Improve automationEditor mouse-drawing

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1209 0778d3d1-df1d-0410-868b-ea421aaaa00d

include/automation_editor.h

@@ -98,6 +98,7 @@ protected:
 	void selectAll( void );
 	void getSelectedValues( timeMap & _selected_values );
 
+	void drawLine( int x0, float y0, int x1, float y1 );
 
 protected slots:
 	void play( void );
@@ -212,6 +213,9 @@ private:
 	tick m_moveStartTick;
 	int m_moveXOffset;
 
+	float m_drawLastLevel;
+	tick m_drawLastTick;
+
 	int m_ppt;
 	int m_y_delta;
 	bool m_y_auto;