UiTimelineView.hpp

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#pragma once
 
#include "AstGlobal.h"
#include "AstCore/TimePoint.hpp"
#include "AstCore/TimeInterval.hpp"
#include <QWidget>
#include <QColor>
#include <QString>
#include <vector>
 
AST_NAMESPACE_BEGIN
 
class AST_UICORE_API UiTimelineView : public QWidget
{
    Q_OBJECT
 
public:
    struct Bar
    {
        TimePoint start;    
        TimePoint stop;     
        QString   label;    
        QColor    color;    
    };
 
public:
    explicit UiTimelineView(QWidget* parent = nullptr);
    ~UiTimelineView() override;
 
    UiTimelineView(const UiTimelineView&) = delete;
    UiTimelineView& operator=(const UiTimelineView&) = delete;
 
    void setTimeSpan(const TimeInterval& span);
 
    void setCurrentTime(const TimePoint& current);
 
    void setBars(const std::vector<Bar>& bars);
 
protected:
    void paintEvent(QPaintEvent* event) override;
 
private:
    qreal xFor(const TimePoint& t) const;
 
    TimePoint   start_{TimePoint::Epoch()};      
    TimePoint   stop_{TimePoint::Epoch()};       
    TimePoint   current_{TimePoint::Epoch()};    
    std::vector<Bar> bars_{};                    
};
 
AST_NAMESPACE_END