now a cute widget with an icon and an API matching awesome-fswidget

init.lua

@@ -1,3 +1,4 @@
+local longpress = require("awesome-longpress")
 local wibox = require("wibox")
 local gears = require("gears")
 local beautiful = require ("beautiful")
@@ -6,6 +7,15 @@ local rw = {
  iconPath = "/home/izaya/.config/awesome/awesome-memwidget"
 }
 
+local sizeTable = {[0] = "B", "K","M","G","T","P"}
+local function formatSize(n)
+ local i = 0
+ while n > 1024 do
+  n = n / 1024
+  i = i + 1
+ end
+ return string.format("%0.1f%s",n,sizeTable[i])
+end
 
 function rw.new()
  local stack = wibox.widget{
@@ -26,6 +36,18 @@ function rw.new()
   valign = 'bottom',
   widget = wibox.widget.textbox
  }
+ local memused = wibox.widget{
+  align = 'left',
+  valign = 'bottom',
+  visible = false,
+  widget = wibox.widget.textbox
+ }
+ local memfree = wibox.widget{
+  align = 'right',
+  valign = 'bottom',
+  visible = false,
+  widget = wibox.widget.textbox
+ }
  local membar = wibox.widget{
   widget = wibox.widget.progressbar,
   max_value = 1,
@@ -46,14 +68,27 @@ function rw.new()
   local totalUsed = total - free
   local used = totalUsed - (buffers + cache)
   memtext.text = (string.format("%3.0f%%", (used/total)*100))
+  memused.text = formatSize(used*1024)
+  memfree.text = formatSize((total-used)*1024)
   membar.value = (used/total)
   return true
  end
  stack:add(bgimage)
  stack:add(wibox.container.place(membar,"center","bottom"))
+ stack:add(memused)
+ stack:add(memfree)
  stack:add(memtext)
  rwidget.update()
+ longpress.add(rwidget,function()
+  memtext.visible = not memtext.visible
+  memused.visible = not memused.visible
+  memfree.visible = not memfree.visible
+ end)
  return rwidget
 end
 
+function rw.all()
+ return {rw.new()}
+end
+
 return rw