source: trunk/source/visualization/OpenGL/src/G4OpenGLStoredQtViewer.cc@ 866

Last change on this file since 866 was 866, checked in by garnier, 17 years ago

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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 1.18 2008/10/15 10:29:39 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 no scene...
54// if (fSceneHandler.GetScene() == 0) {
55// G4cerr << "G4OpenGLStoredQtViewer: Creating a Viewer without a scene is not allowed. \nPlease use /vis/scene/create before /vis/open/.... "
56// << G4endl;
57// return;
58// }
59
60 //set true to picking
61 fVP.SetPicking(true);
62#if QT_VERSION < 0x040000
63 setFocusPolicy(QWidget::StrongFocus); // enable keybord events
64#else
65 setFocusPolicy(Qt::StrongFocus); // enable keybord events
66#endif
67 nbPaint =0;
68 hasToRepaint =false;
69
70 if (fViewId < 0) return; // In case error in base class instantiation.
71}
72
73G4OpenGLStoredQtViewer::~G4OpenGLStoredQtViewer() {
74#ifdef GEANT4_QT_DEBUG
75 printf("GLWidget::~GLWidget \n");
76#endif
77 makeCurrent();
78 // this is connect to the Dialog for deleting it properly
79 // when close event.
80 // ((QDialog*)window())->reject();
81#ifdef GEANT4_QT_DEBUG
82 printf("GLWidget::~GLWidget END\n");
83#endif
84}
85
86void G4OpenGLStoredQtViewer::Initialise() {
87#ifdef GEANT4_QT_DEBUG
88 printf("G4OpenGLStoredQtViewer::Initialise 1\n");
89#endif
90 readyToPaint = false;
91 CreateGLQtContext ();
92#ifdef GEANT4_QT_DEBUG
93 printf("G4OpenGLStoredQtViewer::Initialise () 2\n");
94#endif
95 CreateMainWindow (this,QString(fName));
96#ifdef GEANT4_QT_DEBUG
97 printf("G4OpenGLStoredQtViewer::Initialise () 3\n");
98#endif
99 CreateFontLists (); // FIXME Does nothing!
100
101#ifdef GEANT4_QT_DEBUG
102 printf("readyToPaint = true \n");
103#endif
104 readyToPaint = true;
105}
106
107void G4OpenGLStoredQtViewer::initializeGL () {
108
109 InitializeGLView ();
110
111#ifdef GEANT4_QT_DEBUG
112 printf("G4OpenGLStoredQtViewer::InitialiseGL () 1\n");
113#endif
114
115 // clear the buffers and window.
116 ClearView ();
117 // printf("G4OpenGLStoredQtViewer::InitialiseGL () 2\n");
118 FinishView ();
119
120 glDepthFunc (GL_LEQUAL);
121 glDepthMask (GL_TRUE);
122
123 if (fSceneHandler.GetScene() == 0) {
124 hasToRepaint =false;
125 } else {
126 hasToRepaint =true;
127 }
128
129#ifdef GEANT4_QT_DEBUG
130 printf("G4OpenGLStoredQtViewer::InitialiseGL -------------------------------------------------------------------------------------\n");
131#endif
132}
133
134
135void G4OpenGLStoredQtViewer::DrawView () {
136
137#ifdef GEANT4_QT_DEBUG
138 printf("G4OpenGLQtViewer::setupViewport\n");
139 printf("G4OpenGLStoredQtViewer::DrawView %d %d VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n",WinSize_x, WinSize_y);
140#endif
141 G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
142
143 //Make sure current viewer is attached and clean...
144 //Qt version needed
145 // glViewport (0, 0, WinSize_x, WinSize_y);
146
147 //See if things have changed from last time and remake if necessary...
148 // The fNeedKernelVisit flag might have been set by the user in
149 // /vis/viewer/rebuild, but if not, make decision and set flag only
150 // if necessary...
151 if (!fNeedKernelVisit)
152
153 if (!fNeedKernelVisit) KernelVisitDecision ();
154
155 G4bool kernelVisitWasNeeded = fNeedKernelVisit; // Keep (ProcessView resets).
156 ProcessView ();
157
158
159 if(style!=G4ViewParameters::hlr &&
160 haloing_enabled) {
161#ifdef GEANT4_QT_DEBUG
162 printf("G4OpenGLStoredQtViewer::DrawView DANS LE IF\n");
163#endif
164
165 HaloingFirstPass ();
166 DrawDisplayLists ();
167 glFlush ();
168
169 HaloingSecondPass ();
170
171 DrawDisplayLists ();
172 FinishView ();
173
174 } else {
175
176 // If kernel visit was needed, drawing and FinishView will already
177 // have been done, so...
178 if (!kernelVisitWasNeeded) {
179#ifdef GEANT4_QT_DEBUG
180 printf("************************** G4OpenGLStoredQtViewer::DrawView Don't need kernel Visit \n");
181#endif
182 DrawDisplayLists ();
183 FinishView ();
184 } else {
185#ifdef GEANT4_QT_DEBUG
186 printf("************************** G4OpenGLStoredQtViewer::DrawView need kernel Visit \n");
187#endif
188 // However, union cutaways are implemented in DrawDisplayLists, so make
189 // an extra pass...
190 if (fVP.IsCutaway() &&
191 fVP.GetCutawayMode() == G4ViewParameters::cutawayUnion) {
192 ClearView();
193 DrawDisplayLists ();
194 FinishView ();
195#ifdef GEANT4_QT_DEBUG
196 printf("*************************** CASE 4 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
197#endif
198 } else { // ADD TO AVOID KernelVisit=1 and nothing to display
199 DrawDisplayLists ();
200 FinishView ();
201 }
202 }
203 }
204
205 if (isRecording()) {
206 savePPMToTemp();
207 }
208
209#ifdef GEANT4_QT_DEBUG
210 printf("G4OpenGLStoredQtViewer::DrawView %d %d ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n",WinSize_x, WinSize_y);
211#endif
212 hasToRepaint =true;
213}
214
215
216//////////////////////////////////////////////////////////////////////////////
217void G4OpenGLStoredQtViewer::FinishView (
218)
219//////////////////////////////////////////////////////////////////////////////
220//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
221{
222 glFlush ();
223 swapBuffers ();
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 if (((WinSize_x != (G4int)aWidth)) || (WinSize_y != (G4int) aHeight)) {
237 hasToRepaint =true;
238 }
239 WinSize_x = (G4int) aWidth;
240 WinSize_y = (G4int) aHeight;
241
242#ifdef GEANT4_QT_DEBUG
243 printf("G4OpenGLStoredQtViewer::resizeGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ %d %d=%d %d=%d\n",hasToRepaint,width(),aWidth,height(),aHeight);
244#endif
245}
246
247
248/**
249 @see :
250*/
251
252void G4OpenGLStoredQtViewer::paintGL()
253{
254 if (!readyToPaint) {
255#ifdef GEANT4_QT_DEBUG
256 printf("G4OpenGLStoredQtViewer::paintGL ============ Not ready %d\n",readyToPaint);
257#endif
258 readyToPaint= true;
259 return;
260 }
261 // DO NOT RESIZE IF SIZE HAS NOT CHANGE :
262 // WHEN CLICK ON THE FRAME FOR EXAMPLE
263 // EXECEPT WHEN MOUSE MOVE EVENT
264 if ( !hasToRepaint) {
265 if (((WinSize_x == (G4int)width())) &&(WinSize_y == (G4int) height())) {
266#ifdef GEANT4_QT_DEBUG
267 printf("G4OpenGLStoredQtViewer::paintGL ============ Dont repaint\n");
268#endif
269 return;
270 }
271 }
272 nbPaint++;
273#ifdef GEANT4_QT_DEBUG
274 printf("G4OpenGLStoredQtViewer::paintGL VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV %d ready %d\n",nbPaint,readyToPaint);
275#endif
276 WinSize_x = (G4int) width();
277 WinSize_y = (G4int) height();
278
279 setupViewport(width(),height());
280 // glViewport (0, 0, width(), height());
281 // glLoadIdentity();
282
283
284 SetView();
285
286 // // printf("before ClearView\n");
287#ifdef GEANT4_QT_DEBUG
288 printf(" ClearView\n");
289#endif
290
291 ClearView (); //ok, put the background correct
292 DrawView();
293
294 hasToRepaint =false;
295
296#ifdef GEANT4_QT_DEBUG
297 printf("G4OpenGLStoredQtViewer::paintGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ %d ready %d\n",nbPaint,readyToPaint);
298#endif
299}
300
301void G4OpenGLStoredQtViewer::mousePressEvent(QMouseEvent *event)
302{
303#if QT_VERSION < 0x040000
304 if ((event->button() & Qt::LeftButton)
305 && !((event->state() & Qt::ShiftButton)
306 || (event->state() & Qt::ControlButton)
307 || (event->state() & Qt::AltButton)
308 || (event->state() & Qt::MetaButton))) {
309#else
310 if ((event->buttons() & Qt::LeftButton)
311 && !((event->modifiers() & Qt::ShiftModifier)
312 || (event->modifiers() & Qt::ControlModifier)
313 || (event->modifiers() & Qt::AltModifier)
314 || (event->modifiers() & Qt::MetaModifier))) {
315#endif
316#ifdef GEANT4_QT_DEBUG
317 printf("G4OpenGLStoredQtViewer::mousePressEvent\n");
318#endif
319 setMouseTracking(true);
320 G4MousePressEvent(event->pos());
321 }
322}
323
324void G4OpenGLStoredQtViewer::keyPressEvent (QKeyEvent * event)
325{
326 G4keyPressEvent(event);
327}
328
329void G4OpenGLStoredQtViewer::wheelEvent (QWheelEvent * event)
330{
331 G4wheelEvent(event);
332}
333
334/**
335 * This function was build in order to make a zoom on double clic event.
336 * It was think to build a rubberband on the zoom area, but never work fine
337 */
338void G4OpenGLStoredQtViewer::mouseDoubleClickEvent(QMouseEvent *event)
339{
340#ifdef GEANT4_QT_DEBUG
341 printf("G4OpenGLStoredQtViewer::mouseDoubleClickEvent\n");
342#endif
343 setMouseTracking(true);
344 // glBufferImage = grabFrameBuffer().convertToFormat(QImage::Format_ARGB32);//_Premultiplied);
345}
346
347void G4OpenGLStoredQtViewer::mouseReleaseEvent(QMouseEvent *event)
348{
349 G4MouseReleaseEvent();
350#ifdef GEANT4_QT_DEBUG
351 printf("G4OpenGLStoredQtViewer::mouseReleaseEvent ================\n");
352#endif
353 setMouseTracking(false);
354}
355
356void G4OpenGLStoredQtViewer::mouseMoveEvent(QMouseEvent *event)
357{
358
359#if QT_VERSION < 0x040000
360 G4MouseMoveEvent(event->x(),event->y(),event->state());
361#else
362 G4MouseMoveEvent(event->x(),event->y(),event->buttons());
363#endif
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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