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Add overlay check to scrollbar code to prevent scrollbars obscured by an overlay from flashing while being dragged around.

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This commit is contained in:
Michael Grant 2025-03-12 15:44:04 -04:00
parent c0ff4831fc
commit 0a0e9852a2
1 changed files with 6 additions and 0 deletions

6
screen-redraw.c
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@ -1005,6 +1005,7 @@ screen_redraw_draw_scrollbar(struct screen_redraw_ctx *ctx,
struct tty *tty = &c->tty;
struct grid_cell gc, slgc, *gcp;
struct style *sb_style = &wp->scrollbar_style;
struct overlay_ranges r;
u_int i, j, imax, jmax;
u_int sb_w = sb_style->width, sb_pad = sb_style->pad;
int px, py, ox = ctx->ox, oy = ctx->oy;
@ -1033,6 +1034,11 @@ screen_redraw_draw_scrollbar(struct screen_redraw_ctx *ctx,
py < yoff - oy - 1 ||
py >= sy || py < 0)
continue;
if (c->overlay_check != NULL) {
c->overlay_check(c, c->overlay_data, px, py, 1, &r);
if (r.nx[0] + r.nx[1] == 0)
continue;
}
tty_cursor(tty, px, py);
if ((sb_pos == PANE_SCROLLBARS_LEFT &&
i >= sb_w && i < sb_w + sb_pad) ||