commit 70901c8a9f48ca64210dd2d5ec6b051b3f000543
Author: Perry Hargrave <resixian@gmail.com>
Date:   Tue Aug 23 14:37:11 2011 -0700

    Initialize revelation as a module

diff --git a/README.md b/README.md
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+# revelation.lua
+
+Provides Mac OSX like 'Expose' view of all clients.
+
+## Use
+ (From user's awesome configuration directory, usually ~/.config/awesome)
+
+ 1. Clone repository:
+
+        git clone https://bioe007@github.com/bioe007/awesome-revelation.git
+
+ 2. put near the top of your rc.lua require("revelation")
+ 3. Make a global keybinding for revelation in your rc.lua:
+
+          awful.key({modkey}, "e", revelation)
+
+    **NOTE:** Always double check this key binding syntax against the version of
+    Awesome that you are using.
+
+ 4. Reload rc.lua and try the keybinding.
+
+ It should bring all clients to the current tag and set the layout to fair. You
+ can focus clients with __cursor__ or __hjkl__ keys then press __Enter__ to
+ select or __Escape__ to abort.
+
+ This is a modification of the original awesome library that implemented
+ expose like behavior.
+
+## Credits
+
+    * Perry Hargrave resixian@gmail.com
+    * Espen Wiborg espenhw@grumblesmurf.org
+    * Julien Danjou julien@danjou.info
+
+## License
+ (c) 2008 Espen Wiborg, Julien Danjou
diff --git a/init.lua b/init.lua
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+-- revelation.lua
+--
+-- Library that implements Expose like behavior.
+--
+-- @author Perry Hargrave resixian@gmail.com
+-- @author Espen Wiborg espenhw@grumblesmurf.org
+-- @author Julien Danjou julien@danjou.info
+--
+-- @copyright 2008 Espen Wiborg, Julien Danjou
+--
+
+local awful = awful
+local pairs = pairs
+local setmetatable = setmetatable
+local table = table
+local capi = {
+    tag = tag,
+    client = client,
+    keygrabber = keygrabber,
+    mouse = mouse,
+    screen = screen
+}
+
+module("revelation")
+
+-- FIXME: Now unused filter to grab clients based on their class.
+--
+-- @param class the class string to find
+-- @s the screen
+--
+function clients(class, s)
+    local clients
+    if class then
+        clients = {}
+        for k, c in pairs(capi.client.get(s)) do
+            if c.class == class then
+                table.insert(clients, c)
+            end
+        end
+    else
+        clients = capi.client.get(s)
+    end
+    return clients
+end
+
+-- Executed when user selects a client from expose view.
+--
+-- @param restore Function to reset the current tags view.
+function selectfn(restore)
+    return function(c)
+        restore()
+        -- Pop to client tag
+        awful.tag.viewonly(c:tags()[1], c.screen)
+        -- Focus and raise
+        capi.client.focus = c
+        c:raise()
+    end
+end
+
+-- Arrow keys and 'hjkl' move focus, Return selects, Escape cancels. Ignores
+-- modifiers.
+--
+-- @param restore a function to call if the user presses escape
+-- @return keyboardhandler
+function keyboardhandler (restore)
+    return function (mod, key, event)
+        if event ~= "press" then return true end
+        -- translate vim-style home keys to directions
+        if key == "j" or key == "k" or key == "h" or key == "l" then
+            if key == "j" then
+                key = "Down"
+            elseif key == "k" then
+                key = "Up"
+            elseif key == "h" then
+                key = "Left"
+            elseif key == "l" then
+                key = "Right"
+            end
+        end
+
+        --
+        if key == "Escape" then
+            restore()
+            return false
+        elseif key == "Return" then
+            selectfn(restore)(capi.client.focus)
+            return false
+        elseif key == "Left" or key == "Right" or
+            key == "Up" or key == "Down" then
+            awful.client.focus.bydirection(key:lower())
+        end
+        return true
+    end
+end
+
+-- Implement Exposé (ala Mac OS X).
+--
+-- @param class The class of clients to expose, or nil for all clients.
+-- @param fn A binary function f(t, n) to set the layout for tag t for n
+--           clients, or nil for the default layout.
+-- @param s The screen to consider clients of, or nil for "current screen".
+function expose(class, fn, s)
+    local scr = s or capi.mouse.screen
+    local t = capi.screen[scr]:tags()[1]
+    local oldlayout = awful.tag.getproperty( t, "layout" )
+
+    awful.tag.viewmore( capi.screen[scr]:tags(), t.screen )
+    awful.layout.set(awful.layout.suit.fair,t)
+
+    local function restore()
+        awful.layout.set(oldlayout,t)
+        awful.tag.viewonly(t)
+
+        capi.keygrabber.stop()
+    end
+
+    capi.keygrabber.run(keyboardhandler(restore))
+end
+
+setmetatable(_M, { __call = function(_, ...) return expose(...) end })