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/*
   client/console.h
   This file is part of the Osirion project and is distributed under 
   the terms of the GNU General Public License version 2 
*/

#ifndef __INCLUDED_CLIENT_CONSOLE_H__
#define __INCLUDED_CLIENT_CONSOLE_H__

#include "sys/consoleinterface.h"
#include "ui/window.h"
#include "ui/input.h"

namespace client {

/* -- class ConsoleBuffer ------------------------------------------ */

/// client console buffer
/** stores incoming console messages
 */
class ConsoleBuffer : public sys::ConsoleInterface {
public:
	ConsoleBuffer();
	~ConsoleBuffer();
};

/* -- class Console ------------------------------------------------ */

/// client system console widget
class Console : public ui::Window {
public:
	typedef std::deque<std::string> Text;

	Console(Widget *parent);
	virtual ~Console();

	/// load input history
	void load_history();

	/// save input history
	void save_history();

	/// show console
	virtual void show();

	/// hide console
	virtual void hide();

	void toggle();

protected:
	/// draw event
	virtual void event_draw();

	/// draw the client console text
	virtual void draw();

	/// handle keypress events
	virtual bool on_keypress(const int key, const unsigned int modifier);

private:
	inline Text & log() { return con_buffer.log(); }

	// input history
	Text 			history;
	Text::reverse_iterator 	history_pos;

	// scroll position
	size_t 			console_scroll;

	// input widget
	ui::Input		*console_input;

	// console buffer
	static ConsoleBuffer	con_buffer;
};

}

#endif // __INCLUDED_CLIENT_CONSOLE_H__