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//
// Definition of the part of the screen driver shared by X11 and Wayland platforms
// for the Fast Light Tool Kit (FLTK).
//
// Copyright 2021-2024 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
#ifndef FL_UNIX_SCREEN_DRIVER_H
#define FL_UNIX_SCREEN_DRIVER_H
#include <config.h>
#include "../../Fl_Screen_Driver.H"
# if USE_POLL
# include <poll.h>
# else
# if HAVE_SYS_SELECT_H
# include <sys/select.h>
# endif /* HAVE_SYS_SELECT_H */
// NetBSD before version 3.0 declares select() in "unistd.h" (#944):
// https://man.netbsd.org/NetBSD-2.1/select.2
# if defined(__NetBSD__)
# include <sys/param.h> // For '__NetBSD_Version__' definition
# if defined(__NetBSD_Version__) && (__NetBSD_Version__ < 300000000)
# include <sys/types.h>
# include <sys/time.h>
# include <unistd.h>
# endif // __NetBSD_Version__
# endif // __NetBSD__
# define POLLIN 1
# define POLLOUT 4
# define POLLERR 8
# endif /* USE_POLL */
class Fl_Unix_Screen_Driver : public Fl_Screen_Driver {
public:
# if USE_POLL
static pollfd *pollfds;
# else
static fd_set fdsets[3];
# endif
static int maxfd;
static int nfds;
static struct FD {
# if !USE_POLL
int fd;
short events;
# endif
void (*cb)(int, void*);
void* arg;
} *fd;
virtual int poll_or_select_with_delay(double time_to_wait);
virtual int poll_or_select();
virtual void *control_maximize_button(void *) { return NULL; }
};
#endif /* FL_UNIX_SCREEN_DRIVER_H */
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