Files
lmms/include/PianoRoll.h

355 lines
8.1 KiB
C++

/*
* PianoRoll.h - declaration of class PianoRoll which is a window where you
* can set and edit notes in an easy way
*
* Copyright (c) 2004-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
* Copyright (c) 2008 Andrew Kelley <superjoe30/at/gmail/dot/com>
*
* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
*
* 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.
*
* 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 (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#ifndef PIANO_ROLL_H
#define PIANO_ROLL_H
#include <QtGui/QWidget>
#include "ComboBoxModel.h"
#include "SerializingObject.h"
#include "note.h"
#include "lmms_basics.h"
#include "song.h"
class QPainter;
class QPixmap;
class QScrollBar;
class QString;
class QMenu;
class QSignalMapper;
class comboBox;
class NotePlayHandle;
class pattern;
class timeLine;
class toolButton;
class PianoRoll : public QWidget, public SerializingObject
{
Q_OBJECT
public:
void setCurrentPattern( pattern * _new_pattern );
inline void stopRecording()
{
m_recording = false;
}
inline bool isRecording() const
{
return m_recording;
}
inline const pattern * currentPattern() const
{
return m_pattern;
}
inline bool validPattern() const
{
return m_pattern != NULL;
}
song::PlayModes desiredPlayModeForAccompany() const;
int quantization() const;
virtual void saveSettings( QDomDocument & _doc, QDomElement & _parent );
virtual void loadSettings( const QDomElement & _this );
inline virtual QString nodeName() const
{
return "pianoroll";
}
void setPauseIcon( bool pause );
protected:
virtual void closeEvent( QCloseEvent * _ce );
virtual void keyPressEvent( QKeyEvent * _ke );
virtual void keyReleaseEvent( QKeyEvent * _ke );
virtual void leaveEvent( QEvent * _e );
virtual void mousePressEvent( QMouseEvent * _me );
virtual void mouseDoubleClickEvent( QMouseEvent * _me );
virtual void mouseReleaseEvent( QMouseEvent * _me );
virtual void mouseMoveEvent( QMouseEvent * _me );
virtual void paintEvent( QPaintEvent * _pe );
virtual void resizeEvent( QResizeEvent * _re );
virtual void wheelEvent( QWheelEvent * _we );
int getKey( int _y ) const;
static inline void drawNoteRect( QPainter & _p, int _x, int _y,
int _width, note * _n );
void removeSelection();
void selectAll();
void getSelectedNotes( NoteVector & _selected_notes );
protected slots:
void play();
void record();
void recordAccompany();
void stop();
void startRecordNote( const note & _n );
void finishRecordNote( const note & _n );
void horScrolled( int _new_pos );
void verScrolled( int _new_pos );
void drawButtonToggled();
void eraseButtonToggled();
void selectButtonToggled();
void detuneButtonToggled();
void copySelectedNotes();
void cutSelectedNotes();
void pasteNotes();
void deleteSelectedNotes();
void updatePosition( const MidiTime & _t );
void updatePositionAccompany( const MidiTime & _t );
void zoomingChanged();
void quantizeChanged();
void updateSemiToneMarkerMenu();
void changeNoteEditMode( int i );
void markSemiTone( int i );
signals:
void currentPatternChanged();
void semiToneMarkerMenuScaleSetEnabled(bool);
void semiToneMarkerMenuChordSetEnabled(bool);
private:
enum editModes
{
ModeDraw,
ModeErase,
ModeSelect,
ModeEditDetuning,
};
enum actions
{
ActionNone,
ActionMoveNote,
ActionResizeNote,
ActionSelectNotes,
ActionChangeNoteProperty,
ActionResizeNoteEditArea
};
enum noteEditMode
{
NoteEditVolume,
NoteEditPanning,
NoteEditCount // make sure this one is always last
};
enum semiToneMarkerAction
{
stmaUnmarkAll,
stmaMarkCurrentSemiTone,
stmaMarkCurrentScale,
stmaMarkCurrentChord,
};
enum PianoRollKeyTypes
{
PR_WHITE_KEY_SMALL,
PR_WHITE_KEY_BIG,
PR_BLACK_KEY
};
QVector<QString> m_nemStr; // gui names of each edit mode
QMenu * m_noteEditMenu; // when you right click below the key area
QList<int> m_markedSemiTones;
QMenu * m_semiToneMarkerMenu; // when you right click on the key area
PianoRoll();
PianoRoll( const PianoRoll & );
virtual ~PianoRoll();
void autoScroll( const MidiTime & _t );
MidiTime newNoteLen() const;
void shiftPos(int amount);
void shiftSemiTone(int amount);
bool isSelection() const;
int selectionCount() const;
void testPlayNote( note * n );
void testPlayKey( int _key, int _vol, int _pan );
void pauseTestNotes( bool _pause = true );
inline int noteEditTop() const;
inline int keyAreaBottom() const;
inline int noteEditBottom() const;
inline int keyAreaTop() const;
inline int noteEditRight() const;
inline int noteEditLeft() const;
void dragNotes( int x, int y, bool alt, bool shift );
static const int cm_scrollAmtHoriz = 10;
static const int cm_scrollAmtVert = 1;
static QPixmap * s_whiteKeyBigPm;
static QPixmap * s_whiteKeyBigPressedPm;
static QPixmap * s_whiteKeySmallPm;
static QPixmap * s_whiteKeySmallPressedPm;
static QPixmap * s_blackKeyPm;
static QPixmap * s_blackKeyPressedPm;
static QPixmap * s_toolDraw;
static QPixmap * s_toolErase;
static QPixmap * s_toolSelect;
static QPixmap * s_toolMove;
static QPixmap * s_toolOpen;
static PianoRollKeyTypes prKeyOrder[];
QWidget * m_toolBar;
toolButton * m_playButton;
toolButton * m_recordButton;
toolButton * m_recordAccompanyButton;
toolButton * m_stopButton;
toolButton * m_drawButton;
toolButton * m_eraseButton;
toolButton * m_selectButton;
toolButton * m_detuneButton;
toolButton * m_cutButton;
toolButton * m_copyButton;
toolButton * m_pasteButton;
comboBox * m_zoomingComboBox;
comboBox * m_quantizeComboBox;
comboBox * m_noteLenComboBox;
comboBox * m_scaleComboBox;
comboBox * m_chordComboBox;
ComboBoxModel m_zoomingModel;
ComboBoxModel m_quantizeModel;
ComboBoxModel m_noteLenModel;
ComboBoxModel m_scaleModel;
ComboBoxModel m_chordModel;
pattern * m_pattern;
QScrollBar * m_leftRightScroll;
QScrollBar * m_topBottomScroll;
MidiTime m_currentPosition;
bool m_recording;
QList<note> m_recordingNotes;
note * m_currentNote;
actions m_action;
noteEditMode m_noteEditMode;
int m_selectStartTick;
int m_selectedTick;
int m_selectStartKey;
int m_selectedKeys;
// boundary box around all selected notes when dragging
int m_moveBoundaryLeft;
int m_moveBoundaryTop;
int m_moveBoundaryRight;
int m_moveBoundaryBottom;
// remember where the scrolling started when dragging so that
// we can handle dragging while scrolling with arrow keys
int m_mouseDownKey;
int m_mouseDownTick;
// remember the last x and y of a mouse movement
int m_lastMouseX;
int m_lastMouseY;
// x,y of when the user starts a drag
int m_moveStartX;
int m_moveStartY;
int m_oldNotesEditHeight;
int m_notesEditHeight;
int m_ppt;
int m_totalKeysToScroll;
// remember these values to use them
// for the next note that is set
MidiTime m_lenOfNewNotes;
volume_t m_lastNoteVolume;
panning_t m_lastNotePanning;
int m_startKey; // first key when drawing
int m_lastKey;
editModes m_editMode;
editModes m_ctrlMode; // mode they were in before they hit ctrl
bool m_mouseDownLeft; //true if left click is being held down
bool m_mouseDownRight; //true if right click is being held down
timeLine * m_timeLine;
bool m_scrollBack;
void copy_to_clipboard( const NoteVector & _notes ) const;
void drawDetuningInfo( QPainter & _p, note * _n, int _x, int _y );
bool mouseOverNote();
note * noteUnderMouse();
// turn a selection rectangle into selected notes
void computeSelectedNotes( bool shift );
void clearSelectedNotes();
friend class engine;
signals:
void positionChanged( const MidiTime & );
} ;
#endif