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imap: asynchronous: forgot shell
[etc/awesome.git] / widgets / alsabar.lua
diff --git a/widgets/alsabar.lua b/widgets/alsabar.lua
index 1421975571993b8a173262e5a804c19c58b8f3d3..9fe5339da8f14d5caac645f397775fba66c96d06 100644 (file)
--- a/widgets/alsabar.lua
+++ b/widgets/alsabar.lua
@@ -7,13 +7,13 @@
                                                   
 --]]
 
                                                   
 --]]
 
-local newtimer     = require("lain.helpers").newtimer
+local helpers      = require("lain.helpers")
 
 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 wibox        = require("wibox")
 
 
-local io           = { popen  = io.popen }
 local math         = { modf   = math.modf }
 local string       = { format = string.format,
                        match  = string.match,
 local math         = { modf   = math.modf }
 local string       = { format = string.format,
                        match  = string.match,
@@ -25,9 +25,8 @@ local setmetatable = setmetatable
 -- ALSA volume bar
 -- lain.widgets.alsabar
 local alsabar = {
 -- ALSA volume bar
 -- lain.widgets.alsabar
 local alsabar = {
-    card    = "0",
     channel = "Master",
     channel = "Master",
-    step    = "2%",
+    step    = "1%",
 
     colors = {
         background = beautiful.bg_normal,
 
     colors = {
         background = beautiful.bg_normal,
@@ -35,14 +34,10 @@ local alsabar = {
         unmute     = "#A4CE8A"
     },
 
         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,
     notifications = {
         font      = beautiful.font:sub(beautiful.font:find(""), beautiful.font:find(" ")),
         font_size = "11",
         color     = beautiful.fg_normal,
-        bar_size  = 18,
         screen    = 1
     },
 
         screen    = 1
     },
 
@@ -50,123 +45,104 @@ local alsabar = {
     _muted         = false
 }
 
     _muted         = false
 }
 
-function alsabar.notify()
-    alsabar.update()
-
-    local preset = {
-        title   = "",
-        text    = "",
-        timeout = 4,
-        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._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 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 ticks_size = args.ticks_size or 7
-    local vertical   = args.vertical 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 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.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.followtag     = args.followtag or false
+
+    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:set_background_color(alsabar.colors.background)
-    alsabar.bar:set_color(alsabar.colors.unmute)
     alsabar.tooltip = awful.tooltip({ objects = { alsabar.bar } })
     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)
-    alsabar.bar:set_vertical(vertical)
-
-    function alsabar.update()
-        -- Get mixer control contents
-        local f = assert(io.popen(string.format("%s get %s", alsabar.cmd, alsabar.channel)))
-        local mixer = f:read("*a")
-        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)
-        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()
+
+    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 callback then callback() end
+            end
+        end)
+    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
 
     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()
-            awful.util.spawn(string.format("amixer -c %s set %s toggle", alsabar.card, alsabar.channel))
-            alsabar.update()
-          end),
-          awful.button ({}, 4, function()
-            awful.util.spawn(string.format("amixer -c %s set %s %s+", alsabar.card, alsabar.channel, alsabar.step))
-            alsabar.update()
-          end),
-          awful.button ({}, 5, function()
-            awful.util.spawn(string.format("amixer -c %s set %s %s-", alsabar.card, alsabar.channel, alsabar.step))
-            alsabar.update()
-          end)
-    ))
+    timer_id = string.format("alsabar-%s-%s", alsabar.cmd, alsabar.channel)
+    helpers.newtimer(timer_id, timeout, alsabar.update)
 
     return alsabar
 end
 
     return alsabar
 end
awesome window-manager configuration

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