]> 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:

Aux window navigation in centerwork using default key bindings now makes even more...
[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 volu == nil then
131             volu = 0
132             mute = "off"
133         end
134
135         alsabar._current_level = tonumber(volu)
136         alsabar.bar:set_value(alsabar._current_level / 100)
137         if not mute and tonumber(volu) == 0 or mute == "off"
138         then
139             alsabar._muted = true
140             alsabar.tooltip:set_text (" [Muted] ")
141             alsabar.bar:set_color(alsabar.colors.mute)
142         else
143             alsabar._muted = false
144             alsabar.tooltip:set_text(string.format(" %s:%s ", alsabar.channel, volu))
145             alsabar.bar:set_color(alsabar.colors.unmute)
146         end
147
148         volume_now = {}
149         volume_now.level = tonumber(volu)
150         volume_now.status = mute
151         settings()
152     end
153
154     alsabar.bar:buttons (awful.util.table.join (
155           awful.button ({}, 1, function()
156             awful.util.spawn(alsabar.mixer)
157           end),
158           awful.button ({}, 3, function()
159             awful.util.spawn(string.format("%s set %s toggle", alsabar.cmd, alsabar.channel))
160             alsabar.update()
161           end),
162           awful.button ({}, 4, function()
163             awful.util.spawn(string.format("%s set %s %s+", alsabar.cmd, alsabar.channel, alsabar.step))
164             alsabar.update()
165           end),
166           awful.button ({}, 5, function()
167             awful.util.spawn(string.format("%s set %s %s-", alsabar.cmd, alsabar.channel, alsabar.step))
168             alsabar.update()
169           end)
170     ))
171
172     timer_id = string.format("alsabar-%s-%s", alsabar.cmd, alsabar.channel)
173
174     newtimer(timer_id, timeout, alsabar.update)
175
176     return alsabar
177 end
178
179 return setmetatable(alsabar, { __call = function(_, ...) return worker(...) end })