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//=============================================================================
// MusE
// Linux Music Editor
// $Id:$
//
// Copyright (C) 2002-2006 by Werner Schweer and others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//=============================================================================
#ifndef WAVE_VIEW_H
#define WAVE_VIEW_H
#include "al/pos.h"
#include "wave.h"
#include "awl/tcanvas.h"
#include "ctrl/ctrledit.h"
class PartList;
class QPainter;
class QRect;
class Part;
class WaveEdit;
class GraphMidiEditor;
//---------------------------------------------------------
// WaveEventSelection
//---------------------------------------------------------
struct WaveEventSelection {
SndFileR file;
unsigned startframe;
unsigned endframe;
};
typedef std::list<WaveEventSelection> WaveSelectionList;
typedef std::list<WaveEventSelection>::iterator iWaveSelection;
//---------------------------------------------------------
// WaveView
//---------------------------------------------------------
class WaveView : public TimeCanvas {
Q_OBJECT
WaveEdit* editor;
CtrlEditList ctrlEditList;
int startFrame;
int endFrame;
Part* curPart;
enum { NORMAL, DRAG } mode;
enum { MUTE = 0, NORMALIZE, FADE_IN, FADE_OUT, REVERSE, GAIN, EDIT_EXTERNAL }; //!< Modify operations
unsigned selectionStart, selectionStop, dragstartx;
int curSplitter; // -1 mouse not in splitter
bool dragSplitter;
int splitterY;
virtual void paint(QPainter&, QRect);
virtual void mousePress(QMouseEvent*);
virtual void mouseMove(QPoint);
virtual void enterB();
virtual void leaveB();
virtual void mouseRelease(QMouseEvent*);
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 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
void drawWavePart(QPainter& p, Part* wp, int y0, int th, int from, int to);
virtual void addController();
virtual void layout();
void layoutPanelB(CtrlEdit*);
void updatePartControllerList();
virtual void paintControllerCanvas(QPainter&, QRect);
virtual void paintControllerPanel(QPainter&, QRect);
void setCursor();
private slots:
void removeController(QAction*);
public slots:
void songChanged(int type);
signals:
void yChanged(int); // emitted from mouseMove in controller canvas
public:
WaveView(WaveEdit*);
QString getCaption() const;
void cmd(const QString&);
void range(AL::Pos&, AL::Pos&) const;
void addController(int id, int h);
void layout1();
const CtrlEditList* getCtrlEditors() const { return &ctrlEditList; }
};
#endif
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