lain/layout/centerhwork.lua

137 lines
4.5 KiB
Lua

--[[
Licensed under GNU General Public License v2
* (c) 2015, Joerg Jaspert
* (c) 2014, projektile
* (c) 2013, Luke Bonham
* (c) 2010-2012, Peter Hofmann
--]]
local awful = require("awful")
local beautiful = require("beautiful")
local tonumber = tonumber
local centerhwork =
{
name = "centerhwork",
top_left = 0,
top_right = 1,
bottom_left = 2,
bottom_right = 3
}
function centerhwork.arrange(p)
-- 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
-- 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
-- Screen.
local wa = p.workarea
local cls = p.clients
-- Borders are factored in.
wa.height = wa.height - (global_border * 2)
wa.width = wa.width - (global_border * 2)
wa.x = wa.x + global_border
wa.y = wa.y + global_border
-- Width of main column?
local t = awful.tag.selected(p.screen)
local mwfact = awful.tag.getmwfact(t)
if #cls > 0
then
-- Main column, fixed width and height.
local c = cls[1]
local g = {}
local mainhei = math.floor(wa.height * mwfact)
local slaveLwid = math.floor(wa.width / 2 )
local slaveRwid = wa.width - slaveLwid
local slavehei = wa.height - mainhei
local slaveThei = math.floor(slavehei / 2)
local slaveBhei = slavehei - slaveThei
local Lhalfgap = math.floor(useless_gap / 2)
local Rhalfgap = useless_gap - Lhalfgap
g.height = mainhei - 2*c.border_width
g.width = wa.width - 2*useless_gap - 2*c.border_width
g.x = wa.x + useless_gap
g.y = wa.y + slaveThei
if g.width < 1 then g.width = 1 end
if g.height < 1 then g.height = 1 end
c:geometry(g)
-- Auxiliary windows.
if #cls > 1
then
local at = 0
for i = 2,#cls
do
-- It's all fixed. If there are more than 5 clients,
-- those additional clients will float. This is
-- intentional.
if at == 4
then
break
end
c = cls[i]
g = {}
if i - 2 == centerhwork.top_left
then
-- top left
g.x = wa.x + useless_gap
g.y = wa.y + useless_gap
g.width = slaveLwid - useless_gap - Lhalfgap - 2*c.border_width
g.height = slaveThei - 2*useless_gap - 2*c.border_width
elseif i - 2 == centerhwork.top_right
then
-- top right
g.x = wa.x + slaveLwid + Rhalfgap
g.y = wa.y + useless_gap
g.width = slaveRwid - useless_gap - Rhalfgap - 2*c.border_width
g.height = slaveThei - 2*useless_gap - 2*c.border_width
elseif i - 2 == centerhwork.bottom_left
then
-- bottom left
g.x = wa.x + useless_gap
g.y = wa.y + mainhei + slaveThei + useless_gap
g.width = slaveLwid - useless_gap - Lhalfgap - 2*c.border_width
g.height = slaveBhei - 2*useless_gap - 2*c.border_width
elseif i - 2 == centerhwork.bottom_right
then
-- bottom right
g.x = wa.x + slaveLwid + Rhalfgap
g.y = wa.y + mainhei + slaveThei + useless_gap
g.width = slaveRwid - useless_gap - Rhalfgap - 2*c.border_width
g.height = slaveBhei - 2*useless_gap - 2*c.border_width
end
if g.width < 1 then g.width = 1 end
if g.height < 1 then g.height = 1 end
c:geometry(g)
at = at + 1
end
-- Set remaining clients to floating.
for i = (#cls - 1 - 4),1,-1
do
c = cls[i]
awful.client.floating.set(c, true)
end
end
end
end
return centerhwork