diff options
Diffstat (limited to 'state.lua')
| -rw-r--r-- | state.lua | 21 |
1 files changed, 13 insertions, 8 deletions
@@ -85,25 +85,30 @@ end function menu_mt:set_cursor(pos, lines, opts) local pos = math.max(1, math.min(pos, #self.options)) local top = self.view_top + local margin = 0 - if not lines then + if not lines or lines < 2 then top = pos goto update end + if opts and opts.margin then + margin = math.min(opts.margin, math.floor((lines - 1) / 2)) + end + if opts and opts.centre then top = pos - math.floor((lines - 1) / 2) elseif opts and opts.keep_offset then top = top + pos - self.cursor + elseif margin > 0 then + margin = math.max(0, math.min( + margin, + self.cursor - self.view_top, + self.view_top + lines - 1 - self.cursor)) end - -- move view to keep selected option visible - if pos < top then - top = pos - elseif pos > top + lines - 1 then - top = pos - lines + 1 - end - + -- keep selected option visible and view in bounds + top = math.max(pos - lines + 1 + margin, math.min(top, pos - margin)) top = math.max(1, math.min(top, #self.options - lines + 1)) ::update:: |