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@287: #include "SingleColourLayer.h"
Chris@128: #include "data/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@287: class TimeValueLayer : public SingleColourLayer
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@335:     virtual void eraseStart(View *v, QMouseEvent *);
Chris@335:     virtual void eraseDrag(View *v, QMouseEvent *);
Chris@335:     virtual void eraseEnd(View *v, QMouseEvent *);
Chris@335: 
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@255:     virtual bool editOpen(View *v, QMouseEvent *);
Chris@70: 
Chris@43:     virtual void moveSelection(Selection s, size_t newStartFrame);
Chris@43:     virtual void resizeSelection(Selection s, Selection newSize);
Chris@76:     virtual void deleteSelection(Selection s);
Chris@76: 
Chris@359:     virtual void copy(View *v, Selection s, Clipboard &to);
Chris@359:     virtual bool paste(View *v, const Clipboard &from, int frameOffset,
Chris@125:                        bool interactive);
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@87:     virtual QString getPropertyLabel(const PropertyName &) const;
Chris@0:     virtual PropertyType getPropertyType(const PropertyName &) const;
Chris@198:     virtual QString getPropertyGroupName(const PropertyName &) const;
Chris@0:     virtual int getPropertyRangeAndValue(const PropertyName &,
Chris@216:                                          int *min, int *max, int *deflt) 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@197:     void setFillColourMap(int);
Chris@197:     int getFillColourMap() const { return m_colourMap; }
Chris@197: 
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@101:         AutoAlignScale,
Chris@66:         LinearScale,
Chris@66:         LogScale,
Chris@101:         PlusMinusOneScale
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@169:     virtual int getCompletion(View *) const { return m_model->getCompletion(); }
Chris@0: 
Chris@79:     virtual bool needsTextLabelHeight() const {
Chris@81:         return m_plotStyle == PlotSegmentation && m_model->hasTextLabels();
Chris@79:     }
Chris@79: 
Chris@101:     virtual bool getValueExtents(float &min, float &max,
Chris@101:                                  bool &logarithmic, QString &unit) const;
Chris@101: 
Chris@101:     virtual bool getDisplayExtents(float &min, float &max) const;
Chris@437:     virtual bool setDisplayExtents(float min, float max);
Chris@437: 
Chris@437:     virtual int getVerticalZoomSteps(int &defaultStep) const;
Chris@437:     virtual int getCurrentVerticalZoomStep() const;
Chris@437:     virtual void setVerticalZoomStep(int);
Chris@437:     virtual RangeMapper *getNewVerticalZoomRangeMapper() const;
Chris@79: 
Chris@316:     virtual void toXml(QTextStream &stream, QString indent = "",
Chris@316:                        QString extraAttributes = "") const;
Chris@6: 
Chris@11:     void setProperties(const QXmlAttributes &attributes);
Chris@11: 
Chris@494:     virtual ColourSignificance getLayerColourSignificance() const {
Chris@494:         if (m_plotStyle == PlotSegmentation) {
Chris@494:             return ColourHasMeaningfulValue;
Chris@494:         } else {
Chris@494:             return ColourDistinguishes;
Chris@494:         }
Chris@494:     }
Chris@494: 
Chris@0: protected:
Chris@101:     void getScaleExtents(View *, float &min, float &max, bool &log) const;
Chris@44:     int getYForValue(View *, float value) const;
Chris@44:     float getValueForY(View *, int y) const;
Chris@101:     QColor getColourForValue(View *v, float value) const;
Chris@296:     bool shouldAutoAlign() const;
Chris@68: 
Chris@44:     SparseTimeValueModel::PointList getLocalPoints(View *v, int) const;
Chris@0: 
Chris@287:     virtual int getDefaultColourHint(bool dark, bool &impose);
Chris@287: 
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@197:     int m_colourMap;
Chris@0:     PlotStyle m_plotStyle;
Chris@66:     VerticalScale m_verticalScale;
Chris@376: 
Chris@437:     mutable float m_scaleMinimum;
Chris@437:     mutable float m_scaleMaximum;
Chris@437: 
Chris@376:     void finish(SparseTimeValueModel::EditCommand *command) {
Chris@376:         Command *c = command->finish();
Chris@376:         if (c) CommandHistory::getInstance()->addCommand(c, false);
Chris@376:     }
Chris@0: };
Chris@0: 
Chris@0: #endif
Chris@0: