layout/centerwork.lua

   1
   2 --[[
   3
   4      Licensed under GNU General Public License v2
   5       * (c) 2014,      projektile
   6       * (c) 2013,      Luke Bonham
   7       * (c) 2010-2012, Peter Hofmann
   8
   9 --]]
  10
  11 local awful     = require("awful")
  12 local beautiful = require("beautiful")
  13 local tonumber  = tonumber
  14 local math      = { floor = math.floor }
  15
  16 local centerwork =
  17 {
  18     name         = "centerwork",
  19     top_left     = 0,
  20     top_right    = 1,
  21     bottom_left  = 2,
  22     bottom_right = 3
  23 }
  24
  25 function centerwork.arrange(p)
  26     -- A useless gap (like the dwm patch) can be defined with
  27     -- beautiful.useless_gap_width .
  28     local useless_gap = tonumber(beautiful.useless_gap_width) or 0
  29
  30     -- A global border can be defined with
  31     -- beautiful.global_border_width
  32     local global_border = tonumber(beautiful.global_border_width) or 0
  33     if global_border < 0 then global_border = 0 end
  34
  35     -- Themes border width requires an offset
  36     local bw = tonumber(beautiful.border_width) or 0
  37
  38     -- Screen.
  39     local wa = p.workarea
  40     local cls = p.clients
  41
  42     -- Borders are factored in.
  43     wa.height = wa.height - ((global_border * 2) + (bw * 2))
  44     wa.width = wa.width - ((global_border * 2) + (bw * 2))
  45
  46     -- Width of main column?
  47     local t = awful.tag.selected(p.screen)
  48     local mwfact = awful.tag.getmwfact(t)
  49
  50     if #cls > 0
  51     then
  52         -- Main column, fixed width and height.
  53         local c = cls[#cls]
  54         local g = {}
  55         local mainwid = math.floor(wa.width * mwfact)
  56         local slavewid = wa.width - mainwid
  57         local slaveLwid = math.floor(slavewid / 2)
  58         local slaveRwid = slavewid - slaveLwid
  59         local slaveThei = math.floor(wa.height / 2)
  60         local slaveBhei = wa.height - slaveThei
  61
  62         g.height = wa.height - 2 * useless_gap
  63         g.width = mainwid
  64         g.x = wa.x + slaveLwid + global_border
  65         g.y = wa.y + useless_gap + global_border
  66
  67         c:geometry(g)
  68
  69         -- Auxiliary windows.
  70         if #cls > 1
  71         then
  72             local at = 0
  73             for i = (#cls - 1),1,-1
  74             do
  75                 -- It's all fixed. If there are more than 5 clients,
  76                 -- those additional clients will float. This is
  77                 -- intentional.
  78                 if at == 4
  79                 then
  80                     break
  81                 end
  82
  83                 c = cls[i]
  84                 g = {}
  85
  86                 if at == centerwork.top_left
  87                 then
  88                     -- top left
  89                     g.x = wa.x + useless_gap + global_border
  90                     g.y = wa.y + useless_gap + global_border
  91                     g.width = slaveLwid - 2 * useless_gap
  92                     g.height = slaveThei - useless_gap
  93                 elseif at == centerwork.top_right
  94                 then
  95                     -- top right
  96                     g.x = wa.x + slaveLwid + mainwid + useless_gap + global_border
  97                     g.y = wa.y + useless_gap + global_border
  98                     g.width = slaveRwid - 2 * useless_gap
  99                     g.height = slaveThei - useless_gap
 100                 elseif at == centerwork.bottom_left
 101                 then
 102                     -- bottom left
 103                     g.x = wa.x + useless_gap + global_border
 104                     g.y = wa.y + slaveThei + useless_gap + global_border
 105                     g.width = slaveLwid - 2 * useless_gap
 106                     g.height = slaveBhei - 2 * useless_gap
 107                 elseif at == centerwork.bottom_right
 108                 then
 109                     -- bottom right
 110                     g.x = wa.x + slaveLwid + mainwid + useless_gap + global_border
 111                     g.y = wa.y + slaveThei + useless_gap + global_border
 112                     g.width = slaveRwid - 2 * useless_gap
 113                     g.height = slaveBhei - 2 * useless_gap
 114                 end
 115
 116                 c:geometry(g)
 117
 118                 at = at + 1
 119             end
 120
 121             -- Set remaining clients to floating.
 122             for i = (#cls - 1 - 4),1,-1
 123             do
 124                 c = cls[i]
 125                 awful.client.floating.set(c, true)
 126             end
 127         end
 128     end
 129 end
 130
 131 return centerwork