awesome/lib/awful/startup_notification.lua.in

---------------------------------------------------------------------------
-- @author Julien Danjou <julien@danjou.info>
-- @copyright 2009 Julien Danjou
-- @release @AWESOME_VERSION@
---------------------------------------------------------------------------

-- Grab environment we need
local hooks = require("awful.hooks")
local ipairs = ipairs
local table = table
local capi =
{
    root = root
}

--- Startup notification module for awful
module("awful.startup_notification")

local app_starting = {}

cursor_waiting = "watch"

local function update_cursor()
    if #app_starting > 0 then
        capi.root.cursor(cursor_waiting)
    else
        capi.root.cursor("left_ptr")
    end
end

local function unregister_event(event_id)
    for k, v in ipairs(app_starting) do
        if v == event_id then
            table.remove(app_starting, k)
            update_cursor()
            break
        end
    end
end

local function register_event(event_id)
    table.insert(app_starting, event_id)
    update_cursor()
end

local function startup_hook(event)
    if event.type == "initiated" then
        register_event(event.id)
    elseif event.type == "canceled"
        or event.type == "completed" then
        unregister_event(event.id)
    end
end

hooks.startup_notification.register(startup_hook)

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