]> git.madduck.net Git - etc/awesome.git/blob - widgets/alsabar.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:

wiki: some typos fixed
[etc/awesome.git] / widgets / alsabar.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 newtimer     = require("lain.helpers").newtimer
11
12 local awful        = require("awful")
13 local beautiful    = require("beautiful")
14 local naughty      = require("naughty")
15
16 local io           = { popen  = io.popen }
17 local math         = { modf   = math.modf }
18 local string       = { format = string.format,
19                        match  = string.match,
20                        rep    = string.rep }
21 local tonumber     = tonumber
22
23 local setmetatable = setmetatable
24
25 -- ALSA volume bar
26 -- lain.widgets.alsabar
27 local alsabar =
28 {
29   channel = "Master",
30   step    = "5%",
31
32   colors =
33   {
34      background = beautiful.bg_normal,
35      mute       = "#EB8F8F",
36      unmute     = "#A4CE8A"
37   },
38
39   terminal = terminal or "xterm",
40   mixer    = terminal .. " -e alsamixer",
41
42   notifications =
43   {
44      font      = beautiful.font:sub(beautiful.font:find(""), beautiful.font:find(" ")),
45      font_size = "11",
46      color     = beautiful.fg_normal,
47      bar_size  = 18
48   },
49
50   _current_level = 0,
51   _muted         = false
52 }
53
54 function alsabar.notify()
55   alsabar.update()
56
57         local preset =
58         {
59       title   = "",
60       text    = "",
61       timeout = 4,
62       font    = alsabar.notifications.font .. " " ..
63                 alsabar.notifications.font_size,
64       fg      = alsabar.notifications.color
65         }
66
67         if alsabar._muted
68   then
69                 preset.title = alsabar.channel .. " - Muted"
70         else
71                 preset.title = alsabar.channel .. " - " .. alsabar._current_level * 100 .. "%"
72         end
73
74   int = math.modf(alsabar._current_level * alsabar.notifications.bar_size)
75   preset.text = "["
76                 .. string.rep("|", int)
77                 .. string.rep(" ", alsabar.notifications.bar_size - int)
78                 .. "]"
79
80   if alsabar._notify ~= nil then
81                 alsabar._notify = naughty.notify ({
82         replaces_id = alsabar._notify.id,
83                           preset      = preset
84     })
85         else
86                 alsabar._notify = naughty.notify ({
87         preset = preset
88     })
89         end
90 end
91
92 local function worker(args)
93     local args = args or {}
94     local timeout = args.timeout or 4
95     local settings = args.settings or function() end
96     local width = args.width or 63
97     local height = args.heigth or 1
98     local ticks = args.ticks or true
99     local ticks_size = args.ticks_size or 7
100     local vertical = args.vertical or false
101
102     alsabar.channel = args.channel or alsabar.channel
103     alsabar.step = args.step or alsabar.step
104     alsabar.colors = args.colors or alsabar.colors
105     alsabar.notifications = args.notifications or alsabar.notifications
106
107     alsabar.bar = awful.widget.progressbar()
108
109     alsabar.bar:set_background_color(alsabar.colors.background)
110     alsabar.bar:set_color(alsabar.colors.unmute)
111     alsabar.tooltip = awful.tooltip({ objects = { alsabar.bar } })
112     alsabar.bar:set_width(width)
113     alsabar.bar:set_height(height)
114     alsabar.bar:set_ticks(ticks)
115     alsabar.bar:set_ticks_size(ticks_size)
116
117     if vertical then alsabar.bar:set_vertical(true) end
118
119     function alsabar.update()
120         -- Get mixer control contents
121         local f = io.popen("amixer get " .. alsabar.channel)
122         local mixer = f:read("*all")
123         f:close()
124
125         -- Capture mixer control state:          [5%] ... ... [on]
126         local volu, mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
127
128         if volu == nil then
129             volu = 0
130             mute = "off"
131         end
132
133         alsabar._current_level = tonumber(volu) / 100
134         alsabar.bar:set_value(alsabar._current_level)
135
136         if not mute and tonumber(volu) == 0 or mute == "off"
137         then
138             alsabar._muted = true
139             alsabar.tooltip:set_text (" [Muted] ")
140             alsabar.bar:set_color(alsabar.colors.mute)
141         else
142             alsabar._muted = false
143             alsabar.tooltip:set_text(string.format(" %s:%s ", alsabar.channel, volu))
144             alsabar.bar:set_color(alsabar.colors.unmute)
145         end
146
147         volume_now = {}
148         volume_now.level = tonumber(volu)
149         volume_now.status = mute
150         settings()
151     end
152
153     newtimer("alsabar", timeout, alsabar.update)
154
155     alsabar.bar:buttons (awful.util.table.join (
156           awful.button ({}, 1, function()
157             awful.util.spawn(alsabar.mixer)
158           end),
159           awful.button ({}, 3, function()
160             awful.util.spawn(string.format("amixer set %s toggle", alsabar.channel))
161             alsabar.update()
162           end),
163           awful.button ({}, 4, function()
164             awful.util.spawn(string.format("amixer set %s %s+", alsabar.channel, alsabar.step))
165             alsabar.update()
166           end),
167           awful.button ({}, 5, function()
168             awful.util.spawn(string.format("amixer set %s %s-", alsabar.channel, alsabar.step))
169             alsabar.update()
170           end)
171     ))
172
173     return alsabar
174 end
175
176 return setmetatable(alsabar, { __call = function(_, ...) return worker(...) end })