/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2002 by Bjrn Stenberg * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * 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 #include "settings.h" #include "statusbar.h" #include "talk.h" #include "misc.h" #include "rbunicode.h" #include "lang.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 = "ABCDEFGHIJKLMNOPQRSTUVWXYZÀÁÂÃÄÅ" "ÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝ"; break; case 1: /* Small */ p = "abcdefghijklmnopqrstuvwxyzßàáâãä" "åçèéêëìíîïñòóôõöøùúûüýÿ"; 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(unsigned short c) { if (global_settings.talk_menu) /* voice UI? */ { unsigned char tmp[5]; /* store char to pass to talk_spell */ unsigned char* utf8 = utf8encode(c, tmp); *utf8 = 0; if(c == ' ') talk_id(VOICE_BLANK, false); else talk_spell(tmp, false); } } static void say_edit(void) { if (global_settings.talk_menu) talk_id(VOICE_EDIT, 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) say_edit(); else 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; }