source: trunk/geant4/visualization/OpenGL/src/G4OpenGLStoredQtViewer.cc @ 797

Last change on this file since 797 was 797, checked in by garnier, 16 years ago

r832@wl-72126: garnier | 2008-05-13 18:30:21 +0200
mise a jour du SPINNING
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6// * the Geant4 Collaboration.  It is provided  under  the terms  and *
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25//
26//
27// $Id: G4OpenGLStoredQtViewer.cc,v 1.14 2008/04/29 16:58:04 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
97void G4OpenGLStoredQtViewer::initializeGL () {
98
99  InitializeGLView ();
100
101#ifdef GEANT4_QT_DEBUG
102  printf("G4OpenGLStoredQtViewer::InitialiseGL () 1\n");
103#endif
104
105  // clear the buffers and window.
106  ClearView ();
107  //   printf("G4OpenGLStoredQtViewer::InitialiseGL () 2\n");
108  FinishView ();
109   
110  glDepthFunc (GL_LEQUAL);
111  glDepthMask (GL_TRUE);
112
113  hasToRepaint =true;
114
115#ifdef GEANT4_QT_DEBUG
116  printf("G4OpenGLStoredQtViewer::InitialiseGL  -------------------------------------------------------------------------------------\n");
117#endif
118}
119
120
121void G4OpenGLStoredQtViewer::DrawView () {
122
123#ifdef GEANT4_QT_DEBUG
124  printf("G4OpenGLStoredQtViewer::DrawView %d %d   VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n",WinSize_x, WinSize_y);
125#endif
126  G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
127
128  //Make sure current viewer is attached and clean...
129  //Qt version needed
130  //   glViewport (0, 0, WinSize_x, WinSize_y);
131
132  //See if things have changed from last time and remake if necessary...
133  // The fNeedKernelVisit flag might have been set by the user in
134  // /vis/viewer/rebuild, but if not, make decision and set flag only
135  // if necessary...
136  if (!fNeedKernelVisit)
137
138    if (!fNeedKernelVisit) KernelVisitDecision ();
139   
140  G4bool kernelVisitWasNeeded = fNeedKernelVisit; // Keep (ProcessView resets).
141  ProcessView ();
142   
143
144  if(style!=G4ViewParameters::hlr &&
145     haloing_enabled) {
146#ifdef GEANT4_QT_DEBUG
147    printf("G4OpenGLStoredQtViewer::DrawView DANS LE IF\n");
148#endif
149
150    HaloingFirstPass ();
151    DrawDisplayLists ();
152    glFlush ();
153
154    HaloingSecondPass ();
155
156    DrawDisplayLists ();
157    FinishView ();
158
159  } else {
160     
161    // If kernel visit was needed, drawing and FinishView will already
162    // have been done, so...
163    if (!kernelVisitWasNeeded) {
164#ifdef GEANT4_QT_DEBUG
165      printf("**************************  G4OpenGLStoredQtViewer::DrawView Don't need kernel Visit \n");
166#endif
167      DrawDisplayLists ();
168      FinishView ();
169    } else {
170#ifdef GEANT4_QT_DEBUG
171      printf("**************************  G4OpenGLStoredQtViewer::DrawView need kernel Visit \n");
172#endif
173      // However, union cutaways are implemented in DrawDisplayLists, so make
174      // an extra pass...
175      if (fVP.IsCutaway() &&
176          fVP.GetCutawayMode() == G4ViewParameters::cutawayUnion) {
177        ClearView();
178        DrawDisplayLists ();
179        FinishView ();
180#ifdef GEANT4_QT_DEBUG
181        printf("***************************  CASE 4 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
182#endif
183      } else { // ADD TO AVOID KernelVisit=1 and nothing to display
184        DrawDisplayLists ();
185        FinishView ();
186      }
187    }
188  }
189
190  if (isRecording()) {
191    savePPMToTemp();
192  }
193
194#ifdef GEANT4_QT_DEBUG
195  printf("G4OpenGLStoredQtViewer::DrawView %d %d ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n",WinSize_x, WinSize_y);
196#endif
197  hasToRepaint =true;
198}
199
200
201//////////////////////////////////////////////////////////////////////////////
202void G4OpenGLStoredQtViewer::FinishView (
203)
204//////////////////////////////////////////////////////////////////////////////
205//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
206{
207  glFlush ();
208  swapBuffers ();
209}
210
211
212/**
213   - Lors du resize de la fenetre, on doit non pas redessiner le detecteur, mais aussi les evenements
214*/
215void G4OpenGLStoredQtViewer::resizeGL(
216                                      int aWidth
217                                      ,int aHeight)
218{ 
219  setupViewport(aWidth,aHeight);
220
221  if (((WinSize_x != (G4int)aWidth)) || (WinSize_y != (G4int) aHeight)) {
222    hasToRepaint =true;
223  }
224  WinSize_x = (G4int) aWidth;
225  WinSize_y = (G4int) aHeight;
226 
227#ifdef GEANT4_QT_DEBUG
228  printf("G4OpenGLStoredQtViewer::resizeGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ %d %d=%d %d=%d\n",hasToRepaint,width(),aWidth,height(),aHeight);
229#endif
230}
231
232
233/**
234    @see :
235*/
236
237void G4OpenGLStoredQtViewer::paintGL()
238{
239  if (!readyToPaint) {
240#ifdef GEANT4_QT_DEBUG
241    printf("G4OpenGLStoredQtViewer::paintGL ============  Not ready %d\n",readyToPaint);
242#endif
243    readyToPaint= true;
244    return;
245  }
246  // DO NOT RESIZE IF SIZE HAS NOT CHANGE :
247  //    WHEN CLICK ON THE FRAME FOR EXAMPLE
248  //    EXECEPT WHEN MOUSE MOVE EVENT
249  if ( !hasToRepaint) {
250    if (((WinSize_x == (G4int)width())) &&(WinSize_y == (G4int) height())) {
251#ifdef GEANT4_QT_DEBUG
252      printf("G4OpenGLStoredQtViewer::paintGL ============  Dont repaint\n");
253#endif
254      return;
255    }
256  }
257  nbPaint++;
258#ifdef GEANT4_QT_DEBUG
259  printf("G4OpenGLStoredQtViewer::paintGL VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV %d ready %d\n",nbPaint,readyToPaint);
260#endif
261  WinSize_x = (G4int) width();
262  WinSize_y = (G4int) height();
263     
264  setupViewport(width(),height());
265  //     glViewport (0, 0, width(), height());
266  //   glLoadIdentity();
267     
268     
269  SetView();
270     
271  //   //  printf("before ClearView\n");
272#ifdef GEANT4_QT_DEBUG
273  printf("    ClearView\n");
274#endif
275     
276  ClearView (); //ok, put the background correct
277  DrawView();
278     
279  hasToRepaint =false;
280     
281#ifdef GEANT4_QT_DEBUG
282  printf("G4OpenGLStoredQtViewer::paintGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ %d ready %d\n",nbPaint,readyToPaint);
283#endif
284}
285
286void G4OpenGLStoredQtViewer::mousePressEvent(QMouseEvent *event)
287{
288#if QT_VERSION < 0x040000
289  if ((event->button() & Qt::LeftButton)
290      && !((event->state() & Qt::ShiftButton)
291           || (event->state() & Qt::ControlButton)
292           || (event->state() & Qt::AltButton)
293           || (event->state() & Qt::MetaButton))) {
294#else
295  if ((event->buttons() & Qt::LeftButton)
296      && !((event->modifiers() & Qt::ShiftModifier)
297           || (event->modifiers() & Qt::ControlModifier)
298           || (event->modifiers() & Qt::AltModifier)
299           || (event->modifiers() & Qt::MetaModifier))) {
300#endif
301#ifdef GEANT4_QT_DEBUG
302    printf("G4OpenGLStoredQtViewer::mousePressEvent\n");
303#endif
304    setMouseTracking(true);
305    G4MousePressEvent(event->pos());
306  }
307}
308
309void G4OpenGLStoredQtViewer::keyPressEvent (QKeyEvent * event)
310{
311  G4keyPressEvent(event);
312}
313
314/**
315 * This function was build in order to make a zoom on double clic event.
316 * It was think to build a rubberband on the zoom area, but never work fine
317 */
318void G4OpenGLStoredQtViewer::mouseDoubleClickEvent(QMouseEvent *event)
319{
320#ifdef GEANT4_QT_DEBUG
321  printf("G4OpenGLStoredQtViewer::mouseDoubleClickEvent\n");
322#endif
323  setMouseTracking(true);
324  //   glBufferImage = grabFrameBuffer().convertToFormat(QImage::Format_ARGB32);//_Premultiplied); 
325}
326
327void G4OpenGLStoredQtViewer::mouseReleaseEvent(QMouseEvent *event)
328{
329  G4MouseReleaseEvent();
330#ifdef GEANT4_QT_DEBUG
331  printf("G4OpenGLStoredQtViewer::mouseReleaseEvent ================\n");
332#endif
333  setMouseTracking(false);
334}
335
336void G4OpenGLStoredQtViewer::mouseMoveEvent(QMouseEvent *event)
337{
338 
339#if QT_VERSION < 0x040000
340  G4MouseMoveEvent(event->x(),event->y(),event->state());
341#else
342  G4MouseMoveEvent(event->x(),event->y(),event->buttons());
343#endif
344}
345
346
347void G4OpenGLStoredQtViewer::contextMenuEvent(QContextMenuEvent *e)
348{
349#ifdef GEANT4_QT_DEBUG
350  printf("G4OpenGLStoredQtViewer::contextMenuEvent\n");
351#endif
352  manageContextMenuEvent(e);
353}
354
355void G4OpenGLStoredQtViewer::updateQWidget() {
356  hasToRepaint= true;
357  updateGL();
358  hasToRepaint= false;
359}
360
361
362#endif
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