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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
******************************************************************************/
#ifndef QLAYOUTPOLICY_H
#define QLAYOUTPOLICY_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtGui/private/qtguiglobal_p.h>
#include <QtCore/qobject.h>
#include <QtCore/qnamespace.h>
#ifndef QT_NO_DATASTREAM
# include <QtCore/qdatastream.h>
#endif
QT_BEGIN_NAMESPACE
class QVariant;
class Q_GUI_EXPORT QLayoutPolicy
{
Q_GADGET
Q_ENUMS(Policy)
public:
enum PolicyFlag {
GrowFlag = 1,
ExpandFlag = 2,
ShrinkFlag = 4,
IgnoreFlag = 8
};
enum Policy {
Fixed = 0,
Minimum = GrowFlag,
Maximum = ShrinkFlag,
Preferred = GrowFlag | ShrinkFlag,
MinimumExpanding = GrowFlag | ExpandFlag,
Expanding = GrowFlag | ShrinkFlag | ExpandFlag,
Ignored = ShrinkFlag | GrowFlag | IgnoreFlag
};
enum ControlType {
DefaultType = 0x00000001,
ButtonBox = 0x00000002,
CheckBox = 0x00000004,
ComboBox = 0x00000008,
Frame = 0x00000010,
GroupBox = 0x00000020,
Label = 0x00000040,
Line = 0x00000080,
LineEdit = 0x00000100,
PushButton = 0x00000200,
RadioButton = 0x00000400,
Slider = 0x00000800,
SpinBox = 0x00001000,
TabWidget = 0x00002000,
ToolButton = 0x00004000
};
Q_DECLARE_FLAGS(ControlTypes, ControlType)
QLayoutPolicy() : data(0) { }
QLayoutPolicy(Policy horizontal, Policy vertical, ControlType type = DefaultType)
: data(0) {
bits.horPolicy = horizontal;
bits.verPolicy = vertical;
setControlType(type);
}
Policy horizontalPolicy() const { return static_cast<Policy>(bits.horPolicy); }
Policy verticalPolicy() const { return static_cast<Policy>(bits.verPolicy); }
ControlType controlType() const;
void setHorizontalPolicy(Policy d) { bits.horPolicy = d; }
void setVerticalPolicy(Policy d) { bits.verPolicy = d; }
void setControlType(ControlType type);
Qt::Orientations expandingDirections() const {
Qt::Orientations result;
if (verticalPolicy() & ExpandFlag)
result |= Qt::Vertical;
if (horizontalPolicy() & ExpandFlag)
result |= Qt::Horizontal;
return result;
}
void setHeightForWidth(bool b) { bits.hfw = b; }
bool hasHeightForWidth() const { return bits.hfw; }
void setWidthForHeight(bool b) { bits.wfh = b; }
bool hasWidthForHeight() const { return bits.wfh; }
bool operator==(const QLayoutPolicy& s) const { return data == s.data; }
bool operator!=(const QLayoutPolicy& s) const { return data != s.data; }
int horizontalStretch() const { return static_cast<int>(bits.horStretch); }
int verticalStretch() const { return static_cast<int>(bits.verStretch); }
void setHorizontalStretch(int stretchFactor) { bits.horStretch = static_cast<quint32>(qBound(0, stretchFactor, 255)); }
void setVerticalStretch(int stretchFactor) { bits.verStretch = static_cast<quint32>(qBound(0, stretchFactor, 255)); }
void transpose();
private:
#ifndef QT_NO_DATASTREAM
friend QDataStream &operator<<(QDataStream &, const QLayoutPolicy &);
friend QDataStream &operator>>(QDataStream &, QLayoutPolicy &);
#endif
QLayoutPolicy(int i) : data(i) { }
union {
struct {
quint32 horStretch : 8;
quint32 verStretch : 8;
quint32 horPolicy : 4;
quint32 verPolicy : 4;
quint32 ctype : 5;
quint32 hfw : 1;
quint32 wfh : 1;
quint32 padding : 1; // feel free to use
} bits;
quint32 data;
};
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QLayoutPolicy::ControlTypes)
#ifndef QT_NO_DATASTREAM
QDataStream &operator<<(QDataStream &, const QLayoutPolicy &);
QDataStream &operator>>(QDataStream &, QLayoutPolicy &);
#endif
#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug dbg, const QLayoutPolicy &);
#endif
inline void QLayoutPolicy::transpose() {
Policy hData = horizontalPolicy();
Policy vData = verticalPolicy();
int hStretch = horizontalStretch();
int vStretch = verticalStretch();
setHorizontalPolicy(vData);
setVerticalPolicy(hData);
setHorizontalStretch(vStretch);
setVerticalStretch(hStretch);
}
QT_END_NAMESPACE
#endif // QLAYOUTPOLICY_H
|
