]> 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:

eec3428f175124af6bce56a721b9681a9762dc98
[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    = "1%",
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.togglechannel = args.togglechannel
108     alsabar.step          = args.step or alsabar.step
109     alsabar.colors        = args.colors or alsabar.colors
110     alsabar.notifications = args.notifications or alsabar.notifications
111     alsabar.followmouse   = args.followmouse or false
112
113     alsabar.bar = awful.widget.progressbar()
114
115     alsabar.bar:set_background_color(alsabar.colors.background)
116     alsabar.bar:set_color(alsabar.colors.unmute)
117     alsabar.tooltip = awful.tooltip({ objects = { alsabar.bar } })
118     alsabar.bar:set_width(width)
119     alsabar.bar:set_height(height)
120     alsabar.bar:set_ticks(ticks)
121     alsabar.bar:set_ticks_size(ticks_size)
122     alsabar.bar:set_vertical(vertical)
123
124     function alsabar.update()
125         -- Get mixer control contents
126         local mixer = read_pipe(string.format("%s get %s", alsabar.cmd, alsabar.channel))
127
128         -- Capture mixer control state:          [5%] ... ... [on]
129         local volu, mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
130
131         -- HDMIs can have a channel different from Master for toggling mute
132         if alsabar.togglechannel then
133             mute = string.match(read_pipe(string.format("%s get %s", alsabar.cmd, alsabar.togglechannel)), "%[(%a+)%]")
134         end
135
136         if (volu and tonumber(volu) ~= alsabar._current_level) or (mute and string.match(mute, "on") ~= alsabar._muted)
137         then
138             alsabar._current_level = tonumber(volu) or alsabar._current_level
139             alsabar.bar:set_value(alsabar._current_level / 100)
140             if not mute and tonumber(volu) == 0 or mute == "off"
141             then
142                 alsabar._muted = true
143                 alsabar.tooltip:set_text (" [Muted] ")
144                 alsabar.bar:set_color(alsabar.colors.mute)
145             else
146                 alsabar._muted = false
147                 alsabar.tooltip:set_text(string.format(" %s:%s ", alsabar.channel, volu))
148                 alsabar.bar:set_color(alsabar.colors.unmute)
149             end
150
151             volume_now = {}
152             volume_now.level = tonumber(volu)
153             volume_now.status = mute
154             settings()
155         end
156     end
157
158     alsabar.bar:buttons (awful.util.table.join (
159           awful.button ({}, 1, function()
160             awful.util.spawn(alsabar.mixer)
161           end),
162           awful.button ({}, 3, function()
163             awful.util.spawn(string.format("%s set %s toggle", alsabar.cmd, alsabar.channel))
164             alsabar.update()
165           end),
166           awful.button ({}, 4, function()
167             awful.util.spawn(string.format("%s set %s %s+", alsabar.cmd, alsabar.channel, alsabar.step))
168             alsabar.update()
169           end),
170           awful.button ({}, 5, function()
171             awful.util.spawn(string.format("%s set %s %s-", alsabar.cmd, alsabar.channel, alsabar.step))
172             alsabar.update()
173           end)
174     ))
175
176     timer_id = string.format("alsabar-%s-%s", alsabar.cmd, alsabar.channel)
177
178     newtimer(timer_id, timeout, alsabar.update)
179
180     return alsabar
181 end
182
183 return setmetatable(alsabar, { __call = function(_, ...) return worker(...) end })