snowflake/home/yazi/init.lua

function Manager:render(area)
    self.area = area

    local chunks = ui.Layout()
        :direction(ui.Layout.HORIZONTAL)
        :constraints({
            ui.Constraint.Ratio(MANAGER.ratio.parent, MANAGER.ratio.all),
            ui.Constraint.Ratio(MANAGER.ratio.current, MANAGER.ratio.all),
            ui.Constraint.Ratio(MANAGER.ratio.preview, MANAGER.ratio.all),
        })
        :split(area)

    local bar = function(c, x, y)
        return ui.Bar(
            ui.Rect { x = math.max(0, x), y = math.max(0, y), w = math.min(1, area.w), h = math.min(1, area.h) },
            ui.Bar.TOP
        ):symbol(c)
    end

    return ya.flat {
        -- Borders
        ui.Border(area, ui.Border.ALL):type(ui.Border.ROUNDED),
        ui.Bar(chunks[1], ui.Bar.RIGHT),
        ui.Bar(chunks[3], ui.Bar.LEFT),

        bar("┬", chunks[1].right - 1, chunks[1].y),
        bar("┴", chunks[1].right - 1, chunks[1].bottom - 1),
        bar("┬", chunks[2].right, chunks[2].y),
        bar("┴", chunks[2].right, chunks[1].bottom - 1),

        -- Parent
        Parent:render(chunks[1]:padding(ui.Padding.xy(1))),
        -- Current
        Current:render(chunks[2]:padding(ui.Padding.y(1))),
        -- Preview
        Preview:render(chunks[3]:padding(ui.Padding.xy(1))),
    }
end

Status = {
	area = ui.Rect.default,
}

function Status.style()
	if cx.active.mode.is_select then
		return THEME.status.mode_select
	elseif cx.active.mode.is_unset then
		return THEME.status.mode_unset
	else
		return THEME.status.mode_normal
	end
end

function Status:mode()
	local mode = tostring(cx.active.mode):upper()
	if mode == "UNSET" then
		mode = "UN-SET"
	end

	local style = self.style()
	return ui.Line {
		ui.Span(THEME.status.separator_open):fg(style.bg),
		ui.Span(" " .. mode .. " "):style(style),
	}
end

function Status:size()
	local h = cx.active.current.hovered
	if h == nil then
		return ui.Line {}
	end

	local style = self.style()
	return ui.Line {
		ui.Span(" " .. ya.readable_size(h:size() or h.cha.length) .. " "):fg(style.bg):bg(THEME.status.separator_style.bg),
		ui.Span(THEME.status.separator_close):fg(THEME.status.separator_style.fg),
	}
end

function Status:name()
	local h = cx.active.current.hovered
	if h == nil then
		return ui.Span("")
	end
	local linked = ""
	if h.link_to ~= nil then
		linked = " -> " .. tostring(h.link_to)
		end
	return ui.Span(" " .. h.name .. linked)
end

function Status:permissions()
	local h = cx.active.current.hovered
	if h == nil then
		return ui.Line {}
	end

	local perm = h.cha:permissions()
	if perm == nil then
		return ui.Line {}
	end

	local spans = {}
	for i = 1, #perm do
		local c = perm:sub(i, i)
		local style = THEME.status.permissions_t
		if c == "-" then
			style = THEME.status.permissions_s
		elseif c == "r" then
			style = THEME.status.permissions_r
		elseif c == "w" then
			style = THEME.status.permissions_w
		elseif c == "x" or c == "s" or c == "S" or c == "t" or c == "T" then
			style = THEME.status.permissions_x
		end
		spans[i] = ui.Span(c):style(style)
	end
	return ui.Line(spans)
end

function Status:percentage()
	local percent = 0
	local cursor = cx.active.current.cursor
	local length = #cx.active.current.files
	if cursor ~= 0 and length ~= 0 then
		percent = math.floor((cursor + 1) * 100 / length)
	end

	if percent == 0 then
		percent = "  Top "
	else
		percent = string.format(" %3d%% ", percent)
	end

	local style = self.style()
	return ui.Line {
		ui.Span(" " .. THEME.status.separator_open):fg(THEME.status.separator_style.fg),
		ui.Span(percent):fg(style.bg):bg(THEME.status.separator_style.bg),
	}
end

function Status:position()
	local cursor = cx.active.current.cursor
	local length = #cx.active.current.files

	local style = self.style()
	return ui.Line {
		ui.Span(string.format(" %2d/%-2d ", cursor + 1, length)):style(style),
		ui.Span(THEME.status.separator_close):fg(style.bg),
	}
end

function Status:render(area)
	self.area = area

	local left = ui.Line { self:mode(), self:size(), self:name() }
	local right = ui.Line { self:owner(), self:permissions(), self:percentage(), self:position() }
	return {
		ui.Paragraph(area, { left }),
		ui.Paragraph(area, { right }):align(ui.Paragraph.RIGHT),
		table.unpack(Progress:render(area, right:width())),
	}
end

function Status:owner()
	local h = cx.active.current.hovered
	if h == nil or ya.target_family() ~= "unix" then
		return ui.Line {}
	end

	return ui.Line {
		ui.Span(ya.user_name(h.cha.uid) or tostring(h.cha.uid)):fg("magenta"),
		ui.Span(":"),
		ui.Span(ya.group_name(h.cha.gid) or tostring(h.cha.gid)):fg("magenta"),
		ui.Span(" "),
	}
end