f7a81a9d6a
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13430 a1c6a512-1295-4272-9138-f99709370657
292 lines
8.4 KiB
C
292 lines
8.4 KiB
C
/***************************************************************************
|
||
* __________ __ ___.
|
||
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||
* \/ \/ \/ \/ \/
|
||
* $Id$
|
||
*
|
||
* Copyright (C) 2002 by Björn Stenberg
|
||
*
|
||
* All files in this archive are subject to the GNU General Public License.
|
||
* See the file COPYING in the source tree root for full license agreement.
|
||
*
|
||
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||
* KIND, either express or implied.
|
||
*
|
||
****************************************************************************/
|
||
#include "lcd.h"
|
||
#include "button.h"
|
||
#include "kernel.h"
|
||
#include "system.h"
|
||
#include "version.h"
|
||
#include "sprintf.h"
|
||
#include <string.h>
|
||
#include "settings.h"
|
||
#include "statusbar.h"
|
||
#include "talk.h"
|
||
#include "misc.h"
|
||
#include "rbunicode.h"
|
||
|
||
#define KBD_BUF_SIZE 64
|
||
#define KEYBOARD_PAGES 3
|
||
|
||
static unsigned short *kbd_setupkeys(int page, int* len)
|
||
{
|
||
static unsigned short kbdline[KBD_BUF_SIZE];
|
||
const unsigned char *p;
|
||
int i = 0;
|
||
|
||
switch (page)
|
||
{
|
||
case 0: /* Capitals */
|
||
p = "ABCDEFGHIJKLMNOPQRSTUVWXYZÀÃ<EFBFBD>ÂÃÄÅ"
|
||
"ÆÇÈÉÊËÌÃ<EFBFBD>ÃŽÃ<EFBFBD>Ã<EFBFBD>ÑÒÓÔÕÖØÙÚÛÜÃ<EFBFBD>";
|
||
break;
|
||
|
||
case 1: /* Small */
|
||
p = "abcdefghijklmnopqrstuvwxyzßà áâãä"
|
||
"åçèéêëìÃîïñòóôõöøùúûüýÿ";
|
||
break;
|
||
|
||
default: /* Others */
|
||
p = " !\"#$%&'()*+,-./0123456789:;<=>?@[]_{}~";
|
||
break;
|
||
}
|
||
|
||
while (*p)
|
||
p = utf8decode(p, &kbdline[i++]);
|
||
|
||
*len = i;
|
||
|
||
return kbdline;
|
||
}
|
||
|
||
/* Delimiters for highlighting the character selected for insertion */
|
||
#define KEYBOARD_INSERT_LEFT 0xe110
|
||
#define KEYBOARD_INSERT_RIGHT 0xe10f
|
||
|
||
#define KEYBOARD_CURSOR 0x7f
|
||
#define KEYBOARD_ARROW 0xe10c
|
||
|
||
/* helper function to spell a char if voice UI is enabled */
|
||
static void kbd_spellchar(char c)
|
||
{
|
||
static char spell_char[2] = "\0\0"; /* store char to pass to talk_spell */
|
||
|
||
if (global_settings.talk_menu) /* voice UI? */
|
||
{
|
||
spell_char[0] = c;
|
||
talk_spell(spell_char, false);
|
||
}
|
||
}
|
||
|
||
int kbd_input(char* text, int buflen)
|
||
{
|
||
bool done = false;
|
||
bool redraw = true;
|
||
bool line_edit = false;
|
||
int page = 0, x = 0;
|
||
int linelen;
|
||
|
||
int len, len_utf8, i, j;
|
||
int editpos, curpos, leftpos;
|
||
unsigned short *line = kbd_setupkeys(page, &linelen);
|
||
unsigned char temptext[36];
|
||
unsigned char *utf8;
|
||
|
||
int button, lastbutton = 0;
|
||
|
||
editpos = utf8length(text);
|
||
|
||
if (global_settings.talk_menu) /* voice UI? */
|
||
talk_spell(text, true); /* spell initial text */
|
||
|
||
while (!done)
|
||
{
|
||
len = strlen(text);
|
||
len_utf8 = utf8length(text);
|
||
|
||
if (redraw)
|
||
{
|
||
if (line_edit)
|
||
{
|
||
lcd_putc(0, 0, ' ');
|
||
lcd_putc(0, 1, KEYBOARD_ARROW);
|
||
}
|
||
else
|
||
{
|
||
lcd_putc(0, 0, KEYBOARD_ARROW);
|
||
lcd_putc(0, 1, ' ');
|
||
}
|
||
|
||
lcd_putc(1, 0, KEYBOARD_INSERT_LEFT);
|
||
lcd_putc(2, 0, line[x]);
|
||
lcd_putc(3, 0, KEYBOARD_INSERT_RIGHT);
|
||
for (i = 1; i < 8; i++)
|
||
{
|
||
lcd_putc(i + 3, 0, line[(x+i)%linelen]);
|
||
}
|
||
|
||
/* write out the text */
|
||
curpos = MIN(MIN(editpos, 10 - MIN(len_utf8 - editpos, 3)), 9);
|
||
leftpos = editpos - curpos;
|
||
if (!leftpos) {
|
||
utf8 = text + utf8seek(text, leftpos);
|
||
i = 0;
|
||
j = 0;
|
||
} else {
|
||
temptext[0] = '<';
|
||
i = 1;
|
||
j = 1;
|
||
utf8 = text + utf8seek(text, leftpos+1);
|
||
}
|
||
while (*utf8 && i < 10) {
|
||
temptext[j++] = *utf8++;
|
||
if ((*utf8 & MASK) != COMP)
|
||
i++;
|
||
}
|
||
temptext[j] = 0;
|
||
|
||
|
||
if (len_utf8 - leftpos > 10) {
|
||
utf8 = temptext + utf8seek(temptext, 9);
|
||
*utf8++ = '>';
|
||
*utf8 = 0;
|
||
}
|
||
|
||
lcd_remove_cursor();
|
||
lcd_puts(1, 1, temptext);
|
||
lcd_put_cursor(curpos + 1, 1, KEYBOARD_CURSOR);
|
||
|
||
gui_syncstatusbar_draw(&statusbars, true);
|
||
}
|
||
|
||
/* The default action is to redraw */
|
||
redraw = true;
|
||
|
||
button = button_get_w_tmo(HZ/2);
|
||
switch (button)
|
||
{
|
||
case BUTTON_STOP: /* abort */
|
||
return -1;
|
||
break;
|
||
|
||
case BUTTON_MENU: /* page flip */
|
||
if (++page == KEYBOARD_PAGES)
|
||
page = 0;
|
||
line = kbd_setupkeys(page, &linelen);
|
||
if (x > linelen - 1)
|
||
x = linelen - 1;
|
||
kbd_spellchar(line[x]);
|
||
break;
|
||
|
||
case BUTTON_ON: /* toggle mode */
|
||
line_edit = !line_edit;
|
||
if (!line_edit)
|
||
kbd_spellchar(line[x]);
|
||
break;
|
||
|
||
case BUTTON_RIGHT:
|
||
case BUTTON_RIGHT | BUTTON_REPEAT:
|
||
if (line_edit)
|
||
{
|
||
if (editpos < len_utf8)
|
||
{
|
||
editpos++;
|
||
int c = utf8seek(text, editpos);
|
||
kbd_spellchar(text[c]);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (++x >= linelen)
|
||
x = 0;
|
||
kbd_spellchar(line[x]);
|
||
}
|
||
break;
|
||
|
||
case BUTTON_LEFT:
|
||
case BUTTON_LEFT | BUTTON_REPEAT:
|
||
if (line_edit)
|
||
{
|
||
if (editpos)
|
||
{
|
||
editpos--;
|
||
int c = utf8seek(text, editpos);
|
||
kbd_spellchar(text[c]);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (--x < 0)
|
||
x = linelen - 1;
|
||
kbd_spellchar(line[x]);
|
||
}
|
||
break;
|
||
|
||
case BUTTON_PLAY | BUTTON_REPEAT:
|
||
/* accepts what was entered and continues */
|
||
done = true;
|
||
break;
|
||
|
||
case BUTTON_PLAY | BUTTON_REL:
|
||
if (lastbutton != BUTTON_PLAY)
|
||
break;
|
||
if (line_edit) /* backspace in line_edit */
|
||
{
|
||
if (editpos > 0)
|
||
{
|
||
utf8 = text + utf8seek(text, editpos);
|
||
i = 0;
|
||
do {
|
||
i++;
|
||
utf8--;
|
||
} while ((*utf8 & MASK) == COMP);
|
||
while (utf8[i]) {
|
||
*utf8 = utf8[i];
|
||
utf8++;
|
||
}
|
||
*utf8 = 0;
|
||
editpos--;
|
||
}
|
||
}
|
||
else /* inserts the selected char */
|
||
{
|
||
utf8 = utf8encode(line[x], temptext);
|
||
*utf8 = 0;
|
||
j = strlen(temptext);
|
||
if (len + j < buflen)
|
||
{
|
||
int k = len_utf8;
|
||
for (i = len+j; k >= editpos; i--) {
|
||
text[i] = text[i-j];
|
||
if ((text[i] & MASK) != COMP)
|
||
k--;
|
||
}
|
||
while (j--)
|
||
text[i--] = temptext[j];
|
||
editpos++;
|
||
}
|
||
}
|
||
if (global_settings.talk_menu) /* voice UI? */
|
||
talk_spell(text, false); /* speak revised text */
|
||
break;
|
||
|
||
case BUTTON_NONE:
|
||
gui_syncstatusbar_draw(&statusbars, false);
|
||
redraw = false;
|
||
break;
|
||
|
||
default:
|
||
default_event_handler(button);
|
||
break;
|
||
}
|
||
if (button != BUTTON_NONE)
|
||
lastbutton = button;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|