source: trunk/source/visualization/OpenGL/src/G4OpenGLStoredQtViewer.cc@ 859

Last change on this file since 859 was 858, checked in by garnier, 17 years ago

protection against no scene + Qapp could be now get on external app
  • Property svn:mime-type set to text/cpp
File size: 10.9 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 1.15 2008/06/20 13:55:06 lgarnier Exp $
28// GEANT4 tag $Name: HEAD $
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
61 // if no scene...
62 if (fSceneHandler.GetScene() == 0) {
63 G4cerr << "G4OpenGLStoredQtViewer: Creating a Viewer without a scene is not allowed. \nPlease use /vis/scene/create before /vis/open/.... "
64 << G4endl;
65 return;
66 }
67 if (fViewId < 0) return; // In case error in base class instantiation.
68}
69
70G4OpenGLStoredQtViewer::~G4OpenGLStoredQtViewer() {
71#ifdef GEANT4_QT_DEBUG
72 printf("GLWidget::~GLWidget \n");
73#endif
74 makeCurrent();
75 // this is connect to the Dialog for deleting it properly
76 // when close event.
77 // ((QDialog*)window())->reject();
78#ifdef GEANT4_QT_DEBUG
79 printf("GLWidget::~GLWidget END\n");
80#endif
81}
82
83void G4OpenGLStoredQtViewer::Initialise() {
84#ifdef GEANT4_QT_DEBUG
85 printf("G4OpenGLStoredQtViewer::Initialise 1\n");
86#endif
87 readyToPaint = false;
88 CreateGLQtContext ();
89#ifdef GEANT4_QT_DEBUG
90 printf("G4OpenGLStoredQtViewer::Initialise () 2\n");
91#endif
92 CreateMainWindow (this);
93#ifdef GEANT4_QT_DEBUG
94 printf("G4OpenGLStoredQtViewer::Initialise () 3\n");
95#endif
96 CreateFontLists (); // FIXME Does nothing!
97
98#ifdef GEANT4_QT_DEBUG
99 printf("readyToPaint = true \n");
100#endif
101 readyToPaint = true;
102}
103
104void G4OpenGLStoredQtViewer::initializeGL () {
105
106 InitializeGLView ();
107
108#ifdef GEANT4_QT_DEBUG
109 printf("G4OpenGLStoredQtViewer::InitialiseGL () 1\n");
110#endif
111
112 // clear the buffers and window.
113 ClearView ();
114 // printf("G4OpenGLStoredQtViewer::InitialiseGL () 2\n");
115 FinishView ();
116
117 glDepthFunc (GL_LEQUAL);
118 glDepthMask (GL_TRUE);
119
120 hasToRepaint =true;
121
122#ifdef GEANT4_QT_DEBUG
123 printf("G4OpenGLStoredQtViewer::InitialiseGL -------------------------------------------------------------------------------------\n");
124#endif
125}
126
127
128void G4OpenGLStoredQtViewer::DrawView () {
129
130#ifdef GEANT4_QT_DEBUG
131 printf("G4OpenGLQtViewer::setupViewport\n");
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
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("************************** G4OpenGLStoredQtViewer::DrawView Don't need kernel Visit \n");
174#endif
175 DrawDisplayLists ();
176 FinishView ();
177 } else {
178#ifdef GEANT4_QT_DEBUG
179 printf("************************** G4OpenGLStoredQtViewer::DrawView need kernel Visit \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 if (isRecording()) {
199 savePPMToTemp();
200 }
201
202#ifdef GEANT4_QT_DEBUG
203 printf("G4OpenGLStoredQtViewer::DrawView %d %d ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n",WinSize_x, WinSize_y);
204#endif
205 hasToRepaint =true;
206}
207
208
209//////////////////////////////////////////////////////////////////////////////
210void G4OpenGLStoredQtViewer::FinishView (
211)
212//////////////////////////////////////////////////////////////////////////////
213//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
214{
215 glFlush ();
216 swapBuffers ();
217}
218
219
220/**
221 - Lors du resize de la fenetre, on doit non pas redessiner le detecteur, mais aussi les evenements
222*/
223void G4OpenGLStoredQtViewer::resizeGL(
224 int aWidth
225 ,int aHeight)
226{
227 setupViewport(aWidth,aHeight);
228
229 if (((WinSize_x != (G4int)aWidth)) || (WinSize_y != (G4int) aHeight)) {
230 hasToRepaint =true;
231 }
232 WinSize_x = (G4int) aWidth;
233 WinSize_y = (G4int) aHeight;
234
235#ifdef GEANT4_QT_DEBUG
236 printf("G4OpenGLStoredQtViewer::resizeGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ %d %d=%d %d=%d\n",hasToRepaint,width(),aWidth,height(),aHeight);
237#endif
238}
239
240
241/**
242 @see :
243*/
244
245void G4OpenGLStoredQtViewer::paintGL()
246{
247 if (!readyToPaint) {
248#ifdef GEANT4_QT_DEBUG
249 printf("G4OpenGLStoredQtViewer::paintGL ============ Not ready %d\n",readyToPaint);
250#endif
251 readyToPaint= true;
252 return;
253 }
254 // DO NOT RESIZE IF SIZE HAS NOT CHANGE :
255 // WHEN CLICK ON THE FRAME FOR EXAMPLE
256 // EXECEPT WHEN MOUSE MOVE EVENT
257 if ( !hasToRepaint) {
258 if (((WinSize_x == (G4int)width())) &&(WinSize_y == (G4int) height())) {
259#ifdef GEANT4_QT_DEBUG
260 printf("G4OpenGLStoredQtViewer::paintGL ============ Dont repaint\n");
261#endif
262 return;
263 }
264 }
265 nbPaint++;
266#ifdef GEANT4_QT_DEBUG
267 printf("G4OpenGLStoredQtViewer::paintGL VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV %d ready %d\n",nbPaint,readyToPaint);
268#endif
269 WinSize_x = (G4int) width();
270 WinSize_y = (G4int) height();
271
272 setupViewport(width(),height());
273 // glViewport (0, 0, width(), height());
274 // glLoadIdentity();
275
276
277 SetView();
278
279 // // printf("before ClearView\n");
280#ifdef GEANT4_QT_DEBUG
281 printf(" ClearView\n");
282#endif
283
284 ClearView (); //ok, put the background correct
285 DrawView();
286
287 hasToRepaint =false;
288
289#ifdef GEANT4_QT_DEBUG
290 printf("G4OpenGLStoredQtViewer::paintGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ %d ready %d\n",nbPaint,readyToPaint);
291#endif
292}
293
294void G4OpenGLStoredQtViewer::mousePressEvent(QMouseEvent *event)
295{
296#if QT_VERSION < 0x040000
297 if ((event->button() & Qt::LeftButton)
298 && !((event->state() & Qt::ShiftButton)
299 || (event->state() & Qt::ControlButton)
300 || (event->state() & Qt::AltButton)
301 || (event->state() & Qt::MetaButton))) {
302#else
303 if ((event->buttons() & Qt::LeftButton)
304 && !((event->modifiers() & Qt::ShiftModifier)
305 || (event->modifiers() & Qt::ControlModifier)
306 || (event->modifiers() & Qt::AltModifier)
307 || (event->modifiers() & Qt::MetaModifier))) {
308#endif
309#ifdef GEANT4_QT_DEBUG
310 printf("G4OpenGLStoredQtViewer::mousePressEvent\n");
311#endif
312 setMouseTracking(true);
313 G4MousePressEvent(event->pos());
314 }
315}
316
317void G4OpenGLStoredQtViewer::keyPressEvent (QKeyEvent * event)
318{
319 G4keyPressEvent(event);
320}
321
322void G4OpenGLStoredQtViewer::wheelEvent (QWheelEvent * event)
323{
324 G4wheelEvent(event);
325}
326
327/**
328 * This function was build in order to make a zoom on double clic event.
329 * It was think to build a rubberband on the zoom area, but never work fine
330 */
331void G4OpenGLStoredQtViewer::mouseDoubleClickEvent(QMouseEvent *event)
332{
333#ifdef GEANT4_QT_DEBUG
334 printf("G4OpenGLStoredQtViewer::mouseDoubleClickEvent\n");
335#endif
336 setMouseTracking(true);
337 // glBufferImage = grabFrameBuffer().convertToFormat(QImage::Format_ARGB32);//_Premultiplied);
338}
339
340void G4OpenGLStoredQtViewer::mouseReleaseEvent(QMouseEvent *event)
341{
342 G4MouseReleaseEvent();
343#ifdef GEANT4_QT_DEBUG
344 printf("G4OpenGLStoredQtViewer::mouseReleaseEvent ================\n");
345#endif
346 setMouseTracking(false);
347}
348
349void G4OpenGLStoredQtViewer::mouseMoveEvent(QMouseEvent *event)
350{
351
352#if QT_VERSION < 0x040000
353 G4MouseMoveEvent(event->x(),event->y(),event->state());
354#else
355 G4MouseMoveEvent(event->x(),event->y(),event->buttons());
356#endif
357}
358
359
360void G4OpenGLStoredQtViewer::contextMenuEvent(QContextMenuEvent *e)
361{
362#ifdef GEANT4_QT_DEBUG
363 printf("G4OpenGLStoredQtViewer::contextMenuEvent\n");
364#endif
365 manageContextMenuEvent(e);
366}
367
368void G4OpenGLStoredQtViewer::updateQWidget() {
369 hasToRepaint= true;
370 updateGL();
371 hasToRepaint= false;
372}
373
374
375#endif
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