95 lines
2.4 KiB
Lua
95 lines
2.4 KiB
Lua
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local util = {}
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util.current_engine = ""
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util.current_engine_index = nil
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util.current_xkbmap = ""
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-- Update current_engine and current_engine index,
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-- call callback() when done.
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util.get = function(callback)
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-- Get current ibus engine
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awful.spawn.easy_async(
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"ibus engine",
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function(stdout, stderr, exitreason, exitcode)
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util.current_engine = string.gsub(stdout, "\n", "")
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util.current_engine_index = nil
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-- Find the current engine's index in conf.ibus_language_list.
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-- If it is not there, util.current_engine_index will be nil.
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for k, v in pairs(conf.ibus_language_list) do
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if (v["ibus_engine"] == util.current_engine) then
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util.current_engine_index = k
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end
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end
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-- Get current xkbmap
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awful.spawn.easy_async(
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"setxkbmap -query",
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function(stdout, stderr, exitreason, exitcode)
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util.current_xkbmap = string.match(stdout, "layout:%s+(%w+)")
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-- When everything is done, run callback if it is given.
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if callback then
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callback()
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end
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end
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)
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end
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)
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end
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-- Set engine to language_index.
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-- calls util.get(callback) when done.
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util.set = function(language_index, callback)
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-- engine is an index of the language list above
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local engine = conf.ibus_language_list[language_index]["ibus_engine"]
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-- Get required engine, if one is given
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local requires_engine
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for k, v in pairs(conf.ibus_language_list) do
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if (v["ibus_engine"] == engine) then
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requires_engine = v["requires_engine"]
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end
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end
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-- If a required xkb engine is given, but it is not active, switch to it before switching to the target
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if (requires_engine ~= util.current_engine) and (requires_engine ~= nil) then
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awful.spawn.easy_async(
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"ibus engine " .. requires_engine,
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function(stdout, stderr, exitreason, exitcode)
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awful.spawn.easy_async(
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"ibus engine " .. engine,
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function(stdout, stderr, exitreason, exitcode)
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util.get(callback)
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end
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)
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end
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)
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else
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awful.spawn.easy_async(
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"ibus engine " .. engine,
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function(stdout, stderr, exitreason, exitcode)
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util.get(callback)
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end
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)
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end
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end
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-- Calls util.set(callback) with next language in list.
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util.next = function(callback)
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if (util.current_engine_index == nil) or (util.current_engine_index == #conf.ibus_language_list) then
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util.current_engine_index = 1
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else
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util.current_engine_index = util.current_engine_index + 1
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end
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util.set(util.current_engine_index, callback)
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end
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return util
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