awful.layout: store name into module

Layouts now store their name as a string and their arrange function
in a table rather than being stored as the entire module.

Signed-off-by: Julien Danjou <julien@danjou.info>

lib/awful/layout/init.lua.in

@@ -59,28 +59,14 @@ end
 
 -- Register an arrange hook.
 local function on_arrange (screen)
-    get(screen)(screen)
+    get(screen).arrange(screen)
 end
 
-local layouts_name =
-{
-    [suit.tile]            = "tile",
-    [suit.tile.left]       = "tileleft",
-    [suit.tile.bottom]     = "tilebottom",
-    [suit.tile.top]        = "tiletop",
-    [suit.fair]            = "fairv",
-    [suit.fair.horizontal] = "fairh",
-    [suit.max]             = "max",
-    [suit.max.fullscreen]  = "fullscreen",
-    [suit.magnifier]       = "magnifier",
-    [suit.floating]        = "floating"
-}
-
 --- Get the current layout name.
 -- @param layout the layout name.
 -- @return The layout name.
 function getname(layout)
-    return layouts_name[layout]
+    return layout.name
 end
 
 hooks.arrange.register(on_arrange)

lib/awful/layout/suit/fair.lua.in

@@ -5,7 +5,6 @@
 ---------------------------------------------------------------------------
 
 -- Grab environment we need
-local setmetatable = setmetatable
 local ipairs = ipairs
 local math = math
 local client = require("awful.client")
@@ -63,16 +62,18 @@ local function fair(screen, orientation)
         end
     end
 end
+
 --- Horizontal fair layout.
 -- @param screen The screen to arrange.
-function horizontal(screen)
-    return fair(screen, "east")
+horizontal = {}
+horizontal.name = "fairh"
+function horizontal.arrange(p)
+    return fair(p, "east")
 end
 
 -- Vertical fair layout.
 -- @param screen The screen to arrange.
-local function fairv(_, screen)
-    return fair(screen, "south")
+name = "fairv"
+function arrange(p)
+    return fair(p, "south")
 end
-
-setmetatable(_M, { __call = fairv })

lib/awful/layout/suit/floating.lua.in

@@ -4,14 +4,11 @@
 -- @release @AWESOME_VERSION@
 ---------------------------------------------------------------------------
 
--- Grab environment we need
-local setmetatable = setmetatable
-
 --- Dummy function for floating layout
 module("awful.layout.suit.floating")
 
-local function floating(_, screen)
+function arrange(screen)
     return nil
 end
 
-setmetatable(_M, { __call = floating })
+name = "floating"

lib/awful/layout/suit/magnifier.lua.in

@@ -5,7 +5,6 @@
 ---------------------------------------------------------------------------
 
 -- Grab environment we need
-local setmetatable = setmetatable
 local ipairs = ipairs
 local math = math
 local tag = require("awful.tag")
@@ -19,7 +18,7 @@ local client = require("awful.client")
 --- Magnifier layout module for awful
 module("awful.layout.suit.magnifier")
 
-local function magnifier(_, screen)
+function arrange(screen)
     -- Fullscreen?
     local area = capi.screen[screen].workarea
     local cls = client.tiled(screen)
@@ -91,4 +90,4 @@ local function magnifier(_, screen)
     end
 end
 
-setmetatable(_M, { __call = magnifier })
+name = "magnifier"

lib/awful/layout/suit/max.lua.in

@@ -5,7 +5,6 @@
 ---------------------------------------------------------------------------
 
 -- Grab environment we need
-local setmetatable = setmetatable
 local pairs = pairs
 local client = require("awful.client")
 local capi =
@@ -34,14 +33,15 @@ end
 
 --- Maximized layout.
 -- @param screen The screen to arrange.
-local function max(_, screen)
+name = "max"
+function arrange(screen)
     return fmax(screen, false)
 end
 
 --- Fullscreen layout.
 -- @param screen The screen to arrange.
-function fullscreen(screen)
+fullscreen = {}
+fullscreen.name = "fullscreen"
+function fullscreen.arrange(screen)
     return fmax(screen, true)
 end
-
-setmetatable(_M, { __call = max })

lib/awful/layout/suit/tile.lua.in

@@ -7,7 +7,6 @@
 ---------------------------------------------------------------------------
 
 -- Grab environment we need
-local setmetatable = setmetatable
 local ipairs = ipairs
 local math = math
 local client = require("awful.client")
@@ -79,7 +78,7 @@ local function tile_group(cls, wa, orientation, fact, group)
 
 end
 
-local function tile(_, screen, orientation)
+local function tile(screen, orientation)
     orientation = orientation or "right"
 
     -- this handles are different orientations
@@ -156,22 +155,33 @@ local function tile(_, screen, orientation)
 
 end
 
+right = {}
+right.name = "tile"
+right.arrange = tile
+
 --- The main tile algo, on left.
 -- @param screen The screen number to tile.
-function left(screen)
-    return tile(nil, screen, "left")
+left = {}
+left.name = "tileleft"
+function left.arrange(screen)
+    return tile(screen, "left")
 end
 
 --- The main tile algo, on bottom.
 -- @param screen The screen number to tile.
-function bottom(screen)
-    return tile(nil, screen, "bottom")
+bottom = {}
+bottom.name = "tilebottom"
+function bottom.arrange(screen)
+    return tile(screen, "bottom")
 end
 
 --- The main tile algo, on top.
 -- @param screen The screen number to tile.
-function top(screen)
-    return tile(nil, screen, "top")
+top = {}
+top.name = "tiletop"
+function top.arrange(screen)
+    return tile(screen, "top")
 end
 
-setmetatable(_M, { __call = tile })
+arrange = right.arrange
+name = right.name