Chris@0: /* -*- c-basic-offset: 4 -*-  vi:set ts=8 sts=4 sw=4: */
Chris@0: 
Chris@0: /*
Chris@0:     A waveform viewer and audio annotation editor.
Chris@3:     Chris Cannam, Queen Mary University of London, 2005-2006
Chris@0:     
Chris@0:     This is experimental software.  Not for distribution.
Chris@0: */
Chris@0: 
Chris@0: #ifndef _TIME_VALUE_VIEW_H_
Chris@0: #define _TIME_VALUE_VIEW_H_
Chris@0: 
Chris@0: #include "base/Layer.h"
Chris@0: #include "model/SparseTimeValueModel.h"
Chris@0: 
Chris@0: #include <QObject>
Chris@0: #include <QColor>
Chris@0: 
Chris@0: class View;
Chris@0: class QPainter;
Chris@0: 
Chris@0: class TimeValueLayer : public Layer
Chris@0: {
Chris@0:     Q_OBJECT
Chris@0: 
Chris@0: public:
Chris@0:     TimeValueLayer(View *w);
Chris@0: 
Chris@0:     virtual void paint(QPainter &paint, QRect rect) const;
Chris@0: 
Chris@0:     virtual QRect getFeatureDescriptionRect(QPainter &, QPoint) const;
Chris@0:     virtual void paintLocalFeatureDescription(QPainter &, QRect, QPoint) const;
Chris@0: 
Chris@13:     virtual int getNearestFeatureFrame(int frame, 
Chris@13: 				       size_t &resolution,
Chris@13: 				       bool snapRight = true) const;
Chris@13: 
Chris@21:     virtual void drawStart(QMouseEvent *);
Chris@21:     virtual void drawDrag(QMouseEvent *);
Chris@21:     virtual void drawEnd(QMouseEvent *);
Chris@21: 
Chris@21:     virtual void editStart(QMouseEvent *);
Chris@21:     virtual void editDrag(QMouseEvent *);
Chris@21:     virtual void editEnd(QMouseEvent *);
Chris@21: 
Chris@0:     virtual const Model *getModel() const { return m_model; }
Chris@0:     void setModel(SparseTimeValueModel *model);
Chris@0: 
Chris@0:     virtual PropertyList getProperties() const;
Chris@0:     virtual PropertyType getPropertyType(const PropertyName &) const;
Chris@0:     virtual int getPropertyRangeAndValue(const PropertyName &,
Chris@0: 					   int *min, int *max) const;
Chris@0:     virtual QString getPropertyValueLabel(const PropertyName &,
Chris@0: 					  int value) const;
Chris@0:     virtual void setProperty(const PropertyName &, int value);
Chris@0: 
Chris@0:     void setBaseColour(QColor);
Chris@0:     QColor getBaseColour() const { return m_colour; }
Chris@0: 
Chris@6:     enum PlotStyle { PlotPoints, PlotStems, PlotConnectedPoints, PlotLines, PlotCurve };
Chris@0: 
Chris@0:     void setPlotStyle(PlotStyle style);
Chris@0:     PlotStyle getPlotStyle() const { return m_plotStyle; }
Chris@0: 
Chris@0:     virtual bool isLayerScrollable() const;
Chris@0: 
Chris@0:     virtual int getCompletion() const { return m_model->getCompletion(); }
Chris@0: 
Chris@6:     virtual QString toXmlString(QString indent = "",
Chris@6: 				QString extraAttributes = "") const;
Chris@6: 
Chris@11:     void setProperties(const QXmlAttributes &attributes);
Chris@11: 
Chris@0: protected:
Chris@21:     int getYForValue(float value) const;
Chris@21:     float getValueForY(int y) const;
Chris@21: 
Chris@0:     SparseTimeValueModel::PointList getLocalPoints(int) const;
Chris@0: 
Chris@0:     SparseTimeValueModel *m_model;
Chris@21:     bool m_editing;
Chris@21:     SparseTimeValueModel::Point m_editingPoint;
Chris@0:     QColor m_colour;
Chris@0:     PlotStyle m_plotStyle;
Chris@0: };
Chris@0: 
Chris@0: #endif
Chris@0: