awesome-autohide-tags.lua

-- Autohide tags with no clients. {{{
-- Based on eminent (https://github.com/guotsuan/eminent), without monkey-patching viewidx.
local function autohidetags(screen)
    for k, t in ipairs(awful.tag.gettags(screen)) do
        if t.selected or #t:clients() > 0 then
            awful.tag.setproperty(t, "hide", false)
        else
            awful.tag.setproperty(t, "hide", true)
        end
    end
end

-- Callback for signals to update hidden status.
local function uc(c) autohidetags(c.screen) end
local function ut(s,t) autohidetags(s.index) end

capi.client.connect_signal("unmanage", uc)
capi.client.connect_signal("new", function(c)
    c:connect_signal("property::screen", uc)
    -- c:connect_signal("property::urgent", uc)
    c:connect_signal("tagged", uc)
    c:connect_signal("untagged", uc)
    -- c:connect_signal("focus", uc)
    -- c:connect_signal("unfocus", uc)
end)

for screen=1, capi.screen.count() do
    awful.tag.attached_connect_signal(screen, "property::selected", ut)
    -- awful.tag.attached_connect_signal(screen, "property::icon", ut)
    -- awful.tag.attached_connect_signal(screen, "property::hide", ut)
    -- awful.tag.attached_connect_signal(screen, "property::name", ut)
    awful.tag.attached_connect_signal(screen, "property::activated", ut)
    awful.tag.attached_connect_signal(screen, "property::screen", ut)
    -- awful.tag.attached_connect_signal(screen, "property::index", ut)

    --awful.tag.attached_connect_signal(screen, "tag::history::update",uc)
    capi.screen[screen]:connect_signal("tag::history::update", ut)
    -- --capi.screen[screen]:connect_signal("tag::detach", ut)
end