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diff --git a/parts/fileview/filetreewidget.h b/parts/fileview/filetreewidget.h
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+/***************************************************************************
+ *   Copyright (C) 2001-2002 by Bernd Gehrmann                             *
+ *   bernd@kdevelop.org                                                    *
+ *   Copyright (C) 2003 by Mario Scalas (VCS Support)                      *
+ *   mario.scalas@libero.it                                                *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef _FILETREEWIDGET_H_
+#define _FILETREEWIDGET_H_
+
+#include <qguardedptr.h>
+#include <kfiletreeview.h>
+
+#include <kdevversioncontrol.h>
+
+class FileViewPart;
+class FileTreeViewWidgetImpl;
+class KDevVersionControl;
+
+/**
+* This is FileTree widget for listing files belonging to the project. It does feature:
+*   - dynamic updates reflecting the state of the project dir and subdirs
+*   - VCS support for showing VCS fields like state, working and repository revisions
+*   - bolding the filenames belonging to project to distinguish them from the others
+*   - dynamic filtering so the user has not to care about temporary files eating screen space ;-)
+*
+* Design notes
+* The class uses two different implementations (referred by m_impl data member):
+* - @see VCSFileTreeWidgetImpl for VCS support
+*   VCS support is detencted by the constructor looking for the @see KDevPlugin::versionControl() member:
+*   if the current VCS plug-in does offer a @see KDevVCSFileInfoProvider object than this will be used for
+*   querying about files' data. If neither VCS plugin nor valid info provider is found then the filetreeview
+*   will fallback to the standard implementation
+* - @see StdFileTreeWidgetImpl for standard visualization, just like the KFileTreeView
+*
+* Each implementation must provide a branch item factory which the file filetree will delegate the creation
+* of specific KFileTreeViewItem-derived objects: currently they are both defined in the same .h/.cpp files
+* of the implementations listed above.
+*
+*/
+class FileTreeWidget : public KFileTreeView
+{
+    Q_OBJECT
+public:
+    FileTreeWidget( FileViewPart *part, QWidget *parent, KDevVCSFileInfoProvider *infoProvider );
+    virtual ~FileTreeWidget();
+
+    void openDirectory(const QString &dirName);
+    bool shouldBeShown( KFileTreeViewItem* item );
+
+    QString projectDirectory();
+    bool isInProject(const QString &fileName) const;
+
+    FileViewPart *part() const { return m_part; }
+
+    //KDevVCSFileInfoProvider *vcsFileInfoProvider() const;
+    void applyHidePatterns( const QString &hidePatterns );
+    QString hidePatterns() const;
+
+    bool showNonProjectFiles() const;
+
+public slots:
+    void hideOrShow();
+
+
+private slots:
+    void slotItemExecuted(QListViewItem *item);
+    void slotContextMenu(KListView *, QListViewItem *item, const QPoint &p);
+
+    void changeActiveDirectory( const QString&, const QString& );
+    void finishPopulate(KFileTreeViewItem* item);
+
+    void addProjectFiles( QStringList const & fileList, bool constructing = false );
+    void removeProjectFiles( QStringList const & fileList );
+    //! We must guard against unloading the used VCS plug-in when using it: we
+    //! fall back to the implementation (a file view without VCS fields, only filenames)
+    void slotImplementationInvalidated();
+
+private:
+    bool matchesHidePattern(const QString &fileName);
+    KDevVersionControl *versionControl() const;
+
+    QStringList m_hidePatterns;
+    /**
+     * @brief Set of all the files in this project.
+     *
+     * In addition to all the project files,
+     * we also keep a list of all directories containing any project files -
+     * effectively holding the whole project tree.
+     *
+     * @bug
+     * Well, it is not just a plain set,
+     * but rather a map with next-to-useless element value,
+     * keyed by names of files.
+     * QT3 does not seem to have a set datatype,
+     * thus we use the QMap type instead.
+     */
+    QMap<QString, bool> m_projectFiles;
+
+    FileViewPart *m_part;
+    KFileTreeBranch *m_rootBranch;
+    QGuardedPtr<FileTreeViewWidgetImpl> m_impl;
+};
+
+#endif