summaryrefslogtreecommitdiff
path: root/awesome/widgets/classiclayoutbox.lua
blob: ac08671d95ab3df96c1d14a4a7e262e61cc59d00 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
---------------------------------------------------------------------------
--- 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 .. "]"
		return
	end

   	w.textbox.text = layout_icons[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)
	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)

-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80