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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.
55 lines
1.4 KiB
C++
55 lines
1.4 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/Function.h>
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#include <LibCore/Forward.h>
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namespace Core {
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class ThreadEventQueue;
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class EventLoopImplementation {
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public:
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virtual ~EventLoopImplementation();
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enum class PumpMode {
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WaitForEvents,
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DontWaitForEvents,
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};
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void post_event(Object& receiver, NonnullOwnPtr<Event>&&);
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virtual int exec() = 0;
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virtual size_t pump(PumpMode) = 0;
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virtual void quit(int) = 0;
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virtual void wake() = 0;
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virtual void deferred_invoke(Function<void()>) = 0;
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virtual int register_timer(Object&, int milliseconds, bool should_reload, TimerShouldFireWhenNotVisible) = 0;
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virtual bool unregister_timer(int timer_id) = 0;
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virtual void register_notifier(Notifier&) = 0;
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virtual void unregister_notifier(Notifier&) = 0;
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virtual void did_post_event() = 0;
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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() = 0;
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virtual bool was_exit_requested() const = 0;
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virtual void notify_forked_and_in_child() = 0;
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virtual int register_signal(int signal_number, Function<void(int)> handler) = 0;
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virtual void unregister_signal(int handler_id) = 0;
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protected:
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EventLoopImplementation();
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ThreadEventQueue& m_thread_event_queue;
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};
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}
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