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262 lines
8.2 KiB
262 lines
8.2 KiB
/* This file is part of the KDE project
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Copyright (C) 1999, 2000, 2001, 2002 David Faure <faure@kde.org>
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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 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 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 __tdefileivi_h__
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#define __tdefileivi_h__
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#include <kiconview.h>
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#include <kiconloader.h>
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#include <libkonq_export.h>
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class KFileItem;
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class KonqIconViewWidget;
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class KIVDirectoryOverlay;
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class KIVFreeSpaceOverlay;
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/**
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* KFileIVI (short form of "Konq - File - IconViewItem")
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* is, as expected, an improved TDEIconViewItem, because
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* it represents a file.
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* All the information about the file is contained in the KFileItem
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* pointer.
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*/
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class LIBKONQ_EXPORT KFileIVI : public TDEIconViewItem
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{
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public:
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/**
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* Create an icon, within a qlistview, representing a file
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* @param iconview the parent widget
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* @param fileitem the file item created by KDirLister
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* @param size the icon size
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*/
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KFileIVI( KonqIconViewWidget *iconview, KFileItem* fileitem, int size );
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virtual ~KFileIVI();
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/**
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* Handler for return (or single/double click) on ONE icon.
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* Runs the file through KRun.
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*/
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virtual void returnPressed();
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/**
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* @return the file item held by this instance
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*/
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KFileItem * item() const { return m_fileitem; }
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/**
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* @return true if dropping on this file is allowed
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* Overloads TQIconView::acceptDrop()
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*/
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virtual bool acceptDrop( const TQMimeSource *mime ) const;
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/**
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* Changes the icon for this item.
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* @param size the icon size (0 for default, otherwise size in pixels)
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* @param state the state of the icon (enum in TDEIcon)
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* @param recalc whether to update the layout of the icon view when setting the icon
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* @param redraw whether to redraw the item after setting the icon
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*/
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virtual void setIcon( int size,
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int state=TDEIcon::DefaultState,
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bool recalc=false,
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bool redraw=false);
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/**
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* Bypass @ref setIcon. This is for animated icons, you should use setIcon
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* in all other cases.
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* @param pixmap the pixmap to set - it SHOULD really have the right icon size!
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* @param recalc whether to update the layout of the icon view when setting the icon
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* @param redraw whether to redraw the item after setting the icon
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*/
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void setPixmapDirect( const TQPixmap & pixmap,
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bool recalc=false,
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bool redraw=false);
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/**
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* Notifies that all icon effects on thumbs should be invalidated,
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* e.g. because the effect settings have been changed. The thumb itself
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* is assumed to be still valid (use setThumbnailPixmap() instead
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* otherwise).
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* @param state the state of the icon (enum in TDEIcon)
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* @param redraw whether to redraw the item after setting the icon
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*/
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void invalidateThumb( int state, bool redraw = false );
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/**
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* Our current thumbnail is not longer "current".
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* Called when the file contents have changed.
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*/
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void invalidateThumbnail();
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bool isThumbnailInvalid() const;
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bool hasValidThumbnail() const { return isThumbnail() && !isThumbnailInvalid(); }
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/**
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* Return the current state of the icon
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* (TDEIcon::DefaultState, TDEIcon::ActiveState etc.)
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*/
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int state() const { return m_state; }
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/**
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* Return the theorical size of the icon
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*/
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int iconSize() const { return m_size; }
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/**
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* Set to true when this icon is 'cut'
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*/
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void setDisabled( bool disabled );
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/**
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* Set this when the thumbnail was loaded
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*/
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void setThumbnailPixmap( const TQPixmap & pixmap );
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/**
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* Set the icon to use the specified TDEIconEffect
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* See the docs for TDEIconEffect for details.
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*/
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void setEffect( /*int group,*/ int state );
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/**
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* @return true if this item is a thumbnail
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*/
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bool isThumbnail() const { return m_bThumbnail; }
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/**
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* Sets an icon to be shown over the bottom left corner of the icon.
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* Currently used for directory overlays.
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* setOverlay(TQString::null) to remove icon.
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*/
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void setOverlay( const TQString & iconName);
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/**
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* Sets a progress bar to be shown on the right side of the icon.
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* Currently used for disk space overlays.
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* setOverlayProgressBar(-1) to remove progress bar.
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*/
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void setOverlayProgressBar( const int progress);
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/**
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* Redetermines the icon (useful if KFileItem might return another icon).
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* Does nothing with thumbnails
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*/
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virtual void refreshIcon( bool redraw );
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virtual void setKey( const TQString &key );
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/**
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* Paints this item. Takes care of using the normal or alpha
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* blending methods depending on the configuration.
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*/
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virtual void paintItem( TQPainter *p, const TQColorGroup &cg );
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virtual bool move( int x, int y );
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/**
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* Enable an animation on mouseover, if there is an available mng.
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* @param movieFileName the base name for the mng, e.g. "folder".
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* Nothing happens if there is no animation available.
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*/
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void setMouseOverAnimation( const TQString& movieFileName );
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TQString mouseOverAnimation() const;
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/**
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* Return true if the icon _might_ have an animation available.
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* This doesn't mean the .mng exists (only determined when hovering on the
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* icon - and if it doesn't exist setMouseOverAnimation(TQString::null) is called),
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* and it doesn't mean that it's currently running either.
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*/
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bool hasAnimation() const;
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/** Return true if we are currently animating this icon */
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bool isAnimated() const;
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void setAnimated( bool );
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/** Called when the mouse is over the icon */
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void setActive( bool active );
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/**
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* Sets showing of directory overlays. Does nothing if this does
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* not represent a folder.
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*/
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KIVDirectoryOverlay* setShowDirectoryOverlay( bool );
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bool showDirectoryOverlay( );
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/**
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* Sets showing of free space overlays. Does nothing if this does
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* not represent a media device.
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*/
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KIVFreeSpaceOverlay* setShowFreeSpaceOverlay( bool );
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bool showFreeSpaceOverlay( );
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virtual int compare( TQIconViewItem *i ) const;
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void mimeTypeAndIconDetermined();
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protected:
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virtual void dropped( TQDropEvent *e, const TQValueList<TQIconDragItem> & );
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/**
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* Contains the logic and code for painting the overlay pixmap.
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*/
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void paintOverlay( TQPainter *p ) const;
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/**
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* Contains the logic and code for painting the overlay progress bar.
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*/
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void paintOverlayProgressBar( TQPainter *p ) const;
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/**
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* Updates the colorgroup.
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*/
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TQColorGroup updateColors(const TQColorGroup &c) const;
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/**
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* Contains the logic and code for painting links.
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*/
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void paintFontUpdate( TQPainter *p ) const;
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private:
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/** You are not supposed to call this on a KFileIVI, from the outside,
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* it bypasses the icons cache */
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virtual void setPixmap ( const TQPixmap & icon ) { TDEIconViewItem::setPixmap( icon ); }
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virtual void setPixmap ( const TQPixmap & icon, bool recalc, bool redraw = TRUE )
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{ TDEIconViewItem::setPixmap( icon, recalc, redraw ); }
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/** Check if a thumbnail will be generated and calc the size of the icon */
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void updatePixmapSize();
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int m_size, m_state;
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bool m_bDisabled;
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bool m_bThumbnail;
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/** Pointer to the file item in KDirLister's list */
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KFileItem* m_fileitem;
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/**
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* Private data for KFileIVI
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* Implementation in tdefileivi.cc
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*/
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struct Private;
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Private *d;
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};
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#endif
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