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     wa.x = wa.x + global_border
  43     wa.y = wa.y + global_border
  44
  45     -- Width of main column?
  46     local t = awful.tag.selected(p.screen)
  47     local mwfact = awful.tag.getmwfact(t)
  48
  49     if #cls > 0
  50     then
  51         -- Main column, fixed width and height.
  52         local c = cls[1]
  53         local g = {}
  54         local mainwid = math.floor(wa.width * mwfact)
  55         local slavewid = wa.width - mainwid
  56         local slaveLwid = math.floor(slavewid / 2)
  57         local slaveRwid = slavewid - slaveLwid
  58         local slaveThei = math.floor(wa.height / 2)
  59         local slaveBhei = wa.height - slaveThei
  60         local Thalfgap = math.floor(useless_gap / 2)
  61         local Bhalfgap = useless_gap - Thalfgap
  62
  63         g.height = wa.height - 2*useless_gap - 2*c.border_width
  64         g.width = mainwid - 2*c.border_width
  65         g.x = wa.x + slaveLwid
  66         g.y = wa.y + useless_gap
  67
  68         if g.width < 1 then g.width = 1 end
  69         if g.height < 1 then g.height = 1 end
  70         c:geometry(g)
  71
  72         -- Auxiliary windows.
  73         if #cls > 1
  74         then
  75             local at = 0
  76             for i = 2,#cls
  77             do
  78                 -- It's all fixed. If there are more than 5 clients,
  79                 -- those additional clients will float. This is
  80                 -- intentional.
  81                 if at == 4
  82                 then
  83                     break
  84                 end
  85
  86                 c = cls[i]
  87                 g = {}
  88
  89                 if i - 2 == centerwork.top_left
  90                 then
  91                     -- top left
  92                     g.x = wa.x + useless_gap
  93                     g.y = wa.y + useless_gap
  94                     g.width = slaveLwid - 2*useless_gap - 2*c.border_width
  95                     g.height = slaveThei - useless_gap - Thalfgap - 2*c.border_width
  96                 elseif i - 2 == centerwork.top_right
  97                 then
  98                     -- top right
  99                     g.x = wa.x + slaveLwid + mainwid + useless_gap
 100                     g.y = wa.y + useless_gap
 101                     g.width = slaveRwid - 2*useless_gap - 2*c.border_width
 102                     g.height = slaveThei - useless_gap - Thalfgap - 2*c.border_width
 103                 elseif i - 2 == centerwork.bottom_left
 104                 then
 105                     -- bottom left
 106                     g.x = wa.x + useless_gap
 107                     g.y = wa.y + slaveThei + Bhalfgap
 108                     g.width = slaveLwid - 2*useless_gap - 2*c.border_width
 109                     g.height = slaveBhei - useless_gap - Bhalfgap - 2*c.border_width
 110                 elseif i - 2 == centerwork.bottom_right
 111                 then
 112                     -- bottom right
 113                     g.x = wa.x + slaveLwid + mainwid + useless_gap
 114                     g.y = wa.y + slaveThei + Bhalfgap
 115                     g.width = slaveRwid - 2*useless_gap - 2*c.border_width
 116                     g.height = slaveBhei - useless_gap - Bhalfgap - 2*c.border_width
 117                 end
 118
 119                 if g.width < 1 then g.width = 1 end
 120                 if g.height < 1 then g.height = 1 end
 121                 c:geometry(g)
 122
 123                 at = at + 1
 124             end
 125
 126             -- Set remaining clients to floating.
 127             for i = (#cls - 1 - 4),1,-1
 128             do
 129                 c = cls[i]
 130                 awful.client.floating.set(c, true)
 131             end
 132         end
 133     end
 134 end
 135
 136 return centerwork