1 files changed, 123 insertions, 0 deletions
diff --git a/lain/layout/uselesspiral.lua b/lain/layout/uselesspiral.lua
new file mode 100644
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+++ b/lain/layout/uselesspiral.lua
@@ -0,0 +1,123 @@
+
+--[[
+                                                  
+     Licensed under GNU General Public License v2 
+      * (c) 2014, projektile                      
+      * (c) 2013, Luke Bonham                     
+      * (c) 2009, Uli Schlachter                  
+      * (c) 2008, Julien Danjolu                  
+                                                  
+--]]
+
+local beautiful = require("beautiful")
+local ipairs    = ipairs
+local tonumber  = tonumber
+local math      = require("math")
+
+local uselesspiral = {}
+
+local function spiral(p, spiral)
+    -- A useless gap (like the dwm patch) can be defined with
+    -- beautiful.useless_gap_width.
+    local useless_gap = tonumber(beautiful.useless_gap_width) or 0
+    if useless_gap < 0 then useless_gap = 0 end
+
+    -- A global border can be defined with
+    -- beautiful.global_border_width
+    local global_border = tonumber(beautiful.global_border_width) or 0
+    if global_border < 0 then global_border = 0 end
+
+    -- Themes border width requires an offset
+    local bw = tonumber(beautiful.border_width) or 0
+
+    -- get our orientation right
+    local wa = p.workarea
+    local cls = p.clients
+    local n = #cls -- number of windows total; k = which window number
+
+    wa.height = wa.height - ((global_border * 2) + (bw * 2))
+    wa.width = wa.width - ((global_border * 2) + (bw * 2))
+
+    local static_wa = wa
+
+    for k, c in ipairs(cls) do
+        if k < n then
+            if k % 2 == 0 then
+                wa.height = (wa.height / 2)
+            else
+                wa.width = (wa.width / 2)
+            end
+        end
+
+        if k % 4 == 0 and spiral then
+            wa.x = wa.x - wa.width
+        elseif k % 2 == 0 or
+            (k % 4 == 3 and k < n and spiral) then
+            wa.x = wa.x + wa.width
+        end
+
+        if k % 4 == 1 and k ~= 1 and spiral then
+            wa.y = wa.y - wa.height
+        elseif k % 2 == 1 and k ~= 1 or
+            (k % 4 == 0 and k < n and spiral) then
+            wa.y = wa.y + wa.height
+        end
+
+            local wa2 = {}
+            wa2.x = wa.x + (useless_gap / 2) + global_border
+            wa2.y = wa.y + (useless_gap / 2) + global_border
+            wa2.height = wa.height - (useless_gap / 2)
+            wa2.width = wa.width - (useless_gap / 2)
+
+        -- Useless gap.
+        if useless_gap > 0
+        then
+            -- Top and left clients are shrinked by two steps and
+            -- get moved away from the border. Other clients just
+            -- get shrinked in one direction.
+
+            top = false
+            left = false
+
+            if wa2.y == static_wa.y then
+               top = true
+            end
+
+            if wa2.x == static_wa.x then
+               left = true
+            end
+
+            if top then
+                wa2.height = wa2.height - useless_gap
+                wa2.y = wa2.y - (useless_gap / 2)
+            else
+                wa2.height = wa2.height - (useless_gap / 2)
+            end
+
+            if left then
+                wa2.width = wa2.width - useless_gap
+                wa2.x = wa2.x - (useless_gap / 2)
+            else
+                wa2.width = wa2.width - (useless_gap / 2)
+            end
+        end
+        -- End of useless gap.
+
+        c:geometry(wa2)
+    end
+end
+
+--- Dwindle layout
+uselesspiral.dwindle = {}
+uselesspiral.dwindle.name = "uselessdwindle"
+function uselesspiral.dwindle.arrange(p)
+    return spiral(p, false)
+end
+
+--- Spiral layout
+uselesspiral.name = "uselesspiral"
+function uselesspiral.arrange(p)
+    return spiral(p, true)
+end
+
+return uselesspiral