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---------------------------------------------------------------------------
--- Layoutbox widget.
--
-- @author Julien Danjou <julien@danjou.info>
-- @copyright 2009 Julien Danjou
-- @classmod awful.widget.layoutbox
---------------------------------------------------------------------------
local setmetatable = setmetatable
local capi = { screen = screen, tag = tag }
local layout = require("awful.layout")
local tooltip = require("awful.tooltip")
local beautiful = require("beautiful")
local imagebox = require("wibox.widget.imagebox")
local function get_screen(s)
return s and capi.screen[s]
end
local layoutbox = { mt = {} }
local boxes = nil
local function update(w, screen)
screen = get_screen(screen)
local name = layout.getname(layout.get(screen))
w._layoutbox_tooltip:set_text(name or "[no name]")
w:set_image(name and beautiful["layout_" .. name])
end
local function update_from_tag(t)
local screen = get_screen(t.screen)
local w = boxes[screen]
if w then
update(w, screen)
end
end
--- Create a layoutbox widget. It draws a picture with the current layout
-- symbol of the current tag.
-- @param screen The screen number that the layout will be represented for.
-- @return An imagebox widget configured as a layoutbox.
function layoutbox.new(screen)
screen = get_screen(screen or 1)
-- Do we already have the update callbacks registered?
if boxes == nil then
boxes = setmetatable({}, { __mode = "kv" })
capi.tag.connect_signal("property::selected", update_from_tag)
capi.tag.connect_signal("property::layout", update_from_tag)
layoutbox.boxes = boxes
end
-- Do we already have a layoutbox for this screen?
local w = boxes[screen]
if not w then
w = imagebox()
w._layoutbox_tooltip = tooltip {objects = {w}, delay_show = 1}
update(w, screen)
boxes[screen] = w
end
return w
end
function layoutbox.mt:__call(...)
return layoutbox.new(...)
end
return setmetatable(layoutbox, layoutbox.mt)
-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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