awesome/lib/awful/layout/suit/fair.lua.in

98 lines
2.5 KiB
Lua

---------------------------------------------------------------------------
--- Fair layouts module for awful
--
-- @author Josh Komoroske
-- @copyright 2012 Josh Komoroske
-- @release @AWESOME_VERSION@
-- @module awful.layout.suit.fair
---------------------------------------------------------------------------
-- Grab environment we need
local ipairs = ipairs
local math = math
local fair = {}
local function do_fair(p, orientation)
local wa = p.workarea
local cls = p.clients
-- Swap workarea dimensions, if our orientation is "east"
if orientation == 'east' then
wa.width, wa.height = wa.height, wa.width
wa.x, wa.y = wa.y, wa.x
end
if #cls > 0 then
local rows, cols = 0, 0
if #cls == 2 then
rows, cols = 1, 2
else
rows = math.ceil(math.sqrt(#cls))
cols = math.ceil(#cls / rows)
end
for k, c in ipairs(cls) do
k = k - 1
local g = {}
local row, col = 0, 0
row = k % rows
col = math.floor(k / rows)
local lrows, lcols = 0, 0
if k >= rows * cols - rows then
lrows = #cls - (rows * cols - rows)
lcols = cols
else
lrows = rows
lcols = cols
end
if row == lrows - 1 then
g.height = wa.height - math.ceil(wa.height / lrows) * row
g.y = wa.height - g.height
else
g.height = math.ceil(wa.height / lrows)
g.y = g.height * row
end
if col == lcols - 1 then
g.width = wa.width - math.ceil(wa.width / lcols) * col
g.x = wa.width - g.width
else
g.width = math.ceil(wa.width / lcols)
g.x = g.width * col
end
g.y = g.y + wa.y
g.x = g.x + wa.x
-- Swap window dimensions, if our orientation is "east"
if orientation == 'east' then
g.width, g.height = g.height, g.width
g.x, g.y = g.y, g.x
end
p.geometries[c] = g
end
end
end
--- Horizontal fair layout.
-- @param screen The screen to arrange.
fair.horizontal = {}
fair.horizontal.name = "fairh"
function fair.horizontal.arrange(p)
return do_fair(p, "east")
end
--- Vertical fair layout.
-- @param screen The screen to arrange.
fair.name = "fairv"
function fair.arrange(p)
return do_fair(p, "south")
end
return fair