[Qt-interest] how to set up loop with timer

[Eirik Ulvik]

Den 06.05.2010 09:55, skrev Hannu Shemeikka:
> Hi,
> 
> You could use something like this:
> 
> timer = new QTimer(this);
> connect(this->timer, SIGNAL(timeout()), rThread, SLOT(yourSlotName()));
> this->timer->start(2000); // 1 = 1 ms
> 
> This fires slot 'yourSlotName' in rThread (another QThread class) every
> 2 seconds.
> 
> Or in the constructor of your thread:
> 
> timer = new QTimer(this);
> connect(this->timer, SIGNAL(timeout()), this, SLOT(yourSlotName()));
> this->timer->start(2000); // 1 = 1 ms
> 
If you want to do this in its own thread remember to start the threads
own event loop in the run function ie.:

class MyThread : public QThread
run()
{
  exec();
}

There is also some problems with this approach. To get it working I used
the recipe found here:
http://lists.trolltech.com/qt-interest/2007-09/thread00073-0.html.

Good luck
Eirik

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