| 1 | /****************************************************************************
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| 2 | ** $Id: qrect.h 2 2005-11-16 15:49:26Z dmik $
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| 3 | **
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| 4 | ** Definition of QRect class
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| 5 | **
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| 6 | ** Created : 931028
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| 7 | **
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| 8 | ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
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| 9 | **
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| 10 | ** This file is part of the kernel module of the Qt GUI Toolkit.
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| 11 | **
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| 12 | ** This file may be distributed under the terms of the Q Public License
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| 13 | ** as defined by Trolltech AS of Norway and appearing in the file
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| 14 | ** LICENSE.QPL included in the packaging of this file.
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| 15 | **
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| 16 | ** This file may be distributed and/or modified under the terms of the
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| 17 | ** GNU General Public License version 2 as published by the Free Software
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| 18 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 19 | ** packaging of this file.
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| 20 | **
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| 21 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
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| 22 | ** licenses may use this file in accordance with the Qt Commercial License
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| 23 | ** Agreement provided with the Software.
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| 24 | **
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| 25 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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| 26 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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| 27 | **
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| 28 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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| 29 | ** information about Qt Commercial License Agreements.
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| 30 | ** See http://www.trolltech.com/qpl/ for QPL licensing information.
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| 31 | ** See http://www.trolltech.com/gpl/ for GPL licensing information.
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| 32 | **
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| 33 | ** Contact info@trolltech.com if any conditions of this licensing are
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| 34 | ** not clear to you.
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| 35 | **
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| 36 | **********************************************************************/
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| 37 |
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| 38 | #ifndef QRECT_H
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| 39 | #define QRECT_H
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| 40 |
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| 41 | #ifndef QT_H
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| 42 | #include "qsize.h"
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| 43 | #endif // QT_H
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| 44 |
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| 45 | #if defined(topLeft)
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| 46 | #error "Macro definition of topLeft conflicts with QRect"
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| 47 | // don't just silently undo people's defines: #undef topLeft
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| 48 | #endif
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| 49 |
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| 50 | class Q_EXPORT QRect // rectangle class
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| 51 | {
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| 52 | public:
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| 53 | QRect() { x1 = y1 = 0; x2 = y2 = -1; }
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| 54 | QRect( const QPoint &topleft, const QPoint &bottomright );
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| 55 | QRect( const QPoint &topleft, const QSize &size );
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| 56 | QRect( int left, int top, int width, int height );
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| 57 |
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| 58 | bool isNull() const;
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| 59 | bool isEmpty() const;
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| 60 | bool isValid() const;
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| 61 | QRect normalize() const;
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| 62 |
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| 63 | int left() const;
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| 64 | int top() const;
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| 65 | int right() const;
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| 66 | int bottom() const;
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| 67 |
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| 68 | QCOORD &rLeft();
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| 69 | QCOORD &rTop();
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| 70 | QCOORD &rRight();
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| 71 | QCOORD &rBottom();
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| 72 |
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| 73 | int x() const;
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| 74 | int y() const;
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| 75 | void setLeft( int pos );
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| 76 | void setTop( int pos );
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| 77 | void setRight( int pos );
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| 78 | void setBottom( int pos );
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| 79 | void setX( int x );
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| 80 | void setY( int y );
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| 81 |
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| 82 | void setTopLeft( const QPoint &p );
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| 83 | void setBottomRight( const QPoint &p );
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| 84 | void setTopRight( const QPoint &p );
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| 85 | void setBottomLeft( const QPoint &p );
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| 86 |
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| 87 | QPoint topLeft() const;
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| 88 | QPoint bottomRight() const;
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| 89 | QPoint topRight() const;
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| 90 | QPoint bottomLeft() const;
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| 91 | QPoint center() const;
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| 92 |
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| 93 | void rect( int *x, int *y, int *w, int *h ) const;
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| 94 | void coords( int *x1, int *y1, int *x2, int *y2 ) const;
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| 95 |
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| 96 | void moveLeft( int pos );
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| 97 | void moveTop( int pos );
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| 98 | void moveRight( int pos );
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| 99 | void moveBottom( int pos );
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| 100 | void moveTopLeft( const QPoint &p );
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| 101 | void moveBottomRight( const QPoint &p );
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| 102 | void moveTopRight( const QPoint &p );
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| 103 | void moveBottomLeft( const QPoint &p );
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| 104 | void moveCenter( const QPoint &p );
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| 105 | void moveBy( int dx, int dy );
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| 106 |
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| 107 | void setRect( int x, int y, int w, int h );
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| 108 | void setCoords( int x1, int y1, int x2, int y2 );
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| 109 | void addCoords( int x1, int y1, int x2, int y2 );
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| 110 |
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| 111 | QSize size() const;
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| 112 | int width() const;
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| 113 | int height() const;
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| 114 | void setWidth( int w );
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| 115 | void setHeight( int h );
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| 116 | void setSize( const QSize &s );
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| 117 |
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| 118 | QRect operator|(const QRect &r) const;
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| 119 | QRect operator&(const QRect &r) const;
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| 120 | QRect& operator|=(const QRect &r);
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| 121 | QRect& operator&=(const QRect &r);
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| 122 |
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| 123 | bool contains( const QPoint &p, bool proper=FALSE ) const;
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| 124 | bool contains( int x, int y ) const; // inline methods, _don't_ merge these
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| 125 | bool contains( int x, int y, bool proper ) const;
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| 126 | bool contains( const QRect &r, bool proper=FALSE ) const;
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| 127 | QRect unite( const QRect &r ) const;
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| 128 | QRect intersect( const QRect &r ) const;
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| 129 | bool intersects( const QRect &r ) const;
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| 130 |
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| 131 | friend Q_EXPORT bool operator==( const QRect &, const QRect & );
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| 132 | friend Q_EXPORT bool operator!=( const QRect &, const QRect & );
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| 133 |
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| 134 | private:
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| 135 | #if defined(Q_WS_X11) || defined(Q_OS_TEMP)
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| 136 | friend void qt_setCoords( QRect *r, int xp1, int yp1, int xp2, int yp2 );
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| 137 | #endif
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| 138 | #if defined(Q_OS_MAC)
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| 139 | QCOORD y1;
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| 140 | QCOORD x1;
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| 141 | QCOORD y2;
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| 142 | QCOORD x2;
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| 143 | #else
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| 144 | QCOORD x1;
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| 145 | QCOORD y1;
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| 146 | QCOORD x2;
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| 147 | QCOORD y2;
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| 148 | #endif
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| 149 | };
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| 150 |
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| 151 | Q_EXPORT bool operator==( const QRect &, const QRect & );
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| 152 | Q_EXPORT bool operator!=( const QRect &, const QRect & );
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| 153 |
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| 154 |
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| 155 | /*****************************************************************************
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| 156 | QRect stream functions
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| 157 | *****************************************************************************/
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| 158 | #ifndef QT_NO_DATASTREAM
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| 159 | Q_EXPORT QDataStream &operator<<( QDataStream &, const QRect & );
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| 160 | Q_EXPORT QDataStream &operator>>( QDataStream &, QRect & );
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| 161 | #endif
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| 162 |
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| 163 | /*****************************************************************************
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| 164 | QRect inline member functions
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| 165 | *****************************************************************************/
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| 166 |
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| 167 | inline QRect::QRect( int left, int top, int width, int height )
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| 168 | {
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| 169 | x1 = (QCOORD)left;
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| 170 | y1 = (QCOORD)top;
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| 171 | x2 = (QCOORD)(left+width-1);
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| 172 | y2 = (QCOORD)(top+height-1);
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| 173 | }
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| 174 |
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| 175 | inline bool QRect::isNull() const
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| 176 | { return x2 == x1-1 && y2 == y1-1; }
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| 177 |
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| 178 | inline bool QRect::isEmpty() const
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| 179 | { return x1 > x2 || y1 > y2; }
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| 180 |
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| 181 | inline bool QRect::isValid() const
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| 182 | { return x1 <= x2 && y1 <= y2; }
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| 183 |
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| 184 | inline int QRect::left() const
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| 185 | { return x1; }
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| 186 |
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| 187 | inline int QRect::top() const
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| 188 | { return y1; }
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| 189 |
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| 190 | inline int QRect::right() const
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| 191 | { return x2; }
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| 192 |
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| 193 | inline int QRect::bottom() const
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| 194 | { return y2; }
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| 195 |
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| 196 | inline QCOORD &QRect::rLeft()
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| 197 | { return x1; }
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| 198 |
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| 199 | inline QCOORD & QRect::rTop()
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| 200 | { return y1; }
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| 201 |
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| 202 | inline QCOORD & QRect::rRight()
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| 203 | { return x2; }
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| 204 |
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| 205 | inline QCOORD & QRect::rBottom()
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| 206 | { return y2; }
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| 207 |
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| 208 | inline int QRect::x() const
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| 209 | { return x1; }
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| 210 |
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| 211 | inline int QRect::y() const
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| 212 | { return y1; }
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| 213 |
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| 214 | inline void QRect::setLeft( int pos )
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| 215 | { x1 = (QCOORD)pos; }
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| 216 |
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| 217 | inline void QRect::setTop( int pos )
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| 218 | { y1 = (QCOORD)pos; }
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| 219 |
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| 220 | inline void QRect::setRight( int pos )
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| 221 | { x2 = (QCOORD)pos; }
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| 222 |
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| 223 | inline void QRect::setBottom( int pos )
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| 224 | { y2 = (QCOORD)pos; }
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| 225 |
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| 226 | inline void QRect::setX( int x )
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| 227 | { x1 = (QCOORD)x; }
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| 228 |
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| 229 | inline void QRect::setY( int y )
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| 230 | { y1 = (QCOORD)y; }
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| 231 |
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| 232 | inline QPoint QRect::topLeft() const
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| 233 | { return QPoint(x1, y1); }
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| 234 |
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| 235 | inline QPoint QRect::bottomRight() const
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| 236 | { return QPoint(x2, y2); }
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| 237 |
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| 238 | inline QPoint QRect::topRight() const
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| 239 | { return QPoint(x2, y1); }
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| 240 |
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| 241 | inline QPoint QRect::bottomLeft() const
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| 242 | { return QPoint(x1, y2); }
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| 243 |
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| 244 | inline QPoint QRect::center() const
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| 245 | { return QPoint((x1+x2)/2, (y1+y2)/2); }
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| 246 |
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| 247 | inline int QRect::width() const
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| 248 | { return x2 - x1 + 1; }
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| 249 |
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| 250 | inline int QRect::height() const
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| 251 | { return y2 - y1 + 1; }
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| 252 |
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| 253 | inline QSize QRect::size() const
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| 254 | { return QSize(x2-x1+1, y2-y1+1); }
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| 255 |
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| 256 | inline bool QRect::contains( int x, int y, bool proper ) const
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| 257 | {
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| 258 | if ( proper )
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| 259 | return x > x1 && x < x2 &&
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| 260 | y > y1 && y < y2;
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| 261 | else
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| 262 | return x >= x1 && x <= x2 &&
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| 263 | y >= y1 && y <= y2;
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| 264 | }
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| 265 |
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| 266 | inline bool QRect::contains( int x, int y ) const
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| 267 | {
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| 268 | return x >= x1 && x <= x2 &&
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| 269 | y >= y1 && y <= y2;
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| 270 | }
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| 271 | #define Q_DEFINED_QRECT
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| 272 | #include "qwinexport.h"
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| 273 | #endif // QRECT_H
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