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no need to set naughty.config.defaults as preset, because it's implicit; closes #290
[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     if not calendar.notification then return end
24     naughty.destroy(calendar.notification)
25     calendar.notification = nil
26 end
27
28 function calendar.show(t_out, inc_offset, scr)
29     calendar.hide()
30
31     local today = os.date("%d")
32     local offs = inc_offset or 0
33     local f
34
35     calendar.offset = calendar.offset + offs
36
37     local current_month = (offs == 0 or calendar.offset == 0)
38
39     if current_month then -- today highlighted
40         calendar.offset = 0
41         calendar.notify_icon = string.format("%s%s.png", calendar.icons, today)
42         f = calendar.cal
43     else -- no current month showing, no day to highlight
44        local month = tonumber(os.date("%m"))
45        local year  = tonumber(os.date("%Y"))
46
47        month = month + calendar.offset
48
49        while month > 12 do
50            month = month - 12
51            year = year + 1
52        end
53
54        while month < 1 do
55            month = month + 12
56            year = year - 1
57        end
58
59        calendar.notify_icon = nil
60        f = string.format("%s %s %s", calendar.cal, month, year)
61     end
62
63     if calendar.followtag then
64         calendar.notification_preset.screen = awful.screen.focused()
65     else
66         calendar.notification_preset.screen = src or 1
67     end
68
69     helpers.async(f, function(ws)
70         fg, bg = calendar.notification_preset.fg, calendar.notification_preset.bg
71         ws = ws:gsub("%c%[%d+[m]?%d+%c%[%d+[m]?", markup.bold(markup.color(bg, fg, today)))
72         calendar.notification = naughty.notify({
73             preset  = calendar.notification_preset,
74             text    = ws:gsub("\n*$", ""),
75             icon    = calendar.notify_icon,
76             timeout = t_out or calendar.notification.preset.timeout or 5
77         })
78     end)
79 end
80
81 function calendar.attach(widget, args)
82     local args                   = args or {}
83     calendar.cal                 = args.cal or "/usr/bin/cal --color=always"
84     calendar.followtag           = args.followtag or false
85     calendar.icons               = args.icons or helpers.icons_dir .. "cal/white/"
86     calendar.notification_preset = args.notification_preset
87
88     if not calendar.notification_preset then
89         calendar.notification_preset = {
90             font = "Monospace 10",
91             fg   = "#FFFFFF",
92             bg   = "#000000"
93         }
94     end
95
96     if widget then
97         widget:connect_signal("mouse::enter", function () calendar.show(0) end)
98         widget:connect_signal("mouse::leave", function () calendar.hide() end)
99         widget:buttons(awful.util.table.join(awful.button({ }, 1, function ()
100                                                  calendar.show(0, -1, calendar.scr_pos) end),
101                                              awful.button({ }, 3, function ()
102                                                  calendar.show(0, 1, calendar.scr_pos) end),
103                                              awful.button({ }, 4, function ()
104                                                  calendar.show(0, -1, calendar.scr_pos) end),
105                                              awful.button({ }, 5, function ()
106                                                  calendar.show(0, 1, calendar.scr_pos) end)))
107     end
108 end
109
110 return calendar