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| 6 | <title>qscrollview.h Include File</title>
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| 19 | <a href="index.html">
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| 20 | <font color="#004faf">Home</font></a>
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| 21 | | <a href="classes.html">
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| 22 | <font color="#004faf">All Classes</font></a>
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| 23 | | <a href="mainclasses.html">
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| 24 | <font color="#004faf">Main Classes</font></a>
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| 25 | | <a href="annotated.html">
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| 26 | <font color="#004faf">Annotated</font></a>
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| 27 | | <a href="groups.html">
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| 28 | <font color="#004faf">Grouped Classes</font></a>
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| 29 | | <a href="functions.html">
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| 30 | <font color="#004faf">Functions</font></a>
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| 31 | </td>
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| 32 | <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qscrollview.h</h1>
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| 33 |
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| 34 | <p>This is the verbatim text of the qscrollview.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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| 35 | <hr>
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| 36 | <pre>
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| 37 | /****************************************************************************
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| 38 | ** $Id: qscrollview-h.html 2051 2007-02-21 10:04:20Z chehrlic $
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| 39 | **
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| 40 | ** Definition of QScrollView class
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| 41 | **
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| 42 | ** Created : 970523
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| 43 | **
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| 44 | ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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| 45 | **
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| 46 | ** This file is part of the widgets module of the Qt GUI Toolkit.
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| 47 | **
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| 48 | ** This file may be distributed under the terms of the Q Public License
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| 49 | ** as defined by Trolltech ASA of Norway and appearing in the file
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| 50 | ** LICENSE.QPL included in the packaging of this file.
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| 51 | **
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| 52 | ** This file may be distributed and/or modified under the terms of the
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| 53 | ** GNU General Public License version 2 as published by the Free Software
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| 54 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 55 | ** packaging of this file.
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| 56 | **
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| 57 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
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| 58 | ** licenses may use this file in accordance with the Qt Commercial License
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| 59 | ** Agreement provided with the Software.
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| 60 | **
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| 61 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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| 62 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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| 63 | **
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| 64 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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| 65 | ** information about Qt Commercial License Agreements.
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| 66 | ** See http://www.trolltech.com/qpl/ for QPL licensing information.
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| 67 | ** See http://www.trolltech.com/gpl/ for GPL licensing information.
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| 68 | **
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| 69 | ** Contact info@trolltech.com if any conditions of this licensing are
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| 70 | ** not clear to you.
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| 71 | **
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| 72 | **********************************************************************/
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| 73 | #ifndef QSCROLLVIEW_H
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| 74 | #define QSCROLLVIEW_H
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| 75 |
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| 76 | #ifndef QT_H
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| 77 | #include "qframe.h"
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| 78 | #include "qscrollbar.h"
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| 79 | #endif // QT_H
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| 80 |
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| 81 | #ifndef QT_NO_SCROLLVIEW
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| 82 |
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| 83 | class QScrollViewData;
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| 84 |
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| 85 | class Q_EXPORT QScrollView : public QFrame
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| 86 | {
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| 87 | Q_OBJECT
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| 88 | Q_ENUMS( ResizePolicy ScrollBarMode )
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| 89 | Q_PROPERTY( ResizePolicy resizePolicy READ resizePolicy WRITE setResizePolicy )
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| 90 | Q_PROPERTY( ScrollBarMode vScrollBarMode READ vScrollBarMode WRITE setVScrollBarMode )
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| 91 | Q_PROPERTY( ScrollBarMode hScrollBarMode READ hScrollBarMode WRITE setHScrollBarMode )
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| 92 | Q_PROPERTY( int visibleWidth READ visibleWidth )
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| 93 | Q_PROPERTY( int visibleHeight READ visibleHeight )
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| 94 | Q_PROPERTY( int contentsWidth READ contentsWidth )
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| 95 | Q_PROPERTY( int contentsHeight READ contentsHeight )
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| 96 | Q_PROPERTY( int contentsX READ contentsX )
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| 97 | Q_PROPERTY( int contentsY READ contentsY )
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| 98 | #ifndef QT_NO_DRAGANDDROP
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| 99 | Q_PROPERTY( bool dragAutoScroll READ dragAutoScroll WRITE setDragAutoScroll )
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| 100 | #endif
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| 101 |
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| 102 | public:
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| 103 | QScrollView(QWidget* parent=0, const char* name=0, WFlags f=0);
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| 104 | ~QScrollView();
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| 105 |
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| 106 | enum ResizePolicy { Default, Manual, AutoOne, AutoOneFit };
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| 107 | virtual void setResizePolicy( ResizePolicy );
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| 108 | ResizePolicy resizePolicy() const;
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| 109 |
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| 110 | void styleChange( QStyle & );
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| 111 | void removeChild(QWidget* child);
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| 112 | virtual void addChild( QWidget* child, int x=0, int y=0 );
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| 113 | virtual void moveChild( QWidget* child, int x, int y );
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| 114 | int childX(QWidget* child);
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| 115 | int childY(QWidget* child);
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| 116 | bool childIsVisible(QWidget* child) { return child->isVisible(); } // obsolete functions
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| 117 | void showChild(QWidget* child, bool yes=TRUE) {
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| 118 | if ( yes )
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| 119 | child->show();
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| 120 | else
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| 121 | child->hide();
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| 122 | }
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| 123 |
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| 124 | enum ScrollBarMode { Auto, AlwaysOff, AlwaysOn };
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| 125 |
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| 126 | ScrollBarMode vScrollBarMode() const;
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| 127 | virtual void setVScrollBarMode( ScrollBarMode );
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| 128 |
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| 129 | ScrollBarMode hScrollBarMode() const;
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| 130 | virtual void setHScrollBarMode( ScrollBarMode );
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| 131 |
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| 132 | QWidget* cornerWidget() const;
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| 133 | virtual void setCornerWidget(QWidget*);
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| 134 |
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| 135 | // ### 4.0: Consider providing a factory function for scrollbars
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| 136 | // (e.g. make the two following functions virtual)
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| 137 | QScrollBar* horizontalScrollBar() const;
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| 138 | QScrollBar* verticalScrollBar() const;
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| 139 | QWidget* viewport() const;
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| 140 | QWidget* clipper() const;
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| 141 |
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| 142 | int visibleWidth() const;
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| 143 | int visibleHeight() const;
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| 144 |
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| 145 | int contentsWidth() const;
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| 146 | int contentsHeight() const;
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| 147 | int contentsX() const;
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| 148 | int contentsY() const;
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| 149 |
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| 150 | void resize( int w, int h );
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| 151 | void resize( const QSize& );
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| 152 | void show();
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| 153 |
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| 154 | void updateContents( int x, int y, int w, int h );
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| 155 | void updateContents( const QRect& r );
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| 156 | void updateContents();
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| 157 | void repaintContents( int x, int y, int w, int h, bool erase=TRUE );
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| 158 | void repaintContents( const QRect& r, bool erase=TRUE );
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| 159 | void repaintContents( bool erase=TRUE );
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| 160 | void contentsToViewport( int x, int y, int& vx, int& vy ) const;
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| 161 | void viewportToContents( int vx, int vy, int& x, int& y ) const;
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| 162 | QPoint contentsToViewport( const QPoint& ) const;
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| 163 | QPoint viewportToContents( const QPoint& ) const;
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| 164 | void enableClipper( bool y );
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| 165 |
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| 166 | void setStaticBackground( bool y );
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| 167 | bool hasStaticBackground() const;
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| 168 |
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| 169 | QSize viewportSize( int, int ) const;
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| 170 | QSize sizeHint() const;
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| 171 | QSize minimumSizeHint() const;
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| 172 |
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| 173 | void removeChild(QObject* child);
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| 174 |
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| 175 | bool isHorizontalSliderPressed();
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| 176 | bool isVerticalSliderPressed();
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| 177 |
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| 178 | #ifndef QT_NO_DRAGANDDROP
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| 179 | virtual void setDragAutoScroll( bool b );
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| 180 | bool dragAutoScroll() const;
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| 181 | #endif
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| 182 |
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| 183 | signals:
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| 184 | void contentsMoving(int x, int y);
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| 185 | void horizontalSliderPressed();
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| 186 | void horizontalSliderReleased();
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| 187 | void verticalSliderPressed();
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| 188 | void verticalSliderReleased();
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| 189 |
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| 190 | public slots:
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| 191 | virtual void resizeContents( int w, int h );
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| 192 | void scrollBy( int dx, int dy );
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| 193 | virtual void setContentsPos( int x, int y );
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| 194 | void ensureVisible(int x, int y);
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| 195 | void ensureVisible(int x, int y, int xmargin, int ymargin);
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| 196 | void center(int x, int y);
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| 197 | void center(int x, int y, float xmargin, float ymargin);
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| 198 |
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| 199 | void updateScrollBars(); // ### virtual in 4.0
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| 200 | void setEnabled( bool enable );
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| 201 |
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| 202 | protected:
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| 203 | virtual void drawContents(QPainter*, int cx, int cy, int cw, int ch);
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| 204 | virtual void drawContentsOffset(QPainter*, int ox, int oy,
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| 205 | int cx, int cy, int cw, int ch);
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| 206 |
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| 207 |
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| 208 | virtual void contentsMousePressEvent( QMouseEvent* );
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| 209 | virtual void contentsMouseReleaseEvent( QMouseEvent* );
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| 210 | virtual void contentsMouseDoubleClickEvent( QMouseEvent* );
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| 211 | virtual void contentsMouseMoveEvent( QMouseEvent* );
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| 212 | #ifndef QT_NO_DRAGANDDROP
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| 213 | virtual void contentsDragEnterEvent( QDragEnterEvent * );
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| 214 | virtual void contentsDragMoveEvent( QDragMoveEvent * );
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| 215 | virtual void contentsDragLeaveEvent( QDragLeaveEvent * );
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| 216 | virtual void contentsDropEvent( QDropEvent * );
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| 217 | #endif
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| 218 | #ifndef QT_NO_WHEELEVENT
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| 219 | virtual void contentsWheelEvent( QWheelEvent * );
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| 220 | #endif
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| 221 | virtual void contentsContextMenuEvent( QContextMenuEvent * );
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| 222 |
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| 223 |
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| 224 | virtual void viewportPaintEvent( QPaintEvent* );
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| 225 | virtual void viewportResizeEvent( QResizeEvent* );
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| 226 | virtual void viewportMousePressEvent( QMouseEvent* );
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| 227 | virtual void viewportMouseReleaseEvent( QMouseEvent* );
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| 228 | virtual void viewportMouseDoubleClickEvent( QMouseEvent* );
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| 229 | virtual void viewportMouseMoveEvent( QMouseEvent* );
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| 230 | #ifndef QT_NO_DRAGANDDROP
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| 231 | virtual void viewportDragEnterEvent( QDragEnterEvent * );
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| 232 | virtual void viewportDragMoveEvent( QDragMoveEvent * );
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| 233 | virtual void viewportDragLeaveEvent( QDragLeaveEvent * );
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| 234 | virtual void viewportDropEvent( QDropEvent * );
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| 235 | #endif
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| 236 | #ifndef QT_NO_WHEELEVENT
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| 237 | virtual void viewportWheelEvent( QWheelEvent * );
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| 238 | #endif
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| 239 | virtual void viewportContextMenuEvent( QContextMenuEvent * );
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| 240 |
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| 241 | void frameChanged();
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| 242 |
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| 243 | virtual void setMargins(int left, int top, int right, int bottom);
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| 244 | int leftMargin() const;
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| 245 | int topMargin() const;
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| 246 | int rightMargin() const;
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| 247 | int bottomMargin() const;
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| 248 |
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| 249 | bool focusNextPrevChild( bool next );
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| 250 |
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| 251 | virtual void setHBarGeometry(QScrollBar& hbar, int x, int y, int w, int h);
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| 252 | virtual void setVBarGeometry(QScrollBar& vbar, int x, int y, int w, int h);
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| 253 |
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| 254 | void resizeEvent(QResizeEvent*);
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| 255 | void mousePressEvent( QMouseEvent * );
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| 256 | void mouseReleaseEvent( QMouseEvent * );
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| 257 | void mouseDoubleClickEvent( QMouseEvent * );
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| 258 | void mouseMoveEvent( QMouseEvent * );
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| 259 | #ifndef QT_NO_WHEELEVENT
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| 260 | void wheelEvent( QWheelEvent * );
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| 261 | #endif
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| 262 | void contextMenuEvent( QContextMenuEvent * );
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| 263 | bool eventFilter( QObject *, QEvent *e );
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| 264 |
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| 265 | void setCachedSizeHint( const QSize &sh ) const;
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| 266 | QSize cachedSizeHint() const;
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| 267 | void fontChange( const QFont & );
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| 268 |
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| 269 | private:
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| 270 | void drawContents( QPainter* );
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| 271 | void moveContents(int x, int y);
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| 272 |
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| 273 | QScrollViewData* d;
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| 274 |
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| 275 | private slots:
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| 276 | void hslide(int);
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| 277 | void vslide(int);
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| 278 | void hbarIsPressed();
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| 279 | void hbarIsReleased();
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| 280 | void vbarIsPressed();
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| 281 | void vbarIsReleased();
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| 282 | #ifndef QT_NO_DRAGANDDROP
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| 283 | void doDragAutoScroll();
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| 284 | void startDragAutoScroll();
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| 285 | void stopDragAutoScroll();
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| 286 | #endif
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| 287 |
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| 288 | private: // Disabled copy constructor and operator=
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| 289 | #if defined(Q_DISABLE_COPY)
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| 290 | QScrollView( const QScrollView & );
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| 291 | QScrollView &operator=( const QScrollView & );
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| 292 | #endif
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| 293 | void changeFrameRect(const QRect&);
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| 294 |
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| 295 | public:
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| 296 | void disableSizeHintCaching();
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| 297 |
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| 298 | };
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| 299 |
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| 300 | #endif // QT_NO_SCROLLVIEW
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| 301 |
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| 302 | #endif // QSCROLLVIEW_H
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| 303 | </pre>
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| 304 | <!-- eof -->
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| 305 | <p><address><hr><div align=center>
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| 306 | <table width=100% cellspacing=0 border=0><tr>
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| 307 | <td>Copyright © 2007
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| 308 | <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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| 309 | <td align=right><div align=right>Qt 3.3.8</div>
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| 310 | </table></div></address></body>
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| 311 | </html>
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