Replace the file selection dialog for the mountpoint with a pure folder tree view. This fixes an issue with the selection dialog which could try opening a nonexisting folder. Only allow to select drive letters on windows. Additionally, remove an old file I forgot earlier.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14233 a1c6a512-1295-4272-9138-f99709370657

rbutil/rbutilqt/browsedirtree.h

@@ -0,0 +1,46 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ *   Copyright (C) 2007 by Dominik Riebeling
+ *   $Id: installrb.cpp 13990 2007-07-25 22:26:10Z Dominik Wenger $
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef BROWSEDIRTREE_H
+#define BROWSEDIRTREE_H
+
+#include <QtGui>
+#include "ui_browsedirtreefrm.h"
+
+class BrowseDirtree : public QDialog
+{
+    Q_OBJECT
+
+    public:
+        BrowseDirtree(QWidget *parent = 0);
+        void setFilter(QDir::Filters);
+        void setDir(QDir&);
+
+    signals:
+        void itemChanged(QString);
+
+    private:
+        Ui::BrowseDirtreeFrm ui;
+        QDirModel model;
+        
+    private slots:
+        void accept(void);
+};
+
+#endif