53b1aaf7b0
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13616 a1c6a512-1295-4272-9138-f99709370657
292 lines
8.4 KiB
C
292 lines
8.4 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Björn Stenberg
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "lcd.h"
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#include "button.h"
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#include "kernel.h"
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#include "system.h"
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#include "version.h"
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#include "sprintf.h"
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#include <string.h>
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#include "settings.h"
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#include "statusbar.h"
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#include "talk.h"
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#include "misc.h"
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#include "rbunicode.h"
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#define KBD_BUF_SIZE 64
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#define KEYBOARD_PAGES 3
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static unsigned short *kbd_setupkeys(int page, int* len)
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{
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static unsigned short kbdline[KBD_BUF_SIZE];
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const unsigned char *p;
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int i = 0;
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switch (page)
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{
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case 0: /* Capitals */
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p = "ABCDEFGHIJKLMNOPQRSTUVWXYZÀÃ<EFBFBD>ÂÃÄÅ"
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"ÆÇÈÉÊËÌÃ<EFBFBD>ÃŽÃ<EFBFBD>Ã<EFBFBD>ÑÒÓÔÕÖØÙÚÛÜÃ<EFBFBD>";
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break;
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case 1: /* Small */
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p = "abcdefghijklmnopqrstuvwxyzßà áâãä"
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"åçèéêëìÃîïñòóôõöøùúûüýÿ";
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break;
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default: /* Others */
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p = " !\"#$%&'()*+,-./0123456789:;<=>?@[]_{}~";
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break;
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}
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while (*p)
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p = utf8decode(p, &kbdline[i++]);
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*len = i;
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return kbdline;
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}
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/* Delimiters for highlighting the character selected for insertion */
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#define KEYBOARD_INSERT_LEFT 0xe110
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#define KEYBOARD_INSERT_RIGHT 0xe10f
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#define KEYBOARD_CURSOR 0x7f
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#define KEYBOARD_ARROW 0xe10c
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/* helper function to spell a char if voice UI is enabled */
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static void kbd_spellchar(char c)
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{
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static char spell_char[2] = "\0\0"; /* store char to pass to talk_spell */
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if (talk_menus_enabled()) /* voice UI? */
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{
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spell_char[0] = c;
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talk_spell(spell_char, false);
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}
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}
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int kbd_input(char* text, int buflen)
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{
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bool done = false;
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bool redraw = true;
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bool line_edit = false;
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int page = 0, x = 0;
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int linelen;
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int len, len_utf8, i, j;
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int editpos, curpos, leftpos;
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unsigned short *line = kbd_setupkeys(page, &linelen);
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unsigned char temptext[36];
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unsigned char *utf8;
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int button, lastbutton = 0;
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editpos = utf8length(text);
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if (talk_menus_enabled()) /* voice UI? */
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talk_spell(text, true); /* spell initial text */
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while (!done)
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{
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len = strlen(text);
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len_utf8 = utf8length(text);
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if (redraw)
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{
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if (line_edit)
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{
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lcd_putc(0, 0, ' ');
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lcd_putc(0, 1, KEYBOARD_ARROW);
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}
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else
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{
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lcd_putc(0, 0, KEYBOARD_ARROW);
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lcd_putc(0, 1, ' ');
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}
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lcd_putc(1, 0, KEYBOARD_INSERT_LEFT);
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lcd_putc(2, 0, line[x]);
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lcd_putc(3, 0, KEYBOARD_INSERT_RIGHT);
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for (i = 1; i < 8; i++)
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{
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lcd_putc(i + 3, 0, line[(x+i)%linelen]);
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}
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/* write out the text */
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curpos = MIN(MIN(editpos, 10 - MIN(len_utf8 - editpos, 3)), 9);
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leftpos = editpos - curpos;
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if (!leftpos) {
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utf8 = text + utf8seek(text, leftpos);
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i = 0;
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j = 0;
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} else {
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temptext[0] = '<';
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i = 1;
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j = 1;
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utf8 = text + utf8seek(text, leftpos+1);
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}
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while (*utf8 && i < 10) {
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temptext[j++] = *utf8++;
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if ((*utf8 & MASK) != COMP)
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i++;
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}
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temptext[j] = 0;
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if (len_utf8 - leftpos > 10) {
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utf8 = temptext + utf8seek(temptext, 9);
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*utf8++ = '>';
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*utf8 = 0;
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}
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lcd_remove_cursor();
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lcd_puts(1, 1, temptext);
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lcd_put_cursor(curpos + 1, 1, KEYBOARD_CURSOR);
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gui_syncstatusbar_draw(&statusbars, true);
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}
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/* The default action is to redraw */
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redraw = true;
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button = button_get_w_tmo(HZ/2);
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switch (button)
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{
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case BUTTON_STOP: /* abort */
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return -1;
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break;
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case BUTTON_MENU: /* page flip */
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if (++page == KEYBOARD_PAGES)
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page = 0;
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line = kbd_setupkeys(page, &linelen);
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if (x > linelen - 1)
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x = linelen - 1;
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kbd_spellchar(line[x]);
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break;
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case BUTTON_ON: /* toggle mode */
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line_edit = !line_edit;
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if (!line_edit)
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kbd_spellchar(line[x]);
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break;
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case BUTTON_RIGHT:
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case BUTTON_RIGHT | BUTTON_REPEAT:
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if (line_edit)
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{
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if (editpos < len_utf8)
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{
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editpos++;
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int c = utf8seek(text, editpos);
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kbd_spellchar(text[c]);
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}
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}
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else
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{
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if (++x >= linelen)
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x = 0;
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kbd_spellchar(line[x]);
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}
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break;
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case BUTTON_LEFT:
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case BUTTON_LEFT | BUTTON_REPEAT:
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if (line_edit)
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{
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if (editpos)
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{
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editpos--;
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int c = utf8seek(text, editpos);
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kbd_spellchar(text[c]);
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}
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}
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else
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{
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if (--x < 0)
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x = linelen - 1;
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kbd_spellchar(line[x]);
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}
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break;
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case BUTTON_PLAY | BUTTON_REPEAT:
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/* accepts what was entered and continues */
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done = true;
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break;
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case BUTTON_PLAY | BUTTON_REL:
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if (lastbutton != BUTTON_PLAY)
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break;
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if (line_edit) /* backspace in line_edit */
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{
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if (editpos > 0)
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{
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utf8 = text + utf8seek(text, editpos);
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i = 0;
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do {
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i++;
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utf8--;
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} while ((*utf8 & MASK) == COMP);
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while (utf8[i]) {
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*utf8 = utf8[i];
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utf8++;
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}
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*utf8 = 0;
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editpos--;
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}
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}
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else /* inserts the selected char */
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{
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utf8 = utf8encode(line[x], temptext);
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*utf8 = 0;
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j = strlen(temptext);
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if (len + j < buflen)
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{
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int k = len_utf8;
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for (i = len+j; k >= editpos; i--) {
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text[i] = text[i-j];
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if ((text[i] & MASK) != COMP)
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k--;
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}
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while (j--)
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text[i--] = temptext[j];
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editpos++;
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}
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}
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if (talk_menus_enabled()) /* voice UI? */
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talk_spell(text, false); /* speak revised text */
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break;
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case BUTTON_NONE:
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gui_syncstatusbar_draw(&statusbars, false);
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redraw = false;
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break;
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default:
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default_event_handler(button);
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break;
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}
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if (button != BUTTON_NONE)
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lastbutton = button;
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}
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return 0;
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}
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