client.connect_signal(
    "manage",
    function(c)
        -- Set the windows at the slave,
        -- i.e. put it at the end of others instead of setting it master.
        -- if not awesome.startup then awful.client.setslave(c) end

        if awesome.startup
            and not c.size_hints.user_position
            and not c.size_hints.program_position then
            -- Prevent clients from being unreachable after screen count changes.
            Awful.placement.no_offscreen(c)
        end
    end
)

-- Add a titlebar if titlebars_enabled is set to true in the rules.
client.connect_signal(
    "request::titlebars",
    function(c)
        -- buttons for the titlebar
        local buttons = Gears.table.join(
            Awful.button(
                {}, 1,
                function()
                    c:emit_signal(
                        "request::activate", "titlebar",
                        { raise = true }
                    )
                    Awful.mouse.client.move(c)
                end
            ),
            Awful.button(
                {}, 3,
                function()
                    c:emit_signal(
                        "request::activate", "titlebar",
                        { raise = true }
                    )
                    Awful.mouse.client.resize(c)
                end
            )
        )

        Awful.titlebar(c):setup {
            { -- Left
                Awful.titlebar.widget.iconwidget(c),
                buttons = buttons,
                layout  = Wibox.layout.fixed.horizontal
            },
            {     -- Middle
                { -- Title
                    align  = "center",
                    widget = Awful.titlebar.widget.titlewidget(c)
                },
                buttons = buttons,
                layout  = Wibox.layout.flex.horizontal
            },
            { -- Right
                Awful.titlebar.widget.floatingbutton(c),
                Awful.titlebar.widget.maximizedbutton(c),
                Awful.titlebar.widget.stickybutton(c),
                Awful.titlebar.widget.ontopbutton(c),
                Awful.titlebar.widget.closebutton(c),
                layout = Wibox.layout.fixed.horizontal()
            },
            layout = Wibox.layout.align.horizontal
        }
    end
)

-- Enable sloppy focus, so that focus follows mouse.
-- client.connect_signal(
--     "mouse::enter",
--     function(c)
--         c:emit_signal(
--             "request::activate", "mouse_enter",
--             { raise = false }
--         )
--     end
-- )

client.connect_signal(
    "focus",
    function(c)
        c.border_color = Beautiful.border_focus
    end
)

client.connect_signal(
    "unfocus",
    function(c)
        c.border_color = Beautiful.border_normal
    end
)