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readme updated
[etc/awesome.git] / util / separators.lua
1 --[[
2
3      Licensed under GNU General Public License v2
4       * (c) 2015, Luca CPZ
5       * (c) 2015, plotnikovanton
6
7 --]]
8
9 local wibox = require("wibox")
10 local gears = require("gears")
11
12 -- Lain Cairo separators util submodule
13 -- lain.util.separators
14 local separators = { height = 0, width = 9 }
15
16 -- [[ Arrow
17
18 -- Right
19 function separators.arrow_right(col1, col2)
20     local widget = wibox.widget.base.make_widget()
21     widget.col1 = col1
22     widget.col2 = col2
23
24     widget.fit = function(m, w, h)
25         return separators.width, separators.height
26     end
27
28     widget.update = function(col1, col2)
29         widget.col1 = col1
30         widget.col2 = col2
31         widget:emit_signal("widget::redraw_needed")
32     end
33
34     widget.draw = function(mycross, wibox, cr, width, height)
35         if widget.col2 ~= "alpha" then
36             cr:set_source_rgb(gears.color.parse_color(widget.col2))
37             cr:new_path()
38             cr:move_to(0, 0)
39             cr:line_to(width, height/2)
40             cr:line_to(width, 0)
41             cr:close_path()
42             cr:fill()
43
44             cr:new_path()
45             cr:move_to(0, height)
46             cr:line_to(width, height/2)
47             cr:line_to(width, height)
48             cr:close_path()
49             cr:fill()
50         end
51
52         if widget.col1 ~= "alpha" then
53             cr:set_source_rgb(gears.color.parse_color(widget.col1))
54             cr:new_path()
55             cr:move_to(0, 0)
56             cr:line_to(width, height/2)
57             cr:line_to(0, height)
58             cr:close_path()
59             cr:fill()
60         end
61    end
62
63    return widget
64 end
65
66 -- Left
67 function separators.arrow_left(col1, col2)
68     local widget = wibox.widget.base.make_widget()
69     widget.col1 = col1
70     widget.col2 = col2
71
72     widget.fit = function(m, w, h)
73         return separators.width, separators.height
74     end
75
76     widget.update = function(col1, col2)
77         widget.col1 = col1
78         widget.col2 = col2
79         widget:emit_signal("widget::redraw_needed")
80     end
81
82     widget.draw = function(mycross, wibox, cr, width, height)
83         if widget.col1 ~= "alpha" then
84             cr:set_source_rgb(gears.color.parse_color(widget.col1))
85             cr:new_path()
86             cr:move_to(width, 0)
87             cr:line_to(0, height/2)
88             cr:line_to(0, 0)
89             cr:close_path()
90             cr:fill()
91
92             cr:new_path()
93             cr:move_to(width, height)
94             cr:line_to(0, height/2)
95             cr:line_to(0, height)
96             cr:close_path()
97             cr:fill()
98         end
99
100         if widget.col2 ~= "alpha" then
101             cr:new_path()
102             cr:move_to(width, 0)
103             cr:line_to(0, height/2)
104             cr:line_to(width, height)
105             cr:close_path()
106
107             cr:set_source_rgb(gears.color.parse_color(widget.col2))
108             cr:fill()
109         end
110    end
111
112    return widget
113 end
114
115 -- ]]
116
117 return separators