mirror of https://github.com/lcpz/lain.git
113 lines
2.7 KiB
Lua
113 lines
2.7 KiB
Lua
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--[[
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Licensed under GNU General Public License v2
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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 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)
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if useless_gap == nil
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then
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useless_gap = 0
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end
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local wa = p.workarea
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local cls = p.clients
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local n = #cls
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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
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wa2.y = wa.y
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wa2.height = wa.height
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wa2.width = wa.width
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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 - 2 * useless_gap
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wa2.y = wa2.y + useless_gap
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else
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wa2.height = wa2.height - useless_gap
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end
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if left then
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wa2.width = wa2.width - 2 * useless_gap
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wa2.x = wa2.x + useless_gap
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else
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wa2.width = wa2.width - useless_gap
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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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