| /* speakup.c |
| * review functions for the speakup screen review package. |
| * originally written by: Kirk Reiser and Andy Berdan. |
| * |
| * extensively modified by David Borowski. |
| * |
| ** Copyright (C) 1998 Kirk Reiser. |
| * Copyright (C) 2003 David Borowski. |
| * |
| * 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 program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/vt.h> |
| #include <linux/tty.h> |
| #include <linux/mm.h> /* __get_free_page() and friends */ |
| #include <linux/vt_kern.h> |
| #include <linux/ctype.h> |
| #include <linux/selection.h> |
| #include <linux/unistd.h> |
| #include <linux/jiffies.h> |
| #include <linux/kthread.h> |
| #include <linux/keyboard.h> /* for KT_SHIFT */ |
| #include <linux/kbd_kern.h> /* for vc_kbd_* and friends */ |
| #include <linux/input.h> |
| #include <linux/kmod.h> |
| |
| #include <linux/bootmem.h> /* for alloc_bootmem */ |
| |
| /* speakup_*_selection */ |
| #include <linux/module.h> |
| #include <linux/sched.h> |
| #include <linux/slab.h> |
| #include <linux/types.h> |
| #include <linux/consolemap.h> |
| |
| #include <linux/spinlock.h> |
| #include <linux/notifier.h> |
| |
| #include <linux/uaccess.h> /* copy_from|to|user() and others */ |
| |
| #include "spk_priv.h" |
| #include "speakup.h" |
| |
| #define MAX_DELAY msecs_to_jiffies(500) |
| #define MINECHOCHAR SPACE |
| |
| MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>"); |
| MODULE_AUTHOR("Daniel Drake <dsd@gentoo.org>"); |
| MODULE_DESCRIPTION("Speakup console speech"); |
| MODULE_LICENSE("GPL"); |
| MODULE_VERSION(SPEAKUP_VERSION); |
| |
| char *synth_name; |
| module_param_named(synth, synth_name, charp, S_IRUGO); |
| module_param_named(quiet, spk_quiet_boot, bool, S_IRUGO); |
| |
| MODULE_PARM_DESC(synth, "Synth to start if speakup is built in."); |
| MODULE_PARM_DESC(quiet, "Do not announce when the synthesizer is found."); |
| |
| special_func spk_special_handler; |
| |
| short spk_pitch_shift, synth_flags; |
| static char buf[256]; |
| int spk_attrib_bleep, spk_bleeps, spk_bleep_time = 10; |
| int spk_no_intr, spk_spell_delay; |
| int spk_key_echo, spk_say_word_ctl; |
| int spk_say_ctrl, spk_bell_pos; |
| short spk_punc_mask; |
| int spk_punc_level, spk_reading_punc; |
| char spk_str_caps_start[MAXVARLEN + 1] = "\0", spk_str_caps_stop[MAXVARLEN + 1] = "\0"; |
| const struct st_bits_data spk_punc_info[] = { |
| {"none", "", 0}, |
| {"some", "/$%&@", SOME}, |
| {"most", "$%&#()=+*/@^<>|\\", MOST}, |
| {"all", "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~", PUNC}, |
| {"delimiters", "", B_WDLM}, |
| {"repeats", "()", CH_RPT}, |
| {"extended numeric", "", B_EXNUM}, |
| {"symbols", "", B_SYM}, |
| {0, 0} |
| }; |
| |
| static char mark_cut_flag; |
| #define MAX_KEY 160 |
| u_char *spk_our_keys[MAX_KEY], *spk_shift_table; |
| u_char spk_key_buf[600]; |
| const u_char spk_key_defaults[] = { |
| #include "speakupmap.h" |
| }; |
| |
| /* Speakup Cursor Track Variables */ |
| static int cursor_track = 1, prev_cursor_track = 1; |
| |
| /* cursor track modes, must be ordered same as cursor_msgs */ |
| enum { |
| CT_Off = 0, |
| CT_On, |
| CT_Highlight, |
| CT_Window, |
| CT_Max |
| }; |
| #define read_all_mode CT_Max |
| |
| static struct tty_struct *tty; |
| |
| static void spkup_write(const char *in_buf, int count); |
| |
| static char *phonetic[] = { |
| "alfa", "bravo", "charlie", "delta", "echo", "foxtrot", "golf", "hotel", |
| "india", "juliett", "keelo", "leema", "mike", "november", "oscar", |
| "papa", |
| "keh beck", "romeo", "sierra", "tango", "uniform", "victer", "whiskey", |
| "x ray", "yankee", "zulu" |
| }; |
| |
| /* array of 256 char pointers (one for each character description) |
| * initialized to default_chars and user selectable via |
| * /proc/speakup/characters */ |
| char *spk_characters[256]; |
| |
| char *spk_default_chars[256] = { |
| /*000*/ "null", "^a", "^b", "^c", "^d", "^e", "^f", "^g", |
| /*008*/ "^h", "^i", "^j", "^k", "^l", "^m", "^n", "^o", |
| /*016*/ "^p", "^q", "^r", "^s", "^t", "^u", "^v", "^w", |
| /*024*/ "^x", "^y", "^z", "control", "control", "control", "control", |
| "control", |
| /*032*/ "space", "bang!", "quote", "number", "dollar", "percent", "and", |
| "tick", |
| /*040*/ "left paren", "right paren", "star", "plus", "comma", "dash", |
| "dot", |
| "slash", |
| /*048*/ "zero", "one", "two", "three", "four", "five", "six", "seven", |
| "eight", "nine", |
| /*058*/ "colon", "semmy", "less", "equals", "greater", "question", "at", |
| /*065*/ "EIGH", "B", "C", "D", "E", "F", "G", |
| /*072*/ "H", "I", "J", "K", "L", "M", "N", "O", |
| /*080*/ "P", "Q", "R", "S", "T", "U", "V", "W", "X", |
| /*089*/ "Y", "ZED", "left bracket", "backslash", "right bracket", |
| "caret", |
| "line", |
| /*096*/ "accent", "a", "b", "c", "d", "e", "f", "g", |
| /*104*/ "h", "i", "j", "k", "l", "m", "n", "o", |
| /*112*/ "p", "q", "r", "s", "t", "u", "v", "w", |
| /*120*/ "x", "y", "zed", "left brace", "bar", "right brace", "tihlduh", |
| /*127*/ "del", "control", "control", "control", "control", "control", |
| "control", "control", "control", "control", "control", |
| /*138*/ "control", "control", "control", "control", "control", |
| "control", "control", "control", "control", "control", |
| "control", "control", |
| /*150*/ "control", "control", "control", "control", "control", |
| "control", "control", "control", "control", "control", |
| /*160*/ "nbsp", "inverted bang", |
| /*162*/ "cents", "pounds", "currency", "yen", "broken bar", "section", |
| /*168*/ "diaeresis", "copyright", "female ordinal", "double left angle", |
| /*172*/ "not", "soft hyphen", "registered", "macron", |
| /*176*/ "degrees", "plus or minus", "super two", "super three", |
| /*180*/ "acute accent", "micro", "pilcrow", "middle dot", |
| /*184*/ "cedilla", "super one", "male ordinal", "double right angle", |
| /*188*/ "one quarter", "one half", "three quarters", |
| "inverted question", |
| /*192*/ "A GRAVE", "A ACUTE", "A CIRCUMFLEX", "A TILDE", "A OOMLAUT", |
| "A RING", |
| /*198*/ "AE", "C CIDELLA", "E GRAVE", "E ACUTE", "E CIRCUMFLEX", |
| "E OOMLAUT", |
| /*204*/ "I GRAVE", "I ACUTE", "I CIRCUMFLEX", "I OOMLAUT", "ETH", |
| "N TILDE", |
| /*210*/ "O GRAVE", "O ACUTE", "O CIRCUMFLEX", "O TILDE", "O OOMLAUT", |
| /*215*/ "multiplied by", "O STROKE", "U GRAVE", "U ACUTE", |
| "U CIRCUMFLEX", |
| /*220*/ "U OOMLAUT", "Y ACUTE", "THORN", "sharp s", "a grave", |
| /*225*/ "a acute", "a circumflex", "a tilde", "a oomlaut", "a ring", |
| /*230*/ "ae", "c cidella", "e grave", "e acute", |
| /*234*/ "e circumflex", "e oomlaut", "i grave", "i acute", |
| "i circumflex", |
| /*239*/ "i oomlaut", "eth", "n tilde", "o grave", "o acute", |
| "o circumflex", |
| /*245*/ "o tilde", "o oomlaut", "divided by", "o stroke", "u grave", |
| "u acute", |
| /* 251 */ "u circumflex", "u oomlaut", "y acute", "thorn", "y oomlaut" |
| }; |
| |
| /* array of 256 u_short (one for each character) |
| * initialized to default_chartab and user selectable via |
| * /sys/module/speakup/parameters/chartab */ |
| u_short spk_chartab[256]; |
| |
| static u_short default_chartab[256] = { |
| B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, /* 0-7 */ |
| B_CTL, B_CTL, A_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, /* 8-15 */ |
| B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, /*16-23 */ |
| B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, B_CTL, /* 24-31 */ |
| WDLM, A_PUNC, PUNC, PUNC, PUNC, PUNC, PUNC, A_PUNC, /* !"#$%&' */ |
| PUNC, PUNC, PUNC, PUNC, A_PUNC, A_PUNC, A_PUNC, PUNC, /* ()*+, -./ */ |
| NUM, NUM, NUM, NUM, NUM, NUM, NUM, NUM, /* 01234567 */ |
| NUM, NUM, A_PUNC, PUNC, PUNC, PUNC, PUNC, A_PUNC, /* 89:;<=>? */ |
| PUNC, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, /* @ABCDEFG */ |
| A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, /* HIJKLMNO */ |
| A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, /* PQRSTUVW */ |
| A_CAP, A_CAP, A_CAP, PUNC, PUNC, PUNC, PUNC, PUNC, /* XYZ[\]^_ */ |
| PUNC, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, /* `abcdefg */ |
| ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, /* hijklmno */ |
| ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, /* pqrstuvw */ |
| ALPHA, ALPHA, ALPHA, PUNC, PUNC, PUNC, PUNC, 0, /* xyz{|}~ */ |
| B_CAPSYM, B_CAPSYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, /* 128-134 */ |
| B_SYM, /* 135 */ |
| B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, /* 136-142 */ |
| B_CAPSYM, /* 143 */ |
| B_CAPSYM, B_CAPSYM, B_SYM, B_CAPSYM, B_SYM, B_SYM, B_SYM, /* 144-150 */ |
| B_SYM, /* 151 */ |
| B_SYM, B_SYM, B_CAPSYM, B_CAPSYM, B_SYM, B_SYM, B_SYM, /*152-158 */ |
| B_SYM, /* 159 */ |
| WDLM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_CAPSYM, /* 160-166 */ |
| B_SYM, /* 167 */ |
| B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, /* 168-175 */ |
| B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, /* 176-183 */ |
| B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, B_SYM, /* 184-191 */ |
| A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, /* 192-199 */ |
| A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, /* 200-207 */ |
| A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, B_SYM, /* 208-215 */ |
| A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, A_CAP, ALPHA, /* 216-223 */ |
| ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, /* 224-231 */ |
| ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, /* 232-239 */ |
| ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, B_SYM, /* 240-247 */ |
| ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA, ALPHA /* 248-255 */ |
| }; |
| |
| struct task_struct *speakup_task; |
| struct bleep spk_unprocessed_sound; |
| static int spk_keydown; |
| static u_char spk_lastkey, spk_close_press, keymap_flags; |
| static u_char last_keycode, this_speakup_key; |
| static u_long last_spk_jiffy; |
| |
| struct st_spk_t *speakup_console[MAX_NR_CONSOLES]; |
| |
| DEFINE_MUTEX(spk_mutex); |
| |
| static int keyboard_notifier_call(struct notifier_block *, |
| unsigned long code, void *param); |
| |
| static struct notifier_block keyboard_notifier_block = { |
| .notifier_call = keyboard_notifier_call, |
| }; |
| |
| static int vt_notifier_call(struct notifier_block *, |
| unsigned long code, void *param); |
| |
| static struct notifier_block vt_notifier_block = { |
| .notifier_call = vt_notifier_call, |
| }; |
| |
| static unsigned char get_attributes(u16 *pos) |
| { |
| return (u_char) (scr_readw(pos) >> 8); |
| } |
| |
| static void speakup_date(struct vc_data *vc) |
| { |
| spk_x = spk_cx = vc->vc_x; |
| spk_y = spk_cy = vc->vc_y; |
| spk_pos = spk_cp = vc->vc_pos; |
| spk_old_attr = spk_attr; |
| spk_attr = get_attributes((u_short *) spk_pos); |
| } |
| |
| static void bleep(u_short val) |
| { |
| static const short vals[] = { |
| 350, 370, 392, 414, 440, 466, 491, 523, 554, 587, 619, 659 |
| }; |
| short freq; |
| int time = spk_bleep_time; |
| freq = vals[val % 12]; |
| if (val > 11) |
| freq *= (1 << (val / 12)); |
| spk_unprocessed_sound.freq = freq; |
| spk_unprocessed_sound.jiffies = msecs_to_jiffies(time); |
| spk_unprocessed_sound.active = 1; |
| /* We can only have 1 active sound at a time. */ |
| } |
| |
| static void speakup_shut_up(struct vc_data *vc) |
| { |
| if (spk_killed) |
| return; |
| spk_shut_up |= 0x01; |
| spk_parked &= 0xfe; |
| speakup_date(vc); |
| if (synth != NULL) |
| spk_do_flush(); |
| } |
| |
| static void speech_kill(struct vc_data *vc) |
| { |
| char val = synth->is_alive(synth); |
| if (val == 0) |
| return; |
| |
| /* re-enables synth, if disabled */ |
| if (val == 2 || spk_killed) { |
| /* dead */ |
| spk_shut_up &= ~0x40; |
| synth_printf("%s\n", spk_msg_get(MSG_IAM_ALIVE)); |
| } else { |
| synth_printf("%s\n", spk_msg_get(MSG_YOU_KILLED_SPEAKUP)); |
| spk_shut_up |= 0x40; |
| } |
| } |
| |
| static void speakup_off(struct vc_data *vc) |
| { |
| if (spk_shut_up & 0x80) { |
| spk_shut_up &= 0x7f; |
| synth_printf("%s\n", spk_msg_get(MSG_HEY_THATS_BETTER)); |
| } else { |
| spk_shut_up |= 0x80; |
| synth_printf("%s\n", spk_msg_get(MSG_YOU_TURNED_ME_OFF)); |
| } |
| speakup_date(vc); |
| } |
| |
| static void speakup_parked(struct vc_data *vc) |
| { |
| if (spk_parked & 0x80) { |
| spk_parked = 0; |
| synth_printf("%s\n", spk_msg_get(MSG_UNPARKED)); |
| } else { |
| spk_parked |= 0x80; |
| synth_printf("%s\n", spk_msg_get(MSG_PARKED)); |
| } |
| } |
| |
| static void speakup_cut(struct vc_data *vc) |
| { |
| static const char err_buf[] = "set selection failed"; |
| int ret; |
| |
| if (!mark_cut_flag) { |
| mark_cut_flag = 1; |
| spk_xs = (u_short) spk_x; |
| spk_ys = (u_short) spk_y; |
| spk_sel_cons = vc; |
| synth_printf("%s\n", spk_msg_get(MSG_MARK)); |
| return; |
| } |
| spk_xe = (u_short) spk_x; |
| spk_ye = (u_short) spk_y; |
| mark_cut_flag = 0; |
| synth_printf("%s\n", spk_msg_get(MSG_CUT)); |
| |
| speakup_clear_selection(); |
| ret = speakup_set_selection(tty); |
| |
| switch (ret) { |
| case 0: |
| break; /* no error */ |
| case -EFAULT: |
| pr_warn("%sEFAULT\n", err_buf); |
| break; |
| case -EINVAL: |
| pr_warn("%sEINVAL\n", err_buf); |
| break; |
| case -ENOMEM: |
| pr_warn("%sENOMEM\n", err_buf); |
| break; |
| } |
| } |
| |
| static void speakup_paste(struct vc_data *vc) |
| { |
| if (mark_cut_flag) { |
| mark_cut_flag = 0; |
| synth_printf("%s\n", spk_msg_get(MSG_MARK_CLEARED)); |
| } else { |
| synth_printf("%s\n", spk_msg_get(MSG_PASTE)); |
| speakup_paste_selection(tty); |
| } |
| } |
| |
| static void say_attributes(struct vc_data *vc) |
| { |
| int fg = spk_attr & 0x0f; |
| int bg = spk_attr >> 4; |
| if (fg > 8) { |
| synth_printf("%s ", spk_msg_get(MSG_BRIGHT)); |
| fg -= 8; |
| } |
| synth_printf("%s", spk_msg_get(MSG_COLORS_START + fg)); |
| if (bg > 7) { |
| synth_printf(" %s ", spk_msg_get(MSG_ON_BLINKING)); |
| bg -= 8; |
| } else |
| synth_printf(" %s ", spk_msg_get(MSG_ON)); |
| synth_printf("%s\n", spk_msg_get(MSG_COLORS_START + bg)); |
| } |
| |
| enum { |
| edge_top = 1, |
| edge_bottom, |
| edge_left, |
| edge_right, |
| edge_quiet |
| }; |
| |
| static void announce_edge(struct vc_data *vc, int msg_id) |
| { |
| if (spk_bleeps & 1) |
| bleep(spk_y); |
| if ((spk_bleeps & 2) && (msg_id < edge_quiet)) |
| synth_printf("%s\n", spk_msg_get(MSG_EDGE_MSGS_START + msg_id - 1)); |
| } |
| |
| static void speak_char(u_char ch) |
| { |
| char *cp = spk_characters[ch]; |
| struct var_t *direct = spk_get_var(DIRECT); |
| if (direct && direct->u.n.value) { |
| if (IS_CHAR(ch, B_CAP)) { |
| spk_pitch_shift++; |
| synth_printf("%s", spk_str_caps_start); |
| } |
| synth_printf("%c", ch); |
| if (IS_CHAR(ch, B_CAP)) |
| synth_printf("%s", spk_str_caps_stop); |
| return; |
| } |
| if (cp == NULL) { |
| pr_info("speak_char: cp == NULL!\n"); |
| return; |
| } |
| synth_buffer_add(SPACE); |
| if (IS_CHAR(ch, B_CAP)) { |
| spk_pitch_shift++; |
| synth_printf("%s", spk_str_caps_start); |
| synth_printf("%s", cp); |
| synth_printf("%s", spk_str_caps_stop); |
| } else { |
| if (*cp == '^') { |
| synth_printf("%s", spk_msg_get(MSG_CTRL)); |
| cp++; |
| } |
| synth_printf("%s", cp); |
| } |
| synth_buffer_add(SPACE); |
| } |
| |
| static u16 get_char(struct vc_data *vc, u16 *pos, u_char *attribs) |
| { |
| u16 ch = ' '; |
| if (vc && pos) { |
| u16 w = scr_readw(pos); |
| u16 c = w & 0xff; |
| |
| if (w & vc->vc_hi_font_mask) |
| c |= 0x100; |
| |
| ch = inverse_translate(vc, c, 0); |
| *attribs = (w & 0xff00) >> 8; |
| } |
| return ch; |
| } |
| |
| static void say_char(struct vc_data *vc) |
| { |
| u_short ch; |
| spk_old_attr = spk_attr; |
| ch = get_char(vc, (u_short *) spk_pos, &spk_attr); |
| if (spk_attr != spk_old_attr) { |
| if (spk_attrib_bleep & 1) |
| bleep(spk_y); |
| if (spk_attrib_bleep & 2) |
| say_attributes(vc); |
| } |
| speak_char(ch & 0xff); |
| } |
| |
| static void say_phonetic_char(struct vc_data *vc) |
| { |
| u_short ch; |
| spk_old_attr = spk_attr; |
| ch = get_char(vc, (u_short *) spk_pos, &spk_attr); |
| if (isascii(ch) && isalpha(ch)) { |
| ch &= 0x1f; |
| synth_printf("%s\n", phonetic[--ch]); |
| } else { |
| if (IS_CHAR(ch, B_NUM)) |
| synth_printf("%s ", spk_msg_get(MSG_NUMBER)); |
| speak_char(ch); |
| } |
| } |
| |
| static void say_prev_char(struct vc_data *vc) |
| { |
| spk_parked |= 0x01; |
| if (spk_x == 0) { |
| announce_edge(vc, edge_left); |
| return; |
| } |
| spk_x--; |
| spk_pos -= 2; |
| say_char(vc); |
| } |
| |
| static void say_next_char(struct vc_data *vc) |
| { |
| spk_parked |= 0x01; |
| if (spk_x == vc->vc_cols - 1) { |
| announce_edge(vc, edge_right); |
| return; |
| } |
| spk_x++; |
| spk_pos += 2; |
| say_char(vc); |
| } |
| |
| /* get_word - will first check to see if the character under the |
| * reading cursor is a space and if spk_say_word_ctl is true it will |
| * return the word space. If spk_say_word_ctl is not set it will check to |
| * see if there is a word starting on the next position to the right |
| * and return that word if it exists. If it does not exist it will |
| * move left to the beginning of any previous word on the line or the |
| * beginning off the line whichever comes first.. */ |
| |
| static u_long get_word(struct vc_data *vc) |
| { |
| u_long cnt = 0, tmpx = spk_x, tmp_pos = spk_pos; |
| char ch; |
| u_short attr_ch; |
| u_char temp; |
| spk_old_attr = spk_attr; |
| ch = (char)get_char(vc, (u_short *) tmp_pos, &temp); |
| |
| /* decided to take out the sayword if on a space (mis-information */ |
| if (spk_say_word_ctl && ch == SPACE) { |
| *buf = '\0'; |
| synth_printf("%s\n", spk_msg_get(MSG_SPACE)); |
| return 0; |
| } else if ((tmpx < vc->vc_cols - 2) |
| && (ch == SPACE || ch == 0 || IS_WDLM(ch)) |
| && ((char)get_char(vc, (u_short *) &tmp_pos + 1, &temp) > |
| SPACE)) { |
| tmp_pos += 2; |
| tmpx++; |
| } else |
| while (tmpx > 0) { |
| ch = (char)get_char(vc, (u_short *) tmp_pos - 1, &temp); |
| if ((ch == SPACE || ch == 0 || IS_WDLM(ch)) |
| && ((char)get_char(vc, (u_short *) tmp_pos, &temp) > |
| SPACE)) |
| break; |
| tmp_pos -= 2; |
| tmpx--; |
| } |
| attr_ch = get_char(vc, (u_short *) tmp_pos, &spk_attr); |
| buf[cnt++] = attr_ch & 0xff; |
| while (tmpx < vc->vc_cols - 1) { |
| tmp_pos += 2; |
| tmpx++; |
| ch = (char)get_char(vc, (u_short *) tmp_pos, &temp); |
| if ((ch == SPACE) || ch == 0 |
| || (IS_WDLM(buf[cnt - 1]) && (ch > SPACE))) |
| break; |
| buf[cnt++] = ch; |
| } |
| buf[cnt] = '\0'; |
| return cnt; |
| } |
| |
| static void say_word(struct vc_data *vc) |
| { |
| u_long cnt = get_word(vc); |
| u_short saved_punc_mask = spk_punc_mask; |
| if (cnt == 0) |
| return; |
| spk_punc_mask = PUNC; |
| buf[cnt++] = SPACE; |
| spkup_write(buf, cnt); |
| spk_punc_mask = saved_punc_mask; |
| } |
| |
| static void say_prev_word(struct vc_data *vc) |
| { |
| u_char temp; |
| char ch; |
| u_short edge_said = 0, last_state = 0, state = 0; |
| spk_parked |= 0x01; |
| |
| if (spk_x == 0) { |
| if (spk_y == 0) { |
| announce_edge(vc, edge_top); |
| return; |
| } |
| spk_y--; |
| spk_x = vc->vc_cols; |
| edge_said = edge_quiet; |
| } |
| while (1) { |
| if (spk_x == 0) { |
| if (spk_y == 0) { |
| edge_said = edge_top; |
| break; |
| } |
| if (edge_said != edge_quiet) |
| edge_said = edge_left; |
| if (state > 0) |
| break; |
| spk_y--; |
| spk_x = vc->vc_cols - 1; |
| } else |
| spk_x--; |
| spk_pos -= 2; |
| ch = (char)get_char(vc, (u_short *) spk_pos, &temp); |
| if (ch == SPACE || ch == 0) |
| state = 0; |
| else if (IS_WDLM(ch)) |
| state = 1; |
| else |
| state = 2; |
| if (state < last_state) { |
| spk_pos += 2; |
| spk_x++; |
| break; |
| } |
| last_state = state; |
| } |
| if (spk_x == 0 && edge_said == edge_quiet) |
| edge_said = edge_left; |
| if (edge_said > 0 && edge_said < edge_quiet) |
| announce_edge(vc, edge_said); |
| say_word(vc); |
| } |
| |
| static void say_next_word(struct vc_data *vc) |
| { |
| u_char temp; |
| char ch; |
| u_short edge_said = 0, last_state = 2, state = 0; |
| spk_parked |= 0x01; |
| |
| if (spk_x == vc->vc_cols - 1 && spk_y == vc->vc_rows - 1) { |
| announce_edge(vc, edge_bottom); |
| return; |
| } |
| while (1) { |
| ch = (char)get_char(vc, (u_short *) spk_pos, &temp); |
| if (ch == SPACE || ch == 0) |
| state = 0; |
| else if (IS_WDLM(ch)) |
| state = 1; |
| else |
| state = 2; |
| if (state > last_state) |
| break; |
| if (spk_x >= vc->vc_cols - 1) { |
| if (spk_y == vc->vc_rows - 1) { |
| edge_said = edge_bottom; |
| break; |
| } |
| state = 0; |
| spk_y++; |
| spk_x = 0; |
| edge_said = edge_right; |
| } else |
| spk_x++; |
| spk_pos += 2; |
| last_state = state; |
| } |
| if (edge_said > 0) |
| announce_edge(vc, edge_said); |
| say_word(vc); |
| } |
| |
| static void spell_word(struct vc_data *vc) |
| { |
| static char *delay_str[] = { "", ",", ".", ". .", ". . ." }; |
| char *cp = buf, *str_cap = spk_str_caps_stop; |
| char *cp1, *last_cap = spk_str_caps_stop; |
| u_char ch; |
| if (!get_word(vc)) |
| return; |
| while ((ch = (u_char) *cp)) { |
| if (cp != buf) |
| synth_printf(" %s ", delay_str[spk_spell_delay]); |
| if (IS_CHAR(ch, B_CAP)) { |
| str_cap = spk_str_caps_start; |
| if (*spk_str_caps_stop) |
| spk_pitch_shift++; |
| else /* synth has no pitch */ |
| last_cap = spk_str_caps_stop; |
| } else |
| str_cap = spk_str_caps_stop; |
| if (str_cap != last_cap) { |
| synth_printf("%s", str_cap); |
| last_cap = str_cap; |
| } |
| if (this_speakup_key == SPELL_PHONETIC |
| && (isascii(ch) && isalpha(ch))) { |
| ch &= 31; |
| cp1 = phonetic[--ch]; |
| } else { |
| cp1 = spk_characters[ch]; |
| if (*cp1 == '^') { |
| synth_printf("%s", spk_msg_get(MSG_CTRL)); |
| cp1++; |
| } |
| } |
| synth_printf("%s", cp1); |
| cp++; |
| } |
| if (str_cap != spk_str_caps_stop) |
| synth_printf("%s", spk_str_caps_stop); |
| } |
| |
| static int get_line(struct vc_data *vc) |
| { |
| u_long tmp = spk_pos - (spk_x * 2); |
| int i = 0; |
| u_char tmp2; |
| |
| spk_old_attr = spk_attr; |
| spk_attr = get_attributes((u_short *) spk_pos); |
| for (i = 0; i < vc->vc_cols; i++) { |
| buf[i] = (u_char) get_char(vc, (u_short *) tmp, &tmp2); |
| tmp += 2; |
| } |
| for (--i; i >= 0; i--) |
| if (buf[i] != SPACE) |
| break; |
| return ++i; |
| } |
| |
| static void say_line(struct vc_data *vc) |
| { |
| int i = get_line(vc); |
| char *cp; |
| u_short saved_punc_mask = spk_punc_mask; |
| if (i == 0) { |
| synth_printf("%s\n", spk_msg_get(MSG_BLANK)); |
| return; |
| } |
| buf[i++] = '\n'; |
| if (this_speakup_key == SAY_LINE_INDENT) { |
| cp = buf; |
| while (*cp == SPACE) |
| cp++; |
| synth_printf("%d, ", (cp - buf) + 1); |
| } |
| spk_punc_mask = spk_punc_masks[spk_reading_punc]; |
| spkup_write(buf, i); |
| spk_punc_mask = saved_punc_mask; |
| } |
| |
| static void say_prev_line(struct vc_data *vc) |
| { |
| spk_parked |= 0x01; |
| if (spk_y == 0) { |
| announce_edge(vc, edge_top); |
| return; |
| } |
| spk_y--; |
| spk_pos -= vc->vc_size_row; |
| say_line(vc); |
| } |
| |
| static void say_next_line(struct vc_data *vc) |
| { |
| spk_parked |= 0x01; |
| if (spk_y == vc->vc_rows - 1) { |
| announce_edge(vc, edge_bottom); |
| return; |
| } |
| spk_y++; |
| spk_pos += vc->vc_size_row; |
| say_line(vc); |
| } |
| |
| static int say_from_to(struct vc_data *vc, u_long from, u_long to, |
| int read_punc) |
| { |
| int i = 0; |
| u_char tmp; |
| u_short saved_punc_mask = spk_punc_mask; |
| spk_old_attr = spk_attr; |
| spk_attr = get_attributes((u_short *) from); |
| while (from < to) { |
| buf[i++] = (char)get_char(vc, (u_short *) from, &tmp); |
| from += 2; |
| if (i >= vc->vc_size_row) |
| break; |
| } |
| for (--i; i >= 0; i--) |
| if (buf[i] != SPACE) |
| break; |
| buf[++i] = SPACE; |
| buf[++i] = '\0'; |
| if (i < 1) |
| return i; |
| if (read_punc) |
| spk_punc_mask = spk_punc_info[spk_reading_punc].mask; |
| spkup_write(buf, i); |
| if (read_punc) |
| spk_punc_mask = saved_punc_mask; |
| return i - 1; |
| } |
| |
| static void say_line_from_to(struct vc_data *vc, u_long from, u_long to, |
| int read_punc) |
| { |
| u_long start = vc->vc_origin + (spk_y * vc->vc_size_row); |
| u_long end = start + (to * 2); |
| start += from * 2; |
| if (say_from_to(vc, start, end, read_punc) <= 0) |
| if (cursor_track != read_all_mode) |
| synth_printf("%s\n", spk_msg_get(MSG_BLANK)); |
| } |
| |
| /* Sentence Reading Commands */ |
| |
| static int currsentence; |
| static int numsentences[2]; |
| static char *sentbufend[2]; |
| static char *sentmarks[2][10]; |
| static int currbuf; |
| static int bn; |
| static char sentbuf[2][256]; |
| |
| static int say_sentence_num(int num, int prev) |
| { |
| bn = currbuf; |
| currsentence = num + 1; |
| if (prev && --bn == -1) |
| bn = 1; |
| |
| if (num > numsentences[bn]) |
| return 0; |
| |
| spkup_write(sentmarks[bn][num], sentbufend[bn] - sentmarks[bn][num]); |
| return 1; |
| } |
| |
| static int get_sentence_buf(struct vc_data *vc, int read_punc) |
| { |
| u_long start, end; |
| int i, bn; |
| u_char tmp; |
| |
| currbuf++; |
| if (currbuf == 2) |
| currbuf = 0; |
| bn = currbuf; |
| start = vc->vc_origin + ((spk_y) * vc->vc_size_row); |
| end = vc->vc_origin + ((spk_y) * vc->vc_size_row) + vc->vc_cols * 2; |
| |
| numsentences[bn] = 0; |
| sentmarks[bn][0] = &sentbuf[bn][0]; |
| i = 0; |
| spk_old_attr = spk_attr; |
| spk_attr = get_attributes((u_short *) start); |
| |
| while (start < end) { |
| sentbuf[bn][i] = (char)get_char(vc, (u_short *) start, &tmp); |
| if (i > 0) { |
| if (sentbuf[bn][i] == SPACE && sentbuf[bn][i - 1] == '.' |
| && numsentences[bn] < 9) { |
| /* Sentence Marker */ |
| numsentences[bn]++; |
| sentmarks[bn][numsentences[bn]] = |
| &sentbuf[bn][i]; |
| } |
| } |
| i++; |
| start += 2; |
| if (i >= vc->vc_size_row) |
| break; |
| } |
| |
| for (--i; i >= 0; i--) |
| if (sentbuf[bn][i] != SPACE) |
| break; |
| |
| if (i < 1) |
| return -1; |
| |
| sentbuf[bn][++i] = SPACE; |
| sentbuf[bn][++i] = '\0'; |
| |
| sentbufend[bn] = &sentbuf[bn][i]; |
| return numsentences[bn]; |
| } |
| |
| static void say_screen_from_to(struct vc_data *vc, u_long from, u_long to) |
| { |
| u_long start = vc->vc_origin, end; |
| if (from > 0) |
| start += from * vc->vc_size_row; |
| if (to > vc->vc_rows) |
| to = vc->vc_rows; |
| end = vc->vc_origin + (to * vc->vc_size_row); |
| for (from = start; from < end; from = to) { |
| to = from + vc->vc_size_row; |
| say_from_to(vc, from, to, 1); |
| } |
| } |
| |
| static void say_screen(struct vc_data *vc) |
| { |
| say_screen_from_to(vc, 0, vc->vc_rows); |
| } |
| |
| static void speakup_win_say(struct vc_data *vc) |
| { |
| u_long start, end, from, to; |
| if (win_start < 2) { |
| synth_printf("%s\n", spk_msg_get(MSG_NO_WINDOW)); |
| return; |
| } |
| start = vc->vc_origin + (win_top * vc->vc_size_row); |
| end = vc->vc_origin + (win_bottom * vc->vc_size_row); |
| while (start <= end) { |
| from = start + (win_left * 2); |
| to = start + (win_right * 2); |
| say_from_to(vc, from, to, 1); |
| start += vc->vc_size_row; |
| } |
| } |
| |
| static void top_edge(struct vc_data *vc) |
| { |
| spk_parked |= 0x01; |
| spk_pos = vc->vc_origin + 2 * spk_x; |
| spk_y = 0; |
| say_line(vc); |
| } |
| |
| static void bottom_edge(struct vc_data *vc) |
| { |
| spk_parked |= 0x01; |
| spk_pos += (vc->vc_rows - spk_y - 1) * vc->vc_size_row; |
| spk_y = vc->vc_rows - 1; |
| say_line(vc); |
| } |
| |
| static void left_edge(struct vc_data *vc) |
| { |
| spk_parked |= 0x01; |
| spk_pos -= spk_x * 2; |
| spk_x = 0; |
| say_char(vc); |
| } |
| |
| static void right_edge(struct vc_data *vc) |
| { |
| spk_parked |= 0x01; |
| spk_pos += (vc->vc_cols - spk_x - 1) * 2; |
| spk_x = vc->vc_cols - 1; |
| say_char(vc); |
| } |
| |
| static void say_first_char(struct vc_data *vc) |
| { |
| int i, len = get_line(vc); |
| u_char ch; |
| spk_parked |= 0x01; |
| if (len == 0) { |
| synth_printf("%s\n", spk_msg_get(MSG_BLANK)); |
| return; |
| } |
| for (i = 0; i < len; i++) |
| if (buf[i] != SPACE) |
| break; |
| ch = buf[i]; |
| spk_pos -= (spk_x - i) * 2; |
| spk_x = i; |
| synth_printf("%d, ", ++i); |
| speak_char(ch); |
| } |
| |
| static void say_last_char(struct vc_data *vc) |
| { |
| int len = get_line(vc); |
| u_char ch; |
| spk_parked |= 0x01; |
| if (len == 0) { |
| synth_printf("%s\n", spk_msg_get(MSG_BLANK)); |
| return; |
| } |
| ch = buf[--len]; |
| spk_pos -= (spk_x - len) * 2; |
| spk_x = len; |
| synth_printf("%d, ", ++len); |
| speak_char(ch); |
| } |
| |
| static void say_position(struct vc_data *vc) |
| { |
| synth_printf(spk_msg_get(MSG_POS_INFO), spk_y + 1, spk_x + 1, |
| vc->vc_num + 1); |
| synth_printf("\n"); |
| } |
| |
| /* Added by brianb */ |
| static void say_char_num(struct vc_data *vc) |
| { |
| u_char tmp; |
| u_short ch = get_char(vc, (u_short *) spk_pos, &tmp); |
| ch &= 0xff; |
| synth_printf(spk_msg_get(MSG_CHAR_INFO), ch, ch); |
| } |
| |
| /* these are stub functions to keep keyboard.c happy. */ |
| |
| static void say_from_top(struct vc_data *vc) |
| { |
| say_screen_from_to(vc, 0, spk_y); |
| } |
| |
| static void say_to_bottom(struct vc_data *vc) |
| { |
| say_screen_from_to(vc, spk_y, vc->vc_rows); |
| } |
| |
| static void say_from_left(struct vc_data *vc) |
| { |
| say_line_from_to(vc, 0, spk_x, 1); |
| } |
| |
| static void say_to_right(struct vc_data *vc) |
| { |
| say_line_from_to(vc, spk_x, vc->vc_cols, 1); |
| } |
| |
| /* end of stub functions. */ |
| |
| static void spkup_write(const char *in_buf, int count) |
| { |
| static int rep_count; |
| static u_char ch = '\0', old_ch = '\0'; |
| static u_short char_type, last_type; |
| int in_count = count; |
| spk_keydown = 0; |
| while (count--) { |
| if (cursor_track == read_all_mode) { |
| /* Insert Sentence Index */ |
| if ((in_buf == sentmarks[bn][currsentence]) && |
| (currsentence <= numsentences[bn])) |
| synth_insert_next_index(currsentence++); |
| } |
| ch = (u_char) *in_buf++; |
| char_type = spk_chartab[ch]; |
| if (ch == old_ch && !(char_type & B_NUM)) { |
| if (++rep_count > 2) |
| continue; |
| } else { |
| if ((last_type & CH_RPT) && rep_count > 2) { |
| synth_printf(" "); |
| synth_printf(spk_msg_get(MSG_REPEAT_DESC), |
| ++rep_count); |
| synth_printf(" "); |
| } |
| rep_count = 0; |
| } |
| if (ch == spk_lastkey) { |
| rep_count = 0; |
| if (spk_key_echo == 1 && ch >= MINECHOCHAR) |
| speak_char(ch); |
| } else if (char_type & B_ALPHA) { |
| if ((synth_flags & SF_DEC) && (last_type & PUNC)) |
| synth_buffer_add(SPACE); |
| synth_printf("%c", ch); |
| } else if (char_type & B_NUM) { |
| rep_count = 0; |
| synth_printf("%c", ch); |
| } else if (char_type & spk_punc_mask) { |
| speak_char(ch); |
| char_type &= ~PUNC; /* for dec nospell processing */ |
| } else if (char_type & SYNTH_OK) { |
| /* these are usually puncts like . and , which synth |
| * needs for expression. |
| * suppress multiple to get rid of long pauses and |
| * clear repeat count |
| * so if someone has |
| * repeats on you don't get nothing repeated count */ |
| if (ch != old_ch) |
| synth_printf("%c", ch); |
| else |
| rep_count = 0; |
| } else { |
| /* send space and record position, if next is num overwrite space */ |
| if (old_ch != ch) |
| synth_buffer_add(SPACE); |
| else |
| rep_count = 0; |
| } |
| old_ch = ch; |
| last_type = char_type; |
| } |
| spk_lastkey = 0; |
| if (in_count > 2 && rep_count > 2) { |
| if (last_type & CH_RPT) { |
| synth_printf(" "); |
| synth_printf(spk_msg_get(MSG_REPEAT_DESC2), ++rep_count); |
| synth_printf(" "); |
| } |
| rep_count = 0; |
| } |
| } |
| |
| static const int NUM_CTL_LABELS = (MSG_CTL_END - MSG_CTL_START + 1); |
| |
| static void read_all_doc(struct vc_data *vc); |
| static void cursor_done(u_long data); |
| static DEFINE_TIMER(cursor_timer, cursor_done, 0, 0); |
| |
| static void do_handle_shift(struct vc_data *vc, u_char value, char up_flag) |
| { |
| unsigned long flags; |
| if (synth == NULL || up_flag || spk_killed) |
| return; |
| spin_lock_irqsave(&speakup_info.spinlock, flags); |
| if (cursor_track == read_all_mode) { |
| switch (value) { |
| case KVAL(K_SHIFT): |
| del_timer(&cursor_timer); |
| spk_shut_up &= 0xfe; |
| spk_do_flush(); |
| read_all_doc(vc); |
| break; |
| case KVAL(K_CTRL): |
| del_timer(&cursor_timer); |
| cursor_track = prev_cursor_track; |
| spk_shut_up &= 0xfe; |
| spk_do_flush(); |
| break; |
| } |
| } else { |
| spk_shut_up &= 0xfe; |
| spk_do_flush(); |
| } |
| if (spk_say_ctrl && value < NUM_CTL_LABELS) |
| synth_printf("%s", spk_msg_get(MSG_CTL_START + value)); |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| } |
| |
| static void do_handle_latin(struct vc_data *vc, u_char value, char up_flag) |
| { |
| unsigned long flags; |
| spin_lock_irqsave(&speakup_info.spinlock, flags); |
| if (up_flag) { |
| spk_lastkey = spk_keydown = 0; |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| return; |
| } |
| if (synth == NULL || spk_killed) { |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| return; |
| } |
| spk_shut_up &= 0xfe; |
| spk_lastkey = value; |
| spk_keydown++; |
| spk_parked &= 0xfe; |
| if (spk_key_echo == 2 && value >= MINECHOCHAR) |
| speak_char(value); |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| } |
| |
| int spk_set_key_info(const u_char *key_info, u_char *k_buffer) |
| { |
| int i = 0, states, key_data_len; |
| const u_char *cp = key_info; |
| u_char *cp1 = k_buffer; |
| u_char ch, version, num_keys; |
| version = *cp++; |
| if (version != KEY_MAP_VER) |
| return -1; |
| num_keys = *cp; |
| states = (int)cp[1]; |
| key_data_len = (states + 1) * (num_keys + 1); |
| if (key_data_len + SHIFT_TBL_SIZE + 4 >= sizeof(spk_key_buf)) |
| return -2; |
| memset(k_buffer, 0, SHIFT_TBL_SIZE); |
| memset(spk_our_keys, 0, sizeof(spk_our_keys)); |
| spk_shift_table = k_buffer; |
| spk_our_keys[0] = spk_shift_table; |
| cp1 += SHIFT_TBL_SIZE; |
| memcpy(cp1, cp, key_data_len + 3); |
| /* get num_keys, states and data */ |
| cp1 += 2; /* now pointing at shift states */ |
| for (i = 1; i <= states; i++) { |
| ch = *cp1++; |
| if (ch >= SHIFT_TBL_SIZE) |
| return -3; |
| spk_shift_table[ch] = i; |
| } |
| keymap_flags = *cp1++; |
| while ((ch = *cp1)) { |
| if (ch >= MAX_KEY) |
| return -4; |
| spk_our_keys[ch] = cp1; |
| cp1 += states + 1; |
| } |
| return 0; |
| } |
| |
| static struct var_t spk_vars[] = { |
| /* bell must be first to set high limit */ |
| {BELL_POS, .u.n = {NULL, 0, 0, 0, 0, 0, NULL} }, |
| {SPELL_DELAY, .u.n = {NULL, 0, 0, 4, 0, 0, NULL} }, |
| {ATTRIB_BLEEP, .u.n = {NULL, 1, 0, 3, 0, 0, NULL} }, |
| {BLEEPS, .u.n = {NULL, 3, 0, 3, 0, 0, NULL} }, |
| {BLEEP_TIME, .u.n = {NULL, 30, 1, 200, 0, 0, NULL} }, |
| {PUNC_LEVEL, .u.n = {NULL, 1, 0, 4, 0, 0, NULL} }, |
| {READING_PUNC, .u.n = {NULL, 1, 0, 4, 0, 0, NULL} }, |
| {CURSOR_TIME, .u.n = {NULL, 120, 50, 600, 0, 0, NULL} }, |
| {SAY_CONTROL, TOGGLE_0}, |
| {SAY_WORD_CTL, TOGGLE_0}, |
| {NO_INTERRUPT, TOGGLE_0}, |
| {KEY_ECHO, .u.n = {NULL, 1, 0, 2, 0, 0, NULL} }, |
| V_LAST_VAR |
| }; |
| |
| static void toggle_cursoring(struct vc_data *vc) |
| { |
| if (cursor_track == read_all_mode) |
| cursor_track = prev_cursor_track; |
| if (++cursor_track >= CT_Max) |
| cursor_track = 0; |
| synth_printf("%s\n", spk_msg_get(MSG_CURSOR_MSGS_START + cursor_track)); |
| } |
| |
| void spk_reset_default_chars(void) |
| { |
| int i; |
| |
| /* First, free any non-default */ |
| for (i = 0; i < 256; i++) { |
| if ((spk_characters[i] != NULL) |
| && (spk_characters[i] != spk_default_chars[i])) |
| kfree(spk_characters[i]); |
| } |
| |
| memcpy(spk_characters, spk_default_chars, sizeof(spk_default_chars)); |
| } |
| |
| void spk_reset_default_chartab(void) |
| { |
| memcpy(spk_chartab, default_chartab, sizeof(default_chartab)); |
| } |
| |
| static const struct st_bits_data *pb_edit; |
| |
| static int edit_bits(struct vc_data *vc, u_char type, u_char ch, u_short key) |
| { |
| short mask = pb_edit->mask, ch_type = spk_chartab[ch]; |
| if (type != KT_LATIN || (ch_type & B_NUM) || ch < SPACE) |
| return -1; |
| if (ch == SPACE) { |
| synth_printf("%s\n", spk_msg_get(MSG_EDIT_DONE)); |
| spk_special_handler = NULL; |
| return 1; |
| } |
| if (mask < PUNC && !(ch_type & PUNC)) |
| return -1; |
| spk_chartab[ch] ^= mask; |
| speak_char(ch); |
| synth_printf(" %s\n", |
| (spk_chartab[ch] & mask) ? spk_msg_get(MSG_ON) : |
| spk_msg_get(MSG_OFF)); |
| return 1; |
| } |
| |
| /* Allocation concurrency is protected by the console semaphore */ |
| int speakup_allocate(struct vc_data *vc) |
| { |
| int vc_num; |
| |
| vc_num = vc->vc_num; |
| if (speakup_console[vc_num] == NULL) { |
| speakup_console[vc_num] = kzalloc(sizeof(*speakup_console[0]), |
| GFP_ATOMIC); |
| if (speakup_console[vc_num] == NULL) |
| return -ENOMEM; |
| speakup_date(vc); |
| } else if (!spk_parked) |
| speakup_date(vc); |
| |
| return 0; |
| } |
| |
| void speakup_deallocate(struct vc_data *vc) |
| { |
| int vc_num; |
| |
| vc_num = vc->vc_num; |
| kfree(speakup_console[vc_num]); |
| speakup_console[vc_num] = NULL; |
| } |
| |
| static u_char is_cursor; |
| static u_long old_cursor_pos, old_cursor_x, old_cursor_y; |
| static int cursor_con; |
| |
| static void reset_highlight_buffers(struct vc_data *); |
| |
| static int read_all_key; |
| |
| static void start_read_all_timer(struct vc_data *vc, int command); |
| |
| enum { |
| RA_NOTHING, |
| RA_NEXT_SENT, |
| RA_PREV_LINE, |
| RA_NEXT_LINE, |
| RA_PREV_SENT, |
| RA_DOWN_ARROW, |
| RA_TIMER, |
| RA_FIND_NEXT_SENT, |
| RA_FIND_PREV_SENT, |
| }; |
| |
| static void kbd_fakekey2(struct vc_data *vc, int command) |
| { |
| del_timer(&cursor_timer); |
| speakup_fake_down_arrow(); |
| start_read_all_timer(vc, command); |
| } |
| |
| static void read_all_doc(struct vc_data *vc) |
| { |
| if ((vc->vc_num != fg_console) || synth == NULL || spk_shut_up) |
| return; |
| if (!synth_supports_indexing()) |
| return; |
| if (cursor_track != read_all_mode) |
| prev_cursor_track = cursor_track; |
| cursor_track = read_all_mode; |
| spk_reset_index_count(0); |
| if (get_sentence_buf(vc, 0) == -1) |
| kbd_fakekey2(vc, RA_DOWN_ARROW); |
| else { |
| say_sentence_num(0, 0); |
| synth_insert_next_index(0); |
| start_read_all_timer(vc, RA_TIMER); |
| } |
| } |
| |
| static void stop_read_all(struct vc_data *vc) |
| { |
| del_timer(&cursor_timer); |
| cursor_track = prev_cursor_track; |
| spk_shut_up &= 0xfe; |
| spk_do_flush(); |
| } |
| |
| static void start_read_all_timer(struct vc_data *vc, int command) |
| { |
| struct var_t *cursor_timeout; |
| |
| cursor_con = vc->vc_num; |
| read_all_key = command; |
| cursor_timeout = spk_get_var(CURSOR_TIME); |
| mod_timer(&cursor_timer, |
| jiffies + msecs_to_jiffies(cursor_timeout->u.n.value)); |
| } |
| |
| static void handle_cursor_read_all(struct vc_data *vc, int command) |
| { |
| int indcount, sentcount, rv, sn; |
| |
| switch (command) { |
| case RA_NEXT_SENT: |
| /* Get Current Sentence */ |
| spk_get_index_count(&indcount, &sentcount); |
| /*printk("%d %d ", indcount, sentcount); */ |
| spk_reset_index_count(sentcount + 1); |
| if (indcount == 1) { |
| if (!say_sentence_num(sentcount + 1, 0)) { |
| kbd_fakekey2(vc, RA_FIND_NEXT_SENT); |
| return; |
| } |
| synth_insert_next_index(0); |
| } else { |
| sn = 0; |
| if (!say_sentence_num(sentcount + 1, 1)) { |
| sn = 1; |
| spk_reset_index_count(sn); |
| } else |
| synth_insert_next_index(0); |
| if (!say_sentence_num(sn, 0)) { |
| kbd_fakekey2(vc, RA_FIND_NEXT_SENT); |
| return; |
| } |
| synth_insert_next_index(0); |
| } |
| start_read_all_timer(vc, RA_TIMER); |
| break; |
| case RA_PREV_SENT: |
| break; |
| case RA_NEXT_LINE: |
| read_all_doc(vc); |
| break; |
| case RA_PREV_LINE: |
| break; |
| case RA_DOWN_ARROW: |
| if (get_sentence_buf(vc, 0) == -1) { |
| kbd_fakekey2(vc, RA_DOWN_ARROW); |
| } else { |
| say_sentence_num(0, 0); |
| synth_insert_next_index(0); |
| start_read_all_timer(vc, RA_TIMER); |
| } |
| break; |
| case RA_FIND_NEXT_SENT: |
| rv = get_sentence_buf(vc, 0); |
| if (rv == -1) |
| read_all_doc(vc); |
| if (rv == 0) |
| kbd_fakekey2(vc, RA_FIND_NEXT_SENT); |
| else { |
| say_sentence_num(1, 0); |
| synth_insert_next_index(0); |
| start_read_all_timer(vc, RA_TIMER); |
| } |
| break; |
| case RA_FIND_PREV_SENT: |
| break; |
| case RA_TIMER: |
| spk_get_index_count(&indcount, &sentcount); |
| if (indcount < 2) |
| kbd_fakekey2(vc, RA_DOWN_ARROW); |
| else |
| start_read_all_timer(vc, RA_TIMER); |
| break; |
| } |
| } |
| |
| static int pre_handle_cursor(struct vc_data *vc, u_char value, char up_flag) |
| { |
| unsigned long flags; |
| spin_lock_irqsave(&speakup_info.spinlock, flags); |
| if (cursor_track == read_all_mode) { |
| spk_parked &= 0xfe; |
| if (synth == NULL || up_flag || spk_shut_up) { |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| return NOTIFY_STOP; |
| } |
| del_timer(&cursor_timer); |
| spk_shut_up &= 0xfe; |
| spk_do_flush(); |
| start_read_all_timer(vc, value + 1); |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| return NOTIFY_STOP; |
| } |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| return NOTIFY_OK; |
| } |
| |
| static void do_handle_cursor(struct vc_data *vc, u_char value, char up_flag) |
| { |
| unsigned long flags; |
| struct var_t *cursor_timeout; |
| |
| spin_lock_irqsave(&speakup_info.spinlock, flags); |
| spk_parked &= 0xfe; |
| if (synth == NULL || up_flag || spk_shut_up || cursor_track == CT_Off) { |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| return; |
| } |
| spk_shut_up &= 0xfe; |
| if (spk_no_intr) |
| spk_do_flush(); |
| /* the key press flushes if !no_inter but we want to flush on cursor |
| * moves regardless of no_inter state */ |
| is_cursor = value + 1; |
| old_cursor_pos = vc->vc_pos; |
| old_cursor_x = vc->vc_x; |
| old_cursor_y = vc->vc_y; |
| speakup_console[vc->vc_num]->ht.cy = vc->vc_y; |
| cursor_con = vc->vc_num; |
| if (cursor_track == CT_Highlight) |
| reset_highlight_buffers(vc); |
| cursor_timeout = spk_get_var(CURSOR_TIME); |
| mod_timer(&cursor_timer, |
| jiffies + msecs_to_jiffies(cursor_timeout->u.n.value)); |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| } |
| |
| static void update_color_buffer(struct vc_data *vc, const char *ic, int len) |
| { |
| int i, bi, hi; |
| int vc_num = vc->vc_num; |
| |
| bi = ((vc->vc_attr & 0x70) >> 4); |
| hi = speakup_console[vc_num]->ht.highsize[bi]; |
| |
| i = 0; |
| if (speakup_console[vc_num]->ht.highsize[bi] == 0) { |
| speakup_console[vc_num]->ht.rpos[bi] = vc->vc_pos; |
| speakup_console[vc_num]->ht.rx[bi] = vc->vc_x; |
| speakup_console[vc_num]->ht.ry[bi] = vc->vc_y; |
| } |
| while ((hi < COLOR_BUFFER_SIZE) && (i < len)) { |
| if ((ic[i] > 32) && (ic[i] < 127)) { |
| speakup_console[vc_num]->ht.highbuf[bi][hi] = ic[i]; |
| hi++; |
| } else if ((ic[i] == 32) && (hi != 0)) { |
| if (speakup_console[vc_num]->ht.highbuf[bi][hi - 1] != |
| 32) { |
| speakup_console[vc_num]->ht.highbuf[bi][hi] = |
| ic[i]; |
| hi++; |
| } |
| } |
| i++; |
| } |
| speakup_console[vc_num]->ht.highsize[bi] = hi; |
| } |
| |
| static void reset_highlight_buffers(struct vc_data *vc) |
| { |
| int i; |
| int vc_num = vc->vc_num; |
| for (i = 0; i < 8; i++) |
| speakup_console[vc_num]->ht.highsize[i] = 0; |
| } |
| |
| static int count_highlight_color(struct vc_data *vc) |
| { |
| int i, bg; |
| int cc; |
| int vc_num = vc->vc_num; |
| u16 ch; |
| u16 *start = (u16 *) vc->vc_origin; |
| |
| for (i = 0; i < 8; i++) |
| speakup_console[vc_num]->ht.bgcount[i] = 0; |
| |
| for (i = 0; i < vc->vc_rows; i++) { |
| u16 *end = start + vc->vc_cols * 2; |
| u16 *ptr; |
| for (ptr = start; ptr < end; ptr++) { |
| ch = get_attributes(ptr); |
| bg = (ch & 0x70) >> 4; |
| speakup_console[vc_num]->ht.bgcount[bg]++; |
| } |
| start += vc->vc_size_row; |
| } |
| |
| cc = 0; |
| for (i = 0; i < 8; i++) |
| if (speakup_console[vc_num]->ht.bgcount[i] > 0) |
| cc++; |
| return cc; |
| } |
| |
| static int get_highlight_color(struct vc_data *vc) |
| { |
| int i, j; |
| unsigned int cptr[8], tmp; |
| int vc_num = vc->vc_num; |
| |
| for (i = 0; i < 8; i++) |
| cptr[i] = i; |
| |
| for (i = 0; i < 7; i++) |
| for (j = i + 1; j < 8; j++) |
| if (speakup_console[vc_num]->ht.bgcount[cptr[i]] > |
| speakup_console[vc_num]->ht.bgcount[cptr[j]]) { |
| tmp = cptr[i]; |
| cptr[i] = cptr[j]; |
| cptr[j] = tmp; |
| } |
| |
| for (i = 0; i < 8; i++) |
| if (speakup_console[vc_num]->ht.bgcount[cptr[i]] != 0) |
| if (speakup_console[vc_num]->ht.highsize[cptr[i]] > 0) |
| return cptr[i]; |
| return -1; |
| } |
| |
| static int speak_highlight(struct vc_data *vc) |
| { |
| int hc, d; |
| int vc_num = vc->vc_num; |
| if (count_highlight_color(vc) == 1) |
| return 0; |
| hc = get_highlight_color(vc); |
| if (hc != -1) { |
| d = vc->vc_y - speakup_console[vc_num]->ht.cy; |
| if ((d == 1) || (d == -1)) |
| if (speakup_console[vc_num]->ht.ry[hc] != vc->vc_y) |
| return 0; |
| spk_parked |= 0x01; |
| spk_do_flush(); |
| spkup_write(speakup_console[vc_num]->ht.highbuf[hc], |
| speakup_console[vc_num]->ht.highsize[hc]); |
| spk_pos = spk_cp = speakup_console[vc_num]->ht.rpos[hc]; |
| spk_x = spk_cx = speakup_console[vc_num]->ht.rx[hc]; |
| spk_y = spk_cy = speakup_console[vc_num]->ht.ry[hc]; |
| return 1; |
| } |
| return 0; |
| } |
| |
| static void cursor_done(u_long data) |
| { |
| struct vc_data *vc = vc_cons[cursor_con].d; |
| unsigned long flags; |
| del_timer(&cursor_timer); |
| spin_lock_irqsave(&speakup_info.spinlock, flags); |
| if (cursor_con != fg_console) { |
| is_cursor = 0; |
| goto out; |
| } |
| speakup_date(vc); |
| if (win_enabled) { |
| if (vc->vc_x >= win_left && vc->vc_x <= win_right && |
| vc->vc_y >= win_top && vc->vc_y <= win_bottom) { |
| spk_keydown = is_cursor = 0; |
| goto out; |
| } |
| } |
| if (cursor_track == read_all_mode) { |
| handle_cursor_read_all(vc, read_all_key); |
| goto out; |
| } |
| if (cursor_track == CT_Highlight) { |
| if (speak_highlight(vc)) { |
| spk_keydown = is_cursor = 0; |
| goto out; |
| } |
| } |
| if (cursor_track == CT_Window) |
| speakup_win_say(vc); |
| else if (is_cursor == 1 || is_cursor == 4) |
| say_line_from_to(vc, 0, vc->vc_cols, 0); |
| else |
| say_char(vc); |
| spk_keydown = is_cursor = 0; |
| out: |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| } |
| |
| /* called by: vt_notifier_call() */ |
| static void speakup_bs(struct vc_data *vc) |
| { |
| unsigned long flags; |
| if (!speakup_console[vc->vc_num]) |
| return; |
| if (!spin_trylock_irqsave(&speakup_info.spinlock, flags)) |
| /* Speakup output, discard */ |
| return; |
| if (!spk_parked) |
| speakup_date(vc); |
| if (spk_shut_up || synth == NULL) { |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| return; |
| } |
| if (vc->vc_num == fg_console && spk_keydown) { |
| spk_keydown = 0; |
| if (!is_cursor) |
| say_char(vc); |
| } |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| } |
| |
| /* called by: vt_notifier_call() */ |
| static void speakup_con_write(struct vc_data *vc, const char *str, int len) |
| { |
| unsigned long flags; |
| if ((vc->vc_num != fg_console) || spk_shut_up || synth == NULL) |
| return; |
| if (!spin_trylock_irqsave(&speakup_info.spinlock, flags)) |
| /* Speakup output, discard */ |
| return; |
| if (spk_bell_pos && spk_keydown && (vc->vc_x == spk_bell_pos - 1)) |
| bleep(3); |
| if ((is_cursor) || (cursor_track == read_all_mode)) { |
| if (cursor_track == CT_Highlight) |
| update_color_buffer(vc, str, len); |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| return; |
| } |
| if (win_enabled) { |
| if (vc->vc_x >= win_left && vc->vc_x <= win_right && |
| vc->vc_y >= win_top && vc->vc_y <= win_bottom) { |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| return; |
| } |
| } |
| |
| spkup_write(str, len); |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| } |
| |
| void speakup_con_update(struct vc_data *vc) |
| { |
| unsigned long flags; |
| if (speakup_console[vc->vc_num] == NULL || spk_parked) |
| return; |
| if (!spin_trylock_irqsave(&speakup_info.spinlock, flags)) |
| /* Speakup output, discard */ |
| return; |
| speakup_date(vc); |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| } |
| |
| static void do_handle_spec(struct vc_data *vc, u_char value, char up_flag) |
| { |
| unsigned long flags; |
| int on_off = 2; |
| char *label; |
| if (synth == NULL || up_flag || spk_killed) |
| return; |
| spin_lock_irqsave(&speakup_info.spinlock, flags); |
| spk_shut_up &= 0xfe; |
| if (spk_no_intr) |
| spk_do_flush(); |
| switch (value) { |
| case KVAL(K_CAPS): |
| label = spk_msg_get(MSG_KEYNAME_CAPSLOCK); |
| on_off = vt_get_leds(fg_console, VC_CAPSLOCK); |
| break; |
| case KVAL(K_NUM): |
| label = spk_msg_get(MSG_KEYNAME_NUMLOCK); |
| on_off = vt_get_leds(fg_console, VC_NUMLOCK); |
| break; |
| case KVAL(K_HOLD): |
| label = spk_msg_get(MSG_KEYNAME_SCROLLLOCK); |
| on_off = vt_get_leds(fg_console, VC_SCROLLOCK); |
| if (speakup_console[vc->vc_num]) |
| speakup_console[vc->vc_num]->tty_stopped = on_off; |
| break; |
| default: |
| spk_parked &= 0xfe; |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| return; |
| } |
| if (on_off < 2) |
| synth_printf("%s %s\n", |
| label, spk_msg_get(MSG_STATUS_START + on_off)); |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| } |
| |
| static int inc_dec_var(u_char value) |
| { |
| struct st_var_header *p_header; |
| struct var_t *var_data; |
| char num_buf[32]; |
| char *cp = num_buf; |
| char *pn; |
| int var_id = (int)value - VAR_START; |
| int how = (var_id & 1) ? E_INC : E_DEC; |
| var_id = var_id / 2 + FIRST_SET_VAR; |
| p_header = spk_get_var_header(var_id); |
| if (p_header == NULL) |
| return -1; |
| if (p_header->var_type != VAR_NUM) |
| return -1; |
| var_data = p_header->data; |
| if (spk_set_num_var(1, p_header, how) != 0) |
| return -1; |
| if (!spk_close_press) { |
| for (pn = p_header->name; *pn; pn++) { |
| if (*pn == '_') |
| *cp = SPACE; |
| else |
| *cp++ = *pn; |
| } |
| } |
| snprintf(cp, sizeof(num_buf) - (cp - num_buf), " %d ", |
| var_data->u.n.value); |
| synth_printf("%s", num_buf); |
| return 0; |
| } |
| |
| static void speakup_win_set(struct vc_data *vc) |
| { |
| char info[40]; |
| if (win_start > 1) { |
| synth_printf("%s\n", spk_msg_get(MSG_WINDOW_ALREADY_SET)); |
| return; |
| } |
| if (spk_x < win_left || spk_y < win_top) { |
| synth_printf("%s\n", spk_msg_get(MSG_END_BEFORE_START)); |
| return; |
| } |
| if (win_start && spk_x == win_left && spk_y == win_top) { |
| win_left = 0; |
| win_right = vc->vc_cols - 1; |
| win_bottom = spk_y; |
| snprintf(info, sizeof(info), spk_msg_get(MSG_WINDOW_LINE), |
| (int)win_top + 1); |
| } else { |
| if (!win_start) { |
| win_top = spk_y; |
| win_left = spk_x; |
| } else { |
| win_bottom = spk_y; |
| win_right = spk_x; |
| } |
| snprintf(info, sizeof(info), spk_msg_get(MSG_WINDOW_BOUNDARY), |
| (win_start) ? spk_msg_get(MSG_END) : spk_msg_get(MSG_START), |
| (int)spk_y + 1, (int)spk_x + 1); |
| } |
| synth_printf("%s\n", info); |
| win_start++; |
| } |
| |
| static void speakup_win_clear(struct vc_data *vc) |
| { |
| win_top = win_bottom = 0; |
| win_left = win_right = 0; |
| win_start = 0; |
| synth_printf("%s\n", spk_msg_get(MSG_WINDOW_CLEARED)); |
| } |
| |
| static void speakup_win_enable(struct vc_data *vc) |
| { |
| if (win_start < 2) { |
| synth_printf("%s\n", spk_msg_get(MSG_NO_WINDOW)); |
| return; |
| } |
| win_enabled ^= 1; |
| if (win_enabled) |
| synth_printf("%s\n", spk_msg_get(MSG_WINDOW_SILENCED)); |
| else |
| synth_printf("%s\n", spk_msg_get(MSG_WINDOW_SILENCE_DISABLED)); |
| } |
| |
| static void speakup_bits(struct vc_data *vc) |
| { |
| int val = this_speakup_key - (FIRST_EDIT_BITS - 1); |
| if (spk_special_handler != NULL || val < 1 || val > 6) { |
| synth_printf("%s\n", spk_msg_get(MSG_ERROR)); |
| return; |
| } |
| pb_edit = &spk_punc_info[val]; |
| synth_printf(spk_msg_get(MSG_EDIT_PROMPT), pb_edit->name); |
| spk_special_handler = edit_bits; |
| } |
| |
| static int handle_goto(struct vc_data *vc, u_char type, u_char ch, u_short key) |
| { |
| static u_char goto_buf[8]; |
| static int num; |
| int maxlen, go_pos; |
| char *cp; |
| if (type == KT_SPKUP && ch == SPEAKUP_GOTO) |
| goto do_goto; |
| if (type == KT_LATIN && ch == '\n') |
| goto do_goto; |
| if (type != 0) |
| goto oops; |
| if (ch == 8) { |
| if (num == 0) |
| return -1; |
| ch = goto_buf[--num]; |
| goto_buf[num] = '\0'; |
| spkup_write(&ch, 1); |
| return 1; |
| } |
| if (ch < '+' || ch > 'y') |
| goto oops; |
| goto_buf[num++] = ch; |
| goto_buf[num] = '\0'; |
| spkup_write(&ch, 1); |
| maxlen = (*goto_buf >= '0') ? 3 : 4; |
| if ((ch == '+' || ch == '-') && num == 1) |
| return 1; |
| if (ch >= '0' && ch <= '9' && num < maxlen) |
| return 1; |
| if (num < maxlen - 1 || num > maxlen) |
| goto oops; |
| if (ch < 'x' || ch > 'y') { |
| oops: |
| if (!spk_killed) |
| synth_printf(" %s\n", spk_msg_get(MSG_GOTO_CANCELED)); |
| goto_buf[num = 0] = '\0'; |
| spk_special_handler = NULL; |
| return 1; |
| } |
| go_pos = kstrtol(goto_buf, 10, (long *)&cp); |
| goto_pos = (u_long) go_pos; |
| if (*cp == 'x') { |
| if (*goto_buf < '0') |
| goto_pos += spk_x; |
| else |
| goto_pos--; |
| if (goto_pos < 0) |
| goto_pos = 0; |
| if (goto_pos >= vc->vc_cols) |
| goto_pos = vc->vc_cols - 1; |
| goto_x = 1; |
| } else { |
| if (*goto_buf < '0') |
| goto_pos += spk_y; |
| else |
| goto_pos--; |
| if (goto_pos < 0) |
| goto_pos = 0; |
| if (goto_pos >= vc->vc_rows) |
| goto_pos = vc->vc_rows - 1; |
| goto_x = 0; |
| } |
| goto_buf[num = 0] = '\0'; |
| do_goto: |
| spk_special_handler = NULL; |
| spk_parked |= 0x01; |
| if (goto_x) { |
| spk_pos -= spk_x * 2; |
| spk_x = goto_pos; |
| spk_pos += goto_pos * 2; |
| say_word(vc); |
| } else { |
| spk_y = goto_pos; |
| spk_pos = vc->vc_origin + (goto_pos * vc->vc_size_row); |
| say_line(vc); |
| } |
| return 1; |
| } |
| |
| static void speakup_goto(struct vc_data *vc) |
| { |
| if (spk_special_handler != NULL) { |
| synth_printf("%s\n", spk_msg_get(MSG_ERROR)); |
| return; |
| } |
| synth_printf("%s\n", spk_msg_get(MSG_GOTO)); |
| spk_special_handler = handle_goto; |
| return; |
| } |
| |
| static void speakup_help(struct vc_data *vc) |
| { |
| spk_handle_help(vc, KT_SPKUP, SPEAKUP_HELP, 0); |
| } |
| |
| static void do_nothing(struct vc_data *vc) |
| { |
| return; /* flush done in do_spkup */ |
| } |
| |
| static u_char key_speakup, spk_key_locked; |
| |
| static void speakup_lock(struct vc_data *vc) |
| { |
| if (!spk_key_locked) |
| spk_key_locked = key_speakup = 16; |
| else |
| spk_key_locked = key_speakup = 0; |
| } |
| |
| typedef void (*spkup_hand) (struct vc_data *); |
| spkup_hand spkup_handler[] = { |
| /* must be ordered same as defines in speakup.h */ |
| do_nothing, speakup_goto, speech_kill, speakup_shut_up, |
| speakup_cut, speakup_paste, say_first_char, say_last_char, |
| say_char, say_prev_char, say_next_char, |
| say_word, say_prev_word, say_next_word, |
| say_line, say_prev_line, say_next_line, |
| top_edge, bottom_edge, left_edge, right_edge, |
| spell_word, spell_word, say_screen, |
| say_position, say_attributes, |
| speakup_off, speakup_parked, say_line, /* this is for indent */ |
| say_from_top, say_to_bottom, |
| say_from_left, say_to_right, |
| say_char_num, speakup_bits, speakup_bits, say_phonetic_char, |
| speakup_bits, speakup_bits, speakup_bits, |
| speakup_win_set, speakup_win_clear, speakup_win_enable, speakup_win_say, |
| speakup_lock, speakup_help, toggle_cursoring, read_all_doc, NULL |
| }; |
| |
| static void do_spkup(struct vc_data *vc, u_char value) |
| { |
| if (spk_killed && value != SPEECH_KILL) |
| return; |
| spk_keydown = 0; |
| spk_lastkey = 0; |
| spk_shut_up &= 0xfe; |
| this_speakup_key = value; |
| if (value < SPKUP_MAX_FUNC && spkup_handler[value]) { |
| spk_do_flush(); |
| (*spkup_handler[value]) (vc); |
| } else { |
| if (inc_dec_var(value) < 0) |
| bleep(9); |
| } |
| } |
| |
| static const char *pad_chars = "0123456789+-*/\015,.?()"; |
| |
| int |
| speakup_key(struct vc_data *vc, int shift_state, int keycode, u_short keysym, |
| int up_flag) |
| { |
| unsigned long flags; |
| int kh; |
| u_char *key_info; |
| u_char type = KTYP(keysym), value = KVAL(keysym), new_key = 0; |
| u_char shift_info, offset; |
| int ret = 0; |
| if (synth == NULL) |
| return 0; |
| |
| spin_lock_irqsave(&speakup_info.spinlock, flags); |
| tty = vc->port.tty; |
| if (type >= 0xf0) |
| type -= 0xf0; |
| if (type == KT_PAD |
| && (vt_get_leds(fg_console, VC_NUMLOCK))) { |
| if (up_flag) { |
| spk_keydown = 0; |
| goto out; |
| } |
| value = spk_lastkey = pad_chars[value]; |
| spk_keydown++; |
| spk_parked &= 0xfe; |
| goto no_map; |
| } |
| if (keycode >= MAX_KEY) |
| goto no_map; |
| key_info = spk_our_keys[keycode]; |
| if (key_info == 0) |
| goto no_map; |
| /* Check valid read all mode keys */ |
| if ((cursor_track == read_all_mode) && (!up_flag)) { |
| switch (value) { |
| case KVAL(K_DOWN): |
| case KVAL(K_UP): |
| case KVAL(K_LEFT): |
| case KVAL(K_RIGHT): |
| case KVAL(K_PGUP): |
| case KVAL(K_PGDN): |
| break; |
| default: |
| stop_read_all(vc); |
| break; |
| } |
| } |
| shift_info = (shift_state & 0x0f) + key_speakup; |
| offset = spk_shift_table[shift_info]; |
| if (offset) { |
| new_key = key_info[offset]; |
| if (new_key) { |
| ret = 1; |
| if (new_key == SPK_KEY) { |
| if (!spk_key_locked) |
| key_speakup = (up_flag) ? 0 : 16; |
| if (up_flag || spk_killed) |
| goto out; |
| spk_shut_up &= 0xfe; |
| spk_do_flush(); |
| goto out; |
| } |
| if (up_flag) |
| goto out; |
| if (last_keycode == keycode && |
| last_spk_jiffy + MAX_DELAY > jiffies) { |
| spk_close_press = 1; |
| offset = spk_shift_table[shift_info + 32]; |
| /* double press? */ |
| if (offset && key_info[offset]) |
| new_key = key_info[offset]; |
| } |
| last_keycode = keycode; |
| last_spk_jiffy = jiffies; |
| type = KT_SPKUP; |
| value = new_key; |
| } |
| } |
| no_map: |
| if (type == KT_SPKUP && spk_special_handler == NULL) { |
| do_spkup(vc, new_key); |
| spk_close_press = 0; |
| ret = 1; |
| goto out; |
| } |
| if (up_flag || spk_killed || type == KT_SHIFT) |
| goto out; |
| spk_shut_up &= 0xfe; |
| kh = (value == KVAL(K_DOWN)) |
| || (value == KVAL(K_UP)) |
| || (value == KVAL(K_LEFT)) |
| || (value == KVAL(K_RIGHT)); |
| if ((cursor_track != read_all_mode) || !kh) |
| if (!spk_no_intr) |
| spk_do_flush(); |
| if (spk_special_handler) { |
| if (type == KT_SPEC && value == 1) { |
| value = '\n'; |
| type = KT_LATIN; |
| } else if (type == KT_LETTER) |
| type = KT_LATIN; |
| else if (value == 0x7f) |
| value = 8; /* make del = backspace */ |
| ret = (*spk_special_handler) (vc, type, value, keycode); |
| spk_close_press = 0; |
| if (ret < 0) |
| bleep(9); |
| goto out; |
| } |
| last_keycode = 0; |
| out: |
| spin_unlock_irqrestore(&speakup_info.spinlock, flags); |
| return ret; |
| } |
| |
| static int keyboard_notifier_call(struct notifier_block *nb, |
| unsigned long code, void *_param) |
| { |
| struct keyboard_notifier_param *param = _param; |
| struct vc_data *vc = param->vc; |
| int up = !param->down; |
| int ret = NOTIFY_OK; |
| static int keycode; /* to hold the current keycode */ |
| |
| if (vc->vc_mode == KD_GRAPHICS) |
| return ret; |
| |
| /* |
| * First, determine whether we are handling a fake keypress on |
| * the current processor. If we are, then return NOTIFY_OK, |
| * to pass the keystroke up the chain. This prevents us from |
| * trying to take the Speakup lock while it is held by the |
| * processor on which the simulated keystroke was generated. |
| * Also, the simulated keystrokes should be ignored by Speakup. |
| */ |
| |
| if (speakup_fake_key_pressed()) |
| return ret; |
| |
| switch (code) { |
| case KBD_KEYCODE: |
| /* speakup requires keycode and keysym currently */ |
| keycode = param->value; |
| break; |
| case KBD_UNBOUND_KEYCODE: |
| /* not used yet */ |
| break; |
| case KBD_UNICODE: |
| /* not used yet */ |
| break; |
| case KBD_KEYSYM: |
| if (speakup_key(vc, param->shift, keycode, param->value, up)) |
| ret = NOTIFY_STOP; |
| else if (KTYP(param->value) == KT_CUR) |
| ret = pre_handle_cursor(vc, KVAL(param->value), up); |
| break; |
| case KBD_POST_KEYSYM:{ |
| unsigned char type = KTYP(param->value) - 0xf0; |
| unsigned char val = KVAL(param->value); |
| switch (type) { |
| case KT_SHIFT: |
| do_handle_shift(vc, val, up); |
| break; |
| case KT_LATIN: |
| case KT_LETTER: |
| do_handle_latin(vc, val, up); |
| break; |
| case KT_CUR: |
| do_handle_cursor(vc, val, up); |
| break; |
| case KT_SPEC: |
| do_handle_spec(vc, val, up); |
| break; |
| } |
| break; |
| } |
| } |
| return ret; |
| } |
| |
| static int vt_notifier_call(struct notifier_block *nb, |
| unsigned long code, void *_param) |
| { |
| struct vt_notifier_param *param = _param; |
| struct vc_data *vc = param->vc; |
| switch (code) { |
| case VT_ALLOCATE: |
| if (vc->vc_mode == KD_TEXT) |
| speakup_allocate(vc); |
| break; |
| case VT_DEALLOCATE: |
| speakup_deallocate(vc); |
| break; |
| case VT_WRITE: |
| if (param->c == '\b') |
| speakup_bs(vc); |
| else if (param->c < 0x100) { |
| char d = param->c; |
| speakup_con_write(vc, &d, 1); |
| } |
| break; |
| case VT_UPDATE: |
| speakup_con_update(vc); |
| break; |
| } |
| return NOTIFY_OK; |
| } |
| |
| /* called by: module_exit() */ |
| static void __exit speakup_exit(void) |
| { |
| int i; |
| |
| unregister_keyboard_notifier(&keyboard_notifier_block); |
| unregister_vt_notifier(&vt_notifier_block); |
| speakup_unregister_devsynth(); |
| del_timer(&cursor_timer); |
| kthread_stop(speakup_task); |
| speakup_task = NULL; |
| mutex_lock(&spk_mutex); |
| synth_release(); |
| mutex_unlock(&spk_mutex); |
| |
| speakup_kobj_exit(); |
| |
| for (i = 0; i < MAX_NR_CONSOLES; i++) |
| kfree(speakup_console[i]); |
| |
| speakup_remove_virtual_keyboard(); |
| |
| for (i = 0; i < MAXVARS; i++) |
| speakup_unregister_var(i); |
| |
| for (i = 0; i < 256; i++) { |
| if (spk_characters[i] != spk_default_chars[i]) |
| kfree(spk_characters[i]); |
| } |
| |
| spk_free_user_msgs(); |
| } |
| |
| /* call by: module_init() */ |
| static int __init speakup_init(void) |
| { |
| int i; |
| long err = 0; |
| struct st_spk_t *first_console; |
| struct vc_data *vc = vc_cons[fg_console].d; |
| struct var_t *var; |
| |
| /* These first few initializations cannot fail. */ |
| spk_initialize_msgs(); /* Initialize arrays for i18n. */ |
| spk_reset_default_chars(); |
| spk_reset_default_chartab(); |
| spk_strlwr(synth_name); |
| spk_vars[0].u.n.high = vc->vc_cols; |
| for (var = spk_vars; var->var_id != MAXVARS; var++) |
| speakup_register_var(var); |
| for (var = synth_time_vars; |
| (var->var_id >= 0) && (var->var_id < MAXVARS); var++) |
| speakup_register_var(var); |
| for (i = 1; spk_punc_info[i].mask != 0; i++) |
| spk_set_mask_bits(0, i, 2); |
| |
| spk_set_key_info(spk_key_defaults, spk_key_buf); |
| |
| /* From here on out, initializations can fail. */ |
| err = speakup_add_virtual_keyboard(); |
| if (err) |
| goto error_virtkeyboard; |
| |
| first_console = kzalloc(sizeof(*first_console), GFP_KERNEL); |
| if (!first_console) { |
| err = -ENOMEM; |
| goto error_alloc; |
| } |
| |
| speakup_console[vc->vc_num] = first_console; |
| speakup_date(vc); |
| |
| for (i = 0; i < MAX_NR_CONSOLES; i++) |
| if (vc_cons[i].d) { |
| err = speakup_allocate(vc_cons[i].d); |
| if (err) |
| goto error_kobjects; |
| } |
| |
| if (spk_quiet_boot) |
| spk_shut_up |= 0x01; |
| |
| err = speakup_kobj_init(); |
| if (err) |
| goto error_kobjects; |
| |
| synth_init(synth_name); |
| speakup_register_devsynth(); |
| /* |
| * register_devsynth might fail, but this error is not fatal. |
| * /dev/synth is an extra feature; the rest of Speakup |
| * will work fine without it. |
| */ |
| |
| err = register_keyboard_notifier(&keyboard_notifier_block); |
| if (err) |
| goto error_kbdnotifier; |
| err = register_vt_notifier(&vt_notifier_block); |
| if (err) |
| goto error_vtnotifier; |
| |
| speakup_task = kthread_create(speakup_thread, NULL, "speakup"); |
| |
| if (IS_ERR(speakup_task)) { |
| err = PTR_ERR(speakup_task); |
| goto error_task; |
| } |
| |
| set_user_nice(speakup_task, 10); |
| wake_up_process(speakup_task); |
| |
| pr_info("speakup %s: initialized\n", SPEAKUP_VERSION); |
| pr_info("synth name on entry is: %s\n", synth_name); |
| goto out; |
| |
| error_task: |
| unregister_vt_notifier(&vt_notifier_block); |
| |
| error_vtnotifier: |
| unregister_keyboard_notifier(&keyboard_notifier_block); |
| del_timer(&cursor_timer); |
| |
| error_kbdnotifier: |
| speakup_unregister_devsynth(); |
| mutex_lock(&spk_mutex); |
| synth_release(); |
| mutex_unlock(&spk_mutex); |
| speakup_kobj_exit(); |
| |
| error_kobjects: |
| for (i = 0; i < MAX_NR_CONSOLES; i++) |
| kfree(speakup_console[i]); |
| |
| error_alloc: |
| speakup_remove_virtual_keyboard(); |
| |
| error_virtkeyboard: |
| for (i = 0; i < MAXVARS; i++) |
| speakup_unregister_var(i); |
| |
| for (i = 0; i < 256; i++) { |
| if (spk_characters[i] != spk_default_chars[i]) |
| kfree(spk_characters[i]); |
| } |
| |
| spk_free_user_msgs(); |
| |
| out: |
| return err; |
| } |
| |
| module_init(speakup_init); |
| module_exit(speakup_exit); |