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Add support for a scrollbar at the side of each pane. New options

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pane-scrollbars turn them on or off, pane-scrollbars-position sets the
position (left or right), and pane-scrollbars-style to set the colours.
Mouse support will come later. From Michael Grant in GitHub issue 4221.
This commit is contained in:
nicm
2024-11-05 09:41:17 +00:00
parent a0c79aa87b
commit 09f4e43189
10 changed files with 481 additions and 108 deletions
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13
screen-write.c
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@ -151,7 +151,7 @@ screen_write_set_client_cb(struct tty_ctx *ttyctx, struct client *c)
*/
log_debug("%s: adding %%%u to deferred redraw", __func__,
wp->id);
wp->flags |= PANE_REDRAW;
wp->flags |= (PANE_REDRAW|PANE_REDRAWSCROLLBAR);
return (-1);
}
@ -1178,13 +1178,14 @@ screen_write_deleteline(struct screen_write_ctx *ctx, u_int ny, u_int bg)
struct screen *s = ctx->s;
struct grid *gd = s->grid;
struct tty_ctx ttyctx;
u_int sy = screen_size_y(s);
if (ny == 0)
ny = 1;
if (s->cy < s->rupper || s->cy > s->rlower) {
if (ny > screen_size_y(s) - s->cy)
ny = screen_size_y(s) - s->cy;
if (ny > sy - s->cy)
ny = sy - s->cy;
if (ny == 0)
return;
@ -1376,13 +1377,14 @@ screen_write_linefeed(struct screen_write_ctx *ctx, int wrapped, u_int bg)
struct screen *s = ctx->s;
struct grid *gd = s->grid;
struct grid_line *gl;
u_int rupper = s->rupper, rlower = s->rlower;
gl = grid_get_line(gd, gd->hsize + s->cy);
if (wrapped)
gl->flags |= GRID_LINE_WRAPPED;
log_debug("%s: at %u,%u (region %u-%u)", __func__, s->cx, s->cy,
s->rupper, s->rlower);
rupper, rlower);
if (bg != ctx->bg) {
screen_write_collect_flush(ctx, 1, __func__);
@ -1700,6 +1702,9 @@ screen_write_collect_flush(struct screen_write_ctx *ctx, int scroll_only,
ttyctx.num = ctx->scrolled;
ttyctx.bg = ctx->bg;
tty_write(tty_cmd_scrollup, &ttyctx);
if (ctx->wp != NULL)
ctx->wp->flags |= PANE_REDRAWSCROLLBAR;
}
ctx->scrolled = 0;
ctx->bg = 8;