awful.widget: few formal fixes for widget layouts

Signed-off-by: Lukas Hrazky <lukkash@email.cz>
Signed-off-by: Julien Danjou <julien@danjou.info>

lib/awful/widget/layout/grid.lua.in

@@ -18,8 +18,6 @@ local clone = util.table.clone
 local margins = awful.widget.layout.margins
 local layout = awful.widget.layout
 
---module("awful.widget.layout.grid")
-
 local M = {}
 
 
@@ -79,7 +77,7 @@ end
 
 -- Places the widgets in a grid.
 -- @see awful.widget.layout for a luadoc
-local function grid(bounds, widgets, screen)
+function M.grid(bounds, widgets, screen)
     local widths = {}
     local heights = {}
 
@@ -197,7 +195,6 @@ local function grid(bounds, widgets, screen)
     return geometries
 end
 
---setmetatable(_M, { __call = function(_, ...) return grid(...) end })
-return grid
+return M
 
 -- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80

lib/awful/widget/layout/init.lua.in

@@ -85,6 +85,6 @@ require("awful.widget.layout.vertical")
 -- @return A table of geometries of all the widgets.
 -- @name grid
 -- @class function
-grid = require("awful.widget.layout.grid")
+grid = require("awful.widget.layout.grid").grid
 
 -- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80

lib/awful/widget/layout/linear_common.lua.in

@@ -245,7 +245,7 @@ function linear_common.flex(idx, bounds, widgets, screen)
                     insert(geometries, v)
                 end
             elseif type(v) == "widget" then
-                g = v:extents(screen)
+                local g = v:extents(screen)
 
                 -- resize to fit the width available if requested
                 if v.resize and g.width > 0 and g.height > 0 then