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274 lines
8.7 KiB
274 lines
8.7 KiB
/* This file is part of the KDE project
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Copyright (C) 2000 David Faure <faure@kde.org>
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2000 Carsten Pfeiffer <pfeiffer@kde.org>
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2002 Klaas Freitag <freitag@suse.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2 as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef tdefile_tree_view_h
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#define tdefile_tree_view_h
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#include <tqmap.h>
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#include <tqpoint.h>
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#include <tqpixmap.h>
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#include <tqstrlist.h>
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#include <tqtooltip.h>
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#include <tdelistview.h>
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#include <kdirnotify.h>
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#include <tdeio/job.h>
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#include <tdefiletreeviewitem.h>
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#include <tdefiletreebranch.h>
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class TQTimer;
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class TDEIO_EXPORT KFileTreeViewToolTip : public TQToolTip
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{
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public:
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KFileTreeViewToolTip( TQListView *view ) : TQToolTip( view ), m_view( view ) {}
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protected:
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virtual void maybeTip( const TQPoint & );
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private:
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TQListView *m_view;
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};
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/**
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* The filetreeview offers a treeview on the file system which behaves like
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* a QTreeView showing files and/or directories in the file system.
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*
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* KFileTreeView is able to handle more than one URL, represented by
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* KFileTreeBranch.
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*
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* Typical usage:
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* 1. create a KFileTreeView fitting in your layout and add columns to it
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* 2. call addBranch to create one or more branches
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* 3. retrieve the root item with KFileTreeBranch::root() and set it open
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* if desired. That starts the listing.
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*/
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class TDEIO_EXPORT KFileTreeView : public TDEListView
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{
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Q_OBJECT
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public:
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KFileTreeView( TQWidget *parent, const char *name = 0 );
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virtual ~KFileTreeView();
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/**
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* @return the current (i.e. selected) item
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*/
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KFileTreeViewItem * currentKFileTreeViewItem() const;
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/**
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* @return the URL of the current selected item.
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*/
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KURL currentURL() const;
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/**
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* Adds a branch to the treeview item.
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*
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* This high-level function creates the branch, adds it to the treeview and
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* connects some signals. Note that directory listing does not start until
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* a branch is expanded either by opening the root item by user or by setOpen
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* on the root item.
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*
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* @returns a pointer to the new branch or zero
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* @param path is the base url of the branch
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* @param name is the name of the branch, which will be the text for column 0
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* @param showHidden says if hidden files and directories should be visible
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*/
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KFileTreeBranch* addBranch( const KURL &path, const TQString& name, bool showHidden = false );
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/**
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* same as the function above but with a pixmap to set for the branch.
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*/
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virtual KFileTreeBranch* addBranch( const KURL &path, const TQString& name ,
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const TQPixmap& pix, bool showHidden = false );
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/**
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* same as the function above but letting the user create the branch.
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*/
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virtual KFileTreeBranch* addBranch( KFileTreeBranch * );
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/**
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* removes the branch from the treeview.
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* @param branch is a pointer to the branch
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* @returns true on success.
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*/
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virtual bool removeBranch( KFileTreeBranch *branch );
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/**
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* @returns a pointer to the KFileTreeBranch in the KFileTreeView or zero on failure.
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* @param searchName is the name of a branch
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*/
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KFileTreeBranch *branch( const TQString& searchName );
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/**
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* @returns a list of pointers to all existing branches in the treeview.
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**/
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KFileTreeBranchList& branches();
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/**
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* set the directory mode for branches. If true is passed, only directories will be loaded.
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* @param branch is a pointer to a KFileTreeBranch
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*/
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virtual void setDirOnlyMode( KFileTreeBranch *branch, bool );
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/**
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* searches a branch for a KFileTreeViewItem identified by the relative url given as
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* second parameter. The method adds the branches base url to the relative path and finds
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* the item.
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* @returns a pointer to the item or zero if the item does not exist.
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* @param brnch is a pointer to the branch to search in
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* @param relUrl is the branch relativ url
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*/
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KFileTreeViewItem *findItem( KFileTreeBranch* brnch, const TQString& relUrl );
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/**
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* see method above, differs only in the first parameter. Finds the branch by its name.
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*/
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KFileTreeViewItem *findItem( const TQString& branchName, const TQString& relUrl );
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/**
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* @returns a flag indicating if extended folder pixmaps are displayed or not.
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*/
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bool showFolderOpenPixmap() const { return m_wantOpenFolderPixmaps; };
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public slots:
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/**
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* set the flag to show 'extended' folder icons on or off. If switched on, folders will
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* have an open folder pixmap displayed if their children are visible, and the standard
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* closed folder pixmap (from mimetype folder) if they are closed.
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* If switched off, the plain mime pixmap is displayed.
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* @param showIt = false displays mime type pixmap only
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*/
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virtual void setShowFolderOpenPixmap( bool showIt = true )
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{ m_wantOpenFolderPixmaps = showIt; }
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protected:
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/**
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* @returns true if we can decode the drag and support the action
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*/
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virtual bool acceptDrag(TQDropEvent* event) const;
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virtual TQDragObject * dragObject();
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virtual void startAnimation( KFileTreeViewItem* item, const char * iconBaseName = "kde", uint iconCount = 6 );
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virtual void stopAnimation( KFileTreeViewItem* item );
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virtual void contentsDragEnterEvent( TQDragEnterEvent *e );
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virtual void contentsDragMoveEvent( TQDragMoveEvent *e );
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virtual void contentsDragLeaveEvent( TQDragLeaveEvent *e );
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virtual void contentsDropEvent( TQDropEvent *ev );
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protected slots:
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virtual void slotNewTreeViewItems( KFileTreeBranch*,
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const KFileTreeViewItemList& );
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virtual void slotSetNextUrlToSelect( const KURL &url )
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{ m_nextUrlToSelect = url; }
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virtual TQPixmap itemIcon( KFileTreeViewItem*, int gap = 0 ) const;
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private slots:
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void slotExecuted( TQListViewItem * );
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void slotExpanded( TQListViewItem * );
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void slotCollapsed( TQListViewItem *item );
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void slotSelectionChanged();
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void slotAnimation();
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void slotAutoOpenFolder();
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void slotOnItem( TQListViewItem * );
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void slotItemRenamed(TQListViewItem*, const TQString &, int);
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void slotPopulateFinished( KFileTreeViewItem* );
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signals:
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void onItem( const TQString& );
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/* New signals if you like it ? */
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void dropped( TQWidget*, TQDropEvent* );
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void dropped( TQWidget*, TQDropEvent*, KURL::List& );
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void dropped( KURL::List&, KURL& );
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// The drop event allows to differentiate between move and copy
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void dropped( TQWidget*, TQDropEvent*, KURL::List&, KURL& );
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void dropped( TQDropEvent *e, TQListViewItem * after);
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void dropped(KFileTreeView *, TQDropEvent *, TQListViewItem *);
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void dropped(TQDropEvent *e, TQListViewItem * parent, TQListViewItem * after);
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void dropped(KFileTreeView *, TQDropEvent *, TQListViewItem *, TQListViewItem *);
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protected:
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KURL m_nextUrlToSelect;
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private:
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// Returns whether item is still a valid item in the tree
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bool isValidItem( TQListViewItem *item);
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void clearTree();
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/* List that holds the branches */
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KFileTreeBranchList m_branches;
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struct AnimationInfo
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{
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AnimationInfo( const char * _iconBaseName, uint _iconCount, const TQPixmap & _originalPixmap )
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: iconBaseName(_iconBaseName), iconCount(_iconCount), iconNumber(1), originalPixmap(_originalPixmap) {}
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AnimationInfo() : iconCount(0) {}
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TQCString iconBaseName;
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uint iconCount;
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uint iconNumber;
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TQPixmap originalPixmap;
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};
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typedef TQMap<KFileTreeViewItem *, AnimationInfo> MapCurrentOpeningFolders;
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MapCurrentOpeningFolders m_mapCurrentOpeningFolders;
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TQTimer *m_animationTimer;
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TQPoint m_dragPos;
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bool m_bDrag;
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bool m_wantOpenFolderPixmaps; // Flag weather the folder should have open-folder pixmaps
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TQListViewItem *m_currentBeforeDropItem; // The item that was current before the drag-enter event happened
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TQListViewItem *m_dropItem; // The item we are moving the mouse over (during a drag)
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TQStrList m_lstDropFormats;
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TQPixmap m_openFolderPixmap;
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TQTimer *m_autoOpenTimer;
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KFileTreeViewToolTip m_toolTip;
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protected:
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virtual void virtual_hook( int id, void* data );
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private:
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class KFileTreeViewPrivate;
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KFileTreeViewPrivate *d;
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};
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#endif
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