[Interest] Set a timer for a different thread

Jérôme Godbout godboutj at amotus.ca
Wed Apr 24 23:40:27 CEST 2019

You can put the timer child of the object, so moveToThread() should move the children too:

-----Original Message-----
From: Interest <interest-bounces at qt-project.org> On Behalf Of Tom Isaacson
Sent: April 24, 2019 5:11 PM
To: Interest at qt-project.org
Subject: [Interest] Set a timer for a different thread

I've got some legacy code where a timer is firing on the wrong thread. The sequence is:
1. Thread instantiates MyClass.
2. MyClass constructor calls QTimer::singleShot(60 * 1000, this, &MyClass::OnTimer); 3. Move class to thread by calling MyClass.moveToThread(); 4. OnTimer is called on the wrong thread.

I assume because the constructor sets the timer before the class is moved to the thread, the timer is firing on the wrong thread. Obviously I can move the timer to a different function then call that after moveToThread() but is there a standard way of fixing this?

Tom Isaacson

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