mirror of
https://github.com/LMMS/lmms.git
synced 2026-01-06 05:28:17 -05:00
22de18909a
git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@23 0778d3d1-df1d-0410-868b-ea421aaaa00d
106 lines
2.3 KiB
C++
106 lines
2.3 KiB
C++
/*
|
|
* piano_widget.h - declaration of class pianoWidget, a widget which provides
|
|
* an interactive piano/keyboard-widget
|
|
*
|
|
* Linux MultiMedia Studio
|
|
* Copyright (c) 2004-2005 Tobias Doerffel <tobydox/at/users.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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*
|
|
*/
|
|
|
|
|
|
#ifndef _PIANO_WIDGET_H
|
|
#define _PIANO_WIDGET_H
|
|
|
|
#include "qt3support.h"
|
|
|
|
#ifdef QT4
|
|
|
|
#include <QWidget>
|
|
#include <QPixmap>
|
|
#include <QScrollBar>
|
|
|
|
#else
|
|
|
|
#include <qwidget.h>
|
|
#include <qpixmap.h>
|
|
#include <qscrollbar.h>
|
|
|
|
#endif
|
|
|
|
|
|
#include "note.h"
|
|
|
|
|
|
class channelTrack;
|
|
class notePlayHandle;
|
|
|
|
|
|
enum keyTypes
|
|
{
|
|
WHITE_KEY,
|
|
BLACK_KEY
|
|
} ;
|
|
|
|
|
|
class pianoWidget : public QWidget
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
pianoWidget( channelTrack * _channel_track );
|
|
virtual ~pianoWidget();
|
|
|
|
|
|
protected:
|
|
virtual void paintEvent( QPaintEvent * );
|
|
virtual void mousePressEvent( QMouseEvent * me );
|
|
virtual void mouseReleaseEvent( QMouseEvent * me );
|
|
virtual void mouseMoveEvent( QMouseEvent * me );
|
|
virtual void keyPressEvent( QKeyEvent * ke );
|
|
virtual void keyReleaseEvent( QKeyEvent * ke );
|
|
virtual void focusOutEvent( QFocusEvent * _fe );
|
|
|
|
|
|
private:
|
|
int FASTCALL getKeyFromMouse( const QPoint & _p );
|
|
int FASTCALL getKeyFromKeyboard( int _k ) const;
|
|
int FASTCALL getKeyX( int _key_num );
|
|
|
|
static QPixmap * s_whiteKeyPm;
|
|
static QPixmap * s_blackKeyPm;
|
|
static QPixmap * s_whiteKeyPressedPm;
|
|
static QPixmap * s_blackKeyPressedPm;
|
|
|
|
bool m_pressedKeys[NOTES_PER_OCTAVE * OCTAVES];
|
|
|
|
QScrollBar * m_pianoScroll;
|
|
channelTrack * m_channelTrack;
|
|
tones m_startTone; // first key when drawing
|
|
octaves m_startOctave;
|
|
|
|
int m_lastKey;
|
|
|
|
|
|
private slots:
|
|
void pianoScrolled( int _new_pos );
|
|
|
|
} ;
|
|
|
|
|
|
#endif
|
|
|