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Ladybird+LibCore: Use QCoreApplication to drive the main Qt event loop

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Using QEventLoop works for everything but it breaks *one* little feature
that we care about: automatically quitting the app when all windows have
been closed.

That only works if you drive the outermost main event loop with a
QCoreApplication instead of a QEventLoop. This is unfortunate, as it
complicates our API a little bit, but I'm sure we can think of a way to
make this nicer someday.

In order for QCoreApplication::exec() to process our own
ThreadEventQueue, we now have a zero-timer that we kick whenever new
events are posted to the thread queue.
This commit is contained in:
Andreas Kling 2023-04-25 16:53:07 +02:00
parent 0f22dfa634
commit c21eb30a2b
9 changed files with 79 additions and 25 deletions
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2
Userland/Libraries/LibCore/EventLoopImplementationUnix.h
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@ -31,6 +31,8 @@ public:
virtual void register_notifier(Notifier&) override;
virtual void unregister_notifier(Notifier&) override;
virtual void did_post_event() override;
virtual void unquit() override;
virtual bool was_exit_requested() const override;
virtual void notify_forked_and_in_child() override;