/****************************************************************************** $Id: qt/src/widgets/qscrollview.h   2.3.12   edited 2005-10-27 $**** Definition of QScrollView class**** Created : 970523**** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.**** This file is part of the widgets module of the Qt GUI Toolkit.**** This file may be distributed under the terms of the Q Public License** as defined by Trolltech AS of Norway and appearing in the file** LICENSE.QPL included in the packaging of this file.**** This file may be distributed and/or modified under the terms of the** GNU General Public License version 2 as published by the Free Software** Foundation and appearing in the file LICENSE.GPL included in the** packaging of this file.**** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition** licenses may use this file in accordance with the Qt Commercial License** Agreement provided with the Software.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.**** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for**   information about Qt Commercial License Agreements.** See http://www.trolltech.com/qpl/ for QPL licensing information.** See http://www.trolltech.com/gpl/ for GPL licensing information.**** Contact info@trolltech.com if any conditions of this licensing are** not clear to you.************************************************************************/#ifndef QSCROLLVIEW_H#define QSCROLLVIEW_H#ifndef QT_H#include "qframe.h"#include "qscrollbar.h"#endif // QT_H#ifndef QT_NO_SCROLLVIEWstruct QScrollViewData;class Q_EXPORT QScrollView : public QFrame{    Q_OBJECT    Q_ENUMS( ResizePolicy ScrollBarMode )    Q_PROPERTY( ResizePolicy resizePolicy READ resizePolicy WRITE setResizePolicy )    Q_PROPERTY( ScrollBarMode vScrollBarMode READ vScrollBarMode WRITE setVScrollBarMode )    Q_PROPERTY( ScrollBarMode hScrollBarMode READ hScrollBarMode WRITE setHScrollBarMode )    Q_PROPERTY( int visibleWidth READ visibleWidth )    Q_PROPERTY( int visibleHeight READ visibleHeight )    Q_PROPERTY( int contentsWidth READ contentsWidth )    Q_PROPERTY( int contentsHeight READ contentsHeight )    Q_PROPERTY( int contentsX READ contentsX )    Q_PROPERTY( int contentsY READ contentsY )#ifndef QT_NO_DRAGANDDROP    Q_PROPERTY( bool dragAutoScroll READ dragAutoScroll WRITE setDragAutoScroll )#endifpublic:    QScrollView(QWidget *parent=0, const char *name=0, WFlags f=0);    ~QScrollView();    enum ResizePolicy { Default, Manual, AutoOne, AutoOneFit  };    virtual void setResizePolicy( ResizePolicy );    ResizePolicy resizePolicy() const;    void styleChange(QStyle&);    void removeChild(QWidget* child);    virtual void addChild( QWidget* child, int x=0, int y=0 );    virtual void moveChild( QWidget* child, int x, int y );    int childX(QWidget* child);    int childY(QWidget* child);    bool childIsVisible(QWidget* child);    void showChild(QWidget* child, bool yes=TRUE);    enum ScrollBarMode { Auto, AlwaysOff, AlwaysOn };    ScrollBarMode vScrollBarMode() const;    virtual void  setVScrollBarMode( ScrollBarMode );    ScrollBarMode hScrollBarMode() const;    virtual void  setHScrollBarMode( ScrollBarMode );    QWidget*     cornerWidget() const;    virtual void setCornerWidget(QWidget*);    QScrollBar*  horizontalScrollBar() const;    QScrollBar*  verticalScrollBar() const;    QWidget*	 viewport() const;    QWidget*	 clipper() const;    int		visibleWidth() const;    int		visibleHeight() const;    int		contentsWidth() const;    int		contentsHeight() const;    int		contentsX() const;    int		contentsY() const;    void	resize( int w, int h );    void	resize( const QSize& );    void	show();    void	updateContents( int x, int y, int w, int h );    void	updateContents( const QRect& r );    void	repaintContents( int x, int y, int w, int h, bool erase=TRUE );    void	repaintContents( const QRect& r, bool erase=TRUE );//### make this const in 3.0    void	contentsToViewport(int x, int y, int& vx, int& vy);//### make this const in 3.0    void	viewportToContents(int vx, int vy, int& x, int& y);    QPoint	contentsToViewport(const QPoint&);    QPoint	viewportToContents(const QPoint&);    void	enableClipper(bool y);    void     setStaticBackground(bool y);    bool     hasStaticBackground() const;    QSize	viewportSize( int, int ) const;    QSizePolicy sizePolicy() const;    QSize	sizeHint() const;    QSize	minimumSizeHint() const;    void	removeChild(QObject* child);#ifndef QT_NO_DRAGANDDROP    void	setDragAutoScroll( bool b ); // #### virtual in 3.0    bool	dragAutoScroll() const;#endifsignals:    void	contentsMoving(int x, int y);public slots:    virtual void resizeContents( int w, int h );    void	scrollBy( int dx, int dy );    virtual void        setContentsPos( int x, int y );    void	ensureVisible(int x, int y);    void	ensureVisible(int x, int y, int xmargin, int ymargin);    void	center(int x, int y);    void	center(int x, int y, float xmargin, float ymargin);    void	updateScrollBars();    void	setEnabled( bool enable );protected:    void	resizeEvent(QResizeEvent*);    void 	wheelEvent( QWheelEvent * );    bool	eventFilter( QObject *, QEvent *e );    virtual void contentsMousePressEvent( QMouseEvent* );    virtual void contentsMouseReleaseEvent( QMouseEvent* );    virtual void contentsMouseDoubleClickEvent( QMouseEvent* );    virtual void contentsMouseMoveEvent( QMouseEvent* );#ifndef QT_NO_DRAGANDDROP    virtual void contentsDragEnterEvent( QDragEnterEvent * );    virtual void contentsDragMoveEvent( QDragMoveEvent * );    virtual void contentsDragLeaveEvent( QDragLeaveEvent * );    virtual void contentsDropEvent( QDropEvent * );#endif    virtual void contentsWheelEvent( QWheelEvent * );    virtual void viewportPaintEvent( QPaintEvent* );    virtual void viewportResizeEvent( QResizeEvent* );    virtual void viewportMousePressEvent( QMouseEvent* );    virtual void viewportMouseReleaseEvent( QMouseEvent* );    virtual void viewportMouseDoubleClickEvent( QMouseEvent* );    virtual void viewportMouseMoveEvent( QMouseEvent* );#ifndef QT_NO_DRAGANDDROP    virtual void viewportDragEnterEvent( QDragEnterEvent * );    virtual void viewportDragMoveEvent( QDragMoveEvent * );    virtual void viewportDragLeaveEvent( QDragLeaveEvent * );    virtual void viewportDropEvent( QDropEvent * );#endif    virtual void viewportWheelEvent( QWheelEvent * );    virtual void drawContentsOffset(QPainter*, int ox, int oy,		    int cx, int cy, int cw, int ch);    virtual void drawContents(QPainter*, int cx, int cy, int cw, int ch);    void	frameChanged();    virtual void setMargins(int left, int top, int right, int bottom);    int leftMargin() const;    int topMargin() const;    int rightMargin() const;    int bottomMargin() const;    bool focusNextPrevChild( bool next );    virtual void setHBarGeometry(QScrollBar& hbar, int x, int y, int w, int h);    virtual void setVBarGeometry(QScrollBar& vbar, int x, int y, int w, int h);private:    virtual void drawContents( QPainter* );    void moveContents(int x, int y);    QScrollViewData* d;private slots:    void hslide(int);    void vslide(int);#ifndef QT_NO_DRAGANDDROP    void doDragAutoScroll();    void startDragAutoScroll();    void stopDragAutoScroll();#endifprivate:	// Disabled copy constructor and operator=#if defined(Q_DISABLE_COPY)    QScrollView( const QScrollView & );    QScrollView &operator=( const QScrollView & );#endif    void changeFrameRect(const QRect&);};#endif // QT_NO_SCROLLVIEW#endif // QSCROLLVIEW_H