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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 wibox = require("wibox")
local surface = require("gears.surface")
local layout_icons = {
cornernw = "",
cornerne = "",
cornersw = "",
cornerse = "",
fairh = "",
fairv = "",
max = "[M]",
floating = "><>",
magnifier = "[M]",
fullscreen = "",
spiral = "",
dwindle = "",
tile = "[]=",
tiletop = "TTT",
tilebottom = "TTT",
tileleft = "=[]",
}
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]")
if name == "max" and #screen.clients > 0 then
w.textbox.text = " [" .. #screen.clients .. "] " -- TODO manage / unmanage signal
return
end
w.textbox.text = layout_icons[name]
w.textbox.text = " " .. w.textbox.text .. " "
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)
capi.tag.connect_signal("property::screen", function()
for s, w in pairs(boxes) do
if s.valid then
update(w, s)
end
end
end)
layoutbox.boxes = boxes
end
-- Do we already have a layoutbox for this screen?
local w = boxes[screen]
if not w then
w = wibox.widget {
{
id = "textbox",
widget = wibox.widget.textbox
},
layout = wibox.layout.fixed.horizontal
}
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)
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