added filter feature allowing quick file access

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1771 0778d3d1-df1d-0410-868b-ea421aaaa00d

include/file_browser.h

@@ -34,8 +34,7 @@
 #include "side_bar_widget.h"
 
 
-class QColorGroup;
-class QPixmap;
+class QLineEdit;
 
 class fileItem;
 class instrumentTrack;
@@ -56,16 +55,20 @@ public:
 
 
 public slots:
+	void filterItems( const QString & _filter );
 	void reloadTree( void );
 
 
 private:
+	bool filterItems( QTreeWidgetItem * _item, const QString & _filter );
 	virtual void keyPressEvent( QKeyEvent * _ke );
 
 	void addItems( const QString & _path );
 
 	listView * m_l;
 
+	QLineEdit * m_filterEdit;
+
 	QString m_directories;
 	QString m_filter;