source: trunk/geant4/visualization/OpenGL/src/G4OpenGLStoredQtViewer.cc @ 678

Last change on this file since 678 was 678, checked in by garnier, 16 years ago

modifs de test pour rubberband et mise en place du button mouse zoom
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26//
27// $Id: G4OpenGLStoredQtViewer.cc,v 1.6 2007/11/15 18:24:28 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#include "G4VisManager.hh"
40
41#include "G4ios.hh"
42
43//#include <qmouseevent.h>
44#include <qevent.h> // include <qcontextmenuevent.h>
45#include <qpainter.h>
46
47G4OpenGLStoredQtViewer::G4OpenGLStoredQtViewer
48(G4OpenGLStoredSceneHandler& sceneHandler,
49 const G4String&  name):
50 G4VViewer (sceneHandler, sceneHandler.IncrementViewCount (), name),
51 G4OpenGLViewer (sceneHandler),
52 G4OpenGLQtViewer (sceneHandler),
53 G4OpenGLStoredViewer (sceneHandler),
54 QGLWidget(QGLFormat(QGL::SampleBuffers))             // FIXME : gerer le pb du parent !
55 {
56   nbPaint =0;
57   hasToRepaint =false;
58  if (fViewId < 0) return;  // In case error in base class instantiation.
59}
60
61G4OpenGLStoredQtViewer::~G4OpenGLStoredQtViewer() {
62#ifdef GEANT4_QT_DEBUG
63   printf("GLWidget::~GLWidget \n");
64#endif
65   makeCurrent();
66   // this is connect to the Dialog for deleting it properly
67   // when close event.
68   //   ((QDialog*)window())->reject();
69#ifdef GEANT4_QT_DEBUG
70   printf("GLWidget::~GLWidget END\n");
71#endif
72}
73
74void G4OpenGLStoredQtViewer::Initialise() {
75#ifdef GEANT4_QT_DEBUG
76   printf("GLWidget::Initialise \n");
77#endif
78   readyToPaint = false;
79   CreateGLQtContext ();
80#ifdef GEANT4_QT_DEBUG
81   printf("G4OpenGLStoredQtViewer::Initialise () 2\n");
82#endif
83  CreateMainWindow (this);
84#ifdef GEANT4_QT_DEBUG
85  printf("G4OpenGLStoredQtViewer::Initialise () 3\n");
86#endif
87  //  CreateFontLists ();  // FIXME Does nothing!
88 
89#ifdef GEANT4_QT_DEBUG
90  printf("readyToPaint = true \n");
91#endif
92  readyToPaint = true;
93 
94  // First Draw
95  SetView();
96#ifdef GEANT4_QT_DEBUG
97  printf("    ClearView\n");
98#endif
99  ClearView (); //ok, put the background correct
100  FinishView();
101#ifdef GEANT4_QT_DEBUG
102  printf("G4OpenGLStoredQtViewer::Initialise () 4\n");
103#endif
104}
105
106void G4OpenGLStoredQtViewer::initializeGL () {
107
108   InitializeGLView ();
109
110#ifdef GEANT4_QT_DEBUG
111   printf("G4OpenGLStoredQtViewer::InitialiseGL () 1\n");
112#endif
113
114   // clear the buffers and window.
115   ClearView ();
116   //   printf("G4OpenGLStoredQtViewer::InitialiseGL () 2\n");
117   FinishView ();
118   
119   glDepthFunc (GL_LEQUAL);
120   glDepthMask (GL_TRUE);
121
122   hasToRepaint =true;
123
124#ifdef GEANT4_QT_DEBUG
125   printf("G4OpenGLStoredQtViewer::InitialiseGL  -------------------------------------------------------------------------------------\n");
126#endif
127}
128
129
130void G4OpenGLStoredQtViewer::DrawView () {
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#ifdef GEANT4_QT_DEBUG
202   printf("G4OpenGLStoredQtViewer::DrawView %d %d ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n",WinSize_x, WinSize_y);
203#endif
204   hasToRepaint =true;
205}
206
207
208//////////////////////////////////////////////////////////////////////////////
209void G4OpenGLStoredQtViewer::FinishView (
210)
211//////////////////////////////////////////////////////////////////////////////
212//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
213{
214#ifdef GEANT4_QT_DEBUG
215  printf("G4OpenGLStoredQtViewer::FinishView VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n");
216#endif
217
218  glFlush ();
219  swapBuffers ();
220#ifdef GEANT4_QT_DEBUG
221  printf("G4OpenGLStoredQtViewer::FinishView ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
222#endif
223
224}
225
226
227/**
228 - Lors du resize de la fenetre, on doit non pas redessiner le detecteur, mais aussi les evenements
229 */
230void G4OpenGLStoredQtViewer::resizeGL(
231 int aWidth
232,int aHeight)
233{ 
234  setupViewport(aWidth,aHeight);
235
236//   glViewport(0, 0, aWidth, aHeight);
237//   glMatrixMode(GL_PROJECTION);
238//   glMatrixMode(GL_MODELVIEW);
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     
259     if (!readyToPaint) {
260#ifdef GEANT4_QT_DEBUG
261       printf("G4OpenGLStoredQtViewer::paintGL ============  Not ready %d\n",readyToPaint);
262#endif
263       readyToPaint= true;
264       return;
265     }
266     // DO NOT RESIZE IF SIZE HAS NOT CHANGE :
267     //    WHEN CLICK ON THE FRAME FOR EXAMPLE
268     //    EXECEPT WHEN MOUSE MOVE EVENT
269     if ( !hasToRepaint) {
270       if (((WinSize_x == (G4int)width())) &&(WinSize_y == (G4int) height())) {
271#ifdef GEANT4_QT_DEBUG
272         printf("G4OpenGLStoredQtViewer::paintGL ============  Dont repaint\n");
273#endif
274         return;
275       }
276     }
277     nbPaint++;
278#ifdef GEANT4_QT_DEBUG
279     printf("G4OpenGLStoredQtViewer::paintGL VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV %d ready %d\n",nbPaint,readyToPaint);
280#endif
281     WinSize_x = (G4int) width();
282     WinSize_y = (G4int) height();
283     
284     setupViewport(width(),height());
285     //     glViewport (0, 0, width(), height());
286     //   glLoadIdentity();
287     
288     
289     SetView();
290     
291     //   //  printf("before ClearView\n");
292#ifdef GEANT4_QT_DEBUG
293     printf("    ClearView\n");
294#endif
295     
296     ClearView (); //ok, put the background correct
297     DrawView();
298     
299     hasToRepaint =false;
300     
301#ifdef GEANT4_QT_DEBUG
302     printf("G4OpenGLStoredQtViewer::paintGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ %d ready %d\n",nbPaint,readyToPaint);
303#endif
304 }
305
306void G4OpenGLStoredQtViewer::mousePressEvent(QMouseEvent *event)
307{
308#ifdef GEANT4_QT_DEBUG
309  printf("G4OpenGLStoredQtViewer::mousePressEvent\n");
310#endif
311  setMouseTracking(true);
312  G4MousePressEvent(event->pos());
313}
314
315/**
316 * This function was build in order to make a zoom on double clic event.
317 * It was think to build a rubberband on the zoom area, but never work fine
318 */
319void G4OpenGLStoredQtViewer::mouseDoubleClickEvent(QMouseEvent *event)
320{
321#ifdef GEANT4_QT_DEBUG
322  printf("G4OpenGLStoredQtViewer::mouseDoubleClickEvent\n");
323#endif
324//   setMouseTracking(true);
325//   glBufferImage = grabFrameBuffer().convertToFormat(QImage::Format_ARGB32);//_Premultiplied); 
326}
327
328void G4OpenGLStoredQtViewer::mouseReleaseEvent(QMouseEvent *event)
329{
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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