dolphin/Source/Core/DolphinQt/QtUtils/QueueOnObject.h
Pierre Bourdon e149ad4f0a
treewide: convert GPLv2+ license info to SPDX tags
SPDX standardizes how source code conveys its copyright and licensing
information. See https://spdx.github.io/spdx-spec/1-rationale/ . SPDX
tags are adopted in many large projects, including things like the Linux
kernel.
2021-07-05 04:35:56 +02:00

20 lines
648 B
C++

// Copyright 2017 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <QObject>
#include <utility>
// QWidget and subclasses are not thread-safe! However, Qt's signal-slot connection mechanism will
// invoke slots/functions on the correct thread for any object. We can (ab)use this to queue up
// arbitrary code from non-GUI threads. For more information, see:
// https://stackoverflow.com/questions/21646467/
template <typename T, typename F>
static void QueueOnObject(T* obj, F&& func)
{
QObject src;
QObject::connect(&src, &QObject::destroyed, obj, std::forward<F>(func), Qt::QueuedConnection);
}