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projects / etc / awesome.git / blobdiff
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some cpu usage improvements
[etc/awesome.git] / widgets / alsabar.lua
diff --git a/widgets/alsabar.lua b/widgets/alsabar.lua
index e185c761290d3b700f39710cc7b1340acf314bf1..7e8cd5a4bd09b277d2c692f98931d86a1fdecbdd 100644 (file)
--- a/widgets/alsabar.lua
+++ b/widgets/alsabar.lua
@@ -8,13 +8,14 @@
 --]]
 
 local newtimer     = require("lain.helpers").newtimer
 --]]
 
 local newtimer     = require("lain.helpers").newtimer
+local read_pipe    = require("lain.helpers").read_pipe
 
 local awful        = require("awful")
 local beautiful    = require("beautiful")
 local naughty      = require("naughty")
 
 
 local awful        = require("awful")
 local beautiful    = require("beautiful")
 local naughty      = require("naughty")
 
-local io           = { popen  = io.popen }
 local math         = { modf   = math.modf }
 local math         = { modf   = math.modf }
+local mouse        = mouse
 local string       = { format = string.format,
                        match  = string.match,
                        rep    = string.rep }
 local string       = { format = string.format,
                        match  = string.match,
                        rep    = string.rep }
@@ -26,7 +27,7 @@ local setmetatable = setmetatable
 -- lain.widgets.alsabar
 local alsabar = {
     channel = "Master",
 -- lain.widgets.alsabar
 local alsabar = {
     channel = "Master",
-    step    = "5%",
+    step    = "2%",
 
     colors = {
         background = beautiful.bg_normal,
 
     colors = {
         background = beautiful.bg_normal,
@@ -41,7 +42,8 @@ local alsabar = {
         font      = beautiful.font:sub(beautiful.font:find(""), beautiful.font:find(" ")),
         font_size = "11",
         color     = beautiful.fg_normal,
         font      = beautiful.font:sub(beautiful.font:find(""), beautiful.font:find(" ")),
         font_size = "11",
         color     = beautiful.fg_normal,
-        bar_size  = 18
+        bar_size  = 18,
+        screen    = 1
     },
 
     _current_level = 0,
     },
 
     _current_level = 0,
@@ -54,7 +56,8 @@ function alsabar.notify()
     local preset = {
         title   = "",
         text    = "",
     local preset = {
         title   = "",
         text    = "",
-        timeout = 4,
+        timeout = 5,
+        screen  = alsabar.notifications.screen,
         font    = alsabar.notifications.font .. " " ..
                   alsabar.notifications.font_size,
         fg      = alsabar.notifications.color
         font    = alsabar.notifications.font .. " " ..
                   alsabar.notifications.font_size,
         fg      = alsabar.notifications.color
@@ -73,34 +76,38 @@ function alsabar.notify()
                 .. string.rep(" ", alsabar.notifications.bar_size - int)
                 .. "]"
 
                 .. string.rep(" ", alsabar.notifications.bar_size - int)
                 .. "]"
 
+    if alsabar.followmouse then
+        preset.screen = mouse.screen
+    end
+
     if alsabar._notify ~= nil then
         alsabar._notify = naughty.notify ({
             replaces_id = alsabar._notify.id,
             preset      = preset,
     if alsabar._notify ~= nil then
         alsabar._notify = naughty.notify ({
             replaces_id = alsabar._notify.id,
             preset      = preset,
-            screen = client.focus and client.focus.screen or 1
         })
     else
         alsabar._notify = naughty.notify ({
             preset = preset,
         })
     else
         alsabar._notify = naughty.notify ({
             preset = preset,
-            screen = client.focus and client.focus.screen or 1
         })
     end
 end
 
 local function worker(args)
         })
     end
 end
 
 local function worker(args)
-    local args = args or {}
-    local timeout = args.timeout or 4
-    local settings = args.settings or function() end
-    local width = args.width or 63
-    local height = args.heigth or 1
-    local ticks = args.ticks or false
+    local args       = args or {}
+    local timeout    = args.timeout or 5
+    local settings   = args.settings or function() end
+    local width      = args.width or 63
+    local height     = args.heigth or 1
+    local ticks      = args.ticks or false
     local ticks_size = args.ticks_size or 7
     local ticks_size = args.ticks_size or 7
-    local vertical = args.vertical or false
+    local vertical   = args.vertical or false
 
 
-    alsabar.channel = args.channel or alsabar.channel
-    alsabar.step = args.step or alsabar.step
-    alsabar.colors = args.colors or alsabar.colors
+    alsabar.cmd           = args.cmd or "amixer"
+    alsabar.channel       = args.channel or alsabar.channel
+    alsabar.step          = args.step or alsabar.step
+    alsabar.colors        = args.colors or alsabar.colors
     alsabar.notifications = args.notifications or alsabar.notifications
     alsabar.notifications = args.notifications or alsabar.notifications
+    alsabar.followmouse   = args.followmouse or false
 
     alsabar.bar = awful.widget.progressbar()
 
 
     alsabar.bar = awful.widget.progressbar()
 
@@ -115,58 +122,55 @@ local function worker(args)
 
     function alsabar.update()
         -- Get mixer control contents
 
     function alsabar.update()
         -- Get mixer control contents
-        local f = io.popen("amixer -M get " .. alsabar.channel)
-        local mixer = f:read("*all")
-        f:close()
+        local mixer = read_pipe(string.format("%s get %s", alsabar.cmd, alsabar.channel))
 
         -- Capture mixer control state:          [5%] ... ... [on]
         local volu, mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
 
 
         -- Capture mixer control state:          [5%] ... ... [on]
         local volu, mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
 
-        if volu == nil then
-            volu = 0
-            mute = "off"
-        end
-
-        alsabar._current_level = tonumber(volu)
-        alsabar.bar:set_value(alsabar._current_level / 100)
-
-        if not mute and tonumber(volu) == 0 or mute == "off"
+        if tonumber(volu) ~= alsabar._current_level or string.match(mute, "on") ~= alsabar._muted
         then
         then
-            alsabar._muted = true
-            alsabar.tooltip:set_text (" [Muted] ")
-            alsabar.bar:set_color(alsabar.colors.mute)
-        else
-            alsabar._muted = false
-            alsabar.tooltip:set_text(string.format(" %s:%s ", alsabar.channel, volu))
-            alsabar.bar:set_color(alsabar.colors.unmute)
+            alsabar._current_level = tonumber(volu)
+            alsabar.bar:set_value(alsabar._current_level / 100)
+            if not mute and tonumber(volu) == 0 or mute == "off"
+            then
+                alsabar._muted = true
+                alsabar.tooltip:set_text (" [Muted] ")
+                alsabar.bar:set_color(alsabar.colors.mute)
+            else
+                alsabar._muted = false
+                alsabar.tooltip:set_text(string.format(" %s:%s ", alsabar.channel, volu))
+                alsabar.bar:set_color(alsabar.colors.unmute)
+            end
+
+            volume_now = {}
+            volume_now.level = tonumber(volu)
+            volume_now.status = mute
+            settings()
         end
         end
-
-        volume_now = {}
-        volume_now.level = tonumber(volu)
-        volume_now.status = mute
-        settings()
     end
 
     end
 
-    newtimer("alsabar", timeout, alsabar.update)
-
     alsabar.bar:buttons (awful.util.table.join (
           awful.button ({}, 1, function()
             awful.util.spawn(alsabar.mixer)
           end),
           awful.button ({}, 3, function()
     alsabar.bar:buttons (awful.util.table.join (
           awful.button ({}, 1, function()
             awful.util.spawn(alsabar.mixer)
           end),
           awful.button ({}, 3, function()
-            awful.util.spawn(string.format("amixer set %s toggle", alsabar.channel))
+            awful.util.spawn(string.format("%s set %s toggle", alsabar.cmd, alsabar.channel))
             alsabar.update()
           end),
           awful.button ({}, 4, function()
             alsabar.update()
           end),
           awful.button ({}, 4, function()
-            awful.util.spawn(string.format("amixer set %s %s+", alsabar.channel, alsabar.step))
+            awful.util.spawn(string.format("%s set %s %s+", alsabar.cmd, alsabar.channel, alsabar.step))
             alsabar.update()
           end),
           awful.button ({}, 5, function()
             alsabar.update()
           end),
           awful.button ({}, 5, function()
-            awful.util.spawn(string.format("amixer set %s %s-", alsabar.channel, alsabar.step))
+            awful.util.spawn(string.format("%s set %s %s-", alsabar.cmd, alsabar.channel, alsabar.step))
             alsabar.update()
           end)
     ))
 
             alsabar.update()
           end)
     ))
 
+    timer_id = string.format("alsabar-%s-%s", alsabar.cmd, alsabar.channel)
+
+    newtimer(timer_id, timeout, alsabar.update)
+
     return alsabar
 end
 
     return alsabar
 end
 
awesome window-manager configuration

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