Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 265 insertions, 0 deletions

diff --git a/kio/kfile/kfileiconview.h b/kio/kfile/kfileiconview.h
new file mode 100644
index 000000000..63a841a8e
--- /dev/null
+++ b/kio/kfile/kfileiconview.h
@@ -0,0 +1,265 @@
+// -*- 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