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Merge pull request #107 from OlegHahm/floor_smapi
[etc/awesome.git] / widgets / calendar.lua
1
2 --[[
3                                                   
4      Licensed under GNU General Public License v2 
5       * (c) 2013, Luke Bonham                     
6                                                   
7 --]]
8
9 local icons_dir    = require("lain.helpers").icons_dir
10
11 local awful        = require("awful")
12 local beautiful    = require("beautiful")
13 local naughty      = require("naughty")
14
15 local io           = { popen = io.popen }
16 local os           = { date = os.date }
17 local tonumber     = tonumber
18
19 local setmetatable = setmetatable
20
21 -- Calendar notification
22 -- lain.widgets.calendar
23 local calendar = {}
24 local cal_notification = nil
25
26 function calendar:hide()
27     if cal_notification ~= nil then
28         naughty.destroy(cal_notification)
29         cal_notification = nil
30     end
31 end
32
33 function calendar:show(t_out, inc_offset, scr)
34     calendar:hide()
35
36     local offs = inc_offset or 0
37     local tims = t_out or 0
38     local f, c_text
39     local today = tonumber(os.date('%d'))
40     local init_t = calendar.cal .. ' | sed -r -e "s/_\\x08//g" | sed -r -e "s/(^| )('
41
42     calendar.offset = calendar.offset + offs
43
44     if offs == 0 or calendar.offset == 0
45     then -- current month showing, today highlighted
46         calendar.offset = 0
47         calendar.notify_icon = calendar.icons .. today .. ".png"
48
49         -- bg and fg inverted to highlight today
50         f = io.popen( init_t .. today ..
51                       ')($| )/\\1<b><span foreground=\\"'
52                       .. calendar.bg ..
53                       '\\" background=\\"'
54                       .. calendar.fg ..
55                       '\\">\\2<\\/span><\\/b>\\3/"' )
56
57     else -- no current month showing, no day to highlight
58        local month = tonumber(os.date('%m'))
59        local year = tonumber(os.date('%Y'))
60
61        month = month + calendar.offset
62
63        if month > 12 then
64            month = month % 12
65            year = year + 1
66            if month <= 0 then
67                month = 12
68            end
69        elseif month < 1 then
70            month = month + 12
71            year = year - 1
72            if month <= 0 then
73                month = 1
74            end
75        end
76
77        calendar.notify_icon = nil
78
79        f = io.popen(calendar.cal .. ' ' .. month .. ' ' .. year)
80     end
81
82     c_text = "<tt><span font='" .. calendar.font .. " "
83              .. calendar.font_size .. "'><b>"
84              .. f:read() .. "</b>\n\n"
85              .. f:read() .. "\n"
86              .. f:read("*a"):gsub("\n*$", "")
87              .. "</span></tt>"
88     f:close()
89
90     cal_notification = naughty.notify({
91         text = c_text,
92         icon = calendar.notify_icon,
93         position = calendar.position,
94         fg = calendar.fg,
95         bg = calendar.bg,
96         timeout = tims,
97         screen = scr or 1
98     })
99 end
100
101 function calendar:attach(widget, args)
102     local args = args or {}
103     calendar.cal       = args.cal or "/usr/bin/cal"
104     calendar.icons     = args.icons or icons_dir .. "cal/white/"
105     calendar.font      = args.font or beautiful.font:sub(beautiful.font:find(""),
106                          beautiful.font:find(" "))
107     calendar.font_size = tonumber(args.font_size) or 11
108     calendar.fg        = args.fg or beautiful.fg_normal or "#FFFFFF"
109     calendar.bg        = args.bg or beautiful.bg_normal or "#FFFFFF"
110     calendar.position  = args.position or "top_right"
111     calendar.scr_pos   = args.scr_pos or 1
112
113     calendar.offset = 0
114     calendar.notify_icon = nil
115
116     widget:connect_signal("mouse::enter", function () calendar:show(0, 0, scr_pos) end)
117     widget:connect_signal("mouse::leave", function () calendar:hide() end)
118     widget:buttons(awful.util.table.join( awful.button({ }, 1, function ()
119                                               calendar:show(0, -1, scr_pos) end),
120                                           awful.button({ }, 3, function ()
121                                               calendar:show(0, 1, scr_pos) end),
122                                           awful.button({ }, 4, function ()
123                                               calendar:show(0, -1, scr_pos) end),
124                                           awful.button({ }, 5, function ()
125                                               calendar:show(0, 1, scr_pos) end)))
126 end
127
128 return setmetatable(calendar, { __call = function(_, ...) return create(...) end })