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Try to reduce the UTF-8 mess.

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Get rid of passing around u_char[4]s and define a struct utf8_data which has
character data, size (sequence length) and width. Move UTF-8 character
collection into two functions utf8_open/utf8_append in utf8.c which fill in
this struct and use these functions from input.c and the various functions in
screen-write.c.

Space for rather more data than is necessary for one UTF-8 sequence is in the
utf8_data struct because screen_write_copy is still nasty and needs to reinject
the character (after combining) into screen_write_cell.
This commit is contained in:
Nicholas Marriott
2009-10-20 19:18:28 +00:00
parent 62f234ce3b
commit 1af09d6330
5 changed files with 195 additions and 180 deletions
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5
tty.c
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@ -342,7 +342,7 @@ tty_putc(struct tty *tty, u_char ch)
void
tty_pututf8(struct tty *tty, const struct grid_utf8 *gu)
{
u_int i, width;
u_int i;
for (i = 0; i < UTF8_SIZE; i++) {
if (gu->data[i] == 0xff)
@ -352,8 +352,7 @@ tty_pututf8(struct tty *tty, const struct grid_utf8 *gu)
write(tty->log_fd, &gu->data[i], 1);
}
width = utf8_width(gu->data);
tty->cx += width;
tty->cx += gu->width;
}
void