update API to match awesome-fswidget

init.lua

@@ -62,7 +62,7 @@ local function getBatteryState(path)
   percent = tonumber(f:read("*a"):match("%S+"))
   f:close()
  end
- return state, percent
+ return state, tonumber(percent)
 end
 
 function batterystat.scan()
@@ -78,40 +78,45 @@ function batterystat.scan()
  end
 end
 
-local function bwidgetUpdate(self)
- self:reset()
- for k,v in pairs(batterystat.batteries) do
-  local name = v:match("/([^/]+)/$")
-  local state, percent = getBatteryState(v)
-  local colour = (state == "Charging") and "lime" or "red"
-  local sbwidget = (wibox.widget{
-   layout = wibox.layout.stack,
-   forced_width = batterystat.iconSize,
-   icons[chooseIcon(state,percent)],
-   wibox.widget{
-    widget = wibox.widget.textbox,
-    align = "center",
-    valign = "top",
-    text = name
-   },
-   wibox.widget{
-    widget = wibox.widget.textbox,
-    align = "right",
-    valign = "bottom",
-    markup = string.format('<span foreground="%s" size="x-large">%d%%</span>',colour,percent)
-   }
-  })
-  self:add(sbwidget)
- end
+local function updateBatteryWidget(self)
+ local state, percent = getBatteryState(self.path)
+ local colour = (state == "Charging") and "lime" or "red"
+ self:set(1,icons[chooseIcon(state, percent)])
+ self.children[3].markup = string.format('<span foreground="%s" size="x-large">%d%%</span>',colour,percent)
 end
 
-function batterystat.new()
- local bwidget = wibox.widget{
-  layout = wibox.layout.grid.horizontal,
-  update = bwidgetUpdate
+function batterystat.new(path)
+ local state, percent = getBatteryState(path)
+ local name = path:match("/([^/]+)/$")
+ local sbwidget = wibox.widget{
+  layout = wibox.layout.stack,
+  forced_width = batterystat.iconSize,
+  path = path,
+  update = updateBatteryWidget,
+  icons[chooseIcon(state,percent)],
+  wibox.widget{
+   widget = wibox.widget.textbox,
+   align = "center",
+   valign = "top",
+   text = name
+  },
+  wibox.widget{
+   widget = wibox.widget.textbox,
+   align = "right",
+   valign = "bottom",
+  }
  }
+ sbwidget:update()
+ return sbwidget
+end
+
+function batterystat.all()
+ local rt = {}
  batterystat.scan()
- return bwidget
+ for k,v in pairs(batterystat.batteries) do
+  rt[#rt+1] = batterystat.new(v)
+ end
+ return rt
 end
 
 return batterystat