source: trunk/source/visualization/OpenGL/src/G4OpenGLStoredQtViewer.cc@ 864

Last change on this file since 864 was 863, checked in by garnier, 17 years ago

add picking for Qt
  • Property svn:mime-type set to text/cpp
File size: 11.0 KB
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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 1.15 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 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);
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 hasToRepaint =true;
124
125#ifdef GEANT4_QT_DEBUG
126 printf("G4OpenGLStoredQtViewer::InitialiseGL -------------------------------------------------------------------------------------\n");
127#endif
128}
129
130
131void G4OpenGLStoredQtViewer::DrawView () {
132
133#ifdef GEANT4_QT_DEBUG
134 printf("G4OpenGLQtViewer::setupViewport\n");
135 printf("G4OpenGLStoredQtViewer::DrawView %d %d VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n",WinSize_x, WinSize_y);
136#endif
137 G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
138
139 //Make sure current viewer is attached and clean...
140 //Qt version needed
141 // glViewport (0, 0, WinSize_x, WinSize_y);
142
143 //See if things have changed from last time and remake if necessary...
144 // The fNeedKernelVisit flag might have been set by the user in
145 // /vis/viewer/rebuild, but if not, make decision and set flag only
146 // if necessary...
147 if (!fNeedKernelVisit)
148
149 if (!fNeedKernelVisit) KernelVisitDecision ();
150
151 G4bool kernelVisitWasNeeded = fNeedKernelVisit; // Keep (ProcessView resets).
152 ProcessView ();
153
154
155 if(style!=G4ViewParameters::hlr &&
156 haloing_enabled) {
157#ifdef GEANT4_QT_DEBUG
158 printf("G4OpenGLStoredQtViewer::DrawView DANS LE IF\n");
159#endif
160
161 HaloingFirstPass ();
162 DrawDisplayLists ();
163 glFlush ();
164
165 HaloingSecondPass ();
166
167 DrawDisplayLists ();
168 FinishView ();
169
170 } else {
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("************************** G4OpenGLStoredQtViewer::DrawView Don't need kernel Visit \n");
177#endif
178 DrawDisplayLists ();
179 FinishView ();
180 } else {
181#ifdef GEANT4_QT_DEBUG
182 printf("************************** G4OpenGLStoredQtViewer::DrawView need kernel Visit \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 if (isRecording()) {
202 savePPMToTemp();
203 }
204
205#ifdef GEANT4_QT_DEBUG
206 printf("G4OpenGLStoredQtViewer::DrawView %d %d ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n",WinSize_x, WinSize_y);
207#endif
208 hasToRepaint =true;
209}
210
211
212//////////////////////////////////////////////////////////////////////////////
213void G4OpenGLStoredQtViewer::FinishView (
214)
215//////////////////////////////////////////////////////////////////////////////
216//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
217{
218 glFlush ();
219 swapBuffers ();
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 if (!readyToPaint) {
251#ifdef GEANT4_QT_DEBUG
252 printf("G4OpenGLStoredQtViewer::paintGL ============ Not ready %d\n",readyToPaint);
253#endif
254 readyToPaint= true;
255 return;
256 }
257 // DO NOT RESIZE IF SIZE HAS NOT CHANGE :
258 // WHEN CLICK ON THE FRAME FOR EXAMPLE
259 // EXECEPT WHEN MOUSE MOVE EVENT
260 if ( !hasToRepaint) {
261 if (((WinSize_x == (G4int)width())) &&(WinSize_y == (G4int) height())) {
262#ifdef GEANT4_QT_DEBUG
263 printf("G4OpenGLStoredQtViewer::paintGL ============ Dont repaint\n");
264#endif
265 return;
266 }
267 }
268 nbPaint++;
269#ifdef GEANT4_QT_DEBUG
270 printf("G4OpenGLStoredQtViewer::paintGL VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV %d ready %d\n",nbPaint,readyToPaint);
271#endif
272 WinSize_x = (G4int) width();
273 WinSize_y = (G4int) height();
274
275 setupViewport(width(),height());
276 // glViewport (0, 0, width(), height());
277 // glLoadIdentity();
278
279
280 SetView();
281
282 // // printf("before ClearView\n");
283#ifdef GEANT4_QT_DEBUG
284 printf(" ClearView\n");
285#endif
286
287 ClearView (); //ok, put the background correct
288 DrawView();
289
290 hasToRepaint =false;
291
292#ifdef GEANT4_QT_DEBUG
293 printf("G4OpenGLStoredQtViewer::paintGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ %d ready %d\n",nbPaint,readyToPaint);
294#endif
295}
296
297void G4OpenGLStoredQtViewer::mousePressEvent(QMouseEvent *event)
298{
299#if QT_VERSION < 0x040000
300 if ((event->button() & Qt::LeftButton)
301 && !((event->state() & Qt::ShiftButton)
302 || (event->state() & Qt::ControlButton)
303 || (event->state() & Qt::AltButton)
304 || (event->state() & Qt::MetaButton))) {
305#else
306 if ((event->buttons() & Qt::LeftButton)
307 && !((event->modifiers() & Qt::ShiftModifier)
308 || (event->modifiers() & Qt::ControlModifier)
309 || (event->modifiers() & Qt::AltModifier)
310 || (event->modifiers() & Qt::MetaModifier))) {
311#endif
312#ifdef GEANT4_QT_DEBUG
313 printf("G4OpenGLStoredQtViewer::mousePressEvent\n");
314#endif
315 setMouseTracking(true);
316 G4MousePressEvent(event->pos());
317 }
318}
319
320void G4OpenGLStoredQtViewer::keyPressEvent (QKeyEvent * event)
321{
322 G4keyPressEvent(event);
323}
324
325void G4OpenGLStoredQtViewer::wheelEvent (QWheelEvent * event)
326{
327 G4wheelEvent(event);
328}
329
330/**
331 * This function was build in order to make a zoom on double clic event.
332 * It was think to build a rubberband on the zoom area, but never work fine
333 */
334void G4OpenGLStoredQtViewer::mouseDoubleClickEvent(QMouseEvent *event)
335{
336#ifdef GEANT4_QT_DEBUG
337 printf("G4OpenGLStoredQtViewer::mouseDoubleClickEvent\n");
338#endif
339 setMouseTracking(true);
340 // glBufferImage = grabFrameBuffer().convertToFormat(QImage::Format_ARGB32);//_Premultiplied);
341}
342
343void G4OpenGLStoredQtViewer::mouseReleaseEvent(QMouseEvent *event)
344{
345 G4MouseReleaseEvent();
346#ifdef GEANT4_QT_DEBUG
347 printf("G4OpenGLStoredQtViewer::mouseReleaseEvent ================\n");
348#endif
349 setMouseTracking(false);
350}
351
352void G4OpenGLStoredQtViewer::mouseMoveEvent(QMouseEvent *event)
353{
354
355#if QT_VERSION < 0x040000
356 G4MouseMoveEvent(event->x(),event->y(),event->state());
357#else
358 G4MouseMoveEvent(event->x(),event->y(),event->buttons());
359#endif
360}
361
362
363void G4OpenGLStoredQtViewer::contextMenuEvent(QContextMenuEvent *e)
364{
365#ifdef GEANT4_QT_DEBUG
366 printf("G4OpenGLStoredQtViewer::contextMenuEvent\n");
367#endif
368 manageContextMenuEvent(e);
369}
370
371void G4OpenGLStoredQtViewer::updateQWidget() {
372 hasToRepaint= true;
373 updateGL();
374 hasToRepaint= false;
375}
376
377
378#endif
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