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term: new function: term_autowrap()

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Adds a linebreak (+ scroll if necessary) if we're in a deferred wrap
and auto-margins are enabled.

Return true when we wrapped, false otherwise.
This commit is contained in:
Daniel Eklöf 2019-11-17 12:13:36 +01:00
parent f4be84871f
commit 686405b703
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GPG key ID: 5BBD4992C116573F
2 changed files with 16 additions and 0 deletions
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15
terminal.c
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@ -1192,6 +1192,21 @@ term_reverse_index(struct terminal *term)
term_cursor_up(term, 1);
}
bool
term_autowrap(struct terminal *term)
{
if (unlikely(term->cursor.lcf) && term->auto_margin) {
if (term->cursor.point.row == term->scroll_region.end - 1) {
term_scroll(term, 1);
term_cursor_to(term, term->cursor.point.row, 0);
} else
term_cursor_to(term, term->cursor.point.row + 1, 0);
return true;
} else
return false;
}
void
term_reset_view(struct terminal *term)
{

1
terminal.h
View file

@ -360,6 +360,7 @@ void term_scroll_reverse_partial(
void term_linefeed(struct terminal *term);
void term_reverse_index(struct terminal *term);
bool term_autowrap(struct terminal *term);
void term_restore_cursor(struct terminal *term);