fix #300

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

diff --git a/widgets/abase.lua b/widgets/abase.lua
index 075d615e81d4fe099a69e08500d64e0906f5d237..300cc1b54d6832274fcfe8e87aca04d05843951c 100644 (file)
--- a/widgets/abase.lua
+++ b/widgets/abase.lua
@@ -6,37 +6,38 @@
                                                   
 --]]
 
                                                   
 --]]
 

-local newtimer     = require("lain.helpers").newtimer
-local async        = require("lain.asyncshell")
-local wibox        = require("wibox")
-
+local helpers      = require("lain.helpers")
+local textbox      = require("wibox.widget.textbox")

 local setmetatable = setmetatable
 
 local setmetatable = setmetatable
 

--- Basic template for custom widgets 
--- Asynchronous version
+-- Template for custom asynchronous widgets

 -- lain.widgets.abase
 
 local function worker(args)
 -- lain.widgets.abase
 
 local function worker(args)

-    local abase    = {}
-    local args     = args or {}
-    local timeout  = args.timeout or 5
-    local cmd      = args.cmd or ""
-    local settings = args.settings or function() end
+    local abase     = {}
+    local args      = args or {}
+    local timeout   = args.timeout or 5
+    local nostart   = args.nostart or false
+    local stoppable = args.stoppable or false
+    local cmd       = args.cmd
+    local settings  = args.settings or function() widget:set_text(output) end

 
 

-    abase.widget = wibox.widget.textbox('')
+    abase.widget = args.widget or textbox()

 
     function abase.update()
 
     function abase.update()

-        async.request(cmd, function(f)
-            output = f:read("*a")
-            f:close()
-            widget = abase.widget
-            settings()
+        helpers.async(cmd, function(f)
+            output = f
+            if output ~= abase.prev then
+                widget = abase.widget
+                settings()
+                abase.prev = output
+            end

         end)
     end
 
         end)
     end
 

-    newtimer(cmd, timeout, abase.update)
+    abase.timer = helpers.newtimer(cmd, timeout, abase.update, nostart, stoppable)

 
 

-    return setmetatable(abase, { __index = abase.widget })
+    return abase

 end
 
 return setmetatable({}, { __call = function(_, ...) return worker(...) end })
 end
 
 return setmetatable({}, { __call = function(_, ...) return worker(...) end })