Add Qt3 development HEAD version

1 files changed, 269 insertions, 0 deletions

diff --git a/src/widgets/qscrollview.h b/src/widgets/qscrollview.h
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+/****************************************************************************
+**
+** Definition of QScrollView class
+**
+** Created : 970523
+**
+** Copyright (C) 1992-2008 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 files LICENSE.GPL2
+** and LICENSE.GPL3 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