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Fix scrollbars with large window sizes.

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This commit is contained in:
Nicholas Marriott
2024-10-31 13:05:36 +00:00
parent 3c6c7f3422
commit 561441fa54
1 changed files with 24 additions and 17 deletions
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41
screen-redraw.c
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@@ -31,9 +31,8 @@ static void screen_redraw_draw_pane(struct screen_redraw_ctx *,
static void screen_redraw_set_context(struct client *,
struct screen_redraw_ctx *);
static void screen_redraw_draw_pane_scrollbars(struct screen_redraw_ctx *);
static void screen_redraw_draw_scrollbar(struct client *,
struct window_pane *, int, u_int, u_int, u_int, u_int,
u_int);
static void screen_redraw_draw_scrollbar(struct screen_redraw_ctx *,
struct window_pane *, int, int, int, u_int, u_int, u_int);
static void screen_redraw_draw_pane_scrollbar(struct screen_redraw_ctx *,
struct window_pane *);
@@ -969,13 +968,12 @@ void
screen_redraw_draw_pane_scrollbar(struct screen_redraw_ctx *ctx,
struct window_pane *wp)
{
struct client *c = ctx->c;
struct screen *s = wp->screen;
double percent_view;
u_int sb = ctx->pane_scrollbars, total_height, sb_h = wp->sy;
u_int sb_pos = ctx->pane_scrollbars_pos, slider_h, slider_y;
u_int sb_w = PANE_SCROLLBARS_WIDTH, cm_y, cm_size;
u_int sb_x, sb_y = wp->yoff; /* upper left of scrollbar */
int sb_x, sb_y = (int)(wp->yoff - ctx->oy); /* sb top */
if (window_pane_mode(wp) == WINDOW_PANE_NO_MODE) {
if (sb == PANE_SCROLLBARS_MODAL)
@@ -997,30 +995,33 @@ screen_redraw_draw_pane_scrollbar(struct screen_redraw_ctx *ctx,
}
if (sb_pos == PANE_SCROLLBARS_LEFT)
sb_x = wp->xoff - sb_w;
sb_x = (int)wp->xoff - sb_w - ctx->ox;
else
sb_x = wp->xoff + wp->sx;
sb_x = (int)wp->xoff + wp->sx - ctx->ox;
if (slider_h < 1)
slider_h = 1;
if (slider_y >= sb_h)
slider_y = sb_h - 1;
screen_redraw_draw_scrollbar(c, wp, sb_pos, sb_x, sb_y, sb_h, slider_h,
slider_y);
screen_redraw_draw_scrollbar(ctx, wp, sb_pos, sb_x, sb_y, sb_h,
slider_h, slider_y);
}
static void
screen_redraw_draw_scrollbar(struct client *c, struct window_pane *wp,
int sb_pos, u_int px, u_int py, u_int sb_h, u_int slider_h, u_int slider_y)
screen_redraw_draw_scrollbar(struct screen_redraw_ctx *ctx,
struct window_pane *wp, int sb_pos, int sb_x, int sb_y, u_int sb_h,
u_int slider_h, u_int slider_y)
{
struct client *c = ctx->c;
struct window *w = wp->window;
struct tty *tty = &c->tty;
struct grid_cell gc;
int fg, bg;
u_int i, j, pad_col = 0;
u_int sb_w = PANE_SCROLLBARS_WIDTH;
u_int sb_pad = PANE_SCROLLBARS_PADDING;
u_int i, j, sb_w = PANE_SCROLLBARS_WIDTH;
u_int pad_col = 0;
int fg, bg, px, py, ox = ctx->ox, oy = ctx->oy;
int sb_pad = PANE_SCROLLBARS_PADDING, sx = ctx->sx;
int sy = ctx->sy, xoff = wp->xoff, yoff = wp->yoff;
/* Set up default colour. */
style_apply(&gc, w->options, "pane-scrollbars-style", NULL);
@@ -1037,12 +1038,18 @@ screen_redraw_draw_scrollbar(struct client *c, struct window_pane *wp,
for (i = 0; i < sb_w; i++) {
for (j = 0; j < sb_h; j++) {
tty_cursor(tty, px + i, py + j);
px = sb_x + i;
py = sb_y + j;
if (px < xoff - ox - 1 || px >= sx || px < 0 ||
py < yoff - oy - 1 || py >= sy || py < 0)
continue;
tty_cursor(tty, px, py);
if (sb_pad && i == pad_col) {
tty_cell(tty, &grid_default_cell,
&grid_default_cell, NULL, NULL);
} else {
if (j >= slider_y && j < slider_y + slider_h) {
if (j >= slider_y &&
j < slider_y + slider_h) {
gc.bg = fg;
gc.fg = bg;
} else {