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wiki updated
[etc/awesome.git] / widgets / base.lua
index 39b0863e4dfbf8ba1b01ea751d9520d1b2977330..88478b0512df99887d318bc26237b7c0a099d02e 100644 (file)
@@ -6,10 +6,9 @@
                                                   
 --]]
 
-local newtimer     = require("lain.helpers").newtimer
+local helpers      = require("lain.helpers")
 local wibox        = require("wibox")
 
-local io           = { popen = io.popen }
 local setmetatable = setmetatable
 
 -- Basic template for custom widgets
@@ -18,21 +17,24 @@ local setmetatable = setmetatable
 local function worker(args)
     local base     = {}
     local args     = args or {}
-    local timeout  = args.timeout or 5
+    local timeout  = args.timeout or 1
     local cmd      = args.cmd or ""
     local settings = args.settings or function() end
 
     base.widget = wibox.widget.textbox('')
+    helpers.set_map(cmd, '')
 
     function base.update()
-        local f = assert(io.popen(cmd))
-        output = f:read("*a")
-        f:close()
-        widget = base.widget
-        settings()
+        output = helpers.read_pipe(cmd)
+
+        if helpers.get_map(cmd) ~= output then
+            widget = base.widget
+            settings()
+            helpers.set_map(cmd, output)
+        end
     end
 
-    newtimer(cmd, timeout, base.update)
+    helpers.newtimer(cmd, timeout, base.update)
 
     return setmetatable(base, { __index = base.widget })
 end