blob: 26ae0de4cf3c1d0c451effda2d3df2bb2a44316e [file] [log] [blame]
oliverschmidt6c6adaf2005-05-04 21:57:08 +00001/*
2 * Copyright (c) 2002-2003, Adam Dunkels.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following
12 * disclaimer in the documentation and/or other materials provided
13 * with the distribution.
14 * 3. The name of the author may not be used to endorse or promote
15 * products derived from this software without specific prior
16 * written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
19 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
24 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * This file is part of the Contiki operating system.
31 *
oliverschmidtcd6c30b2005-05-05 20:54:16 +000032 * $Id: ctk-textentry-multiline.c,v 1.3 2005/05/05 20:55:50 oliverschmidt Exp $
oliverschmidt6c6adaf2005-05-04 21:57:08 +000033 *
34 */
35
36#include <string.h>
37
38#include "ctk.h"
39
40#include "ctk-textentry-multiline.h"
41
42/*-----------------------------------------------------------------------------------*/
43unsigned char
44ctk_textentry_multiline_input(ctk_arch_key_t c,
45 struct ctk_textentry *t)
46{
47 unsigned char len;
48
49 switch(c) {
oliverschmidte96e07a2005-05-04 23:07:17 +000050 case 0:
oliverschmidtcd6c30b2005-05-05 20:54:16 +000051 t->xpos = strlen(&t->text[t->ypos * (t->len + 1)]);
oliverschmidte96e07a2005-05-04 23:07:17 +000052 if(t->xpos == t->len) {
53 --t->xpos;
54 }
55 return 1;
56
oliverschmidt6c6adaf2005-05-04 21:57:08 +000057 case CH_CURS_UP:
58 if(t->ypos == 0) {
59 t->xpos = 0;
60 return 1;
61 }
62 --t->ypos;
63 break;
64
65 case CH_CURS_DOWN:
66 if(t->ypos == t->h - 1) {
oliverschmidtcd6c30b2005-05-05 20:54:16 +000067 t->xpos = strlen(&t->text[t->ypos * (t->len + 1)]);
oliverschmidt6c6adaf2005-05-04 21:57:08 +000068 if(t->xpos == t->len) {
69 --t->xpos;
70 }
71 return 1;
72 }
73 ++t->ypos;
74 break;
75
76 case CH_ENTER:
77 if(t->ypos == t->h - 1) {
78 return 0;
79 }
80 ++t->ypos;
81 t->xpos = 0;
82 return 1;
83
84 default:
85 return 0;
86 }
87
oliverschmidtcd6c30b2005-05-05 20:54:16 +000088 len = strlen(&t->text[t->ypos * (t->len + 1)]);
oliverschmidt6c6adaf2005-05-04 21:57:08 +000089 if(t->xpos > len) {
90 t->xpos = len;
91 }
92 return 1;
93}
94/*-----------------------------------------------------------------------------------*/