]> git.madduck.net Git - etc/awesome.git/blobdiff - widgets/base.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:

#222 #223: readd math.min to catch #158
[etc/awesome.git] / widgets / base.lua
index 4f28e07bae46777f6733df0257463e6a80a727ff..e1ce297f93b303938c3c33cb1b6dbdc5f2d6223f 100644 (file)
@@ -7,12 +7,13 @@
 --]]
 
 local newtimer     = require("lain.helpers").newtimer
+local read_pipe    = require("lain.helpers").read_pipe
+
 local wibox        = require("wibox")
 
-local io           = io
 local setmetatable = setmetatable
 
--- Basic template for custom widgets 
+-- Basic template for custom widgets
 -- lain.widgets.base
 
 local function worker(args)
@@ -25,11 +26,12 @@ local function worker(args)
     base.widget = wibox.widget.textbox('')
 
     function base.update()
-        local f = assert(io.popen(cmd))
-        output = f:read("*all")
-        f:close()
-        widget = base.widget
-        settings()
+        if output ~= base.prev then
+            output = read_pipe(cmd)
+            widget = base.widget
+            settings()
+            base.prev = output
+        end
     end
 
     newtimer(cmd, timeout, base.update)