text: /* Copyright (c) 2017, Piotr Durlej
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice,
   * this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   * notice, this list of conditions and the following disclaimer in the
   * documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include <wingui_color.h>
  #include <signal.h>
  #include <wingui.h>
  #include <errno.h>
  #include <event.h>
  
  static void *win_signal_handler[NSIG + 1];
  
  static void handle_win_signal(struct event *e)
  {
  	void (*proc)(int nr) = win_signal_handler[e->sig];
  	
  	proc(e->sig);
  }
  
  int win_signal(int nr, void *proc)
  {
  	if (nr < 1 || nr > NSIG)
  	{
  		_set_errno(EINVAL);
  		return -1;
  	}
  	
  	if (proc == SIG_IGN || proc == SIG_DFL)
  	{
  		if (signal(nr, proc) == (void *)-1)
  			return -1;
  		return 0;
  	}
  	
  	win_signal_handler[nr] = proc;
  	evt_signal(nr, handle_win_signal);
  	return 0;
  }
  
  int win_event_count(void)
  {
  	return evt_count();
  }
  
  int win_wait(void)
  {
  	evt_wait();
  	return 0;
  }
  
  int win_idle(void)
  {
  	evt_idle();
  	return 0;
  }
  