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Diffstat (limited to 'src/widgets/tqscrollview.h')
| -rw-r--r-- | src/widgets/tqscrollview.h | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/src/widgets/tqscrollview.h b/src/widgets/tqscrollview.h new file mode 100644 index 000000000..21cc37237 --- /dev/null +++ b/src/widgets/tqscrollview.h @@ -0,0 +1,269 @@ +/**************************************************************************** +** +** Definition of TQScrollView class +** +** Created : 970523 +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** 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 [email protected]. +** +** 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 QT_H +#include "ntqframe.h" +#include "tqscrollbar.h" +#endif // QT_H + +#ifndef TQT_NO_SCROLLVIEW + +class TQScrollViewData; + +class TQ_EXPORT TQScrollView : public TQFrame +{ + TQ_OBJECT + TQ_ENUMS( ResizePolicy ScrollBarMode ) + TQ_PROPERTY( ResizePolicy resizePolicy READ resizePolicy WRITE setResizePolicy ) + TQ_PROPERTY( ScrollBarMode vScrollBarMode READ vScrollBarMode WRITE setVScrollBarMode ) + TQ_PROPERTY( ScrollBarMode hScrollBarMode READ hScrollBarMode WRITE setHScrollBarMode ) + TQ_PROPERTY( int visibleWidth READ visibleWidth ) + TQ_PROPERTY( int visibleHeight READ visibleHeight ) + TQ_PROPERTY( int contentsWidth READ contentsWidth ) + TQ_PROPERTY( int contentsHeight READ contentsHeight ) + TQ_PROPERTY( int contentsX READ contentsX ) + TQ_PROPERTY( int contentsY READ contentsY ) +#ifndef TQT_NO_DRAGANDDROP + TQ_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 sizeHint() const; + TQSize minimumSizeHint() const; + + void removeChild(TQObject* child); + + bool isHorizontalSliderPressed(); + bool isVerticalSliderPressed(); + +#ifndef TQT_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(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); + + void resizeEvent(TQResizeEvent*); + void mousePressEvent( TQMouseEvent * ); + void mouseReleaseEvent( TQMouseEvent * ); + void mouseDoubleClickEvent( TQMouseEvent * ); + void mouseMoveEvent( TQMouseEvent * ); +#ifndef TQT_NO_WHEELEVENT + void wheelEvent( TQWheelEvent * ); +#endif + void contextMenuEvent( TQContextMenuEvent * ); + 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 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 |