]> git.madduck.net Git - etc/awesome.git/blobdiff - widgets/fs.lua

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

wiki updated
[etc/awesome.git] / widgets / fs.lua
index 3c9d9c88a4f2728e223c7bd93f3e8af7f4887c29..efd31fb3f19a2f57d8943921f240d58c711c2fb7 100644 (file)
@@ -1,62 +1,53 @@
 
 --[[
-                                                      
-     Licensed under GNU General Public License v2     
-      * (c) 2013, Luke Bonham                         
-      * (c) 2010, Adrian C.      <anrxc@sysphere.org> 
-      * (c) 2009, Lucas de Vries <lucas@glacicle.com> 
-                                                      
+                                                  
+     Licensed under GNU General Public License v2 
+      * (c) 2013, Luke Bonham                     
+                                                  
 --]]
 
 local helpers      = require("lain.helpers")
 
-local beautiful    = require("beautiful")
+local shell        = require("awful.util").shell
+local focused      = require("awful.screen").focused
 local wibox        = require("wibox")
 local naughty      = require("naughty")
 
-local io           = { popen  = io.popen }
-local pairs        = pairs
-local mouse        = mouse
-local string       = { match  = string.match,
-                       format = string.format }
+local string       = string
 local tonumber     = tonumber
 
 local setmetatable = setmetatable
 
 -- File system disk space usage
 -- lain.widgets.fs
-local fs = {}
-local fs_notification  = nil
+local fs = helpers.make_widget_textbox()
+
+-- Unit definitions
+fs.unit = { ["mb"] = 1024, ["gb"] = 1024^2 }
 
 function fs.hide()
-    if fs_notification ~= nil then
-        naughty.destroy(fs_notification)
-        fs_notification = nil
-    end
+    if not fs.notification then return end
+    naughty.destroy(fs.notification)
+    fs.notification = nil
 end
 
-function fs.show(seconds, options, scr)
-    fs.hide()
+function fs.show(seconds, scr)
+    fs.update()
 
-    local cmd = (options and string.format("dfs %s", options)) or "dfs"
-    local ws = helpers.read_pipe(helpers.scripts_dir .. cmd):gsub("\n*$", "")
+    fs.hide()
 
-    if fs.followmouse then
-        fs.notification_preset.screen = mouse.screen
+    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
+    fs.notification = naughty.notify({
+        preset      = fs.notification_preset,
+        timeout     = seconds or 5
     })
 end
 
--- Unit definitions
-local unit = { ["mb"] = 1024, ["gb"] = 1024^2 }
-
 local function worker(args)
     local args             = args or {}
     local timeout          = args.timeout or 600
@@ -65,55 +56,66 @@ local function worker(args)
     local notify           = args.notify or "on"
     local settings         = args.settings or function() end
 
-    fs.followmouse         = args.followmouse or false
-    fs.notification_preset = args.notification_preset or { fg = beautiful.fg_normal }
+    fs.options             = args.options
+    fs.followtag           = args.followtag or false
+    fs.notification_preset = args.notification_preset
 
-    fs.widget = wibox.widget.textbox('')
+    if not fs.notification_preset then
+        fs.notification_preset = {
+            font = "Monospace 10",
+            fg   = "#FFFFFF",
+            bg   = "#000000"
+        }
+    end
 
     helpers.set_map(partition, false)
 
-    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]+)")
-            local u,a,p = string.match(line, "([%d]+)[%D]+([%d]+)[%D]+([%d]+)%%")
-            local m     = string.match(line, "%%[%s]([%p%w]+)")
-
-            if u and m then -- Handle 1st line and broken regexp
-                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)
+    function fs.update()
+        fs_info, fs_now  = {}, {}
+        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
+
+                fs_info[m .. " size_mb"]  = string.format("%.1f", tonumber(s) / fs.unit["mb"])
+                fs_info[m .. " size_gb"]  = string.format("%.1f", tonumber(s) / fs.unit["gb"])
+                fs_info[m .. " used_mb"]  = string.format("%.1f", tonumber(u) / fs.unit["mb"])
+                fs_info[m .. " used_gb"]  = string.format("%.1f", tonumber(u) / fs.unit["gb"])
+                fs_info[m .. " used_p"]   = p
+                fs_info[m .. " avail_mb"] = string.format("%.1f", tonumber(a) / fs.unit["mb"])
+                fs_info[m .. " avail_gb"] = string.format("%.1f", tonumber(a) / fs.unit["gb"])
+                fs_info[m .. " avail_p"]  = string.format("%d", 100 - tonumber(p))
             end
-        end
-
-        f:close()
-
-        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
-
-        notification_preset = fs.notification_preset
-        widget = fs.widget
-        settings()
-
-        if notify == "on" and fs_now.used >= 99 and not helpers.get_map(partition)
-        then
-            naughty.notify({
-                title = "warning",
-                text = partition .. " ran out!\nmake some room",
-                timeout = 8,
-                fg = "#000000",
-                bg = "#FFFFFF",
-            })
-            helpers.set_map(partition, true)
-        else
-            helpers.set_map(partition, false)
-        end
+
+            fs_now.size_mb      = fs_info[partition .. " size_mb"]  or "N/A"
+            fs_now.size_gb      = fs_info[partition .. " size_gb"]  or "N/A"
+            fs_now.used         = fs_info[partition .. " used_p"]   or "N/A"
+            fs_now.used_mb      = fs_info[partition .. " used_mb"]  or "N/A"
+            fs_now.used_gb      = fs_info[partition .. " used_gb"]  or "N/A"
+            fs_now.available    = fs_info[partition .. " avail_p"]  or "N/A"
+            fs_now.available_mb = fs_info[partition .. " avail_mb"] or "N/A"
+            fs_now.available_gb = fs_info[partition .. " avail_gb"] or "N/A"
+
+            notification_preset = fs.notification_preset
+            widget = fs.widget
+            settings()
+
+            if notify == "on" and tonumber(fs_now.used) >= 99 and not helpers.get_map(partition) then
+                naughty.notify({
+                    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
@@ -121,7 +123,7 @@ 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