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
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGRAPHICSLAYOUTITEM_H
#define QGRAPHICSLAYOUTITEM_H
#include <QtGui/qsizepolicy.h>
#include <QtGui/qevent.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
class QGraphicsLayoutItemPrivate;
class QGraphicsItem;
class Q_GUI_EXPORT QGraphicsLayoutItem
{
public:
QGraphicsLayoutItem(QGraphicsLayoutItem *parent = 0, bool isLayout = false);
virtual ~QGraphicsLayoutItem();
void setSizePolicy(const QSizePolicy &policy);
void setSizePolicy(QSizePolicy::Policy hPolicy, QSizePolicy::Policy vPolicy, QSizePolicy::ControlType controlType = QSizePolicy::DefaultType);
QSizePolicy sizePolicy() const;
void setMinimumSize(const QSizeF &size);
inline void setMinimumSize(qreal w, qreal h);
QSizeF minimumSize() const;
void setMinimumWidth(qreal width);
inline qreal minimumWidth() const;
void setMinimumHeight(qreal height);
inline qreal minimumHeight() const;
void setPreferredSize(const QSizeF &size);
inline void setPreferredSize(qreal w, qreal h);
QSizeF preferredSize() const;
void setPreferredWidth(qreal width);
inline qreal preferredWidth() const;
void setPreferredHeight(qreal height);
inline qreal preferredHeight() const;
void setMaximumSize(const QSizeF &size);
inline void setMaximumSize(qreal w, qreal h);
QSizeF maximumSize() const;
void setMaximumWidth(qreal width);
inline qreal maximumWidth() const;
void setMaximumHeight(qreal height);
inline qreal maximumHeight() const;
virtual void setGeometry(const QRectF &rect);
QRectF geometry() const;
virtual void getContentsMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const;
QRectF contentsRect() const;
QSizeF effectiveSizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
virtual void updateGeometry(); //### rename to sizeHintChanged()
QGraphicsLayoutItem *parentLayoutItem() const;
void setParentLayoutItem(QGraphicsLayoutItem *parent);
bool isLayout() const;
// ###Qt5: Make automatic reparenting work regardless of item/object/widget type.
QGraphicsItem *graphicsItem() const;
bool ownedByLayout() const;
protected:
void setGraphicsItem(QGraphicsItem *item);
void setOwnedByLayout(bool ownedByLayout);
QGraphicsLayoutItem(QGraphicsLayoutItemPrivate &dd);
virtual QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const = 0;
QGraphicsLayoutItemPrivate *d_ptr;
private:
QSizeF *effectiveSizeHints(const QSizeF &constraint) const;
Q_DECLARE_PRIVATE(QGraphicsLayoutItem)
friend class QGraphicsLayout;
};
inline void QGraphicsLayoutItem::setMinimumSize(qreal aw, qreal ah)
{ setMinimumSize(QSizeF(aw, ah)); }
inline void QGraphicsLayoutItem::setPreferredSize(qreal aw, qreal ah)
{ setPreferredSize(QSizeF(aw, ah)); }
inline void QGraphicsLayoutItem::setMaximumSize(qreal aw, qreal ah)
{ setMaximumSize(QSizeF(aw, ah)); }
inline qreal QGraphicsLayoutItem::minimumWidth() const
{ return effectiveSizeHint(Qt::MinimumSize).width(); }
inline qreal QGraphicsLayoutItem::minimumHeight() const
{ return effectiveSizeHint(Qt::MinimumSize).height(); }
inline qreal QGraphicsLayoutItem::preferredWidth() const
{ return effectiveSizeHint(Qt::PreferredSize).width(); }
inline qreal QGraphicsLayoutItem::preferredHeight() const
{ return effectiveSizeHint(Qt::PreferredSize).height(); }
inline qreal QGraphicsLayoutItem::maximumWidth() const
{ return effectiveSizeHint(Qt::MaximumSize).width(); }
inline qreal QGraphicsLayoutItem::maximumHeight() const
{ return effectiveSizeHint(Qt::MaximumSize).height(); }
#endif
QT_END_NAMESPACE
QT_END_HEADER
#endif
|
