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- // -*- c++ -*-
- /* This file is part of the KDE libraries
- Copyright (C) 1997 Stephan Kulow <coolo@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 KFILEICONVIEW_H
- #define KFILEICONVIEW_H
-
- class KFileItem;
- class QWidget;
- class QLabel;
-
- #include <kiconview.h>
- #include <kiconloader.h>
- #include <kfileview.h>
- #include <kmimetyperesolver.h>
- #include <kfile.h>
-
- /**
- * An item for the iconview, that has a reference to its corresponding
- * KFileItem.
- */
- class KIO_EXPORT KFileIconViewItem : public KIconViewItem
- {
- public:
- KFileIconViewItem( QIconView *parent, const QString &text,
- const QPixmap &pixmap,
- KFileItem *fi )
- : KIconViewItem( parent, text, pixmap ), inf( fi ) {}
- /**
- * @since 3.1
- */
- KFileIconViewItem( QIconView *parent, KFileItem *fi )
- : KIconViewItem( parent ), inf( fi ) {}
-
- virtual ~KFileIconViewItem();
-
- /**
- * @returns the corresponding KFileItem
- */
- KFileItem *fileInfo() const {
- return inf;
- }
-
- private:
- KFileItem *inf;
-
- private:
- class KFileIconViewItemPrivate;
- KFileIconViewItemPrivate *d;
-
- };
-
- namespace KIO {
- class Job;
- }
-
- /**
- * An icon-view capable of showing KFileItem's. Used in the filedialog
- * for example. Most of the documentation is in KFileView class.
- *
- * @see KDirOperator
- * @see KCombiView
- * @see KFileDetailView
- */
- class KIO_EXPORT KFileIconView : public KIconView, public KFileView
- {
- Q_OBJECT
-
- public:
- KFileIconView(QWidget *parent, const char *name);
- virtual ~KFileIconView();
-
- virtual QWidget *widget() { return this; }
- virtual void clearView();
- virtual void setAutoUpdate( bool ) {} // ### unused. remove in KDE4
-
- virtual void updateView( bool );
- virtual void updateView(const KFileItem*);
- virtual void removeItem(const KFileItem*);
-
- virtual void listingCompleted();
-
- virtual void insertItem( KFileItem *i );
- virtual void setSelectionMode( KFile::SelectionMode sm );
-
- virtual void setSelected(const KFileItem *, bool);
- virtual bool isSelected(const KFileItem *i) const;
- virtual void clearSelection();
- virtual void selectAll();
- virtual void invertSelection();
-
- virtual void setCurrentItem( const KFileItem * );
- virtual KFileItem * currentFileItem() const;
- virtual KFileItem * firstFileItem() const;
- virtual KFileItem * nextItem( const KFileItem * ) const;
- virtual KFileItem * prevItem( const KFileItem * ) const;
-
- /**
- * Sets the size of the icons to show. Defaults to KIcon::SizeSmall.
- */
- void setIconSize( int size );
-
- /**
- * Sets the size of the previews. Defaults to KIcon::SizeLarge.
- */
- void setPreviewSize( int size );
-
- /**
- * Disables the "Maximum file size" configuration option for previews
- *
- * Set this before calling showPreviews()
- *
- * @since 3.4
- **/
- void setIgnoreMaximumSize(bool ignoreSize=true);
-
- /**
- * @returns the current size used for icons.
- */
- int iconSize() const { return myIconSize; }
-
- void ensureItemVisible( const KFileItem * );
-
- virtual void setSorting(QDir::SortSpec sort);
-
- virtual void readConfig( KConfig *, const QString& group = QString::null );
- virtual void writeConfig( KConfig *, const QString& group = QString::null);
-
- // for KMimeTypeResolver
- void mimeTypeDeterminationFinished();
- void determineIcon( KFileIconViewItem *item );
- QScrollView *scrollWidget() const { return (QScrollView*) this; }
- void setAcceptDrops(bool b)
- {
- KIconView::setAcceptDrops(b);
- viewport()->setAcceptDrops(b);
- }
-
- public slots:
- /**
- * Starts loading previews for all files shown and shows them. Switches
- * into 'large rows' mode, if that isn't the current mode yet.
- *
- * @sa setIgnoreMaximumSize
- */
- void showPreviews();
-
- void zoomIn();
-
- void zoomOut();
-
- /**
- * Reimplemented for performance reasons.
- * @since 3.1
- */
- virtual void arrangeItemsInGrid( bool updated = true );
-
- protected:
- /**
- * Reimplemented to not let QIconView eat return-key events
- */
- virtual void keyPressEvent( QKeyEvent * );
-
- /**
- * Reimplemented to remove an eventual tooltip
- */
- virtual void hideEvent( QHideEvent * );
-
- // ### workaround for Qt3 bug (see #35080)
- virtual void showEvent( QShowEvent * );
-
- virtual bool eventFilter( QObject *o, QEvent *e );
-
- // DND support
- virtual QDragObject *dragObject();
- virtual void contentsDragEnterEvent( QDragEnterEvent *e );
- virtual void contentsDragMoveEvent( QDragMoveEvent *e );
- virtual void contentsDragLeaveEvent( QDragLeaveEvent *e );
- virtual void contentsDropEvent( QDropEvent *ev );
-
- // KDE4: Make virtual
- bool acceptDrag(QDropEvent* e ) const;
-
- private slots:
- void selected( QIconViewItem *item );
- void slotActivate( QIconViewItem * );
- void highlighted( QIconViewItem *item );
- void showToolTip( QIconViewItem *item );
- void removeToolTip();
- void slotActivateMenu( QIconViewItem *, const QPoint& );
- void slotSelectionChanged();
-
- void slotSmallColumns();
- void slotLargeRows();
- void slotPreviewsToggled( bool );
-
- void slotPreviewResult( KIO::Job * );
- void gotPreview( const KFileItem *item, const QPixmap& pix );
- void slotAutoOpen();
-
- signals:
- /**
- * The user dropped something.
- * @p fileItem points to the item dropped on or can be 0 if the
- * user dropped on empty space.
- * @since 3.2
- */
- void dropped(QDropEvent *event, KFileItem *fileItem);
- /**
- * The user dropped the URLs @p urls.
- * @p url points to the item dropped on or can be empty if the
- * user dropped on empty space.
- * @since 3.2
- */
- void dropped(QDropEvent *event, const KURL::List &urls, const KURL &url);
-
- private:
- KMimeTypeResolver<KFileIconViewItem,KFileIconView> *m_resolver;
-
- QLabel *toolTip;
- int th;
- int myIconSize;
-
- virtual void insertItem(QIconViewItem *a, QIconViewItem *b) { KIconView::insertItem(a, b); }
- virtual void setSelectionMode(QIconView::SelectionMode m) { KIconView::setSelectionMode(m); }
- virtual void setSelected(QIconViewItem *i, bool a, bool b) { KIconView::setSelected(i, a, b); }
-
- bool canPreview( const KFileItem * ) const;
- void stopPreview();
-
- void updateIcons();
-
- inline KFileIconViewItem * viewItem( const KFileItem *item ) const {
- if ( item )
- return (KFileIconViewItem *) item->extraData( this );
- return 0L;
- }
-
- void initItem(KFileIconViewItem *item, const KFileItem *i,
- bool updateTextAndPixmap );
-
- protected:
- virtual void virtual_hook( int id, void* data );
- private:
- class KFileIconViewPrivate;
- KFileIconViewPrivate *d;
- };
-
- #endif // KFILESIMPLEVIEW_H
-