source: trunk/geant4/visualization/OpenGL/src/G4OpenGLStoredQtViewer.cc @ 693

Last change on this file since 693 was 690, checked in by garnier, 17 years ago

correction du ticket #108
  • Property svn:mime-type set to text/cpp
File size: 10.5 KB
Line 
1//
2// ********************************************************************
3// * License and Disclaimer                                           *
4// *                                                                  *
5// * The  Geant4 software  is  copyright of the Copyright Holders  of *
6// * the Geant4 Collaboration.  It is provided  under  the terms  and *
7// * conditions of the Geant4 Software License,  included in the file *
8// * LICENSE and available at  http://cern.ch/geant4/license .  These *
9// * include a list of copyright holders.                             *
10// *                                                                  *
11// * Neither the authors of this software system, nor their employing *
12// * institutes,nor the agencies providing financial support for this *
13// * work  make  any representation or  warranty, express or implied, *
14// * regarding  this  software system or assume any liability for its *
15// * use.  Please see the license in the file  LICENSE  and URL above *
16// * for the full disclaimer and the limitation of liability.         *
17// *                                                                  *
18// * This  code  implementation is the result of  the  scientific and *
19// * technical work of the GEANT4 collaboration.                      *
20// * By using,  copying,  modifying or  distributing the software (or *
21// * any work based  on the software)  you  agree  to acknowledge its *
22// * use  in  resulting  scientific  publications,  and indicate your *
23// * acceptance of all terms of the Geant4 Software license.          *
24// ********************************************************************
25//
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  nbPaint =0;
55  hasToRepaint =false;
56  if (fViewId < 0) return;  // In case error in base class instantiation.
57}
58
59G4OpenGLStoredQtViewer::~G4OpenGLStoredQtViewer() {
60#ifdef GEANT4_QT_DEBUG
61  printf("GLWidget::~GLWidget \n");
62#endif
63  makeCurrent();
64  // this is connect to the Dialog for deleting it properly
65  // when close event.
66  //   ((QDialog*)window())->reject();
67#ifdef GEANT4_QT_DEBUG
68  printf("GLWidget::~GLWidget END\n");
69#endif
70}
71
72void G4OpenGLStoredQtViewer::Initialise() {
73#ifdef GEANT4_QT_DEBUG
74  printf("GLWidget::Initialise \n");
75#endif
76  readyToPaint = false;
77  CreateGLQtContext ();
78#ifdef GEANT4_QT_DEBUG
79  printf("G4OpenGLStoredQtViewer::Initialise () 2\n");
80#endif
81  CreateMainWindow (this);
82#ifdef GEANT4_QT_DEBUG
83  printf("G4OpenGLStoredQtViewer::Initialise () 3\n");
84#endif
85  CreateFontLists ();  // FIXME Does nothing!
86 
87#ifdef GEANT4_QT_DEBUG
88  printf("readyToPaint = true \n");
89#endif
90  readyToPaint = true;
91 
92  // First Draw
93  SetView();
94#ifdef GEANT4_QT_DEBUG
95  printf("    ClearView\n");
96#endif
97  ClearView (); //ok, put the background correct
98  FinishView();
99}
100
101void G4OpenGLStoredQtViewer::initializeGL () {
102
103  InitializeGLView ();
104
105#ifdef GEANT4_QT_DEBUG
106  printf("G4OpenGLStoredQtViewer::InitialiseGL () 1\n");
107#endif
108
109  // clear the buffers and window.
110  ClearView ();
111  //   printf("G4OpenGLStoredQtViewer::InitialiseGL () 2\n");
112  FinishView ();
113   
114  glDepthFunc (GL_LEQUAL);
115  glDepthMask (GL_TRUE);
116
117  hasToRepaint =true;
118
119#ifdef GEANT4_QT_DEBUG
120  printf("G4OpenGLStoredQtViewer::InitialiseGL  -------------------------------------------------------------------------------------\n");
121#endif
122}
123
124
125void G4OpenGLStoredQtViewer::DrawView () {
126
127#ifdef GEANT4_QT_DEBUG
128  printf("G4OpenGLStoredQtViewer::DrawView %d %d   VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n",WinSize_x, WinSize_y);
129#endif
130  G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
131
132  //Make sure current viewer is attached and clean...
133  //Qt version needed
134  //   glViewport (0, 0, WinSize_x, WinSize_y);
135
136  //See if things have changed from last time and remake if necessary...
137  // The fNeedKernelVisit flag might have been set by the user in
138  // /vis/viewer/rebuild, but if not, make decision and set flag only
139  // if necessary...
140  if (!fNeedKernelVisit)
141
142    if (!fNeedKernelVisit) KernelVisitDecision ();
143   
144  G4bool kernelVisitWasNeeded = fNeedKernelVisit; // Keep (ProcessView resets).
145  ProcessView ();
146   
147
148  if(style!=G4ViewParameters::hlr &&
149     haloing_enabled) {
150#ifdef GEANT4_QT_DEBUG
151    printf("G4OpenGLStoredQtViewer::DrawView DANS LE IF\n");
152#endif
153
154    HaloingFirstPass ();
155    DrawDisplayLists ();
156    glFlush ();
157
158    HaloingSecondPass ();
159
160    DrawDisplayLists ();
161    FinishView ();
162
163  } else {
164#ifdef GEANT4_QT_DEBUG
165    printf("***************************  CASE 1 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
166#endif
167     
168    // If kernel visit was needed, drawing and FinishView will already
169    // have been done, so...
170    if (!kernelVisitWasNeeded) {
171#ifdef GEANT4_QT_DEBUG
172      printf("***************************  CASE 2 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
173#endif
174      DrawDisplayLists ();
175      FinishView ();
176    } else {
177#ifdef GEANT4_QT_DEBUG
178      printf("***************************  CASE 3 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
179#endif
180      // However, union cutaways are implemented in DrawDisplayLists, so make
181      // an extra pass...
182      if (fVP.IsCutaway() &&
183          fVP.GetCutawayMode() == G4ViewParameters::cutawayUnion) {
184        ClearView();
185        DrawDisplayLists ();
186        FinishView ();
187#ifdef GEANT4_QT_DEBUG
188        printf("***************************  CASE 4 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
189#endif
190      } else { // ADD TO AVOID KernelVisit=1 and nothing to display
191        DrawDisplayLists ();
192        FinishView ();
193      }
194    }
195  }
196
197#ifdef GEANT4_QT_DEBUG
198  printf("G4OpenGLStoredQtViewer::DrawView %d %d ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n",WinSize_x, WinSize_y);
199#endif
200  hasToRepaint =true;
201}
202
203
204//////////////////////////////////////////////////////////////////////////////
205void G4OpenGLStoredQtViewer::FinishView (
206)
207//////////////////////////////////////////////////////////////////////////////
208//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
209{
210#ifdef GEANT4_QT_DEBUG
211  printf("G4OpenGLStoredQtViewer::FinishView VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n");
212#endif
213
214  glFlush ();
215  swapBuffers ();
216#ifdef GEANT4_QT_DEBUG
217  printf("G4OpenGLStoredQtViewer::FinishView ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
218#endif
219
220}
221
222
223/**
224   - Lors du resize de la fenetre, on doit non pas redessiner le detecteur, mais aussi les evenements
225*/
226void G4OpenGLStoredQtViewer::resizeGL(
227                                      int aWidth
228                                      ,int aHeight)
229{ 
230  setupViewport(aWidth,aHeight);
231
232  if (((WinSize_x != (G4int)aWidth)) || (WinSize_y != (G4int) aHeight)) {
233    hasToRepaint =true;
234  }
235  WinSize_x = (G4int) aWidth;
236  WinSize_y = (G4int) aHeight;
237 
238#ifdef GEANT4_QT_DEBUG
239  printf("G4OpenGLStoredQtViewer::resizeGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ %d %d=%d %d=%d\n",hasToRepaint,width(),aWidth,height(),aHeight);
240#endif
241}
242
243
244/**
245    @see :
246*/
247
248void G4OpenGLStoredQtViewer::paintGL()
249{
250     
251  if (!readyToPaint) {
252#ifdef GEANT4_QT_DEBUG
253    printf("G4OpenGLStoredQtViewer::paintGL ============  Not ready %d\n",readyToPaint);
254#endif
255    readyToPaint= true;
256    return;
257  }
258  // DO NOT RESIZE IF SIZE HAS NOT CHANGE :
259  //    WHEN CLICK ON THE FRAME FOR EXAMPLE
260  //    EXECEPT WHEN MOUSE MOVE EVENT
261  if ( !hasToRepaint) {
262    if (((WinSize_x == (G4int)width())) &&(WinSize_y == (G4int) height())) {
263#ifdef GEANT4_QT_DEBUG
264      printf("G4OpenGLStoredQtViewer::paintGL ============  Dont repaint\n");
265#endif
266      return;
267    }
268  }
269  nbPaint++;
270#ifdef GEANT4_QT_DEBUG
271  printf("G4OpenGLStoredQtViewer::paintGL VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV %d ready %d\n",nbPaint,readyToPaint);
272#endif
273  WinSize_x = (G4int) width();
274  WinSize_y = (G4int) height();
275     
276  setupViewport(width(),height());
277  //     glViewport (0, 0, width(), height());
278  //   glLoadIdentity();
279     
280     
281  SetView();
282     
283  //   //  printf("before ClearView\n");
284#ifdef GEANT4_QT_DEBUG
285  printf("    ClearView\n");
286#endif
287     
288  ClearView (); //ok, put the background correct
289  DrawView();
290     
291  hasToRepaint =false;
292     
293#ifdef GEANT4_QT_DEBUG
294  printf("G4OpenGLStoredQtViewer::paintGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ %d ready %d\n",nbPaint,readyToPaint);
295#endif
296}
297
298void G4OpenGLStoredQtViewer::mousePressEvent(QMouseEvent *event)
299{
300  if ((event->buttons() & Qt::LeftButton)
301      && !((event->modifiers() & Qt::ShiftModifier)
302           || (event->modifiers() & Qt::ControlModifier)
303           || (event->modifiers() & Qt::AltModifier)
304           || (event->modifiers() & Qt::MetaModifier))) {
305#ifdef GEANT4_QT_DEBUG
306    printf("G4OpenGLStoredQtViewer::mousePressEvent\n");
307#endif
308    setMouseTracking(true);
309    G4MousePressEvent(event->pos());
310  }
311}
312
313/**
314 * This function was build in order to make a zoom on double clic event.
315 * It was think to build a rubberband on the zoom area, but never work fine
316 */
317void G4OpenGLStoredQtViewer::mouseDoubleClickEvent(QMouseEvent *event)
318{
319#ifdef GEANT4_QT_DEBUG
320  printf("G4OpenGLStoredQtViewer::mouseDoubleClickEvent\n");
321#endif
322  //   setMouseTracking(true);
323  //   glBufferImage = grabFrameBuffer().convertToFormat(QImage::Format_ARGB32);//_Premultiplied); 
324}
325
326void G4OpenGLStoredQtViewer::mouseReleaseEvent(QMouseEvent *event)
327{
328#ifdef GEANT4_QT_DEBUG
329  printf("G4OpenGLStoredQtViewer::mouseReleaseEvent\n");
330#endif
331  //   setMouseTracking(false);
332}
333
334void G4OpenGLStoredQtViewer::mouseMoveEvent(QMouseEvent *event)
335{
336
337#if QT_VERSION < 0x040000
338  G4MouseMoveEvent(event->x(),event->y(),event->state());
339#else
340  G4MouseMoveEvent(event->x(),event->y(),event->buttons());
341#endif
342}
343
344
345void G4OpenGLStoredQtViewer::contextMenuEvent(QContextMenuEvent *e)
346{
347#ifdef GEANT4_QT_DEBUG
348  printf("G4OpenGLStoredQtViewer::contextMenuEvent\n");
349#endif
350  manageContextMenuEvent(e);
351}
352
353void G4OpenGLStoredQtViewer::updateQWidget() {
354  hasToRepaint= true;
355  updateGL();
356  hasToRepaint= false;
357}
358
359
360#endif
Note: See TracBrowser for help on using the repository browser.