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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
+
+#include <tqt.h>
+
+#include <kiconview.h>
+#include <kiconloader.h>
+#include <tdefileview.h>
+#include <kmimetyperesolver.h>
+#include <tdefile.h>
+
+class KFileItem;
+class TQWidget;
+class TQLabel;
+
+/**
+ * An item for the iconview, that has a reference to its corresponding
+ * KFileItem.
+ */
+class TDEIO_EXPORT KFileIconViewItem : public KIconViewItem
+{
+public:
+ KFileIconViewItem( TQIconView *parent, const TQString &text,
+ const TQPixmap &pixmap,
+ KFileItem *fi )
+ : KIconViewItem( parent, text, pixmap ), inf( fi ) {}
+ /**
+ * @since 3.1
+ */
+ KFileIconViewItem( TQIconView *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 TDEIO {
+ 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 TDEIO_EXPORT KFileIconView : public KIconView, public KFileView
+{
+ Q_OBJECT
+
+public:
+ KFileIconView(TQWidget *parent, const char *name);
+ virtual ~KFileIconView();
+
+ virtual TQWidget *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(TQDir::SortSpec sort);
+
+ virtual void readConfig( TDEConfig *, const TQString& group = TQString::null );
+ virtual void writeConfig( TDEConfig *, const TQString& group = TQString::null);
+
+ // for KMimeTypeResolver
+ void mimeTypeDeterminationFinished();
+ void determineIcon( KFileIconViewItem *item );
+ TQScrollView *scrollWidget() const { return (TQScrollView*) 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 TQIconView eat return-key events
+ */
+ virtual void keyPressEvent( TQKeyEvent * );
+
+ /**
+ * Reimplemented to remove an eventual tooltip
+ */
+ virtual void hideEvent( TQHideEvent * );
+
+ // ### workaround for Qt3 bug (see #35080)
+ virtual void showEvent( TQShowEvent * );
+
+ virtual bool eventFilter( TQObject *o, TQEvent *e );
+
+ // DND support
+ virtual TQDragObject *dragObject();
+ virtual void contentsDragEnterEvent( TQDragEnterEvent *e );
+ virtual void contentsDragMoveEvent( TQDragMoveEvent *e );
+ virtual void contentsDragLeaveEvent( TQDragLeaveEvent *e );
+ virtual void contentsDropEvent( TQDropEvent *ev );
+
+ // KDE4: Make virtual
+ bool acceptDrag(TQDropEvent* e ) const;
+
+private slots:
+ void selected( TQIconViewItem *item );
+ void slotActivate( TQIconViewItem * );
+ void highlighted( TQIconViewItem *item );
+ void showToolTip( TQIconViewItem *item );
+ void removeToolTip();
+ void slotActivateMenu( TQIconViewItem *, const TQPoint& );
+ void slotSelectionChanged();
+
+ void slotSmallColumns();
+ void slotLargeRows();
+ void slotPreviewsToggled( bool );
+
+ void slotPreviewResult( TDEIO::Job * );
+ void gotPreview( const KFileItem *item, const TQPixmap& 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(TQDropEvent *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(TQDropEvent *event, const KURL::List &urls, const KURL &url);
+
+private:
+ KMimeTypeResolver<KFileIconViewItem,KFileIconView> *m_resolver;
+
+ TQLabel *toolTip;
+ int th;
+ int myIconSize;
+
+ virtual void insertItem(TQIconViewItem *a, TQIconViewItem *b) { KIconView::insertItem(a, b); }
+ virtual void setSelectionMode(TQIconView::SelectionMode m) { KIconView::setSelectionMode(m); }
+ virtual void setSelected(TQIconViewItem *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