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kakoune/src/event_manager.hh

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#ifndef event_manager_hh_INCLUDED
#define event_manager_hh_INCLUDED
#include "utils.hh"
namespace Kakoune
{
class FDWatcher
{
public:
using Callback = std::function<void (FDWatcher& watcher)>;
FDWatcher(int fd, Callback callback);
~FDWatcher();
int fd() const { return m_fd; }
void run() { m_callback(*this); }
private:
int m_fd;
Callback m_callback;
};
// The EventManager provides an interface to file descriptor
// based event handling.
//
// The program main loop should call handle_next_events()
// until it's time to quit.
class EventManager : public Singleton<EventManager>
{
public:
EventManager();
~EventManager();
void handle_next_events();
// force the watchers associated with fd to be executed
// on next handle_next_events call.
void force_signal(int fd);
private:
friend class FDWatcher;
Set<FDWatcher*> m_fd_watchers;
std::vector<int> m_forced_fd;
};
}
#endif // event_manager_hh_INCLUDED