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[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 helpers      = require("lain.helpers")
10 local markup       = require("lain.util.markup")
11 local awful        = require("awful")
12 local naughty      = require("naughty")
13 local os           = { date   = os.date }
14 local string       = { format = string.format,
15                        gsub   = string.gsub }
16 local tonumber     = tonumber
17
18 -- Calendar notification
19 -- lain.widgets.calendar
20 local calendar = { offset = 0 }
21
22 function calendar.hide()
23     naughty.destroy(naughty.getById(calendar.id))
24 end
25
26 function calendar.show(t_out, inc_offset, scr)
27     calendar.hide()
28
29     local today = os.date("%d")
30     local offs = inc_offset or 0
31     local f
32
33     calendar.offset = calendar.offset + offs
34
35     local current_month = (offs == 0 or calendar.offset == 0)
36
37     if current_month then -- today highlighted
38         calendar.offset = 0
39         calendar.notify_icon = string.format("%s%s.png", calendar.icons, today)
40         f = calendar.cal
41     else -- no current month showing, no day to highlight
42        local month = tonumber(os.date("%m"))
43        local year  = tonumber(os.date("%Y"))
44
45        month = month + calendar.offset
46
47        while month > 12 do
48            month = month - 12
49            year = year + 1
50        end
51
52        while month < 1 do
53            month = month + 12
54            year = year - 1
55        end
56
57        calendar.notify_icon = nil
58        f = string.format("%s %s %s", calendar.cal, month, year)
59     end
60
61     if calendar.followtag then
62         calendar.notification_preset.screen = awful.screen.focused()
63     else
64         calendar.notification_preset.screen = src or 1
65     end
66
67     helpers.async(f, function(ws)
68         fg, bg = calendar.notification_preset.fg, calendar.notification_preset.bg
69         ws = ws:gsub("%c%[%d+[m]?%d+%c%[%d+[m]?", markup.bold(markup.color(bg, fg, today)))
70         calendar.id = naughty.notify({
71             replaces_id = calendar.id,
72             preset      = calendar.notification_preset,
73             text        = ws:gsub("\n*$", ""),
74             icon        = calendar.notify_icon,
75             timeout     = t_out or calendar.notification.preset.timeout or 5
76         }).id
77     end)
78 end
79
80 function calendar.attach(widget, args)
81     local args                   = args or {}
82     calendar.cal                 = args.cal or "/usr/bin/cal --color=always"
83     calendar.followtag           = args.followtag or false
84     calendar.icons               = args.icons or helpers.icons_dir .. "cal/white/"
85     calendar.notification_preset = args.notification_preset
86
87     if not calendar.notification_preset then
88         calendar.notification_preset = {
89             font = "Monospace 10",
90             fg   = "#FFFFFF",
91             bg   = "#000000"
92         }
93     end
94
95     if widget then
96         widget:connect_signal("mouse::enter", function () calendar.show(0) end)
97         widget:connect_signal("mouse::leave", function () calendar.hide() end)
98         widget:buttons(awful.util.table.join(awful.button({ }, 1, function ()
99                                                  calendar.show(0, -1, calendar.scr_pos) end),
100                                              awful.button({ }, 3, function ()
101                                                  calendar.show(0, 1, calendar.scr_pos) end),
102                                              awful.button({ }, 4, function ()
103                                                  calendar.show(0, -1, calendar.scr_pos) end),
104                                              awful.button({ }, 5, function ()
105                                                  calendar.show(0, 1, calendar.scr_pos) end)))
106     end
107 end
108
109 return calendar