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add char charbuf[], int charpoint for multibyte input

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add edit_get_byte_ptr for get pointer to edit current position in buffer
add edit_get_buf_ptr pointer in start of edit buffer
fix edit_translate_key for multibyte input

add
This commit is contained in:
Ilia Maslakov 2009-04-13 15:19:06 +00:00
parent 13f13c1fb0
commit 95edc18aa8
3 changed files with 109 additions and 11 deletions
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3
edit/edit-widget.h
View File

@ -45,6 +45,9 @@ struct WEdit {
unsigned char *buffers1[MAXBUFF + 1]; /* all data up to curs1 */
unsigned char *buffers2[MAXBUFF + 1]; /* all data from end of file down to curs2 */
/* UTF8 */
unsigned char charbuf[MB_LEN_MAX];
int charpoint;
/* search variables */
long search_start; /* First character to start searching from */
int found_len; /* Length of found string or 0 if none was found */

77
edit/edit.c
View File

@ -120,9 +120,38 @@ int edit_get_byte (WEdit * edit, long byte_index)
}
}
int edit_get_utf (WEdit * edit, long byte_index, int *char_width)
char *edit_get_byte_ptr (WEdit * edit, long byte_index)
{
unsigned long p;
if (byte_index >= (edit->curs1 + edit->curs2) || byte_index < 0)
return NULL;
if (byte_index >= edit->curs1) {
p = edit->curs1 + edit->curs2 - byte_index - 1;
return (char *) (edit->buffers2[p >> S_EDIT_BUF_SIZE]+(EDIT_BUF_SIZE - (p & M_EDIT_BUF_SIZE) - 1));
} else {
return (char *) (edit->buffers1[byte_index >> S_EDIT_BUF_SIZE]+(byte_index & M_EDIT_BUF_SIZE));
}
}
char *edit_get_buf_ptr (WEdit * edit, long byte_index)
{
unsigned long p;
if (byte_index >= (edit->curs1 + edit->curs2) || byte_index < 0)
return NULL;
if (byte_index >= edit->curs1) {
p = edit->curs1 + edit->curs2 - byte_index - 1;
return (char *) (edit->buffers2[p >> S_EDIT_BUF_SIZE]);
} else {
return (char *) (edit->buffers1[byte_index >> S_EDIT_BUF_SIZE]);
}
}
int edit_get_utf (WEdit * edit, long byte_index, int *char_width)
{
gchar *str = NULL;
int res = -1;
gunichar ch;
@ -134,12 +163,50 @@ int edit_get_utf (WEdit * edit, long byte_index, int *char_width)
return '\n';
}
if (byte_index >= edit->curs1) {
p = edit->curs1 + edit->curs2 - byte_index - 1;
str = (edit->buffers2[p >> S_EDIT_BUF_SIZE]+(EDIT_BUF_SIZE - (p & M_EDIT_BUF_SIZE) - 1));
str = edit_get_byte_ptr (edit, byte_index);
res = g_utf8_get_char_validated (str, -1);
if ( res < 0 ) {
ch = *str;
width = 1;
} else {
str = (edit->buffers1[byte_index >> S_EDIT_BUF_SIZE]+(byte_index & M_EDIT_BUF_SIZE));
ch = res;
/* Calculate UTF-8 char width */
next_ch = g_utf8_next_char(str);
if ( next_ch ) {
if ( next_ch != str ) {
width = next_ch - str;
} else {
width = 0;
}
} else {
ch = 0;
width = 0;
}
}
*char_width = width;
return ch;
}
int edit_get_prev_utf (WEdit * edit, long byte_index, int *char_width)
{
gchar *str, *buf = NULL;
int res = -1;
gunichar ch;
gchar *next_ch = NULL;
int width = 0;
if (byte_index >= (edit->curs1 + edit->curs2) || byte_index < 0) {
*char_width = 1;
return '\n';
}
str = edit_get_byte_ptr (edit, byte_index);
buf = edit_get_buf_ptr (edit, byte_index);
/* get prev utf8 char */
str = g_utf8_find_prev_char (buf, str);
res = g_utf8_get_char_validated (str, -1);

32
edit/editkeys.c
View File

@ -192,7 +192,6 @@ edit_translate_key (WEdit *edit, long x_key, int *cmd, int *ch)
int i = 0;
int extmod = 0;
const edit_key_map_type *key_map = NULL;
switch (edit_key_emulation) {
case EDIT_KEY_EMULATION_NORMAL:
key_map = cooledit_key_map;
@ -244,12 +243,41 @@ edit_translate_key (WEdit *edit, long x_key, int *cmd, int *ch)
/* an ordinary insertable character */
if (x_key < 256 && !extmod) {
if (!edit->utf8) {
int c = convert_from_input_c (x_key);
if (is_printable (c)) {
char_for_insertion = c;
goto fin;
}
} else {
if (edit->charpoint >= MB_LEN_MAX) {
goto fin;
edit->charpoint = 0;
}
edit->charbuf[edit->charpoint] = x_key;
edit->charpoint++;
int res = str_is_valid_char (edit->charbuf, edit->charpoint);
mc_log("res:%i, edit->charpoint : %i\n",res, edit->charpoint);
if (res < 0) {
if (res != -2) {
edit->charpoint = 0; /* broken multibyte char, skip */
goto fin;
}
char_for_insertion = x_key;
goto fin;
} else {
edit->charbuf[edit->charpoint]='\0';
edit->charpoint = 0;
if ( g_unichar_isprint (g_utf8_get_char(edit->charbuf))) {
char_for_insertion = x_key;
goto fin;
}
}
//char_for_insertion = x_key;
//goto fin;
}
}
/* Commands specific to the key emulation */