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254 lines
8.9 KiB
254 lines
8.9 KiB
15 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt3Support module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef Q3SCROLLVIEW_H
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#define Q3SCROLLVIEW_H
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#include <Qt3Support/q3frame.h>
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#include <QtGui/qscrollbar.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Qt3SupportLight)
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class Q3ScrollViewData;
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class Q_COMPAT_EXPORT Q3ScrollView : public Q3Frame
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{
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Q_OBJECT
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Q_ENUMS( ResizePolicy ScrollBarMode )
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Q_PROPERTY( ResizePolicy resizePolicy READ resizePolicy WRITE setResizePolicy )
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Q_PROPERTY( ScrollBarMode vScrollBarMode READ vScrollBarMode WRITE setVScrollBarMode )
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Q_PROPERTY( ScrollBarMode hScrollBarMode READ hScrollBarMode WRITE setHScrollBarMode )
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Q_PROPERTY( int visibleWidth READ visibleWidth )
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Q_PROPERTY( int visibleHeight READ visibleHeight )
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Q_PROPERTY( int contentsWidth READ contentsWidth )
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Q_PROPERTY( int contentsHeight READ contentsHeight )
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Q_PROPERTY( int contentsX READ contentsX )
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Q_PROPERTY( int contentsY READ contentsY )
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Q_PROPERTY( bool dragAutoScroll READ dragAutoScroll WRITE setDragAutoScroll )
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public:
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Q3ScrollView(QWidget* parent=0, const char* name=0, Qt::WindowFlags f=0);
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~Q3ScrollView();
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enum ResizePolicy { Default, Manual, AutoOne, AutoOneFit };
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virtual void setResizePolicy( ResizePolicy );
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ResizePolicy resizePolicy() const;
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void styleChange( QStyle & );
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void removeChild(QWidget* child);
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virtual void addChild( QWidget* child, int x=0, int y=0 );
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virtual void moveChild( QWidget* child, int x, int y );
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int childX(QWidget* child);
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int childY(QWidget* child);
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bool childIsVisible(QWidget* child) { return child->isVisible(); } // obsolete functions
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void showChild(QWidget* child, bool yes=true) { child->setVisible(yes); }
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enum ScrollBarMode { Auto, AlwaysOff, AlwaysOn };
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ScrollBarMode vScrollBarMode() const;
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virtual void setVScrollBarMode( ScrollBarMode );
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ScrollBarMode hScrollBarMode() const;
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virtual void setHScrollBarMode( ScrollBarMode );
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QWidget* cornerWidget() const;
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virtual void setCornerWidget(QWidget*);
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// ### 4.0: Consider providing a factory function for scrollbars
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// (e.g. make the two following functions virtual)
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QScrollBar* horizontalScrollBar() const;
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QScrollBar* verticalScrollBar() const;
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QWidget* viewport() const;
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QWidget* clipper() const;
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int visibleWidth() const;
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int visibleHeight() const;
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int contentsWidth() const;
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int contentsHeight() const;
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int contentsX() const;
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int contentsY() const;
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void resize( int w, int h );
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void resize( const QSize& );
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void setVisible(bool visible);
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void updateContents( int x, int y, int w, int h );
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void updateContents( const QRect& r );
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void updateContents();
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void repaintContents( int x, int y, int w, int h, bool erase=true );
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void repaintContents( const QRect& r, bool erase=true );
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void repaintContents( bool erase=true );
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void contentsToViewport( int x, int y, int& vx, int& vy ) const;
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void viewportToContents( int vx, int vy, int& x, int& y ) const;
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QPoint contentsToViewport( const QPoint& ) const;
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QPoint viewportToContents( const QPoint& ) const;
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void enableClipper( bool y );
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void setStaticBackground( bool y );
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bool hasStaticBackground() const;
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QSize viewportSize( int, int ) const;
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QSize sizeHint() const;
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QSize minimumSizeHint() const;
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void removeChild(QObject* child);
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bool isHorizontalSliderPressed();
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bool isVerticalSliderPressed();
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virtual void setDragAutoScroll( bool b );
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bool dragAutoScroll() const;
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Q_SIGNALS:
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void contentsMoving(int x, int y);
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void horizontalSliderPressed();
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void horizontalSliderReleased();
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void verticalSliderPressed();
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void verticalSliderReleased();
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public Q_SLOTS:
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virtual void resizeContents( int w, int h );
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void scrollBy( int dx, int dy );
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virtual void setContentsPos( int x, int y );
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void ensureVisible(int x, int y);
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void ensureVisible(int x, int y, int xmargin, int ymargin);
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void center(int x, int y);
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void center(int x, int y, float xmargin, float ymargin);
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void updateScrollBars(); // ### virtual in 4.0
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void setEnabled( bool enable );
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protected:
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virtual void drawContents(QPainter*, int cx, int cy, int cw, int ch);
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virtual void drawContentsOffset(QPainter*, int ox, int oy,
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int cx, int cy, int cw, int ch);
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virtual void contentsMousePressEvent( QMouseEvent* );
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virtual void contentsMouseReleaseEvent( QMouseEvent* );
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virtual void contentsMouseDoubleClickEvent( QMouseEvent* );
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virtual void contentsMouseMoveEvent( QMouseEvent* );
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virtual void contentsDragEnterEvent( QDragEnterEvent * );
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virtual void contentsDragMoveEvent( QDragMoveEvent * );
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virtual void contentsDragLeaveEvent( QDragLeaveEvent * );
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virtual void contentsDropEvent( QDropEvent * );
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virtual void contentsWheelEvent( QWheelEvent * );
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virtual void contentsContextMenuEvent( QContextMenuEvent * );
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virtual void viewportPaintEvent( QPaintEvent* );
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virtual void viewportResizeEvent( QResizeEvent* );
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virtual void viewportMousePressEvent( QMouseEvent* );
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virtual void viewportMouseReleaseEvent( QMouseEvent* );
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virtual void viewportMouseDoubleClickEvent( QMouseEvent* );
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virtual void viewportMouseMoveEvent( QMouseEvent* );
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virtual void viewportDragEnterEvent( QDragEnterEvent * );
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virtual void viewportDragMoveEvent( QDragMoveEvent * );
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virtual void viewportDragLeaveEvent( QDragLeaveEvent * );
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virtual void viewportDropEvent( QDropEvent * );
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virtual void viewportWheelEvent( QWheelEvent * );
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virtual void viewportContextMenuEvent( QContextMenuEvent * );
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void frameChanged();
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public:
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virtual void setMargins(int left, int top, int right, int bottom);
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int leftMargin() const;
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int topMargin() const;
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int rightMargin() const;
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int bottomMargin() const;
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protected:
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bool focusNextPrevChild( bool next );
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virtual void setHBarGeometry(QScrollBar& hbar, int x, int y, int w, int h);
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virtual void setVBarGeometry(QScrollBar& vbar, int x, int y, int w, int h);
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void resizeEvent(QResizeEvent*);
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void mousePressEvent( QMouseEvent * );
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void mouseReleaseEvent( QMouseEvent * );
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void mouseDoubleClickEvent( QMouseEvent * );
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void mouseMoveEvent( QMouseEvent * );
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void wheelEvent( QWheelEvent * );
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void contextMenuEvent( QContextMenuEvent * );
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bool eventFilter( QObject *, QEvent *e );
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void setCachedSizeHint( const QSize &sh ) const;
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QSize cachedSizeHint() const;
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void fontChange( const QFont & );
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private:
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void drawContents( QPainter* );
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void moveContents(int x, int y);
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Q3ScrollViewData* d;
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private Q_SLOTS:
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void hslide(int);
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void vslide(int);
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void hbarIsPressed();
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void hbarIsReleased();
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void vbarIsPressed();
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void vbarIsReleased();
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void doDragAutoScroll();
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void startDragAutoScroll();
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void stopDragAutoScroll();
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private: // Disabled copy constructor and operator=
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Q_DISABLE_COPY(Q3ScrollView)
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void changeFrameRect(const QRect&);
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public:
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void disableSizeHintCaching();
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};
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // Q3SCROLLVIEW_H
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