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fixed spelling heigth > height; added support for mouse buttons 1 through 5; added...
[etc/awesome.git] / widgets / alsabar.lua
index 7f5fe87f5de80f44944d148846335454976d835a..3ade35c190622e2e7c9c620584e4ce2a3dde33f7 100644 (file)
-
 --[[
-                                                  
-     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 helpers      = require("lain.helpers")
 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 wibox        = require("wibox")
+local math         = { modf   = math.modf }
+local string       = { format = string.format,
+                       match  = string.match,
+                       rep    = string.rep }
 local tonumber     = tonumber
-
+local type         = type
 local setmetatable = setmetatable
+local terminal     = "urxvtc" or "xterm"
 
 -- 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    = "1%",
+    mixer   = "amixer",
+
+    colors = {
+        background = beautiful.bg_normal,
+        mute       = "#EB8F8F",
+        unmute     = "#A4CE8A"
+    },
+
+    notifications = {
+        font      = beautiful.font:sub(beautiful.font:find(""), beautiful.font:find(" ")),
+        font_size = "11",
+        color     = beautiful.fg_normal,
+        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
-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 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 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.height or 1
+    local ticks        = args.ticks or false
+    local ticks_size   = args.ticks_size or 7
+    local vertical     = args.vertical or false
+
+    alsabar.mixer         = args.mixer or alsabar.mixer
+    alsabar.channel       = args.channel or alsabar.channel
+    alsabar.togglechannel = args.togglechannel or alsabar.togglechannel
+    alsabar.cmd           = args.cmd or {"bash", "-c", string.format("%s get %s", alsabar.mixer, alsabar.channel)}
+    alsabar.step          = args.step or alsabar.step
+    alsabar.colors        = args.colors or alsabar.colors
     alsabar.notifications = args.notifications or alsabar.notifications
+    alsabar.followtag     = args.followtag or false
+    if alsabar.togglechannel then
+            alsabar.cmd   = args.cmd or { "bash", "-c", string.format("%s get %s; %s get %s", alsabar.mixer, alsabar.channel, alsabar.mixer, alsabar.togglechannel)}
+    end
+
+    alsabar.bar = wibox.widget {
+        forced_height    = height,
+        forced_width     = width,
+        color            = alsabar.colors.unmute,
+        background_color = alsabar.colors.background,
+        margins          = 1,
+        paddings         = 1,
+        ticks            = ticks,
+        ticks_size       = ticks_size,
+        widget           = wibox.widget.progressbar,
+        layout           = vertical and wibox.container.rotate
+    }
 
-    alsabar.bar = awful.widget.progressbar()
+    alsabar.bar:buttons (awful.util.table.join(
+        awful.button({}, 1, function()
+                awful.spawn(string.format('%s -e alsamixer', terminal))
+        end),
+        awful.button({}, 2, function()
+                awful.spawn(string.format("%s set %s 100%%", alsabar.mixer, alsabar.channel))
+                alsabar.update()
+        end),
+        awful.button({}, 3, function()
+                awful.spawn(string.format("%s set %s toggle", alsabar.mixer, alsabar.togglechannel or alsabar.channel))
+                alsabar.update()
+        end),
+        awful.button({}, 4, function()
+                awful.spawn(string.format("%s set %s %s+", alsabar.mixer, alsabar.channel, alsabar.step))
+                alsabar.update()
+        end),
+        awful.button({}, 5, function()
+                awful.spawn(string.format("%s set %s %s-", alsabar.mixer, alsabar.channel, alsabar.step))
+                alsabar.update()
+        end)))
 
-    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_width(width)
-    alsabar.bar:set_height(height)
-    alsabar.bar:set_ticks(ticks)
-    alsabar.bar:set_ticks_size(ticks_size)
 
-    if vertical then
-        alsabar.bar:set_vertical(true)
+    function alsabar.update(callback)
+        helpers.async(alsabar.cmd, function(mixer)
+            local volu,mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
+            if (volu and tonumber(volu) ~= alsabar._current_level) or (mute and string.match(mute, "on") ~= alsabar._muted)
+            then
+                alsabar._current_level = tonumber(volu) or alsabar._current_level
+                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.color = alsabar.colors.mute
+                else
+                    alsabar._muted = false
+                    alsabar.tooltip:set_text(string.format("%s: %s", alsabar.channel, volu))
+                    alsabar.bar.color = alsabar.colors.unmute
+                end
+
+                volume_now = {}
+                volume_now.level = tonumber(volu)
+                volume_now.status = mute
+
+                settings()
+
+                if type(callback) == "function" then callback() end
+            end
+        end)
     end
 
-    function update()
-        -- Get mixer control contents
-        local f = io.popen("amixer get " .. alsabar.channel)
-        local mixer = f:read("*all")
-        f:close()
-
-        -- 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 mute == "" and 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(" " .. alsabar.channel .. ": " .. volu .. "% ")
-            alsabar.bar:set_color(alsabar.colors.unmute)
-        end
+    function alsabar.notify()
+        alsabar.update(function()
+            local preset = {
+                title   = "",
+                text    = "",
+                timeout = 5,
+                screen  = alsabar.notifications.screen,
+                font    = string.format("%s %s", alsabar.notifications.font,
+                          alsabar.notifications.font_size),
+                fg      = alsabar.notifications.color
+            }
+
+            if alsabar._muted then
+                preset.title = string.format("%s - Muted", alsabar.channel)
+            else
+                preset.title = string.format("%s - %s%%", alsabar.channel, alsabar._current_level)
+            end
+
+            int = math.modf((alsabar._current_level / 100) * awful.screen.focused().mywibox.height)
+            preset.text = string.format("[%s%s]", string.rep("|", int),
+                          string.rep(" ", awful.screen.focused().mywibox.height - int))
+
+            if alsabar.followtag then preset.screen = awful.screen.focused() end
+
+            if alsabar._notify then
+                alsabar._notify = naughty.notify ({
+                    replaces_id = alsabar._notify.id,
+                    preset      = preset,
+                })
+            else
+                alsabar._notify = naughty.notify ({ preset = preset })
+            end
+        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()
-          end),
-          awful.button ({}, 4, function()
-            awful.util.spawn("amixer sset " .. alsabar.channel .. " "
-                              .. alsabar.step .. "+")
-            myvolumebarupdate()
-          end),
-          awful.button ({}, 5, function()
-            awful.util.spawn("amixer sset " .. alsabar.channel .. " "
-                              .. alsabar.step .. "-")
-            myvolumebarupdate()
-          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)
+    helpers.newtimer(timer_id, timeout, alsabar.update)
+
+    return alsabar
 end
 
 return setmetatable(alsabar, { __call = function(_, ...) return worker(...) end })