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fix move backward and backspace.

This commit is contained in:
Ilia Maslakov 2009-04-15 13:56:19 +00:00
parent cada92062a
commit 960b1ef89d
1 changed files with 26 additions and 11 deletions
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37
edit/edit.c
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@ -139,14 +139,19 @@ 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 + edit->curs2) ) {
byte_index -= 1;
};
if ( 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]);
p = edit->curs1 + edit->curs2 - 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]);
return (char *) (edit->buffers1[byte_index >> S_EDIT_BUF_SIZE] + (0 & M_EDIT_BUF_SIZE));
}
}
@ -169,7 +174,7 @@ int edit_get_utf (WEdit * edit, long byte_index, int *char_width)
if ( res < 0 ) {
ch = *str;
width = 1;
width = 0;
} else {
ch = res;
/* Calculate UTF-8 char width */
@ -196,23 +201,33 @@ int edit_get_prev_utf (WEdit * edit, long byte_index, int *char_width)
gunichar ch;
gchar *next_ch = NULL;
int width = 0;
gchar *prn_buf=NULL;
if (byte_index >= (edit->curs1 + edit->curs2) || byte_index < 0) {
if ( byte_index > 0 ) {
byte_index--;
}
ch = edit_get_utf (edit, byte_index, &width);
if ( width == 1 ) {
*char_width = width;
return ch;
}
if ( byte_index >= (edit->curs1 + edit->curs2) || byte_index < 0 ) {
*char_width = 1;
return '\n';
return 0;
}
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);
if ( res < 0 ) {
ch = *str;
width = 1;
width = 0;
} else {
ch = res;
/* Calculate UTF-8 char width */