fRecordingStep == STOP) {
1888    setRecordingStatus(SAVE);
1889    generateMpegEncoderParameters();
1890    encodeVideo();
1891  }
1892}
1893
1894
1895/** Start/Pause the video..
1896*/
1897void G4OpenGLQtViewer::startPauseVideo() {
1898   
1899  // first time, if temp parameter is wrong, display parameters dialog and return
1900
1901  if (( fRecordingStep == WAIT)) {
1902    if ( fRecordFrameNumber == 0) {
1903      if (getTempFolderPath() == "") { // BAD_OUTPUT
1904        showMovieParametersDialog();
1905        setRecordingInfos("You should specified the temp folder in order to make movie");
1906        return;
1907      } else  {
1908        // remove temp folder if it was create
1909        QString tmp = removeTempFolder();
1910        if (tmp !="") {
1911          setRecordingInfos(tmp);
1912          return;
1913        }
1914        tmp = createTempFolder();
1915        if (tmp != "") {
1916          setRecordingInfos("Can't create temp folder."+tmp);
1917          return;
1918        }
1919      }
1920    }
1921  }
1922  if ((fRecordingStep == WAIT)) {
1923    setRecordingStatus(START);
1924  } else if (fRecordingStep == START) {
1925    setRecordingStatus(PAUSE);
1926  } else if (fRecordingStep == PAUSE) {
1927    setRecordingStatus(CONTINUE);
1928  } else if (fRecordingStep == CONTINUE) {
1929    setRecordingStatus(PAUSE);
1930  }
1931}
1932
1933void G4OpenGLQtViewer::setRecordingStatus(RECORDING_STEP step) {
1934
1935  fRecordingStep = step;
1936  displayRecordingStatus();
1937}
1938
1939
1940void G4OpenGLQtViewer::displayRecordingStatus() {
1941 
1942  QString txtStatus = "";
1943  if (fRecordingStep == WAIT) {
1944    txtStatus  = "Waiting to start...";
1945    fRecordFrameNumber = 0; // reset the frame number
1946  } else if (fRecordingStep == START) {
1947    txtStatus  = "Start Recording...";
1948  } else if (fRecordingStep == PAUSE) {
1949    txtStatus  = "Pause Recording...";
1950  } else if (fRecordingStep == CONTINUE) {
1951    txtStatus  = "Continue Recording...";
1952  } else if (fRecordingStep == STOP) {
1953    txtStatus  = "Stop Recording...";
1954  } else if (fRecordingStep == READY_TO_ENCODE) {
1955    txtStatus  = "Ready to Encode...";
1956  } else if (fRecordingStep == ENCODING) {
1957    txtStatus  = "Encoding...";
1958  } else if (fRecordingStep == FAILED) {
1959    txtStatus  = "Failed to encode...";
1960  } else if ((fRecordingStep == BAD_ENCODER)
1961         || (fRecordingStep == BAD_OUTPUT)
1962             || (fRecordingStep == BAD_TMP)) {
1963    txtStatus  = "Correct above errors first";
1964  } else if (fRecordingStep == SUCCESS) {
1965    txtStatus  = "File encoded successfully";
1966  } else {
1967  }
1968
1969  if (fMovieParametersDialog) {
1970    fMovieParametersDialog->setRecordingStatus(txtStatus);
1971  } else {
1972#if QT_VERSION < 0x040000
1973    G4cout << txtStatus.ascii() << G4endl;
1974#else
1975    G4cout << txtStatus.toStdString().c_str() << G4endl;
1976#endif
1977  }
1978  setRecordingInfos("");
1979}
1980
1981
1982void G4OpenGLQtViewer::setRecordingInfos(QString txt) {
1983  if (fMovieParametersDialog) {
1984    fMovieParametersDialog->setRecordingInfos(txt);
1985  } else {
1986#if QT_VERSION < 0x040000
1987    G4cout << txt.ascii() << G4endl;
1988#else
1989    G4cout << txt.toStdString().c_str() << G4endl;
1990#endif
1991  }
1992}
1993
1994/** Init the movie parameters. Temp dir and encoder path
1995*/
1996void G4OpenGLQtViewer::initMovieParameters() {
1997  //init encoder
1998 
1999   //look for encoderPath
2000     fProcess = new QProcess();
2001     
2002#if QT_VERSION < 0x040000
2003     QObject ::connect(fProcess,SIGNAL(processExited ()),
2004                       this,SLOT(processLookForFinished()));
2005     fProcess->setCommunication(QProcess::DupStderr);
2006     fProcess->setArguments(QStringList("which mpeg_encode"));
2007     fProcess->start();
2008#else
2009     QObject ::connect(fProcess,SIGNAL(finished ( int)),
2010                       this,SLOT(processLookForFinished()));
2011     fProcess->setReadChannelMode(QProcess::MergedChannels);
2012     fProcess->start ("which mpeg_encode");
2013#endif
2014 
2015}
2016
2017/** @return encoder path or "" if it does not exist
2018 */
2019QString G4OpenGLQtViewer::getEncoderPath() {
2020  return fEncoderPath;
2021}
2022 
2023
2024/**
2025 * set the new encoder path
2026 * @return "" if correct. The error otherwise
2027*/
2028QString G4OpenGLQtViewer::setEncoderPath(QString path) {
2029  if (path == "") {
2030    return "File does not exist";
2031  }
2032
2033#if QT_VERSION < 0x040000
2034  path =  QDir::cleanDirPath(path);
2035#else
2036  path =  QDir::cleanPath(path);
2037#endif
2038  QFileInfo *f = new QFileInfo(path);
2039  if (!f->exists()) {
2040    return "File does not exist";
2041  } else if (f->isDir()) {
2042    return "This is a directory";
2043  } else if (!f->isExecutable()) {
2044    return "File exist but is not executable";
2045  } else if (!f->isFile()) {
2046    return "This is not a file";
2047  }
2048  fEncoderPath = path;
2049
2050  if ((fRecordingStep == BAD_ENCODER)) {
2051    setRecordingStatus(STOP);
2052  }
2053  return "";
2054}
2055
2056
2057bool G4OpenGLQtViewer::isRecording(){
2058  if ((fRecordingStep == START) || (fRecordingStep == CONTINUE)) {
2059    return true;
2060  }
2061  return false;
2062}
2063
2064bool G4OpenGLQtViewer::isPaused(){
2065  if (fRecordingStep == PAUSE) {
2066    return true;
2067  }
2068  return false;
2069}
2070
2071bool G4OpenGLQtViewer::isEncoding(){
2072  if (fRecordingStep == ENCODING) {
2073    return true;
2074  }
2075  return false;
2076}
2077
2078bool G4OpenGLQtViewer::isWaiting(){
2079  if (fRecordingStep == WAIT) {
2080    return true;
2081  }
2082  return false;
2083}
2084
2085bool G4OpenGLQtViewer::isStopped(){
2086  if (fRecordingStep == STOP) {
2087    return true;
2088  }
2089  return false;
2090}
2091
2092bool G4OpenGLQtViewer::isFailed(){
2093  if (fRecordingStep == FAILED) {
2094    return true;
2095  }
2096  return false;
2097}
2098
2099bool G4OpenGLQtViewer::isSuccess(){
2100  if (fRecordingStep == SUCCESS) {
2101    return true;
2102  }
2103  return false;
2104}
2105
2106bool G4OpenGLQtViewer::isBadEncoder(){
2107  if (fRecordingStep == BAD_ENCODER) {
2108    return true;
2109  }
2110  return false;
2111}
2112bool G4OpenGLQtViewer::isBadTmp(){
2113  if (fRecordingStep == BAD_TMP) {
2114    return true;
2115  }
2116  return false;
2117}
2118bool G4OpenGLQtViewer::isBadOutput(){
2119  if (fRecordingStep == BAD_OUTPUT) {
2120    return true;
2121  }
2122  return false;
2123}
2124
2125void G4OpenGLQtViewer::setBadEncoder(){
2126  fRecordingStep = BAD_ENCODER;
2127  displayRecordingStatus();
2128}
2129void G4OpenGLQtViewer::setBadTmp(){
2130  fRecordingStep = BAD_TMP;
2131  displayRecordingStatus();
2132}
2133void G4OpenGLQtViewer::setBadOutput(){
2134  fRecordingStep = BAD_OUTPUT;
2135  displayRecordingStatus();
2136}
2137
2138void G4OpenGLQtViewer::setWaiting(){
2139  fRecordingStep = WAIT;
2140  displayRecordingStatus();
2141}
2142
2143
2144bool G4OpenGLQtViewer::isReadyToEncode(){
2145  if (fRecordingStep == READY_TO_ENCODE) {
2146    return true;
2147  }
2148  return false;
2149}
2150
2151void G4OpenGLQtViewer::resetRecording() {
2152    setRecordingStatus(WAIT);
2153}
2154
2155/**
2156 * set the temp folder path
2157 * @return "" if correct. The error otherwise
2158*/
2159QString G4OpenGLQtViewer::setTempFolderPath(QString path) {
2160
2161  if (path == "") {
2162    return "Path does not exist";
2163  }
2164#if QT_VERSION < 0x040000
2165  path =  QDir::cleanDirPath(path);
2166#else
2167  path =  QDir::cleanPath(path);
2168#endif
2169  QFileInfo *d = new QFileInfo(path);
2170  if (!d->exists()) {
2171    return "Path does not exist";
2172  } else if (!d->isDir()) {
2173    return "This is not a directory";
2174  } else if (!d->isReadable()) {
2175    return path +" is read protected";
2176  } else if (!d->isWritable()) {
2177    return path +" is write protected";
2178  }
2179 
2180  if ((fRecordingStep == BAD_TMP)) {
2181    setRecordingStatus(WAIT);
2182  }
2183  fTempFolderPath = path;
2184  return "";
2185}
2186
2187/** @return the temp folder path or "" if it does not exist
2188 */
2189QString G4OpenGLQtViewer::getTempFolderPath() {
2190  return fTempFolderPath;
2191}
2192 
2193/**
2194 * set the save file name path
2195 * @return "" if correct. The error otherwise
2196*/
2197QString G4OpenGLQtViewer::setSaveFileName(QString path) {
2198
2199  if (path == "") {
2200    return "Path does not exist";
2201  }
2202 
2203  QFileInfo *file = new QFileInfo(path);
2204  QDir dir = file->dir();
2205#if QT_VERSION < 0x040000
2206  path =  QDir::cleanDirPath(path);
2207#else
2208  path =  QDir::cleanPath(path);
2209#endif
2210  if (file->exists()) {
2211    return "File already exist, please choose a new one";
2212  } else if (!dir.exists()) {
2213    return "Dir does not exist";
2214  } else if (!dir.isReadable()) {
2215    return path +" is read protected";
2216  }
2217 
2218  if ((fRecordingStep == BAD_OUTPUT)) {
2219    setRecordingStatus(STOP);
2220  }
2221  fSaveFileName = path;
2222  return "";
2223}
2224
2225/** @return the save file path
2226 */
2227QString G4OpenGLQtViewer::getSaveFileName() {
2228  return fSaveFileName ;
2229}
2230
2231/** Create a Qt_temp folder in the temp folder given
2232* The temp folder will be like this /tmp/QtMovie_12-02-2008_12_12_58/
2233* @return "" if success. Error message if not.
2234*/
2235QString G4OpenGLQtViewer::createTempFolder() {
2236  fMovieTempFolderPath = "";
2237  //check
2238  QString tmp = setTempFolderPath(fTempFolderPath);
2239  if (tmp != "") {
2240    return tmp;
2241  }
2242#if QT_VERSION < 0x040000
2243  QString sep = QChar(QDir::separator());
2244#else
2245  QString sep = QString(QDir::separator());
2246#endif
2247  QString path = sep+"QtMovie_"+QDateTime::currentDateTime ().toString("dd-MM-yyyy_hh-mm-ss")+sep;
2248#if QT_VERSION < 0x040000
2249  QDir *d = new QDir(QDir::cleanDirPath(fTempFolderPath));
2250#else
2251  QDir *d = new QDir(QDir::cleanPath(fTempFolderPath));
2252#endif
2253  // check if it is already present
2254  if (d->exists(path)) {
2255    return "Folder "+path+" already exists.Please remove it first";
2256  }
2257  if (d->mkdir(fTempFolderPath+path)) {
2258    fMovieTempFolderPath = fTempFolderPath+path;
2259    return "";
2260  } else {
2261    return "Can't create "+fTempFolderPath+path;
2262  }
2263  return "-";
2264}
2265
2266/** Remove the Qt_temp folder in the temp folder
2267*/
2268QString G4OpenGLQtViewer::removeTempFolder() {
2269        // remove files in Qt_temp folder
2270  if (fMovieTempFolderPath == "") {
2271    return "";
2272  }
2273#if QT_VERSION < 0x040000
2274  QDir *d = new QDir(QDir::cleanDirPath(fMovieTempFolderPath));
2275#else
2276  QDir *d = new QDir(QDir::cleanPath(fMovieTempFolderPath));
2277#endif
2278  if (!d->exists()) {
2279    return "";  // already remove
2280  }
2281
2282  d->setFilter( QDir::Files );
2283  QStringList subDirList = d->entryList();
2284  int res = true;
2285  QString error = "";
2286  for (QStringList::ConstIterator it = subDirList.begin() ;(it != subDirList.end()) ; it++) {
2287    const QString currentFile = *it;
2288      if (!d->remove(currentFile)) {
2289        res = false;
2290        QString file = fMovieTempFolderPath+currentFile;
2291        error +="Removing file failed : "+file;
2292      } else {
2293      }
2294  }
2295  if (res) {
2296    if (d->rmdir(fMovieTempFolderPath)) {
2297      fMovieTempFolderPath = "";
2298      return "";
2299    } else {
2300      return "Dir "+fMovieTempFolderPath+" should be empty, but could not remove it";
2301    }
2302
2303  }
2304  return "Could not remove "+fMovieTempFolderPath+" because of the following errors :"+error;
2305}
2306
2307
2308
2309bool G4OpenGLQtViewer::hasPendingEvents () {
2310  return ((QApplication*)G4Qt::getInstance ())->hasPendingEvents ();
2311}
2312
2313bool G4OpenGLQtViewer::generateMpegEncoderParameters () {
2314
2315                // save the parameter file
2316  FILE* fp;
2317#if QT_VERSION < 0x040000
2318  fp = fopen (QString(fMovieTempFolderPath+fParameterFileName).ascii(), "w");
2319#else
2320  fp = fopen (QString(fMovieTempFolderPath+fParameterFileName).toStdString().c_str(), "w");
2321#endif
2322
2323  if (fp == NULL) {
2324    setRecordingInfos("Generation of parameter file failed");
2325    return false;
2326  }
2327
2328  fprintf (fp,"# parameter file template with lots of comments to assist you\n");
2329  fprintf (fp,"#\n");
2330  fprintf (fp,"# you can use this as a template, copying it to a separate file then modifying\n");
2331  fprintf (fp,"# the copy\n");
2332  fprintf (fp,"#\n");
2333  fprintf (fp,"#\n");
2334  fprintf (fp,"# any line beginning with '#' is a comment\n");
2335  fprintf (fp,"#\n");
2336  fprintf (fp,"# no line should be longer than 255 characters\n");
2337  fprintf (fp,"#\n");
2338  fprintf (fp,"#\n");
2339  fprintf (fp,"# general format of each line is:\n");
2340  fprintf (fp,"#          \n");
2341  fprintf (fp,"#\n");
2342  fprintf (fp,"# lines can generally be in any order\n");
2343  fprintf (fp,"#\n");
2344  fprintf (fp,"# an exception is the option 'INPUT' which must be followed by input\n");
2345  fprintf (fp,"# files in the order in which they must appear, followed by 'END_INPUT'\n");
2346  fprintf (fp,"#\n");
2347  fprintf (fp,"# Also, if you use the `command` method of generating input file names,\n");
2348  fprintf (fp,"# the command will only be executed in the INPUT_DIR if INPUT_DIR preceeds\n");
2349  fprintf (fp,"# the INPUT parameter.\n");
2350  fprintf (fp,"#\n");
2351  fprintf (fp,"#  MUST be in UPPER CASE\n");
2352  fprintf (fp,"#\n");
2353  fprintf (fp,"\n");
2354  fprintf (fp,"# Pattern affects speed, quality and compression. See the User's Guide\n");
2355  fprintf (fp,"# for more info.\n");
2356  fprintf (fp,"\n");
2357  fprintf (fp,"PATTERN          IBBPBBPBBPBBPBBP\n");
2358#if QT_VERSION < 0x040000
2359  fprintf (fp,"OUTPUT           %s\n",getSaveFileName().ascii());
2360#else
2361  fprintf (fp,"OUTPUT           %s\n",getSaveFileName().toStdString().c_str());
2362#endif
2363  fprintf (fp,"\n");
2364  fprintf (fp,"# mpeg_encode really only accepts 3 different file formats, but using a\n");
2365  fprintf (fp,"# conversion statement it can effectively handle ANY file format\n");
2366  fprintf (fp,"#\n");
2367  fprintf (fp,"# You must specify the type of the input files.  The choices are:\n");
2368  fprintf (fp,"#    YUV, PPM, JMOVIE, Y, JPEG, PNM\n");
2369  fprintf (fp,"#        (must be upper case)\n");
2370  fprintf (fp,"#\n");
2371  fprintf (fp,"BASE_FILE_FORMAT PPM\n");
2372  fprintf (fp,"\n");
2373  fprintf (fp,"#\n");
2374  fprintf (fp,"# if YUV format (or using parallel version), must provide width and height\n");
2375  fprintf (fp,"# YUV_SIZE       widthxheight\n");
2376  fprintf (fp,"# this option is ignored if BASE_FILE_FORMAT is not YUV and you're running\n");
2377  fprintf (fp,"# on just one machine\n");
2378  fprintf (fp,"#\n");
2379  fprintf (fp,"YUV_SIZE 352x240\n");
2380  fprintf (fp,"\n");
2381  fprintf (fp,"# If you are using YUV, there are different supported file formats.\n");
2382  fprintf (fp,"# EYUV or UCB are the same as previous versions of this encoder.\n");
2383  fprintf (fp,"# (All the Y's, then U's then V's, in 4:2:0 subsampling.)\n");
2384  fprintf (fp,"# Other formats, such as Abekas, Phillips, or a general format are\n");
2385  fprintf (fp,"# permissible, the general format is a string of Y's, U's, and V's\n");
2386  fprintf (fp,"# to specify the file order.\n");
2387  fprintf (fp,"\n");
2388  fprintf (fp,"INPUT_FORMAT UCB\n");
2389  fprintf (fp,"\n");
2390  fprintf (fp,"# the conversion statement\n");
2391  fprintf (fp,"#\n");
2392  fprintf (fp,"# Each occurrence of '*' will be replaced by the input file\n");
2393  fprintf (fp,"#\n");
2394  fprintf (fp,"# e.g., if you have a bunch of GIF files, then this might be:\n");
2395  fprintf (fp,"#        INPUT_CONVERT   giftoppm *\n");
2396  fprintf (fp,"#\n");
2397  fprintf (fp,"# e.g., if you have a bunch of files like a.Y a.U a.V, etc., then:\n");
2398  fprintf (fp,"#        INPUT_CONVERT   cat *.Y *.U *.V\n");
2399  fprintf (fp,"#\n");
2400  fprintf (fp,"# e.g., if you are grabbing from laser disc you might have something like\n");
2401  fprintf (fp,"#        INPUT_CONVERT   goto frame *; grabppm\n");
2402  fprintf (fp,"# 'INPUT_CONVERT *' means the files are already in the base file format\n");
2403  fprintf (fp,"#\n");
2404  fprintf (fp,"INPUT_CONVERT    * \n");
2405  fprintf (fp,"\n");
2406  fprintf (fp,"# number of frames in a GOP.\n");
2407  fprintf (fp,"#\n");
2408  fprintf (fp,"# since each GOP must have at least one I-frame, the encoder will find the\n");
2409  fprintf (fp,"# the first I-frame after GOP_SIZE frames to start the next GOP\n");
2410  fprintf (fp,"#\n");
2411  fprintf (fp,"# later, will add more flexible GOP signalling\n");
2412  fprintf (fp,"#\n");
2413  fprintf (fp,"GOP_SIZE 16\n");
2414  fprintf (fp,"\n");
2415  fprintf (fp,"# number of slices in a frame\n");
2416  fprintf (fp,"#\n");
2417  fprintf (fp,"# 1 is a good number.  another possibility is the number of macroblock rows\n");
2418  fprintf (fp,"# (which is the height divided by 16)\n");
2419  fprintf (fp,"#\n");
2420  fprintf (fp,"SLICES_PER_FRAME 1\n");
2421  fprintf (fp,"\n");
2422  fprintf (fp,"# directory to get all input files from (makes this file easier to read)\n");
2423#if QT_VERSION < 0x040000
2424  fprintf (fp,"INPUT_DIR        %s\n",fMovieTempFolderPath.ascii());
2425#else
2426  fprintf (fp,"INPUT_DIR        %s\n",fMovieTempFolderPath.toStdString().c_str());
2427#endif
2428  fprintf (fp,"\n");
2429  fprintf (fp,"# There are a bunch of ways to specify the input files.\n");
2430  fprintf (fp,"# from a simple one-per-line listing, to the following \n");
2431  fprintf (fp,"# way of numbering them.  See the manual for more information.\n");
2432  fprintf (fp,"INPUT\n");
2433  fprintf (fp,"# '*' is replaced by the numbers 01, 02, 03, 04\n");
2434  fprintf (fp,"# if I instead do [01-11], it would be 01, 02, ..., 09, 10, 11\n");
2435  fprintf (fp,"# if I instead do [1-11], it would be 1, 2, 3, ..., 9, 10, 11\n");
2436  fprintf (fp,"# if I instead do [1-11+3], it would be 1, 4, 7, 10\n");
2437  fprintf (fp,"# the program assumes none of your input files has a name ending in ']'\n");
2438  fprintf (fp,"# if you do, too bad!!!\n");
2439  fprintf (fp,"#\n");
2440  fprintf (fp,"#\n");
2441  fprintf (fp,"Test*.ppm        [0-%d]\n",fRecordFrameNumber-1);
2442  fprintf (fp,"# can have more files here if you want...there is no limit on the number\n");
2443  fprintf (fp,"# of files\n");
2444  fprintf (fp,"END_INPUT\n");
2445  fprintf (fp,"\n");
2446  fprintf (fp,"\n");
2447  fprintf (fp,"\n");
2448  fprintf (fp,"# Many of the remaining options have to do with the motion search and qscale\n");
2449  fprintf (fp,"\n");
2450  fprintf (fp,"# FULL or HALF -- must be upper case\n");
2451  fprintf (fp,"# Should be FULL for computer generated images\n");
2452  fprintf (fp,"PIXEL            FULL\n");
2453  fprintf (fp,"\n");
2454  fprintf (fp,"# means +/- this many pixels for both P and B frame searches\n");
2455  fprintf (fp,"# specify two numbers if you wish to serc different ranges in the two.\n");
2456  fprintf (fp,"RANGE            10\n");
2457  fprintf (fp,"\n");
2458  fprintf (fp,"# The two search algorithm parameters below mostly affect speed,\n");
2459  fprintf (fp,"# with some affect on compression and almost none on quality.\n");
2460  fprintf (fp,"\n");
2461  fprintf (fp,"# this must be one of {EXHAUSTIVE, SUBSAMPLE, LOGARITHMIC}\n");
2462  fprintf (fp,"PSEARCH_ALG      LOGARITHMIC\n");
2463  fprintf (fp,"\n");
2464  fprintf (fp,"# this must be one of {SIMPLE, CROSS2, EXHAUSTIVE}\n");
2465  fprintf (fp,"#\n");
2466  fprintf (fp,"# note that EXHAUSTIVE is really, really, really slow\n");
2467  fprintf (fp,"#\n");
2468  fprintf (fp,"BSEARCH_ALG      SIMPLE\n");
2469  fprintf (fp,"\n");
2470  fprintf (fp,"#\n");
2471  fprintf (fp,"# these specify the q-scale for I, P, and B frames\n");
2472  fprintf (fp,"# (values must be between 1 and 31)\n");
2473  fprintf (fp,"# These are the Qscale values for the entire frame in variable bit-rate\n");
2474  fprintf (fp,"# mode, and starting points (but not important) for constant bit rate\n");
2475  fprintf (fp,"#\n");
2476  fprintf (fp,"\n");
2477  fprintf (fp,"# Qscale (Quantization scale) affects quality and compression,\n");
2478  fprintf (fp,"# but has very little effect on speed.\n");
2479  fprintf (fp,"\n");
2480  fprintf (fp,"IQSCALE          4\n");
2481  fprintf (fp,"PQSCALE          5\n");
2482  fprintf (fp,"BQSCALE          12\n");
2483  fprintf (fp,"\n");
2484  fprintf (fp,"# this must be ORIGINAL or DECODED\n");
2485  fprintf (fp,"REFERENCE_FRAME  ORIGINAL\n");
2486  fprintf (fp,"\n");
2487  fprintf (fp,"# for parallel parameters see parallel.param in the exmaples subdirectory\n");
2488  fprintf (fp,"\n");
2489  fprintf (fp,"# if you want constant bit-rate mode, specify it as follows (number is bits/sec):\n");
2490  fprintf (fp,"#BIT_RATE  1000000\n");
2491  fprintf (fp,"\n");
2492  fprintf (fp,"# To specify the buffer size (327680 is default, measused in bits, for 16bit words)\n");
2493  fprintf (fp,"BUFFER_SIZE 327680\n");
2494  fprintf (fp,"\n");
2495  fprintf (fp,"# The frame rate is the number of frames/second (legal values:\n");
2496  fprintf (fp,"# 23.976, 24, 25, 29.97, 30, 50 ,59.94, 60\n");
2497  fprintf (fp,"FRAME_RATE 30\n");
2498  fprintf (fp,"\n");
2499  fprintf (fp,"# There are many more options, see the users manual for examples....\n");
2500  fprintf (fp,"# ASPECT_RATIO, USER_DATA, GAMMA, IQTABLE, etc.\n");
2501  fprintf (fp,"\n");
2502  fprintf (fp,"\n");
2503  fclose (fp);
2504
2505  setRecordingInfos("Parameter file "+fParameterFileName+" generated in "+fMovieTempFolderPath);
2506  setRecordingStatus(READY_TO_ENCODE);
2507  return true;
2508}
2509
2510void G4OpenGLQtViewer::encodeVideo()
2511{
2512  if ((getEncoderPath() != "") && (getSaveFileName() != "")) {
2513    setRecordingStatus(ENCODING);
2514   
2515#if QT_VERSION < 0x040000
2516    QStringList args = QStringList(fEncoderPath);
2517    args.push_back(fMovieTempFolderPath+fParameterFileName);
2518    fProcess = new QProcess(args);
2519    QObject ::connect(fProcess,SIGNAL(processExited ()),
2520                      this,SLOT(processEncodeFinished()));
2521    QObject ::connect(fProcess,SIGNAL(readyReadStdout ()),
2522                      this,SLOT(processEncodeStdout()));
2523    fProcess->setCommunication(QProcess::DupStderr);
2524    fProcess->launch("");
2525#else
2526    fProcess = new QProcess();
2527#if QT_VERSION > 0x040100
2528    QObject ::connect(fProcess,SIGNAL(finished ( int,QProcess::ExitStatus)),
2529                      this,SLOT(processEncodeFinished()));
2530    QObject ::connect(fProcess,SIGNAL(readyReadStandardOutput ()),
2531                      this,SLOT(processEncodeStdout()));
2532#else
2533    QObject ::connect(fProcess,SIGNAL(finished ( int)),
2534                      this,SLOT(processEncodeFinished()));
2535    QObject ::connect(fProcess,SIGNAL(readyReadStandardOutput ()),
2536                      this,SLOT(processEncodeStdout()));
2537#endif
2538    fProcess->setReadChannelMode(QProcess::MergedChannels);
2539    fProcess->start (fEncoderPath, QStringList(fMovieTempFolderPath+fParameterFileName));
2540#endif
2541  }
2542}
2543
2544
2545// FIXME : does not work on Qt3
2546void G4OpenGLQtViewer::processEncodeStdout()
2547{
2548#if QT_VERSION > 0x040000
2549  QString tmp = fProcess->readAllStandardOutput ().data();
2550  int start = tmp.lastIndexOf("ESTIMATED TIME");
2551  tmp = tmp.mid(start,tmp.indexOf("\n",start)-start);
2552#else
2553  QString tmp = fProcess->readStdout ().data();
2554  int start = tmp.findRev("ESTIMATED TIME");
2555  tmp = tmp.mid(start,tmp.find("\n",start)-start);
2556#endif
2557  setRecordingInfos(tmp);
2558}
2559
2560
2561void G4OpenGLQtViewer::processEncodeFinished()
2562{
2563
2564  QString txt = "";
2565  txt = getProcessErrorMsg();
2566  if (txt == "") {
2567    setRecordingStatus(SUCCESS);
2568  } else {
2569    setRecordingStatus(FAILED);
2570  }
2571  //  setRecordingInfos(txt+removeTempFolder());
2572}
2573
2574
2575void G4OpenGLQtViewer::processLookForFinished()
2576 {
2577
2578  QString txt = getProcessErrorMsg();
2579  if (txt != "") {
2580    fEncoderPath = "";
2581  } else {
2582#if QT_VERSION > 0x040000
2583    fEncoderPath = QString(fProcess->readAllStandardOutput ().data()).trimmed();
2584#else
2585    fEncoderPath = QString(fProcess->readStdout ().data()).simplifyWhiteSpace();
2586#endif
2587    // if not found, return "not found"
2588    if (fEncoderPath.contains(" ")) {
2589      fEncoderPath = "";
2590    } else if (!fEncoderPath.contains("mpeg_encode")) {
2591      fEncoderPath = "";
2592    }
2593    setEncoderPath(fEncoderPath);
2594  }
2595  // init temp folder
2596#if QT_VERSION > 0x040000
2597  setTempFolderPath(QDir::temp ().absolutePath ());
2598#else
2599  // Let's have a try
2600  setTempFolderPath("/tmp/");
2601#endif
2602}
2603
2604
2605QString G4OpenGLQtViewer::getProcessErrorMsg()
2606{
2607  QString txt = "";
2608#if QT_VERSION < 0x040000
2609  if (!fProcess->normalExit ()) {
2610    txt = "Exist status "+ fProcess->exitStatus ();
2611  }
2612#else
2613  if (fProcess->exitCode() != 0) {
2614    switch (fProcess->error()) {
2615    case QProcess::FailedToStart:
2616      txt = "The process failed to start. Either the invoked program is missing, or you may have insufficient permissions to invoke the program.\n";
2617      break;
2618    case QProcess::Crashed:
2619      txt = "The process crashed some time after starting successfully.\n";
2620      break;
2621    case QProcess::Timedout:
2622      txt = "The last waitFor...() function timed out. The state of QProcess is unchanged, and you can try calling waitFor...() again.\n";
2623      break;
2624    case QProcess::WriteError:
2625      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";
2626      break;
2627    case QProcess::ReadError:
2628      txt = "An error occurred when attempting to read from the process. For example, the process may not be running.\n";
2629      break;
2630    case QProcess::UnknownError:
2631      txt = "An unknown error occurred. This is the default return value of error().\n";
2632      break;
2633    }
2634  }
2635#endif
2636   return txt;
2637}
2638
2639/*
2640 
2641void MultiLayer::exportToSVG(const QString& fname)
2642{
2643  QPicture picture;
2644  QPainter p(&picture);
2645  for (int i=0;i<(int)graphsList->count();i++)
2646    {
2647      Graph *gr=(Graph *)graphsList->at(i);
2648      Plot *myPlot= (Plot *)gr->plotWidget();
2649     
2650      QPoint pos=gr->pos();
2651     
2652      int width=int(myPlot->frameGeometry().width());
2653      int height=int(myPlot->frameGeometry().height());
2654     
2655      myPlot->print(&p, QRect(pos,QSize(width,height)));
2656    }
2657 
2658  p.end();
2659  picture.save(fname, "svg");
2660}
2661*/
2662#endif
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