tdesktop/Telegram/SourceFiles/base/invoke_queued.h

43 lines
887 B
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
#include <QtCore/QEvent>
#include <QtCore/QCoreApplication>
#include "base/basic_types.h"
namespace base {
class InvokeQueuedEvent : public QEvent {
public:
static constexpr auto kType = QEvent::Type(60666);
explicit InvokeQueuedEvent(FnMut<void()> &&method)
: QEvent(kType)
, _method(std::move(method)) {
}
void invoke() {
_method();
}
private:
FnMut<void()> _method;
};
} // namespace base
template <typename Lambda>
inline void InvokeQueued(const QObject *context, Lambda &&lambda) {
QCoreApplication::postEvent(
const_cast<QObject*>(context),
new base::InvokeQueuedEvent(std::forward<Lambda>(lambda)));
}