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widgets fix
[etc/awesome.git] / layout / uselesspiral.lua
1
2 --[[
3                                                   
4      Licensed under GNU General Public License v2 
5       * (c) 2013,      Luke Bonham                
6       * (c) 2009       Uli Schlachter             
7       * (c) 2008       Julien Danjolu             
8                                                   
9 --]]
10
11 local beautiful = require("beautiful")
12 local ipairs    = ipairs
13 local tonumber  = tonumber
14
15 local uselesspiral = {}
16
17 local function spiral(p, spiral)
18     -- A useless gap (like the dwm patch) can be defined with
19     -- beautiful.useless_gap_width.
20     local useless_gap = tonumber(beautiful.useless_gap_width)
21     if useless_gap == nil
22     then
23         useless_gap = 0
24     end
25
26     local wa = p.workarea
27     local cls = p.clients
28     local n = #cls
29
30     local static_wa = wa
31
32     for k, c in ipairs(cls) do
33         if k < n then
34             if k % 2 == 0 then
35                 wa.height = wa.height / 2
36             else
37                 wa.width = wa.width / 2
38             end
39         end
40
41         if k % 4 == 0 and spiral then
42             wa.x = wa.x - wa.width
43         elseif k % 2 == 0 or
44             (k % 4 == 3 and k < n and spiral) then
45             wa.x = wa.x + wa.width
46         end
47
48         if k % 4 == 1 and k ~= 1 and spiral then
49             wa.y = wa.y - wa.height
50         elseif k % 2 == 1 and k ~= 1 or
51             (k % 4 == 0 and k < n and spiral) then
52             wa.y = wa.y + wa.height
53         end
54
55             local wa2 = {}
56             wa2.x = wa.x
57             wa2.y = wa.y
58             wa2.height = wa.height
59             wa2.width = wa.width
60
61         -- Useless gap.
62         if useless_gap > 0
63         then
64             -- Top and left clients are shrinked by two steps and
65             -- get moved away from the border. Other clients just
66             -- get shrinked in one direction.
67
68             top = false
69             left = false
70
71             if wa2.y == static_wa.y then
72                  top = true
73             end
74
75             if wa2.x == static_wa.x then
76                  left = true
77             end
78
79             if top then
80                   wa2.height = wa2.height - 2 * useless_gap
81                   wa2.y = wa2.y + useless_gap
82             else
83                   wa2.height = wa2.height - useless_gap
84             end
85
86             if left then
87                   wa2.width = wa2.width - 2 * useless_gap
88                   wa2.x = wa2.x + useless_gap
89             else
90                   wa2.width = wa2.width - useless_gap
91             end
92         end
93         -- End of useless gap.
94
95         c:geometry(wa2)
96     end
97 end
98
99 --- Dwindle layout
100 uselesspiral.dwindle = {}
101 uselesspiral.dwindle.name = "uselessdwindle"
102 function uselesspiral.dwindle.arrange(p)
103     return spiral(p, false)
104 end
105
106 --- Spiral layout
107 uselesspiral.name = "uselesspiral"
108 function uselesspiral.arrange(p)
109     return spiral(p, true)
110 end
111
112 return uselesspiral