1 /****************************************************************************
2 **
3 ** Copyright (C) 2015 The Qt Company Ltd.
4 ** Contact: http://www.qt.io/licensing/
5 **
6 ** This file is part of the QtGui module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and The Qt Company. For licensing terms
14 ** and conditions see http://www.qt.io/terms-conditions. For further
15 ** information use the contact form at http://www.qt.io/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 2.1 or version 3 as published by the Free
20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
22 ** following information to ensure the GNU Lesser General Public License
23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
25 **
26 ** As a special exception, The Qt Company gives you certain additional
27 ** rights. These rights are described in The Qt Company LGPL Exception
28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
29 **
30 ** GNU General Public License Usage
31 ** Alternatively, this file may be used under the terms of the GNU
32 ** General Public License version 3.0 as published by the Free Software
33 ** Foundation and appearing in the file LICENSE.GPL included in the
34 ** packaging of this file.  Please review the following information to
35 ** ensure the GNU General Public License version 3.0 requirements will be
36 ** met: http://www.gnu.org/copyleft/gpl.html.
37 **
38 ** $QT_END_LICENSE$
39 **
40 ****************************************************************************/
41 
42 #ifndef QTEXTOPTION_H
43 #define QTEXTOPTION_H
44 
45 #include <QtCore/qnamespace.h>
46 #include <QtCore/qchar.h>
47 #include <QtCore/qmetatype.h>
48 
49 
50 QT_BEGIN_HEADER
51 
52 QT_BEGIN_NAMESPACE
53 
54 QT_MODULE(Gui)
55 
56 template <typename T> class QList;
57 struct QTextOptionPrivate;
58 
59 class Q_GUI_EXPORT QTextOption
60 {
61 public:
62     enum TabType {
63         LeftTab,
64         RightTab,
65         CenterTab,
66         DelimiterTab
67     };
68 
69     struct Q_GUI_EXPORT Tab {
TabTab70         inline Tab() : position(80), type(QTextOption::LeftTab) { }
71         inline Tab(qreal pos, TabType tabType, QChar delim = QChar())
positionTab72             : position(pos), type(tabType), delimiter(delim) {}
73 
74         inline bool operator==(const Tab &other) const {
75             return type == other.type
76                    && qFuzzyCompare(position, other.position)
77                    && delimiter == other.delimiter;
78         }
79 
80         inline bool operator!=(const Tab &other) const {
81             return !operator==(other);
82         }
83 
84         qreal position;
85         TabType type;
86         QChar delimiter;
87     };
88 
89     QTextOption();
90     QTextOption(Qt::Alignment alignment);
91     ~QTextOption();
92 
93     QTextOption(const QTextOption &o);
94     QTextOption &operator=(const QTextOption &o);
95 
96     inline void setAlignment(Qt::Alignment alignment);
alignment()97     inline Qt::Alignment alignment() const { return Qt::Alignment(align); }
98 
setTextDirection(Qt::LayoutDirection aDirection)99     inline void setTextDirection(Qt::LayoutDirection aDirection) { this->direction = aDirection; }
textDirection()100     inline Qt::LayoutDirection textDirection() const { return Qt::LayoutDirection(direction); }
101 
102     enum WrapMode {
103         NoWrap,
104         WordWrap,
105         ManualWrap,
106         WrapAnywhere,
107         WrapAtWordBoundaryOrAnywhere
108     };
setWrapMode(WrapMode wrap)109     inline void setWrapMode(WrapMode wrap) { wordWrap = wrap; }
wrapMode()110     inline WrapMode wrapMode() const { return static_cast<WrapMode>(wordWrap); }
111 
112     enum Flag {
113         ShowTabsAndSpaces = 0x1,
114         ShowLineAndParagraphSeparators = 0x2,
115         AddSpaceForLineAndParagraphSeparators = 0x4,
116         SuppressColors = 0x8,
117         IncludeTrailingSpaces = 0x80000000
118     };
119     Q_DECLARE_FLAGS(Flags, Flag)
120     inline void setFlags(Flags flags);
flags()121     inline Flags flags() const { return Flags(f); }
122 
123     inline void setTabStop(qreal tabStop);
tabStop()124     inline qreal tabStop() const { return tab; }
125 
126     void setTabArray(QList<qreal> tabStops);
127     QList<qreal> tabArray() const;
128 
129     void setTabs(QList<Tab> tabStops);
130     QList<Tab> tabs() const;
131 
setUseDesignMetrics(bool b)132     void setUseDesignMetrics(bool b) { design = b; }
useDesignMetrics()133     bool useDesignMetrics() const { return design; }
134 
135 private:
136     uint align : 8;
137     uint wordWrap : 4;
138     uint design : 1;
139     uint direction : 2;
140     uint unused : 18;
141     uint f;
142     qreal tab;
143     QTextOptionPrivate *d;
144 };
145 
Q_DECLARE_OPERATORS_FOR_FLAGS(QTextOption::Flags)146 Q_DECLARE_OPERATORS_FOR_FLAGS(QTextOption::Flags)
147 
148 inline void QTextOption::setAlignment(Qt::Alignment aalignment)
149 { align = aalignment; }
150 
setFlags(Flags aflags)151 inline void QTextOption::setFlags(Flags aflags)
152 { f = aflags; }
153 
setTabStop(qreal atabStop)154 inline void QTextOption::setTabStop(qreal atabStop)
155 { tab = atabStop; }
156 
157 QT_END_NAMESPACE
158 
159 Q_DECLARE_METATYPE( QTextOption::Tab )
160 
161 QT_END_HEADER
162 
163 #endif // QTEXTOPTION_H
164