source: trunk/geant4/visualization/OpenGL/src/G4OpenGLStoredQtViewer.cc @ 745

Last change on this file since 745 was 745, checked in by garnier, 16 years ago

ok pour sauver les images
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1//
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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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19// * technical work of the GEANT4 collaboration.                      *
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22// * use  in  resulting  scientific  publications,  and indicate your *
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24// ********************************************************************
25//
26//
27// $Id: G4OpenGLStoredQtViewer.cc,v 1.9 2008/01/30 10:54:13 lgarnier Exp $
28// GEANT4 tag $Name:  $
29//
30//
31// Class G4OpenGLStoredQtViewer : a class derived from G4OpenGLQtViewer and
32//                                G4OpenGLStoredViewer.
33
34#ifdef G4VIS_BUILD_OPENGLQT_DRIVER
35
36#define GEANT4_QT_DEBUG
37
38#include "G4OpenGLStoredQtViewer.hh"
39
40#include "G4ios.hh"
41
42//#include <qmouseevent.h>
43#include <qevent.h> // include <qcontextmenuevent.h>
44
45G4OpenGLStoredQtViewer::G4OpenGLStoredQtViewer
46(G4OpenGLStoredSceneHandler& sceneHandler,
47 const G4String&  name):
48  G4VViewer (sceneHandler, sceneHandler.IncrementViewCount (), name),
49  G4OpenGLViewer (sceneHandler),
50  G4OpenGLQtViewer (sceneHandler),
51  G4OpenGLStoredViewer (sceneHandler)             // FIXME : gerer le pb du parent !
52{
53#if QT_VERSION < 0x040000
54  setFocusPolicy(QWidget::StrongFocus); // enable keybord events
55#else
56  setFocusPolicy(Qt::StrongFocus); // enable keybord events
57#endif
58  nbPaint =0;
59  hasToRepaint =false;
60  if (fViewId < 0) return;  // In case error in base class instantiation.
61}
62
63G4OpenGLStoredQtViewer::~G4OpenGLStoredQtViewer() {
64#ifdef GEANT4_QT_DEBUG
65  printf("GLWidget::~GLWidget \n");
66#endif
67  makeCurrent();
68  // this is connect to the Dialog for deleting it properly
69  // when close event.
70  //   ((QDialog*)window())->reject();
71#ifdef GEANT4_QT_DEBUG
72  printf("GLWidget::~GLWidget END\n");
73#endif
74}
75
76void G4OpenGLStoredQtViewer::Initialise() {
77#ifdef GEANT4_QT_DEBUG
78  printf("GLWidget::Initialise \n");
79#endif
80  readyToPaint = false;
81  CreateGLQtContext ();
82#ifdef GEANT4_QT_DEBUG
83  printf("G4OpenGLStoredQtViewer::Initialise () 2\n");
84#endif
85  CreateMainWindow (this);
86#ifdef GEANT4_QT_DEBUG
87  printf("G4OpenGLStoredQtViewer::Initialise () 3\n");
88#endif
89  CreateFontLists ();  // FIXME Does nothing!
90 
91#ifdef GEANT4_QT_DEBUG
92  printf("readyToPaint = true \n");
93#endif
94  readyToPaint = true;
95 
96  // First Draw
97  SetView();
98#ifdef GEANT4_QT_DEBUG
99  printf("    ClearView\n");
100#endif
101  ClearView (); //ok, put the background correct
102  FinishView();
103}
104
105void G4OpenGLStoredQtViewer::initializeGL () {
106
107  InitializeGLView ();
108
109#ifdef GEANT4_QT_DEBUG
110  printf("G4OpenGLStoredQtViewer::InitialiseGL () 1\n");
111#endif
112
113  // clear the buffers and window.
114  ClearView ();
115  //   printf("G4OpenGLStoredQtViewer::InitialiseGL () 2\n");
116  FinishView ();
117   
118  glDepthFunc (GL_LEQUAL);
119  glDepthMask (GL_TRUE);
120
121  hasToRepaint =true;
122
123#ifdef GEANT4_QT_DEBUG
124  printf("G4OpenGLStoredQtViewer::InitialiseGL  -------------------------------------------------------------------------------------\n");
125#endif
126}
127
128
129void G4OpenGLStoredQtViewer::DrawView () {
130
131#ifdef GEANT4_QT_DEBUG
132  printf("G4OpenGLStoredQtViewer::DrawView %d %d   VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n",WinSize_x, WinSize_y);
133#endif
134  G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
135
136  //Make sure current viewer is attached and clean...
137  //Qt version needed
138  //   glViewport (0, 0, WinSize_x, WinSize_y);
139
140  //See if things have changed from last time and remake if necessary...
141  // The fNeedKernelVisit flag might have been set by the user in
142  // /vis/viewer/rebuild, but if not, make decision and set flag only
143  // if necessary...
144  if (!fNeedKernelVisit)
145
146    if (!fNeedKernelVisit) KernelVisitDecision ();
147   
148  G4bool kernelVisitWasNeeded = fNeedKernelVisit; // Keep (ProcessView resets).
149  ProcessView ();
150   
151
152  if(style!=G4ViewParameters::hlr &&
153     haloing_enabled) {
154#ifdef GEANT4_QT_DEBUG
155    printf("G4OpenGLStoredQtViewer::DrawView DANS LE IF\n");
156#endif
157
158    HaloingFirstPass ();
159    DrawDisplayLists ();
160    glFlush ();
161
162    HaloingSecondPass ();
163
164    DrawDisplayLists ();
165    FinishView ();
166
167  } else {
168#ifdef GEANT4_QT_DEBUG
169    printf("***************************  CASE 1 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
170#endif
171     
172    // If kernel visit was needed, drawing and FinishView will already
173    // have been done, so...
174    if (!kernelVisitWasNeeded) {
175#ifdef GEANT4_QT_DEBUG
176      printf("***************************  CASE 2 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
177#endif
178      DrawDisplayLists ();
179      FinishView ();
180    } else {
181#ifdef GEANT4_QT_DEBUG
182      printf("***************************  CASE 3 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
183#endif
184      // However, union cutaways are implemented in DrawDisplayLists, so make
185      // an extra pass...
186      if (fVP.IsCutaway() &&
187          fVP.GetCutawayMode() == G4ViewParameters::cutawayUnion) {
188        ClearView();
189        DrawDisplayLists ();
190        FinishView ();
191#ifdef GEANT4_QT_DEBUG
192        printf("***************************  CASE 4 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
193#endif
194      } else { // ADD TO AVOID KernelVisit=1 and nothing to display
195        DrawDisplayLists ();
196        FinishView ();
197      }
198    }
199  }
200
201  if (isRecording()) {
202    savePPMToTemp();
203  }
204
205#ifdef GEANT4_QT_DEBUG
206  printf("G4OpenGLStoredQtViewer::DrawView %d %d ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n",WinSize_x, WinSize_y);
207#endif
208  hasToRepaint =true;
209}
210
211
212//////////////////////////////////////////////////////////////////////////////
213void G4OpenGLStoredQtViewer::FinishView (
214)
215//////////////////////////////////////////////////////////////////////////////
216//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
217{
218#ifdef GEANT4_QT_DEBUG
219  printf("G4OpenGLStoredQtViewer::FinishView VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n");
220#endif
221
222  glFlush ();
223  swapBuffers ();
224#ifdef GEANT4_QT_DEBUG
225  printf("G4OpenGLStoredQtViewer::FinishView ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
226#endif
227
228}
229
230
231/**
232   - Lors du resize de la fenetre, on doit non pas redessiner le detecteur, mais aussi les evenements
233*/
234void G4OpenGLStoredQtViewer::resizeGL(
235                                      int aWidth
236                                      ,int aHeight)
237{ 
238  setupViewport(aWidth,aHeight);
239
240  if (((WinSize_x != (G4int)aWidth)) || (WinSize_y != (G4int) aHeight)) {
241    hasToRepaint =true;
242  }
243  WinSize_x = (G4int) aWidth;
244  WinSize_y = (G4int) aHeight;
245 
246#ifdef GEANT4_QT_DEBUG
247  printf("G4OpenGLStoredQtViewer::resizeGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ %d %d=%d %d=%d\n",hasToRepaint,width(),aWidth,height(),aHeight);
248#endif
249}
250
251
252/**
253    @see :
254*/
255
256void G4OpenGLStoredQtViewer::paintGL()
257{
258  if (!readyToPaint) {
259#ifdef GEANT4_QT_DEBUG
260    printf("G4OpenGLStoredQtViewer::paintGL ============  Not ready %d\n",readyToPaint);
261#endif
262    readyToPaint= true;
263    return;
264  }
265  // DO NOT RESIZE IF SIZE HAS NOT CHANGE :
266  //    WHEN CLICK ON THE FRAME FOR EXAMPLE
267  //    EXECEPT WHEN MOUSE MOVE EVENT
268  if ( !hasToRepaint) {
269    if (((WinSize_x == (G4int)width())) &&(WinSize_y == (G4int) height())) {
270#ifdef GEANT4_QT_DEBUG
271      printf("G4OpenGLStoredQtViewer::paintGL ============  Dont repaint\n");
272#endif
273      return;
274    }
275  }
276  nbPaint++;
277#ifdef GEANT4_QT_DEBUG
278  printf("G4OpenGLStoredQtViewer::paintGL VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV %d ready %d\n",nbPaint,readyToPaint);
279#endif
280  WinSize_x = (G4int) width();
281  WinSize_y = (G4int) height();
282     
283  setupViewport(width(),height());
284  //     glViewport (0, 0, width(), height());
285  //   glLoadIdentity();
286     
287     
288  SetView();
289     
290  //   //  printf("before ClearView\n");
291#ifdef GEANT4_QT_DEBUG
292  printf("    ClearView\n");
293#endif
294     
295  ClearView (); //ok, put the background correct
296  DrawView();
297     
298  hasToRepaint =false;
299     
300#ifdef GEANT4_QT_DEBUG
301  printf("G4OpenGLStoredQtViewer::paintGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ %d ready %d\n",nbPaint,readyToPaint);
302#endif
303}
304
305void G4OpenGLStoredQtViewer::mousePressEvent(QMouseEvent *event)
306{
307#if QT_VERSION < 0x040000
308  if ((event->button() & Qt::LeftButton)
309      && !((event->state() & Qt::ShiftButton)
310           || (event->state() & Qt::ControlButton)
311           || (event->state() & Qt::AltButton)
312           || (event->state() & Qt::MetaButton))) {
313#else
314  if ((event->buttons() & Qt::LeftButton)
315      && !((event->modifiers() & Qt::ShiftModifier)
316           || (event->modifiers() & Qt::ControlModifier)
317           || (event->modifiers() & Qt::AltModifier)
318           || (event->modifiers() & Qt::MetaModifier))) {
319#endif
320#ifdef GEANT4_QT_DEBUG
321    printf("G4OpenGLStoredQtViewer::mousePressEvent\n");
322#endif
323    setMouseTracking(true);
324    G4MousePressEvent(event->pos(),Qt::LeftButton);
325  }
326}
327
328void G4OpenGLStoredQtViewer::keyPressEvent (QKeyEvent * event)
329{
330  G4keyPressEvent(event);
331}
332
333/**
334 * This function was build in order to make a zoom on double clic event.
335 * It was think to build a rubberband on the zoom area, but never work fine
336 */
337void G4OpenGLStoredQtViewer::mouseDoubleClickEvent(QMouseEvent *event)
338{
339#ifdef GEANT4_QT_DEBUG
340  printf("G4OpenGLStoredQtViewer::mouseDoubleClickEvent\n");
341#endif
342  setMouseTracking(true);
343  //   glBufferImage = grabFrameBuffer().convertToFormat(QImage::Format_ARGB32);//_Premultiplied); 
344}
345
346void G4OpenGLStoredQtViewer::mouseReleaseEvent(QMouseEvent *event)
347{
348#ifdef GEANT4_QT_DEBUG
349  printf("G4OpenGLStoredQtViewer::mouseReleaseEvent\n");
350#endif
351  setMouseTracking(false);
352}
353
354void G4OpenGLStoredQtViewer::mouseMoveEvent(QMouseEvent *event)
355{
356 
357#if QT_VERSION < 0x040000
358  G4MouseMoveEvent(event->x(),event->y(),event->state());
359#else
360  G4MouseMoveEvent(event->x(),event->y(),event->buttons());
361#endif
362  if (hasPendingEvents ())
363    G4MouseMoveEvent(event->x(),event->y(),event->buttons(),true);
364}
365
366
367void G4OpenGLStoredQtViewer::contextMenuEvent(QContextMenuEvent *e)
368{
369#ifdef GEANT4_QT_DEBUG
370  printf("G4OpenGLStoredQtViewer::contextMenuEvent\n");
371#endif
372  manageContextMenuEvent(e);
373}
374
375void G4OpenGLStoredQtViewer::updateQWidget() {
376  hasToRepaint= true;
377  updateGL();
378  hasToRepaint= false;
379}
380
381
382#endif
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