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---------------------------------------------------------------------------
--- Dwindle and spiral layouts
--
-- @author Uli Schlachter <psychon@znc.in>
-- @copyright 2009 Uli Schlachter
-- @copyright 2008 Julien Danjou
--
-- @module awful.layout
---------------------------------------------------------------------------
-- Grab environment we need
local ipairs = ipairs
local math = math
--- The spiral layout layoutbox icon.
-- @beautiful beautiful.layout_spiral
-- @param surface
-- @see gears.surface
--- The dwindle layout layoutbox icon.
-- @beautiful beautiful.layout_dwindle
-- @param surface
-- @see gears.surface
local spiral = {}
local function do_spiral(p, _spiral)
local wa = p.workarea
local cls = p.clients
local n = #cls
local old_width, old_height = wa.width, 2 * wa.height
for k, c in ipairs(cls) do
if k % 2 == 0 then
wa.width, old_width = math.ceil(old_width / 2), wa.width
if k ~= n then
wa.height, old_height = math.floor(wa.height / 2), wa.height
end
else
wa.height, old_height = math.ceil(old_height / 2), wa.height
if k ~= n then
wa.width, old_width = math.floor(wa.width / 2), wa.width
end
end
if k % 4 == 0 and _spiral then
wa.x = wa.x - wa.width
elseif k % 2 == 0 then
wa.x = wa.x + old_width
elseif k % 4 == 3 and k < n and _spiral then
wa.x = wa.x + math.ceil(old_width / 2)
end
if k % 4 == 1 and k ~= 1 and _spiral then
wa.y = wa.y - wa.height
elseif k % 2 == 1 and k ~= 1 then
wa.y = wa.y + old_height
elseif k % 4 == 0 and k < n and _spiral then
wa.y = wa.y + math.ceil(old_height / 2)
end
local g = {
x = wa.x,
y = wa.y,
width = wa.width,
height = wa.height
}
p.geometries[c] = g
end
end
--- Dwindle layout.
-- @clientlayout awful.layout.suit.spiral.dwindle
spiral.dwindle = {}
spiral.dwindle.name = "dwindle"
function spiral.dwindle.arrange(p)
return do_spiral(p, false)
end
--- Spiral layout.
-- @clientlayout awful.layout.suit.spiral.name
spiral.name = "spiral"
function spiral.arrange(p)
return do_spiral(p, true)
end
return spiral
-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
|
