Contiki 2.6

ctk-textentry-checkbox.c

00001 /*
00002  * Copyright (c) 2002-2003, Adam Dunkels.
00003  * All rights reserved. 
00004  *
00005  * Redistribution and use in source and binary forms, with or without 
00006  * modification, are permitted provided that the following conditions 
00007  * are met: 
00008  * 1. Redistributions of source code must retain the above copyright 
00009  *    notice, this list of conditions and the following disclaimer. 
00010  * 2. Redistributions in binary form must reproduce the above
00011  *    copyright notice, this list of conditions and the following
00012  *    disclaimer in the documentation and/or other materials provided
00013  *    with the distribution. 
00014  * 3. The name of the author may not be used to endorse or promote
00015  *    products derived from this software without specific prior
00016  *    written permission.  
00017  *
00018  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
00019  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00020  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00021  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
00022  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00023  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
00024  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00025  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
00026  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00027  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00028  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
00029  *
00030  * This file is part of the Contiki operating system.
00031  *
00032  * $Id: ctk-textentry-checkbox.c,v 1.1 2006/06/17 22:41:17 adamdunkels Exp $
00033  *
00034  */
00035 
00036 #include "ctk/ctk.h"
00037 
00038 #include "ctk-textentry-checkbox.h"
00039 
00040 /*-----------------------------------------------------------------------------------*/
00041 unsigned char
00042 ctk_textentry_checkbox_input(ctk_arch_key_t c,
00043                              struct ctk_textentry *t)
00044 {
00045   switch(c) {
00046   case 'X':
00047   case 'x':
00048     *t->text = 'x';
00049     return 1;
00050 
00051   case ' ':
00052     *t->text = *t->text == 'x'? 0:'x';
00053     return 1;
00054 
00055   case CH_DEL:
00056   case CH_ENTER:
00057   case CTK_CONF_WIDGETDOWN_KEY:
00058   case CTK_CONF_WIDGETUP_KEY:
00059     return 0;
00060   }
00061   return 1;
00062 }
00063 /*-----------------------------------------------------------------------------------*/