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352 lines
10 KiB
352 lines
10 KiB
/* This file is part of the KDE projects
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Copyright (C) 2000 David Faure <faure@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This program 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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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. 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 __konqdirpart_h
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#define __konqdirpart_h
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#include <tqstring.h>
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#include <kparts/part.h>
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#include <kparts/browserextension.h>
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#include <kfileitem.h>
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#include <kdatastream.h>
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#include <kio/global.h>
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#include <libkonq_export.h>
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class KDirLister;
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namespace KParts { class BrowserExtension; }
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class KonqPropsView;
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class TQScrollView;
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class KAction;
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class KToggleAction;
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class KonqDirPartBrowserExtension;
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class LIBKONQ_EXPORT KonqDirPart: public KParts::ReadOnlyPart
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{
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Q_OBJECT
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friend class KonqDirPartBrowserExtension;
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public:
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KonqDirPart( TQObject *parent, const char *name );
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virtual ~KonqDirPart();
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/**
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* The derived part should call this in its constructor
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*/
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void setBrowserExtension( KonqDirPartBrowserExtension * extension )
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{ m_extension = extension; }
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KonqDirPartBrowserExtension * extension()
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{ return m_extension; }
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/**
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* The derived part should call this in its constructor
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*/
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void setDirLister( KDirLister* lister );
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// TODO KDE4 create the KDirLister here and simplify the parts?
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TQScrollView * scrollWidget();
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virtual void saveState( TQDataStream &stream );
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virtual void restoreState( TQDataStream &stream );
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/** Called when LMB'ing an item in a directory view.
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* @param fileItem must be set
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* @param widget is only set as parent pointer for dialog boxes */
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void lmbClicked( KFileItem * fileItem );
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/** Called when MMB'ing an item in a directory view.
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* @param fileItem if 0 it means we MMB'ed the background. */
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void mmbClicked( KFileItem * fileItem );
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void setNameFilter( const TQString & nameFilter ) { m_nameFilter = nameFilter; }
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TQString nameFilter() const { return m_nameFilter; }
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void setFilesToSelect( const TQStringList & filesToSelect ) { m_filesToSelect = filesToSelect; }
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/**
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* Sets per directory mime-type based filtering.
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*
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* This method causes only the items matching the mime-type given
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* by @p filters to be displayed. You can supply multiple mime-types
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* by separating them with a space, eg. "text/plain image/x-png".
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* To clear all the filters set for the current url simply call this
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* function with a null or empty argument.
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*
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* NOTE: the filter(s) specified here only apply to the current
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* directory as returned by @ref #url().
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*
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* @param filter mime-type(s) to filter directory by.
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*/
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void setMimeFilter (const TQStringList& filters);
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/**
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* Completely clears the internally stored list of mime filters
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* set by call to @ref #setMimeFilter.
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*/
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TQStringList mimeFilter() const;
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KonqPropsView * props() const { return m_pProps; }
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/**
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* "Cut" icons : disable those whose URL is in lst, enable the others
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*/
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virtual void disableIcons( const KURL::List & lst ) = 0;
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/**
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* This class takes care of the counting of items, size etc. in the
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* current directory. Call this in slotClear.
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*/
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void resetCount();
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/**
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* Update the counts for those new items
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*/
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void newItems( const KFileItemList & entries );
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/**
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* Update the counts with this item being deleted
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*/
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void deleteItem( KFileItem * fileItem );
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/**
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* Show the counts for the directory in the status bar
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*/
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void emitTotalCount();
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// ##### TODO KDE 4: remove!
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/**
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* Show the counts for the list of items in the status bar.
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* If none are provided emitTotalCount() is called to display
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* the counts for the whole directory. However, that does not work
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* for a treeview.
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*
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* @deprecated
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*/
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void emitCounts( const KFileItemList & lst, bool selectionChanged );
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/**
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* Show the counts for the list of items in the status bar. The list
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* can be empty.
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*
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* @param lst the list of fileitems for which to display the counts
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* @since 3.4
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*/
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void emitCounts( const KFileItemList & lst );
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void emitMouseOver( const KFileItem * item );
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/**
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* Enables or disables the paste action. This depends both on
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* the data in the clipboard and the number of files selected
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* (pasting is only possible if not more than one file is selected).
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*/
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void updatePasteAction();
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/**
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* Change the icon size of the view.
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* The view should call it initially.
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* The view should also reimplement it, to update the icons.
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*/
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virtual void newIconSize( int size );
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/**
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* This is called by the actions that change the icon size.
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* It stores the new size and calls newIconSize.
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*/
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void setIconSize( int size );
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/**
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* This is called by konqueror itself, when the "find" functionality is activated
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*/
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void setFindPart( KParts::ReadOnlyPart * part );
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KParts::ReadOnlyPart * findPart() const { return m_findPart; }
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virtual const KFileItem * currentItem() = 0; // { return 0L; }
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virtual KFileItemList selectedFileItems() { return KFileItemList(); }
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/**
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* Re-implemented for internal reasons. API is unaffected. All inheriting
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* classes should re-implement @ref doCloseURL() instead instead of this one.
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*/
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bool closeURL ();
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signals:
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/**
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* Emitted whenever the current URL is about to be changed.
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*/
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void aboutToOpenURL();
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/**
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* We emit this if we want a find part to be created for us.
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* This happens when restoring from history
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*/
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void findOpen( KonqDirPart * );
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/**
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* We emit this _after_ a find part has been created for us.
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* This also happens initially.
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*/
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void findOpened( KonqDirPart * );
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/**
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* We emit this to ask konq to close the find part
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*/
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void findClosed( KonqDirPart * );
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/**
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* Emitted as the part is updated with new items.
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* Useful for informing plugins of changes in view.
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*/
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void itemsAdded( const KFileItemList& );
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/**
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* Emitted as the part is updated with these items.
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* Useful for informing plugins of changes in view.
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*/
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void itemRemoved( const KFileItem* );
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/**
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* Emitted with the list of filtered-out items whenever
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* a mime-based filter(s) is set.
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*/
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void itemsFilteredByMime( const KFileItemList& );
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public slots:
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/**
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* Re-implemented for internal reasons. API is unaffected. All inheriting
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* classes should re-implement @ref doOpenURL() instead instead of this one.
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*/
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bool openURL (const KURL&);
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/**
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* This is called either by the part's close button, or by the
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* dir part itself, if entering a directory. It deletes the find
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* part.
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*/
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void slotFindClosed();
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/**
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* Start the animated "K" during kfindpart's file search
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*/
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void slotStartAnimationSearching();
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/**
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* Start the animated "K" during kfindpart's file search
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*/
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void slotStopAnimationSearching();
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void slotBackgroundSettings();
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/**
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* Called when the clipboard's data changes, to update the 'cut' icons
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* Call this when the directory's listing is finished, to draw icons as cut.
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*/
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void slotClipboardDataChanged();
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void slotIncIconSize();
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void slotDecIconSize();
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void slotIconSizeToggled( bool );
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// slots connected to the directory lister - or to the kfind interface
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virtual void slotStarted() = 0;
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virtual void slotCanceled() = 0;
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virtual void slotCompleted() = 0;
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virtual void slotNewItems( const KFileItemList& ) = 0;
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virtual void slotDeleteItem( KFileItem * ) = 0;
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virtual void slotRefreshItems( const KFileItemList& ) = 0;
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virtual void slotClear() = 0;
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virtual void slotRedirection( const KURL & ) = 0;
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private slots:
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void slotIconChanged(int group);
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protected:
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/**
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* Invoked from openURL to enable childern classes to
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* handle open URL requests.
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*/
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virtual bool doOpenURL( const KURL& ) = 0;
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virtual bool doCloseURL () = 0;
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protected:
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TQString m_nameFilter;
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TQStringList m_filesToSelect;
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KonqPropsView * m_pProps;
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KAction *m_paIncIconSize;
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KAction *m_paDecIconSize;
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KToggleAction *m_paDefaultIcons;
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KToggleAction *m_paHugeIcons;
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KToggleAction *m_paLargeIcons;
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KToggleAction *m_paMediumIcons;
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KToggleAction *m_paSmallIcons;
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KParts::ReadOnlyPart * m_findPart;
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KonqDirPartBrowserExtension * m_extension;
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// Remove all those in KDE4
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int m_iIconSize[5];
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KIO::filesize_t m_lDirSize;
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uint m_lFileCount;
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uint m_lDirCount;
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private:
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void saveFindState( TQDataStream& );
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void restoreFindState( TQDataStream& );
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void adjustIconSizes();
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class KonqDirPartPrivate;
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KonqDirPartPrivate* d;
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};
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class LIBKONQ_EXPORT KonqDirPartBrowserExtension : public KParts::BrowserExtension
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{
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public:
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KonqDirPartBrowserExtension( KonqDirPart* dirPart )
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: KParts::BrowserExtension( dirPart )
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, m_dirPart( dirPart )
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{}
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/**
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* This calls saveState in KonqDirPart, and also takes care of the "find part".
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*
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* If your KonqDirPart-derived class needs to save and restore state,
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* you should probably override KonqDirPart::saveState
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* and KonqDirPart::restoreState, not the following methods.
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*/
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virtual void saveState( TQDataStream &stream );
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virtual void restoreState( TQDataStream &stream );
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private:
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KonqDirPart* m_dirPart;
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};
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#endif
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