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//=========================================================
// MusE
// Linux Music Editor
// wavecanvas.h
// (C) Copyright 2012 Tim E. Real (terminator356 on users dot sourceforge dot net)
//
// Based on WaveView.cpp and PianoCanvas.cpp
// (C) Copyright 2000 Werner Schweer (ws@seh.de)
// and others.
//
// 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; version 2 of
// the License, or (at your option) any later version.
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=========================================================
#ifndef __WAVECANVAS_H__
#define __WAVECANVAS_H__
#include "type_defs.h"
#include "ecanvas.h"
#include <QDragEnterEvent>
#include <QDropEvent>
#include <QMouseEvent>
#include <QDragMoveEvent>
#include <QDragLeaveEvent>
#include <QWheelEvent>
#include <QResizeEvent>
#include <QTimer>
class QRect;
namespace MusECore {
class SndFileR;
class WavePart;
class WaveTrack;
struct WaveEventSelection {
SndFileR file;
unsigned startframe;
unsigned endframe;
};
typedef std::list<WaveEventSelection> WaveSelectionList;
typedef std::list<WaveEventSelection>::iterator iWaveSelection;
}
namespace MusEGui {
//---------------------------------------------------------
// WEvent
// ''visual'' Wave Event
//---------------------------------------------------------
class WEvent : public CItem {
public:
WEvent(MusECore::Event& e, MusECore::Part* p, int height);
};
//---------------------------------------------------------
// WaveCanvas
//---------------------------------------------------------
class WaveCanvas : public EventCanvas {
Q_OBJECT
enum { NORMAL, DRAG } mode;
enum { MUTE = 0, NORMALIZE, FADE_IN, FADE_OUT, REVERSE, GAIN, EDIT_EXTERNAL, CUT, COPY, PASTE }; //!< Modify operations
int yScale;
int button;
unsigned startSample;
unsigned endSample;
int colorMode;
int selectionStart, selectionStop, dragstartx;
int lastGainvalue; //!< Stores the last used gainvalue when specifiying gain value in the editgain dialog
QString copiedPart;
//bool getUniqueTmpfileName(QString& newFilename); //!< Generates unique filename for temporary SndFile
MusECore::WaveSelectionList getSelection(unsigned startpos, unsigned stoppos);
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
protected:
virtual QPoint raster(const QPoint&) const;
void drawTickRaster(QPainter& p, int x, int y, int w, int h, int raster);
void drawParts(QPainter&, const QRect&, bool do_cur_part);
virtual void draw(QPainter&, const QRect&);
virtual void viewMouseDoubleClickEvent(QMouseEvent*);
virtual void wheelEvent(QWheelEvent*);
virtual bool mousePress(QMouseEvent*);
virtual void mouseMove(QMouseEvent* event);
virtual void mouseRelease(const QPoint&);
virtual void drawItem(QPainter&, const CItem*, const QRect&);
void drawTopItem(QPainter &p, const QRect &rect);
virtual void drawMoving(QPainter&, const CItem*, const QRect&);
virtual MusECore::Undo moveCanvasItems(CItemList&, int, int, DragType);
virtual bool moveItem(MusECore::Undo&, CItem*, const QPoint&, DragType);
virtual CItem* newItem(const QPoint&, int);
virtual void resizeItem(CItem*, bool noSnap, bool);
virtual void newItem(CItem*, bool noSnap);
virtual bool deleteItem(CItem*);
virtual void startDrag(CItem* item, bool copymode);
virtual void dragEnterEvent(QDragEnterEvent* event);
virtual void dragMoveEvent(QDragMoveEvent*);
virtual void dragLeaveEvent(QDragLeaveEvent*);
virtual CItem* addItem(MusECore::Part*, MusECore::Event&);
int y2pitch(int) const;
int pitch2y(int) const;
virtual void drawCanvas(QPainter&, const QRect&);
virtual void itemPressed(const CItem*);
virtual void itemReleased(const CItem*, const QPoint&);
virtual void itemMoved(const CItem*, const QPoint&);
virtual void curPartChanged();
virtual void resizeEvent(QResizeEvent*);
void adjustWaveOffset();
private slots:
void setPos(int idx, unsigned val, bool adjustScrollbar);
signals:
void quantChanged(int);
void rasterChanged(int);
void newWidth(int);
void mouseWheelMoved(int);
public slots:
void setYScale(int);
void waveCmd(int);
public:
enum { CMD_MUTE=0, CMD_NORMALIZE, CMD_FADE_IN, CMD_FADE_OUT, CMD_REVERSE,
CMD_GAIN_FREE, CMD_GAIN_200, CMD_GAIN_150, CMD_GAIN_75, CMD_GAIN_50, CMD_GAIN_25,
CMD_EDIT_COPY, CMD_EDIT_CUT, CMD_EDIT_PASTE, CMD_PASTE_DIALOG, CMD_DEL,
CMD_EDIT_EXTERNAL,
CMD_QUANTIZE,
CMD_SELECT_ALL, CMD_SELECT_NONE, CMD_SELECT_INVERT,
CMD_SELECT_ILOOP, CMD_SELECT_OLOOP, CMD_SELECT_PREV_PART, CMD_SELECT_NEXT_PART,
CMD_ERASE_MEASURE, CMD_DELETE_MEASURE, CMD_CREATE_MEASURE,
CMD_ADJUST_WAVE_OFFSET
};
WaveCanvas(MidiEditor*, QWidget*, int, int);
virtual ~WaveCanvas();
MusECore::WaveTrack* track() const;
void cmd(int cmd);
void setColorMode(int mode) {
colorMode = mode;
redraw();
}
QString getCaption() const;
void songChanged(MusECore::SongChangedFlags_t);
void range(int* s, int* e) const { *s = startSample; *e = endSample; }
void selectAtTick(unsigned int tick);
void selectAtFrame(unsigned int frame);
void modifySelected(NoteInfo::ValType type, int val, bool delta_mode = true);
void keyPress(QKeyEvent*);
};
} // namespace MusEGui
#endif
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