oliverschmidt | 6c6adaf | 2005-05-04 21:57:08 +0000 | [diff] [blame] | 1 | /* |
| 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 | * |
oliverschmidt | cd6c30b | 2005-05-05 20:54:16 +0000 | [diff] [blame] | 32 | * $Id: ctk-textentry-multiline.c,v 1.3 2005/05/05 20:55:50 oliverschmidt Exp $ |
oliverschmidt | 6c6adaf | 2005-05-04 21:57:08 +0000 | [diff] [blame] | 33 | * |
| 34 | */ |
| 35 | |
| 36 | #include <string.h> |
| 37 | |
| 38 | #include "ctk.h" |
| 39 | |
| 40 | #include "ctk-textentry-multiline.h" |
| 41 | |
| 42 | /*-----------------------------------------------------------------------------------*/ |
| 43 | unsigned char |
| 44 | ctk_textentry_multiline_input(ctk_arch_key_t c, |
| 45 | struct ctk_textentry *t) |
| 46 | { |
| 47 | unsigned char len; |
| 48 | |
| 49 | switch(c) { |
oliverschmidt | e96e07a | 2005-05-04 23:07:17 +0000 | [diff] [blame] | 50 | case 0: |
oliverschmidt | cd6c30b | 2005-05-05 20:54:16 +0000 | [diff] [blame] | 51 | t->xpos = strlen(&t->text[t->ypos * (t->len + 1)]); |
oliverschmidt | e96e07a | 2005-05-04 23:07:17 +0000 | [diff] [blame] | 52 | if(t->xpos == t->len) { |
| 53 | --t->xpos; |
| 54 | } |
| 55 | return 1; |
| 56 | |
oliverschmidt | 6c6adaf | 2005-05-04 21:57:08 +0000 | [diff] [blame] | 57 | 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) { |
oliverschmidt | cd6c30b | 2005-05-05 20:54:16 +0000 | [diff] [blame] | 67 | t->xpos = strlen(&t->text[t->ypos * (t->len + 1)]); |
oliverschmidt | 6c6adaf | 2005-05-04 21:57:08 +0000 | [diff] [blame] | 68 | 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 | |
oliverschmidt | cd6c30b | 2005-05-05 20:54:16 +0000 | [diff] [blame] | 88 | len = strlen(&t->text[t->ypos * (t->len + 1)]); |
oliverschmidt | 6c6adaf | 2005-05-04 21:57:08 +0000 | [diff] [blame] | 89 | if(t->xpos > len) { |
| 90 | t->xpos = len; |
| 91 | } |
| 92 | return 1; |
| 93 | } |
| 94 | /*-----------------------------------------------------------------------------------*/ |