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https://github.com/LMMS/lmms.git
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3ae2b40eec
Added a one-window-mode which allows to have only one instrument track
window open at a time. The content of this window is replaced each time
you open a different track.
Furthermore added global reception and forwarding of key events to the
piano widget of the top-most instrument track window. This for example
enables the user to play test sounds while tweaking some effects in a
different subwindow.
(cherry picked from commit 93681760d2)
90 lines
2.2 KiB
C++
90 lines
2.2 KiB
C++
/*
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* PianoView.h - declaration of PianoView, an interactive piano/keyboard-widget
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*
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* Copyright (c) 2004-2010 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef _PIANO_VIEW_H
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#define _PIANO_VIEW_H
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#include <QtGui/QPixmap>
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#include <QtGui/QScrollBar>
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#include "ModelView.h"
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class Piano;
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class PianoView : public QWidget, public ModelView
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{
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Q_OBJECT
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public:
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PianoView( QWidget * _parent );
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virtual ~PianoView();
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static int getKeyFromKeyEvent( QKeyEvent * _ke );
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public:
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virtual void keyPressEvent( QKeyEvent * ke );
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virtual void keyReleaseEvent( QKeyEvent * ke );
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protected:
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virtual void modelChanged();
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virtual void contextMenuEvent( QContextMenuEvent * _me );
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virtual void paintEvent( QPaintEvent * );
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virtual void mousePressEvent( QMouseEvent * me );
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virtual void mouseReleaseEvent( QMouseEvent * me );
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virtual void mouseMoveEvent( QMouseEvent * me );
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virtual void focusOutEvent( QFocusEvent * _fe );
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virtual void resizeEvent( QResizeEvent * _event );
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private:
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int getKeyFromMouse( const QPoint & _p ) const;
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int getKeyX( int _key_num ) const;
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static QPixmap * s_whiteKeyPm;
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static QPixmap * s_blackKeyPm;
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static QPixmap * s_whiteKeyPressedPm;
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static QPixmap * s_blackKeyPressedPm;
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Piano * m_piano;
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QScrollBar * m_pianoScroll;
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int m_startKey; // first key when drawing
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int m_lastKey;
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private slots:
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void pianoScrolled( int _new_pos );
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signals:
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void keyPressed( int );
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void baseNoteChanged();
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} ;
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#endif
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