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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>qheader.h</h1>
33
34<p>This is the verbatim text of the qheader.h include file. It is provided only for illustration; the copyright remains with Trolltech.
35<hr>
36<pre>
37/****************************************************************************
38** $Id: qheader-h.html 2051 2007-02-21 10:04:20Z chehrlic $
39**
40** Definition of QHeader widget class (table header)
41**
42** Created : 961105
43**
44** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
45**
46** This file is part of the widgets module of the Qt GUI Toolkit.
47**
48** This file may be distributed under the terms of the Q Public License
49** as defined by Trolltech ASA of Norway and appearing in the file
50** LICENSE.QPL included in the packaging of this file.
51**
52** This file may be distributed and/or modified under the terms of the
53** GNU General Public License version 2 as published by the Free Software
54** Foundation and appearing in the file LICENSE.GPL included in the
55** packaging of this file.
56**
57** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
58** licenses may use this file in accordance with the Qt Commercial License
59** Agreement provided with the Software.
60**
61** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
62** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
63**
64** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
65** information about Qt Commercial License Agreements.
66** See http://www.trolltech.com/qpl/ for QPL licensing information.
67** See http://www.trolltech.com/gpl/ for GPL licensing information.
68**
69** Contact info@trolltech.com if any conditions of this licensing are
70** not clear to you.
71**
72**********************************************************************/
73
74#ifndef QHEADER_H
75#define QHEADER_H
76
77#ifndef QT_H
78#include "qwidget.h"
79#include "qstring.h"
80#include "qiconset.h" // conversion QPixmap-&gt;QIconset
81#endif // QT_H
82
83#ifndef QT_NO_HEADER
84
85class QShowEvent;
86class QHeaderData;
87class QTable;
88
89class Q_EXPORT QHeader : public QWidget
90{
91 friend class QTable;
92 friend class QTableHeader;
93 friend class QListView;
94
95 Q_OBJECT
96 Q_PROPERTY( Orientation orientation READ orientation WRITE setOrientation )
97 Q_PROPERTY( bool tracking READ tracking WRITE setTracking )
98 Q_PROPERTY( int count READ count )
99 Q_PROPERTY( int offset READ offset WRITE setOffset )
100 Q_PROPERTY( bool moving READ isMovingEnabled WRITE setMovingEnabled )
101 Q_PROPERTY( bool stretching READ isStretchEnabled WRITE setStretchEnabled )
102
103public:
104 QHeader( QWidget* parent=0, const char* name=0 );
105 QHeader( int, QWidget* parent=0, const char* name=0 );
106 ~QHeader();
107
108 int addLabel( const QString &amp;, int size = -1 );
109 int addLabel( const QIconSet&amp;, const QString &amp;, int size = -1 );
110 void removeLabel( int section );
111 virtual void setLabel( int, const QString &amp;, int size = -1 );
112 virtual void setLabel( int, const QIconSet&amp;, const QString &amp;, int size = -1 );
113 QString label( int section ) const;
114 QIconSet* iconSet( int section ) const;
115
116 virtual void setOrientation( Orientation );
117 Orientation orientation() const;
118 virtual void setTracking( bool enable );
119 bool tracking() const;
120
121 virtual void setClickEnabled( bool, int section = -1 );
122 virtual void setResizeEnabled( bool, int section = -1 );
123 virtual void setMovingEnabled( bool );
124 virtual void setStretchEnabled( bool b, int section );
125 void setStretchEnabled( bool b ) { setStretchEnabled( b, -1 ); }
126 bool isClickEnabled( int section = -1 ) const;
127 bool isResizeEnabled( int section = -1 ) const;
128 bool isMovingEnabled() const;
129 bool isStretchEnabled() const;
130 bool isStretchEnabled( int section ) const;
131
132 void resizeSection( int section, int s );
133 int sectionSize( int section ) const;
134 int sectionPos( int section ) const;
135 int sectionAt( int pos ) const;
136 int count() const;
137 int headerWidth() const;
138 QRect sectionRect( int section ) const;
139
140 virtual void setCellSize( int , int ); // obsolete, do not use
141 int cellSize( int i ) const { return sectionSize( mapToSection(i) ); } // obsolete, do not use
142 int cellPos( int ) const; // obsolete, do not use
143 int cellAt( int pos ) const { return mapToIndex( sectionAt(pos + offset()) ); } // obsolete, do not use
144
145 int offset() const;
146
147 QSize sizeHint() const;
148
149 int mapToSection( int index ) const;
150 int mapToIndex( int section ) const;
151 int mapToLogical( int ) const; // obsolete, do not use
152 int mapToActual( int ) const; // obsolete, do not use
153
154 void moveSection( int section, int toIndex );
155 virtual void moveCell( int, int); // obsolete, do not use
156
157 void setSortIndicator( int section, bool ascending = TRUE ); // obsolete, do not use
158 inline void setSortIndicator( int section, SortOrder order )
159 { setSortIndicator( section, (order == Ascending) ); }
160 int sortIndicatorSection() const;
161 SortOrder sortIndicatorOrder() const;
162
163 void adjustHeaderSize() { adjustHeaderSize( -1 ); }
164
165public slots:
166 void setUpdatesEnabled( bool enable );
167 virtual void setOffset( int pos );
168
169signals:
170 void clicked( int section );
171 void pressed( int section );
172 void released( int section );
173 void sizeChange( int section, int oldSize, int newSize );
174 void indexChange( int section, int fromIndex, int toIndex );
175 void sectionClicked( int ); // obsolete, do not use
176 void moved( int, int ); // obsolete, do not use
177 void sectionHandleDoubleClicked( int section );
178
179protected:
180 void paintEvent( QPaintEvent * );
181 void showEvent( QShowEvent *e );
182 void resizeEvent( QResizeEvent *e );
183 QRect sRect( int index );
184
185 virtual void paintSection( QPainter *p, int index, const QRect&amp; fr);
186 virtual void paintSectionLabel( QPainter* p, int index, const QRect&amp; fr );
187
188 void fontChange( const QFont &amp; );
189
190 void mousePressEvent( QMouseEvent * );
191 void mouseReleaseEvent( QMouseEvent * );
192 void mouseMoveEvent( QMouseEvent * );
193 void mouseDoubleClickEvent( QMouseEvent * );
194
195 void keyPressEvent( QKeyEvent * );
196 void keyReleaseEvent( QKeyEvent * );
197
198private:
199 void handleColumnMove( int fromIdx, int toIdx );
200 void adjustHeaderSize( int diff );
201 void init( int );
202
203 void paintRect( int p, int s );
204 void markLine( int idx );
205 void unMarkLine( int idx );
206 int pPos( int i ) const;
207 int pSize( int i ) const;
208 int findLine( int );
209 int handleAt( int p );
210 bool reverse() const;
211 void calculatePositions( bool onlyVisible = FALSE, int start = 0 );
212 void handleColumnResize(int, int, bool, bool = TRUE );
213 QSize sectionSizeHint( int section, const QFontMetrics&amp; fm ) const;
214 void setSectionSizeAndHeight( int section, int size );
215
216 void resizeArrays( int size );
217 void setIsATableHeader( bool b );
218 int offs;
219 int handleIdx;
220 int oldHIdxSize;
221 int moveToIdx;
222 enum State { Idle, Sliding, Pressed, Moving, Blocked };
223 State state;
224 QCOORD clickPos;
225 bool trackingIsOn;
226 int oldHandleIdx;
227 int cachedPos; // not used
228 Orientation orient;
229
230 QHeaderData *d;
231
232private: // Disabled copy constructor and operator=
233#if defined(Q_DISABLE_COPY)
234 QHeader( const QHeader &amp; );
235 QHeader &amp;operator=( const QHeader &amp; );
236#endif
237};
238
239
240inline QHeader::Orientation QHeader::orientation() const
241{
242 return orient;
243}
244
245inline void QHeader::setTracking( bool enable ) { trackingIsOn = enable; }
246inline bool QHeader::tracking() const { return trackingIsOn; }
247
248extern Q_EXPORT bool qt_qheader_label_return_null_strings; // needed for professional edition
249
250#endif // QT_NO_HEADER
251
252#endif // QHEADER_H
253</pre>
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257<td>Copyright &copy; 2007
258<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
259<td align=right><div align=right>Qt 3.3.8</div>
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