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Fix tty_clamp_area with status lines at the top and a smaller client,

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GitHub issue 5697 from Yasuhiro Inami.
This commit is contained in:
nicm
2026-10-07 07:34:59 +00:00
committed by tmux update bot
parent 61581458a4
commit 37b1631e57
1 changed files with 10 additions and 6 deletions
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16
tty.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: tty.c,v 1.484 2026/10/05 08:45:27 nicm Exp $ */
/* $OpenBSD: tty.c,v 1.485 2026/10/07 07:34:59 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1276,6 +1276,10 @@ tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
if (*rx > nx)
fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
/*
* yoff is in window coordinates; ctx->yoff - ctx->ryoff is the number
* of status lines above the window on the terminal.
*/
if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
/* All visible. */
*j = 0;
@@ -1283,19 +1287,19 @@ tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
*ry = ny;
} else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
/* Both top and bottom not visible. */
*j = ctx->woy;
*y = 0;
*j = ctx->woy - yoff;
*y = ctx->yoff - ctx->ryoff;
*ry = ctx->wsy;
} else if (yoff < ctx->woy) {
/* Top not visible. */
*j = ctx->woy - (ctx->yoff + py);
*y = 0;
*j = ctx->woy - yoff;
*y = ctx->yoff - ctx->ryoff;
*ry = ny - *j;
} else {
/* Bottom not visible. */
*j = 0;
*y = (ctx->yoff + py) - ctx->woy;
*ry = ctx->wsy - *y;
*ry = ctx->woy + ctx->wsy - yoff;
}
if (*ry > ny)
fatalx("%s: y too big, %u > %u", __func__, *ry, ny);