49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
#ifndef event_manager_hh_INCLUDED
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#define event_manager_hh_INCLUDED
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#include <poll.h>
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#include <unordered_map>
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#include "utils.hh"
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namespace Kakoune
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{
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using EventHandler = std::function<void (int fd)>;
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// The EventManager provides an interface to file descriptor
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// based event handling.
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//
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// The program main loop should call handle_next_events()
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// until it's time to quit.
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class EventManager : public Singleton<EventManager>
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{
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public:
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EventManager();
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// Watch the given file descriptor, when data becomes
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// ready, handler will be called with fd as parameter.
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// It is an error to register multiple handlers on the
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// same file descriptor.
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void watch(int fd, EventHandler handler);
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// stop watching fd
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void unwatch(int fd);
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void handle_next_events();
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// force the handler associated with fd to be executed
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// on next handle_next_events call.
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void force_signal(int fd);
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private:
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std::vector<pollfd> m_events;
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std::vector<std::unique_ptr<EventHandler>> m_handlers;
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std::vector<std::unique_ptr<EventHandler>> m_handlers_trash;
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std::vector<int> m_forced;
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};
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}
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#endif // event_manager_hh_INCLUDED
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