timelinelabel.h

#ifndef TIMELINELABEL_H
#define TIMELINELABEL_H
 
#include <QLabel>
#include <QWidget>
#include <QPainter>
#include <QMouseEvent>
#include <QtMath>
#include <QColor>
 
// color definitions
#define INBOUND_COLOR Qt::red
#define OUTOFBOUND_COLOR QColor(72, 74, 73)
#define TIMESTAMP_COLOR Qt::black
#define BOUNDARY_COLOR Qt::black
 
class TimelineLabel : public QLabel
{
    Q_OBJECT
public:
    explicit TimelineLabel(QWidget *parent = 0);
 
    void updateTimelinelabel(std::vector<uint> *keyframes, QPointF indexBounds, bool drawTimestamps, QPoint boundaries = QPoint(-1,-1));
 
    float relPosToIndex(int relativePosition);
 
    uint indexToRelPos(float index);
 
    uint getFirstIndex();
 
    uint getLastIndex();
 
    void redraw(QPoint boundaries = QPoint(-1, -1));
 
    void mousePressEvent(QMouseEvent *ev);
 
signals:
    void sig_clicked(QPoint pos);
 
private:
    std::vector<uint> *m_keyframes = nullptr;
    uint m_firstIndex = 0;
    uint m_lastIndex = 0;
    float m_firstIndex_offset = 0.f;
    float m_lastIndex_offset = 0.f;
    float m_frameSize = 0.f;
    bool m_drawTimestamps = true;
 
    QPixmap drawPixmap(bool timeStamps, QPoint boundaries);
    QVector<QLine> boundaryLines(QPoint boundaries);
};
 
#endif // TIMELINELABEL_H