1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWidgets module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QLAYOUT_H
#define QLAYOUT_H
#include <QtWidgets/qtwidgetsglobal.h>
#include <QtCore/qobject.h>
#include <QtWidgets/qlayoutitem.h>
#include <QtWidgets/qsizepolicy.h>
#include <QtCore/qrect.h>
#include <QtCore/qmargins.h>
#include <limits.h>
QT_BEGIN_NAMESPACE
class QLayout;
class QSize;
class QLayoutPrivate;
class Q_WIDGETS_EXPORT QLayout : public QObject, public QLayoutItem
{
Q_OBJECT
Q_DECLARE_PRIVATE(QLayout)
Q_PROPERTY(int margin READ margin WRITE setMargin)
Q_PROPERTY(int spacing READ spacing WRITE setSpacing)
Q_PROPERTY(SizeConstraint sizeConstraint READ sizeConstraint WRITE setSizeConstraint)
public:
enum SizeConstraint {
SetDefaultConstraint,
SetNoConstraint,
SetMinimumSize,
SetFixedSize,
SetMaximumSize,
SetMinAndMaxSize
};
Q_ENUM(SizeConstraint)
QLayout(QWidget *parent);
QLayout();
~QLayout();
int margin() const;
int spacing() const;
void setMargin(int);
void setSpacing(int);
void setContentsMargins(int left, int top, int right, int bottom);
void setContentsMargins(const QMargins &margins);
void getContentsMargins(int *left, int *top, int *right, int *bottom) const;
QMargins contentsMargins() const;
QRect contentsRect() const;
bool setAlignment(QWidget *w, Qt::Alignment alignment);
bool setAlignment(QLayout *l, Qt::Alignment alignment);
using QLayoutItem::setAlignment;
void setSizeConstraint(SizeConstraint);
SizeConstraint sizeConstraint() const;
void setMenuBar(QWidget *w);
QWidget *menuBar() const;
QWidget *parentWidget() const;
void invalidate() Q_DECL_OVERRIDE;
QRect geometry() const Q_DECL_OVERRIDE;
bool activate();
void update();
void addWidget(QWidget *w);
virtual void addItem(QLayoutItem *) = 0;
void removeWidget(QWidget *w);
void removeItem(QLayoutItem *);
Qt::Orientations expandingDirections() const Q_DECL_OVERRIDE;
QSize minimumSize() const Q_DECL_OVERRIDE;
QSize maximumSize() const Q_DECL_OVERRIDE;
virtual void setGeometry(const QRect&) Q_DECL_OVERRIDE;
virtual QLayoutItem *itemAt(int index) const = 0;
virtual QLayoutItem *takeAt(int index) = 0;
virtual int indexOf(QWidget *) const;
virtual int count() const = 0;
bool isEmpty() const Q_DECL_OVERRIDE;
QSizePolicy::ControlTypes controlTypes() const Q_DECL_OVERRIDE;
// ### Qt 6 make this function virtual
QLayoutItem *replaceWidget(QWidget *from, QWidget *to, Qt::FindChildOptions options = Qt::FindChildrenRecursively);
int totalHeightForWidth(int w) const;
QSize totalMinimumSize() const;
QSize totalMaximumSize() const;
QSize totalSizeHint() const;
QLayout *layout() Q_DECL_OVERRIDE;
void setEnabled(bool);
bool isEnabled() const;
static QSize closestAcceptableSize(const QWidget *w, const QSize &s);
protected:
void widgetEvent(QEvent *);
void childEvent(QChildEvent *e) Q_DECL_OVERRIDE;
void addChildLayout(QLayout *l);
void addChildWidget(QWidget *w);
bool adoptLayout(QLayout *layout);
QRect alignmentRect(const QRect&) const;
protected:
QLayout(QLayoutPrivate &d, QLayout*, QWidget*);
private:
Q_DISABLE_COPY(QLayout)
static void activateRecursiveHelper(QLayoutItem *item);
friend class QApplicationPrivate;
friend class QWidget;
};
QT_END_NAMESPACE
//### support old includes
#include <QtWidgets/qboxlayout.h>
#include <QtWidgets/qgridlayout.h>
#endif // QLAYOUT_H
|
