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-/****************************************************************************
-**
-** Definition of TQScrollView class
-**
-** Created : 970523
-**
-** Copyright (C) 2010 Timothy Pearson and (C) 1992-2008 Trolltech ASA.
-**
-** This file is part of the widgets module of the TQt 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 TQt 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.TQPL
-** included in the packaging of this file. Licensees holding valid TQt
-** Commercial licenses may use this file in accordance with the TQt
-** 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 TQSCROLLVIEW_H
-#define TQSCROLLVIEW_H
-
-#ifndef TQT_H
-#include "tqframe.h"
-#include "tqscrollbar.h"
-#endif // TQT_H
-
-#ifndef TQT_NO_SCROLLVIEW
-
-class TQScrollViewData;
-
-class TQ_EXPORT TQScrollView : public TQFrame
-{
- Q_OBJECT
- TQ_OBJECT
- TQ_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 TQT_NO_DRAGANDDROP
- Q_PROPERTY( bool dragAutoScroll READ dragAutoScroll WRITE setDragAutoScroll )
-#endif
-
-public:
- TQScrollView(TQWidget* parent=0, const char* name=0, WFlags f=0);
- ~TQScrollView();
-
- enum ResizePolicy { Default, Manual, AutoOne, AutoOneFit };
- virtual void setResizePolicy( ResizePolicy );
- ResizePolicy resizePolicy() const;
-
- void styleChange( TQStyle & );
- void removeChild(TQWidget* child);
- virtual void addChild( TQWidget* child, int x=0, int y=0 );
- virtual void moveChild( TQWidget* child, int x, int y );
- int childX(TQWidget* child);
- int childY(TQWidget* child);
- bool childIsVisible(TQWidget* child) { return child->isVisible(); } // obsolete functions
- void showChild(TQWidget* 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 );
-
- TQWidget* cornerWidget() const;
- virtual void setCornerWidget(TQWidget*);
-
- // ### 4.0: Consider providing a factory function for scrollbars
- // (e.g. make the two following functions virtual)
- TQScrollBar* horizontalScrollBar() const;
- TQScrollBar* verticalScrollBar() const;
- TQWidget* viewport() const;
- TQWidget* 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 TQSize& );
- void show();
-
- void updateContents( int x, int y, int w, int h );
- void updateContents( const TQRect& r );
- void updateContents();
- void repaintContents( int x, int y, int w, int h, bool erase=TRUE );
- void repaintContents( const TQRect& 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;
- TQPoint contentsToViewport( const TQPoint& ) const;
- TQPoint viewportToContents( const TQPoint& ) const;
- void enableClipper( bool y );
-
- void setStaticBackground( bool y );
- bool hasStaticBackground() const;
-
- TQSize viewportSize( int, int ) const;
- TQSize tqsizeHint() const;
- TQSize tqminimumSizeHint() const;
-
- void removeChild(TQObject* child);
-
- bool isHorizontalSliderPressed();
- bool isVerticalSliderPressed();
-
-#ifndef TQT_NO_DRAGANDDROP
- virtual void setDragAutoScroll( bool b );
- bool dragAutoScroll() const;
-#endif
-
-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(TQPainter*, int cx, int cy, int cw, int ch);
- virtual void drawContentsOffset(TQPainter*, int ox, int oy,
- int cx, int cy, int cw, int ch);
-
-
- virtual void contentsMousePressEvent( TQMouseEvent* );
- virtual void contentsMouseReleaseEvent( TQMouseEvent* );
- virtual void contentsMouseDoubleClickEvent( TQMouseEvent* );
- virtual void contentsMouseMoveEvent( TQMouseEvent* );
-#ifndef TQT_NO_DRAGANDDROP
- virtual void contentsDragEnterEvent( TQDragEnterEvent * );
- virtual void contentsDragMoveEvent( TQDragMoveEvent * );
- virtual void contentsDragLeaveEvent( TQDragLeaveEvent * );
- virtual void contentsDropEvent( TQDropEvent * );
-#endif
-#ifndef TQT_NO_WHEELEVENT
- virtual void contentsWheelEvent( TQWheelEvent * );
-#endif
- virtual void contentsContextMenuEvent( TQContextMenuEvent * );
-
-
- virtual void viewportPaintEvent( TQPaintEvent* );
- virtual void viewportResizeEvent( TQResizeEvent* );
- virtual void viewportMousePressEvent( TQMouseEvent* );
- virtual void viewportMouseReleaseEvent( TQMouseEvent* );
- virtual void viewportMouseDoubleClickEvent( TQMouseEvent* );
- virtual void viewportMouseMoveEvent( TQMouseEvent* );
-#ifndef TQT_NO_DRAGANDDROP
- virtual void viewportDragEnterEvent( TQDragEnterEvent * );
- virtual void viewportDragMoveEvent( TQDragMoveEvent * );
- virtual void viewportDragLeaveEvent( TQDragLeaveEvent * );
- virtual void viewportDropEvent( TQDropEvent * );
-#endif
-#ifndef TQT_NO_WHEELEVENT
- virtual void viewportWheelEvent( TQWheelEvent * );
-#endif
- virtual void viewportContextMenuEvent( TQContextMenuEvent * );
-
- 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(TQScrollBar& hbar, int x, int y, int w, int h);
- virtual void setVBarGeometry(TQScrollBar& vbar, int x, int y, int w, int h);
-
- virtual void resizeEvent(TQResizeEvent*);
- virtual void mousePressEvent( TQMouseEvent * );
- virtual void mouseReleaseEvent( TQMouseEvent * );
- virtual void mouseDoubleClickEvent( TQMouseEvent * );
- virtual void mouseMoveEvent( TQMouseEvent * );
-#ifndef TQT_NO_WHEELEVENT
- virtual void wheelEvent( TQWheelEvent * );
-#endif
- virtual void contextMenuEvent( TQContextMenuEvent * );
- virtual bool eventFilter( TQObject *, TQEvent *e );
-
- void setCachedSizeHint( const TQSize &sh ) const;
- TQSize cachedSizeHint() const;
- void fontChange( const TQFont & );
-
-private:
- void drawContents( TQPainter* );
- void moveContents(int x, int y);
-
- TQScrollViewData* d;
-
-private Q_SLOTS:
- void hslide(int);
- void vslide(int);
- void hbarIsPressed();
- void hbarIsReleased();
- void vbarIsPressed();
- void vbarIsReleased();
-#ifndef TQT_NO_DRAGANDDROP
- void doDragAutoScroll();
- void startDragAutoScroll();
- void stopDragAutoScroll();
-#endif
-
-private: // Disabled copy constructor and operator=
-#if defined(TQ_DISABLE_COPY)
- TQScrollView( const TQScrollView & );
- TQScrollView &operator=( const TQScrollView & );
-#endif
- void changeFrameRect(const TQRect&);
-
-public:
- void disableSizeHintCaching();
-
-};
-
-#endif // TQT_NO_SCROLLVIEW
-
-#endif // TQSCROLLVIEW_H