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---------------------------------------------------------------------------
--- Autofocus functions.
--
-- When loaded, this module makes sure that there's always a client that will
-- have focus on events such as tag switching, client unmanaging, etc.
--
-- @author Julien Danjou <julien@danjou.info>
-- @copyright 2009 Julien Danjou
-- @module awful.autofocus
---------------------------------------------------------------------------
local client = client
local aclient = require("awful.client")
local timer = require("gears.timer")
--- Give focus when clients appear/disappear.
--
-- @param obj An object that should have a .screen property.
local function check_focus(obj)
if not obj.screen.valid then return end
-- When no visible client has the focus...
if not client.focus or not client.focus:isvisible() then
local c = aclient.focus.history.get(screen[obj.screen], 0, aclient.focus.filter)
if c then
c:emit_signal("request::activate", "autofocus.check_focus",
{raise=false})
end
end
end
--- Check client focus (delayed).
-- @param obj An object that should have a .screen property.
local function check_focus_delayed(obj)
timer.delayed_call(check_focus, {screen = obj.screen})
end
--- Give focus on tag selection change.
--
-- @param tag A tag object
local function check_focus_tag(t)
local s = t.screen
if (not s) or (not s.valid) then return end
s = screen[s]
check_focus({ screen = s })
if client.focus and screen[client.focus.screen] ~= s then
local c = aclient.focus.history.get(s, 0, aclient.focus.filter)
if c then
c:emit_signal("request::activate", "autofocus.check_focus_tag",
{raise=false})
end
end
end
tag.connect_signal("property::selected", function (t)
timer.delayed_call(check_focus_tag, t)
end)
client.connect_signal("unmanage", check_focus_delayed)
client.connect_signal("tagged", check_focus_delayed)
client.connect_signal("untagged", check_focus_delayed)
client.connect_signal("property::hidden", check_focus_delayed)
client.connect_signal("property::minimized", check_focus_delayed)
client.connect_signal("property::sticky", check_focus_delayed)
-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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