Gabriele Cosmo
116 lines
4.5 KiB
C++
116 lines
4.5 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// Guy Barrand 13th April 2023
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#include "G4ToolsSGQtZB.hh"
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#include "G4ToolsSGQtZBViewer.hh"
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#include "G4Qt.hh"
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#include "G4UIbatch.hh"
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G4ToolsSGQtZB::G4ToolsSGQtZB():
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parent
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("TOOLSSG_QT_ZB",
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"TSG_QT_ZB",
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"TOOLSSG_QT_ZB is a graphics driver based on the g4tools tools/sg scene graph logic where\n\
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the rendering is done with the g4tools zbuffer and the windowing is done with Qt.",
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parent::threeDInteractive)
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,fSGSession(nullptr)
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{}
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G4ToolsSGQtZB::~G4ToolsSGQtZB() {
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delete fSGSession;
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}
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void G4ToolsSGQtZB::Initialise() {
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if(fSGSession) return; //done.
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G4Qt* interactorManager = G4Qt::getInstance();
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QApplication* _qapp = (QApplication*)interactorManager->GetMainInteractor();
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if(!_qapp) {
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G4cerr << "G4ToolsSGQtZB::Initialise : G4Qt::GetMainInteractor() returns null." << G4endl;
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return;
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}
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fSGSession = new toolx::Qt::session(G4cout,_qapp);
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if(!fSGSession->is_valid()) {
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G4cerr << "G4ToolsSGQtZB::Initialise : session::is_valid() failed." << G4endl;
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delete fSGSession;
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fSGSession = nullptr;
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return;
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}
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}
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G4VSceneHandler* G4ToolsSGQtZB::CreateSceneHandler(const G4String& a_name) {
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G4VSceneHandler* pScene = new G4ToolsSGSceneHandler(*this, a_name);
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return pScene;
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}
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G4VViewer* G4ToolsSGQtZB::CreateViewer(G4VSceneHandler& a_scene,const G4String& a_name) {
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if(!fSGSession) Initialise();
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if(!fSGSession) return nullptr;
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G4VViewer* pView = new G4ToolsSGQtZBViewer(*fSGSession,(G4ToolsSGSceneHandler&)a_scene,a_name);
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if (pView) {
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if (pView->GetViewId() < 0) {
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G4cerr << "G4ToolsSGQtZB::CreateViewer:"
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<< " ERROR flagged by negative view id in G4ToolsSGViewer creation."
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<< "\n Destroying view and returning null pointer." << G4endl;
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delete pView;
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pView = nullptr;
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}
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}
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if (!pView) {
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G4cerr << "G4ToolsSGQtZB::CreateViewer: ERROR: null pointer on new G4ToolsSGViewer." << G4endl;
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return nullptr;
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}
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return pView;
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}
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G4bool G4ToolsSGQtZB::IsUISessionCompatible () const
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{
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G4bool isCompatible = false;
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G4UImanager* ui = G4UImanager::GetUIpointer();
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G4UIsession* session = ui->GetSession();
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// If session is a batch session, it may be:
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// a) this is a batch job (the user has not instantiated any UI session);
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// b) we are currently processing a UI command, in which case the UI
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// manager creates a temporary batch session and to find out if there is
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// a genuine UI session that the user has instantiated we must drill
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// down through previous sessions to a possible non-batch session.
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while (G4UIbatch* batch = dynamic_cast<G4UIbatch*>(session)) {
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session = batch->GetPreviousSession();
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}
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// Qt windows are only appropriate in a Qt session.
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// This is the originating non-batch session...
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if (dynamic_cast<G4UIQt*>(session)) {
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// ...and it's a G4UIQt session, which is OK.
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isCompatible = true;
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}
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return isCompatible;
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}
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