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vere: refactors _term_it_show_cursor()

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This commit is contained in:
Joe Bryan 2020-09-10 22:44:35 -07:00
parent f3299796e6
commit 1e5e4e5001
1 changed files with 9 additions and 5 deletions
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14
pkg/urbit/vere/io/term.c
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@ -439,24 +439,28 @@ _term_it_show_blank(u3_utty* uty_u)
static void
_term_it_show_cursor(u3_utty* uty_u, c3_w cur_w)
{
c3_w cus_w = uty_u->tat_u.mir.cus_w;
c3_w dif_w;
//NOTE assumes all styled text precedes the cursor. drum enforces this.
//
cur_w = cur_w + uty_u->tat_u.mir.sap_w;
cur_w += uty_u->tat_u.mir.sap_w;
if ( cur_w < uty_u->tat_u.mir.cus_w ) {
c3_w dif_w = (uty_u->tat_u.mir.cus_w - cur_w);
if ( cur_w < cus_w ) {
dif_w = cus_w - cur_w;
while ( dif_w-- ) {
_term_it_dump_buf(uty_u, &uty_u->ufo_u.out.cub1_u);
}
}
else if ( cur_w > uty_u->tat_u.mir.cus_w ) {
c3_w dif_w = (cur_w - uty_u->tat_u.mir.cus_w);
else if ( cur_w > cus_w ) {
dif_w = cur_w - cus_w;
while ( dif_w-- ) {
_term_it_dump_buf(uty_u, &uty_u->ufo_u.out.cuf1_u);
}
}
uty_u->tat_u.mir.cus_w = cur_w;
}