awesomewm/modules/ibus/widget.lua

local util = req_rel(..., "util")
local widget = {}

widget.ibus_indicator_text = wibox.widget.textbox("??")
widget.ibus_indicator_text.valign = "center"
widget.ibus_indicator_text.align = "center"
widget.ibus_indicator_text.font = config.core.font.normal_medium

widget.xkb_indicator_text = wibox.widget.textbox("??")
widget.xkb_indicator_text.valign = "center"
widget.xkb_indicator_text.align = "center"
widget.xkb_indicator_text.font = config.core.font.normal_small


widget.widget = wibox.widget {
	{
		{   -- Right spacer
			widget = wibox.widget.separator,
			color = beautiful.color.transparent,
			forced_width = beautiful.dpi(3)
		},

		wibox.widget {
			widget.ibus_indicator_text,
			widget.xkb_indicator_text,

			forced_num_cols = 1,
			forced_num_rows = 2,
			homogeneous     = true,
			expand          = true,
			layout = wibox.layout.grid
		},

		{   -- Left spacer
			widget = wibox.widget.separator,
			color = beautiful.color.transparent,
			forced_width = beautiful.dpi(3)
		},

		layout = wibox.layout.align.horizontal,
	},
	layout = wibox.container.background,
}


-- Change background when mouse is over widget
widget.widget:connect_signal("mouse::enter", function(result)
	widget.widget.bg = beautiful.color.bar.hover_bg
end)

widget.widget:connect_signal("mouse::leave", function(result)
	widget.widget.bg = beautiful.color.transparent
end)

widget.update = function()
	widget.ibus_indicator_text.text = config.ibus.language_list[util.current_engine_index]["indicator_code"]
	widget.xkb_indicator_text.text = util.current_xkbmap
end


-- Update every 2 seconds, just in case.
widget.update_timer = gears.timer {
	timeout = 2,
	call_now = false,
	autostart = true,
	single_shot = false,
	callback = function ()
		util.get(widget.update)
	end
}

return widget