95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2002-2003, Adam Dunkels.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above
|
||
|
|
* copyright notice, this list of conditions and the following
|
||
|
|
* disclaimer in the documentation and/or other materials provided
|
||
|
|
* with the distribution.
|
||
|
|
* 3. The name of the author may not be used to endorse or promote
|
||
|
|
* products derived from this software without specific prior
|
||
|
|
* written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
|
||
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
|
||
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
||
|
|
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*
|
||
|
|
* This file is part of the Contiki operating system.
|
||
|
|
*
|
||
|
|
* $Id: ctk-textentry-multiline.c,v 1.1 2006/06/17 22:41:17 adamdunkels Exp $
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
#include "ctk/ctk.h"
|
||
|
|
|
||
|
|
#include "lib/ctk-textentry-multiline.h"
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------------------*/
|
||
|
|
unsigned char
|
||
|
|
ctk_textentry_multiline_input(ctk_arch_key_t c,
|
||
|
|
struct ctk_textentry *t)
|
||
|
|
{
|
||
|
|
unsigned char len;
|
||
|
|
|
||
|
|
switch(c) {
|
||
|
|
case 0:
|
||
|
|
t->xpos = strlen(&t->text[t->ypos * (t->len + 1)]);
|
||
|
|
if(t->xpos == t->len) {
|
||
|
|
--t->xpos;
|
||
|
|
}
|
||
|
|
return 1;
|
||
|
|
|
||
|
|
case CH_CURS_UP:
|
||
|
|
if(t->ypos == 0) {
|
||
|
|
t->xpos = 0;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
--t->ypos;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case CH_CURS_DOWN:
|
||
|
|
if(t->ypos == t->h - 1) {
|
||
|
|
t->xpos = strlen(&t->text[t->ypos * (t->len + 1)]);
|
||
|
|
if(t->xpos == t->len) {
|
||
|
|
--t->xpos;
|
||
|
|
}
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
++t->ypos;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case CH_ENTER:
|
||
|
|
if(t->ypos == t->h - 1) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
++t->ypos;
|
||
|
|
t->xpos = 0;
|
||
|
|
return 1;
|
||
|
|
|
||
|
|
default:
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
len = strlen(&t->text[t->ypos * (t->len + 1)]);
|
||
|
|
if(t->xpos > len) {
|
||
|
|
t->xpos = len;
|
||
|
|
}
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
/*-----------------------------------------------------------------------------------*/
|