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Rather than allowing floating panes to remain outside the window and

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invisible after resize, move them and resize them so they are fully
inside the window. GitHub issue 5582 from Noam Stolero.
This commit is contained in:
nicm
2026-09-11 08:16:14 +00:00
committed by tmux update bot
parent d202aa7ac1
commit f8fc53b6f8
1 changed files with 49 additions and 2 deletions
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51
layout.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: layout.c,v 1.99 2026/09/09 07:03:39 nicm Exp $ */
/* $OpenBSD: layout.c,v 1.100 2026/09/11 08:16:14 nicm Exp $ */
/*
* Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -768,6 +768,49 @@ layout_free(struct window *w, int only_nodes)
layout_free_cell(w->layout_root, only_nodes);
}
/* Move and resize floating panes so they stay inside the window. */
static void
layout_clamp_floating_panes(struct window *w, u_int sx, u_int sy)
{
struct window_pane *wp;
struct layout_cell *lc;
u_int pad, avail, csx, csy;
TAILQ_FOREACH(wp, &w->z_index, zentry) {
lc = wp->layout_cell;
if (lc == NULL || (~lc->flags & LAYOUT_CELL_FLOATING))
continue;
if (window_pane_get_pane_lines(wp) == PANE_LINES_NONE)
pad = 0;
else
pad = 1;
csx = lc->g.sx;
avail = (sx > 2 * pad) ? sx - 2 * pad : 0;
if (csx > avail)
csx = (avail > PANE_MINIMUM) ? avail : PANE_MINIMUM;
csy = lc->g.sy;
avail = (sy > 2 * pad) ? sy - 2 * pad : 0;
if (csy > avail)
csy = (avail > PANE_MINIMUM) ? avail : PANE_MINIMUM;
if (csx != lc->g.sx || csy != lc->g.sy)
layout_set_size(lc, csx, csy, lc->g.xoff, lc->g.yoff);
if (lc->g.xoff + lc->g.sx + pad > sx) {
if (lc->g.sx + 2 * pad >= sx)
lc->g.xoff = pad;
else
lc->g.xoff = sx - lc->g.sx - pad;
}
if (lc->g.yoff + lc->g.sy + pad > sy) {
if (lc->g.sy + 2 * pad >= sy)
lc->g.yoff = pad;
else
lc->g.yoff = sy - lc->g.sy - pad;
}
}
}
/* Resize the entire layout after window resize. */
void
layout_resize(struct window *w, u_int sx, u_int sy)
@@ -788,8 +831,11 @@ layout_resize(struct window *w, u_int sx, u_int sy)
* out proportionately - this should leave the layout fitting the new
* window size.
*/
if (lc->type == LAYOUT_WINDOWPANE && (lc->flags & LAYOUT_CELL_FLOATING))
if (lc->type == LAYOUT_WINDOWPANE && (lc->flags & LAYOUT_CELL_FLOATING)) {
layout_clamp_floating_panes(w, sx, sy);
layout_fix_panes(w, NULL);
return;
}
xchange = sx - lc->g.sx;
xlimit = layout_resize_check(w, lc, LAYOUT_LEFTRIGHT);
if (xchange < 0 && xchange < -xlimit)
@@ -819,6 +865,7 @@ layout_resize(struct window *w, u_int sx, u_int sy)
/* Fix cell offsets. */
layout_fix_offsets(w);
layout_clamp_floating_panes(w, sx, sy);
layout_fix_panes(w, NULL);
}