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
|
// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QBINDINGSTORAGE_H
#define QBINDINGSTORAGE_H
#include <QtCore/qglobal.h>
#include <QtCore/qnamespace.h>
QT_BEGIN_NAMESPACE
template <typename Class, typename T, auto Offset, auto Setter, auto Signal, auto Getter>
class QObjectCompatProperty;
struct QPropertyDelayedNotifications;
class QUntypedPropertyData;
namespace QtPrivate {
class QPropertyBindingData;
struct BindingEvaluationState;
struct CompatPropertySafePoint;
}
struct QBindingStatus
{
QtPrivate::BindingEvaluationState *currentlyEvaluatingBinding = nullptr;
QtPrivate::CompatPropertySafePoint *currentCompatProperty = nullptr;
Qt::HANDLE threadId = nullptr;
QPropertyDelayedNotifications *groupUpdateData = nullptr;
};
namespace QtPrivate {
struct QBindingStatusAccessToken;
Q_AUTOTEST_EXPORT QBindingStatus *getBindingStatus(QBindingStatusAccessToken);
}
struct QBindingStorageData;
class Q_CORE_EXPORT QBindingStorage
{
mutable QBindingStorageData *d = nullptr;
QBindingStatus *bindingStatus = nullptr;
template<typename Class, typename T, auto Offset, auto Setter, auto Signal, auto Getter>
friend class QObjectCompatProperty;
friend class QObjectPrivate;
friend class QtPrivate::QPropertyBindingData;
public:
QBindingStorage();
~QBindingStorage();
bool isEmpty() { return !d; }
const QBindingStatus *status(QtPrivate::QBindingStatusAccessToken) const;
void registerDependency(const QUntypedPropertyData *data) const
{
if (!bindingStatus->currentlyEvaluatingBinding)
return;
registerDependency_helper(data);
}
QtPrivate::QPropertyBindingData *bindingData(const QUntypedPropertyData *data) const
{
if (!d)
return nullptr;
return bindingData_helper(data);
}
#if QT_CORE_REMOVED_SINCE(6, 2)
void maybeUpdateBindingAndRegister(const QUntypedPropertyData *data) const { registerDependency(data); }
#endif
QtPrivate::QPropertyBindingData *bindingData(QUntypedPropertyData *data, bool create)
{
if (!d && !create)
return nullptr;
return bindingData_helper(data, create);
}
private:
void reinitAfterThreadMove();
void clear();
void registerDependency_helper(const QUntypedPropertyData *data) const;
#if QT_CORE_REMOVED_SINCE(6, 2)
// ### Unused, but keep for BC
void maybeUpdateBindingAndRegister_helper(const QUntypedPropertyData *data) const;
#endif
QtPrivate::QPropertyBindingData *bindingData_helper(const QUntypedPropertyData *data) const;
QtPrivate::QPropertyBindingData *bindingData_helper(QUntypedPropertyData *data, bool create);
};
QT_END_NAMESPACE
#endif // QBINDINGSTORAGE_H
|
