]> 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:

Fixed initial state where alsa.update may never be called
[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 local read_pipe    = require("lain.helpers").read_pipe
12
13 local awful        = require("awful")
14 local beautiful    = require("beautiful")
15 local naughty      = require("naughty")
16
17 local math         = { modf   = math.modf }
18 local mouse        = mouse
19 local string       = { format = string.format,
20                        match  = string.match,
21                        rep    = string.rep }
22 local tonumber     = tonumber
23
24 local setmetatable = setmetatable
25
26 -- ALSA volume bar
27 -- lain.widgets.alsabar
28 local alsabar = {
29     channel = "Master",
30     step    = "2%",
31
32     colors = {
33         background = beautiful.bg_normal,
34         mute       = "#EB8F8F",
35         unmute     = "#A4CE8A"
36     },
37
38     terminal = terminal or "xterm",
39     mixer    = terminal .. " -e alsamixer",
40
41     notifications = {
42         font      = beautiful.font:sub(beautiful.font:find(""), beautiful.font:find(" ")),
43         font_size = "11",
44         color     = beautiful.fg_normal,
45         bar_size  = 18,
46         screen    = 1
47     },
48
49     _current_level = 0,
50     _muted         = false
51 }
52
53 function alsabar.notify()
54     alsabar.update()
55
56     local preset = {
57         title   = "",
58         text    = "",
59         timeout = 5,
60         screen  = alsabar.notifications.screen,
61         font    = alsabar.notifications.font .. " " ..
62                   alsabar.notifications.font_size,
63         fg      = alsabar.notifications.color
64     }
65
66     if alsabar._muted
67     then
68         preset.title = alsabar.channel .. " - Muted"
69     else
70         preset.title = alsabar.channel .. " - " .. alsabar._current_level .. "%"
71     end
72
73     int = math.modf((alsabar._current_level / 100) * alsabar.notifications.bar_size)
74     preset.text = "["
75                 .. string.rep("|", int)
76                 .. string.rep(" ", alsabar.notifications.bar_size - int)
77                 .. "]"
78
79     if alsabar.followmouse then
80         preset.screen = mouse.screen
81     end
82
83     if alsabar._notify ~= nil then
84         alsabar._notify = naughty.notify ({
85             replaces_id = alsabar._notify.id,
86             preset      = preset,
87         })
88     else
89         alsabar._notify = naughty.notify ({
90             preset = preset,
91         })
92     end
93 end
94
95 local function worker(args)
96     local args       = args or {}
97     local timeout    = args.timeout or 5
98     local settings   = args.settings or function() end
99     local width      = args.width or 63
100     local height     = args.heigth or 1
101     local ticks      = args.ticks or false
102     local ticks_size = args.ticks_size or 7
103     local vertical   = args.vertical or false
104
105     alsabar.cmd           = args.cmd or "amixer"
106     alsabar.channel       = args.channel or alsabar.channel
107     alsabar.step          = args.step or alsabar.step
108     alsabar.colors        = args.colors or alsabar.colors
109     alsabar.notifications = args.notifications or alsabar.notifications
110     alsabar.followmouse   = args.followmouse or false
111
112     alsabar.bar = awful.widget.progressbar()
113
114     alsabar.bar:set_background_color(alsabar.colors.background)
115     alsabar.bar:set_color(alsabar.colors.unmute)
116     alsabar.tooltip = awful.tooltip({ objects = { alsabar.bar } })
117     alsabar.bar:set_width(width)
118     alsabar.bar:set_height(height)
119     alsabar.bar:set_ticks(ticks)
120     alsabar.bar:set_ticks_size(ticks_size)
121     alsabar.bar:set_vertical(vertical)
122
123     function alsabar.update()
124         -- Get mixer control contents
125         local mixer = read_pipe(string.format("%s get %s", alsabar.cmd, alsabar.channel))
126
127         -- Capture mixer control state:          [5%] ... ... [on]
128         local volu, mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
129
130         if tonumber(volu) ~= alsabar._current_level or string.match(mute, "on") ~= alsabar._muted
131         then
132             alsabar._current_level = tonumber(volu)
133             alsabar.bar:set_value(alsabar._current_level / 100)
134             if not mute and tonumber(volu) == 0 or mute == "off"
135             then
136                 alsabar._muted = true
137                 alsabar.tooltip:set_text (" [Muted] ")
138                 alsabar.bar:set_color(alsabar.colors.mute)
139             else
140                 alsabar._muted = false
141                 alsabar.tooltip:set_text(string.format(" %s:%s ", alsabar.channel, volu))
142                 alsabar.bar:set_color(alsabar.colors.unmute)
143             end
144
145             volume_now = {}
146             volume_now.level = tonumber(volu)
147             volume_now.status = mute
148             settings()
149         end
150     end
151
152     alsabar.bar:buttons (awful.util.table.join (
153           awful.button ({}, 1, function()
154             awful.util.spawn(alsabar.mixer)
155           end),
156           awful.button ({}, 3, function()
157             awful.util.spawn(string.format("%s set %s toggle", alsabar.cmd, alsabar.channel))
158             alsabar.update()
159           end),
160           awful.button ({}, 4, function()
161             awful.util.spawn(string.format("%s set %s %s+", alsabar.cmd, alsabar.channel, alsabar.step))
162             alsabar.update()
163           end),
164           awful.button ({}, 5, function()
165             awful.util.spawn(string.format("%s set %s %s-", alsabar.cmd, alsabar.channel, alsabar.step))
166             alsabar.update()
167           end)
168     ))
169
170     timer_id = string.format("alsabar-%s-%s", alsabar.cmd, alsabar.channel)
171
172     newtimer(timer_id, timeout, alsabar.update)
173
174     return alsabar
175 end
176
177 return setmetatable(alsabar, { __call = function(_, ...) return worker(...) end })