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8e8879f735
Conflicts: include/ConfigManager.h include/MidiTime.h include/string_pair_drag.h src/gui/string_pair_drag.cpp src/gui/widgets/rubberband.cpp
131 lines
2.8 KiB
C++
131 lines
2.8 KiB
C++
/*
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* Piano.cpp - implementation of piano-widget used in instrument-track-window
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* for testing + according model class
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*
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* Copyright (c) 2004-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of LMMS - http://lmms.io
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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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/** \file Piano.cpp
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* \brief A piano keyboard to play notes on in the instrument plugin window.
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*/
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/*
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* \mainpage Instrument plugin keyboard display classes
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*
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* \section introduction Introduction
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*
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* \todo fill this out
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* \todo write isWhite inline function and replace throughout
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*/
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#include "Piano.h"
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#include "InstrumentTrack.h"
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#include "MidiEvent.h"
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#include "MidiEventProcessor.h"
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/*! \brief Create a new keyboard display
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*
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* \param _it the InstrumentTrack window to attach to
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*/
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Piano::Piano( InstrumentTrack* track ) :
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Model( NULL ), /*!< base class ctor */
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m_instrumentTrack( track ),
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m_midiEvProc( track ) /*!< the InstrumentTrack Model */
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{
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for( int i = 0; i < NumKeys; ++i )
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{
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m_pressedKeys[i] = false;
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}
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}
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/*! \brief Destroy this new keyboard display
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*
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*/
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Piano::~Piano()
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{
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}
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/*! \brief Turn a key on or off
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*
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* \param key the key number to change
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* \param state the state to set the key to
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*/
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void Piano::setKeyState( int key, bool state )
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{
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if( isValidKey( key ) )
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{
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m_pressedKeys[key] = state;
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emit dataChanged();
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}
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}
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/*! \brief Handle a note being pressed on our keyboard display
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*
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* \param key the key being pressed
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*/
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void Piano::handleKeyPress( int key, int midiVelocity )
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{
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if( midiVelocity == -1 )
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{
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midiVelocity = m_instrumentTrack->midiPort()->baseVelocity();
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}
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if( isValidKey( key ) )
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{
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m_midiEvProc->processInEvent( MidiEvent( MidiNoteOn, -1, key, midiVelocity ) );
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m_pressedKeys[key] = true;
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}
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}
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/*! \brief Handle a note being released on our keyboard display
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*
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* \param key the key being releassed
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*/
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void Piano::handleKeyRelease( int key )
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{
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if( isValidKey( key ) )
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{
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m_midiEvProc->processInEvent( MidiEvent( MidiNoteOff, -1, key, 0 ) );
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m_pressedKeys[key] = false;
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}
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}
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