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Make how borders are replaced easier to understand.

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This commit is contained in:
Nicholas Marriott
2026-06-19 09:59:30 +01:00
parent 17e583d377
commit 360ba86950
1 changed files with 15 additions and 5 deletions
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20
screen-redraw.c
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@@ -520,13 +520,23 @@ redraw_mark_border_cell(struct redraw_build_ctx *bctx, int wx, int wy,
return;
bc = redraw_get_build_cell(bctx, x, y);
if (bc->data.type == REDRAW_SPAN_BORDER) {
if (floating && !redraw_data_has_pane(&bc->data, wp))
/*
* If this is a tiled pane, only empty and border cells may be marked.
* Border cells are merged and empty cells are updated.
*
* Floating panes may mark any existing cell type. All cells are reset
* except borders that already belong to this pane, they need to be
* merged.
*/
if (!floating) {
if (bc->data.type == REDRAW_SPAN_EMPTY)
reset = 1;
} else {
if (!floating && bc->data.type != REDRAW_SPAN_EMPTY)
else if (bc->data.type != REDRAW_SPAN_BORDER)
return;
reset = 1;
} else {
if (bc->data.type != REDRAW_SPAN_BORDER ||
!redraw_data_has_pane(&bc->data, wp))
reset = 1;
}
if (reset) {
memset(bc, 0, sizeof *bc);