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source: trunk/geant4/visualization/OpenGL/src/G4OpenGLQtViewer.cc @ 575

Last change on this file since 575 was 571, checked in by garnier, 17 years ago
r581@mac-90108: laurentgarnier \| 2007-08-17 17:30:26 +0200 deplacement de frame
Property svn:mime-type set to `text/cpp`
File size: 23.3 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: G4OpenGLQtViewer.cc,v 1.17 2006/06/29 21:19:36 gunter Exp $
28	// GEANT4 tag $Name: geant4-08-01-patch-01 $
29	//
30	//
31	// G4OpenGLQtViewer : Class to provide Qt specific
32	// functionality for OpenGL in GEANT4
33	//
34	// 27/06/2003 : G.Barrand : implementation (at last !).
35
36	#ifdef G4VIS_BUILD_OPENGLQT_DRIVER
37
38	#include "G4OpenGLQtViewer.hh"
39
40	#include "G4ios.hh"
41	#include "G4VisExtent.hh"
42	#include "G4LogicalVolume.hh"
43	#include "G4VSolid.hh"
44	#include "G4Point3D.hh"
45	#include "G4Normal3D.hh"
46	#include "G4Scene.hh"
47
48	#include "G4Qt.hh"
49	#include "G4UIsession.hh"
50	#include "G4UImanager.hh"
51	#include <QtGui/qboxlayout.h>
52	#include <QtGui/qdialog.h>
53	#include <QtGui/qmenu.h>
54	#include <QFileDialog.h>
55
56	//////////////////////////////////////////////////////////////////////////////
57	/**
58	Implementation of virtual method of G4VViewer
59	*/
60	void G4OpenGLQtViewer::SetView (
61	)
62	//////////////////////////////////////////////////////////////////////////////
63	//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
64	{
65	printf("G4OpenGLQtViewer::SetView ++++++++++++++++++++\n");
66	// if(!fHDC) return;
67	// if(!fHGLRC) return;
68	// ::wglMakeCurrent(fHDC,fHGLRC);
69	// fWindow->makeCurrent();
70	G4OpenGLViewer::SetView ();
71	printf("G4OpenGLQtViewer::SetView --------------------\n");
72	}
73
74
75
76	//////////////////////////////////////////////////////////////////////////////
77	/**
78	Implementation of virtual method of G4VViewer
79	*/
80	void G4OpenGLQtViewer::ShowView (
81	)
82	//////////////////////////////////////////////////////////////////////////////
83	//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
84	{
85	printf("G4OpenGLQtViewer::ShowView +++++++++++++++++++++\n");
86	glFlush ();
87	GLWindow->activateWindow();
88	printf("G4OpenGLQtViewer::ShowView -----------------------\n");
89
90	// // Empty the Windows message queue :
91	// MSG event;
92	// while ( ::PeekMessage(&event, NULL, 0, 0, PM_REMOVE) ) {
93	// ::TranslateMessage(&event);
94	// ::DispatchMessage (&event);
95	// }
96	}
97
98
99
100	//////////////////////////////////////////////////////////////////////////////
101	void G4OpenGLQtViewer::CreateGLQtContext (
102	)
103	//////////////////////////////////////////////////////////////////////////////
104	//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
105	{
106	printf("G4OpenGLQtViewer::CreateGLQtContext \n");
107	}
108
109
110	//////////////////////////////////////////////////////////////////////////////
111	void G4OpenGLQtViewer::CreateMainWindow (
112	QGLWidget* glWidget
113	)
114	//////////////////////////////////////////////////////////////////////////////
115	//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
116	{
117
118	if(fWindow) return; //Done.
119	printf("G4OpenGLQtViewer::CreateMainWindow glWidget\n");
120
121	// launch Qt if not
122	G4Qt* interactorManager = G4Qt::getInstance ();
123	// G4UImanager* UI = G4UImanager::GetUIpointer();
124
125	fWindow = glWidget ;
126	// fWindow->makeCurrent();
127
128	// create window
129	if (((QApplication*)interactorManager->GetMainInteractor())) {
130	// look for the main window
131	bool found = false;
132	foreach (QWidget *widget, QApplication::allWidgets()) {
133	if ((found== false) && (widget->inherits("QMainWindow"))) {
134	GLWindow = new QDialog(widget);
135	found = true;
136	}
137	}
138	if (found==false) {
139	GLWindow = new QDialog();
140	}
141	} else {
142	GLWindow = new QDialog();
143	}
144
145	QHBoxLayout *mainLayout = new QHBoxLayout;
146
147	mainLayout->addWidget(fWindow);
148	GLWindow->setLayout(mainLayout);
149	GLWindow->setWindowTitle("QGl Viewer");
150	GLWindow->resize(300, 300);
151	GLWindow->move(900,300);
152	GLWindow->show();
153
154	WinSize_x = 400;
155	WinSize_y = 400;
156	if (WinSize_x < fVP.GetWindowSizeHintX ())
157	WinSize_x = fVP.GetWindowSizeHintX ();
158	if (WinSize_y < fVP.GetWindowSizeHintY ())
159	WinSize_y = fVP.GetWindowSizeHintY ();
160
161	if(!fWindow) return;
162	printf("G4OpenGLQtViewer::CreateMainWindow glWidget END\n");
163
164	if (!fContextMenu)
165	createPopupMenu();
166
167	}
168
169	//////////////////////////////////////////////////////////////////////////////
170	G4OpenGLQtViewer::G4OpenGLQtViewer (
171	G4OpenGLSceneHandler& scene
172	)
173	:G4VViewer (scene, -1)
174	,G4OpenGLViewer (scene)
175	,fWindow(0)
176	,fContextMenu(0)
177	,fMouseAction(true)
178	{
179	printf("G4OpenGLQtViewer::G4OpenGLQtViewer \n");
180	}
181
182	//////////////////////////////////////////////////////////////////////////////
183	G4OpenGLQtViewer::~G4OpenGLQtViewer (
184	)
185	//////////////////////////////////////////////////////////////////////////////
186	//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
187	{
188	printf("G4OpenGLQtViewer::~G4OpenGLQtViewer \n");
189	delete fContextMenu;
190	}
191
192
193	/**
194	Create a popup menu for the widget. This menu is activated by right-mouse click
195	*/
196	void G4OpenGLQtViewer::createPopupMenu() {
197
198	fContextMenu = new QMenu("All");
199
200	QMenu *mMouseAction = fContextMenu->addMenu("&Mouse action");
201	QAction *rotate = mMouseAction->addAction("&Rotate scene");
202	QAction *move = mMouseAction->addAction("&Move scene");
203	// INIT mMouse
204	createRadioAction(rotate,move,SLOT(toggleMouseAction(bool)),1);
205
206	//Style Menu
207	QMenu *mStyle = fContextMenu->addMenu("&Style");
208
209	QMenu *mRepresentation = mStyle->addMenu("&Representation");
210	QAction *polyhedron = mRepresentation->addAction("Polyhedron");
211	QAction *nurbs = mRepresentation->addAction("NURBS");
212	// INIT mStyle
213	G4ViewParameters::RepStyle style;
214	style = fVP.GetRepStyle();
215	if (style == G4ViewParameters::polyhedron) {
216	createRadioAction(polyhedron,nurbs,SLOT(toggleRepresentation(bool)),1);
217	} else if (style == G4ViewParameters::nurbs) {
218	createRadioAction(polyhedron,nurbs,SLOT(toggleRepresentation(bool)),2);
219	} else {
220	mRepresentation->clear();
221	}
222
223
224	QMenu *mDrawing = mStyle->addMenu("&Drawing");
225	fDrawingWireframe = mDrawing->addAction("Wireframe");
226	fDrawingWireframe->setCheckable(true);
227	fDrawingWireframe->setChecked(true);
228	fDrawingLineRemoval = mDrawing->addAction("Hidden line removal");
229	fDrawingLineRemoval->setCheckable(true);
230	fDrawingSurfaceRemoval = mDrawing->addAction("Hidden Surface removal");
231	fDrawingSurfaceRemoval->setCheckable(true);
232	fDrawingLineSurfaceRemoval = mDrawing->addAction("Hidden line and surface removal");
233	fDrawingLineSurfaceRemoval->setCheckable(true);
234	// INIT Drawing
235	G4ViewParameters::DrawingStyle d_style;
236	d_style = fVP.GetDrawingStyle();
237
238	fDrawingWireframe->setCheckable(true);
239	fDrawingLineRemoval->setCheckable(true);
240	fDrawingSurfaceRemoval->setCheckable(true);
241	fDrawingLineSurfaceRemoval->setCheckable(true);
242
243	if (d_style == G4ViewParameters::wireframe) {
244	fDrawingWireframe->setChecked(true);
245	} else if (d_style == G4ViewParameters::hlr) {
246	fDrawingLineRemoval->setChecked(true);
247	} else if (d_style == G4ViewParameters::hsr) {
248	fDrawingSurfaceRemoval->setChecked(true);
249	} else if (d_style == G4ViewParameters::hlhsr) {
250	fDrawingLineSurfaceRemoval->setChecked(true);
251	} else {
252	mDrawing->clear();
253	}
254
255	QObject ::connect(fDrawingWireframe,
256	SIGNAL(triggered(bool)),
257	this,
258	SLOT(actionDrawingWireframe()));
259	QObject ::connect(fDrawingLineRemoval,
260	SIGNAL(triggered(bool)),
261	this,
262	SLOT(actionDrawingLineRemoval()));
263	QObject ::connect(fDrawingSurfaceRemoval,
264	SIGNAL(triggered(bool)),
265	this,
266	SLOT(actionDrawingSurfaceRemoval()));
267	QObject ::connect(fDrawingLineSurfaceRemoval,
268	SIGNAL(triggered(bool)),
269	this,
270	SLOT(actionDrawingLineSurfaceRemoval()));
271
272
273	QMenu *mBackground = mStyle->addMenu("&Background color");
274	QAction *white = mBackground->addAction("White");
275	QAction *black = mBackground->addAction("Black");
276	if (background.GetRed() == 1. &&
277	background.GetGreen() == 1. &&
278	background.GetBlue() == 1.) {
279	createRadioAction(white,black,SLOT(toggleBackground(bool)),1);
280	} else {
281	createRadioAction(white,black,SLOT(toggleBackground(bool)),2);
282	}
283
284
285	// Action Menu
286	QMenu *mActions = fContextMenu->addMenu("&Actions");
287	QAction *controlPanels = mActions->addAction("Control panels");
288	QAction *exitG4 = mActions->addAction("Exit to G4Vis >");
289	QAction *createEPS = mActions->addAction("Save as ...");
290	QObject ::connect(controlPanels,
291	SIGNAL(triggered()),
292	this,
293	SLOT(actionControlPanels()));
294	QObject ::connect(exitG4,
295	SIGNAL(triggered()),
296	this,
297	SLOT(actionExitG4()));
298	QObject ::connect(createEPS,
299	SIGNAL(triggered()),
300	this,
301	SLOT(actionCreateEPS()));
302
303
304	// Special Menu
305	QMenu *mSpecial = fContextMenu->addMenu("S&pecial");
306	QMenu *transparency = mSpecial->addMenu("Transparency");
307	QAction *transparencyOn = transparency->addAction("On");
308	QAction *transparencyOff = transparency->addAction("Off");
309	if (transparency_enabled == false) {
310	createRadioAction(transparencyOn,transparencyOff,SLOT(toggleTransparency(bool)),2);
311	} else if (transparency_enabled == true) {
312	createRadioAction(transparencyOn,transparencyOff,SLOT(toggleTransparency(bool)),1);
313	} else {
314	mSpecial->clear();
315	}
316
317
318	QMenu *mAntialiasing = mSpecial->addMenu("Antialiasing");
319	QAction *antialiasingOn = mAntialiasing->addAction("On");
320	QAction *antialiasingOff = mAntialiasing->addAction("Off");
321	if (antialiasing_enabled == false) {
322	createRadioAction(antialiasingOn,antialiasingOff,SLOT(toggleAntialiasing(bool)),2);
323	} else if (antialiasing_enabled == true) {
324	createRadioAction(antialiasingOn,antialiasingOff,SLOT(toggleAntialiasing(bool)),1);
325	} else {
326	mAntialiasing->clear();
327	}
328
329	QMenu *mHaloing = mSpecial->addMenu("Haloing");
330	QAction *haloingOn = mHaloing->addAction("On");
331	QAction *haloingOff = mHaloing->addAction("Off");
332	if (haloing_enabled == false) {
333	createRadioAction(haloingOn,haloingOff,SLOT(toggleHaloing(bool)),2);
334	} else if (haloing_enabled == true) {
335	createRadioAction(haloingOn,haloingOff,SLOT(toggleHaloing(bool)),1);
336	} else {
337	mHaloing->clear();
338	}
339
340	QMenu *mAux = mSpecial->addMenu("Auxiliary edges");
341	QAction *auxOn = mAux->addAction("On");
342	QAction *auxOff = mAux->addAction("Off");
343	if (!fVP.IsAuxEdgeVisible()) {
344	createRadioAction(auxOn,auxOff,SLOT(toggleAux(bool)),1);
345	} else {
346	createRadioAction(auxOn,auxOff,SLOT(toggleAux(bool)),2);
347	}
348
349
350	QMenu *mFullScreen = mSpecial->addMenu("Full screen");
351	QAction *fullOn = mFullScreen->addAction("On");
352	QAction *fullOff = mFullScreen->addAction("Off");
353	createRadioAction(fullOn,fullOff,SLOT(toggleFullScreen(bool)),2);
354
355	}
356
357	void G4OpenGLQtViewer::manageContextMenuEvent(QContextMenuEvent *e)
358	{
359	if (!GLWindow) return;
360
361	if (!fContextMenu)
362	createPopupMenu();
363
364	// launch menu
365	if ( fContextMenu ) {
366	fContextMenu->exec( e->globalPos() );
367	// delete fContextMenu;
368	}
369	e->accept();
370	}
371
372
373	/**
374	Create a radio button menu. The two menu will be connected. When click on one,
375	eatch state will be invert and callback method will be called.
376	@param action1 first action to connect
377	@param action2 second action to connect
378	@param method callback method
379	@param nCheck: 1 : first action will be set true. 2 : second action will be set true
380	*/
381	void G4OpenGLQtViewer::createRadioAction(QAction action1,QAction action2, const std::string& method,unsigned int nCheck) {
382
383	action1->setCheckable(true);
384	action2->setCheckable(true);
385
386	if (nCheck ==1)
387	action1->setChecked (true);
388	else
389	action2->setChecked (true);
390
391	QObject ::connect(action1, SIGNAL(triggered(bool)),action2, SLOT(toggle()));
392	QObject ::connect(action2, SIGNAL(triggered(bool)),action1, SLOT(toggle()));
393
394	QObject ::connect(action1, SIGNAL(toggled(bool)),this, method.c_str());
395
396	}
397
398	/**
399	Slot activate when drawing->wireframe menu is set
400	*/
401	void G4OpenGLQtViewer::actionDrawingWireframe() {
402	emit toggleDrawingAction(1);
403	}
404
405	/**
406	Slot activate when drawing->line removal menu is set
407	*/
408	void G4OpenGLQtViewer::actionDrawingLineRemoval() {
409	emit toggleDrawingAction(2);
410	}
411
412	/**
413	Slot activate when drawing->surface removal menu is set
414	*/
415	void G4OpenGLQtViewer::actionDrawingSurfaceRemoval() {
416	emit toggleDrawingAction(3);
417	}
418
419	/**
420	Slot activate when drawing->wireframe menu is set
421	*/
422	void G4OpenGLQtViewer::actionDrawingLineSurfaceRemoval() {
423	emit toggleDrawingAction(4);
424	}
425
426
427	/**
428	Slot activated when drawing menu is toggle
429	Warning : When G4OpenGLStoredQtViewer::DrawView() method call,
430	KernelVisitDecision () will be call and will set the fNeedKernelVisit
431	to 1. See G4XXXStoredViewer::CompareForKernelVisit for explanations.
432	It will cause a redraw of the view
433	@param aAction : 1 wireframe, 2 line removal, 3 surface removal, 4 line & surface removal
434	@see G4OpenGLStoredQtViewer::DrawView
435	@see G4XXXStoredViewer::CompareForKernelVisit
436	*/
437	void G4OpenGLQtViewer::toggleDrawingAction(int aAction) {
438
439	G4ViewParameters::DrawingStyle d_style;
440
441
442	if (aAction ==1) {
443	fDrawingWireframe->setChecked (true);
444	fDrawingLineRemoval->setChecked (false);
445	fDrawingSurfaceRemoval->setChecked (false);
446	fDrawingLineSurfaceRemoval->setChecked (false);
447
448	d_style = G4ViewParameters::wireframe;
449
450	} else if (aAction ==2) {
451	fDrawingWireframe->setChecked (false);
452	fDrawingLineRemoval->setChecked (true);
453	fDrawingSurfaceRemoval->setChecked (false);
454	fDrawingLineSurfaceRemoval->setChecked (false);
455
456	d_style = G4ViewParameters::hlr;
457
458	} else if (aAction ==3) {
459	fDrawingWireframe->setChecked (false);
460	fDrawingLineRemoval->setChecked (false);
461	fDrawingSurfaceRemoval->setChecked (true);
462	fDrawingLineSurfaceRemoval->setChecked (false);
463
464	d_style = G4ViewParameters::hsr;
465
466	} else if (aAction ==4) {
467	fDrawingWireframe->setChecked (false);
468	fDrawingLineRemoval->setChecked (false);
469	fDrawingSurfaceRemoval->setChecked (false);
470	fDrawingLineSurfaceRemoval->setChecked (true);
471
472	d_style = G4ViewParameters::hlhsr;
473	}
474	fVP.SetDrawingStyle(d_style);
475
476	updateQWidget();
477	printf("G4OpenGLQtViewer::toggleDrawingAction\n");
478	}
479
480
481	/**
482	SLOT Activate by a click on the representation menu
483	Warning : When G4OpenGLStoredQtViewer::DrawView() method call,
484	KernelVisitDecision () will be call and will set the fNeedKernelVisit
485	to 1. See G4XXXStoredViewer::CompareForKernelVisit for explanations.
486	It will cause a redraw of the view
487	@param check : 1 polyhedron, 0 nurbs
488	@see G4OpenGLStoredQtViewer::DrawView
489	@see G4XXXStoredViewer::CompareForKernelVisit
490	*/
491	void G4OpenGLQtViewer::toggleRepresentation(bool check) {
492
493	G4ViewParameters::RepStyle style;
494	if (check == 1) {
495	style = G4ViewParameters::polyhedron;
496	} else {
497	style = G4ViewParameters::nurbs;
498	}
499	fVP.SetRepStyle (style);
500
501	printf("G4OpenGLQtViewer::toggleRepresentation 3%d\n",check);
502	updateQWidget();
503	printf("G4OpenGLQtViewer::toggleRepresentation 4%d\n",check);
504	}
505
506	/**
507	SLOT Activate by a click on the background menu
508	@param check : 1 white, 0 black
509	*/
510	void G4OpenGLQtViewer::toggleBackground(bool check) {
511
512	// //I need to revisit the kernel if the background colour changes and
513	// //hidden line removal is enabled, because hlr drawing utilises the
514	// //background colour in its drawing...
515	// // (Note added by JA 13/9/2005) Background now handled in view
516	// // parameters. A kernel visit is triggered on change of background.
517	if (check == 1) {
518	((G4ViewParameters&)this->GetViewParameters()).
519	SetBackgroundColour(G4Colour(1.,1.,1.)); // White
520	} else {
521	((G4ViewParameters&)this->GetViewParameters()).
522	SetBackgroundColour(G4Colour(0.,0.,0.)); // Black
523	}
524	updateQWidget();
525	}
526
527	/**
528	SLOT Activate by a click on the transparency menu
529	@param check : 1 , 0
530	*/
531	void G4OpenGLQtViewer::toggleTransparency(bool check) {
532
533	if (check) {
534	transparency_enabled = false;
535	} else {
536	transparency_enabled = true;
537	}
538	SetNeedKernelVisit (true);
539	updateQWidget();
540	}
541
542	/**
543	SLOT Activate by a click on the antialiasing menu
544	@param check : 1 , 0
545	*/
546	void G4OpenGLQtViewer::toggleAntialiasing(bool check) {
547
548	if (!check) {
549	antialiasing_enabled = false;
550	glDisable (GL_LINE_SMOOTH);
551	glDisable (GL_POLYGON_SMOOTH);
552	} else {
553	antialiasing_enabled = true;
554	glEnable (GL_LINE_SMOOTH);
555	glHint (GL_LINE_SMOOTH_HINT, GL_NICEST);
556	glEnable (GL_POLYGON_SMOOTH);
557	glHint (GL_POLYGON_SMOOTH_HINT, GL_NICEST);
558	}
559
560	updateQWidget();
561	printf("G4OpenGLQtViewer::toggleRepresentation %d\n",check);
562	}
563
564	/**
565	SLOT Activate by a click on the haloing menu
566	@param check : 1 , 0
567	*/
568	//FIXME : I SEE NOTHING...
569	void G4OpenGLQtViewer::toggleHaloing(bool check) {
570	if (check) {
571	haloing_enabled = false;
572	} else {
573	haloing_enabled = true;
574	}
575
576	updateQWidget();
577
578	printf("G4OpenGLQtViewer::toggleRepresentation %d\n",check);
579	}
580
581	/**
582	SLOT Activate by a click on the auxiliaire edges menu
583	@param check : 1 , 0
584	*/
585	void G4OpenGLQtViewer::toggleAux(bool check) {
586	if (check) {
587	fVP.SetAuxEdgeVisible(false);
588	} else {
589	fVP.SetAuxEdgeVisible(true);
590	}
591	SetNeedKernelVisit (true);
592	updateQWidget();
593
594	printf("G4OpenGLQtViewer::toggleRepresentation %d\n",check);
595	}
596
597	/**
598	SLOT Activate by a click on the full screen menu
599	@param check : 1 , 0
600	*/
601	void G4OpenGLQtViewer::toggleFullScreen(bool check) {
602	GLWindow->setWindowState(GLWindow->windowState() ^ Qt::WindowFullScreen);
603
604	printf("G4OpenGLQtViewer::toggleRepresentation %d\n",check);
605	}
606
607	/**
608	SLOT Activate by a click on the mouse action menu
609	@param check : 1 , 0
610	*/
611	void G4OpenGLQtViewer::toggleMouseAction(bool check) {
612	if (check) { // rotate scene
613	fMouseAction = true;
614	} else { // move scene
615	fMouseAction = false;
616	}
617
618	printf("G4OpenGLQtViewer::toggleRepresentation %d\n",check);
619	}
620
621
622	void G4OpenGLQtViewer::actionControlPanels() {
623	printf("G4OpenGLQtViewer::actionControlPanels \n");
624	}
625
626	void G4OpenGLQtViewer::actionExitG4() {
627	printf("G4OpenGLQtViewer::actionExitG4() \n");
628	}
629
630	void G4OpenGLQtViewer::actionCreateEPS() {
631	//QString QFileDialog::getSaveFileName ( QWidget * parent = 0,
632	// const QString & caption = QString(),
633	// const QString & dir = QString(),
634	// const QString & filter = QString(),
635	// QString * selectedFilter = 0, Options options = 0 )
636	QString nomFich = QFileDialog::getSaveFileName(GLWindow,
637	"Choose a file",
638	".", tr("Images (.BMP .GIF .JPG .JPEG .PNG .PBM .PGM .PPM .TIFF .XBM *.XPM)") );
639
640	if(!nomFich.endsWith(".eps")) {
641	printf("G4OpenGLQtViewer::actionCreateEPS() COULD NOT GENERATE EPS FOR THE MOMENT\n");
642	} else {
643	fWindow->grabFrameBuffer().save(nomFich);
644	}
645	printf("G4OpenGLQtViewer::actionCreateEPS() \n");
646	}
647
648
649
650	/**
651	Save the current mouse press point
652	@param p mouse click point
653	*/
654	void G4OpenGLQtViewer::G4MousePressEvent(QPoint p)
655	{
656	lastPos = p;
657	}
658
659	/**
660	@param pos_x mouse x position
661	@param pos_y mouse y position
662	@param mButtons mouse button active
663	*/
664	void G4OpenGLQtViewer::G4MouseMoveEvent(int pos_x, int pos_y,Qt::MouseButtons mButtons)
665	{
666	int dx = pos_x - lastPos.x();
667	int dy = pos_y - lastPos.y();
668
669	if (fMouseAction) { // rotate
670	if (mButtons & Qt::LeftButton) {
671	//phi spin stuff here
672
673	G4Vector3D vp = fVP.GetViewpointDirection ().unit ();
674	G4Vector3D up = fVP.GetUpVector ().unit ();
675
676	G4Vector3D yprime = (up.cross(vp)).unit();
677	G4Vector3D zprime = (vp.cross(yprime)).unit();
678
679	G4double delta_alpha;
680	G4double delta_theta;
681
682	if (fVP.GetLightsMoveWithCamera()) {
683	delta_alpha = dy;
684	delta_theta = -dx;
685	} else {
686	delta_alpha = -dy;
687	delta_theta = dx;
688	}
689
690	delta_alpha *= deg;
691	delta_theta *= deg;
692
693	G4Vector3D new_vp = std::cos(delta_alpha) * vp + std::sin(delta_alpha) * zprime;
694
695	G4Vector3D new_up;
696	if (fVP.GetLightsMoveWithCamera()) {
697	new_up = (new_vp.cross(yprime)).unit();
698	fVP.SetUpVector(new_up);
699	} else {
700	new_up = up;
701	}
702	////////////////
703	// Rotates by fixed azimuthal angle delta_theta.
704
705	G4double cosalpha = new_up.dot (new_vp.unit());
706	G4double sinalpha = std::sqrt (1. - std::pow (cosalpha, 2));
707	yprime = (new_up.cross (new_vp.unit())).unit ();
708	G4Vector3D xprime = yprime.cross (new_up);
709	// Projection of vp on plane perpendicular to up...
710	G4Vector3D a1 = sinalpha * xprime;
711	// Required new projection...
712	G4Vector3D a2 =
713	sinalpha * (std::cos (delta_theta) * xprime + std::sin (delta_theta) * yprime);
714	// Required Increment vector...
715	G4Vector3D delta = a2 - a1;
716	// So new viewpoint is...
717	G4Vector3D viewPoint = new_vp.unit() + delta;
718
719	fVP.SetViewAndLights (viewPoint);
720	updateQWidget();
721
722	} else if (mButtons & Qt::RightButton) {
723	// NEVER DONE BECAUSE OF MOUSE MENU
724	// printf("G4OpenGLQtViewer::mouseMoveEvent Right \n");
725	// setXRotation(xRot + dy/2);
726	// setZRotation(zRot + dx/2);
727	// updateQWidget();
728	}
729	} else { // move
730
731	float dx = pos_x - lastPos.x();
732	float dy = pos_y - lastPos.y();
733
734	G4Point3D stp
735	= GetSceneHandler()->GetScene()->GetStandardTargetPoint();
736
737	G4Point3D tp = stp + fVP.GetCurrentTargetPoint ();
738
739	const G4Vector3D& upVector = fVP.GetUpVector ();
740	const G4Vector3D& vpVector = fVP.GetViewpointDirection ();
741
742	G4Vector3D unitRight = (upVector.cross (vpVector)).unit();
743	G4Vector3D unitUp = (vpVector.cross (unitRight)).unit();
744
745	tp += -dx * unitRight + dy * unitUp;
746	fVP.SetCurrentTargetPoint (tp - stp);
747
748	updateQWidget();
749	}
750	lastPos = QPoint(pos_x, pos_y);
751	}
752
753
754	#endif

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