.config/awesome/signals/awesome.lua


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-- Taken from https://www.reddit.com/r/awesomewm/comments/syjolb/comment/hy0xy35/

awesome.connect_signal("exit", function(reason_restart)
    if not reason_restart then
        return
    end

    local file = io.open("/tmp/awesomewm-last-selected-tags", "w+")

    for s in screen do
        file:write(s.selected_tag.index, "\n")
    end

    file:close()
end)

awesome.connect_signal("startup", function()
    local file = io.open("/tmp/awesomewm-last-selected-tags", "r")
    if not file then
        return
    end

    local selected_tags = {}

    for line in file:lines() do
        table.insert(selected_tags, tonumber(line))
    end

    for s in screen do
        local i = selected_tags[s.index]
        local t = s.tags[i]
        t:view_only()
    end

    file:close()
end)