PianoScene::PianoScene ( const int baseOctave,
const int numOctaves,
const QColor& keyPressedColor,
QObject * parent )
: QGraphicsScene( QRectF(0, 0, KEYWIDTH * numOctaves * 7, KEYHEIGHT), parent ),
m_baseOctave( baseOctave ),
m_numOctaves( numOctaves ),
m_minNote( 0 ),
m_maxNote( 127 ),
m_transpose( 0 ),
m_showLabels( false ),
m_useFlats( false ),
m_rawkbd( false ),
m_keyPressedColor( keyPressedColor ),
m_mousePressed( false ),
m_velocity( 100 ),
m_handler( 0 )
{
QBrush hilightBrush(m_keyPressedColor.isValid() ? m_keyPressedColor : QApplication::palette().highlight());
QFont lblFont(QApplication::font());
int i, numkeys = m_numOctaves * 12;
lblFont.setPointSize(KEYLABELFONTSIZE);
for(i = 0; i < numkeys; ++i)
{
float x = 0;
PianoKey* key = NULL;
KeyLabel* lbl = NULL;
int octave = i / 12 * 7;
int j = i % 12;
if (j >= 5) j++;
if ((j % 2) == 0) {
x = (octave + j / 2) * KEYWIDTH;
key = new PianoKey( QRectF(x, 0, KEYWIDTH, KEYHEIGHT), false, i );
lbl = new KeyLabel(key);
lbl->setDefaultTextColor(Qt::black);
lbl->setPos(x, KEYHEIGHT);
} else {
x = (octave + j / 2) * KEYWIDTH + KEYWIDTH * 6/10 + 1;
key = new PianoKey( QRectF( x, 0, KEYWIDTH * 8/10 - 1, KEYHEIGHT * 6/10 ), true, i );
key->setZValue( 1 );
lbl = new KeyLabel(key);
lbl->setDefaultTextColor(Qt::white);
lbl->setPos(x - 3, KEYHEIGHT * 6/10 - 3);
}
if (m_keyPressedColor.isValid())
key->setPressedBrush(hilightBrush);
m_keys.insert(i, key);
addItem( key );
lbl->setFont(lblFont);
m_labels.insert(i, lbl);
}
hideOrShowKeys();
retranslate();
}
PianoScene::PianoScene ( const int baseOctave,
const int numKeys,
const int startKey,
const QColor& keyPressedColor,
QObject * parent )
: QGraphicsScene( QRectF(0, 0, sceneWidth(numKeys), KEYHEIGHT), parent ),
m_baseOctave( baseOctave ),
m_numKeys( numKeys ),
m_startKey( startKey ),
m_minNote( 0 ),
m_maxNote( 127 ),
m_transpose( 0 ),
m_showLabels( false ),
m_useFlats( false ),
m_rawkbd( false ),
m_keyboardEnabled( true ),
m_mouseEnabled( true ),
m_touchEnabled( true ),
m_keyPressedColor( keyPressedColor ),
m_mousePressed( false ),
m_velocity( 100 ),
m_channel( 0 ),
m_velocityTint( true ),
m_handler( 0 )
#if defined(PALETTE_SUPPORT)
,m_showColorScale( false )
,m_palette( 0 )
,m_scalePalette( 0 )
#endif
{
QBrush hilightBrush(m_keyPressedColor.isValid() ? m_keyPressedColor : QApplication::palette().highlight());
QFont lblFont(QApplication::font());
lblFont.setPointSize(KEYLABELFONTSIZE);
int upperLimit = m_numKeys + m_startKey;
int adj = m_startKey % 12;
if (adj >= 5) adj++;
for(int i = m_startKey; i < upperLimit; ++i)
{
float x = 0;
PianoKey* key = NULL;
KeyLabel* lbl = NULL;
int ocs = i / 12 * 7;
int j = i % 12;
if (j >= 5) j++;
if ((j % 2) == 0) {
x = (ocs + qFloor((j-adj) / 2.0)) * KEYWIDTH;
key = new PianoKey( QRectF(x, 0, KEYWIDTH, KEYHEIGHT), false, i );
lbl = new KeyLabel(key);
lbl->setDefaultTextColor(Qt::black);
lbl->setPos(x, KEYHEIGHT);
} else {
x = (ocs + qFloor((j-adj) / 2.0)) * KEYWIDTH + KEYWIDTH * 6/10 + 1;
key = new PianoKey( QRectF( x, 0, KEYWIDTH * 8/10 - 1, KEYHEIGHT * 6/10 ), true, i );
key->setZValue( 1 );
lbl = new KeyLabel(key);
lbl->setDefaultTextColor(Qt::white);
lbl->setPos(x - 3, KEYHEIGHT * 6/10 - 3);
}
//qDebug() << "i=" << i << "ocs=" << ocs << "j=" << j << "x=" << x;
key->setAcceptTouchEvents(true);
if (m_keyPressedColor.isValid())
key->setPressedBrush(hilightBrush);
m_keys.insert(i, key);
addItem( key );
lbl->setFont(lblFont);
m_labels.insert(i, lbl);
}
hideOrShowKeys();
retranslate();
}
