Refresh painting after chaning PRE Quantization

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1510 0778d3d1-df1d-0410-868b-ea421aaaa00d

include/piano_roll.h

@@ -127,6 +127,7 @@ protected slots:
 	void updatePosition( const midiTime & _t );
 
 	void zoomingChanged( void );
+	void quantizeChanged( void );
 
 
 private:

src/gui/piano_roll.cpp

@@ -388,6 +388,8 @@ pianoRoll::pianoRoll( void ) :
 	m_quantizeComboBox = new comboBox( m_toolBar );
 	m_quantizeComboBox->setModel( &m_quantizeModel );
 	m_quantizeComboBox->setFixedSize( 60, 22 );
+	connect( &m_quantizeModel, SIGNAL( dataChanged() ),
+					this, SLOT( quantizeChanged() ) );
 
 
 	// setup note-len-stuff
@@ -2669,6 +2671,14 @@ void pianoRoll::zoomingChanged( void )
 
 
 
+void pianoRoll::quantizeChanged( void )
+{
+	static int oldQuantize = -1;
+	// Could be smarter
+	update();
+}
+
+
 int pianoRoll::quantization( void ) const
 {
 	return( DefaultTicksPerTact / m_quantizeModel.currentText().right(