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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Sonic Visualiser
An audio file viewer and annotation editor.
Centre for Digital Music, Queen Mary, University of London.
This file copyright 2006 Chris Cannam.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#ifndef _TIME_VALUE_LAYER_H_
#define _TIME_VALUE_LAYER_H_
#include "SingleColourLayer.h"
#include "VerticalScaleLayer.h"
#include "ColourScaleLayer.h"
#include "data/model/SparseTimeValueModel.h"
#include <QObject>
#include <QColor>
class View;
class QPainter;
class TimeValueLayer : public SingleColourLayer,
public VerticalScaleLayer,
public ColourScaleLayer
{
Q_OBJECT
public:
TimeValueLayer();
virtual void paint(View *v, QPainter &paint, QRect rect) const;
virtual int getVerticalScaleWidth(View *v, bool, QPainter &) const;
virtual void paintVerticalScale(View *v, bool, QPainter &paint, QRect rect) const;
virtual QString getFeatureDescription(View *v, QPoint &) const;
virtual QString getLabelPreceding(sv_frame_t) const;
virtual bool snapToFeatureFrame(View *v, sv_frame_t &frame,
int &resolution,
SnapType snap) const;
virtual bool snapToSimilarFeature(View *v, sv_frame_t &frame,
int &resolution,
SnapType snap) const;
virtual void drawStart(View *v, QMouseEvent *);
virtual void drawDrag(View *v, QMouseEvent *);
virtual void drawEnd(View *v, QMouseEvent *);
virtual void eraseStart(View *v, QMouseEvent *);
virtual void eraseDrag(View *v, QMouseEvent *);
virtual void eraseEnd(View *v, QMouseEvent *);
virtual void editStart(View *v, QMouseEvent *);
virtual void editDrag(View *v, QMouseEvent *);
virtual void editEnd(View *v, QMouseEvent *);
virtual bool editOpen(View *v, QMouseEvent *);
virtual void moveSelection(Selection s, sv_frame_t newStartFrame);
virtual void resizeSelection(Selection s, Selection newSize);
virtual void deleteSelection(Selection s);
virtual void copy(View *v, Selection s, Clipboard &to);
virtual bool paste(View *v, const Clipboard &from, sv_frame_t frameOffset,
bool interactive);
virtual const Model *getModel() const { return m_model; }
void setModel(SparseTimeValueModel *model);
virtual PropertyList getProperties() const;
virtual QString getPropertyLabel(const PropertyName &) const;
virtual QString getPropertyIconName(const PropertyName &) const;
virtual PropertyType getPropertyType(const PropertyName &) const;
virtual QString getPropertyGroupName(const PropertyName &) const;
virtual int getPropertyRangeAndValue(const PropertyName &,
int *min, int *max, int *deflt) const;
virtual QString getPropertyValueLabel(const PropertyName &,
int value) const;
virtual void setProperty(const PropertyName &, int value);
void setFillColourMap(int);
int getFillColourMap() const { return m_colourMap; }
enum PlotStyle {
PlotPoints,
PlotStems,
PlotConnectedPoints,
PlotLines,
PlotCurve,
PlotSegmentation,
PlotDiscreteCurves
};
void setPlotStyle(PlotStyle style);
PlotStyle getPlotStyle() const { return m_plotStyle; }
enum VerticalScale {
AutoAlignScale,
LinearScale,
LogScale,
PlusMinusOneScale
};
void setVerticalScale(VerticalScale scale);
VerticalScale getVerticalScale() const { return m_verticalScale; }
void setDrawSegmentDivisions(bool);
bool getDrawSegmentDivisions() const { return m_drawSegmentDivisions; }
void setShowDerivative(bool);
bool getShowDerivative() const { return m_derivative; }
virtual bool isLayerScrollable(const View *v) const;
virtual bool isLayerEditable() const { return true; }
virtual int getCompletion(View *) const { return m_model->getCompletion(); }
virtual bool needsTextLabelHeight() const {
return m_plotStyle == PlotSegmentation && m_model->hasTextLabels();
}
virtual bool getValueExtents(double &min, double &max,
bool &logarithmic, QString &unit) const;
virtual bool getDisplayExtents(double &min, double &max) const;
virtual bool setDisplayExtents(double min, double max);
virtual int getVerticalZoomSteps(int &defaultStep) const;
virtual int getCurrentVerticalZoomStep() const;
virtual void setVerticalZoomStep(int);
virtual RangeMapper *getNewVerticalZoomRangeMapper() const;
virtual void toXml(QTextStream &stream, QString indent = "",
QString extraAttributes = "") const;
void setProperties(const QXmlAttributes &attributes);
virtual ColourSignificance getLayerColourSignificance() const {
if (m_plotStyle == PlotSegmentation) {
return ColourHasMeaningfulValue;
} else {
return ColourDistinguishes;
}
}
/// VerticalScaleLayer and ColourScaleLayer methods
virtual int getYForValue(View *, double value) const;
virtual double getValueForY(View *, int y) const;
virtual QString getScaleUnits() const;
virtual QColor getColourForValue(View *v, double value) const;
protected:
void getScaleExtents(View *, double &min, double &max, bool &log) const;
bool shouldAutoAlign() const;
SparseTimeValueModel::PointList getLocalPoints(View *v, int) const;
virtual int getDefaultColourHint(bool dark, bool &impose);
SparseTimeValueModel *m_model;
bool m_editing;
SparseTimeValueModel::Point m_originalPoint;
SparseTimeValueModel::Point m_editingPoint;
SparseTimeValueModel::EditCommand *m_editingCommand;
int m_colourMap;
PlotStyle m_plotStyle;
VerticalScale m_verticalScale;
bool m_drawSegmentDivisions;
bool m_derivative;
mutable double m_scaleMinimum;
mutable double m_scaleMaximum;
void finish(SparseTimeValueModel::EditCommand *command) {
Command *c = command->finish();
if (c) CommandHistory::getInstance()->addCommand(c, false);
}
};
#endif
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