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Ticket #1628 (editor CJK fix) 

fix: incorrect drawing CJK character. Sometimes the CJK character gets replaced by three inverse dots.

Signed-off-by: Ilia Maslakov <il.smind@gmail.com>
This commit is contained in:
Ilia Maslakov 2009-10-19 16:04:56 +00:00 committed by Ilia Maslakov
parent dd89ca021f
commit 7ce5e1eacb
1 changed files with 18 additions and 13 deletions
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31
edit/edit.c
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@ -1437,7 +1437,6 @@ void edit_cursor_move (WEdit * edit, long increment)
{
/* this is the same as a combination of two of the above routines, with only one push onto the undo stack */
int c;
#ifdef FAST_MOVE_CURSOR
if (increment < -256) {
edit->force |= REDRAW_PAGE;
@ -1576,8 +1575,8 @@ long edit_move_forward3 (WEdit * edit, long current, int cols, long upto)
{
long p, q;
int col = 0;
int cw = 1;
#ifdef HAVE_CHARSET
int cw = 1;
int utf_ch = 0;
#endif
if (upto) {
@ -1585,7 +1584,8 @@ long edit_move_forward3 (WEdit * edit, long current, int cols, long upto)
cols = -10;
} else
q = edit->last_byte + 2;
for (col = 0, p = current; p < q; p++) {
p = current;
while (p < q) {
int c;
#ifdef HAVE_CHARSET
cw = 1;
@ -1604,12 +1604,7 @@ long edit_move_forward3 (WEdit * edit, long current, int cols, long upto)
#ifdef HAVE_CHARSET
} else {
cw = 1;
c = edit_get_byte (edit, p);
utf_ch = edit_get_utf (edit, p, &cw);
}
if ( utf8_display ) {
if ( edit->utf8 && g_unichar_iswide(utf_ch) )
col++;
c = utf_ch = edit_get_utf (edit, p, &cw);
}
#endif
if (c == '\t')
@ -1624,9 +1619,21 @@ long edit_move_forward3 (WEdit * edit, long current, int cols, long upto)
else
col++;
#ifdef HAVE_CHARSET
if ( cw > 1 )
col -= cw-1;
if ( cw > 1 ) {
if (edit->utf8 && g_unichar_iswide(utf_ch)) {
col -= cw - 1;
if (utf8_display)
col += 1;
} else {
col -= cw;
}
p += cw - 1;
}
else
#endif
{
p++;
}
}
return col;
}
@ -1724,7 +1731,6 @@ edit_move_to_prev_col (WEdit * edit, long p)
{
int prev = edit->prev_col;
int over = edit->over_col;
edit_cursor_move (edit, edit_move_forward3 (edit, p, prev + edit->over_col, 0) - edit->curs1);
if (option_cursor_beyond_eol) {
@ -1875,7 +1881,6 @@ static void edit_move_up_paragraph (WEdit * edit, int scroll)
void edit_move_down (WEdit * edit, int i, int scroll)
{
long p, l = edit->total_lines - edit->curs_line;
if (i > l)
i = l;
if (i) {