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awesome-copycats/layouts/fairgaps.lua
2013-08-03 14:33:00 +02:00

111 lines
2.8 KiB
Lua

---------------------------------------------------------------------------
-- @author Julien Danjou <julien@danjou.info>
-- @copyright 2008 Julien Danjou
-- @release v3.4.11
---------------------------------------------------------------------------
-- Grab environment we need
local ipairs = ipairs
local math = math
module("layouts.fairgaps")
local function fair(p, orientation)
local wa = p.workarea
local cls = p.clients
if #cls > 0 then
local cells = math.ceil(math.sqrt(#cls))
local strips = math.ceil(#cls / cells)
local cell = 0
local strip = 0
for k, c in ipairs(cls) do
local g = {}
if ( orientation == "east" and #cls > 2 )
or ( orientation == "south" and #cls <= 2 ) then
if #cls < (strips * cells) and strip == strips - 1 then
g.width = wa.width / (cells - ((strips * cells) - #cls))
else
g.width = wa.width / cells
end
g.height = wa.height / strips
g.x = wa.x + cell * g.width
g.y = wa.y + strip * g.height
else
if #cls < (strips * cells) and strip == strips - 1 then
g.height = wa.height / (cells - ((strips * cells) - #cls))
else
g.height = wa.height / cells
end
g.width = wa.width / strips
g.x = wa.x + strip * g.width
g.y = wa.y + cell * g.height
end
-- Useless gap.
useless_gap = 25
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 g.x == wa.x then
top = true
end
if g.y == wa.y then
left = true
end
if top then
g.width = g.width - 2 * useless_gap
g.x = g.x + useless_gap
else
g.width = g.width - useless_gap
end
if left then
g.height = g.height - 2 * useless_gap
g.y = g.y + useless_gap
else
g.height = g.height - useless_gap
end
end
-- End of useless gap.
c:geometry(g)
cell = cell + 1
if cell == cells then
cell = 0
strip = strip + 1
end
end
end
end
--- Horizontal fair layout.
-- @param screen The screen to arrange.
horizontal = {}
horizontal.name = "fairhgaps"
function horizontal.arrange(p)
return fair(p, "east")
end
-- Vertical fair layout.
-- @param screen The screen to arrange.
name = "fairvgaps"
function arrange(p)
return fair(p, "south")
end