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term: print: force line-wrap if a multi-column character does not fit on current line

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Daniel Eklöf 2020-07-14 10:58:57 +02:00
parent bc2fc778ae
commit 9dc1d18241
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2 changed files with 9 additions and 0 deletions
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3
CHANGELOG.md
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@ -102,6 +102,9 @@
the cursor was **not** at the bottom of the scrolling region. the cursor was **not** at the bottom of the scrolling region.
* `IND` and `RI` now clears `LCF`. * `IND` and `RI` now clears `LCF`.
* `DECAWM` not clears `LCF`. * `DECAWM` not clears `LCF`.
* A multi-column character that does not fit on the current line is
now printed on the next line, instead of only printing half the
character.
### Security ### Security

6
terminal.c
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@ -2388,6 +2388,12 @@ term_print(struct terminal *term, wchar_t wc, int width)
if (unlikely(width <= 0)) if (unlikely(width <= 0))
return; return;
if (term->grid->cursor.point.col + width > term->cols) {
/* Multi-column character that doesn't fit on current line -
* force a line wrap */
term->grid->cursor.lcf = 1;
}
print_linewrap(term); print_linewrap(term);
print_insert(term, width); print_insert(term, width);