static void print_vertical_tabbar(struct window *win)
{
int width = vertical_tabbar_width(win);
int h = win->edit_h;
int i, n, cur_idx = 0;
for (i = 0; i < win->views.count; i++) {
if (win->view == win->views.ptrs[i]) {
cur_idx = i;
break;
}
}
if (win->views.count <= h) {
// all tabs fit
win->first_tab_idx = 0;
} else {
int max_y = win->first_tab_idx + h - 1;
if (win->first_tab_idx > cur_idx)
win->first_tab_idx = cur_idx;
if (cur_idx > max_y)
win->first_tab_idx += cur_idx - max_y;
}
buf_reset(win->x, width, 0);
n = h;
if (n + win->first_tab_idx > win->views.count)
n = win->views.count - win->first_tab_idx;
for (i = 0; i < n; i++) {
int idx = win->first_tab_idx + i;
obuf.x = 0;
buf_move_cursor(win->x, win->y + i);
print_vertical_tab_title(win->views.ptrs[idx], idx, width);
}
set_builtin_color(BC_TABBAR);
for (; i < h; i++) {
obuf.x = 0;
buf_move_cursor(win->x, win->y + i);
buf_clear_eol();
}
}
void update_line_numbers(struct window *win, bool force)
{
struct view *v = win->view;
long lines = v->buffer->nl;
int i, first, last;
int x = win->x + vertical_tabbar_width(win);
calculate_line_numbers(win);
first = v->vy + 1;
last = v->vy + win->edit_h;
if (last > lines)
last = lines;
if (!force && win->line_numbers.first == first && win->line_numbers.last == last)
return;
win->line_numbers.first = first;
win->line_numbers.last = last;
buf_reset(win->x, win->w, 0);
set_builtin_color(BC_LINENUMBER);
for (i = 0; i < win->edit_h; i++) {
int line = v->vy + i + 1;
int w = win->line_numbers.width - 1;
char buf[32];
if (line > lines) {
snprintf(buf, sizeof(buf), "%*s ", w, "");
} else {
snprintf(buf, sizeof(buf), "%*d ", w, line);
}
buf_move_cursor(x, win->edit_y + i);
buf_add_bytes(buf, win->line_numbers.width);
}
}
