source: trunk/src/gui/text/qtextoption.cpp@ 219

Last change on this file since 219 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 10.5 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the QtGui module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "qtextoption.h"
43#include "qapplication.h"
44#include "qlist.h"
45
46QT_BEGIN_NAMESPACE
47
48struct QTextOptionPrivate
49{
50 QList<QTextOption::Tab> tabStops;
51};
52
53/*!
54 Constructs a text option with default properties for text.
55*/
56QTextOption::QTextOption()
57 : align(Qt::AlignLeft),
58 wordWrap(QTextOption::WordWrap),
59 design(false),
60 unused(0),
61 f(0),
62 tab(-1),
63 d(0)
64{
65 direction = QApplication::layoutDirection();
66}
67
68/*!
69 Constructs a text option with the given \a alignment for text.
70*/
71QTextOption::QTextOption(Qt::Alignment alignment)
72 : align(alignment),
73 wordWrap(QTextOption::WordWrap),
74 design(false),
75 unused(0),
76 f(0),
77 tab(-1),
78 d(0)
79{
80 direction = QApplication::layoutDirection();
81}
82
83/*!
84 Destroys the text option.
85*/
86QTextOption::~QTextOption()
87{
88 delete d;
89}
90
91/*!
92 \fn QTextOption::QTextOption(const QTextOption &other)
93
94 Construct a copy of the \a other text option.
95*/
96QTextOption::QTextOption(const QTextOption &o)
97 : align(o.align),
98 wordWrap(o.wordWrap),
99 design(o.design),
100 direction(o.direction),
101 unused(o.unused),
102 f(o.f),
103 tab(o.tab),
104 d(0)
105{
106 if (o.d)
107 d = new QTextOptionPrivate(*o.d);
108}
109
110/*!
111 \fn QTextOption &QTextOption::operator=(const QTextOption &other)
112
113 Returns true if the text option is the same as the \a other text option;
114 otherwise returns false.
115*/
116QTextOption &QTextOption::operator=(const QTextOption &o)
117{
118 if (this == &o)
119 return *this;
120 delete d; d = 0;
121 align = o.align;
122 wordWrap = o.wordWrap;
123 design = o.design;
124 direction = o.direction;
125 unused = o.unused;
126 f = o.f;
127 tab = o.tab;
128 if (o.d)
129 d = new QTextOptionPrivate(*o.d);
130 return *this;
131}
132
133/*!
134 Sets the tab positions for the text layout to those specified by
135 \a tabStops.
136
137 \sa tabArray(), setTabStop(), setTabs()
138*/
139void QTextOption::setTabArray(QList<qreal> tabStops)
140{
141 if (!d)
142 d = new QTextOptionPrivate;
143 QList<QTextOption::Tab> tabs;
144 QTextOption::Tab tab;
145 foreach (qreal pos, tabStops) {
146 tab.position = pos;
147 tabs.append(tab);
148 }
149 d->tabStops = tabs;
150}
151