revelation: remove

No more maintained.

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

lib/revelation.lua.in

@@ -1,138 +0,0 @@
----------------------------------------------------------------------------
--- @author Espen Wiborg <espenhw@grumblesmurf.org>
--- @author Julien Danjou <julien@danjou.info>
--- @copyright 2008 Espen Wiborg, Julien Danjou
--- @release @AWESOME_VERSION@
----------------------------------------------------------------------------
-
-local math = math
-local table = table
-local pairs = pairs
-local button = button
-local otable = otable
-local awful =
-{
-    tag = require("awful.tag"),
-    client = require("awful.client")
-}
-local capi =
-{
-    tag = tag,
-    client = client,
-    keygrabber = keygrabber,
-    mouse = mouse
-}
-
---- Exposé implementation
-module("revelation")
-
--- Layout functions
-layout = {}
-
---- The default layout function for revelation
--- Tries to arrange clients in an approximated square grid, by
--- calculating c = floor(sqrt(n)) and arranging for c columns in a
--- tile layout.
--- @param t The tag to do revelation on.
--- @param n The number of clients to reveal.
-function layout.default (t, n)
-    t.layout = "tile"
-    local columns = math.floor(math.sqrt(n))
-
-    if columns > 1 then
-        t.mwfact = 1 / columns
-        t.ncol = columns - 1
-    end
-    t.nmaster = n / columns
-end
-
-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
-
-function selectfn(restore)
-    return function(c)
-               restore()
-               -- Pop to client tag
-               awful.tag.viewonly(c:tags()[1])
-               -- Focus and raise
-               capi.client.focus = c
-               c:raise()
-           end
-end
-
---- Returns keyboardhandler.
--- Arrow keys move focus, Return selects, Escape cancels.
--- Ignores modifiers.
-function keyboardhandler (restore)
-    return function (mod, key, event)
-                if event ~= "press" then return true end
-                if key == "Escape" then
-                    restore()
-                    awful.tag.history.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 (from 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 revelation(class, fn, s)
-    local screen = s or capi.mouse.screen
-    local layout_fn = fn or layout.default
-    local data = otable()
-
-    local clients = clients(class, screen)
-    if #clients == 0 then
-        return
-    end
-
-    local tag = capi.tag("Revelation")
-    tag.screen = screen
-
-    layout_fn(tag, #clients)
-
-    local function restore()
-        for k, cl in pairs(tag:clients()) do
-            -- Clear revelation tag
-            local tags = cl:tags()
-            if tags[tag] then
-                tags[tags[tag]] = nil
-            end
-            cl:tags(tags)
-            -- Restore client mouse bindings
-            cl:buttons(data[cl])
-            data[cl] = nil
-        end
-        tag.screen = nil
-        capi.keygrabber.stop()
-    end
-
-    for k, c in pairs(clients) do
-        data[c] = c:buttons()
-        c:buttons({ button({}, 1, selectfn(restore)) })
-    end
-    tag:clients(clients)
-    awful.tag.viewonly(tag)
-    capi.keygrabber.run(keyboardhandler(restore))
-end