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Start at the current pane in the zindex list for working out if a pane is

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obscured.
This commit is contained in:
Nicholas Marriott
2026-05-22 08:58:48 +01:00
parent 4a0118aea1
commit e5abcd217c
1 changed files with 30 additions and 44 deletions
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74
screen-write.c
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@@ -36,7 +36,7 @@ static int screen_write_overwrite(struct screen_write_ctx *,
struct grid_cell *, u_int);
static int screen_write_combine(struct screen_write_ctx *,
const struct grid_cell *);
static int screen_write_pane_obscured(struct window_pane *);
static int screen_write_pane_is_obscured(struct window_pane *);
struct screen_write_citem {
u_int x;
@@ -604,7 +604,7 @@ screen_write_fast_copy(struct screen_write_ctx *ctx, struct screen *src,
break;
grid_view_set_cell(ctx->s->grid, s->cx, s->cy, &gc);
if (wp != NULL) {
if (! screen_redraw_is_visible(r, px))
if (!screen_redraw_is_visible(r, px))
break;
ttyctx.cell = &gc;
tty_write(tty_cmd_cell, &ttyctx);
@@ -1131,7 +1131,7 @@ screen_write_insertcharacter(struct screen_write_ctx *ctx, u_int nx, u_int bg)
screen_write_initctx(ctx, &ttyctx, 0);
ttyctx.bg = bg;
ttyctx.obscured = screen_write_pane_obscured(ctx->wp);
ttyctx.obscured = screen_write_pane_is_obscured(ctx->wp);
grid_view_insert_cells(s->grid, s->cx, s->cy, nx, bg);
@@ -1165,7 +1165,7 @@ screen_write_deletecharacter(struct screen_write_ctx *ctx, u_int nx, u_int bg)
screen_write_initctx(ctx, &ttyctx, 0);
ttyctx.bg = bg;
ttyctx.obscured = screen_write_pane_obscured(ctx->wp);
ttyctx.obscured = screen_write_pane_is_obscured(ctx->wp);
grid_view_delete_cells(s->grid, s->cx, s->cy, nx, bg);
@@ -1235,7 +1235,7 @@ screen_write_insertline(struct screen_write_ctx *ctx, u_int ny, u_int bg)
screen_write_initctx(ctx, &ttyctx, 1);
ttyctx.bg = bg;
ttyctx.obscured = screen_write_pane_obscured(ctx->wp);
ttyctx.obscured = screen_write_pane_is_obscured(ctx->wp);
grid_view_insert_lines(gd, s->cy, ny, bg);
@@ -1252,7 +1252,7 @@ screen_write_insertline(struct screen_write_ctx *ctx, u_int ny, u_int bg)
screen_write_initctx(ctx, &ttyctx, 1);
ttyctx.bg = bg;
ttyctx.obscured = screen_write_pane_obscured(ctx->wp);
ttyctx.obscured = screen_write_pane_is_obscured(ctx->wp);
log_debug("%s: obscured=%d for pane %%%u", __func__,
ttyctx.obscured, ctx->wp != NULL ? ctx->wp->id : 0);
@@ -1292,7 +1292,7 @@ screen_write_deleteline(struct screen_write_ctx *ctx, u_int ny, u_int bg)
screen_write_initctx(ctx, &ttyctx, 1);
ttyctx.bg = bg;
ttyctx.obscured = screen_write_pane_obscured(ctx->wp);
ttyctx.obscured = screen_write_pane_is_obscured(ctx->wp);
grid_view_delete_lines(gd, s->cy, ny, bg);
@@ -1309,7 +1309,7 @@ screen_write_deleteline(struct screen_write_ctx *ctx, u_int ny, u_int bg)
screen_write_initctx(ctx, &ttyctx, 1);
ttyctx.bg = bg;
ttyctx.obscured = screen_write_pane_obscured(ctx->wp);
ttyctx.obscured = screen_write_pane_is_obscured(ctx->wp);
log_debug("%s: obscured=%d for pane %%%u", __func__,
ttyctx.obscured, ctx->wp != NULL ? ctx->wp->id : 0);
@@ -1583,7 +1583,7 @@ screen_write_scrolldown(struct screen_write_ctx *ctx, u_int lines, u_int bg)
screen_write_initctx(ctx, &ttyctx, 1);
ttyctx.bg = bg;
ttyctx.obscured = screen_write_pane_obscured(ctx->wp);
ttyctx.obscured = screen_write_pane_is_obscured(ctx->wp);
if (lines == 0)
lines = 1;
@@ -1646,7 +1646,7 @@ screen_write_clearendofscreen(struct screen_write_ctx *ctx, u_int bg)
screen_write_collect_clear(ctx, s->cy + 1, sy - (s->cy + 1));
screen_write_collect_flush(ctx, 0, __func__);
if (! screen_write_pane_obscured(ctx->wp)) {
if (!screen_write_pane_is_obscured(ctx->wp)) {
tty_write(tty_cmd_clearendofscreen, &ttyctx);
return;
}
@@ -1722,7 +1722,7 @@ screen_write_clearstartofscreen(struct screen_write_ctx *ctx, u_int bg)
screen_write_collect_clear(ctx, 0, s->cy);
screen_write_collect_flush(ctx, 0, __func__);
if (! screen_write_pane_obscured(ctx->wp)) {
if (!screen_write_pane_is_obscured(ctx->wp)) {
tty_write(tty_cmd_clearstartofscreen, &ttyctx);
return;
}
@@ -1796,7 +1796,7 @@ screen_write_clearscreen(struct screen_write_ctx *ctx, u_int bg)
screen_write_collect_clear(ctx, 0, sy);
if (! screen_write_pane_obscured(ctx->wp)) {
if (!screen_write_pane_is_obscured(ctx->wp)) {
tty_write(tty_cmd_clearscreen, &ttyctx);
return;
}
@@ -1983,39 +1983,25 @@ screen_write_collect_scroll(struct screen_write_ctx *ctx, u_int bg)
/* Return 1 if there is a floating window pane overlapping this pane. */
static int
screen_write_pane_obscured(struct window_pane *base_wp)
screen_write_pane_is_obscured(struct window_pane *base_wp)
{
struct window_pane *wp;
struct window *w;
int found_self = 0;
struct window_pane *wp = base_wp;
if (base_wp == NULL)
return(0);
w = base_wp->window;
TAILQ_FOREACH_REVERSE(wp, &w->z_index, window_panes_zindex, zentry) {
if (wp == base_wp) {
found_self = 1;
continue;
}
if (found_self && wp->flags & PANE_FLOATING &&
! (wp->flags & PANE_HIDDEN) &&
((wp->yoff >= base_wp->yoff &&
wp->yoff <= base_wp->yoff + (int)base_wp->sy) ||
(wp->yoff + (int)wp->sy >= base_wp->yoff &&
wp->yoff + wp->sy <= base_wp->yoff + base_wp->sy)) &&
((wp->xoff >= base_wp->xoff &&
wp->xoff <= base_wp->xoff + (int)base_wp->sx) ||
(wp->xoff + (int)wp->sx >= base_wp->xoff &&
wp->xoff + wp->sx <= base_wp->xoff + base_wp->sx))) {
log_debug("%s: base %%%u obscured by %%%u "
"(xoff=%u sx=%u vs base xoff=%u sx=%u)", __func__,
base_wp->id, wp->id,
wp->xoff, wp->sx, base_wp->xoff, base_wp->sx);
return (1);
}
}
return (0);
if (base_wp == NULL)
return (0);
while ((wp = TAILQ_PREV(wp, window_panes, zentry)) != NULL) {
if ((wp->flags & PANE_FLOATING) &&
((wp->yoff >= base_wp->yoff &&
wp->yoff <= base_wp->yoff + (int)base_wp->sy) ||
(wp->yoff + (int)wp->sy >= base_wp->yoff &&
wp->yoff + wp->sy <= base_wp->yoff + base_wp->sy)) &&
((wp->xoff >= base_wp->xoff &&
wp->xoff <= base_wp->xoff + (int)base_wp->sx) ||
(wp->xoff + (int)wp->sx >= base_wp->xoff &&
wp->xoff + wp->sx <= base_wp->xoff + base_wp->sx)))
return (1);
}
return (0);
}
/* Flush collected lines. */
@@ -2058,7 +2044,7 @@ screen_write_collect_flush(struct screen_write_ctx *ctx, int scroll_only,
ttyctx.orlower -= (wp->yoff + wp->sy - wp->window->sy);
ttyctx.num = ctx->scrolled;
ttyctx.bg = ctx->bg;
ttyctx.obscured = screen_write_pane_obscured(wp);
ttyctx.obscured = screen_write_pane_is_obscured(wp);
log_debug("%s: obscured=%d for pane %%%u", __func__,
ttyctx.obscured, wp != NULL ? wp->id : 0);
tty_write(tty_cmd_scrollup, &ttyctx);