/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2002 by Bjrn 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 "kernel.h" #include "system.h" #include "version.h" #include #include "font.h" #include "screens.h" #include "statusbar.h" #include "talk.h" #include "settings.h" #include "misc.h" #include "rbunicode.h" #include "buttonbar.h" #include "logf.h" #include "hangul.h" #include "action.h" #include "icons.h" #ifndef O_BINARY #define O_BINARY 0 #endif #if CONFIG_KEYPAD == RECORDER_PAD #define BUTTONBAR_HEIGHT 8 #else #define BUTTONBAR_HEIGHT 0 #endif #define DEFAULT_MARGIN 6 #define KBD_BUF_SIZE 500 #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || \ (CONFIG_KEYPAD == IRIVER_H300_PAD) #define KBD_CURSOR_KEYS /* certain key combos move the cursor even if not in line edit mode */ #define KBD_MODES /* I-Rivers can use picker, line edit and cursor keys */ #define KBD_MORSE_INPUT /* I-Rivers have a Morse input mode */ #elif CONFIG_KEYPAD == ONDIO_PAD /* restricted Ondio keypad */ #define KBD_MODES /* Ondio uses 2 modes, picker and line edit */ #elif (CONFIG_KEYPAD == IPOD_3G_PAD) || (CONFIG_KEYPAD == IPOD_4G_PAD) #define KBD_MODES /* iPod uses 2 modes, picker and line edit */ #define KBD_MORSE_INPUT #elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD #define KBD_MODES /* iFP7xx uses 2 modes, picker and line edit */ #elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD #define KBD_MODES /* iAudio X5 uses 2 modes, picker and line edit */ #elif CONFIG_KEYPAD == IRIVER_H10_PAD #define KBD_MODES /* iriver H10 uses 2 modes, picker and line edit */ #define KBD_MORSE_INPUT #elif CONFIG_KEYPAD == GIGABEAT_PAD #define KBD_MORSE_INPUT #endif struct keyboard_parameters { const unsigned char* default_kbd; int DEFAULT_LINES; unsigned short kbd_buf[KBD_BUF_SIZE]; int nchars; int font_w; int font_h; struct font* font; int curfont; int main_x; int main_y; int max_chars; int max_chars_text; int lines; int pages; int keyboard_margin; int old_main_y; int curpos; int leftpos; int page; int x; int y; #ifdef KBD_MODES bool line_edit; #endif bool hangul; unsigned short hlead, hvowel, htail; }; static struct keyboard_parameters kbd_param[NB_SCREENS]; static bool kbd_loaded = false; #ifdef KBD_MORSE_INPUT /* FIXME: We should put this to a configuration file. */ static const char *morse_alphabets = "abcdefghijklmnopqrstuvwxyz1234567890,.?-@ "; 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, 0x2f,0x27,0x23,0x21,0x20,0x30,0x38,0x3c,0x3e,0x3f, 0x73,0x55,0x4c,0x61,0x5a,0x80 }; static bool morse_mode = false; #endif /* Loads a custom keyboard into memory call with NULL to reset keyboard */ int load_kbd(unsigned char* filename) { int fd, l; int i = 0; unsigned char buf[4]; if (filename == NULL) { kbd_loaded = false; return 0; } fd = open(filename, O_RDONLY|O_BINARY); if (fd < 0) return 1; while (read(fd, buf, 1) == 1 && i < KBD_BUF_SIZE) { /* check how many bytes to read for this character */ static const unsigned char sizes[4] = { 0x80, 0xe0, 0xf0, 0xf5 }; size_t count; for (count = 0; count < ARRAYLEN(sizes); count++) { if (buf[0] < sizes[count]) break; } if (count >= ARRAYLEN(sizes)) continue; /* Invalid size. */ if (read(fd, &buf[1], count) != (ssize_t)count) { close(fd); kbd_loaded = false; return 1; } FOR_NB_SCREENS(l) utf8decode(buf, &kbd_param[l].kbd_buf[i]); if (kbd_param[0].kbd_buf[i] != 0xFEFF && kbd_param[0].kbd_buf[i] != '\r') /*skip BOM & carriage returns */ { i++; } } close(fd); kbd_loaded = true; FOR_NB_SCREENS(l) kbd_param[l].nchars = i; return 0; } /* helper function to spell a char if voice UI is enabled */ static void kbd_spellchar(unsigned short c) { static char spell_char[2] = "\0\0"; /* store char to pass to talk_spell */ if (global_settings.talk_menu && c < 128) /* voice UI? */ { spell_char[0] = (char)c; talk_spell(spell_char, false); } } static void kbd_inschar(unsigned char* text, int buflen, int* editpos, unsigned short ch) { int i, j, k, len; unsigned char tmp[4]; unsigned char* utf8; len = strlen(text); k = utf8length(text); utf8 = utf8encode(ch, tmp); j = (long)utf8 - (long)tmp; if (len + j < buflen) { for (i = len+j; k >= *editpos; i--) { text[i] = text[i-j]; if ((text[i] & MASK) != COMP) k--; } while (j--) text[i--] = tmp[j]; (*editpos)++; } } static void kbd_delchar(unsigned char* text, int* editpos) { int i = 0; unsigned char* utf8; if (*editpos > 0) { utf8 = text + utf8seek(text, *editpos); do { i++; utf8--; } while ((*utf8 & MASK) == COMP); while (utf8[i]) { *utf8 = utf8[i]; utf8++; } *utf8 = 0; (*editpos)--; } } /* Lookup k value based on state of param (pm) */ static int get_param_k(const struct keyboard_parameters *pm) { return (pm->page*pm->lines + pm->y)*pm->max_chars + pm->x; } int kbd_input(char* text, int buflen) { bool done = false; #ifdef CPU_ARM /* This seems to keep the sizes for ARM way down */ struct keyboard_parameters * volatile param = kbd_param; #else struct keyboard_parameters * const param = kbd_param; #endif int l; /* screen loop variable */ int text_w = 0; int editpos; /* Edit position on all screens */ const int statusbar_size = global_settings.statusbar ? STATUSBAR_HEIGHT : 0; unsigned short ch; unsigned char *utf8; bool cur_blink = true; /* Cursor on/off flag */ #ifdef KBD_MORSE_INPUT bool morse_reading = false; unsigned char morse_code = 0; int morse_tick = 0; char buf[2]; #endif FOR_NB_SCREENS(l) { struct keyboard_parameters *pm = ¶m[l]; #if LCD_WIDTH >= 160 && LCD_HEIGHT >= 96 struct screen *sc = &screens[l]; if (sc->width >= 160 && sc->height >= 96) { pm->default_kbd = "ABCDEFG abcdefg !?\" @#$%+'\n" "HIJKLMN hijklmn 789 &_()-`\n" "OPQRSTU opqrstu 456 §|{}/<\n" "VWXYZ., vwxyz.,0123 ~=[]*>\n" "ÀÁÂÃÄÅÆ ÌÍÎÏ ÈÉÊË ¢£¤¥¦§©®\n" "àáâãäåæ ìíîï èéêë «»°ºª¹²³\n" "ÓÒÔÕÖØ ÇÐÞÝß ÙÚÛÜ ¯±×÷¡¿µ·\n" "òóôõöø çðþýÿ ùúûü ¼½¾¬¶¨:;"; pm->DEFAULT_LINES = 8; } else #endif /* LCD_WIDTH >= 160 && LCD_HEIGHT >= 96 */ { pm->default_kbd = "ABCDEFG !?\" @#$%+'\n" "HIJKLMN 789 &_()-`\n" "OPQRSTU 456 §|{}/<\n" "VWXYZ.,0123 ~=[]*>\n" "abcdefg ¢£¤¥¦§©®¬\n" "hijklmn «»°ºª¹²³¶\n" "opqrstu ¯±×÷¡¿µ·¨\n" "vwxyz., :;¼½¾ \n" "ÀÁÂÃÄÅÆ ÌÍÎÏ ÈÉÊË\n" "àáâãäåæ ìíîï èéêë\n" "ÓÒÔÕÖØ ÇÐÞÝß ÙÚÛÜ\n" "òóôõöø çðþýÿ ùúûü"; pm->DEFAULT_LINES = 4; } } char outline[256]; #ifdef HAS_BUTTONBAR struct gui_buttonbar buttonbar; bool buttonbar_config = global_settings.buttonbar; global_settings.buttonbar = true; gui_buttonbar_init(&buttonbar); FOR_NB_SCREENS(l) gui_buttonbar_set_display(&buttonbar, &screens[l]); #endif FOR_NB_SCREENS(l) { struct keyboard_parameters *pm = ¶m[l]; if ( !kbd_loaded ) { /* Copy default keyboard to buffer */ const unsigned char *p = pm->default_kbd; int i = 0; pm->curfont = FONT_SYSFIXED; while (*p != 0) p = utf8decode(p, &pm->kbd_buf[i++]); pm->nchars = i; } else { pm->curfont = FONT_UI; } } FOR_NB_SCREENS(l) { struct keyboard_parameters *pm = ¶m[l]; struct screen *sc = &screens[l]; int i, w; pm->font = font_get(pm->curfont); pm->font_h = pm->font->height; /* check if FONT_UI fits the screen */ if (2*pm->font_h + 3 + statusbar_size + BUTTONBAR_HEIGHT > sc->height) { pm->font = font_get(FONT_SYSFIXED); pm->font_h = pm->font->height; pm->curfont = FONT_SYSFIXED; } sc->setfont(pm->curfont); /* find max width of keyboard glyphs */ for (i = 0; i < pm->nchars; i++) { w = font_get_width(pm->font, pm->kbd_buf[i]); if (w > pm->font_w) pm->font_w = w; } /* Since we're going to be adding spaces, make sure that we check * their width too */ w = font_get_width( pm->font, ' ' ); if ( w > pm->font_w ) pm->font_w = w; } FOR_NB_SCREENS(l) { struct keyboard_parameters *pm = ¶m[l]; struct screen *sc = &screens[l]; int i = 0; /* Pad lines with spaces */ while (i < pm->nchars) { if (pm->kbd_buf[i] == '\n') { int k = sc->width / pm->font_w - i % ( sc->width / pm->font_w ) - 1; int j; if (k == sc->width / pm->font_w - 1) { pm->nchars--; for (j = i; j < pm->nchars; j++) { pm->kbd_buf[j] = pm->kbd_buf[j + 1]; } } else { if (pm->nchars + k - 1 >= KBD_BUF_SIZE) { /* We don't want to overflow the buffer */ k = KBD_BUF_SIZE - pm->nchars; } for (j = pm->nchars + k - 1; j > i + k; j--) { pm->kbd_buf[j] = pm->kbd_buf[j-k]; } pm->nchars += k; k++; while (k--) { pm->kbd_buf[i++] = ' '; } } } else { i++; } } } /* Find max width for text string */ utf8 = text; FOR_NB_SCREENS(l) { struct keyboard_parameters *pm = ¶m[l]; struct screen *sc = &screens[l]; text_w = pm->font_w; while (*utf8) { int w = font_get_width(pm->font, ch); utf8 = (unsigned char*)utf8decode(utf8, &ch); if (w > text_w) text_w = w; } pm->max_chars_text = sc->width / text_w - 2; /* Calculate keyboard grid size */ pm->max_chars = sc->width / pm->font_w; if (!kbd_loaded) { pm->lines = pm->DEFAULT_LINES; pm->keyboard_margin = DEFAULT_MARGIN; } else { pm->lines = (sc->height - BUTTONBAR_HEIGHT - statusbar_size) / pm->font_h - 1; pm->keyboard_margin = sc->height - BUTTONBAR_HEIGHT - statusbar_size - (pm->lines+1)*pm->font_h; if (pm->keyboard_margin < 3) { pm->lines--; pm->keyboard_margin += pm->font_h; } if (pm->keyboard_margin > 6) pm->keyboard_margin = 6; } pm->pages = (pm->nchars + (pm->lines*pm->max_chars-1)) / (pm->lines*pm->max_chars); if (pm->pages == 1 && kbd_loaded) pm->lines = (pm->nchars + pm->max_chars - 1) / pm->max_chars; pm->main_y = pm->font_h*pm->lines + pm->keyboard_margin + statusbar_size; pm->main_x = 0; pm->keyboard_margin -= pm->keyboard_margin/2; #ifdef KBD_MORSE_INPUT pm->old_main_y = pm->main_y; if (morse_mode) pm->main_y = sc->height - pm->font_h; #endif } /* Initial edit position is after last character */ editpos = utf8length(text); if (global_settings.talk_menu) /* voice UI? */ talk_spell(text, true); /* spell initial text */ action_signalscreenchange(); while (!done) { /* These declarations are assigned to the screen on which the key action occurred - pointers save a lot of space over array notation when accessing the same array element countless times */ int button; #if NB_SCREENS > 1 int button_screen; #else const int button_screen = 0; #endif struct keyboard_parameters *pm; struct screen *sc; int len_utf8 = utf8length(text); FOR_NB_SCREENS(l) screens[l].clear_display(); #ifdef KBD_MORSE_INPUT if (morse_mode) { FOR_NB_SCREENS(l) { /* declare scoped pointers inside screen loops - hide the declarations from previous block level */ const int w = 6; /* sysfixed font width */ struct keyboard_parameters *pm = ¶m[l]; struct screen *sc = &screens[l]; int i; sc->setfont(FONT_SYSFIXED); /* Draw morse code screen with sysfont */ pm->x = 0; pm->y = statusbar_size; buf[1] = '\0'; /* Draw morse code table with code descriptions. */ for (i = 0; morse_alphabets[i] != '\0'; i++) { int morse_len; int j; buf[0] = morse_alphabets[i]; sc->putsxy(pm->x, pm->y, buf); for (j = 0; (morse_codes[i] >> j) > 0x01; j++) ; morse_len = j; pm->x += w + 3; for (j = 0; j < morse_len; j++) { if ((morse_codes[i] >> (morse_len-j-1)) & 0x01) sc->fillrect(pm->x + j*4, pm->y + 2, 3, 4); else sc->fillrect(pm->x + j*4, pm->y + 3, 1, 2); } pm->x += w*5 - 3; if (pm->x >= sc->width - w*6) { pm->x = 0; pm->y += 8; /* sysfixed font height */ } } } } else #endif /* KBD_MORSE_INPUT */ { /* draw page */ FOR_NB_SCREENS(l) { struct keyboard_parameters *pm = ¶m[l]; struct screen *sc = &screens[l]; int i, j, k; sc->setfont(pm->curfont); k = pm->page*pm->max_chars*pm->lines; for (i = j = 0; j < pm->lines && k < pm->nchars; k++) { int w; utf8 = utf8encode(pm->kbd_buf[k], outline); *utf8 = 0; sc->getstringsize(outline, &w, NULL); sc->putsxy(i*pm->font_w + (pm->font_w-w) / 2, j*pm->font_h + statusbar_size, outline); if (++i >= pm->max_chars) { i = 0; j++; } } } } /* separator */ FOR_NB_SCREENS(l) { struct keyboard_parameters *pm = ¶m[l]; struct screen *sc = &screens[l]; int i = 0, j = 0; /* Clear text area one pixel above separator line so any overdraw doesn't collide */ sc->set_drawmode(DRMODE_SOLID | DRMODE_INVERSEVID); sc->fillrect(0, pm->main_y - pm->keyboard_margin - 1, sc->width, pm->font_h + 4); sc->set_drawmode(DRMODE_SOLID); sc->hline(0, sc->width - 1, pm->main_y - pm->keyboard_margin); /* write out the text */ sc->setfont(pm->curfont); pm->curpos = MIN(editpos, pm->max_chars_text - MIN(len_utf8 - editpos, 2)); pm->leftpos = editpos - pm->curpos; utf8 = text + utf8seek(text, pm->leftpos); text_w = pm->font_w; while (*utf8 && i < pm->max_chars_text) { outline[j++] = *utf8++; if ((*utf8 & MASK) != COMP) { int w; outline[j] = 0; j=0; i++; sc->getstringsize(outline, &w, NULL); sc->putsxy(i*text_w + (text_w-w)/2, pm->main_y, outline); } } if (pm->leftpos > 0) { /* Draw nicer bitmap arrow if room, else settle for "<". */ if (text_w >= 6 && pm->font_h >= 8) { sc->mono_bitmap(bitmap_icons_6x8[Icon_Reverse_Cursor], (text_w - 6) / 2, pm->main_y + (pm->font_h - 8) / 2 , 6, 8); } else { int w; sc->getstringsize("<", &w, NULL); sc->putsxy(text_w - w, pm->main_y, "<"); } } if (len_utf8 - pm->leftpos > pm->max_chars_text) { /* Draw nicer bitmap arrow if room, else settle for ">". */ if (text_w >= 6 && pm->font_h >= 8) { sc->mono_bitmap(bitmap_icons_6x8[Icon_Cursor], sc->width - text_w + (text_w - 6) / 2, pm->main_y + (pm->font_h - 8) / 2, 6, 8); } else { sc->putsxy(sc->width - text_w, pm->main_y, ">"); } } /* cursor */ i = (pm->curpos + 1) * text_w; if (cur_blink) sc->vline(i, pm->main_y, pm->main_y + pm->font_h - 1); if (pm->hangul) /* draw underbar */ sc->hline(pm->curpos*text_w, (pm->curpos+1)*text_w, pm->main_y + pm->font_h - 1); } cur_blink = !cur_blink; #ifdef HAS_BUTTONBAR /* draw the button bar */ gui_buttonbar_set(&buttonbar, "Shift", "OK", "Del"); gui_buttonbar_draw(&buttonbar); #endif FOR_NB_SCREENS(l) { struct keyboard_parameters *pm = ¶m[l]; struct screen *sc = &screens[l]; sc->set_drawmode(DRMODE_COMPLEMENT); #ifdef KBD_MODES if (pm->line_edit) sc->fillrect(0, pm->main_y - pm->keyboard_margin + 2, sc->width, pm->font_h + 2); else /* highlight the key that has focus */ #endif sc->fillrect(pm->font_w*pm->x, statusbar_size + pm->font_h*pm->y, pm->font_w, pm->font_h); sc->set_drawmode(DRMODE_SOLID); } gui_syncstatusbar_draw(&statusbars, true); FOR_NB_SCREENS(l) screens[l].update(); button = get_action(CONTEXT_KEYBOARD, HZ/2); #if NB_SCREENS > 1 button_screen = (get_action_statuscode(NULL) & ACTION_REMOTE) ? 1 : 0; #endif pm = ¶m[button_screen]; sc = &screens[button_screen]; #if defined KBD_MORSE_INPUT && !defined KBD_MODES if (morse_mode) { /* Remap some buttons for morse mode. */ if (button == ACTION_KBD_LEFT) button = ACTION_KBD_CURSOR_LEFT; if (button == ACTION_KBD_RIGHT) button = ACTION_KBD_CURSOR_RIGHT; } #endif switch ( button ) { case ACTION_KBD_ABORT: FOR_NB_SCREENS(l) screens[l].setfont(FONT_UI); #ifdef HAS_BUTTONBAR global_settings.buttonbar=buttonbar_config; #endif action_signalscreenchange(); return -1; break; case ACTION_KBD_PAGE_FLIP: { int k; #ifdef KBD_MORSE_INPUT if (morse_mode) break; #endif if (++pm->page >= pm->pages) pm->page = 0; k = get_param_k(pm); kbd_spellchar(pm->kbd_buf[k]); break; } #ifdef KBD_MORSE_INPUT case ACTION_KBD_MORSE_INPUT: morse_mode = !morse_mode; FOR_NB_SCREENS(l) { struct keyboard_parameters *pm = ¶m[l]; struct screen *sc = &screens[l]; pm->x = pm->y = pm->page = 0; if (morse_mode) { pm->old_main_y = pm->main_y; pm->main_y = sc->height - pm->font_h; } else { pm->main_y = pm->old_main_y; } } /* FIXME: We should talk something like Morse mode.. */ break; #endif /* KBD_MORSE_INPUT */ case ACTION_KBD_RIGHT: #ifdef KBD_MODES #ifdef KBD_MORSE_INPUT /* allow cursor change in non line edit morse mode */ if (pm->line_edit || morse_mode) #else /* right doubles as cursor_right in line_edit */ if (pm->line_edit) #endif { pm->hangul = false; if (editpos < len_utf8) { int c = utf8seek(text, ++editpos); kbd_spellchar(text[c]); } } else #endif /* KBD_MODES */ { int k; #ifdef KBD_MORSE_INPUT if (morse_mode) break; #endif if (++pm->x >= pm->max_chars) { #ifndef KBD_PAGE_FLIP /* no dedicated flip key - flip page on wrap */ if (++pm->page >= pm->pages) pm->page = 0; #endif pm->x = 0; } k = get_param_k(pm); kbd_spellchar(pm->kbd_buf[k]); } break; case ACTION_KBD_LEFT: #ifdef KBD_MODES #ifdef KBD_MORSE_INPUT /* allow cursor change in non line edit morse mode */ if (pm->line_edit || morse_mode) #else /* left doubles as cursor_left in line_edit */ if (pm->line_edit) #endif { pm->hangul = false; if (editpos > 0) { int c = utf8seek(text, --editpos); kbd_spellchar(text[c]); } } else #endif /* KBD_MODES */ { int k; #ifdef KBD_MORSE_INPUT if (morse_mode) break; #endif if (--pm->x < 0) { #ifndef KBD_PAGE_FLIP /* no dedicated flip key - flip page on wrap */ if (--pm->page < 0) pm->page = pm->pages - 1; #endif pm->x = pm->max_chars - 1; } k = get_param_k(pm); kbd_spellchar(pm->kbd_buf[k]); } break; case ACTION_KBD_DOWN: #ifdef KBD_MORSE_INPUT #ifdef KBD_MODES if (morse_mode) pm->line_edit = !pm->line_edit; else #else if (morse_mode) break; #endif #endif /* KBD_MORSE_INPUT */ { #ifdef KBD_MODES if (pm->line_edit) { pm->y = 0; pm->line_edit = false; } else #endif if (++pm->y >= pm->lines) #ifdef KBD_MODES pm->line_edit = true; #else pm->y = 0; #endif } #ifdef KBD_MODES if (!pm->line_edit) #endif { int k = get_param_k(pm); kbd_spellchar(pm->kbd_buf[k]); } break; case ACTION_KBD_UP: #ifdef KBD_MORSE_INPUT #ifdef KBD_MODES if (morse_mode) pm->line_edit = !pm->line_edit; else #else if (morse_mode) break; #endif #endif /* KBD_MORSE_INPUT */ { #ifdef KBD_MODES if (pm->line_edit) { pm->y = pm->lines - 1; pm->line_edit = false; } else #endif if (--pm->y < 0) #ifdef KBD_MODES pm->line_edit = true; #else pm->y = pm->lines - 1; #endif } #ifdef KBD_MODES if (!pm->line_edit) #endif { int k = get_param_k(pm); kbd_spellchar(pm->kbd_buf[k]); } break; case ACTION_KBD_DONE: /* accepts what was entered and continues */ done = true; break; #ifdef KBD_MORSE_INPUT case ACTION_KBD_MORSE_SELECT: if (morse_mode && morse_reading) { morse_code <<= 1; if ((current_tick - morse_tick) > HZ/5) morse_code |= 0x01; } break; #endif /* KBD_MORSE_INPUT */ case ACTION_KBD_SELECT: case ACTION_KBD_SELECT_REM: #ifdef KBD_MORSE_INPUT #ifdef KBD_MODES if (morse_mode && !pm->line_edit) #else if (morse_mode) #endif { morse_tick = current_tick; if (!morse_reading) { morse_reading = true; morse_code = 1; } break; } #endif /* KBD_MORSE_INPUT */ /* inserts the selected char */ #ifdef KBD_MODES if (pm->line_edit) { /* select doubles as backspace in line_edit */ if (pm->hangul) { if (pm->htail) pm->htail = 0; else if (pm->hvowel) pm->hvowel = 0; else pm->hangul = false; } kbd_delchar(text, &editpos); if (pm->hangul) { if (pm->hvowel) ch = hangul_join(pm->hlead, pm->hvowel, pm->htail); else ch = pm->hlead; kbd_inschar(text, buflen, &editpos, ch); } } else #endif /* KBD_MODES */ { /* find input char */ int k = get_param_k(pm); ch = (k < pm->nchars) ? pm->kbd_buf[k] : ' '; /* check for hangul input */ if (ch >= 0x3131 && ch <= 0x3163) { unsigned short tmp; if (!pm->hangul) { pm->hlead = pm->hvowel = pm->htail = 0; pm->hangul = true; } if (!pm->hvowel) { pm->hvowel = ch; } else if (!pm->htail) { pm->htail = ch; } else { /* previous hangul complete */ /* check whether tail is actually lead of next char */ tmp = hangul_join(pm->htail, ch, 0); if (tmp != 0xfffd) { tmp = hangul_join(pm->hlead, pm->hvowel, 0); kbd_delchar(text, &editpos); kbd_inschar(text, buflen, &editpos, tmp); /* insert dummy char */ kbd_inschar(text, buflen, &editpos, ' '); pm->hlead = pm->htail; pm->hvowel = ch; pm->htail = 0; } else { pm->hvowel = pm->htail = 0; pm->hlead = ch; } } /* combine into hangul */ tmp = hangul_join(pm->hlead, pm->hvowel, pm->htail); if (tmp != 0xfffd) { kbd_delchar(text, &editpos); ch = tmp; } else { pm->hvowel = pm->htail = 0; pm->hlead = ch; } } else { pm->hangul = false; } /* insert char */ kbd_inschar(text, buflen, &editpos, ch); } if (global_settings.talk_menu) /* voice UI? */ talk_spell(text, false); /* speak revised text */ break; #if !defined (KBD_MODES) || defined (KBD_CURSOR_KEYS) case ACTION_KBD_BACKSPACE: if (pm->hangul) { if (pm->htail) pm->htail = 0; else if (pm->hvowel) pm->hvowel = 0; else pm->hangul = false; } kbd_delchar(text, &editpos); if (pm->hangul) { if (pm->hvowel) ch = hangul_join(pm->hlead, pm->hvowel, pm->htail); else ch = pm->hlead; kbd_inschar(text, buflen, &editpos, ch); } if (global_settings.talk_menu) /* voice UI? */ talk_spell(text, false); /* speak revised text */ break; case ACTION_KBD_CURSOR_RIGHT: pm->hangul = false; if (editpos < len_utf8) { int c = utf8seek(text, ++editpos); kbd_spellchar(text[c]); } break; case ACTION_KBD_CURSOR_LEFT: pm->hangul = false; if (editpos > 0) { int c = utf8seek(text, --editpos); kbd_spellchar(text[c]); } break; #endif /* !defined (KBD_MODES) || defined (KBD_CURSOR_KEYS) */ case BUTTON_NONE: gui_syncstatusbar_draw(&statusbars, false); #ifdef KBD_MORSE_INPUT if (morse_reading) { int j; 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 ; } /* turn off hangul input */ FOR_NB_SCREENS(l) param[l].hangul = false; kbd_inschar(text, buflen, &editpos, morse_alphabets[j]); if (global_settings.talk_menu) /* voice UI? */ talk_spell(text, false); /* speak revised text */ } #endif /* KBD_MORSE_INPUT */ break; default: if (default_event_handler(button) == SYS_USB_CONNECTED) { FOR_NB_SCREENS(l) screens[l].setfont(FONT_SYSFIXED); } break; } /* end switch */ if (button != BUTTON_NONE) { cur_blink = true; } } action_signalscreenchange(); #ifdef HAS_BUTTONBAR global_settings.buttonbar = buttonbar_config; #endif FOR_NB_SCREENS(l) screens[l].setfont(FONT_UI); return 0; }