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#193: update iff rate > 0 and battery not full
[etc/awesome.git] / widgets / alsabar.lua
diff --git a/widgets/alsabar.lua b/widgets/alsabar.lua
index 4ae12e563bf170fb9c38dab9f39e49e5e63ee139..39bf39460234c1bf62fea20204a42b986058e5d4 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 }
@@ -24,87 +25,89 @@ local setmetatable = setmetatable
 
 -- ALSA volume bar
 -- lain.widgets.alsabar
 
 -- ALSA volume bar
 -- lain.widgets.alsabar
-local alsabar =
-{
-  channel = "Master",
-  step    = "5%",
-
-  colors =
-  {
-     background = beautiful.bg_normal,
-     mute       = "#EB8F8F",
-     unmute     = "#A4CE8A"
-  },
-
-  terminal = terminal or "xterm",
-  mixer    = terminal .. " -e alsamixer",
-
-  notifications =
-  {
-     font      = beautiful.font:sub(beautiful.font:find(""), beautiful.font:find(" ")),
-     font_size = "11",
-     color     = beautiful.fg_normal,
-     bar_size  = 18
-  },
-
-  _current_level = 0,
-  _muted         = false
+local alsabar = {
+    channel = "Master",
+    step    = "2%",
+
+    colors = {
+        background = beautiful.bg_normal,
+        mute       = "#EB8F8F",
+        unmute     = "#A4CE8A"
+    },
+
+    terminal = terminal or "xterm",
+    mixer    = terminal .. " -e alsamixer",
+
+    notifications = {
+        font      = beautiful.font:sub(beautiful.font:find(""), beautiful.font:find(" ")),
+        font_size = "11",
+        color     = beautiful.fg_normal,
+        bar_size  = 18,
+        screen    = 1
+    },
+
+    _current_level = 0,
+    _muted         = false
 }
 
 function alsabar.notify()
 }
 
 function alsabar.notify()
-  alsabar.update()
-
-    local preset =
-    {
-      title   = "",
-      text    = "",
-      timeout = 4,
-      font    = alsabar.notifications.font .. " " ..
-                alsabar.notifications.font_size,
-      fg      = alsabar.notifications.color
+    alsabar.update()
+
+    local preset = {
+        title   = "",
+        text    = "",
+        timeout = 5,
+        screen  = alsabar.notifications.screen,
+        font    = alsabar.notifications.font .. " " ..
+                  alsabar.notifications.font_size,
+        fg      = alsabar.notifications.color
     }
 
     if alsabar._muted
     }
 
     if alsabar._muted
-  then
+    then
         preset.title = alsabar.channel .. " - Muted"
     else
         preset.title = alsabar.channel .. " - Muted"
     else
-        preset.title = alsabar.channel .. " - " .. alsabar._current_level * 100 .. "%"
+        preset.title = alsabar.channel .. " - " .. alsabar._current_level .. "%"
     end
 
     end
 
-  int = math.modf(alsabar._current_level * alsabar.notifications.bar_size)
-  preset.text = "["
+    int = math.modf((alsabar._current_level / 100) * alsabar.notifications.bar_size)
+    preset.text = "["
                 .. string.rep("|", int)
                 .. string.rep(" ", alsabar.notifications.bar_size - int)
                 .. "]"
 
                 .. string.rep("|", int)
                 .. string.rep(" ", alsabar.notifications.bar_size - int)
                 .. "]"
 
-  if alsabar._notify ~= nil then
+    if alsabar.followmouse then
+        preset.screen = mouse.screen
+    end
+
+    if alsabar._notify ~= nil then
         alsabar._notify = naughty.notify ({
         alsabar._notify = naughty.notify ({
-        replaces_id = alsabar._notify.id,
-        preset      = preset,
-        screen = client.focus and client.focus.screen or 1
-    })
+            replaces_id = alsabar._notify.id,
+            preset      = preset,
+        })
     else
         alsabar._notify = naughty.notify ({
     else
         alsabar._notify = naughty.notify ({
-        preset = preset,
-        screen = client.focus and client.focus.screen or 1
-    })
+            preset = preset,
+        })
     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()
 
@@ -119,58 +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 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) / 100
-        alsabar.bar:set_value(alsabar._current_level)
-
-        if not mute and tonumber(volu) == 0 or mute == "off"
+        if (volu and tonumber(volu) ~= alsabar._current_level) or (mute and 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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