gui.h

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#pragma once
 
// qt
#include <QStackedWidget>   // rightContent
#include <QLineEdit>        // nEvents
#include <QLabel>           // eventNumberLabel
#include <QTimer>           // gtimer
#include <QHBoxLayout>      // createTopButtons
 
// gemc
#include "gQtButtonsWidget.h"
#include "gAnalysisAccumulator.h"
#include "eventDispenser.h"
#include "gdetectorConstruction.h"
 
// gboard
#include "gui_session.h"
 
class GTree;
class GAnalysisView;
class PhysicsView;

class GemcGUI : public QWidget
{
    // metaobject required for non-qt slots
    Q_OBJECT
 
public:
    GemcGUI(std::shared_ptr<GOptions>             gopts,
            std::shared_ptr<EventDispenser>       ed,
            GDetectorConstruction*                dc,
            std::shared_ptr<GAnalysisAccumulator> analysisAccumulator,
            bool                                  viewerAlreadyInitialized = false,
            QWidget*                              parent = nullptr);

    ~GemcGUI() override;
 
private:
    GQTButtonsWidget* leftButtons; // left bar buttons

    QStackedWidget* rightContent; // pages controlled by left bar buttons

    QLineEdit* nEvents;

    QLabel* eventNumberLabel;
    qulonglong displayedEventCount = 0; 

    QTimer* gtimer; // for cycling events

    std::shared_ptr<EventDispenser> eventDispenser;

    std::shared_ptr<GAnalysisAccumulator> analysisAccumulator;

    std::unique_ptr<GUI_Session> guiSession;
 
    std::shared_ptr<GOptions> guiOptions;
    GDetectorConstruction* detectorConstruction = nullptr;
    GTree* geometryTree = nullptr;
    GAnalysisView* analysisView = nullptr;
    PhysicsView* physicsView = nullptr;
    bool geometryReloadedSinceRun = false;
    bool viewerInitialized = false;
    bool visualizationNeedsRunRestore = false;
 
private:
    void createLeftButtons();

    void createRightContent(std::shared_ptr<GOptions> gopts,
                            GDetectorConstruction*    dc,
                            GBoard*                   gb);

    void createTopButtons(QHBoxLayout* topLayout);

    void refreshGeometryTree();

    void resetVisualizationBeforeGeometryReload();

    void refreshVisualizationFromOptions();

    void prepareGeometryForBeamOn();

    void updateGui();
 
private slots:
    void neventsChanged();

    void beamOn();

    void cycleBeamOn();

    void stopCycleBeamOn();

    void gquit();

    void change_page(QListWidgetItem* current, QListWidgetItem* previous);
};