widget.base: Fix cached output

[etc/awesome.git] / widgets / alsabar.lua

diff --git a/widgets/alsabar.lua b/widgets/alsabar.lua
index 0421f5cfc54e00fbdf631fdc7dbef38fc9a79d62..b7c66b7798365daf1e89ca63dab0f922467da3a1 100644 (file)
--- a/widgets/alsabar.lua
+++ b/widgets/alsabar.lua
@@ -4,87 +4,114 @@
      Licensed under GNU General Public License v2 
       * (c) 2013, Luke Bonham                     
       * (c) 2013, Rman                            
      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 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 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"
-  },
-
-  mixer = terminal .. " -e alsamixer",
-
-  notifications =
-  {
-     font = beautiful.font:sub(beautiful.font:find(""), beautiful.font:find(" ")),
-     font_size = "11",
-     bar_size = 18 -- Awesome default
-  },
-
-  _current_level = 0,
-  _muted = false
+local alsabar = {
+    channel = "Master",
+    step    = "1%",
+
+    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 = 3,
-      font = alsabar.notifications.font .. " " .. alsabar.notifications.font_size,
-      fg = beautiful.fg_focus
-       }
-
-       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
 
 end
 

-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 function worker(args)
+    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
-    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.togglechannel = args.togglechannel
+    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()

+

     alsabar.bar:set_background_color(alsabar.colors.background)
     alsabar.bar:set_color(alsabar.colors.unmute)
     alsabar.tooltip = awful.tooltip({ objects = { alsabar.bar } })
     alsabar.bar:set_background_color(alsabar.colors.background)
     alsabar.bar:set_color(alsabar.colors.unmute)
     alsabar.tooltip = awful.tooltip({ objects = { alsabar.bar } })


@@ -92,73 +119,65 @@ function worker(args)
     alsabar.bar:set_height(height)
     alsabar.bar:set_ticks(ticks)
     alsabar.bar:set_ticks_size(ticks_size)
     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
-
-    local myvolumebarupdate = function()
+    function alsabar.update()

         -- Get mixer control contents
         -- 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]*)")

-        -- Handle mixers without data
-        if volu == nil then
-           volu = 0
-           mute = "off"
-        end

 
 

-        alsabar._current_level = tonumber(volu) / 100
-        alsabar.bar:set_value(alsabar._current_level)
+        -- HDMIs can have a channel different from Master for toggling mute
+        if alsabar.togglechannel then
+            mute = string.match(read_pipe(string.format("%s get %s", alsabar.cmd, alsabar.togglechannel)), "%[(%a+)%]")
+        end

 
 

-        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
         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
 
         end
     end
 

-    local myvolumebartimer = timer({ timeout = 5 })
-    myvolumebartimer:connect_signal("timeout", myvolumebarupdate)
-    myvolumebartimer:start()
-    myvolumebartimer:emit_signal("timeout")
-

     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("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()
           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()
           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)
     ))
 
           end)
     ))
 

-    return { widget = alsabar.bar,
-             channel = alsabar.channel, 
-             step = alsabar.step,
-             notify = function() 
-                         myvolumebarupdate()
-                         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 })
 end
 
 return setmetatable(alsabar, { __call = function(_, ...) return worker(...) end })