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) or 0
  28
  29     -- Screen.
  30     local wa = p.workarea
  31     local cls = p.clients
  32
  33     -- Width of main column?
  34     local t = awful.tag.selected(p.screen)
  35     local mwfact = awful.tag.getmwfact(t)
  36
  37     if #cls > 0
  38     then
  39         -- Main column, fixed width and height.
  40         local c = cls[#cls]
  41         local g = {}
  42         local mainwid = math.floor(wa.width * mwfact)
  43         local slavewid = wa.width - mainwid
  44         local slaveLwid = math.floor(slavewid / 2)
  45         local slaveRwid = slavewid - slaveLwid
  46         local slaveThei = math.floor(wa.height / 2)
  47         local slaveBhei = wa.height - slaveThei
  48
  49         g.height = wa.height - 2 * useless_gap
  50         g.width = mainwid
  51         g.x = wa.x + slaveLwid
  52         g.y = wa.y + useless_gap
  53
  54         c:geometry(g)
  55
  56         -- Auxiliary windows.
  57         if #cls > 1
  58         then
  59             local at = 0
  60             for i = (#cls - 1),1,-1
  61             do
  62                 -- It's all fixed. If there are more than 5 clients,
  63                 -- those additional clients will float. This is
  64                 -- intentional.
  65                 if at == 4
  66                 then
  67                     break
  68                 end
  69
  70                 c = cls[i]
  71                 g = {}
  72
  73                 if at == centerwork.top_left
  74                 then
  75                     -- top left
  76                     g.x = wa.x + useless_gap
  77                     g.y = wa.y + useless_gap
  78                     g.width = slaveLwid - 2 * useless_gap
  79                     g.height = slaveThei - useless_gap
  80                 elseif at == centerwork.top_right
  81                 then
  82                     -- top right
  83                     g.x = wa.x + slaveLwid + mainwid + useless_gap
  84                     g.y = wa.y + useless_gap
  85                     g.width = slaveRwid - 2 * useless_gap
  86                     g.height = slaveThei - useless_gap
  87                 elseif at == centerwork.bottom_left
  88                 then
  89                     -- bottom left
  90                     g.x = wa.x + useless_gap
  91                     g.y = wa.y + slaveThei + useless_gap
  92                     g.width = slaveLwid - 2 * useless_gap
  93                     g.height = slaveBhei - 2 * useless_gap
  94                 elseif at == centerwork.bottom_right
  95                 then
  96                     -- bottom right
  97                     g.x = wa.x + slaveLwid + mainwid + useless_gap
  98                     g.y = wa.y + slaveThei + useless_gap
  99                     g.width = slaveRwid - 2 * useless_gap
 100                     g.height = slaveBhei - 2 * useless_gap
 101                 end
 102
 103                 c:geometry(g)
 104
 105                 at = at + 1
 106             end
 107
 108             -- Set remaining clients to floating.
 109             for i = (#cls - 1 - 4),1,-1
 110             do
 111                 c = cls[i]
 112                 awful.client.floating.set(c, true)
 113             end
 114         end
 115     end
 116 end
 117
 118 return centerwork