rockbox/apps/recorder/keyboard.c
Miika Pekkarinen 9d918c94b5 iRiver: Added initial support for standard morse code input to virtual keyboard.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8129 a1c6a512-1295-4272-9138-f99709370657
2005-12-02 19:41:09 +00:00

623 lines
18 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 "debug_menu.h"
#include "sprintf.h"
#include <string.h>
#include "font.h"
#include "screens.h"
#include "statusbar.h"
#include "talk.h"
#include "settings.h"
#include "misc.h"
#include "buttonbar.h"
#include "logf.h"
#define KEYBOARD_MARGIN 3
#if (LCD_WIDTH >= 160) && (LCD_HEIGHT >= 96)
#define KEYBOARD_LINES 8
#define KEYBOARD_PAGES 1
#else
#define KEYBOARD_LINES 4
#define KEYBOARD_PAGES 3
#endif
#if (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
(CONFIG_KEYPAD == IRIVER_H300_PAD)
#define KBD_CURSOR_RIGHT (BUTTON_ON | BUTTON_RIGHT)
#define KBD_CURSOR_LEFT (BUTTON_ON | BUTTON_LEFT)
#define KBD_SELECT BUTTON_SELECT
#define KBD_PAGE_FLIP BUTTON_MODE /* unused */
#define KBD_DONE_PRE BUTTON_ON
#define KBD_DONE (BUTTON_ON | BUTTON_REL)
#define KBD_ABORT BUTTON_OFF
#define KBD_BACKSPACE BUTTON_REC
#define KBD_LEFT BUTTON_LEFT
#define KBD_RIGHT BUTTON_RIGHT
#define KBD_UP BUTTON_UP
#define KBD_DOWN BUTTON_DOWN
#define HAVE_MORSE_INPUT
#elif CONFIG_KEYPAD == RECORDER_PAD
#define KBD_CURSOR_RIGHT (BUTTON_ON | BUTTON_RIGHT)
#define KBD_CURSOR_LEFT (BUTTON_ON | BUTTON_LEFT)
#define KBD_SELECT BUTTON_PLAY
#define KBD_PAGE_FLIP BUTTON_F1
#define KBD_DONE BUTTON_F2
#define KBD_ABORT BUTTON_OFF
#define KBD_BACKSPACE BUTTON_F3
#define KBD_LEFT BUTTON_LEFT
#define KBD_RIGHT BUTTON_RIGHT
#define KBD_UP BUTTON_UP
#define KBD_DOWN BUTTON_DOWN
#elif CONFIG_KEYPAD == ONDIO_PAD /* restricted Ondio keypad */
#define KBD_MODES /* Ondio uses 2 modes, picker and line edit */
#define KBD_SELECT (BUTTON_MENU | BUTTON_REL) /* backspace in line edit */
#define KBD_SELECT_PRE BUTTON_MENU
#define KBD_DONE (BUTTON_MENU | BUTTON_REPEAT)
#define KBD_ABORT BUTTON_OFF
#define KBD_LEFT BUTTON_LEFT
#define KBD_RIGHT BUTTON_RIGHT
#define KBD_UP BUTTON_UP
#define KBD_DOWN BUTTON_DOWN
#elif CONFIG_KEYPAD == GMINI100_PAD
#define KBD_CURSOR_RIGHT (BUTTON_MENU | BUTTON_RIGHT)
#define KBD_CURSOR_LEFT (BUTTON_MENU | BUTTON_LEFT)
#define KBD_SELECT (BUTTON_PLAY | BUTTON_REL)
#define KBD_SELECT_PRE BUTTON_PLAY
#define KBD_PAGE_FLIP BUTTON_ON
#define KBD_DONE (BUTTON_PLAY | BUTTON_REPEAT)
#define KBD_ABORT BUTTON_OFF
#define KBD_BACKSPACE (BUTTON_MENU | BUTTON_PLAY)
#define KBD_LEFT BUTTON_LEFT
#define KBD_RIGHT BUTTON_RIGHT
#define KBD_UP BUTTON_UP
#define KBD_DOWN BUTTON_DOWN
#elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_NANO_PAD)
#define KBD_MODES /* iPod uses 2 modes, picker and line edit */
#define KBD_SELECT (BUTTON_SELECT | BUTTON_REL) /* backspace in line edit */
#define KBD_SELECT_PRE BUTTON_SELECT
#define KBD_DONE (BUTTON_SELECT | BUTTON_REPEAT)
#define KBD_ABORT BUTTON_MENU
#define KBD_LEFT BUTTON_LEFT
#define KBD_RIGHT BUTTON_RIGHT
#define KBD_UP BUTTON_SCROLL_BACK
#define KBD_DOWN BUTTON_SCROLL_FWD
#endif
#if KEYBOARD_PAGES == 1
static const char * const kbdpages[KEYBOARD_PAGES][KEYBOARD_LINES] = {
{ "ABCDEFG abcdefg !?\" @#$%+'",
"HIJKLMN hijklmn 789 &_()-`",
"OPQRSTU opqrstu 456 §|{}/<",
"VWXYZ., vwxyz.,0123 ~=[]*>",
"ÀÁÂÃÄÅÆ ÌÍÎÏ ÈÉÊË ¢£¤¥¦§©®",
"àáâãäåæ ìíîï èéêë «»°ºª¹²³",
"ÓÒÔÕÖØ ÇÐÞÝß ÙÚÛÜ ¯±×÷¡¿µ·",
"òóôõöø çðþýÿ ùúûü ¼½¾¬¶¨ " },
};
#else
static const char * const kbdpages[KEYBOARD_PAGES][KEYBOARD_LINES] = {
{ "ABCDEFG !?\" @#$%+'",
"HIJKLMN 789 &_()-`",
"OPQRSTU 456 §|{}/<",
"VWXYZ.,0123 ~=[]*>" },
{ "abcdefg ¢£¤¥¦§©®¬",
"hijklmn «»°ºª¹²³¶",
"opqrstu ¯±×÷¡¿µ·¨",
"vwxyz., ¼½¾ " },
{ "ÀÁÂÃÄÅÆ ÌÍÎÏ ÈÉÊË",
"àáâãäåæ ìíîï èéêë",
"ÓÒÔÕÖØ ÇÐÞÝß ÙÚÛÜ",
"òóôõöø çðþýÿ ùúûü" },
};
#endif
#ifdef HAVE_MORSE_INPUT
/* FIXME: We should put this to a configuration file. */
static const char *morse_alphabets =
"abcdefghijklmnopqrstuwvxyzåäö1234567890,";
static const unsigned char morse_codes[] = {
0x05,0x18,0x1a,0x0c,0x02,0x12,0x0e,0x10,0x04,0x17,0x0d,0x14,0x07,
0x06,0x0f,0x16,0x1d,0x0a,0x08,0x03,0x09,0x11,0x0b,0x19,0x1b,0x1c,
0x2d,0x15,0x1e,0x2f,0x27,0x23,0x21,0x20,0x30,0x38,0x3c,0x3f,0x3f,
0x73 };
static bool morse_mode = false;
#endif
/* 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;
int page = 0;
int font_w = 0, font_h = 0, i;
int x = 0, y = 0;
int main_x, main_y, max_chars;
int status_y1, status_y2;
int len;
int editpos, curpos, leftpos;
bool redraw = true;
const char * const *line;
#ifdef HAVE_MORSE_INPUT
bool morse_reading = false;
unsigned char morse_code = 0;
int morse_tick = 0, morse_len, j;
char buf[2];
#endif
#ifdef KBD_MODES
bool line_edit = false;
#endif
char outline[256];
struct font* font = font_get(FONT_SYSFIXED);
int button, lastbutton = 0;
#ifdef HAS_BUTTONBAR
struct gui_buttonbar buttonbar;
gui_buttonbar_init(&buttonbar);
gui_buttonbar_set_display(&buttonbar, &(screens[SCREEN_MAIN]) );
#endif
lcd_setfont(FONT_SYSFIXED);
font_w = font->maxwidth;
font_h = font->height;
main_y = (KEYBOARD_LINES + 1) * font_h + (2*KEYBOARD_MARGIN);
main_x = 0;
status_y1 = LCD_HEIGHT - font_h;
status_y2 = LCD_HEIGHT;
editpos = strlen(text);
max_chars = LCD_WIDTH / font_w - 2; /* leave room for < and > */
line = kbdpages[0];
if (global_settings.talk_menu) /* voice UI? */
talk_spell(text, true); /* spell initial text */
while(!done)
{
len = strlen(text);
if (redraw)
{
lcd_clear_display();
lcd_setfont(FONT_SYSFIXED);
#ifdef HAVE_MORSE_INPUT
if (morse_mode)
{
x = 0;
y = font_h;
buf[1] = '\0';
/* Draw morse code table with code descriptions. */
for (i = 0; morse_alphabets[i] != '\0'; i++)
{
buf[0] = morse_alphabets[i];
lcd_putsxy(x, y, buf);
for (j = 0; (morse_codes[i] >> j) > 0x01; j++) ;
morse_len = j;
x += font_w + 3;
for (j = 0; j < morse_len; j++)
{
if ((morse_codes[i] >> (morse_len-j-1)) & 0x01)
lcd_fillrect(x + j*4, y + 2, 3, 4);
else
lcd_fillrect(x + j*4, y + 3, 1, 2);
}
x += font_w * 5 - 3;
if (x >= LCD_WIDTH - (font_w*6))
{
x = 0;
y += font_h;
}
}
}
else
#endif
{
/* draw page */
for (i=0; i < KEYBOARD_LINES; i++)
lcd_putsxy(0, 8+i * font_h, line[i]);
}
/* separator */
lcd_hline(0, LCD_WIDTH - 1, main_y - KEYBOARD_MARGIN);
/* write out the text */
curpos = MIN(editpos, max_chars - MIN(len - editpos, 2));
leftpos = editpos - curpos;
strncpy(outline, text + leftpos, max_chars);
outline[max_chars] = 0;
lcd_putsxy(font_w, main_y, outline);
if (leftpos)
lcd_putsxy(0, main_y, "<");
if (len - leftpos > max_chars)
lcd_putsxy(LCD_WIDTH - font_w, main_y, ">");
/* cursor */
i = (curpos + 1) * font_w;
lcd_vline(i, main_y, main_y + font_h);
#ifdef HAS_BUTTONBAR
/* draw the status bar */
gui_buttonbar_set(&buttonbar, "Shift", "OK", "Del");
gui_buttonbar_draw(&buttonbar);
#endif
#ifdef KBD_MODES
if (!line_edit)
#endif
{
/* highlight the key that has focus */
lcd_set_drawmode(DRMODE_COMPLEMENT);
lcd_fillrect(font_w * x, 8 + font_h * y, font_w, font_h);
lcd_set_drawmode(DRMODE_SOLID);
}
gui_syncstatusbar_draw(&statusbars, true);
lcd_update();
}
/* The default action is to redraw */
redraw = true;
button = button_get_w_tmo(HZ/2);
switch ( button ) {
case KBD_ABORT:
lcd_setfont(FONT_UI);
return -1;
break;
#if defined(KBD_PAGE_FLIP)
case KBD_PAGE_FLIP:
#ifdef HAVE_MORSE_INPUT
if (morse_mode)
{
main_y = (KEYBOARD_LINES + 1) * font_h + (2*KEYBOARD_MARGIN);
morse_mode = false;
}
else
#endif
if (++page == KEYBOARD_PAGES)
{
page = 0;
#ifdef HAVE_MORSE_INPUT
main_y = LCD_HEIGHT - font_h;
morse_mode = true;
/* FIXME: We should talk something like Morse mode.. */
break ;
#endif
}
line = kbdpages[page];
kbd_spellchar(line[y][x]);
break;
#endif
case KBD_RIGHT:
case KBD_RIGHT | BUTTON_REPEAT:
#ifdef HAVE_MORSE_INPUT
if (morse_mode)
break;
#endif
#ifdef KBD_MODES
if (line_edit) /* right doubles as cursor_right in line_edit */
{
if (editpos < len)
{
editpos++;
kbd_spellchar(text[editpos]);
}
}
else
#endif
{
if (x < (int)strlen(line[y]) - 1)
x++;
else
{
x = 0;
#if !defined(KBD_PAGE_FLIP) && KEYBOARD_PAGES > 1
/* no dedicated flip key - flip page on wrap */
if (++page == KEYBOARD_PAGES)
page = 0;
line = kbdpages[page];
#endif
}
kbd_spellchar(line[y][x]);
}
break;
case KBD_LEFT:
case KBD_LEFT | BUTTON_REPEAT:
#ifdef HAVE_MORSE_INPUT
if (morse_mode)
break;
#endif
#ifdef KBD_MODES
if (line_edit) /* left doubles as cursor_left in line_edit */
{
if (editpos)
{
editpos--;
kbd_spellchar(text[editpos]);
}
}
else
#endif
{
if (x)
x--;
else
{
#if !defined(KBD_PAGE_FLIP) && KEYBOARD_PAGES > 1
/* no dedicated flip key - flip page on wrap */
if (--page < 0)
page = (KEYBOARD_PAGES-1);
line = kbdpages[page];
#endif
x = strlen(line[y]) - 1;
}
kbd_spellchar(line[y][x]);
}
break;
case KBD_DOWN:
case KBD_DOWN | BUTTON_REPEAT:
#ifdef HAVE_MORSE_INPUT
if (morse_mode)
break;
#endif
#ifdef KBD_MODES
if (line_edit)
{
y = 0;
line_edit = false;
}
else
{
#endif
if (y < KEYBOARD_LINES - 1)
y++;
else
#ifndef KBD_MODES
y=0;
#else
line_edit = true;
}
if (!line_edit)
#endif
kbd_spellchar(line[y][x]);
break;
case KBD_UP:
case KBD_UP | BUTTON_REPEAT:
#ifdef HAVE_MORSE_INPUT
if (morse_mode)
break;
#endif
#ifdef KBD_MODES
if (line_edit)
{
y = KEYBOARD_LINES - 1;
line_edit = false;
}
else
{
#endif
if (y)
y--;
else
#ifndef KBD_MODES
y = KEYBOARD_LINES - 1;
#else
line_edit = true;
}
if (!line_edit)
#endif
kbd_spellchar(line[y][x]);
break;
case KBD_DONE:
/* accepts what was entered and continues */
#ifdef KBD_DONE_PRE
if (lastbutton != KBD_DONE_PRE)
break;
#endif
done = true;
break;
#ifdef HAVE_MORSE_INPUT
case KBD_SELECT | BUTTON_REL:
if (morse_mode && morse_reading)
{
morse_code <<= 1;
if ((current_tick - morse_tick) > HZ/5)
morse_code |= 0x01;
}
break;
#endif
case KBD_SELECT:
#ifdef HAVE_MORSE_INPUT
if (morse_mode)
{
morse_tick = current_tick;
if (!morse_reading)
{
morse_reading = true;
morse_code = 1;
}
break;
}
#endif
/* inserts the selected char */
#ifdef KBD_SELECT_PRE
if (lastbutton != KBD_SELECT_PRE)
break;
#endif
#ifdef KBD_MODES
if (line_edit) /* select doubles as backspace in line_edit */
{
if (editpos > 0)
{
for (i = editpos; i < len; i++)
text[i-1] = text[i];
text[i-1] = '\0';
editpos--;
}
}
else
#endif
{
if (len + 1 < buflen)
{
for (i = len ; i > editpos; i--)
text[i] = text[i-1];
text[len+1] = 0;
text[editpos] = line[y][x];
editpos++;
}
}
if (global_settings.talk_menu) /* voice UI? */
talk_spell(text, false); /* speak revised text */
break;
#ifndef KBD_MODES
case KBD_BACKSPACE:
case KBD_BACKSPACE | BUTTON_REPEAT:
if (editpos > 0)
{
for (i = editpos; i < len; i++)
text[i-1] = text[i];
text[i-1] = '\0';
editpos--;
}
if (global_settings.talk_menu) /* voice UI? */
talk_spell(text, false); /* speak revised text */
break;
case KBD_CURSOR_RIGHT:
case KBD_CURSOR_RIGHT | BUTTON_REPEAT:
if (editpos < len)
{
editpos++;
kbd_spellchar(text[editpos]);
}
break;
case KBD_CURSOR_LEFT:
case KBD_CURSOR_LEFT | BUTTON_REPEAT:
if (editpos)
{
editpos--;
kbd_spellchar(text[editpos]);
}
break;
#endif /* !KBD_MODES */
case BUTTON_NONE:
gui_syncstatusbar_draw(&statusbars, false);
redraw = false;
#ifdef HAVE_MORSE_INPUT
if (morse_reading)
{
logf("Morse: 0x%02x", morse_code);
morse_reading = false;
for (j = 0; morse_alphabets[j] != '\0'; j++)
{
if (morse_codes[j] == morse_code)
break ;
}
if (morse_alphabets[j] == '\0')
{
logf("Morse code not found");
break ;
}
if (len + 1 < buflen)
{
for (i = len ; i > editpos; i--)
text[i] = text[i-1];
text[len+1] = 0;
text[editpos] = morse_alphabets[j];
editpos++;
}
if (global_settings.talk_menu) /* voice UI? */
talk_spell(text, false); /* speak revised text */
redraw = true;
}
#endif
break;
default:
if(default_event_handler(button) == SYS_USB_CONNECTED)
lcd_setfont(FONT_SYSFIXED);
break;
}
if (button != BUTTON_NONE)
lastbutton = button;
}
lcd_setfont(FONT_UI);
return 0;
}