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term_bidi_cache_store() now has a need to distinguish between the

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_width_ of a terminal line (number of character cell positions) and
its _size_ (number of termchars), since of course these differ in
the presence of combining characters.

[originally from svn r4938]
This commit is contained in:
Simon Tatham 2004-12-01 09:25:20 +00:00
parent 44aca28fad
commit a10edf435b
1 changed files with 7 additions and 6 deletions
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13
terminal.c
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@ -4371,7 +4371,7 @@ static int term_bidi_cache_hit(Terminal *term, int line,
static void term_bidi_cache_store(Terminal *term, int line, termchar *lbefore,
termchar *lafter, bidi_char *wcTo,
int width)
int width, int size)
{
int i;
@ -4403,14 +4403,14 @@ static void term_bidi_cache_store(Terminal *term, int line, termchar *lbefore,
sfree(term->post_bidi_cache[line].backward);
term->pre_bidi_cache[line].width = width;
term->pre_bidi_cache[line].chars = snewn(width, termchar);
term->pre_bidi_cache[line].chars = snewn(size, termchar);
term->post_bidi_cache[line].width = width;
term->post_bidi_cache[line].chars = snewn(width, termchar);
term->post_bidi_cache[line].chars = snewn(size, termchar);
term->post_bidi_cache[line].forward = snewn(width, int);
term->post_bidi_cache[line].backward = snewn(width, int);
memcpy(term->pre_bidi_cache[line].chars, lbefore, width * TSIZE);
memcpy(term->post_bidi_cache[line].chars, lafter, width * TSIZE);
memcpy(term->pre_bidi_cache[line].chars, lbefore, size * TSIZE);
memcpy(term->post_bidi_cache[line].chars, lafter, size * TSIZE);
memset(term->post_bidi_cache[line].forward, 0, width * sizeof(int));
memset(term->post_bidi_cache[line].backward, 0, width * sizeof(int));
@ -4512,7 +4512,8 @@ static termchar *term_bidi_line(Terminal *term, struct termline *ldata,
term->ltemp[it].chr = term->wcTo[it].wc;
}
term_bidi_cache_store(term, scr_y, ldata->chars,
term->ltemp, term->wcTo, ldata->size);
term->ltemp, term->wcTo,
term->cols, ldata->size);
lchars = term->ltemp;
} else {