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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qscrollview.h</h1>
<p>This is the verbatim text of the qscrollview.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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/****************************************************************************
** $Id: qt/qscrollview.h 3.3.8 edited Jan 11 14:38 $
**
** Definition of QScrollView class
**
** Created : 970523
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the widgets module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef QSCROLLVIEW_H
#define QSCROLLVIEW_H
#ifndef QT_H
#include "qframe.h"
#include "qscrollbar.h"
#endif // QT_H
#ifndef QT_NO_SCROLLVIEW
class 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 )
#endif
public:
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) { return child->isVisible(); } // obsolete functions
void showChild(QWidget* child, bool yes=TRUE) {
if ( yes )
child->show();
else
child->hide();
}
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*);
// ### 4.0: Consider providing a factory function for scrollbars
// (e.g. make the two following functions virtual)
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 updateContents();
void repaintContents( int x, int y, int w, int h, bool erase=TRUE );
void repaintContents( const QRect& r, bool erase=TRUE );
void repaintContents( bool erase=TRUE );
void contentsToViewport( int x, int y, int& vx, int& vy ) const;
void viewportToContents( int vx, int vy, int& x, int& y ) const;
QPoint contentsToViewport( const QPoint& ) const;
QPoint viewportToContents( const QPoint& ) const;
void enableClipper( bool y );
void setStaticBackground( bool y );
bool hasStaticBackground() const;
QSize viewportSize( int, int ) const;
QSize sizeHint() const;
QSize minimumSizeHint() const;
void removeChild(QObject* child);
bool isHorizontalSliderPressed();
bool isVerticalSliderPressed();
#ifndef QT_NO_DRAGANDDROP
virtual void setDragAutoScroll( bool b );
bool dragAutoScroll() const;
#endif
signals:
void contentsMoving(int x, int y);
void horizontalSliderPressed();
void horizontalSliderReleased();
void verticalSliderPressed();
void verticalSliderReleased();
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(); // ### virtual in 4.0
void setEnabled( bool enable );
protected:
virtual void drawContents(QPainter*, int cx, int cy, int cw, int ch);
virtual void drawContentsOffset(QPainter*, int ox, int oy,
int cx, int cy, int cw, int ch);
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
#ifndef QT_NO_WHEELEVENT
virtual void contentsWheelEvent( QWheelEvent * );
#endif
virtual void contentsContextMenuEvent( QContextMenuEvent * );
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
#ifndef QT_NO_WHEELEVENT
virtual void viewportWheelEvent( QWheelEvent * );
#endif
virtual void viewportContextMenuEvent( QContextMenuEvent * );
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);
void resizeEvent(QResizeEvent*);
void mousePressEvent( QMouseEvent * );
void mouseReleaseEvent( QMouseEvent * );
void mouseDoubleClickEvent( QMouseEvent * );
void mouseMoveEvent( QMouseEvent * );
#ifndef QT_NO_WHEELEVENT
void wheelEvent( QWheelEvent * );
#endif
void contextMenuEvent( QContextMenuEvent * );
bool eventFilter( QObject *, QEvent *e );
void setCachedSizeHint( const QSize &sh ) const;
QSize cachedSizeHint() const;
void fontChange( const QFont & );
private:
void drawContents( QPainter* );
void moveContents(int x, int y);
QScrollViewData* d;
private slots:
void hslide(int);
void vslide(int);
void hbarIsPressed();
void hbarIsReleased();
void vbarIsPressed();
void vbarIsReleased();
#ifndef QT_NO_DRAGANDDROP
void doDragAutoScroll();
void startDragAutoScroll();
void stopDragAutoScroll();
#endif
private: // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
QScrollView( const QScrollView & );
QScrollView &operator=( const QScrollView & );
#endif
void changeFrameRect(const QRect&);
public:
void disableSizeHintCaching();
};
#endif // QT_NO_SCROLLVIEW
#endif // QSCROLLVIEW_H
</pre>
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