utils: show a notification on mute/unmute

2 files changed, 16 insertions, 3 deletions

diff --git a/bindings.lua b/bindings.lua
index 2ffba5b..ed45435 100644
--- a/bindings.lua
+++ b/bindings.lua
@@ -34,7 +34,7 @@ function M.create(workspace)
         -- audio control
         awful.key({ modkey },   "Prior",  function () utils.vol_control(1)           end),
         awful.key({ modkey },   "Next",   function () utils.vol_control(-1)          end),
-        awful.key({ modkey },   "End",    utils.vol_mute_toggle),
+        awful.key({ modkey },   "End",    function () utils.vol_mute_toggle(workspace)  end),
         awful.key({ modkey },   "Delete", function () utils.auto_mute_toggle(workspace) end),
         awful.key({ modkey },   "grave",  function () awful.spawn("mpc toggle") end),
         awful.key({ modkey },   "b",      function () awful.spawn("mpc next")   end),
diff --git a/utils.lua b/utils.lua
index 5b40dbb..5a32c55 100644
--- a/utils.lua
+++ b/utils.lua
@@ -36,8 +36,21 @@ function M.vol_control(n)
     awful.spawn(cmd)
 end
 
-function M.vol_mute_toggle()
-    awful.spawn("amixer -q set Master toggle")
+function M.vol_mute_toggle(wsp)
+    local control = 'Master'
+    awful.spawn.easy_async("amixer sset " .. control .. " toggle",
+        function(stdout, stderr, exitreason, exitcode)
+            if exitcode ~= 0 then
+                naughty.notify({ preset = naughty.config.presets.warn,
+                                 title  = "Error toggling the " .. control .. " control",
+                                 text   = stderr })
+                return
+            end
+
+            local text = string.match(stdout, '%[on%]') and 'Unmuted' or 'Muted'
+            M.notify_singleton(wsp, 'mute',
+                               { title  = "Audio", text = text })
+        end)
 end
 
 function M.auto_mute_toggle(wsp)