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- /****************************************************************************
- ** $Id: qt/src/widgets/qscrollview.h 2.3.0 edited 2001-02-08 $
- **
- ** Definition of QScrollView class
- **
- ** Created : 970523
- **
- ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
- **
- ** This file is part of the widgets module of the Qt GUI Toolkit.
- **
- ** This file may be distributed under the terms of the Q Public License
- ** as defined by Trolltech AS of Norway and appearing in the file
- ** LICENSE.QPL included in the packaging of this file.
- **
- ** This file may be distributed and/or modified under the terms of the
- ** GNU General Public License version 2 as published by the Free Software
- ** Foundation and appearing in the file LICENSE.GPL included in the
- ** packaging of this file.
- **
- ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
- ** 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
- ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- **
- ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
- ** information about Qt Commercial License Agreements.
- ** See http://www.trolltech.com/qpl/ for QPL licensing information.
- ** See http://www.trolltech.com/gpl/ for GPL licensing information.
- **
- ** Contact info@trolltech.com if any conditions of this licensing are
- ** not clear to you.
- **
- **********************************************************************/
- #ifndef QSCROLLVIEW_H
- #define QSCROLLVIEW_H
-
- #ifndef QT_H
- #include "qframe.h"
- #include "qscrollbar.h"
- #endif // QT_H
-
- #ifndef QT_NO_SCROLLVIEW
-
- struct 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);
- void showChild(QWidget* child, bool yes=TRUE);
-
- 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*);
-
- 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 repaintContents( int x, int y, int w, int h, bool erase=TRUE );
- void repaintContents( const QRect& r, bool erase=TRUE );
- //### make this const in 3.0
- void contentsToViewport(int x, int y, int& vx, int& vy);
- //### make this const in 3.0
- void viewportToContents(int vx, int vy, int& x, int& y);
- QPoint contentsToViewport(const QPoint&);
- QPoint viewportToContents(const QPoint&);
- void enableClipper(bool y);
-
- void setStaticBackground(bool y);
- bool hasStaticBackground() const;
-
- QSize viewportSize( int, int ) const;
- QSizePolicy sizePolicy() const;
- QSize sizeHint() const;
- QSize minimumSizeHint() const;
-
- void removeChild(QObject* child);
-
- #ifndef QT_NO_DRAGANDDROP
- void setDragAutoScroll( bool b ); // #### virtual in 3.0
- bool dragAutoScroll() const;
- #endif
-
- signals:
- void contentsMoving(int x, int y);
-
- 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();
- void setEnabled( bool enable );
-
- protected:
- void resizeEvent(QResizeEvent*);
- void wheelEvent( QWheelEvent * );
- bool eventFilter( QObject *, QEvent *e );
-
- 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
- virtual void contentsWheelEvent( QWheelEvent * );
-
- 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
- virtual void viewportWheelEvent( QWheelEvent * );
-
- virtual void drawContentsOffset(QPainter*, int ox, int oy,
- int cx, int cy, int cw, int ch);
- virtual void drawContents(QPainter*, int cx, int cy, int cw, int ch);
- 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);
-
- private:
- virtual void drawContents( QPainter* );
- void moveContents(int x, int y);
-
- QScrollViewData* d;
-
- private slots:
- void hslide(int);
- void vslide(int);
- #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&);
- };
-
- #endif // QT_NO_SCROLLVIEW
-
- #endif // QSCROLLVIEW_H
-