titlebar.rb

################################################################
#
# titlebar.rb - context-sensitive xterm title manipulation
# 
# based off of titlebar.pl by erikh which is does the same thing
#
# By Erik Hollensbe <erik@hollensbe.org>
#
################################################################
#
# Usage: just throw this in autorun and let it do it's magic.
#
################################################################

Weechat.register(
    "titlebar", 
    "Erik Hollensbe", 
    "1.0", 
    "BSD",
    "context-sensitive xterm title manipulation", 
    "", 
    ""
)

def weechat_init
    Weechat.hook_signal("hotlist_changed", "change_titlebar", "")
    Weechat.hook_signal("buffer_switch", "change_titlebar", "")
end

def change_titlebar(*args)
    hotlists = parse_infolist("hotlist")
    active = hotlists.map { |x| x[:buffer_number] }

    buffers = parse_infolist("buffer")
    curbuf = buffers.find { |x| x[:current_buffer] > 0 }

    STDERR.print "\033]0;Weechat: #{curbuf[:short_name]}"
    if active.size > 0
        STDERR.print " | Act: [#{active.join(",")}]"
    end
    STDERR.print "\007";

    return Weechat::WEECHAT_RC_OK
end

def parse_infolist(type)
    infolist_ptr = Weechat.infolist_get(type, "", "")
    ret = []
    while Weechat.infolist_next(infolist_ptr) > 0
        h = { }
        str = Weechat.infolist_fields(infolist_ptr)
        str.split(/,/).collect do |item|
            type, name = item.split(/:/)
            case type
            when 'p'
                h[name.to_sym] = Weechat.infolist_pointer(infolist_ptr, name)
            when 'i'
                h[name.to_sym] = Weechat.infolist_integer(infolist_ptr, name)
            when 's'
                h[name.to_sym] = Weechat.infolist_string(infolist_ptr, name)
            when 'b'
                # FIXME: not exposed to script API yet.
                # h[name.to_sym] = Weechat.infolist_infolist(infolist_ptr, name)
            when 't'
                h[name.to_sym] = Weechat.infolist_time(infolist_ptr, name)
            else
                Weechat.print("", "parse_infolist(): Unknown type for #{name}: #{type}\n")
            end
        end

        ret.push h
    end

    return ret
end