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https://github.com/kovidgoyal/kitty.git
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101 lines
3.5 KiB
C
Vendored
101 lines
3.5 KiB
C
Vendored
//========================================================================
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// GLFW 3.4
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//------------------------------------------------------------------------
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// Copyright (c) 2014 Kovid Goyal
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#pragma once
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#include "../kitty/monotonic.h"
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#include <poll.h>
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#include <unistd.h>
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#include <stdbool.h>
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#include <sys/types.h>
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#ifdef __has_include
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#if __has_include(<sys/eventfd.h>)
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#define HAS_EVENT_FD
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#include <sys/eventfd.h>
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#endif
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#else
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#define HAS_EVENT_FD
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#include <sys/eventfd.h>
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#endif
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typedef unsigned long long id_type;
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typedef void(*watch_callback_func)(int, int, void*);
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typedef void(*timer_callback_func)(id_type, void*);
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typedef void (* GLFWuserdatafreefun)(id_type, void*);
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typedef struct {
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int fd, events, enabled, ready;
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watch_callback_func callback;
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void *callback_data;
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GLFWuserdatafreefun free;
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id_type id;
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const char *name;
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} Watch;
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typedef struct {
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id_type id;
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monotonic_t interval, trigger_at;
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timer_callback_func callback;
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void *callback_data;
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GLFWuserdatafreefun free;
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const char *name;
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bool repeats;
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} Timer;
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typedef struct {
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struct pollfd fds[32];
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#ifdef HAS_EVENT_FD
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int wakeupFd;
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#else
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int wakeupFds[2];
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#endif
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bool wakeup_data_read, wakeup_fd_ready;
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nfds_t watches_count, timers_count;
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Watch watches[32];
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Timer timers[128];
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} EventLoopData;
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void check_for_wakeup_events(EventLoopData *eld);
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id_type addWatch(EventLoopData *eld, const char *name, int fd, int events, int enabled, watch_callback_func cb, void *cb_data);
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void removeWatch(EventLoopData *eld, id_type watch_id);
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void toggleWatch(EventLoopData *eld, id_type watch_id, int enabled);
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id_type addTimer(EventLoopData *eld, const char *name, monotonic_t interval, int enabled, bool repeats, timer_callback_func cb, void *cb_data, GLFWuserdatafreefun free);
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void removeTimer(EventLoopData *eld, id_type timer_id);
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void removeAllTimers(EventLoopData *eld);
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void toggleTimer(EventLoopData *eld, id_type timer_id, int enabled);
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void changeTimerInterval(EventLoopData *eld, id_type timer_id, monotonic_t interval);
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monotonic_t prepareForPoll(EventLoopData *eld, monotonic_t timeout);
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int pollWithTimeout(struct pollfd *fds, nfds_t nfds, monotonic_t timeout);
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int pollForEvents(EventLoopData *eld, monotonic_t timeout, watch_callback_func);
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unsigned dispatchTimers(EventLoopData *eld);
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void finalizePollData(EventLoopData *eld);
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bool initPollData(EventLoopData *eld, int display_fd);
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void wakeupEventLoop(EventLoopData *eld);
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char* utf_8_strndup(const char* source, size_t max_length);
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int createAnonymousFile(off_t size);
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