1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtWidgets 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 https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://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 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40#ifndef QBOXLAYOUT_H
41#define QBOXLAYOUT_H
42
43#include <QtWidgets/qtwidgetsglobal.h>
44#include <QtWidgets/qlayout.h>
45#ifdef QT_INCLUDE_COMPAT
46#include <QtWidgets/qwidget.h>
47#endif
48
49#include <limits.h>
50
51QT_BEGIN_NAMESPACE
52
53
54class QBoxLayoutPrivate;
55
56class Q_WIDGETS_EXPORT QBoxLayout : public QLayout
57{
58 Q_OBJECT
59 Q_DECLARE_PRIVATE(QBoxLayout)
60public:
61 enum Direction { LeftToRight, RightToLeft, TopToBottom, BottomToTop,
62 Down = TopToBottom, Up = BottomToTop };
63
64 explicit QBoxLayout(Direction, QWidget *parent = nullptr);
65
66 ~QBoxLayout();
67
68 Direction direction() const;
69 void setDirection(Direction);
70
71 void addSpacing(int size);
72 void addStretch(int stretch = 0);
73 void addSpacerItem(QSpacerItem *spacerItem);
74 void addWidget(QWidget *, int stretch = 0, Qt::Alignment alignment = Qt::Alignment());
75 void addLayout(QLayout *layout, int stretch = 0);
76 void addStrut(int);
77 void addItem(QLayoutItem *) override;
78
79 void insertSpacing(int index, int size);
80 void insertStretch(int index, int stretch = 0);
81 void insertSpacerItem(int index, QSpacerItem *spacerItem);
82 void insertWidget(int index, QWidget *widget, int stretch = 0, Qt::Alignment alignment = Qt::Alignment());
83 void insertLayout(int index, QLayout *layout, int stretch = 0);
84 void insertItem(int index, QLayoutItem *);
85
86 int spacing() const override;
87 void setSpacing(int spacing) override;
88
89 bool setStretchFactor(QWidget *w, int stretch);
90 bool setStretchFactor(QLayout *l, int stretch);
91 void setStretch(int index, int stretch);
92 int stretch(int index) const;
93
94 QSize sizeHint() const override;
95 QSize minimumSize() const override;
96 QSize maximumSize() const override;
97
98 bool hasHeightForWidth() const override;
99 int heightForWidth(int) const override;
100 int minimumHeightForWidth(int) const override;
101
102 Qt::Orientations expandingDirections() const override;
103 void invalidate() override;
104 QLayoutItem *itemAt(int) const override;
105 QLayoutItem *takeAt(int) override;
106 int count() const override;
107 void setGeometry(const QRect&) override;
108
109private:
110 Q_DISABLE_COPY(QBoxLayout)
111};
112
113class Q_WIDGETS_EXPORT QHBoxLayout : public QBoxLayout
114{
115 Q_OBJECT
116public:
117 QHBoxLayout();
118 explicit QHBoxLayout(QWidget *parent);
119 ~QHBoxLayout();
120
121
122private:
123 Q_DISABLE_COPY(QHBoxLayout)
124};
125
126class Q_WIDGETS_EXPORT QVBoxLayout : public QBoxLayout
127{
128 Q_OBJECT
129public:
130 QVBoxLayout();
131 explicit QVBoxLayout(QWidget *parent);
132 ~QVBoxLayout();
133
134
135private:
136 Q_DISABLE_COPY(QVBoxLayout)
137};
138
139QT_END_NAMESPACE
140
141#endif // QBOXLAYOUT_H
142