lmms::Piano Class Reference

#include <Piano.h>

Inheritance diagram for lmms::Piano:

Public Types
enum class	KeyType { White , Black }

Public Member Functions
	Piano (InstrumentTrack *track)
	Create a new keyboard display.
void	setKeyState (int key, bool state)
	Turn a key on or off.
bool	isKeyPressed (int key) const
void	handleKeyPress (int key, int midiVelocity=-1)
	Handle a note being pressed on our keyboard display.
void	handleKeyRelease (int key)
	Handle a note being released on our keyboard display.
InstrumentTrack *	instrumentTrack () const
MidiEventProcessor *	midiEventProcessor () const
Public Member Functions inherited from lmms::Model
	Model (Model *parent, QString displayName=QString(), bool defaultConstructed=false)
	~Model () override=default
bool	isDefaultConstructed () const
Model *	parentModel () const
virtual QString	displayName () const
virtual void	setDisplayName (const QString &displayName)
virtual QString	fullDisplayName () const

Static Public Member Functions
static bool	isWhiteKey (int key)
static bool	isBlackKey (int key)

Static Public Attributes
static const unsigned int	WhiteKeysPerOctave = 7
static const unsigned int	BlackKeysPerOctave = 5
static const unsigned int	NumWhiteKeys = 75
static const unsigned int	NumBlackKeys = 53

Static Private Member Functions
static bool	isValidKey (int key)

Private Attributes
InstrumentTrack *	m_instrumentTrack
MidiEventProcessor *	m_midiEvProc
std::array< bool, NumKeys >	m_pressedKeys = {}

Additional Inherited Members
Signals inherited from lmms::Model
void	dataChanged ()
void	dataUnchanged ()
void	propertiesChanged ()

Member Enumeration Documentation

KeyType

enum class lmms::Piano::KeyType

strong

Enumerator
White
Black

Constructor & Destructor Documentation

Piano()

lmms::Piano::Piano

(

InstrumentTrack *

track

)

Create a new keyboard display.

Parameters

track

The InstrumentTrack window to attach to

Member Function Documentation

handleKeyPress()

void lmms::Piano::handleKeyPress	(	int	key,
		int	midiVelocity = -1 )

Handle a note being pressed on our keyboard display.

Parameters

key	the key being pressed
midiVelocity	An optional MIDI velocity override

handleKeyRelease()

void lmms::Piano::handleKeyRelease

(

int

key

)

Handle a note being released on our keyboard display.

Parameters

key	the key being releassed

instrumentTrack()

InstrumentTrack * lmms::Piano::instrumentTrack ( ) const

inline

isBlackKey()

bool lmms::Piano::isBlackKey ( int key )

static

isKeyPressed()

bool lmms::Piano::isKeyPressed ( int key ) const

inline

isValidKey()

bool lmms::Piano::isValidKey ( int key )

inlinestaticprivate

isWhiteKey()

bool lmms::Piano::isWhiteKey ( int key )

static

midiEventProcessor()

MidiEventProcessor * lmms::Piano::midiEventProcessor ( ) const

inline

setKeyState()

void lmms::Piano::setKeyState	(	int	key,
		bool	state )

Turn a key on or off.

Parameters

key	the key number to change
state	the state to set the key to

Member Data Documentation

BlackKeysPerOctave

const unsigned int lmms::Piano::BlackKeysPerOctave = 5

static

m_instrumentTrack

InstrumentTrack* lmms::Piano::m_instrumentTrack

private

m_midiEvProc

MidiEventProcessor* lmms::Piano::m_midiEvProc

private

m_pressedKeys

std::array<bool, NumKeys> lmms::Piano::m_pressedKeys = {}

private

NumBlackKeys

const unsigned int lmms::Piano::NumBlackKeys = 53

static

NumWhiteKeys

const unsigned int lmms::Piano::NumWhiteKeys = 75

static

WhiteKeysPerOctave

const unsigned int lmms::Piano::WhiteKeysPerOctave = 7

static

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The documentation for this class was generated from the following files:

• include/Piano.h
• src/core/Piano.cpp