]> git.madduck.net Git - etc/awesome.git/blobdiff - widgets/alsa.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:

#263 fix
[etc/awesome.git] / widgets / alsa.lua
index 7c269086a8f9d3d8948255e8a68c919d8af54d90..670765acf826e21ffd8a2454fbb08e1657464186 100644 (file)
 
 --[[
-                                                      
-     Licensed under GNU General Public License v2     
-      * (c) 2013,      Luke Bonham                    
-      * (c) 2010-2012, Peter Hofmann                  
-      * (c) 2010,      Adrian C. <anrxc@sysphere.org> 
-                                                      
+                                                  
+     Licensed under GNU General Public License v2 
+      * (c) 2013, Luke Bonham                     
+      * (c) 2010, Adrian C. <anrxc@sysphere.org>  
+                                                  
 --]]
 
-local markup          = require("lain.util.markup")
-local run_in_terminal = require("lain.helpers").run_in_terminal
+local helpers      = require("lain.helpers")
+local read_pipe    = require("lain.helpers").read_pipe
 
-local awful           = require("awful")
-local beautiful       = require("beautiful")
-local wibox           = require("wibox")
+local wibox        = require("wibox")
 
-local io              = io
-local string          = { format = string.format,
-                          match  = string.match }
+local string       = { match  = string.match,
+                       format = string.format }
 
-local setmetatable    = setmetatable
+local setmetatable = setmetatable
 
--- ALSA volume infos
--- nain.widgets.alsa
-local alsa = {
-    volume = 0,
-    mute = false,
-}
+-- ALSA volume
+-- lain.widgets.alsa
+local alsa = helpers.make_widget_textbox()
 
-function worker(args)
-    local args = args or {}
-    local channel = args.channel or "Master"
-    local step = args.step or "1%"
-    local header = args.header or " Vol "
-    local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
-    local color = args.color or beautiful.fg_focus or "#FFFFFF"
+local function worker(args)
+    local args     = args or {}
+    local timeout  = args.timeout or 5
+    local settings = args.settings or function() end
 
-    local myvolume = wibox.widget.textbox()
-    local myvolumeupdate = function()
-        local f = io.popen('amixer get ' .. channel)
-        local mixer = f:read("*all")
-        f:close()
+    alsa.cmd           = args.cmd or "amixer"
+    alsa.channel       = args.channel or "Master"
+    alsa.togglechannel = args.togglechannel
+    alsa.last_level    = "0"
+    alsa.last_status   = ""
 
-        local volume, mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
+    function alsa.update()
+        mixer = read_pipe(string.format("%s get %s", alsa.cmd, alsa.channel))
+        l, s  = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
 
-        if volume == nil
-        then
-            alsa.volume = 0
-        else
-            alsa.volume = volume
+        -- HDMIs can have a channel different from Master for toggling mute
+        if alsa.togglechannel then
+            s = string.match(read_pipe(string.format("%s get %s", alsa.cmd, alsa.togglechannel)), "%[(%a+)%]")
         end
 
-        if mute == nil or mute == 'on'
-        then
-            alsa.mute = true
-            mute = ''
-        else
-            alsa.mute = false
-            mute = 'M'
-        end
+        if alsa.last_level ~= l or alsa.last_status ~= s then
+            volume_now = { level = l, status = s }
+            alsa.last_level  = l
+            alsa.last_status = s
 
-        local ret = markup(color, string.format("%d%s", volume, mute))
-        myvolume:set_markup(markup(header_color, header) .. ret .. " ")
+            widget = alsa.widget
+            settings()
+        end
     end
 
-    local myvolumetimer = timer({ timeout = 5 })
-    myvolumetimer:connect_signal("timeout", myvolumeupdate)
-    myvolumetimer:start()
-    myvolumetimer:emit_signal("timeout")
-
-    myvolume:buttons(awful.util.table.join(
-        awful.button({}, 1,
-            function()
-                run_in_terminal('alsamixer')
-             end),
-        awful.button({}, 3,
-            function()
-                awful.util.spawn('amixer sset ' .. channel ' toggle')
-            end),
-
-        awful.button({}, 4,
-            function()
-                awful.util.spawn('amixer sset ' .. channel .. ' ' .. step '+')
-                myvolumeupdate()
-            end),
-
-        awful.button({}, 5,
-            function()
-                awful.util.spawn('amixer sset ' .. channel .. ' ' .. step '-')
-                myvolumeupdate()
-            end)
-    ))
-
-    alsa.widget = myvolume
-    alsa.channel = channel
-    alsa.step = step
-    alsa.notify = myvolumeupdate
+    timer_id = string.format("alsa-%s-%s", alsa.cmd, alsa.channel)
+    helpers.newtimer(timer_id, timeout, alsa.update)
 
-    return setmetatable(alsa, { __index = alsa.widget })
+    return alsa
 end
 
 return setmetatable(alsa, { __call = function(_, ...) return worker(...) end })