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https://github.com/RGBCube/serenity
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c21eb30a2b
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.
58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
/*
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* Copyright (c) 2022-2023, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/HashMap.h>
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#include <AK/NonnullOwnPtr.h>
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#include <AK/OwnPtr.h>
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#include <LibCore/EventLoopImplementation.h>
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#include <QEventLoop>
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#include <QSocketNotifier>
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#include <QTimer>
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namespace Ladybird {
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class EventLoopImplementationQt final : public Core::EventLoopImplementation {
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public:
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static NonnullOwnPtr<EventLoopImplementationQt> create() { return adopt_own(*new EventLoopImplementationQt); }
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virtual ~EventLoopImplementationQt() override;
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virtual int exec() override;
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virtual size_t pump(PumpMode) override;
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virtual void quit(int) override;
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virtual void wake() override;
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virtual void deferred_invoke(Function<void()>) override;
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virtual int register_timer(Core::Object&, int milliseconds, bool should_reload, Core::TimerShouldFireWhenNotVisible) override;
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virtual bool unregister_timer(int timer_id) override;
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virtual void register_notifier(Core::Notifier&) override;
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virtual void unregister_notifier(Core::Notifier&) override;
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virtual void did_post_event() override;
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// FIXME: These APIs only exist for obscure use-cases inside SerenityOS. Try to get rid of them.
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virtual void unquit() override { }
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virtual bool was_exit_requested() const override { return false; }
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virtual void notify_forked_and_in_child() override { }
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virtual int register_signal(int, Function<void(int)>) override { return 0; }
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virtual void unregister_signal(int) override { }
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void set_main_loop() { m_main_loop = true; }
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private:
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EventLoopImplementationQt();
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bool is_main_loop() const { return m_main_loop; }
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QEventLoop m_event_loop;
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QTimer m_process_core_events_timer;
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bool m_main_loop { false };
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};
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}
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