uniform timers for single-instance widgets; #114

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

diff --git a/widgets/fs.lua b/widgets/fs.lua
index 344bd873c1d5d979ae9a0d4630794e4ecf29644a..951f0cce98b98e0ba5187f40bf7fc2ca30ade4cd 100644 (file)
--- a/widgets/fs.lua
+++ b/widgets/fs.lua
@@ -8,15 +8,16 @@
                                                       
 --]]
 
-local markup       = require("lain.util.markup")
 local helpers      = require("lain.helpers")
 
 local beautiful    = require("beautiful")
 local wibox        = require("wibox")
 local naughty      = require("naughty")
 
-local io           = io
-local string       = { match = string.match }
+local io           = { popen  = io.popen }
+local pairs        = pairs
+local string       = { match  = string.match,
+                       format = string.format }
 local tonumber     = tonumber
 
 local setmetatable = setmetatable
@@ -24,7 +25,9 @@ local setmetatable = setmetatable
 -- File system disk space usage
 -- lain.widgets.fs
 local fs = {}
-local notification = nil
+
+local notification  = nil
+fs_notification_preset = { fg = beautiful.fg_normal }
 
 function fs:hide()
     if notification ~= nil then
@@ -37,42 +40,33 @@ function fs:show(t_out)
     fs:hide()
 
     local f = io.popen(helpers.scripts_dir .. "dfs")
-    ws = f:read("*all"):gsub("\n*$", "")
+    ws = f:read("*a"):gsub("\n*$", "")
     f:close()
 
     notification = naughty.notify({
+        preset = fs_notification_preset,
         text = ws,
-       timeout = t_out,
-        fg = fs.color,
+        timeout = t_out,
     })
 end
 
--- Variable definitions
+-- Unit definitions
 local unit = { ["mb"] = 1024, ["gb"] = 1024^2 }
 
 local function worker(args)
-    local args = args or {}
+    local args      = args or {}
+    local timeout   = args.timeout or 600
     local partition = args.partition or "/"
-    local refresh_timeout = args.refresh_timeout or 600
-    local header = args.header or " Hdd "
-    local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
-    fs.color = args.color or beautiful.fg_focus or "#FFFFFF"
-    local footer = args.footer or " "
-    local shadow = args.shadow or false
-
-    local myfs = wibox.widget.textbox()
+    local settings  = args.settings or function() end
 
-    helpers.set_map("fs", false)
+    fs.widget = wibox.widget.textbox('')
 
-    local fsupdate = function()
-        local fs_info = {} -- Get data from df
-        local f = io.popen("LC_ALL=C df -kP")
+    helpers.set_map(partition, false)
 
-        local function set_text()
-            local info = fs_info['{' .. partition .. ' used_p}']
-            myfs:set_markup(markup(header_color, header)
-                            .. markup(fs.color, info .. footer))
-        end
+    function update()
+        fs_info = {}
+        fs_now  = {}
+        local f = assert(io.popen("LC_ALL=C df -kP"))
 
         for line in f:lines() do -- Match: (size) (used)(avail)(use%) (mount)
             local s     = string.match(line, "^.-[%s]([%d]+)")
@@ -80,55 +74,44 @@ local function worker(args)
             local m     = string.match(line, "%%[%s]([%p%w]+)")
 
             if u and m then -- Handle 1st line and broken regexp
-                helpers.uformat(fs_info, m .. " used",  u, unit)
-                fs_info["{" .. m .. " used_p}"]  = tonumber(p)
+                fs_info[m .. " size_mb"]  = string.format("%.1f", tonumber(s) / unit["mb"])
+                fs_info[m .. " size_gb"]  = string.format("%.1f", tonumber(s) / unit["gb"])
+                fs_info[m .. " used_p"]   = tonumber(p)
+                fs_info[m .. " avail_p"]  = 100 - tonumber(p)
             end
         end
 
         f:close()
 
-        if shadow
+        fs_now.used      = tonumber(fs_info[partition .. " used_p"])  or 0
+        fs_now.available = tonumber(fs_info[partition .. " avail_p"]) or 0
+        fs_now.size_mb   = tonumber(fs_info[partition .. " size_mb"]) or 0
+        fs_now.size_gb   = tonumber(fs_info[partition .. " size_gb"]) or 0
+
+        widget = fs.widget
+        settings()
+
+        if fs_now.used >= 99 and not helpers.get_map(partition)
         then
-            myfs:set_text('')
+            naughty.notify({
+                title = "warning",
+                text = partition .. " ran out!\nmake some room",
+                timeout = 8,
+                fg = "#000000",
+                bg = "#FFFFFF",
+            })
+            helpers.set_map(partition, true)
         else
-            set_text()
-        end
-
-        local part = fs_info['{' .. partition .. ' used_p}']
-
-        if part >= 90  then
-            if part >= 99 and not helpers.get_map("fs") then
-                naughty.notify({ title = "warning",
-                                 text = partition .. " ran out!\n"
-                                        .. "make some room",
-                                 timeout = 8,
-                                 position = "top_right",
-                                 fg = beautiful.fg_urgent,
-                                 bg = beautiful.bg_urgent })
-                helpers.set_map("fs", true)
-            end
-            if shadow then set_text() end
+            helpers.set_map(partition, false)
         end
     end
 
-    local fstimer = timer({ timeout = refresh_timeout })
-    fstimer:connect_signal("timeout", fsupdate)
-    fstimer:start()
-    fstimer:emit_signal("timeout")
-
-    myfs:connect_signal('mouse::enter', function () fs:show(0) end)
-    myfs:connect_signal('mouse::leave', function () fs:hide() end)
+    fs.widget:connect_signal('mouse::enter', function () fs:show(0) end)
+    fs.widget:connect_signal('mouse::leave', function () fs:hide() end)
 
-    local fs_out =
-    {
-        widget = myfs,
-        show = function(t_out)
-                   fsupdate()
-                   fs:show(t_out)
-               end
-    }
+    helpers.newtimer(partition, timeout, update)
 
-    return setmetatable(fs_out, { __index = fs_out.widget })
+    return setmetatable(fs, { __index = fs.widget })
 end
 
 return setmetatable(fs, { __call = function(_, ...) return worker(...) end })