blob: 9c3eddeb4d19d783c189160f1369c3ea3b6c2bce (
plain)
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
|
/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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-3.0.html.
**
****************************************************************************/
#pragma once
#include <QAbstractEventDispatcher>
#include <QCoreApplication>
#include <QThread>
#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
template<typename CallableType>
class CallableEvent : public QEvent
{
public:
using Callable = std::decay_t<CallableType>;
CallableEvent(Callable &&callable)
: QEvent(QEvent::None)
, callable(std::move(callable))
{}
CallableEvent(const Callable &callable)
: QEvent(QEvent::None)
, callable(callable)
{}
~CallableEvent() { callable(); }
public:
Callable callable;
};
template<typename Callable>
void executeInLoop(Callable &&callable, QObject *object = QCoreApplication::instance())
{
if (QThread *thread = qobject_cast<QThread *>(object))
object = QAbstractEventDispatcher::instance(thread);
QCoreApplication::postEvent(object,
new CallableEvent<Callable>(std::forward<Callable>(callable)),
Qt::HighEventPriority);
}
#else
template<typename Callable>
void executeInLoop(Callable &&callable, QObject *object = QCoreApplication::instance())
{
if (QThread *thread = qobject_cast<QThread *>(object))
object = QAbstractEventDispatcher::instance(thread);
QMetaObject::invokeMethod(object, std::forward<Callable>(callable));
}
#endif
|
