blob: 8847849f4e0887963b101a44fc507c6230f6085d (
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
|
#pragma once
#include <QObject>
#include <functional>
namespace async {
/*
* A helper class to invoke a method in a different thread using the event loop.
* The ThreadBoundary object must live in the thread where the function should be called.
*/
class ThreadBoundary : public QObject {
Q_OBJECT
public:
ThreadBoundary();
virtual ~ThreadBoundary();
//Call in worker thread
void callInMainThread(std::function<void()> f) {
QMetaObject::invokeMethod(this, "addValueInMainThread", Qt::QueuedConnection, QGenericReturnArgument(), Q_ARG(std::function<void()>, f));
}
public slots:
//Get's called in main thread by it's eventloop
void addValueInMainThread(std::function<void()> f) {
f();
}
};
}
|