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awesome-copycats issue #16 fix
[etc/awesome.git] / 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