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xenocara/app/xedit/ispell.c
matthieu 616b6f15ab Importing from X.Org 7.2RC2
2006-11-25 20:07:29 +00:00

2208 lines
57 KiB
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/*
* Copyright (c) 1999 by The XFree86 Project, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of the XFree86 Project shall
* not be used in advertising or otherwise to promote the sale, use or other
* dealings in this Software without prior written authorization from the
* XFree86 Project.
*
* Author: Paulo César Pereira de Andrade
*/
/* $XdotOrg: app/xedit/ispell.c,v 1.7 2005/04/04 10:17:07 eich Exp $ */
/* $XFree86: xc/programs/xedit/ispell.c,v 1.19 2002/10/19 20:04:20 herrb Exp $ */
#include "xedit.h"
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <ctype.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <X11/Xaw/Toggle.h>
#include <X11/Xaw/MenuButton.h>
#include <X11/Xaw/SmeBSB.h>
#include <X11/Xaw/SimpleMenu.h>
#include <X11/Xos.h>
#define RECEIVE 1
#define SEND 2
#define CHECK 0
#define ADD 1
#define REMOVE 2
#define ASIS 1
#define UNCAP 2
/*
* Types
*/
#define UNDO_DEPTH 16
typedef struct _ispell_undo {
char *undo_str;
int undo_count;
XawTextPosition undo_pos;
Boolean repeat; /* two (misspelled?) words together */
Boolean terse;
int format; /* remember text formatting style */
struct _ispell_undo *next, *prev;
} ispell_undo;
typedef struct _ispell_dict {
Widget sme;
char *wchars;
struct _ispell_dict *next;
} ispell_dict;
#define TEXT 0
#define HTML 1
struct _ispell_format {
char *name;
int value;
Widget sme;
};
static struct _ispell_format ispell_format[] = {
{"text", TEXT},
{"html", HTML},
};
struct _ispell {
Widget shell, form, mispelled, repeated, word, replacement, text,
suggestions, viewport, list, commands, replace, status,
replaceAll, undo, ignore, ignoreAll, add, addUncap, suspend,
cancel, check, look, terse, options, dict, dictMenu,
format, formatMenu;
Widget ascii, source;
XtInputId id;
int pid, ifd[2], ofd[2];
XawTextPosition left, right;
char *item;
Bool lock;
Bool repeat;
Bool checkit;
int stat;
char *buf;
int bufsiz;
int buflen;
char sendbuf[1024];
char sentbuf[1024];
int undo_depth;
ispell_undo *undo_head, *undo_base;
char *undo_for;
char *wchars;
char *cmd;
char *skip;
char *command;
Boolean terse_mode, undo_terse_mode;
char *guess_label, *miss_label, *root_label, *none_label, *eof_label,
*compound_label, *ok_label, *repeat_label, *working_label, *look_label;
char *look_cmd;
char *words_file;
char *dictionary;
char *dict_list;
ispell_dict *dict_info;
int format_mode; /* to undo correctly */
char *formatting;
struct _ispell_format *format_info;
};
typedef struct _ReplaceList {
char *word;
char *replace;
struct _ReplaceList *next;
} ReplaceList;
typedef struct _IgnoreList {
char *word;
int add;
struct _IgnoreList *next;
} IgnoreList;
/*
* Prototypes
*/
static void AddIspell(Widget, XtPointer, XtPointer);
static void ChangeDictionaryIspell(Widget, XtPointer, XtPointer);
static void ChangeFormatIspell(Widget, XtPointer, XtPointer);
static void CheckIspell(Widget, XtPointer, XtPointer);
static void IgnoreIspell(Widget, XtPointer, XtPointer);
static Bool InitIspell(void);
static void IspellCheckUndo(void);
static int IspellConvertHtmlAmp(char*);
static Bool IspellDoIgnoredWord(char*, int, int);
static Bool IspellIgnoredWord(char*, int, int);
static void IspellInputCallback(XtPointer, int*, XtInputId*);
static void IspellKillUndoBuffer(void);
static Bool IspellReceive(void);
static char *IspellReplacedWord(char*, char*);
static int IspellSend(void);
static void IspellSetSelection(XawTextPosition, XawTextPosition);
static void IspellSetRepeated(Bool);
static void IspellSetSensitive(Bool);
static void IspellSetStatus(char*);
static void IspellSetTerseMode(Bool);
static Bool IspellStartProcess(void);
static Bool IspellEndProcess(Bool, Bool);
static void LookIspell(Widget, XtPointer, XtPointer);
static void PopdownIspell(Widget, XtPointer, XtPointer);
static void ReplaceIspell(Widget, XtPointer, XtPointer);
static void RevertIspell(Widget, XtPointer, XtPointer);
static void SelectIspell(Widget, XtPointer, XtPointer);
static void ToggleTerseIspell(Widget, XtPointer, XtPointer);
#ifndef SIGNALRETURNSINT
static void timeout_signal(int);
static void (*old_timeout)(int);
#else
static int timeout_signal(int);
static int (*old_timeout)(int);
#endif
static void UndoIspell(Widget, XtPointer, XtPointer);
Bool _XawTextSrcUndo(TextSrcObject, XawTextPosition*);
/*
* Initialization
*/
static struct _ispell ispell;
#define RSTRTBLSZ 23
#define ISTRTBLSZ 71
static ReplaceList *replace_list[RSTRTBLSZ];
static IgnoreList *ignore_list[ISTRTBLSZ];
#ifndef XtCStatus
#define XtCStatus "Status"
#endif
#define Offset(field) XtOffsetOf(struct _ispell, field)
static XtResource resources[] = {
{"wordChars", "Chars", XtRString, sizeof(char*),
Offset(wchars), XtRString, ""},
{"ispellCommand", "CommandLine", XtRString, sizeof(char*),
Offset(cmd), XtRString, "/usr/local/bin/ispell"},
{"terseMode", "Terse", XtRBoolean, sizeof(Boolean),
Offset(terse_mode), XtRImmediate, (XtPointer)False},
{"guessLabel", XtCStatus, XtRString, sizeof(String),
Offset(guess_label), XtRString, "Guess"},
{"missLabel", XtCStatus, XtRString, sizeof(String),
Offset(miss_label), XtRString, "Miss"},
{"rootLabel", XtCStatus, XtRString, sizeof(String),
Offset(root_label), XtRString, "Root:"},
{"noneLabel", XtCStatus, XtRString, sizeof(String),
Offset(none_label), XtRString, "None"},
{"compoundLabel", XtCStatus, XtRString, sizeof(String),
Offset(compound_label), XtRString, "Compound"},
{"okLabel", XtCStatus, XtRString, sizeof(String),
Offset(ok_label), XtRString, "Ok"},
{"eofLabel", XtCStatus, XtRString, sizeof(String),
Offset(eof_label), XtRString, "End Of File"},
{"repeatLabel", XtCStatus, XtRString, sizeof(String),
Offset(repeat_label), XtRString, "Repeat"},
{"workingLabel", XtCStatus, XtRString, sizeof(String),
Offset(working_label), XtRString, "..."},
{"lookLabel", XtCStatus, XtRString, sizeof(String),
Offset(look_label), XtRString, "Look"},
{"lookCommand", "CommandLine", XtRString, sizeof(char*),
Offset(look_cmd), XtRString, "/usr/bin/egrep -i"},
{"wordsFile", "Words", XtRString, sizeof(char*),
Offset(words_file), XtRString, "/usr/share/dict/words"},
{"dictionary", "Dictionary", XtRString, sizeof(char*),
Offset(dictionary), XtRString, "american"},
{"dictionaries", "Dictionary", XtRString, sizeof(char*),
Offset(dict_list), XtRString, "american americanmed+ english"},
{"formatting", "TextFormat", XtRString, sizeof(char*),
Offset(formatting), XtRString, "text"},
};
#undef Offset
#ifdef NO_LIBC_I18N
static int
ToLower(int ch)
{
char buf[2];
*buf = ch;
XmuNCopyISOLatin1Lowered(buf, buf, sizeof(buf));
return (*buf);
}
static int
ToUpper(int ch)
{
char buf[2];
*buf = ch;
XmuNCopyISOLatin1Uppered(buf, buf, sizeof(buf));
return (*buf);
}
static int
IsLower(int ch)
{
char upbuf[2];
char lobuf[2];
*upbuf = *lobuf = ch;
XmuNCopyISOLatin1Lowered(lobuf, lobuf, sizeof(lobuf));
XmuNCopyISOLatin1Uppered(upbuf, upbuf, sizeof(upbuf));
return (*lobuf != *upbuf && ch == *lobuf);
}
static int
IsUpper(int ch)
{
char upbuf[2];
char lobuf[2];
*upbuf = *lobuf = ch;
XmuNCopyISOLatin1Lowered(lobuf, lobuf, sizeof(lobuf));
XmuNCopyISOLatin1Uppered(upbuf, upbuf, sizeof(upbuf));
return (*lobuf != *upbuf && ch == *upbuf);
}
#else
#define ToLower tolower
#define ToUpper toupper
#define IsLower islower
#define IsUpper isupper
#endif
/*
* Implementation
*/
#ifdef STDERR_FILENO
# define WRITES(s) write(STDERR_FILENO, s, strlen(s))
#else
# define WRITES(s) write(fileno(stderr), s, strlen(s))
#endif
/*ARGSUSED*/
#ifndef SIGNALRETURNSINT
static void
timeout_signal(int unused)
{
int olderrno = errno;
WRITES("Warning: Timeout waiting ispell process to die.\n");
kill(ispell.pid, SIGTERM);
errno = olderrno;
}
#else
static int
timeout_signal(int unused)
{
int olderrno = errno;
WRITES("Warning: Timeout waiting ispell process to die.\n");
kill(ispell.pid, SIGTERM);
errno = olderrno;
return (0);
}
#endif
static void
IspellSetSelection(XawTextPosition left, XawTextPosition right)
{
/* Try to make sure the selected word is completely visible */
XawTextSetInsertionPoint(ispell.ascii, right);
XawTextSetInsertionPoint(ispell.ascii, left);
XawTextSetSelection(ispell.ascii, left, right);
}
static void
IspellSetStatus(char *label)
{
Arg args[1];
XtSetArg(args[0], XtNlabel, label);
XtSetValues(ispell.status, args, 1);
}
static void
IspellSetRepeated(Bool state)
{
static char *mispelled, *repeated;
Arg args[1];
if (mispelled == NULL) {
XtSetArg(args[0], XtNlabel, &mispelled);
XtGetValues(ispell.mispelled, args, 1);
mispelled = XtNewString(mispelled);
}
if (repeated == NULL) {
XtSetArg(args[0], XtNlabel, &repeated);
XtGetValues(ispell.repeated, args, 1);
repeated = XtNewString(repeated);
}
XtSetSensitive(ispell.replaceAll, !state);
XtSetSensitive(ispell.ignoreAll, !state);
XtSetSensitive(ispell.add, !state);
XtSetSensitive(ispell.addUncap, !state);
if (!state) {
XtSetArg(args[0], XtNlabel, mispelled);
XtSetValues(ispell.mispelled, args, 1);
}
else {
XtSetArg(args[0], XtNlabel, repeated);
XtSetValues(ispell.mispelled, args, 1);
}
}
static void
IspellSetSensitive(Bool state)
{
XtSetSensitive(ispell.replace, state);
XtSetSensitive(ispell.replaceAll, state);
XtSetSensitive(ispell.ignore, state);
XtSetSensitive(ispell.ignoreAll, state);
XtSetSensitive(ispell.add, state);
XtSetSensitive(ispell.addUncap, state);
}
static void
IspellSetTerseMode(Bool mode)
{
Arg args[1];
XtSetArg(args[0], XtNstate, ispell.terse_mode = mode);
XtSetValues(ispell.terse, args, 1);
write(ispell.ofd[1], mode ? "!\n" : "%\n", 2);
}
static void
IspellCheckUndo(void)
{
ispell_undo *undo = XtNew(ispell_undo);
if (ispell.undo_for && strcmp(ispell.undo_for, ispell.dictionary)) {
XeditPrintf("Undo: Dictionary changed. Previous undo information lost.\n");
IspellKillUndoBuffer();
Feep();
}
undo->next = NULL;
undo->repeat = False;
undo->terse = ispell.undo_terse_mode;
undo->format = ispell.format_mode;
if ((undo->prev = ispell.undo_head) != NULL)
undo->prev->next = undo;
else
undo->prev = NULL;
++ispell.undo_depth;
if (!ispell.undo_base) {
ispell.undo_base = undo;
XtSetSensitive(ispell.undo, True);
}
else if (ispell.undo_depth > UNDO_DEPTH) {
ispell_undo *tmp;
if (ispell.undo_base->undo_str)
XtFree(ispell.undo_base->undo_str);
tmp = ispell.undo_base->next;
XtFree((char*)ispell.undo_base);
tmp->prev = NULL;
ispell.undo_base = tmp;
ispell.undo_depth = UNDO_DEPTH;
}
ispell.undo_head = undo;
}
static char *
IspellReplacedWord(char *word, char *replace)
{
ReplaceList *list;
int ii = 0;
char *pp = word;
while (*pp)
ii = (ii << 1) ^ *pp++;
if (ii < 0)
ii = -ii;
ii %= RSTRTBLSZ;
for (list = replace_list[ii]; list; list = list->next)
if (strcmp(list->word, word) == 0) {
if (replace) {
XtFree(list->replace);
list->replace = XtNewString(replace);
}
return (list->replace);
}
if (!replace)
return (NULL);
list = XtNew(ReplaceList);
list->word = XtNewString(word);
list->replace = XtNewString(replace);
list->next = replace_list[ii];
replace_list[ii] = list;
return (list->replace);
}
static Bool
IspellDoIgnoredWord(char *word, int cmd, int add)
{
IgnoreList *list, *prev;
int ii = 0;
char *pp = word;
while (*pp)
ii = (ii << 1) ^ *pp++;
if (ii < 0)
ii = -ii;
ii %= ISTRTBLSZ;
for (prev = list = ignore_list[ii]; list; prev = list, list = list->next)
if (strcmp(list->word, word) == 0) {
if (cmd == REMOVE) {
XtFree(list->word);
prev->next = list->next;
XtFree((char*)list);
if (prev == list)
ignore_list[ii] = NULL;
return (True);
}
return (cmd == CHECK);
}
if (cmd != ADD)
return (False);
list = XtNew(IgnoreList);
list->word = XtNewString(word);
list->add = add;
list->next = ignore_list[ii];
ignore_list[ii] = list;
return (True);
}
static Bool
IspellIgnoredWord(char *word, int cmd, int add)
{
if (add != UNCAP && IspellDoIgnoredWord(word, cmd, add))
return (True);
/* add/remove uncapped word to/of list,
* or cheks for correct capitalization */
if (add == UNCAP || cmd == CHECK) {
unsigned char *str = (unsigned char*)word;
unsigned char string[1024];
Bool upper, status;
int i;
status = True;
upper = IsUpper(*str);
*string = upper ? ToLower(*str) : *str;
if (*str)
str++;
if (IsLower(*str))
upper = False;
for (i = 1; *str && i < sizeof(string) - 1; i++, str++) {
if (upper && IsLower(*str))
status = False;
else if (!upper && IsUpper(*str))
status = False;
string[i] = ToLower(*str);
}
string[i] = '\0';
if ((cmd != CHECK || status) &&
IspellDoIgnoredWord((char*)string, cmd, add))
return (True);
}
return (False);
}
/*ARGSUSED*/
static Bool
IspellReceive(void)
{
int i, len, old_len;
Arg args[2];
char *str, *end, **list, **old_list;
char *tmp, word[1024];
int j;
if (ispell.lock || ispell.stat != RECEIVE)
return (False);
while (1) { /* read the entire line */
if (ispell.buflen >= ispell.bufsiz - 1)
ispell.buf = XtRealloc(ispell.buf, ispell.bufsiz += BUFSIZ);
if ((len = read(ispell.ifd[0], &ispell.buf[ispell.buflen],
ispell.bufsiz - ispell.buflen - 1)) <= 0)
break;
ispell.buflen += len;
}
if (ispell.buflen <= 0)
return (False);
len = 0;
i = ispell.buflen - 1;
while (i >= 0 && ispell.buf[i] == '\n') {
++len;
--i;
}
if (len < 2 - ((ispell.terse_mode && i == -1) || ispell.buf[0] == '@'))
return (False);
ispell.buf[ispell.buflen - len] = '\0';
ispell.buflen = 0;
if ((tmp = strchr(ispell.sendbuf, '\n')) != NULL)
*tmp = '\0';
switch (ispell.buf[0]) {
case '&': /* MISS */
case '?': /* GUESS */
str = strchr(&ispell.buf[2], ' ');
if (!ispell.checkit) {
*str = '\0';
XtSetArg(args[0], XtNlabel, &ispell.buf[2]);
XtSetValues(ispell.word, args, 1);
}
++str;
list = NULL;
str = strchr(str, ':') + 1;
for (i = 0; ; i++) {
end = strchr(str, ',');
if (end) *end = '\0';
if ((i % 16) == 0)
list = (char**)XtRealloc((char*)list, (i + 16) * sizeof(char*));
tmp = word;
for (j = 1; j < sizeof(word) && str[j]; j++) {
if (str[j] == '+')
continue;
else if (str[j] == '-' && str[j+1] != '-' && str[j-1] != '-') {
char *p, string[256];
int k, l;
for (l = 0, k = j + 1; str[k] != '+' && str[k] != '-'
&& str[k] && l < sizeof(string) - 1; k++, l++)
string[l] = str[k];
string[l] = '\0';
*tmp = '\0';
if (l && (p = strstr(word, string)) != NULL) {
char *sav = p;
while ((p = strstr(p + l, string)) != NULL)
sav = p;
p = sav;
if (strcmp(p, string) == 0) {
tmp = p;
j = k - 1;
}
else
*tmp++ = '-';
}
else
*tmp++ = '-';
}
else
*tmp++ = str[j];
}
*tmp = '\0';
list[i] = XtNewString(word);
if (end) str = end + 1;
else break;
}
len = i + 1;
XtSetArg(args[0], XtNlist, &old_list);
XtSetArg(args[1], XtNnumberStrings, &old_len);
XtGetValues(ispell.list, args, 2);
ispell.item = NULL;
if ((str = IspellReplacedWord(&ispell.buf[2], NULL)) != NULL)
for (i = 0; i < len; i++) {
if (strcmp(list[i], str) == 0) {
ispell.item = list[i];
break;
}
}
else
ispell.item = list[i = 0];
if (!ispell.item) {
list = (char**)XtRealloc((char*)list, (len + 1) * sizeof(char*));
ispell.item = list[i] = XtNewString(str);
++len;
}
XtSetArg(args[0], XtNlist, list);
XtSetArg(args[1], XtNnumberStrings, len);
XtSetValues(ispell.list, args, 2);
XtSetSensitive(ispell.list, True);
if (!ispell.checkit)
XawListHighlight(ispell.list, i);
if (old_len > 1 || (XtName(ispell.list) != old_list[0])) {
while (--old_len > -1)
XtFree(old_list[old_len]);
XtFree((char*)old_list);
}
if (!ispell.checkit) {
XtSetArg(args[0], XtNstring, ispell.item);
XtSetValues(ispell.text, args, 1);
IspellSetSelection(ispell.left, ispell.right);
if (ispell.repeat)
IspellSetRepeated(ispell.repeat = False);
}
IspellSetStatus(ispell.buf[0] == '?' ?
ispell.guess_label : ispell.miss_label);
ispell.undo_terse_mode = ispell.terse_mode;
ispell.format_mode = ispell.format_info->value;
ispell.lock = True;
break;
case '#': /* NONE */
case '-': /* COMPOUND */
case '+': /* ROOT */
check_label:
str = &ispell.sendbuf[1];
if (!ispell.checkit) {
XtSetArg(args[0], XtNlabel, str);
XtSetValues(ispell.word, args, 1);
}
XtSetArg(args[0], XtNlist, &old_list);
XtSetArg(args[1], XtNnumberStrings, &old_len);
XtGetValues(ispell.list, args, 2);
ispell.item = NULL;
list = (char**)XtMalloc(sizeof(char**));
if ((tmp = IspellReplacedWord(str, NULL)) != NULL)
str = tmp;
if (tmp == NULL && ispell.buf[0] == '#')
list[0] = XtNewString("");
else
list[0] = XtNewString(str);
XtSetArg(args[0], XtNlist, list);
XtSetArg(args[1], XtNnumberStrings, 1);
XtSetValues(ispell.list, args, 2);
if (tmp == NULL && ispell.buf[0] == '#') {
XawListUnhighlight(ispell.list);
XtSetSensitive(ispell.list, False);
}
else {
XtSetSensitive(ispell.list, True);
if (!ispell.checkit)
XawListHighlight(ispell.list, 0);
}
if (old_len > 1 || (XtName(ispell.list) != old_list[0])) {
while (--old_len > -1)
XtFree(old_list[old_len]);
XtFree((char*)old_list);
}
if (!ispell.checkit) {
XtSetArg(args[0], XtNstring, str);
XtSetValues(ispell.text, args, 1);
IspellSetSelection(ispell.left, ispell.right);
if (ispell.repeat)
IspellSetRepeated(ispell.repeat = False);
}
ispell.undo_terse_mode = ispell.terse_mode;
ispell.format_mode = ispell.format_info->value;
ispell.lock = True;
if (ispell.buf[0] == '+') {
if ((tmp = strchr(&ispell.buf[2], '\n')) != NULL)
*tmp = '\0';
XmuSnprintf(word, sizeof(word), "%s %s",
ispell.root_label, &ispell.buf[2]);
IspellSetStatus(word);
}
else
IspellSetStatus(ispell.buf[0] == '#' ? ispell.none_label :
ispell.buf[0] == '-' ? ispell.compound_label :
ispell.ok_label);
break;
case '*': /* OK */
case '\0': /* when running in terse mode */
if (!ispell.checkit)
(void)IspellIgnoredWord(&ispell.sendbuf[1], ADD, 0);
else
goto check_label;
ispell.lock = False;
break;
case '@': /* Ispell banner */
/* it only happens when the dictionary is changed */
if (!ispell.repeat) {
XawTextPosition left, right;
ispell.stat = SEND;
while (IspellSend() == 0)
;
/* word chars may have changed */
XawTextGetSelectionPos(ispell.ascii, &left, &right);
if (left != ispell.left || right != ispell.right) {
XtSetArg(args[0], XtNstring, &ispell.sendbuf[1]);
XtSetValues(ispell.text, args, 1);
IspellSetSelection(ispell.left, ispell.right);
}
ispell.checkit = True;
}
else {
IspellSetStatus(ispell.repeat_label);
ispell.undo_terse_mode = ispell.terse_mode;
ispell.format_mode = ispell.format_info->value;
ispell.lock = True;
return (True);
}
break;
default:
fprintf(stderr, "Unknown ispell command '%c'\n", ispell.buf[0]);
return (False);
}
if (!ispell.lock && !ispell.checkit) {
ispell.stat = SEND;
while (IspellSend() == 0)
;
}
return (True);
}
static int
IspellConvertHtmlAmp(char *buf)
{
int len, ch = '?';
/* this function is static, so I can do it */
*strchr(++buf, ';') = '\0';
len = strlen(buf);
if (len == 0)
return ('&');
if (len > 1) {
if (strcasecmp(&buf[1], "lt") == 0)
ch = '<';
else if (strcasecmp(&buf[1], "gt") == 0)
ch = '>';
else if (strcasecmp(&buf[1], "nbsp") == 0)
ch = ' ';
else if (strcasecmp(&buf[1], "amp") == 0)
ch = '&';
else if (strcasecmp(&buf[1], "quot") == 0)
ch = '"';
else if (*buf == '#') {
char *tmp;
if (len == 1)
return ('?');
ch = strtol(&buf[1], &tmp, 10);
if (*tmp)
fprintf(stderr, "Warning: bad html interpreting '&#' mark.\n");
}
else if (strcmp(&buf[1], "acute") == 0) {
switch (*buf) {
case 'a': ch = 0xe1; break;
case 'e': ch = 0xe9; break;
case 'i': ch = 0xed; break;
case 'o': ch = 0xf3; break;
case 'u': ch = 0xfa; break;
case 'A': ch = 0xc1; break;
case 'E': ch = 0xc9; break;
case 'I': ch = 0xcd; break;
case 'O': ch = 0xd3; break;
case 'U': ch = 0xda; break;
}
}
else if (strcmp(&buf[1], "grave") == 0) {
switch (*buf) {
case 'a': ch = 0xe0; break;
case 'e': ch = 0xe8; break;
case 'i': ch = 0xec; break;
case 'o': ch = 0xf2; break;
case 'u': ch = 0xf9; break;
case 'A': ch = 0xc0; break;
case 'E': ch = 0xc8; break;
case 'I': ch = 0xcc; break;
case 'O': ch = 0xd2; break;
case 'U': ch = 0xd9; break;
}
}
else if (strcmp(&buf[1], "tilde") == 0) {
switch (*buf) {
case 'a': ch = 0xe3; break;
case 'o': ch = 0xf5; break;
case 'n': ch = 0xf1; break;
case 'A': ch = 0xe3; break;
case 'O': ch = 0xd5; break;
case 'N': ch = 0xd1; break;
}
}
else if (strcmp(&buf[1], "circ") == 0) {
switch (*buf) {
case 'a': ch = 0xe2; break;
case 'e': ch = 0xea; break;
case 'i': ch = 0xee; break;
case 'o': ch = 0xf4; break;
case 'u': ch = 0xfb; break;
case 'A': ch = 0xc2; break;
case 'E': ch = 0xca; break;
case 'I': ch = 0xce; break;
case 'O': ch = 0xd4; break;
case 'U': ch = 0xdb; break;
}
}
else if (strcmp(&buf[1], "cedil") == 0) {
switch (*buf) {
case 'c': ch = 0xe7; break;
case 'C': ch = 0xc7; break;
}
}
/* add more cases here */
}
return (ch);
}
/*ARGSUSED*/
static int
IspellSend(void)
{
XawTextPosition position, old_left, pos;
XawTextBlock block;
int i, len, spaces, nls;
Bool nl, html, inside_html;
char ampbuf[32];
int amplen;
if (ispell.lock || ispell.stat != SEND)
return (-1);
len = 1;
ispell.sendbuf[0] = '^'; /* don't evaluate following characters as commands */
spaces = nls = 0;
html = ispell.format_info->value == HTML;
inside_html = False;
amplen = 0;
/* skip non word characters */
pos = position = ispell.right;
nl = False;
while (1) {
Bool done = False;
char mb[sizeof(wchar_t)];
retry_html_space:
position = XawTextSourceRead(ispell.source, position,
&block, BUFSIZ);
if (block.length == 0) { /* end of file */
ispell.stat = 0;
ispell.lock = True;
XawTextSetInsertionPoint(ispell.ascii, ispell.right);
XawTextUnsetSelection(ispell.ascii);
IspellSetSensitive(False);
IspellSetStatus(ispell.eof_label);
return (-1);
}
for (i = 0; i < block.length; i++) {
wctomb(mb, ((wchar_t*)block.ptr)[i]);
if (amplen) {
if (amplen + 2 >= sizeof(ampbuf)) {
if (!ispell.terse_mode)
fprintf(stderr, "Warning: error interpreting '&' mark.\n");
amplen = 0;
position = pos + 1;
goto retry_html_space;
}
else if ((ampbuf[amplen++] = *mb) == ';') {
int ch;
ampbuf[amplen] = '\0';
ch = IspellConvertHtmlAmp(ampbuf);
amplen = 0;
if (isalpha(ch) ||
(ch && strchr(ispell.wchars, ch))) {
/* interpret it again */
ispell.right = pos;
i = 0;
done = True;
break;
}
else if ((ch == '\n' || isspace(ch)) && spaces >= 0)
++spaces;
else
spaces = -1;
}
}
else if (html && *mb == '&') {
ampbuf[amplen++] = *mb;
pos = block.firstPos + i;
continue;
}
else if ((!html || !inside_html) && (isalpha(*mb) ||
(*mb && strchr(ispell.wchars, *mb)))) {
done = True;
break;
}
else if (!html && *mb == '\n') {
nl = True;
if (++nls > 1 && (!html || !inside_html))
spaces = -1;
else if (spaces >= 0)
++spaces;
}
else if (nl) {
nl = False;
if (*mb && strchr(ispell.skip, *mb)) {
position = ispell.right =
XawTextSourceScan(ispell.source, ispell.right + i,
XawstEOL, XawsdRight, 1, False);
i = 0;
break;
}
else if (spaces >= 0 && isspace(*mb))
++spaces;
else
spaces = -1;
}
else if (html && inside_html) {
if (*mb == '>')
inside_html = False;
}
else if (html && *mb == '<')
inside_html = True;
else if (spaces >= 0 && (isspace(*mb) || (html && *mb == '\n')))
++spaces;
else
spaces = -1;
}
ispell.right += i;
if (done)
break;
}
old_left = ispell.left;
/* read a word */
position = ispell.left = ispell.right;
while (1) {
Bool done = False;
char mb[sizeof(wchar_t)];
retry_html_word:
position = XawTextSourceRead(ispell.source, position,
&block, BUFSIZ);
if (block.length == 0 && len == 1) { /* end of file */
ispell.stat = 0;
ispell.lock = True;
XawTextSetInsertionPoint(ispell.ascii, ispell.right);
XawTextUnsetSelection(ispell.ascii);
IspellSetSensitive(False);
IspellSetStatus(ispell.eof_label);
return (-1);
}
for (i = 0; i < block.length; i++) {
wctomb(mb, ((wchar_t*)block.ptr)[i]);
if (amplen) {
if (amplen + 2 >= sizeof(ampbuf)) {
if (!ispell.terse_mode)
fprintf(stderr, "Warning: error interpreting '&' mark.\n");
amplen = 0;
position = pos + 1;
if (strchr(ispell.wchars, '&')) {
if (len + 1 >= sizeof(ispell.sendbuf) - 1) {
done = True;
fprintf(stderr, "Warning: word is too large!\n");
break;
}
ispell.sendbuf[len++] = '&';
goto retry_html_word;
}
else {
ispell.right = position;
i = 0;
done = True;
break;
}
}
else if ((ampbuf[amplen++] = *mb) == ';') {
int ch;
ampbuf[amplen] = '\0';
ch = IspellConvertHtmlAmp(ampbuf);
amplen = 0;
if (!isalpha(ch) &&
(!ch || !strchr(ispell.wchars, ch))) {
ispell.right = pos;
i = 0;
done = True;
break;
}
*mb = ch;
}
else
continue;
}
else if (html && *mb == '&') {
ampbuf[amplen++] = *mb;
pos = block.firstPos + i;
continue;
}
else if (!isalpha(*mb) && (!*mb || !strchr(ispell.wchars, *mb))) {
done = True;
break;
}
ispell.sendbuf[len] = *mb;
if (++len >= sizeof(ispell.sendbuf) - 1) {
done = True;
fprintf(stderr, "Warning: word is too large!\n");
break;
}
}
ispell.right += i;
if (done || block.length == 0)
break;
}
ispell.sendbuf[len] = '\0';
if (spaces > 0 && spaces <= 32 && strcmp(ispell.sendbuf, ispell.sentbuf) == 0) {
Arg args[2];
int old_len;
char **list, **old_list;
char label[sizeof(ispell.sendbuf) + sizeof(ispell.sentbuf) + 32];
strcpy(label, &ispell.sendbuf[1]);
for (i = 0; i < spaces; i++)
label[len + i - 1] = ' ';
strcpy(&label[len + i - 1], &ispell.sendbuf[1]);
XtSetArg(args[0], XtNlabel, label);
XtSetValues(ispell.word, args, 1);
XtSetArg(args[0], XtNstring, &ispell.sendbuf[1]);
XtSetValues(ispell.text, args, 1);
XtSetArg(args[0], XtNlist, &old_list);
XtSetArg(args[1], XtNnumberStrings, &old_len);
XtGetValues(ispell.list, args, 2);
list = (char**)XtMalloc(sizeof(char**));
list[0] = XtNewString(&ispell.sendbuf[1]);
XtSetArg(args[0], XtNlist, list);
XtSetArg(args[1], XtNnumberStrings, 1);
XtSetValues(ispell.list, args, 2);
XtSetSensitive(ispell.list, True);
XawListHighlight(ispell.list, 0);
if (old_len > 1 || (XtName(ispell.list) != old_list[0])) {
while (--old_len > -1)
XtFree(old_list[old_len]);
XtFree((char*)old_list);
}
IspellSetRepeated(True);
IspellSetSelection(old_left, ispell.right);
IspellSetStatus(ispell.repeat_label);
ispell.repeat = ispell.lock = True;
return (1);
}
strcpy(ispell.sentbuf, ispell.sendbuf);
if (len <= 2 || IspellIgnoredWord(&ispell.sendbuf[1], CHECK, 0))
return (0);
ispell.sendbuf[len++] = '\n';
write(ispell.ofd[1], ispell.sendbuf, len);
ispell.stat = RECEIVE;
return (1);
}
/*ARGSUSED*/
static void
IspellInputCallback(XtPointer closure, int *source, XtInputId *id)
{
if (ispell.right < 0) {
int len;
char buf[1024];
ispell.right = XawTextGetInsertionPoint(ispell.ascii);
ispell.right = XawTextSourceScan(ispell.source, ispell.right,
XawstEOL, XawsdLeft, 1, True);
len = read(ispell.ifd[0], buf, sizeof(buf));
if (strncmp(buf, "@(#)", 4) == 0) {
Arg args[1];
buf[len - 1] = '\0';
XtSetArg(args[0], XtNtitle, &buf[5]);
XtSetValues(ispell.shell, args, 1);
}
else
fprintf(stderr, "Error: is ispell talking with me?\n");
IspellSetTerseMode(ispell.terse_mode);
while (IspellSend() == 0)
;
}
else if (ispell.source)
IspellReceive();
}
/*ARGSUSED*/
void
IspellCallback(Widget w, XtPointer client_data, XtPointer call_data)
{
Cardinal zero = 0;
IspellAction(textwindow, NULL, NULL, &zero);
}
/*ARGSUSED*/
void
IspellAction(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
Arg args[3];
Cardinal num_args;
char **strs, **list;
int n_strs;
Bool first_time = InitIspell();
if (*num_params == 1 && (params[0][0] == 'e' || params[0][0] == 'E')) {
PopdownIspell(w, (XtPointer)True, NULL);
return;
}
if (!XtIsSubclass(w, textWidgetClass) || ispell.source) {
Feep();
return;
}
ispell.source = XawTextGetSource(ispell.ascii = w);
if (first_time) {
/* let the user choose the better position for the ispell window */
Dimension width, height, b_width;
Position x, y, max_x, max_y;
x = y = -1;
if (event) {
switch (event->type) {
case ButtonPress:
case ButtonRelease:
x = event->xbutton.x_root;
y = event->xbutton.y_root;
break;
case KeyPress:
case KeyRelease:
x = event->xkey.x_root;
y = event->xkey.y_root;
break;
}
}
if (x < 0 || y < 0) {
Window r, c;
int rx, ry, wx, wy;
unsigned mask;
XQueryPointer(XtDisplay(ispell.shell), XtWindow(ispell.shell),
&r, &c, &rx, &ry, &wx, &wy, &mask);
x = rx;
y = ry;
}
num_args = 0;
XtSetArg(args[num_args], XtNwidth, &width); num_args++;
XtSetArg(args[num_args], XtNheight, &height); num_args++;
XtSetArg(args[num_args], XtNborderWidth, &b_width); num_args++;
XtGetValues(ispell.shell, args, num_args);
width += b_width << 1;
height += b_width << 1;
x -= (Position)(width >> 1);
if (x < 0)
x = 0;
if (x > (max_x = (Position)(XtScreen(w)->width - width)))
x = max_x;
y -= (Position)(height >> 1);
if (y < 0)
y = 0;
if (y > (max_y = (Position)(XtScreen(w)->height - height)))
y = max_y;
num_args = 0;
XtSetArg(args[num_args], XtNx, x); num_args++;
XtSetArg(args[num_args], XtNy, y); num_args++;
XtSetValues(ispell.shell, args, num_args);
}
if (ispell.repeat)
IspellSetRepeated(False);
ispell.lock = ispell.repeat = ispell.checkit = False;
ispell.stat = SEND;
IspellSetSensitive(True);
XtSetSensitive(ispell.undo, False);
XtSetArg(args[0], XtNlabel, "");
XtSetValues(ispell.word, args, 1);
XtSetArg(args[0], XtNstring, "");
XtSetValues(ispell.text, args, 1);
XtSetArg(args[0], XtNlist, &strs);
XtSetArg(args[1], XtNnumberStrings, &n_strs);
XtGetValues(ispell.list, args, 2);
list = (char**)XtMalloc(sizeof(char**));
list[0] = XtNewString("");
XtSetArg(args[0], XtNlist, list);
XtSetArg(args[1], XtNnumberStrings, 1);
XtSetValues(ispell.list, args, 2);
if (n_strs > 1 || (XtName(ispell.list) != strs[0])) {
while (--n_strs > -1)
XtFree(strs[n_strs]);
XtFree((char*)strs);
}
IspellSetStatus(ispell.working_label);
if (!ispell.pid)
(void)IspellStartProcess();
else {
ispell.right = XawTextGetInsertionPoint(ispell.ascii);
ispell.right = XawTextSourceScan(ispell.source, ispell.right,
XawstEOL, XawsdLeft, 1, True);
while (IspellSend() == 0)
;
}
XtPopup(ispell.shell, XtGrabExclusive);
XtSetKeyboardFocus(ispell.shell, ispell.text);
}
static Bool
IspellStartProcess(void)
{
if (!ispell.pid) {
int len;
char *command;
ispell.source = XawTextGetSource(ispell.ascii);
len = strlen(ispell.cmd) + strlen(ispell.dictionary) +
strlen(ispell.wchars) + 16;
command = XtMalloc(len);
XmuSnprintf(command, len, "%s -a -d '%s' -w '%s'",
ispell.cmd, ispell.dictionary, ispell.wchars);
pipe(ispell.ifd);
pipe(ispell.ofd);
if ((ispell.pid = fork()) == 0) {
close(0);
close(1);
dup2(ispell.ofd[0], 0);
dup2(ispell.ifd[1], 1);
close(ispell.ofd[0]);
close(ispell.ofd[1]);
close(ispell.ifd[0]);
close(ispell.ifd[1]);
execl("/bin/sh", "sh", "-c", command, (void *)NULL);
exit(-127);
}
else if (ispell.pid < 0) {
fprintf(stderr, "Cannot fork\n");
exit(1);
}
ispell.buf = XtMalloc(ispell.bufsiz = BUFSIZ);
ispell.right = -1;
ispell.id = XtAppAddInput(XtWidgetToApplicationContext(ispell.shell),
ispell.ifd[0], (XtPointer)XtInputReadMask,
IspellInputCallback, NULL);
fcntl(ispell.ifd[0], F_SETFL, O_NONBLOCK);
}
else
return (False);
return (True);
}
/*ARGSUSED*/
static void
PopdownIspell(Widget w, XtPointer client_data, XtPointer call_data)
{
(void)IspellEndProcess((Bool)(long)client_data, True);
XtPopdown(ispell.shell);
*ispell.sentbuf = '\0';
}
static Bool
IspellEndProcess(Bool killit, Bool killundo)
{
ispell.source = NULL;
if (ispell.pid) {
IgnoreList *il, *pil, *nil;
int i;
/* insert added words in private dictionary */
for (i = 0; i < ISTRTBLSZ; i++) {
pil = il = ignore_list[i];
while (il) {
if (il->add) {
nil = il->next;
if (il == pil)
ignore_list[i] = nil;
else
pil->next = nil;
if (il->add == UNCAP)
write(ispell.ofd[1], "&", 1);
else
write(ispell.ofd[1], "*", 1);
write(ispell.ofd[1], il->word, strlen(il->word));
write(ispell.ofd[1], "\n", 1);
XtFree(il->word);
XtFree((char*)il);
il = nil;
}
else
il = il->next;
pil = il;
}
}
write(ispell.ofd[1], "#\n", 2); /* save dictionary */
if (killit) {
ReplaceList *rl, *prl;
XtRemoveInput(ispell.id);
close(ispell.ofd[0]);
close(ispell.ofd[1]);
close(ispell.ifd[0]);
close(ispell.ifd[1]);
/* if something goes wrong, we don't want to block here forever */
old_timeout = signal(SIGALRM, timeout_signal);
alarm(10);
waitpid(ispell.pid, NULL, 0);
alarm(0);
signal(SIGALRM, old_timeout);
ispell.pid = 0;
if (ispell.buf)
XtFree(ispell.buf);
ispell.buf = NULL;
for (i = 0; i < RSTRTBLSZ; i++) {
prl = rl = replace_list[i];
while (prl) {
rl = rl->next;
XtFree(prl->word);
XtFree(prl->replace);
XtFree((char*)prl);
prl = rl;
}
replace_list[i] = NULL;
}
for (i = 0; i < ISTRTBLSZ; i++) {
pil = il = ignore_list[i];
while (pil) {
il = il->next;
XtFree(pil->word);
XtFree((char*)pil);
pil = il;
}
ignore_list[i] = NULL;
}
}
if (killundo)
IspellKillUndoBuffer();
}
else
return (False);
return (True);
}
static void
IspellKillUndoBuffer(void)
{
ispell_undo *undo, *pundo;
undo = pundo = ispell.undo_base;
while (undo) {
undo = undo->next;
if (pundo->undo_str)
XtFree(pundo->undo_str);
XtFree((char*)pundo);
pundo = undo;
}
ispell.undo_base = ispell.undo_head = NULL;
ispell.undo_for = NULL;
ispell.undo_depth = 0;
XtSetSensitive(ispell.undo, False);
}
/*ARGSUSED*/
static void
RevertIspell(Widget w, XtPointer client_data, XtPointer call_data)
{
Arg args[1];
char *string, *repstr = NULL;
XtSetArg(args[0], XtNlabel, &string);
XtGetValues(ispell.word, args, 1);
if ((repstr = strchr(string, ' ')) != NULL) {
string = repstr = XtNewString(string);
*strchr(repstr, ' ') = '\0';
}
XtSetArg(args[0], XtNstring, string);
XtSetValues(ispell.text, args, 1);
if (repstr)
XtFree(repstr);
}
/*ARGSUSED*/
static void
SelectIspell(Widget w, XtPointer client_data, XtPointer call_data)
{
XawListReturnStruct *info = (XawListReturnStruct *)call_data;
Arg args[1];
XtSetArg(args[0], XtNstring, ispell.item = info->string);
XtSetValues(ispell.text, args, 1);
}
/*ARGSUSED*/
void
ReplaceIspell(Widget w, XtPointer client_data, XtPointer call_data)
{
XawTextPosition pos = XawTextGetInsertionPoint(ispell.ascii);
XawTextBlock check, search, replace;
Arg args[1];
char *text;
if (!ispell.lock)
return;
XtSetArg(args[0], XtNlabel, &text);
XtGetValues(ispell.word, args, 1);
search.ptr = text;
search.format = XawFmt8Bit;
search.firstPos = 0;
search.length = ispell.right - pos;
XtSetArg(args[0], XtNstring, &text);
XtGetValues(ispell.text, args, 1);
replace.ptr = text;
replace.format = XawFmt8Bit;
replace.firstPos = 0;
replace.length = strlen(text);
if (strcmp(search.ptr, replace.ptr) != 0 &&
XawTextReplace(ispell.ascii, pos, pos + search.length,
&replace) == XawEditDone) {
ispell.right += replace.length - search.length;
IspellCheckUndo();
ispell.undo_head->undo_str = NULL;
ispell.undo_head->undo_pos = pos;
ispell.undo_head->undo_count = 1;
if (ispell.repeat) {
ispell.undo_head->repeat = 2; /* To recognize later it was replaced */
ispell.undo_head->undo_count = ispell.right;
ispell.undo_head->undo_str = XtNewString(search.ptr);
}
if (client_data && !ispell.repeat) {
XawTextDisableRedisplay(ispell.ascii);
pos = ispell.right;
while ((pos = XawTextSourceSearch(ispell.source, pos, XawsdRight, &search))
!= XawTextSearchError) {
Bool do_replace = True;
char mb[sizeof(wchar_t)];
if (XawTextSourceRead(ispell.source, pos - 1, &check, 1) > 0) {
wctomb(mb, *(wchar_t*)check.ptr);
do_replace = !isalpha(*mb) && *mb && !strchr(ispell.wchars, *mb);
}
if (do_replace &&
XawTextSourceRead(ispell.source, pos + search.length, &check, 1) > 0) {
wctomb(mb, *(wchar_t*)check.ptr);
do_replace = !isalpha(*mb) && *mb && !strchr(ispell.wchars, *mb);
}
if (do_replace) {
XawTextReplace(ispell.ascii, pos, pos + search.length, &replace);
++ispell.undo_head->undo_count;
}
pos += search.length;
}
XawTextEnableRedisplay(ispell.ascii);
}
(void)IspellReplacedWord(search.ptr, replace.ptr);
strncpy(&ispell.sentbuf[1], replace.ptr, sizeof(ispell.sentbuf) - 2);
ispell.sentbuf[sizeof(ispell.sentbuf) - 1] = '\0';
}
else
Feep();
if (ispell.repeat)
ispell.right = ispell.left = XawTextGetInsertionPoint(ispell.ascii);
else if (!ispell.terse_mode || !ispell.item ||
strcmp(ispell.item, replace.ptr))
ispell.right = ispell.left; /* check it again! */
ispell.lock = ispell.checkit = False;
ispell.stat = SEND;
IspellSetStatus(ispell.working_label);
while (IspellSend() == 0)
;
}
/*ARGSUSED*/
void
IgnoreIspell(Widget w, XtPointer client_data, XtPointer call_data)
{
Arg args[1];
char *text;
if (!ispell.lock)
return;
XtSetArg(args[0], XtNlabel, &text);
XtGetValues(ispell.word, args, 1);
IspellCheckUndo();
if ((ispell.undo_head->repeat = ispell.repeat) != False) {
ispell.undo_head->undo_count = ispell.right;
ispell.undo_head->undo_str = XtNewString(text);
}
else
ispell.undo_head->undo_count = 0;
ispell.undo_head->undo_pos = XawTextGetInsertionPoint(ispell.ascii);
if (!ispell.repeat) {
if (client_data) {
IspellIgnoredWord(text, ADD, 0);
ispell.undo_head->undo_str = XtNewString(text);
}
else
ispell.undo_head->undo_str = NULL;
}
ispell.lock = ispell.checkit = False;
ispell.stat = SEND;
IspellSetStatus(ispell.working_label);
while (IspellSend() == 0)
;
}
/*ARGSUSED*/
void
AddIspell(Widget w, XtPointer client_data, XtPointer call_data)
{
Arg args[1];
char *text;
int cmd = (long)client_data;
if (!ispell.lock || ispell.repeat)
return;
XtSetArg(args[0], XtNlabel, &text);
XtGetValues(ispell.word, args, 1);
IspellCheckUndo();
ispell.undo_head->undo_str = XtNewString(text);
ispell.undo_head->undo_pos = XawTextGetInsertionPoint(ispell.ascii);
ispell.undo_head->undo_count = -cmd;
(void)IspellIgnoredWord(text, ADD, cmd);
ispell.lock = ispell.checkit = False;
ispell.stat = SEND;
IspellSetStatus(ispell.working_label);
while (IspellSend() == 0)
;
}
/*ARGSUSED*/
static void
UndoIspell(Widget w, XtPointer client_data, XtPointer call_data)
{
Bool enable_redisplay = False;
ispell_undo *undo = ispell.undo_head;
if ((!ispell.lock && ispell.stat) || !undo)
return;
if (ispell.undo_for && strcmp(ispell.undo_for, ispell.dictionary)) {
XeditPrintf("Undo: Dictionary changed. Undo information was lost.\n");
IspellKillUndoBuffer();
Feep();
return;
}
if (undo->terse != ispell.terse_mode)
IspellSetTerseMode(undo->terse);
if (undo->format != ispell.format_info->value) {
struct _ispell_format *fmt = &ispell_format[undo->format];
ChangeFormatIspell(fmt->sme, (XtPointer)fmt, NULL);
}
if (undo->undo_count > 0 && !undo->repeat) {
XawTextPosition tmp;
enable_redisplay = undo->undo_count > 1;
if (enable_redisplay)
XawTextDisableRedisplay(ispell.ascii);
while (undo->undo_count--)
if (!_XawTextSrcUndo((TextSrcObject)ispell.source, &tmp)) {
Feep();
break;
}
}
else if (undo->undo_count < 0) {
if (undo->undo_str)
(void)IspellIgnoredWord(undo->undo_str, REMOVE, -undo->undo_count);
}
else if (undo->undo_str) {
if (!undo->repeat)
IspellIgnoredWord(undo->undo_str, REMOVE, 0);
}
XawTextSetInsertionPoint(ispell.ascii,
ispell.right = ispell.left = undo->undo_pos);
if (enable_redisplay)
XawTextEnableRedisplay(ispell.ascii);
/* need to do it because may be two misspelled words together */
if (undo->repeat) {
char **list, **old_list;
int old_len;
Arg args[2];
if (undo->repeat > 1) {
XawTextDisableRedisplay(ispell.ascii);
if (!_XawTextSrcUndo((TextSrcObject)ispell.source, &ispell.right))
Feep();
XawTextEnableRedisplay(ispell.ascii);
}
else
ispell.right = (XawTextPosition)undo->undo_count;
IspellSetRepeated(ispell.repeat = True);
XtSetArg(args[0], XtNlabel, undo->undo_str);
XtSetValues(ispell.word, args, 1);
XmuSnprintf(ispell.sentbuf, sizeof(ispell.sentbuf), "^%s",
strrchr(undo->undo_str, ' ') + 1);
strcpy(ispell.sendbuf, ispell.sentbuf);
XtSetArg(args[0], XtNstring, &ispell.sentbuf[1]);
XtSetValues(ispell.text, args, 1);
XtSetArg(args[0], XtNlist, &old_list);
XtSetArg(args[1], XtNnumberStrings, &old_len);
XtGetValues(ispell.list, args, 2);
list = (char **)XtMalloc(sizeof(char*));
list[0] = XtNewString(&ispell.sentbuf[1]);
XtSetArg(args[0], XtNlist, list);
XtSetArg(args[1], XtNnumberStrings, 1);
XtSetValues(ispell.list, args, 2);
XtSetSensitive(ispell.list, True);
XawListHighlight(ispell.list, 0);
if (old_len > 1 || (XtName(ispell.list) != old_list[0])) {
while (--old_len > -1)
XtFree(old_list[old_len]);
XtFree((char*)old_list);
}
IspellSetSelection(ispell.left, ispell.right);
IspellSetStatus(ispell.repeat_label);
ispell.lock = True;
ispell.checkit = False;
}
else if (ispell.repeat) {
*ispell.sentbuf = '\0';
IspellSetRepeated(ispell.repeat = False);
}
if (undo->prev)
undo->prev->next = NULL;
ispell.undo_head = undo->prev;
if (undo == ispell.undo_base) {
ispell.undo_base = NULL;
ispell.undo_for = NULL;
XtSetSensitive(ispell.undo, False);
}
if (undo->undo_str)
XtFree(undo->undo_str);
XtFree((char*)undo);
--ispell.undo_depth;
if (!ispell.stat || ispell.checkit)
IspellSetSensitive(True);
if (!ispell.repeat) {
ispell.lock = ispell.checkit = False;
ispell.stat = SEND;
IspellSetStatus(ispell.working_label);
while (IspellSend() == 0)
;
}
}
/*ARGSUSED*/
static void
CheckIspell(Widget w, XtPointer client_data, XtPointer call_data)
{
Arg args[1];
char *text, *str, string[1024];
int i, len;
if (!ispell.lock)
return;
XtSetArg(args[0], XtNstring, &text);
XtGetValues(ispell.text, args, 1);
/* Check only a word at a time */
len = 0;
str = text;
while (*str) {
if (isalpha(*str) || strchr(ispell.wchars, *str))
break;
++str;
++len;
}
i = 0;
while (*str) {
if (isalpha(*str) || strchr(ispell.wchars, *str))
string[i++] = *str++;
else
break;
}
string[i] = '\0';
if (strcmp(text, string)) {
XawTextPosition pos = XawTextGetInsertionPoint(ispell.text) - len;
XtSetArg(args[0], XtNstring, string);
XtSetValues(ispell.text, args, 1);
XawTextSetInsertionPoint(ispell.text, pos);
Feep();
}
if (i == 0) {
Feep();
return;
}
len = XmuSnprintf(ispell.sendbuf, sizeof(ispell.sendbuf), "^%s\n", string);
ispell.sendbuf[sizeof(ispell.sendbuf) - 1] = '\n';
write(ispell.ofd[1], ispell.sendbuf, len);
ispell.lock = False;
ispell.checkit = True;
ispell.stat = RECEIVE;
}
/*ARGSUSED*/
static void
LookIspell(Widget w, XtPointer client_data, XtPointer call_data)
{
int len, old_len;
FILE *fd;
Arg args[2];
char *text, *str, **list, **old_list, command[1024], buffer[1024];
Bool sensitive = True;
if (!ispell.lock)
return;
XtSetArg(args[0], XtNstring, &text);
XtGetValues(ispell.text, args, 1);
if (!*text) {
Feep();
return;
}
if (strlen(ispell.look_cmd) + strlen(text) + strlen(ispell.words_file) + 8
> sizeof(command) - 1) {
fprintf(stderr, "Command line too large\n");
return;
}
XmuSnprintf(command, sizeof(command), "%s '^%s.*$' %s",
ispell.look_cmd, text, ispell.words_file);
if ((fd = popen(command, "r")) == NULL) {
fprintf(stderr, "Cannot popen '%s'\n", ispell.look_cmd);
return;
}
list = NULL;
len = 0;
#define MAX_LOOK_RESULTS 256
while (fgets(buffer, sizeof(buffer), fd) != NULL) {
if ((str = strchr(buffer, '\n')) == NULL) {
fprintf(stderr, "String is too large\n");
break;
}
*str = '\0';
if ((len % 16) == 0)
list = (char**)XtRealloc((char*)list, sizeof(char*) * (len + 16));
list[len] = XtNewString(buffer);
if (++len >= MAX_LOOK_RESULTS) {
Feep();
break;
}
}
#undef MAX_LOOK_RESULTS
XtSetArg(args[0], XtNlist, &old_list);
XtSetArg(args[1], XtNnumberStrings, &old_len);
XtGetValues(ispell.list, args, 2);
if (len == 0) {
list = (char**)XtMalloc(sizeof(char*));
list[0] = XtNewString("");
len = 1;
sensitive = False;
}
XtSetArg(args[0], XtNlist, list);
XtSetArg(args[1], XtNnumberStrings, len);
XtSetValues(ispell.list, args, 2);
XtSetSensitive(ispell.list, sensitive);
IspellSetStatus(sensitive ? ispell.look_label : ispell.none_label);
if (old_len > 1 || (XtName(ispell.list) != old_list[0])) {
while (--old_len > -1)
XtFree(old_list[old_len]);
XtFree((char*)old_list);
}
pclose(fd);
}
/*ARGSUSED*/
static void
ToggleTerseIspell(Widget w, XtPointer client_data, XtPointer call_data)
{
if (!ispell.lock)
return;
ispell.terse_mode = !ispell.terse_mode;
write(ispell.ofd[1], ispell.terse_mode ? "!\n" : "%\n", 2);
}
/*ARGSUSED*/
static void
ChangeDictionaryIspell(Widget w, XtPointer client_data, XtPointer call_data)
{
ispell_dict *tmp, *dic = (ispell_dict*)client_data;
XawTextPosition pos = XawTextGetInsertionPoint(ispell.ascii);
XawTextPosition right = ispell.right;
Arg args[1];
if (strcmp(XtName(dic->sme), ispell.dictionary) == 0)
return;
if (!ispell.lock) {
Feep();
return;
}
for (tmp = ispell.dict_info; tmp; tmp = tmp->next)
if (strcmp(XtName(tmp->sme), ispell.dictionary) == 0) {
XtSetArg(args[0], XtNleftBitmap, None);
XtSetValues(tmp->sme, args, 1);
}
if (ispell.undo_base && !ispell.undo_for)
ispell.undo_for = ispell.dictionary;
XtSetArg(args[0], XtNleftBitmap, flist.pixmap);
XtSetValues(dic->sme, args, 1);
ispell.dictionary = XtName(dic->sme);
ispell.wchars = dic->wchars;
XtSetArg(args[0], XtNlabel, XtName(dic->sme));
XtSetValues(ispell.dict, args, 1);
IspellSetStatus(ispell.working_label);
(void)IspellEndProcess(True, False);
ispell.lock = ispell.checkit = False;
(void)IspellStartProcess();
ispell.stat = RECEIVE;
/* restart at the same selected word */
if (ispell.repeat == False)
ispell.left = ispell.right = pos;
else
ispell.right = right;
}
/*ARGSUSED*/
static void
ChangeFormatIspell(Widget w, XtPointer client_data, XtPointer call_data)
{
struct _ispell_format *fmt = (struct _ispell_format*)client_data;
Arg args[1];
if (strcmp(fmt->name, ispell.formatting) == 0)
return;
if (!ispell.lock) {
Feep();
return;
}
XtSetArg(args[0], XtNleftBitmap, None);
XtSetValues(ispell.format_info->sme, args, 1);
XtSetArg(args[0], XtNleftBitmap, flist.pixmap);
XtSetValues(fmt->sme, args, 1);
ispell.formatting = fmt->name;
ispell.format_info = fmt;
XtSetArg(args[0], XtNlabel, fmt->name);
XtSetValues(ispell.format, args, 1);
}
static Bool
InitIspell(void)
{
Atom delete_window;
char *str, *list;
XtResource dict_res;
int i;
static XtResource text_res[] = {
{"skipLines", "Skip", XtRString, sizeof(char*),
XtOffsetOf(struct _ispell, skip), XtRString, "#"},
};
if (ispell.shell)
return (False);
ispell.shell = XtCreatePopupShell("ispell", transientShellWidgetClass,
topwindow, NULL, 0);
XtGetApplicationResources(ispell.shell, (XtPointer)&ispell, resources,
XtNumber(resources), NULL, 0);
ispell.form = XtCreateManagedWidget("form", formWidgetClass,
ispell.shell, NULL, 0);
ispell.mispelled = XtCreateManagedWidget("mispelled", labelWidgetClass,
ispell.form, NULL, 0);
ispell.repeated = XtCreateWidget("repeated", labelWidgetClass,
ispell.form, NULL, 0);
ispell.word = XtCreateManagedWidget("word", commandWidgetClass,
ispell.form, NULL, 0);
XtAddCallback(ispell.word, XtNcallback, RevertIspell, NULL);
ispell.replacement = XtCreateManagedWidget("replacement", labelWidgetClass,
ispell.form, NULL, 0);
ispell.text = XtVaCreateManagedWidget("text", asciiTextWidgetClass,
ispell.form,
XtNeditType, XawtextEdit,
NULL);
ispell.suggestions = XtCreateManagedWidget("suggestions", labelWidgetClass,
ispell.form, NULL, 0);
ispell.viewport = XtCreateManagedWidget("viewport", viewportWidgetClass,
ispell.form, NULL, 0);
ispell.list = XtCreateManagedWidget("list", listWidgetClass,
ispell.viewport, NULL, 0);
XtAddCallback(ispell.list, XtNcallback, SelectIspell, NULL);
ispell.commands = XtCreateManagedWidget("commands", formWidgetClass,
ispell.form, NULL, 0);
ispell.check = XtCreateManagedWidget("check", commandWidgetClass,
ispell.commands, NULL, 0);
XtAddCallback(ispell.check, XtNcallback, CheckIspell, NULL);
ispell.look = XtCreateManagedWidget("look", commandWidgetClass,
ispell.commands, NULL, 0);
XtAddCallback(ispell.look, XtNcallback, LookIspell, NULL);
ispell.undo = XtCreateManagedWidget("undo", commandWidgetClass,
ispell.commands, NULL, 0);
XtAddCallback(ispell.undo, XtNcallback, UndoIspell, NULL);
ispell.replace = XtCreateManagedWidget("replace", commandWidgetClass,
ispell.commands, NULL, 0);
XtAddCallback(ispell.replace, XtNcallback, ReplaceIspell, (XtPointer)False);
ispell.replaceAll = XtCreateManagedWidget("replaceAll", commandWidgetClass,
ispell.commands, NULL, 0);
XtAddCallback(ispell.replaceAll, XtNcallback, ReplaceIspell, (XtPointer)True);
ispell.ignore = XtCreateManagedWidget("ignore", commandWidgetClass,
ispell.commands, NULL, 0);
XtAddCallback(ispell.ignore, XtNcallback, IgnoreIspell, (XtPointer)False);
ispell.ignoreAll = XtCreateManagedWidget("ignoreAll", commandWidgetClass,
ispell.commands, NULL, 0);
XtAddCallback(ispell.ignoreAll, XtNcallback, IgnoreIspell, (XtPointer)True);
ispell.add = XtCreateManagedWidget("add", commandWidgetClass,
ispell.commands, NULL, 0);
XtAddCallback(ispell.add, XtNcallback, AddIspell, (XtPointer)ASIS);
ispell.addUncap = XtCreateManagedWidget("addUncap", commandWidgetClass,
ispell.commands, NULL, 0);
XtAddCallback(ispell.addUncap, XtNcallback, AddIspell, (XtPointer)UNCAP);
ispell.suspend = XtCreateManagedWidget("suspend", commandWidgetClass,
ispell.commands, NULL, 0);
XtAddCallback(ispell.suspend, XtNcallback, PopdownIspell, (XtPointer)False);
ispell.cancel = XtCreateManagedWidget("cancel", commandWidgetClass,
ispell.commands, NULL, 0);
XtAddCallback(ispell.cancel, XtNcallback, PopdownIspell, (XtPointer)True);
ispell.terse = XtVaCreateManagedWidget("terse", toggleWidgetClass,
ispell.commands,
XtNstate, ispell.terse_mode,
NULL);
XtAddCallback(ispell.terse, XtNcallback, ToggleTerseIspell, NULL);
ispell.status = XtCreateManagedWidget("status", labelWidgetClass,
ispell.form, NULL, 0);
ispell.options = XtCreateManagedWidget("options", formWidgetClass,
ispell.form, NULL, 0);
ispell.dict = XtVaCreateManagedWidget("dict", menuButtonWidgetClass,
ispell.options,
XtNmenuName, "dictionaries",
NULL);
ispell.dictMenu = XtCreatePopupShell("dictionaries", simpleMenuWidgetClass,
ispell.options, NULL, 0);
XtRealizeWidget(ispell.dictMenu);
ispell.format = XtVaCreateManagedWidget("format", menuButtonWidgetClass,
ispell.options,
XtNmenuName, "formats",
NULL);
ispell.formatMenu = XtCreatePopupShell("formats", simpleMenuWidgetClass,
ispell.options, NULL, 0);
XtRealizeWidget(ispell.formatMenu);
XtRealizeWidget(ispell.shell);
for (i = 0; i < sizeof(ispell_format) / sizeof(ispell_format[0]); i++) {
struct _ispell_format *fmt = &ispell_format[i];
fmt->sme = XtCreateManagedWidget(fmt->name, smeBSBObjectClass,
ispell.formatMenu, NULL, 0);
XtAddCallback(fmt->sme, XtNcallback, ChangeFormatIspell, (XtPointer)fmt);
if (strcmp(fmt->name, ispell.formatting) == 0) {
Arg args[1];
XtSetArg(args[0], XtNlabel, ispell.formatting);
XtSetValues(ispell.format, args, 1);
XtSetArg(args[0], XtNleftBitmap, flist.pixmap);
XtSetValues(fmt->sme, args, 1);
ispell.format_info = fmt;
}
}
if (ispell.format_info == NULL) {
Arg args[1];
char msg[256];
ispell.format_info = &ispell_format[TEXT];
XmuSnprintf(msg, sizeof(msg),
"Unrecognized formatting type \"%s\", will use \"%s\"",
ispell.formatting, ispell.format_info->name);
XtAppWarning(XtWidgetToApplicationContext(ispell.shell), msg);
ispell.formatting = ispell.format_info->name;
XtSetArg(args[0], XtNlabel, ispell.format_info->name);
XtSetValues(ispell.format, args, 1);
XtSetArg(args[0], XtNleftBitmap, flist.pixmap);
XtSetValues(ispell.format_info->sme, args, 1);
}
XtGetApplicationResources(ispell_format[TEXT].sme, (XtPointer)&ispell,
text_res, XtNumber(text_res), NULL, 0);
dict_res.resource_name = "wordChars";
dict_res.resource_class = "Chars";
dict_res.resource_type = XtRString;
dict_res.resource_size = sizeof(char*);
dict_res.resource_offset = XtOffsetOf(ispell_dict, wchars);
dict_res.default_type = XtRString;
dict_res.default_addr = "";
list = XtNewString(ispell.dict_list);
for (str = strtok(list, " \t,"); str; str = strtok(NULL, " \t,")) {
ispell_dict *dic = XtNew(ispell_dict);
dic->sme = XtCreateManagedWidget(str, smeBSBObjectClass,
ispell.dictMenu, NULL, 0);
XtGetApplicationResources(dic->sme, (XtPointer)dic, &dict_res,
1, NULL, 0);
XtAddCallback(dic->sme, XtNcallback, ChangeDictionaryIspell,
(XtPointer)dic);
dic->next = NULL;
if (!ispell.dict_info)
ispell.dict_info = dic;
else {
ispell_dict *tmp = ispell.dict_info;
for (; tmp->next; tmp = tmp->next)
;
tmp->next = dic;
}
if (strcmp(str, ispell.dictionary) == 0) {
Arg args[1];
XtSetArg(args[0], XtNleftBitmap, flist.pixmap);
XtSetValues(dic->sme, args, 1);
XtSetArg(args[0], XtNlabel, str);
XtSetValues(ispell.dict, args, 1);
ispell.wchars = dic->wchars;
}
}
XtFree(list);
delete_window = XInternAtom(XtDisplay(ispell.shell), "WM_DELETE_WINDOW", False);
XSetWMProtocols(XtDisplay(ispell.shell), XtWindow(ispell.shell), &delete_window, 1);
return (True);
}
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