]> git.madduck.net Git - etc/awesome.git/blob - widget/pulsebar.lua

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

83bfe5e43407577a2b766a68886f3e7b4601d4ee
[etc/awesome.git] / widget / pulsebar.lua
1
2 --[[
3                                                   
4      Licensed under GNU General Public License v2 
5       * (c) 2013, Luke Bonham                     
6       * (c) 2013, Rman                            
7                                                   
8 --]]
9
10 local helpers        = require("lain.helpers")
11 local awful          = require("awful")
12 local naughty        = require("naughty")
13 local wibox          = require("wibox")
14 local math           = { modf   = math.modf }
15 local string         = { format = string.format,
16                          match  = string.match,
17                          gmatch = string.gmatch,
18                          rep    = string.rep }
19 local type, tonumber = type, tonumber
20
21 -- Pulseaudio volume bar
22 -- lain.widget.pulsebar
23
24 local function factory(args)
25     local pulsebar = {
26         colors = {
27             background = "#000000",
28             mute       = "#EB8F8F",
29             unmute     = "#A4CE8A"
30         },
31
32         _current_level = 0,
33         _mute          = "no",
34     }
35
36     local args       = args or {}
37     local timeout    = args.timeout or 5
38     local settings   = args.settings or function() end
39     local width      = args.width or 63
40     local height     = args.heigth or 1
41     local ticks      = args.ticks or false
42     local ticks_size = args.ticks_size or 7
43     local scallback  = args.scallback
44
45     pulsebar.cmd                 = args.cmd or "pacmd list-sinks | sed -n -e '0,/*/d' -e '/base volume/d' -e '/volume:/p' -e '/muted:/p' -e '/device\\.string/p'"
46     pulsebar.sink                = args.sink or 0
47     pulsebar.colors              = args.colors or pulsebar.colors
48     pulsebar.followtag           = args.followtag or false
49     pulsebar.notification_preset = args.notification_preset
50     pulsebar.device              = "N/A"
51
52     if not pulsebar.notification_preset then
53         pulsebar.notification_preset      = {}
54         pulsebar.notification_preset.font = "Monospace 10"
55     end
56
57     pulsebar.bar = wibox.widget {
58         forced_height    = height,
59         forced_width     = width,
60         color            = pulsebar.colors.unmute,
61         background_color = pulsebar.colors.background,
62         margins          = 1,
63         paddings         = 1,
64         ticks            = ticks,
65         ticks_size       = ticks_size,
66         widget           = wibox.widget.progressbar,
67     }
68
69     pulsebar.tooltip = awful.tooltip({ objects = { pulsebar.bar } })
70
71     function pulsebar.update(callback)
72         if scallback then pulsebar.cmd = scallback() end
73
74         helpers.async({ awful.util.shell, "-c", pulsebar.cmd }, function(s)
75             volume_now = {
76                 index = string.match(s, "index: (%S+)") or "N/A",
77                 sink  = string.match(s, "device.string = \"(%S+)\"") or "N/A",
78                 muted = string.match(s, "muted: (%S+)") or "N/A"
79             }
80
81             pulsebar.device = volume_now.index
82
83             local ch = 1
84             volume_now.channel = {}
85             for v in string.gmatch(s, ":.-(%d+)%%") do
86               volume_now.channel[ch] = v
87               ch = ch + 1
88             end
89
90             volume_now.left  = volume_now.channel[1] or "N/A"
91             volume_now.right = volume_now.channel[2] or "N/A"
92
93             local volu = volume_now.left
94             local mute = volume_now.muted
95
96             if volu:match("N/A") or mute:match("N/A") then return end
97
98             if volu ~= pulsebar._current_level or mute ~= pulsebar._mute then
99                 pulsebar._current_level = tonumber(volu)
100                 pulsebar.bar:set_value(pulsebar._current_level / 100)
101                 if pulsebar._current_level == 0 or mute == "yes" then
102                     pulsebar._mute = mute
103                     pulsebar.tooltip:set_text ("[Muted]")
104                     pulsebar.bar.color = pulsebar.colors.mute
105                 else
106                     pulsebar._mute = "no"
107                     pulsebar.tooltip:set_text(string.format("%s: %s", pulsebar.sink, volu))
108                     pulsebar.bar.color = pulsebar.colors.unmute
109                 end
110
111                 settings()
112
113                 if type(callback) == "function" then callback() end
114             end
115         end)
116     end
117
118     function pulsebar.notify()
119         pulsebar.update(function()
120             local preset = pulsebar.notification_preset
121             
122             preset.title = string.format("Sink %s - %s%%", pulsebar.sink, pulsebar._current_level)
123
124             if pulsebar._mute == "yes" then
125                 preset.title = preset.title .. " Muted"
126             end
127
128             int = math.modf((pulsebar._current_level / 100) * awful.screen.focused().mywibox.height)
129             preset.text = string.format("[%s%s]", string.rep("|", int),
130                           string.rep(" ", awful.screen.focused().mywibox.height - int))
131
132             if pulsebar.followtag then preset.screen = awful.screen.focused() end
133
134             if not pulsebar.notification then
135                 pulsebar.notification = naughty.notify {
136                     preset  = preset,
137                     destroy = function() pulsebar.notification = nil end
138                 }
139             else
140                 naughty.replace_text(pulsebar.notification, preset.title, preset.text)
141             end
142         end)
143     end
144
145     helpers.newtimer(string.format("pulsebar-%s", pulsebar.sink), timeout, pulsebar.update)
146
147     return pulsebar
148 end
149
150 return factory