mirror of https://github.com/lcpz/lain.git
124 lines
3.5 KiB
Lua
124 lines
3.5 KiB
Lua
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--[[
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Licensed under GNU General Public License v2
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* (c) 2014 projektile
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* (c) 2013 Luke Bonham
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* (c) 2009 Uli Schlachter
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* (c) 2008 Julien Danjolu
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--]]
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local beautiful = require("beautiful")
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local ipairs = ipairs
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local tonumber = tonumber
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local math = require("math")
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local uselesspiral = {}
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local function spiral(p, spiral)
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-- A useless gap (like the dwm patch) can be defined with
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-- beautiful.useless_gap_width.
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local useless_gap = tonumber(beautiful.useless_gap_width) or 0
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if useless_gap < 0 then useless_gap = 0 end
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-- A global border can be defined with
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-- beautiful.global_border_width
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local global_border = tonumber(beautiful.global_border_width) or 0
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if global_border < 0 then global_border = 0 end
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-- Themes border width requires an offset
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local bw = tonumber(beautiful.border_width) or 0
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-- get our orientation right
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local wa = p.workarea
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local cls = p.clients
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local n = #cls -- number of windows total; k = which window number
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wa.height = wa.height - ((global_border * 2) + (bw * 2))
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wa.width = wa.width - ((global_border * 2) + (bw * 2))
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local static_wa = wa
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for k, c in ipairs(cls) do
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if k < n then
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if k % 2 == 0 then
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wa.height = (wa.height / 2)
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else
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wa.width = (wa.width / 2)
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end
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end
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if k % 4 == 0 and spiral then
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wa.x = wa.x - wa.width
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elseif k % 2 == 0 or
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(k % 4 == 3 and k < n and spiral) then
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wa.x = wa.x + wa.width
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end
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if k % 4 == 1 and k ~= 1 and spiral then
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wa.y = wa.y - wa.height
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elseif k % 2 == 1 and k ~= 1 or
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(k % 4 == 0 and k < n and spiral) then
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wa.y = wa.y + wa.height
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end
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local wa2 = {}
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wa2.x = wa.x + (useless_gap / 2) + global_border
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wa2.y = wa.y + (useless_gap / 2) + global_border
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wa2.height = wa.height - (useless_gap / 2)
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wa2.width = wa.width - (useless_gap / 2)
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-- Useless gap.
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if useless_gap > 0
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then
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-- Top and left clients are shrinked by two steps and
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-- get moved away from the border. Other clients just
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-- get shrinked in one direction.
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top = false
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left = false
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if wa2.y == static_wa.y then
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top = true
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end
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if wa2.x == static_wa.x then
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left = true
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end
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if top then
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wa2.height = wa2.height - useless_gap
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wa2.y = wa2.y - (useless_gap / 2)
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else
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wa2.height = wa2.height - (useless_gap / 2)
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end
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if left then
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wa2.width = wa2.width - useless_gap
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wa2.x = wa2.x - (useless_gap / 2)
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else
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wa2.width = wa2.width - (useless_gap / 2)
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end
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end
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-- End of useless gap.
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c:geometry(wa2)
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end
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end
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--- Dwindle layout
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uselesspiral.dwindle = {}
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uselesspiral.dwindle.name = "uselessdwindle"
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function uselesspiral.dwindle.arrange(p)
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return spiral(p, false)
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end
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--- Spiral layout
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uselesspiral.name = "uselesspiral"
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function uselesspiral.arrange(p)
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return spiral(p, true)
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end
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return uselesspiral
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