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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 _NOTE_LAYER_H_
#define _NOTE_LAYER_H_
#include "SingleColourLayer.h"
#include "VerticalScaleLayer.h"
#include "data/model/NoteModel.h"
#include <QObject>
#include <QColor>
class View;
class QPainter;
class NoteLayer : public SingleColourLayer,
public VerticalScaleLayer
{
Q_OBJECT
public:
NoteLayer();
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 bool snapToFeatureFrame(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(NoteModel *model);
virtual PropertyList getProperties() const;
virtual QString getPropertyLabel(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);
enum VerticalScale {
AutoAlignScale,
LinearScale,
LogScale,
MIDIRangeScale
};
void setVerticalScale(VerticalScale scale);
VerticalScale getVerticalScale() const { return m_verticalScale; }
virtual bool isLayerScrollable(const View *v) const;
virtual bool isLayerEditable() const { return true; }
virtual int getCompletion(View *) const { return m_model->getCompletion(); }
virtual bool getValueExtents(double &min, double &max,
bool &log, 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;
/**
* Add a note-on. Used when recording MIDI "live". The note will
* not be finally added to the layer until the corresponding
* note-off.
*/
void addNoteOn(sv_frame_t frame, int pitch, int velocity);
/**
* Add a note-off. This will cause a note to appear, if and only
* if there is a matching pending note-on.
*/
void addNoteOff(sv_frame_t frame, int pitch);
/**
* Abandon all pending note-on events.
*/
void abandonNoteOns();
virtual void toXml(QTextStream &stream, QString indent = "",
QString extraAttributes = "") const;
void setProperties(const QXmlAttributes &attributes);
/// VerticalScaleLayer methods
virtual int getYForValue(View *v, double value) const;
virtual double getValueForY(View *v, int y) const;
virtual QString getScaleUnits() const;
protected:
void getScaleExtents(View *, double &min, double &max, bool &log) const;
bool shouldConvertMIDIToHz() const;
virtual int getDefaultColourHint(bool dark, bool &impose);
NoteModel::PointList getLocalPoints(View *v, int) const;
bool getPointToDrag(View *v, int x, int y, NoteModel::Point &) const;
NoteModel *m_model;
bool m_editing;
int m_dragPointX;
int m_dragPointY;
int m_dragStartX;
int m_dragStartY;
NoteModel::Point m_originalPoint;
NoteModel::Point m_editingPoint;
NoteModel::EditCommand *m_editingCommand;
VerticalScale m_verticalScale;
typedef std::set<NoteModel::Point, NoteModel::Point::Comparator> NoteSet;
NoteSet m_pendingNoteOns;
mutable double m_scaleMinimum;
mutable double m_scaleMaximum;
bool shouldAutoAlign() const;
void finish(NoteModel::EditCommand *command) {
Command *c = command->finish();
if (c) CommandHistory::getInstance()->addCommand(c, false);
}
};
#endif
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