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//=========================================================
// MusE
// Linux Music Editor
// $Id: waveview.h,v 1.3.2.6 2009/02/02 21:38:01 terminator356 Exp $
// (C) Copyright 2000 Werner Schweer (ws@seh.de)
//=========================================================
#ifndef WAVE_VIEW_H
#define WAVE_VIEW_H
#include "view.h"
#include <QWidget>
#include <QMouseEvent>
#include "wave.h"
class PartList;
class QPainter;
class QRect;
class WavePart;
class MidiEditor;
class SndFileR;
struct WaveEventSelection {
SndFileR file;
unsigned startframe;
unsigned endframe;
};
typedef std::list<WaveEventSelection> WaveSelectionList;
typedef std::list<WaveEventSelection>::iterator iWaveSelection;
//---------------------------------------------------------
// WaveView
//---------------------------------------------------------
class WaveView : public View {
MidiEditor* editor;
unsigned pos[3];
int yScale;
int button;
int startSample;
int endSample;
WavePart* curPart;
QString copiedPart;
int curPartId;
enum { NORMAL, DRAG } mode;
enum { MUTE = 0, NORMALIZE, FADE_IN, FADE_OUT, REVERSE, GAIN, EDIT_EXTERNAL, CUT, COPY, PASTE }; //!< Modify operations
unsigned selectionStart, selectionStop, dragstartx;
Q_OBJECT
virtual void pdraw(QPainter&, const QRect&);
virtual void draw(QPainter&, const QRect&);
virtual void viewMousePressEvent(QMouseEvent*);
virtual void viewMouseMoveEvent(QMouseEvent*);
virtual void viewMouseReleaseEvent(QMouseEvent*);
virtual void wheelEvent(QWheelEvent*);
//bool getUniqueTmpfileName(QString& newFilename); //!< Generates unique filename for temporary SndFile
WaveSelectionList getSelection(unsigned startpos, unsigned stoppos);
int lastGainvalue; //!< Stores the last used gainvalue when specifiying gain value in the editgain dialog
void modifySelection(int operation, unsigned startpos, unsigned stoppos, double paramA); //!< Modifies selection
void muteSelection(unsigned channels, float** data, unsigned length); //!< Mutes selection
void normalizeSelection(unsigned channels, float** data, unsigned length); //!< Normalizes selection
void fadeInSelection(unsigned channels, float** data, unsigned length); //!< Linear fade in of selection
void fadeOutSelection(unsigned channels, float** data, unsigned length); //!< Linear fade out of selection
void reverseSelection(unsigned channels, float** data, unsigned length); //!< Reverse selection
void applyGain(unsigned channels, float** data, unsigned length, double gain); //!< Apply gain to selection
void copySelection(unsigned file_channels, float** tmpdata, unsigned tmpdatalen, bool blankData, unsigned format, unsigned sampleRate);
void editExternal(unsigned file_format, unsigned file_samplerate, unsigned channels, float** data, unsigned length);
//void applyLadspa(unsigned channels, float** data, unsigned length); //!< Apply LADSPA plugin on selection
private slots:
void setPos(int idx, unsigned val, bool adjustScrollbar);
public slots:
void setYScale(int);
void songChanged(int type);
signals:
void followEvent(int);
void timeChanged(unsigned);
void mouseWheelMoved(int);
void horizontalScroll(unsigned);
void horizontalZoomIn();
void horizontalZoomOut();
public:
WaveView(MidiEditor*, QWidget* parent, int xscale, int yscale);
QString getCaption() const;
void range(int*, int*);
void cmd(int n);
WavePart* part() { return curPart; }
};
#endif
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