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layout: deprecations removed; submodule compacted
[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 string       = { format = string.format,
18                        sub    = string.sub,
19                        gsub   = string.gsub }
20 local tonumber     = tonumber
21
22 local setmetatable = setmetatable
23
24 -- Calendar notification
25 -- lain.widgets.calendar
26 local calendar = {}
27 local cal_notification = nil
28
29 function calendar.hide()
30     if cal_notification ~= nil then
31         naughty.destroy(cal_notification)
32         cal_notification = nil
33     end
34 end
35
36 function calendar.show(t_out, inc_offset, scr)
37     calendar.hide()
38
39     local f, c_text
40     local offs  = inc_offset or 0
41     local tims  = t_out or 0
42     local today = tonumber(os.date('%d'))
43
44     calendar.offset = calendar.offset + offs
45
46     if offs == 0 or calendar.offset == 0
47     then -- current month showing, today highlighted
48         calendar.offset = 0
49         calendar.notify_icon = string.format("%s%s.png", calendar.icons, today)
50
51         -- bg and fg inverted to highlight today
52         f = io.popen(calendar.cal_format(today))
53     else -- no current month showing, no day to highlight
54        local month = tonumber(os.date('%m'))
55        local year  = tonumber(os.date('%Y'))
56
57        month = month + calendar.offset
58
59        while month > 12 do
60            month = month - 12
61            year = year + 1
62        end
63
64        while month < 1 do
65            month = month + 12
66            year = year - 1
67        end
68
69        calendar.notify_icon = nil
70        f = io.popen(string.format('%s %s %s', calendar.cal, month, year))
71     end
72
73     c_text = "<tt><span font='" .. calendar.font .. " "
74              .. calendar.font_size .. "'><b>"
75              .. f:read() .. "</b>\n\n"
76              .. f:read() .. "\n"
77              .. f:read("*all"):gsub("\n*$", "")
78              .. "</span></tt>"
79     f:close()
80
81     if calendar.followtag then
82         scrp = awful.screen.focused()
83     else
84         scrp = scr or calendar.scr_pos
85     end
86
87     cal_notification = naughty.notify({
88         text = c_text,
89         icon = calendar.notify_icon,
90         position = calendar.position,
91         fg = calendar.fg,
92         bg = calendar.bg,
93         timeout = tims,
94         screen = scrp
95     })
96 end
97
98 function calendar.attach(widget, args)
99     local args = args or {}
100
101     calendar.cal         = args.cal or "/usr/bin/cal"
102     calendar.cal_format  = args.cal_format or function(today)
103         return string.format("%s | sed -r -e 's/_\\x08//g' -e '0,/(^| )%d($| )/ s/(^| )%d($| )/\\1<b><span foreground=\"%s\" background=\"%s\">%d<\\/span><\\/b>\\2/'",
104                              calendar.cal, today, today, calendar.bg, calendar.fg, today)
105     end
106     calendar.icons       = args.icons or icons_dir .. "cal/white/"
107     calendar.font        = args.font or beautiful.font:gsub(" %d.*", "")
108     calendar.font_size   = tonumber(args.font_size) or 11
109     calendar.fg          = args.fg or beautiful.fg_normal or "#FFFFFF"
110     calendar.bg          = args.bg or beautiful.bg_normal or "#000000"
111     calendar.position    = args.position or "top_right"
112     calendar.scr_pos     = args.scr_pos or 1
113     calendar.followtag   = args.followtag or false
114
115     calendar.offset      = 0
116     calendar.notify_icon = nil
117
118     widget:connect_signal("mouse::enter", function () calendar.show(0, 0, calendar.scr_pos) end)
119     widget:connect_signal("mouse::leave", function () calendar.hide() end)
120     widget:buttons(awful.util.table.join(awful.button({ }, 1, function ()
121                                              calendar.show(0, -1, calendar.scr_pos) end),
122                                          awful.button({ }, 3, function ()
123                                              calendar.show(0, 1, calendar.scr_pos) end),
124                                          awful.button({ }, 4, function ()
125                                              calendar.show(0, -1, calendar.scr_pos) end),
126                                          awful.button({ }, 5, function ()
127                                              calendar.show(0, 1, calendar.scr_pos) end)))
128 end
129
130 return setmetatable(calendar, { __call = function(_, ...) return create(...) end })