fix 'attempt to index a nil value (global self)'

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

diff --git a/widgets/fs.lua b/widgets/fs.lua
index 374d6eba05af0e57557dc6514b629648f40827f3..4e9f04b29268ba12bf3598d475a36fa346dd9c9c 100644 (file)
--- a/widgets/fs.lua
+++ b/widgets/fs.lua
@@ -9,7 +9,6 @@
 local helpers      = require("lain.helpers")
 
 local shell        = require("awful.util").shell
-local beautiful    = require("beautiful")
 local focused      = require("awful.screen").focused
 local wibox        = require("wibox")
 local naughty      = require("naughty")
@@ -21,29 +20,31 @@ local setmetatable = setmetatable
 
 -- File system disk space usage
 -- lain.widgets.fs
-local fs = {}
+local fs = helpers.make_widget_textbox()
 
 -- Unit definitions
 fs.unit = { ["mb"] = 1024, ["gb"] = 1024^2 }
 
-function fs.hide() naughty.destroy(fs.notification) end
+function fs.hide()
+    if not fs.notification then return end
+    naughty.destroy(fs.notification)
+    fs.notification = nil
+end
 
 function fs.show(seconds, scr)
-    fs.hide()
+    fs.update()
 
-    local cmd = (fs.options and string.format("dfs %s", fs.options)) or "dfs"
-    local ws = helpers.read_pipe(helpers.scripts_dir .. cmd):gsub("\n*$", "")
+    fs.hide()
 
     if fs.followtag then
         fs.notification_preset.screen = focused()
     elseif scr then
-        fs.notification_preset.screen = scr
+        fs.notification_preset.screen = scr or 1
     end
 
     fs.notification = naughty.notify({
         preset      = fs.notification_preset,
-        text        = ws,
-        timeout     = seconds or 5,
+        timeout     = seconds or 5
     })
 end
 
@@ -57,16 +58,20 @@ local function worker(args)
 
     fs.options             = args.options
     fs.followtag           = args.followtag or false
-    fs.notification_preset = args.notification_preset or { fg = beautiful.fg_normal }
+    fs.notification_preset = args.notification_preset
 
-    fs.widget = wibox.widget.textbox()
+    if not fs.notification_preset then
+        fs.notification_preset      = naughty.config.defaults
+        fs.notification_preset.font = "Monospace 10"
+        fs.notification_preset.fg   = "#FFFFFF"
+        fs.notification_preset.bg   = "#000000"
+    end
 
     helpers.set_map(partition, false)
 
-
-    function update()
+    function fs.update()
         fs_info, fs_now  = {}, {}
-        helpers.async(string.format("%s -c 'LC_ALL=C df -k --output=target,size,used,avail,pcent'", shell), function(f)
+        helpers.async({ shell, "-c", "LC_ALL=C df -k --output=target,size,used,avail,pcent" }, function(f)
             for line in string.gmatch(f, "\n[^\n]+") do
                 local m,s,u,a,p = string.match(line, "(/.-%s).-(%d+).-(%d+).-(%d+).-([%d]+)%%")
                 m = m:gsub(" ", "") -- clean target from any whitespace
@@ -94,19 +99,22 @@ local function worker(args)
             widget = fs.widget
             settings()
 
-            if notify == "on" and fs_now.used >= 99 and not helpers.get_map(partition) then
+            if notify == "on" and tonumber(fs_now.used) >= 99 and not helpers.get_map(partition) then
                 naughty.notify({
-                    title   = "warning",
-                    text    = partition .. " is empty!",
-                    timeout = 8,
-                    fg      = "#000000",
-                    bg      = "#FFFFFF"
+                    preset = naughty.config.presets.critical,
+                    title  = "Warning",
+                    text   = partition .. " is empty",
                 })
                 helpers.set_map(partition, true)
             else
                 helpers.set_map(partition, false)
             end
         end)
+
+        local notifycmd = (fs.options and string.format("dfs %s", fs.options)) or "dfs"
+        helpers.async(helpers.scripts_dir .. notifycmd, function(ws)
+            fs.notification_preset.text = ws:gsub("\n*$", "")
+        end)
     end
 
     if showpopup == "on" then
@@ -114,7 +122,7 @@ local function worker(args)
        fs.widget:connect_signal('mouse::leave', function () fs.hide() end)
     end
 
-    helpers.newtimer(partition, timeout, update)
+    helpers.newtimer(partition, timeout, fs.update)
 
     return setmetatable(fs, { __index = fs.widget })
 end