/*
   ui/inputbox.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_UI_INPUTBOX_H__
#define __INCLUDED_UI_INPUTBOX_H__

#include "ui/widget.h"

namespace ui
{

/// text input widget
class InputBox : public Widget
{
public:
	InputBox(Widget *parent);
	~InputBox();
	
	/// text alignment
	inline unsigned int alignment() const {
		return _alignment;
	}
	
	/// return the text displayed by the label
	inline const std::string &text() const {
		return _text;
	}

	/// set the text displayed by the label
	void set_text(const std::string &text);

	/// set the text displayed by the label
	void set_text(const char *text);

	/// set the prompt
	void set_prompt(const std::string &prompt);

	/// set the prompt
	void set_prompt(const char *prompt);

	/// set the maximal input length
	void set_max(const size_t max);
	
	/// set the text alignment
	void set_alignment(const unsigned int alignment);

	/// clear the text
	void clear();
	
	/// run command completion
	void complete();

protected:
	/**
	 * @brief draw the windget
	 * */
	virtual void draw();

	/**
	 * @brief key press event handler
	 * */
	virtual bool on_keypress(const int key, const unsigned int modifier);

	/**
	 * @brief key release event handler
	 * */
	virtual bool on_keyrelease(const int key, const unsigned int modifier);
	
	/**
	 * @brief mouse button press event handler
	 * */
	virtual bool on_mousepress(const unsigned int button);

private:

	std::string		_text;
	std::string		_prompt;
	size_t			_pos;
	size_t			_max;
	
	unsigned int		_alignment;
};

}

#endif // __INCLUDED_UI_INPUTBOX_H__