channellabelpanel.h

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//=============================================================================================================
 
#ifndef CHANNELLABELPANEL_H
#define CHANNELLABELPANEL_H
 
//=============================================================================================================
// INCLUDES
//=============================================================================================================
 
#include "../../disp_global.h"
 
//=============================================================================================================
// QT INCLUDES
//=============================================================================================================
 
#include <QPointer>
#include <QVector>
#include <QWidget>
 
//=============================================================================================================
// DEFINE NAMESPACE DISPLIB
//=============================================================================================================
 
namespace DISPLIB
{
 
//=============================================================================================================
// DISPLIB FORWARD DECLARATIONS
//=============================================================================================================
 
class ChannelDataModel;
 
//=============================================================================================================
class DISPSHARED_EXPORT ChannelLabelPanel : public QWidget
{
    Q_OBJECT
 
public:
    explicit ChannelLabelPanel(QWidget* parent = nullptr);
 
    void setModel(ChannelDataModel* model);
 
    //=========================================================================================================
    void setFirstVisibleChannel(int ch);
 
    //=========================================================================================================
    void setVisibleChannelCount(int count);
 
    //=========================================================================================================
    void setChannelIndices(const QVector<int>& indices);
 
    //=========================================================================================================
    void setHideBadChannels(bool hide);
 
    //=========================================================================================================
    void setButterflyMode(bool enabled);
 
    //=========================================================================================================
    void setVisibleSampleRange(int firstSample, int lastSample);
 
    QSize sizeHint() const override;
    QSize minimumSizeHint() const override;
 
signals:
    //=========================================================================================================
    void channelScrollRequested(int targetFirst);
    void channelBadToggled(int channelIndex, bool bad);
 
protected:
    void paintEvent(QPaintEvent* event) override;
    void mousePressEvent(QMouseEvent* event) override;
    void mouseMoveEvent(QMouseEvent* event) override;
    void mouseReleaseEvent(QMouseEvent* event) override;
    bool event(QEvent* e) override; // for QEvent::ToolTip
 
private:
    QVector<int> effectiveChannelIndices() const;
 
    QPointer<ChannelDataModel> m_model;
    int m_firstVisibleChannel = 0;
    int m_visibleChannelCount = 12;
 
    QVector<int> m_channelIndices; // empty = identity (all channels)
    bool m_hideBadChannels = false;
    bool m_butterflyMode = false;
    int m_visSampleFirst = 0;
    int m_visSampleLast = 0;
 
    bool m_dragging = false;
    bool m_dragActivated = false;
    int m_dragStartY = 0;
    int m_dragStartFirst = 0;
};
 
} // namespace DISPLIB
 
#endif // CHANNELLABELPANEL_H