Chris@58: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@0: 
Chris@0: /*
Chris@59:     Sonic Visualiser
Chris@59:     An audio file viewer and annotation editor.
Chris@59:     Centre for Digital Music, Queen Mary, University of London.
Chris@59:     This file copyright 2006 Chris Cannam.
Chris@0:     
Chris@59:     This program is free software; you can redistribute it and/or
Chris@59:     modify it under the terms of the GNU General Public License as
Chris@59:     published by the Free Software Foundation; either version 2 of the
Chris@59:     License, or (at your option) any later version.  See the file
Chris@59:     COPYING included with this distribution for more information.
Chris@0: */
Chris@0: 
Chris@30: #ifndef _TIME_VALUE_LAYER_H_
Chris@30: #define _TIME_VALUE_LAYER_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@44:     TimeValueLayer();
Chris@0: 
Chris@44:     virtual void paint(View *v, QPainter &paint, QRect rect) const;
Chris@0: 
Chris@44:     virtual int getVerticalScaleWidth(View *v, QPainter &) const;
Chris@44:     virtual void paintVerticalScale(View *v, QPainter &paint, QRect rect) const;
Chris@42: 
Chris@44:     virtual QString getFeatureDescription(View *v, QPoint &) const;
Chris@0: 
Chris@44:     virtual bool snapToFeatureFrame(View *v, int &frame,
Chris@28: 				    size_t &resolution,
Chris@28: 				    SnapType snap) const;
Chris@13: 
Chris@44:     virtual void drawStart(View *v, QMouseEvent *);
Chris@44:     virtual void drawDrag(View *v, QMouseEvent *);
Chris@44:     virtual void drawEnd(View *v, QMouseEvent *);
Chris@21: 
Chris@44:     virtual void editStart(View *v, QMouseEvent *);
Chris@44:     virtual void editDrag(View *v, QMouseEvent *);
Chris@44:     virtual void editEnd(View *v, QMouseEvent *);
Chris@21: 
Chris@43:     virtual void moveSelection(Selection s, size_t newStartFrame);
Chris@43:     virtual void resizeSelection(Selection s, Selection newSize);
Chris@43: 
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@26:     enum PlotStyle {
Chris@26: 	PlotPoints,
Chris@26: 	PlotStems,
Chris@26: 	PlotConnectedPoints,
Chris@26: 	PlotLines,
Chris@26: 	PlotCurve,
Chris@26: 	PlotSegmentation
Chris@26:     };
Chris@0: 
Chris@0:     void setPlotStyle(PlotStyle style);
Chris@0:     PlotStyle getPlotStyle() const { return m_plotStyle; }
Chris@0: 
Chris@66:     enum VerticalScale {
Chris@66:         LinearScale,
Chris@66:         LogScale,
Chris@66:         PlusMinusOneScale,
Chris@66:         FrequencyScale
Chris@66:     };
Chris@66:     
Chris@66:     void setVerticalScale(VerticalScale scale);
Chris@66:     VerticalScale getVerticalScale() const { return m_verticalScale; }
Chris@66: 
Chris@44:     virtual bool isLayerScrollable(const View *v) const;
Chris@0: 
Chris@23:     virtual bool isLayerEditable() const { return true; }
Chris@23: 
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@44:     int getYForValue(View *, float value) const;
Chris@44:     float getValueForY(View *, int y) const;
Chris@21: 
Chris@44:     SparseTimeValueModel::PointList getLocalPoints(View *v, int) const;
Chris@0: 
Chris@0:     SparseTimeValueModel *m_model;
Chris@21:     bool m_editing;
Chris@23:     SparseTimeValueModel::Point m_originalPoint;
Chris@21:     SparseTimeValueModel::Point m_editingPoint;
Chris@22:     SparseTimeValueModel::EditCommand *m_editingCommand;
Chris@0:     QColor m_colour;
Chris@0:     PlotStyle m_plotStyle;
Chris@66:     VerticalScale m_verticalScale;
Chris@0: };
Chris@0: 
Chris@0: #endif
Chris@0: