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wiki updated
[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_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