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/* This file is part of the KDE project
Copyright (C) 1999, 2000, 2001, 2002 David Faure <faure@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef __kfileivi_h__
#define __kfileivi_h__
#include <kiconview.h>
#include <kiconloader.h>
#include <libkonq_export.h>
class KFileItem;
class KonqIconViewWidget;
class KIVDirectoryOverlay;
/**
* KFileIVI (short form of "Konq - File - IconViewItem")
* is, as expected, an improved KIconViewItem, because
* it represents a file.
* All the information about the file is contained in the KFileItem
* pointer.
*/
class LIBKONQ_EXPORT KFileIVI : public KIconViewItem
{
public:
/**
* Create an icon, within a qlistview, representing a file
* @param iconview the parent widget
* @param fileitem the file item created by KDirLister
* @param size the icon size
*/
KFileIVI( KonqIconViewWidget *iconview, KFileItem* fileitem, int size );
virtual ~KFileIVI();
/**
* Handler for return (or single/double click) on ONE icon.
* Runs the file through KRun.
*/
virtual void returnPressed();
/**
* @return the file item held by this instance
*/
KFileItem * item() const { return m_fileitem; }
/**
* @return true if dropping on this file is allowed
* Overloads TQIconView::acceptDrop()
*/
virtual bool acceptDrop( const TQMimeSource *mime ) const;
/**
* Changes the icon for this item.
* @param size the icon size (0 for default, otherwise size in pixels)
* @param state the state of the icon (enum in KIcon)
* @param recalc whether to update the layout of the icon view when setting the icon
* @param redraw whether to redraw the item after setting the icon
*/
virtual void setIcon( int size,
int state=KIcon::DefaultState,
bool recalc=false,
bool redraw=false);
/**
* Bypass @ref setIcon. This is for animated icons, you should use setIcon
* in all other cases.
* @param pixmap the pixmap to set - it SHOULD really have the right icon size!
* @param recalc whether to update the layout of the icon view when setting the icon
* @param redraw whether to redraw the item after setting the icon
*/
void setPixmapDirect( const TQPixmap & pixmap,
bool recalc=false,
bool redraw=false);
/**
* Notifies that all icon effects on thumbs should be invalidated,
* e.g. because the effect settings have been changed. The thumb itself
* is assumed to be still valid (use setThumbnailPixmap() instead
* otherwise).
* @param state the state of the icon (enum in KIcon)
* @param redraw whether to redraw the item after setting the icon
*/
void invalidateThumb( int state, bool redraw = false );
/**
* Our current thumbnail is not longer "current".
* Called when the file contents have changed.
*/
void invalidateThumbnail();
bool isThumbnailInvalid() const;
bool hasValidThumbnail() const { return isThumbnail() && !isThumbnailInvalid(); }
/**
* Return the current state of the icon
* (KIcon::DefaultState, KIcon::ActiveState etc.)
*/
int state() const { return m_state; }
/**
* Return the theorical size of the icon
*/
int iconSize() const { return m_size; }
/**
* Set to true when this icon is 'cut'
*/
void setDisabled( bool disabled );
/**
* Set this when the thumbnail was loaded
*/
void setThumbnailPixmap( const TQPixmap & pixmap );
/**
* Set the icon to use the specified KIconEffect
* See the docs for KIconEffect for details.
*/
void setEffect( /*int group,*/ int state );
/**
* @return true if this item is a thumbnail
*/
bool isThumbnail() const { return m_bThumbnail; }
/**
* Sets an icon to be shown over the bottom left corner of the icon.
* Currently used for directory overlays.
* setOverlay(TQString::null) to remove icon.
*/
void setOverlay( const TQString & iconName);
/**
* Redetermines the icon (useful if KFileItem might return another icon).
* Does nothing with thumbnails
*/
virtual void refreshIcon( bool redraw );
virtual void setKey( const TQString &key );
/**
* Paints this item. Takes care of using the normal or alpha
* blending methods depending on the configuration.
*/
virtual void paintItem( TQPainter *p, const TQColorGroup &cg );
virtual bool move( int x, int y );
/**
* Enable an animation on mouseover, if there is an available mng.
* @param movieFileName the base name for the mng, e.g. "folder".
* Nothing happens if there is no animation available.
*/
void setMouseOverAnimation( const TQString& movieFileName );
TQString mouseOverAnimation() const;
/**
* Return true if the icon _might_ have an animation available.
* This doesn't mean the .mng exists (only determined when hovering on the
* icon - and if it doesn't exist setMouseOverAnimation(TQString::null) is called),
* and it doesn't mean that it's currently running either.
*/
bool hasAnimation() const;
/** Return true if we are currently animating this icon */
bool isAnimated() const;
void setAnimated( bool );
/** Called when the mouse is over the icon */
void setActive( bool active );
/**
* Sets showing of directory overlays. Does nothing if this does
* not represent a folder.
*/
KIVDirectoryOverlay* setShowDirectoryOverlay( bool );
bool showDirectoryOverlay( );
virtual int compare( TQIconViewItem *i ) const;
protected:
virtual void dropped( TQDropEvent *e, const TQValueList<TQIconDragItem> & );
/**
* Contains the logic and code for painting the overlay pixmap.
*/
void paintOverlay( TQPainter *p ) const;
/**
* Updates the colorgroup.
*/
TQColorGroup updateColors(const TQColorGroup &c) const;
/**
* Contains the logic and code for painting links.
*/
void paintFontUpdate( TQPainter *p ) const;
private:
/** You are not supposed to call this on a KFileIVI, from the outside,
* it bypasses the icons cache */
virtual void setPixmap ( const TQPixmap & icon ) { KIconViewItem::setPixmap( icon ); }
virtual void setPixmap ( const TQPixmap & icon, bool recalc, bool redraw = TRUE )
{ KIconViewItem::setPixmap( icon, recalc, redraw ); }
/** Check if a thumbnail will be generated and calc the size of the icon */
void updatePixmapSize();
int m_size, m_state;
bool m_bDisabled;
bool m_bThumbnail;
/** Pointer to the file item in KDirLister's list */
KFileItem* m_fileitem;
/**
* Private data for KFileIVI
* Implementation in kfileivi.cc
*/
struct Private;
Private *d;
};
#endif
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