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Diffstat (limited to 'src/qt3support/widgets/q3scrollview.h')
| -rw-r--r-- | src/qt3support/widgets/q3scrollview.h | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/src/qt3support/widgets/q3scrollview.h b/src/qt3support/widgets/q3scrollview.h new file mode 100644 index 0000000..14c2720 --- /dev/null +++ b/src/qt3support/widgets/q3scrollview.h @@ -0,0 +1,253 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 |