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_right    = 0,
  20     bottom_right = 1,
  21     bottom_left  = 2,
  22     top_left     = 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     -- Screen.
  36     local wa = p.workarea
  37     local cls = p.clients
  38
  39     -- Borders are factored in.
  40     wa.height = wa.height - (global_border * 2)
  41     wa.width = wa.width - (global_border * 2)
  42
  43     -- Width of main column?
  44     local t = awful.tag.selected(p.screen)
  45     local mwfact = awful.tag.getmwfact(t)
  46
  47     if #cls > 0
  48     then
  49         -- Main column, fixed width and height.
  50         local c = cls[1]
  51         local g = {}
  52         local mainwid = math.floor(wa.width * mwfact)
  53         local slavewid = wa.width - mainwid
  54         local slaveLwid = math.floor(slavewid / 2)
  55         local slaveRwid = slavewid - slaveLwid
  56         local slaveThei = math.floor(wa.height / 2)
  57         local slaveBhei = wa.height - slaveThei
  58
  59         g.height = wa.height - 2*useless_gap - 2*c.border_width
  60         g.width = mainwid - 2*c.border_width
  61         g.x = wa.x + slaveLwid + global_border
  62         g.y = wa.y + useless_gap + global_border
  63
  64         c:geometry(g)
  65
  66         -- Auxiliary windows.
  67         if #cls > 1
  68         then
  69             local at = 0
  70             for i = 2,#cls
  71             do
  72                 -- It's all fixed. If there are more than 5 clients,
  73                 -- those additional clients will float. This is
  74                 -- intentional.
  75                 if at == 4
  76                 then
  77                     break
  78                 end
  79
  80                 c = cls[i]
  81                 g = {}
  82
  83                 if i - 2 == centerwork.top_left
  84                 then
  85                     -- top left
  86                     g.x = wa.x + useless_gap + global_border
  87                     g.y = wa.y + useless_gap + global_border
  88                     g.width = slaveLwid - 2*useless_gap - 2*c.border_width
  89                     g.height = slaveThei - useless_gap - 2*c.border_width
  90                 elseif i - 2 == centerwork.top_right
  91                 then
  92                     -- top right
  93                     g.x = wa.x + slaveLwid + mainwid + useless_gap + global_border
  94                     g.y = wa.y + useless_gap + global_border
  95                     g.width = slaveRwid - 2*useless_gap - 2*c.border_width
  96                     g.height = slaveThei - useless_gap - 2*c.border_width
  97                 elseif i - 2 == centerwork.bottom_left
  98                 then
  99                     -- bottom left
 100                     g.x = wa.x + useless_gap + global_border
 101                     g.y = wa.y + slaveThei + useless_gap + global_border
 102                     g.width = slaveLwid - 2*useless_gap - 2*c.border_width
 103                     g.height = slaveBhei - 2*useless_gap - 2*c.border_width
 104                 elseif i - 2 == centerwork.bottom_right
 105                 then
 106                     -- bottom right
 107                     g.x = wa.x + slaveLwid + mainwid + useless_gap + global_border
 108                     g.y = wa.y + slaveThei + useless_gap + global_border
 109                     g.width = slaveRwid - 2*useless_gap - 2*c.border_width
 110                     g.height = slaveBhei - 2*useless_gap - 2*c.border_width
 111                 end
 112
 113                 c:geometry(g)
 114
 115                 at = at + 1
 116             end
 117
 118             -- Set remaining clients to floating.
 119             for i = (#cls - 1 - 4),1,-1
 120             do
 121                 c = cls[i]
 122                 awful.client.floating.set(c, true)
 123             end
 124         end
 125     end
 126 end
 127
 128 return centerwork