* Piano Keyboard class for MIDI Chord Helper
*
* @author
- * Copyright (C) 2004-2013 Akiyoshi Kamide
+ * Copyright (C) 2004-2017 Akiyoshi Kamide
* http://www.yk.rim.or.jp/~kamide/music/chordhelper/
*/
public class PianoKeyboard extends JComponent {
/**
* 最大オクターブ幅（切り上げ）
*/
- public static final int MAX_OCTAVE_WIDTH = MIDISpec.MAX_NOTE_NO / 12 + 1;
+ public static final int MAX_OCTAVE_WIDTH = MIDISpec.MAX_NOTE_NO / Note.SEMITONES_PER_OCTAVE + 1;
/**
* 濃いピンク
*/
/**
* 調号（スケール判定用）
*/
- private Key keySignature = null;
+ private Key keySignature = null;
/**
* 表示中のコード
*/
- private Chord chord = null;
+ private Chord chord = null;
/**
* コードボタンマトリクス
*/
@Override
public void noteOff(int noteNumber) {
keyOff( channel, noteNumber );
- if( chordMatrix != null ) {
- if( ! isRhythmPart() )
- chordMatrix.note(false, noteNumber);
- }
- if( midiChannelButtonSelecter != null ) {
- midiChannelButtonSelecter.repaint();
- }
+ if(chordMatrix != null && ! isRhythmPart()) chordMatrix.note(false, noteNumber);
+ if(midiChannelButtonSelecter != null) midiChannelButtonSelecter.repaint();
}
@Override
public void noteOn(int noteNumber, int velocity) {
- if( velocity <= 0 ) {
- noteOff(noteNumber); return;
- }
+ if( velocity <= 0 ) { noteOff(noteNumber); return; }
keyOn( channel, noteNumber );
if( midiChComboboxModel.getSelectedChannel() == channel ) {
if( chordDisplay != null ) {
anoGakkiPane.start(PianoKeyboard.this, pienoKey.indicator);
}
}
- if( chordMatrix != null ) {
- if( ! isRhythmPart() )
- chordMatrix.note(true, noteNumber);
- }
- if( midiChannelButtonSelecter != null ) {
- midiChannelButtonSelecter.repaint();
- }
+ if(chordMatrix != null && ! isRhythmPart()) chordMatrix.note(true, noteNumber);
+ if(midiChannelButtonSelecter != null) midiChannelButtonSelecter.repaint();
}
@Override
public void allNotesOff() {
allKeysOff( channel, -1 );
- if( chordMatrix != null )
- chordMatrix.clearIndicators();
+ if( chordMatrix != null ) chordMatrix.clearIndicators();
}
@Override
public void setPitchBend(int bend) {
}
}
private void repaintNotes() {
- if( midiChComboboxModel.getSelectedChannel() != channel
- || channelNotes[channel] == null
- )
- return;
- if( channelNotes[channel].size() > 0 || selectedKeyNoteList.size() > 0 )
- repaint();
+ if(midiChComboboxModel.getSelectedChannel() != channel) return;
+ if(channelNotes[channel] == null ) return;
+ if(channelNotes[channel].size() > 0 || selectedKeyNoteList.size() > 0) repaint();
}
}
/**
}
int getNote(int chromaticOffset) {
int n = position + chromaticOffset;
- return (outOfBounds = ( n > MIDISpec.MAX_NOTE_NO )) ? -1 : n;
+ return (outOfBounds = (n > MIDISpec.MAX_NOTE_NO)) ? -1 : n;
}
boolean paintKey(Graphics2D g2, boolean isPressed) {
if(outOfBounds) return false;
g2.fill3DRect(x, y, width, height, !isPressed);
return true;
}
- boolean paintKey(Graphics2D g2) {
- return paintKey(g2,false);
- }
+ boolean paintKey(Graphics2D g2) { return paintKey(g2,false); }
boolean paintKeyBinding(Graphics2D g2) {
if( bindedKeyChar == null ) return false;
g2.drawString( bindedKeyChar, x + width/3, indicator.y - 2 );
return true;
}
boolean paintIndicator(Graphics2D g2, boolean is_small) {
- return paintIndicator( g2, is_small, 0 );
+ return paintIndicator(g2, is_small, 0);
}
}
- private class MouseKeyListener
- implements MouseListener, MouseMotionListener, KeyListener
- {
+ private class MouseKeyListener implements MouseListener, MouseMotionListener, KeyListener {
private void pressed(int c, int n, InputEvent e) {
- keyOn(c,n);
- noteOn(n);
- firePianoKeyPressed(n,e);
+ keyOn(c,n); noteOn(n); firePianoKeyPressed(n,e);
}
private void released(int c, int n, InputEvent e) {
- keyOff(c,n);
- noteOff(n);
- firePianoKeyReleased(n,e);
+ keyOff(c,n); noteOff(n); firePianoKeyReleased(n,e);
}
@Override
public void mousePressed(MouseEvent e) {
public void mouseReleased(MouseEvent e) {
int c = midiChComboboxModel.getSelectedChannel();
NoteList nl = channelNotes[c];
- if( ! nl.isEmpty() )
- released(c, nl.poll(), e);
+ if( ! nl.isEmpty() ) released(c, nl.poll(), e);
}
@Override
- public void mouseEntered(MouseEvent e) {
- }
+ public void mouseEntered(MouseEvent e) { }
@Override
- public void mouseExited(MouseEvent e) {
- }
+ public void mouseExited(MouseEvent e) { }
@Override
public void mouseDragged(MouseEvent e) {
int n = getNote(e.getPoint());
int c = midiChComboboxModel.getSelectedChannel();
NoteList nl = channelNotes[c];
if( nl.contains(n) ) return;
- if( ! nl.isEmpty() )
- released(c, nl.poll(), e);
+ if( ! nl.isEmpty() ) released(c, nl.poll(), e);
pressed(c,n,e);
}
@Override
- public void mouseMoved(MouseEvent e) {
- }
+ public void mouseMoved(MouseEvent e) { }
@Override
- public void mouseClicked(MouseEvent e) {
- }
+ public void mouseClicked(MouseEvent e) { }
@Override
public void keyPressed(KeyEvent e) {
int kc = e.getKeyCode();
released(c,n,e);
}
@Override
- public void keyTyped(KeyEvent e) {
- }
+ public void keyTyped(KeyEvent e) { }
}
/**
addMouseMotionListener(mkl);
addKeyListener(mkl);
int octaves = getPerferredOctaves();
- octaveSizeModel = new DefaultBoundedRangeModel(
- octaves, 0, MIN_OCTAVE_WIDTH, MAX_OCTAVE_WIDTH
- ) {{
- addChangeListener(new ChangeListener() {
- public void stateChanged(ChangeEvent e) {
- fireOctaveResized(e);
- octaveSizeChanged();
- }
- });
- }};
+ octaveSizeModel = new DefaultBoundedRangeModel(octaves, 0, MIN_OCTAVE_WIDTH, MAX_OCTAVE_WIDTH) {
+ {
+ addChangeListener(new ChangeListener() {
+ public void stateChanged(ChangeEvent e) {
+ fireOctaveResized(e);
+ octaveSizeChanged();
+ }
+ });
+ }
+ };
octaveRangeModel = new DefaultBoundedRangeModel(
(MAX_OCTAVE_WIDTH - octaves) / 2, octaves, 0, MAX_OCTAVE_WIDTH
) {{
new ListDataListener() {
public void contentsChanged(ListDataEvent e) {
int c = midiChComboboxModel.getSelectedChannel();
- for( int n : channelNotes[c] )
- if( autoScroll(n) ) break;
+ for( int n : channelNotes[c] ) if( autoScroll(n) ) break;
repaint();
}
public void intervalAdded(ListDataEvent e) {}
);
}
public void paint(Graphics g) {
- if( keys == null ) return;
+ if(keys == null) return;
Graphics2D g2 = (Graphics2D) g;
Dimension d = getSize();
//
- // 鍵盤をクリア
- g2.setBackground( getBackground() );
- g2.clearRect( 0, 0, d.width, d.height );
+ // 鍵盤をクリアし、順次塗り重ねていく
+ g2.setBackground(getBackground());
+ g2.clearRect(0, 0, d.width, d.height);
//
- // 白鍵を描画
- g2.setColor( isDark ? Color.gray : Color.white );
- for( PianoKey k : whiteKeys ) k.paintKey(g2);
-
+ // 白鍵
+ g2.setColor(isDark ? Color.gray : Color.white);
+ for(PianoKey k : whiteKeys) k.paintKey(g2);
+ //
+ // 選択マーク●をつける鍵と、ノートオン状態の鍵をリストアップ
NoteList notesArray[] = {
(NoteList)selectedKeyNoteList.clone(),
(NoteList)channelNotes[midiChComboboxModel.getSelectedChannel()].clone()
};
- PianoKey key;
- //
- // ノートオン状態の白鍵を塗り重ねる
- for( int n : notesArray[1] )
- if( (key=getPianoKey(n)) != null && !(key.isBlack) )
- key.paintKey(g2,true);
- //
- // 黒鍵を描画
- g2.setColor(getForeground());
- for( PianoKey k : blackKeys ) k.paintKey(g2);
+ // ノートオン状態の白鍵
+ for(int n : notesArray[1]) {
+ PianoKey k = getPianoKey(n);
+ if( k == null || k.isBlack ) continue;
+ k.paintKey(g2,true);
+ }
+ // 黒鍵
+ g2.setColor(getForeground()); for(PianoKey k : blackKeys) k.paintKey(g2);
//
- // ノートオン状態の黒鍵を塗り重ねる
- g2.setColor( Color.gray );
- for( int n : notesArray[1] )
- if( (key=getPianoKey(n)) != null && key.isBlack )
- key.paintKey(g2,true);
- //
- // インジケータの表示
- for( NoteList nl : notesArray ) {
+ // ノートオン状態の黒鍵
+ g2.setColor(Color.gray);
+ for(int n : notesArray[1]) {
+ PianoKey k = getPianoKey(n);
+ if( k == null || ! k.isBlack ) continue;
+ k.paintKey(g2,true);
+ }
+ // インジケータ
+ for(NoteList nl : notesArray) {
if( nl == null ) continue;
- for( Integer ni : nl ) {
+ for(Integer ni : nl) {
if( ni == null ) continue;
int n = ni;
- if( (key=getPianoKey(n)) == null ) continue;
+ PianoKey k = getPianoKey(n);
+ if( k == null ) continue;
boolean isOnScale = (keySignature == null || keySignature.isOnScale(n));
int chordIndex;
if( chord != null && (chordIndex = chord.indexOf(n)) >=0 ) {
+ // コードを鳴らした直後は、その構成音に色を付ける
g2.setColor(Chord.NOTE_INDEX_COLORS[chordIndex]);
}
else {
g2.setColor(isDark && isOnScale ? Color.pink : DARK_PINK);
}
+ // ●を表示（ピッチベンドしていたら引き伸ばす）
int c = midiChComboboxModel.getSelectedChannel();
- key.paintIndicator(g2, false, pitchBendValues[c]);
+ k.paintIndicator(g2, false, pitchBendValues[c]);
if( ! isOnScale ) {
+ // スケールを外れた音は白抜き
g2.setColor(Color.white);
- key.paintIndicator(g2, true);
+ k.paintIndicator(g2, true);
}
}
}
}
}
}
- //
protected void firePianoKeyPressed(int note_no, InputEvent event) {
Object[] listeners = listenerList.getListenerList();
for (int i = listeners.length-2; i>=0; i-=2) {
int indexOctave = indexWhite / 7;
int i = (indexWhite -= indexOctave * 7) * 2 + indexOctave * 12;
if( indexWhite >= 3 ) i--;
- if( i < 0 || i > keys.length-1 )
- return null;
- if( point.y > blackKeySize.height )
- return keys[i];
+ if( i < 0 || i > keys.length-1 ) return null;
+ if( point.y > blackKeySize.height ) return keys[i];
PianoKey k;
if( i > 0 ) {
k = keys[i-1];
- if( k.isBlack && !(k.outOfBounds) && k.contains(point) )
- return k;
+ if( k.isBlack && !(k.outOfBounds) && k.contains(point) ) return k;
}
if( i < keys.length-1 ) {
k = keys[i+1];
- if( k.isBlack && !(k.outOfBounds) && k.contains(point) )
- return k;
+ if( k.isBlack && !(k.outOfBounds) && k.contains(point) ) return k;
}
return keys[i];
}
}
private void checkOutOfBounds() {
- if( keys == null ) return;
- for( PianoKey k : keys ) k.getNote(getChromaticOffset());
+ if(keys != null) for(PianoKey k : keys) k.getNote(getChromaticOffset());
}
private void keyOff(int ch, int noteNumber) {
if( noteNumber < 0 || ch < 0 || ch >= channelNotes.length ) return;
channelNotes[ch].remove((Object)noteNumber);
- if( ch == midiChComboboxModel.getSelectedChannel() )
- repaint();
+ if( ch == midiChComboboxModel.getSelectedChannel() ) repaint();
}
private void keyOn(int ch, int noteNumber) {
if( noteNumber < 0 || ch < 0 || ch >= channelNotes.length ) return;
return false;
int i = noteNumber - getChromaticOffset();
if( i < 0 ) {
- octaveRangeModel.setValue(
- octaveRangeModel.getValue() - (-i)/Note.SEMITONES_PER_OCTAVE - 1
- );
+ octaveRangeModel.setValue(octaveRangeModel.getValue() - (-i)/Note.SEMITONES_PER_OCTAVE - 1);
return true;
}
if( i >= keys.length ) {
- octaveRangeModel.setValue(
- octaveRangeModel.getValue() + (i-keys.length)/Note.SEMITONES_PER_OCTAVE + 1
- );
+ octaveRangeModel.setValue(octaveRangeModel.getValue() + (i-keys.length)/Note.SEMITONES_PER_OCTAVE + 1);
return true;
}
return false;
selectedKeyNoteList = (NoteList)(channelNotes[ch].clone());
break;
case 1:
- selectedKeyNoteList.add(
- channelNotes[ch].get(channelNotes[ch].size()-1)
- );
+ selectedKeyNoteList.add(channelNotes[ch].get(channelNotes[ch].size()-1));
break;
default: break;
}
channelNotes[ch].clear();
- if( midiChComboboxModel.getSelectedChannel() == ch )
- repaint();
+ if( midiChComboboxModel.getSelectedChannel() == ch ) repaint();
}
public void clear() {
selectedKeyNoteList.clear();
switch( channelNotes[current_channel].size() ) {
case 1: return channelNotes[current_channel].get(0);
case 0:
- if( selectedKeyNoteList.size() == 1 )
- return selectedKeyNoteList.get(0);
- return -1;
+ if( selectedKeyNoteList.size() == 1 ) return selectedKeyNoteList.get(0);
+ // no break
default:
return -1;
}
setSelectedNote(midiChComboboxModel.getSelectedChannel(), noteNumber);
}
void setSelectedNote(int ch, int note_no) {
- if( ch != midiChComboboxModel.getSelectedChannel() )
- return;
+ if( ch != midiChComboboxModel.getSelectedChannel() ) return;
selectedKeyNoteList.add(note_no);
int maxSel = (chord == null ? maxSelectable : chord.numberOfNotes());
- while( selectedKeyNoteList.size() > maxSel )
- selectedKeyNoteList.poll();
+ while(selectedKeyNoteList.size() > maxSel) selectedKeyNoteList.poll();
if( !autoScroll(note_no) ) {
// When autoScroll() returned false, stateChanged() not invoked - need repaint()
repaint();
return selectedKeyNoteList.toArray(new Integer[0]);
}
Chord getChord() { return chord; }
- public void setChord(Chord c) {
- chordDisplay.setChord(chord = c);
- }
- public void setKeySignature(Key ks) {
- keySignature = ks;
- repaint();
- }
+ public void setChord(Chord c) { chordDisplay.setChord(chord = c); }
+ public void setKeySignature(Key ks) { keySignature = ks; repaint(); }
private int maxSelectable = 1;
- public void setMaxSelectable( int maxSelectable ) {
+ public void setMaxSelectable(int maxSelectable) {
this.maxSelectable = maxSelectable;
}
int getMaxSelectable() { return maxSelectable; }
public int getOctaves() { return octaveSizeModel.getValue(); }
private int getPerferredOctaves() {
int octaves = Math.round( (float)getWidth() / WIDTH_PER_OCTAVE );
- if( octaves > MAX_OCTAVE_WIDTH ) {
- octaves = MAX_OCTAVE_WIDTH;
- }
- else if( octaves < MIN_OCTAVE_WIDTH ) {
- octaves = MIN_OCTAVE_WIDTH;
- }
+ if( octaves > MAX_OCTAVE_WIDTH ) octaves = MAX_OCTAVE_WIDTH;
+ else if( octaves < MIN_OCTAVE_WIDTH ) octaves = MIN_OCTAVE_WIDTH;
return octaves;
}
private void octaveSizeChanged() {
int octaves = octaveSizeModel.getValue();
String defaultBindedKeyChars = "zsxdcvgbhnjm,l.;/\\]";
Dimension keyboard_size = getSize();
- if( keyboard_size.width == 0 ) {
- return;
- }
+ if( keyboard_size.width == 0 ) return;
whiteKeySize = new Dimension(
(keyboard_size.width - 1) / (octaves * 7 + 1),
keyboard_size.height - 1
Point keyPoint = new Point(1,1);
PianoKey k;
int i, i12;
- boolean is_CDE = true;
+ boolean isCDE = true;
for( i = i12 = 0; i < keys.length; i++, i12++ ) {
switch(i12) {
- case 12: is_CDE = true; i12 = 0; break;
- case 5: is_CDE = false; break;
+ case 12: isCDE = true; i12 = 0; break;
+ case 5: isCDE = false; break;
default: break;
}
- keyPoint.x = whiteKeySize.width * (
- i / Note.SEMITONES_PER_OCTAVE * 7 + (i12+(is_CDE?1:2))/2
- );
+ keyPoint.x = whiteKeySize.width * ( i / Note.SEMITONES_PER_OCTAVE * 7 + (i12+(isCDE?1:2))/2 );
if( Key.C_MAJOR_OR_A_MINOR.isOnScale(i12) ) {
- k = new PianoKey( keyPoint, whiteKeySize, indicatorSize );
+ k = new PianoKey(keyPoint, whiteKeySize, indicatorSize);
k.isBlack = false;
vWhiteKeys.add(k);
- }
- else {
- keyPoint.x -= ( (is_CDE?5:12) - i12 )/2 * blackKeySize.width / (is_CDE?3:4);
- k = new PianoKey( keyPoint, blackKeySize, indicatorSize );
+ } else {
+ keyPoint.x -= ( (isCDE?5:12) - i12 )/2 * blackKeySize.width / (isCDE?3:4);
+ k = new PianoKey(keyPoint, blackKeySize, indicatorSize);
k.isBlack = true;
vBlackKeys.add(k);
}
}
whiteKeys = vWhiteKeys.toArray(new PianoKey[1]);
blackKeys = vBlackKeys.toArray(new PianoKey[1]);
- changeKeyBinding(((octaves - 1) / 2) * 12, defaultBindedKeyChars);
+ changeKeyBinding( ((octaves - 1) / 2) * 12, defaultBindedKeyChars );
checkOutOfBounds();
}
//
void setDarkMode(boolean isDark) {
this.isDark = isDark;
- setBackground( isDark ? Color.black : null );
+ setBackground(isDark ? Color.black : null);
}
}
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