MidiFileComponent Class Reference

Displays the contents of a MidiFilePlayer as a piano roll view. More...

#include <gin_midifilecomponent.h>

Inherits juce::Component, juce::Timer, and juce::FileDragAndDropTarget.

Public Types
enum	ColourIds {   backgroundColourId = 0x1292e10 , noteColourId = 0x1292e11 , playheadColourId = 0x1292e12 , outlineColourId = 0x1292e13 ,   dropHighlightColourId = 0x1292e14 }

Public Member Functions
	MidiFileComponent (MidiFilePlayer &player)
	~MidiFileComponent () override
void	paint (juce::Graphics &g) override
void	timerCallback () override
bool	isInterestedInFileDrag (const juce::StringArray &files) override
void	fileDragEnter (const juce::StringArray &files, int x, int y) override
void	fileDragExit (const juce::StringArray &files) override
void	filesDropped (const juce::StringArray &files, int x, int y) override

Public Attributes
std::function< void()>	onFileDropped
	Called when a file is loaded via drag & drop.
std::function< void()>	onPlaybackStateChanged
	Called when playback state changes (started, stopped, or reached end).

Detailed Description

Displays the contents of a MidiFilePlayer as a piano roll view.

MidiFileComponent renders MIDI notes from a MidiFilePlayer as horizontal bars on a piano roll style display. It also shows a playhead indicating the current playback position.

Key Features:

• Piano roll style MIDI visualization
• Playhead display
• Automatic refresh during playback
• Customizable colors via ColourIds

Usage:

MidiFilePlayer player;
player.load(midiFile);
 
MidiFileComponent display(player);
addAndMakeVisible(display);

See also

MidiFilePlayer

Member Enumeration Documentation

ColourIds

enum MidiFileComponent::ColourIds

Enumerator
backgroundColourId
noteColourId
playheadColourId
outlineColourId
dropHighlightColourId

Constructor & Destructor Documentation

MidiFileComponent()

MidiFileComponent::MidiFileComponent

(

MidiFilePlayer &

player

)

~MidiFileComponent()

MidiFileComponent::~MidiFileComponent ( )

override

Member Function Documentation

paint()

void MidiFileComponent::paint ( juce::Graphics &  g )

override

timerCallback()

void MidiFileComponent::timerCallback ( )

override

isInterestedInFileDrag()

bool MidiFileComponent::isInterestedInFileDrag ( const juce::StringArray &  files )

override

fileDragEnter()

void MidiFileComponent::fileDragEnter ( const juce::StringArray &  files, int  x, int  y  )

override

fileDragExit()

void MidiFileComponent::fileDragExit ( const juce::StringArray &  files )

override

filesDropped()

void MidiFileComponent::filesDropped ( const juce::StringArray &  files, int  x, int  y  )

override

Member Data Documentation

onFileDropped

std::function<void()> MidiFileComponent::onFileDropped

Called when a file is loaded via drag & drop.

onPlaybackStateChanged

std::function<void()> MidiFileComponent::onPlaybackStateChanged

Called when playback state changes (started, stopped, or reached end).

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

• gin_midifilecomponent.h