mirror of
https://github.com/LMMS/lmms.git
synced 2026-03-04 22:26:07 -05:00
91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
/*
|
|
* PianoView.h - declaration of PianoView, an interactive piano/keyboard-widget
|
|
*
|
|
* Copyright (c) 2004-2010 Tobias Doerffel <tobydox/at/users.sourceforge.net>
|
|
*
|
|
* This file is part of LMMS - https://lmms.io
|
|
*
|
|
* 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_VIEW_H
|
|
#define PIANO_VIEW_H
|
|
|
|
#include <QPixmap>
|
|
#include <QScrollBar>
|
|
|
|
#include "ModelView.h"
|
|
|
|
class Piano;
|
|
|
|
|
|
class PianoView : public QWidget, public ModelView
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
PianoView( QWidget * _parent );
|
|
virtual ~PianoView() = default;
|
|
|
|
static int getKeyFromKeyEvent( QKeyEvent * _ke );
|
|
|
|
|
|
public:
|
|
void keyPressEvent( QKeyEvent * ke ) override;
|
|
void keyReleaseEvent( QKeyEvent * ke ) override;
|
|
|
|
|
|
protected:
|
|
void modelChanged() override;
|
|
void contextMenuEvent( QContextMenuEvent * _me ) override;
|
|
void paintEvent( QPaintEvent * ) override;
|
|
void mousePressEvent( QMouseEvent * me ) override;
|
|
void mouseReleaseEvent( QMouseEvent * me ) override;
|
|
void mouseMoveEvent( QMouseEvent * me ) override;
|
|
void focusOutEvent( QFocusEvent * _fe ) override;
|
|
void focusInEvent( QFocusEvent * fe ) override;
|
|
void resizeEvent( QResizeEvent * _event ) override;
|
|
|
|
|
|
private:
|
|
int getKeyFromMouse( const QPoint & _p ) const;
|
|
int getKeyX( int _key_num ) const;
|
|
|
|
static QPixmap * s_whiteKeyPm;
|
|
static QPixmap * s_blackKeyPm;
|
|
static QPixmap * s_whiteKeyPressedPm;
|
|
static QPixmap * s_blackKeyPressedPm;
|
|
|
|
Piano * m_piano;
|
|
|
|
QScrollBar * m_pianoScroll;
|
|
int m_startKey; // first key when drawing
|
|
int m_lastKey;
|
|
|
|
|
|
private slots:
|
|
void pianoScrolled( int _new_pos );
|
|
|
|
signals:
|
|
void keyPressed( int );
|
|
void baseNoteChanged();
|
|
|
|
} ;
|
|
|
|
|
|
#endif
|
|
|