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Merge branch 'master' of https://github.com/copycat-killer/lain
[etc/awesome.git] / 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