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**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef Q3SCROLLVIEW_H
#define Q3SCROLLVIEW_H
#include <Qt3Support/q3frame.h>
#include <QtGui/qscrollbar.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Qt3SupportLight)
class Q3ScrollViewData;
class Q_COMPAT_EXPORT Q3ScrollView : public Q3Frame
{
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 )
Q_PROPERTY( bool dragAutoScroll READ dragAutoScroll WRITE setDragAutoScroll )
public:
Q3ScrollView(QWidget* parent=0, const char* name=0, Qt::WindowFlags f=0);
~Q3ScrollView();
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) { child->setVisible(yes); }
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 setVisible(bool visible);
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();
virtual void setDragAutoScroll( bool b );
bool dragAutoScroll() const;
Q_SIGNALS:
void contentsMoving(int x, int y);
void horizontalSliderPressed();
void horizontalSliderReleased();
void verticalSliderPressed();
void verticalSliderReleased();
public Q_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* );
virtual void contentsDragEnterEvent( QDragEnterEvent * );
virtual void contentsDragMoveEvent( QDragMoveEvent * );
virtual void contentsDragLeaveEvent( QDragLeaveEvent * );
virtual void contentsDropEvent( QDropEvent * );
virtual void contentsWheelEvent( QWheelEvent * );
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* );
virtual void viewportDragEnterEvent( QDragEnterEvent * );
virtual void viewportDragMoveEvent( QDragMoveEvent * );
virtual void viewportDragLeaveEvent( QDragLeaveEvent * );
virtual void viewportDropEvent( QDropEvent * );
virtual void viewportWheelEvent( QWheelEvent * );
virtual void viewportContextMenuEvent( QContextMenuEvent * );
void frameChanged();
public:
virtual void setMargins(int left, int top, int right, int bottom);
int leftMargin() const;
int topMargin() const;
int rightMargin() const;
int bottomMargin() const;
protected:
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 * );
void wheelEvent( QWheelEvent * );
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);
Q3ScrollViewData* d;
private Q_SLOTS:
void hslide(int);
void vslide(int);
void hbarIsPressed();
void hbarIsReleased();
void vbarIsPressed();
void vbarIsReleased();
void doDragAutoScroll();
void startDragAutoScroll();
void stopDragAutoScroll();
private: // Disabled copy constructor and operator=
Q_DISABLE_COPY(Q3ScrollView)
void changeFrameRect(const QRect&);
public:
void disableSizeHintCaching();
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // Q3SCROLLVIEW_H
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