layout/centerwork.lua

   1
   2 --[[
   3
   4      Licensed under GNU General Public License v2
   5       * (c) 2013,      Luke Bonham
   6       * (c) 2010-2012, Peter Hofmann
   7
   8 --]]
   9
  10 local awful     = require("awful")
  11 local beautiful = require("beautiful")
  12 local tonumber  = tonumber
  13 local math      = { floor = math.floor }
  14
  15 local centerwork =
  16 {
  17     name         = "centerwork",
  18     top_left     = 0,
  19     top_right    = 1,
  20     bottom_left  = 2,
  21     bottom_right = 3
  22 }
  23
  24 function centerwork.arrange(p)
  25     -- A useless gap (like the dwm patch) can be defined with
  26     -- beautiful.useless_gap_width .
  27     local useless_gap = tonumber(beautiful.useless_gap_width)
  28     if useless_gap == nil
  29     then
  30         useless_gap = 0
  31     end
  32
  33     -- Screen.
  34     local wa = p.workarea
  35     local cls = p.clients
  36
  37     -- Width of main column?
  38     local t = awful.tag.selected(p.screen)
  39     local mwfact = awful.tag.getmwfact(t)
  40
  41     if #cls > 0
  42     then
  43         -- Main column, fixed width and height.
  44         local c = cls[#cls]
  45         local g = {}
  46         local mainwid = math.floor(wa.width * mwfact)
  47         local slavewid = wa.width - mainwid
  48         local slaveLwid = math.floor(slavewid / 2)
  49         local slaveRwid = slavewid - slaveLwid
  50         local slaveThei = math.floor(wa.height / 2)
  51         local slaveBhei = wa.height - slaveThei
  52
  53         g.height = wa.height - 2 * useless_gap
  54         g.width = mainwid
  55         g.x = wa.x + slaveLwid
  56         g.y = wa.y + useless_gap
  57
  58         c:geometry(g)
  59
  60         -- Auxiliary windows.
  61         if #cls > 1
  62         then
  63             local at = 0
  64             for i = (#cls - 1),1,-1
  65             do
  66                 -- It's all fixed. If there are more than 5 clients,
  67                 -- those additional clients will float. This is
  68                 -- intentional.
  69                 if at == 4
  70                 then
  71                     break
  72                 end
  73
  74                 c = cls[i]
  75                 g = {}
  76
  77                 if at == centerwork.top_left
  78                 then
  79                     -- top left
  80                     g.x = wa.x + useless_gap
  81                     g.y = wa.y + useless_gap
  82                     g.width = slaveLwid - 2 * useless_gap
  83                     g.height = slaveThei - useless_gap
  84                 elseif at == centerwork.top_right
  85                 then
  86                     -- top right
  87                     g.x = wa.x + slaveLwid + mainwid + useless_gap
  88                     g.y = wa.y + useless_gap
  89                     g.width = slaveRwid - 2 * useless_gap
  90                     g.height = slaveThei - useless_gap
  91                 elseif at == centerwork.bottom_left
  92                 then
  93                     -- bottom left
  94                     g.x = wa.x + useless_gap
  95                     g.y = wa.y + slaveThei + useless_gap
  96                     g.width = slaveLwid - 2 * useless_gap
  97                     g.height = slaveBhei - 2 * useless_gap
  98                 elseif at == centerwork.bottom_right
  99                 then
 100                     -- bottom right
 101                     g.x = wa.x + slaveLwid + mainwid + useless_gap
 102                     g.y = wa.y + slaveThei + useless_gap
 103                     g.width = slaveRwid - 2 * useless_gap
 104                     g.height = slaveBhei - 2 * useless_gap
 105                 end
 106
 107                 c:geometry(g)
 108
 109                 at = at + 1
 110             end
 111
 112             -- Set remaining clients to floating.
 113             for i = (#cls - 1 - 4),1,-1
 114             do
 115                 c = cls[i]
 116                 awful.client.floating.set(c, true)
 117             end
 118         end
 119     end
 120 end
 121
 122 return centerwork