/*
    PIP - Platform Independent Primitives
    Keyboard grabber for console
    Copyright (C) 2011  Ivan Pelipenko peri4ko@gmail.com

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef PIKBDLISTENER_H
#define PIKBDLISTENER_H

#include "pithread.h"
#ifndef WINDOWS
#  include <termios.h>
#endif

#define WAIT_FOR_EXIT while (!PIKbdListener::exiting) msleep(1);

typedef void (*KBFunc)(char, void * );

class PIKbdListener: public PIThread {
	friend class PIConsole;
public:
	// slot is any function format "void <func>(char, void * )"
	PIKbdListener(KBFunc slot = 0, void * data = 0);
	~PIKbdListener() {terminate(); end();}
	
	void setData(void * data_) {data = data_;}
	void setSlot(KBFunc slot_) {ret_func = slot_;}
	void enableExitCapture(char key = 'Q') {exit_enabled = true; exit_key = key;}
	void disableExitCapture() {exit_enabled = false;}
	bool exitCaptured() const {return exit_enabled;}
	char exitKey() const {return exit_key;}
	bool isActive() {return is_active;}
	void setActive(bool yes = true);
	
	static bool exiting;
	
private:
	void begin();
	void run();
	void end();
	
	KBFunc ret_func;
	char exit_key;
	bool exit_enabled, is_active;
	void * data;
#ifdef WINDOWS
	DWORD ret, rc;
	void * hIn;
	DWORD smode, tmode;
#else
	char rc;
	int ret;
	struct termios sterm, tterm;
#endif
	
};

#endif // PIKBDLISTENER_H