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

wiki & readme updated
[etc/awesome.git] / widgets / alsabar.lua
index 7f5fe87f5de80f44944d148846335454976d835a..39bf39460234c1bf62fea20204a42b986058e5d4 100644 (file)
      Licensed under GNU General Public License v2 
       * (c) 2013, Luke Bonham                     
       * (c) 2013, Rman                            
+                                                  
 --]]
 
 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 io           = io
-local math         = { modf  = math.modf }
-local string       = { match = string.match,
-                       rep   = string.rep }
+local math         = { modf   = math.modf }
+local mouse        = mouse
+local string       = { format = string.format,
+                       match  = string.match,
+                       rep    = string.rep }
 local tonumber     = tonumber
 
 local setmetatable = setmetatable
 
 -- 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_focus,
-     bar_size = 18 -- Awesome default
-  },
-
-  _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()
-       local preset =
-       {
-      title = "", text = "",
-      timeout = 15,
-      font = alsabar.notifications.font .. " " .. alsabar.notifications.font_size,
-      fg = alsabar.notifications.color
-       }
-
-       if alsabar._muted then
-               preset.title = alsabar.channel .. " - Muted"
-       else
-               preset.title = alsabar.channel .. " - " .. alsabar._current_level * 100 .. "%"
-       end
-
-  local int = math.modf(alsabar._current_level * alsabar.notifications.bar_size)
-  preset.text = "[" .. string.rep("|", int)
-                .. string.rep(" ", alsabar.notifications.bar_size - int) .. "]"
-
-  if alsabar._notify ~= nil then
-               alsabar._notify = naughty.notify ({ replaces_id = alsabar._notify.id,
-                                                      preset = preset })
-       else
-               alsabar._notify = naughty.notify ({ preset = preset })
-       end
+function alsabar.notify()
+    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
+    then
+        preset.title = alsabar.channel .. " - Muted"
+    else
+        preset.title = alsabar.channel .. " - " .. alsabar._current_level .. "%"
+    end
+
+    int = math.modf((alsabar._current_level / 100) * alsabar.notifications.bar_size)
+    preset.text = "["
+                .. string.rep("|", 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,
+        })
+    else
+        alsabar._notify = naughty.notify ({
+            preset = preset,
+        })
+    end
 end
 
 local function worker(args)
-    local args = args or {}
-    local width = args.width or 63
-    local height = args.heigth or 1
-    local ticks = args.ticks or true
+    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 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
+    local vertical   = args.vertical or false
+
+    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.followmouse   = args.followmouse or false
 
     alsabar.bar = awful.widget.progressbar()
 
@@ -97,71 +118,60 @@ local function worker(args)
     alsabar.bar:set_height(height)
     alsabar.bar:set_ticks(ticks)
     alsabar.bar:set_ticks_size(ticks_size)
+    alsabar.bar:set_vertical(vertical)
 
-    if vertical then
-        alsabar.bar:set_vertical(true)
-    end
-
-    function update()
+    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]*)") 
-
-        if volu == nil then
-            volu = 0
-            mute = "off"
-        end
-
-        alsabar._current_level = tonumber(volu) / 100
-        alsabar.bar:set_value(alsabar._current_level)
+        local volu, mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
 
-        if mute == "" and volu == "0" or mute == "off"
+        if (volu and tonumber(volu) ~= alsabar._current_level) or (mute and string.match(mute, "on") ~= alsabar._muted)
         then
-            alsabar._muted = true
-            alsabar.tooltip:set_text (" [Muted] ")
-            alsabar.bar:set_color(alsabar.colors.mute)
-        else
-            alsabar._muted = false
-            alsabar.tooltip:set_text(" " .. 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
 
-    newtimer("alsabar", 5, update)
-
     alsabar.bar:buttons (awful.util.table.join (
           awful.button ({}, 1, function()
             awful.util.spawn(alsabar.mixer)
           end),
           awful.button ({}, 3, function()
-            awful.util.spawn("amixer sset " .. alsabar.channel .. " toggle")
-            myvolumebarupdate()
+            awful.util.spawn(string.format("%s set %s toggle", alsabar.cmd, alsabar.channel))
+            alsabar.update()
           end),
           awful.button ({}, 4, function()
-            awful.util.spawn("amixer sset " .. alsabar.channel .. " "
-                              .. alsabar.step .. "+")
-            myvolumebarupdate()
+            awful.util.spawn(string.format("%s set %s %s+", alsabar.cmd, alsabar.channel, alsabar.step))
+            alsabar.update()
           end),
           awful.button ({}, 5, function()
-            awful.util.spawn("amixer sset " .. alsabar.channel .. " "
-                              .. alsabar.step .. "-")
-            myvolumebarupdate()
+            awful.util.spawn(string.format("%s set %s %s-", alsabar.cmd, alsabar.channel, alsabar.step))
+            alsabar.update()
           end)
     ))
 
-    return { 
-        widget  = alsabar.bar,
-        channel = alsabar.channel, 
-        step    = alsabar.step,
-        notify  = function() 
-                    update()
-                    alsabar.notify()
-                  end
-    }
+    timer_id = string.format("alsabar-%s-%s", alsabar.cmd, alsabar.channel)
+
+    newtimer(timer_id, timeout, alsabar.update)
+
+    return alsabar
 end
 
 return setmetatable(alsabar, { __call = function(_, ...) return worker(...) end })