| Geant4 Cross Reference |
1 //
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19 // * technical work of the GEANT4 collaboration. *
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24 // ********************************************************************
25 //
26 // Guy Barrand 13th April 2023
27
28 #ifndef G4TOOLSSGQTZBVIEWER_HH
29 #define G4TOOLSSGQTZBVIEWER_HH
30
31 #include "G4ToolsSGViewer.hh"
32
33 #include "G4Qt.hh"
34 #include "G4UIQt.hh"
35 #include "G4UImanager.hh"
36
37 #include <toolx/Qt/zb_viewer>
38
39 #include <qmainwindow.h>
40
41 class G4ToolsSGQtZBDestroyCallback : public QObject {
42 Q_OBJECT
43 public:
44 G4ToolsSGQtZBDestroyCallback(G4VViewer* a_viewer):fViewer(a_viewer) {}
45 virtual ~G4ToolsSGQtZBDestroyCallback() {}
46 private:
47 G4ToolsSGQtZBDestroyCallback(const G4ToolsSGQtZBDestroyCallback&);
48 G4ToolsSGQtZBDestroyCallback& operator=(const G4ToolsSGQtZBDestroyCallback&);
49 public slots:
50 void execute(){
51 delete fViewer;
52 }
53 private:
54 G4VViewer* fViewer;
55 };
56
57 class G4ToolsSGQtZBViewer : public G4ToolsSGViewer<toolx::Qt::session,toolx::Qt::zb_viewer> {
58 using parent = G4ToolsSGViewer<toolx::Qt::session,toolx::Qt::zb_viewer>;
59 public:
60 G4ToolsSGQtZBViewer(toolx::Qt::session& a_session,G4ToolsSGSceneHandler& a_scene_handler, const G4String& a_name)
61 :parent(a_session,a_scene_handler,a_name)
62 ,fSGQWidget(nullptr)
63 ,fDestroyCallback(0)
64 {
65 fDestroyCallback = new G4ToolsSGQtZBDestroyCallback(this);
66 }
67 virtual ~G4ToolsSGQtZBViewer() {
68 delete fDestroyCallback; //it will remove the below signal/slot connection.
69 }
70 protected:
71 G4ToolsSGQtZBViewer(const G4ToolsSGQtZBViewer& a_from):parent(a_from){}
72 G4ToolsSGQtZBViewer& operator=(const G4ToolsSGQtZBViewer&) {return *this;}
73 public:
74 virtual void Initialise() {
75 if(fSGQWidget) return; //done.
76 parent::Initialise();
77 if(!fSGViewer) {
78 G4cerr << "G4ToolsSGQtZBViewer::Initialise: ERROR: G4ToolsSGQtZBViewer has no toolx::Qt::zb_viewer." << G4endl;
79 return;
80 }
81 fSGQWidget = fSGViewer->shell();
82 if (!fSGQWidget) {
83 G4cerr << "G4ToolsSGQtZBViewer::Initialise: ERROR: toolx::Qt::zb_viewer has no QWidget shell." << G4endl;
84 return;
85 }
86
87 {G4UImanager* ui = G4UImanager::GetUIpointer();
88 G4UIsession* session = ui->GetG4UIWindow();
89 fUIQt = session? dynamic_cast<G4UIQt*>(session) :nullptr;
90 if(fUIQt) {
91 G4Qt* interactorManager = G4Qt::getInstance ();
92 if (!interactorManager->IsExternalApp()) {
93 fSGViewer->set_own_shell(false);
94 fUIQt->AddTabWidget(fSGQWidget,QString(GetName()));
95 QObject::connect(fSGQWidget,SIGNAL(destroyed()),fDestroyCallback,SLOT(execute()));
96
97 QMainWindow* main_window = fUIQt->GetMainWindow();
98 if(main_window) {
99 main_window->show();
100 interactorManager->FlushAndWaitExecution();
101 }
102 }
103 }}
104
105 fSGViewer->enable_keyboard_focus();
106 }
107
108 virtual void SetView() {
109 #ifdef __APPLE__
110 if(fSGQWidget && fSGViewer) {
111 if( (2*fSGQWidget->width() == int(fSGViewer->width())) &&
112 (2*fSGQWidget->height() == int(fSGViewer->height())) ){
113 // With Qt/Cocoa, the received size in
114 // tools::sg::glarea::resizeGL is twice the QWidget::[width(),height()]!
115 // In general it does not pose problem, except when rendering 2D texts.
116 // In order to have similar sizes than other platforms, we have to double
117 // their pixel heights.
118 fVP.SetGlobalMarkerScale(2);
119 }
120 }
121 #endif
122 parent::SetView();
123 }
124
125 virtual void UpdateGUISceneTree() {
126 if (fUIQt) fUIQt->UpdateSceneTree(fSceneTree);
127 }
128
129 protected:
130 G4UIQt* fUIQt = nullptr;
131 QWidget* fSGQWidget;
132 G4ToolsSGQtZBDestroyCallback* fDestroyCallback;
133 };
134
135 #endif
136