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Clear screen: Fix edge case

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With sequence \e[1J, if cursor is on second line, clear the first line.

ref.
https://git.suckless.org/st/commit/6009e6e25bdff9548f085e9ae562b1ca305d3a0b.html
This commit is contained in:
Bakkeby 2024-12-06 23:06:38 +01:00
parent 4dec55eead
commit b77fb11b76
2 changed files with 3 additions and 3 deletions
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4
st.c
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@ -2197,11 +2197,11 @@ csihandle(void)
break;
case 1: /* above */
#if REFLOW_PATCH
if (term.c.y >= 1)
if (term.c.y > 0)
tclearregion(0, 0, term.col-1, term.c.y-1, 1);
tclearregion(0, term.c.y, term.c.x, term.c.y, 1);
#else
if (term.c.y > 1)
if (term.c.y > 0)
tclearregion(0, 0, maxcol-1, term.c.y-1);
tclearregion(0, term.c.y, term.c.x, term.c.y);
#endif // REFLOW_PATCH