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4b15dd2bca
These functions don't exit immediately, but rather on the next iteration of the event loop. Since exit() is already used by the standard library, let's call it quit() instead. That way, saying exit() means the same thing here as anywhere else.
81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
#pragma once
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#include "GEvent.h"
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#include <AK/Badge.h>
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#include <AK/HashMap.h>
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#include <AK/OwnPtr.h>
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#include <AK/Vector.h>
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#include <WindowServer/WSAPITypes.h>
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class GObject;
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class GNotifier;
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class GWindow;
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class GEventLoop {
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public:
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GEventLoop();
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~GEventLoop();
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int exec();
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void post_event(GObject* receiver, OwnPtr<GEvent>&&);
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static GEventLoop& main();
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static void initialize();
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bool running() const { return m_running; }
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int register_timer(GObject&, int milliseconds, bool should_reload);
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bool unregister_timer(int timer_id);
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void register_notifier(Badge<GNotifier>, GNotifier&);
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void unregister_notifier(Badge<GNotifier>, GNotifier&);
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void quit(int);
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bool post_message_to_server(const WSAPI_ClientMessage&);
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bool wait_for_specific_event(WSAPI_ServerMessage::Type, WSAPI_ServerMessage&);
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WSAPI_ServerMessage sync_request(const WSAPI_ClientMessage& request, WSAPI_ServerMessage::Type response_type);
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private:
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void wait_for_event();
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bool drain_messages_from_server();
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void handle_paint_event(const WSAPI_ServerMessage&, GWindow&);
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void handle_mouse_event(const WSAPI_ServerMessage&, GWindow&);
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void handle_key_event(const WSAPI_ServerMessage&, GWindow&);
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void handle_window_activation_event(const WSAPI_ServerMessage&, GWindow&);
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void handle_window_close_request_event(const WSAPI_ServerMessage&, GWindow&);
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void handle_menu_event(const WSAPI_ServerMessage&);
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void get_next_timer_expiration(timeval&);
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struct QueuedEvent {
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GObject* receiver { nullptr };
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OwnPtr<GEvent> event;
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};
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Vector<QueuedEvent> m_queued_events;
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Vector<WSAPI_ServerMessage> m_unprocessed_messages;
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int m_event_fd { -1 };
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bool m_running { false };
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bool m_exit_requested { false };
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int m_exit_code { 0 };
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int m_next_timer_id { 1 };
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struct EventLoopTimer {
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int timer_id { 0 };
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int interval { 0 };
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timeval fire_time;
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bool should_reload { false };
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GObject* owner { nullptr };
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void reload();
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bool has_expired() const;
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};
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HashMap<int, OwnPtr<EventLoopTimer>> m_timers;
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HashTable<GNotifier*> m_notifiers;
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};
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