source: trunk/geant4/visualization/OpenGL/src/G4OpenGLStoredQtViewer.cc @ 703

Last change on this file since 703 was 702, checked in by garnier, 16 years ago

deplacement keys ok. Debut d a jout bouton perspective
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26//
27// $Id: G4OpenGLStoredQtViewer.cc,v 1.8 2008/01/15 11:05:08 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),
52  QGLWidget(QGLFormat(QGL::SampleBuffers))             // FIXME : gerer le pb du parent !
53{
54  setFocusPolicy(Qt::StrongFocus); // enable keybord events
55  nbPaint =0;
56  hasToRepaint =false;
57  if (fViewId < 0) return;  // In case error in base class instantiation.
58}
59
60G4OpenGLStoredQtViewer::~G4OpenGLStoredQtViewer() {
61#ifdef GEANT4_QT_DEBUG
62  printf("GLWidget::~GLWidget \n");
63#endif
64  makeCurrent();
65  // this is connect to the Dialog for deleting it properly
66  // when close event.
67  //   ((QDialog*)window())->reject();
68#ifdef GEANT4_QT_DEBUG
69  printf("GLWidget::~GLWidget END\n");
70#endif
71}
72
73void G4OpenGLStoredQtViewer::Initialise() {
74#ifdef GEANT4_QT_DEBUG
75  printf("GLWidget::Initialise \n");
76#endif
77  readyToPaint = false;
78  CreateGLQtContext ();
79#ifdef GEANT4_QT_DEBUG
80  printf("G4OpenGLStoredQtViewer::Initialise () 2\n");
81#endif
82  CreateMainWindow (this);
83#ifdef GEANT4_QT_DEBUG
84  printf("G4OpenGLStoredQtViewer::Initialise () 3\n");
85#endif
86  CreateFontLists ();  // FIXME Does nothing!
87 
88#ifdef GEANT4_QT_DEBUG
89  printf("readyToPaint = true \n");
90#endif
91  readyToPaint = true;
92 
93  // First Draw
94  SetView();
95#ifdef GEANT4_QT_DEBUG
96  printf("    ClearView\n");
97#endif
98  ClearView (); //ok, put the background correct
99  FinishView();
100}
101
102void G4OpenGLStoredQtViewer::initializeGL () {
103
104  InitializeGLView ();
105
106#ifdef GEANT4_QT_DEBUG
107  printf("G4OpenGLStoredQtViewer::InitialiseGL () 1\n");
108#endif
109
110  // clear the buffers and window.
111  ClearView ();
112  //   printf("G4OpenGLStoredQtViewer::InitialiseGL () 2\n");
113  FinishView ();
114   
115  glDepthFunc (GL_LEQUAL);
116  glDepthMask (GL_TRUE);
117
118  hasToRepaint =true;
119
120#ifdef GEANT4_QT_DEBUG
121  printf("G4OpenGLStoredQtViewer::InitialiseGL  -------------------------------------------------------------------------------------\n");
122#endif
123}
124
125
126void G4OpenGLStoredQtViewer::DrawView () {
127
128#ifdef GEANT4_QT_DEBUG
129  printf("G4OpenGLStoredQtViewer::DrawView %d %d   VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n",WinSize_x, WinSize_y);
130#endif
131  G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
132
133  //Make sure current viewer is attached and clean...
134  //Qt version needed
135  //   glViewport (0, 0, WinSize_x, WinSize_y);
136
137  //See if things have changed from last time and remake if necessary...
138  // The fNeedKernelVisit flag might have been set by the user in
139  // /vis/viewer/rebuild, but if not, make decision and set flag only
140  // if necessary...
141  if (!fNeedKernelVisit)
142
143    if (!fNeedKernelVisit) KernelVisitDecision ();
144   
145  G4bool kernelVisitWasNeeded = fNeedKernelVisit; // Keep (ProcessView resets).
146  ProcessView ();
147   
148
149  if(style!=G4ViewParameters::hlr &&
150     haloing_enabled) {
151#ifdef GEANT4_QT_DEBUG
152    printf("G4OpenGLStoredQtViewer::DrawView DANS LE IF\n");
153#endif
154
155    HaloingFirstPass ();
156    DrawDisplayLists ();
157    glFlush ();
158
159    HaloingSecondPass ();
160
161    DrawDisplayLists ();
162    FinishView ();
163
164  } else {
165#ifdef GEANT4_QT_DEBUG
166    printf("***************************  CASE 1 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
167#endif
168     
169    // If kernel visit was needed, drawing and FinishView will already
170    // have been done, so...
171    if (!kernelVisitWasNeeded) {
172#ifdef GEANT4_QT_DEBUG
173      printf("***************************  CASE 2 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
174#endif
175      DrawDisplayLists ();
176      FinishView ();
177    } else {
178#ifdef GEANT4_QT_DEBUG
179      printf("***************************  CASE 3 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
180#endif
181      // However, union cutaways are implemented in DrawDisplayLists, so make
182      // an extra pass...
183      if (fVP.IsCutaway() &&
184          fVP.GetCutawayMode() == G4ViewParameters::cutawayUnion) {
185        ClearView();
186        DrawDisplayLists ();
187        FinishView ();
188#ifdef GEANT4_QT_DEBUG
189        printf("***************************  CASE 4 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
190#endif
191      } else { // ADD TO AVOID KernelVisit=1 and nothing to display
192        DrawDisplayLists ();
193        FinishView ();
194      }
195    }
196  }
197
198#ifdef GEANT4_QT_DEBUG
199  printf("G4OpenGLStoredQtViewer::DrawView %d %d ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n",WinSize_x, WinSize_y);
200#endif
201  hasToRepaint =true;
202}
203
204
205//////////////////////////////////////////////////////////////////////////////
206void G4OpenGLStoredQtViewer::FinishView (
207)
208//////////////////////////////////////////////////////////////////////////////
209//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
210{
211#ifdef GEANT4_QT_DEBUG
212  printf("G4OpenGLStoredQtViewer::FinishView VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n");
213#endif
214
215  glFlush ();
216  swapBuffers ();
217#ifdef GEANT4_QT_DEBUG
218  printf("G4OpenGLStoredQtViewer::FinishView ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
219#endif
220
221}
222
223
224/**
225   - Lors du resize de la fenetre, on doit non pas redessiner le detecteur, mais aussi les evenements
226*/
227void G4OpenGLStoredQtViewer::resizeGL(
228                                      int aWidth
229                                      ,int aHeight)
230{ 
231  setupViewport(aWidth,aHeight);
232
233  if (((WinSize_x != (G4int)aWidth)) || (WinSize_y != (G4int) aHeight)) {
234    hasToRepaint =true;
235  }
236  WinSize_x = (G4int) aWidth;
237  WinSize_y = (G4int) aHeight;
238 
239#ifdef GEANT4_QT_DEBUG
240  printf("G4OpenGLStoredQtViewer::resizeGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ %d %d=%d %d=%d\n",hasToRepaint,width(),aWidth,height(),aHeight);
241#endif
242}
243
244
245/**
246    @see :
247*/
248
249void G4OpenGLStoredQtViewer::paintGL()
250{
251     
252  if (!readyToPaint) {
253#ifdef GEANT4_QT_DEBUG
254    printf("G4OpenGLStoredQtViewer::paintGL ============  Not ready %d\n",readyToPaint);
255#endif
256    readyToPaint= true;
257    return;
258  }
259  // DO NOT RESIZE IF SIZE HAS NOT CHANGE :
260  //    WHEN CLICK ON THE FRAME FOR EXAMPLE
261  //    EXECEPT WHEN MOUSE MOVE EVENT
262  if ( !hasToRepaint) {
263    if (((WinSize_x == (G4int)width())) &&(WinSize_y == (G4int) height())) {
264#ifdef GEANT4_QT_DEBUG
265      printf("G4OpenGLStoredQtViewer::paintGL ============  Dont repaint\n");
266#endif
267      return;
268    }
269  }
270  nbPaint++;
271#ifdef GEANT4_QT_DEBUG
272  printf("G4OpenGLStoredQtViewer::paintGL VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV %d ready %d\n",nbPaint,readyToPaint);
273#endif
274  WinSize_x = (G4int) width();
275  WinSize_y = (G4int) height();
276     
277  setupViewport(width(),height());
278  //     glViewport (0, 0, width(), height());
279  //   glLoadIdentity();
280     
281     
282  SetView();
283     
284  //   //  printf("before ClearView\n");
285#ifdef GEANT4_QT_DEBUG
286  printf("    ClearView\n");
287#endif
288     
289  ClearView (); //ok, put the background correct
290  DrawView();
291     
292  hasToRepaint =false;
293     
294#ifdef GEANT4_QT_DEBUG
295  printf("G4OpenGLStoredQtViewer::paintGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ %d ready %d\n",nbPaint,readyToPaint);
296#endif
297}
298
299void G4OpenGLStoredQtViewer::mousePressEvent(QMouseEvent *event)
300{
301  if ((event->buttons() & Qt::LeftButton)
302      && !((event->modifiers() & Qt::ShiftModifier)
303           || (event->modifiers() & Qt::ControlModifier)
304           || (event->modifiers() & Qt::AltModifier)
305           || (event->modifiers() & Qt::MetaModifier))) {
306#ifdef GEANT4_QT_DEBUG
307    printf("G4OpenGLStoredQtViewer::mousePressEvent\n");
308#endif
309    setMouseTracking(true);
310    G4MousePressEvent(event->pos());
311  }
312}
313
314void G4OpenGLStoredQtViewer::keyPressEvent (QKeyEvent * event)
315{
316  G4keyPressEvent(event);
317}
318
319/**
320 * This function was build in order to make a zoom on double clic event.
321 * It was think to build a rubberband on the zoom area, but never work fine
322 */
323void G4OpenGLStoredQtViewer::mouseDoubleClickEvent(QMouseEvent *event)
324{
325#ifdef GEANT4_QT_DEBUG
326  printf("G4OpenGLStoredQtViewer::mouseDoubleClickEvent\n");
327#endif
328  //   setMouseTracking(true);
329  //   glBufferImage = grabFrameBuffer().convertToFormat(QImage::Format_ARGB32);//_Premultiplied); 
330}
331
332void G4OpenGLStoredQtViewer::mouseReleaseEvent(QMouseEvent *event)
333{
334#ifdef GEANT4_QT_DEBUG
335  printf("G4OpenGLStoredQtViewer::mouseReleaseEvent\n");
336#endif
337  //   setMouseTracking(false);
338}
339
340void G4OpenGLStoredQtViewer::mouseMoveEvent(QMouseEvent *event)
341{
342
343#if QT_VERSION < 0x040000
344  G4MouseEvent(event->x(),event->y(),event->state());
345#else
346  G4MouseEvent(event->x(),event->y(),event->buttons());
347#endif
348}
349
350
351void G4OpenGLStoredQtViewer::contextMenuEvent(QContextMenuEvent *e)
352{
353#ifdef GEANT4_QT_DEBUG
354  printf("G4OpenGLStoredQtViewer::contextMenuEvent\n");
355#endif
356  manageContextMenuEvent(e);
357}
358
359void G4OpenGLStoredQtViewer::updateQWidget() {
360  hasToRepaint= true;
361  updateGL();
362  hasToRepaint= false;
363}
364
365
366#endif
367
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