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/*
* This file is part of din.
*
* din is copyright (c) 2006 - 2012 S Jagannathan <jag@dinisnoise.org>
* For more information, please visit http://dinisnoise.org
*
* din 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 2 of the License, or
* (at your option) any later version.
*
* din 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 din. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __field
#define __field
#include "widget.h"
#include <string>
#include <list>
#include <sstream>
class field : public widget { // a text field
int width; // in chars
enum {pushback = 1, insert = 2};
int mode; // push back or insert
std::string text; // text of the field
int len; // length of text
int last; // last char
// the view
int left, right; // left & right chars
std::string view_text;
void calc_view_text ();
int cursor; // cursor pos ie char position
int offset; // offset from left
// focus
//
int focus; // 1 - field has focus, 0 - lost focus
int clicked_lmb;
// listener
change_listener<field>* lsnr;
char sbuf [1024]; // buffer for writing ints and floats
public:
field (int w);
field (int x, int y, const std::string& str = "", int w = 0);
void set_text (const std::string& txt);
void set_text (int i);
void set_text (float f);
const std::string& get_text () {return text;}
int handle_input ();
void calc_view ();
void calc_cursor ();
void update ();
void draw ();
void draw_cursor (int x, int y);
int hittest (int x, int y);
int has_focus () {return focus;}
operator int() const;
operator float() const;
void set_listener (change_listener<field>* fl);
};
#endif
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