/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the Qt3Support module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the Technology Preview License Agreement accompanying ** this package. ** ** GNU Lesser General Public License Usage ** Alternatively, 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. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef Q3SCROLLVIEW_H #define Q3SCROLLVIEW_H #include #include 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