awesomewm/lockhl.lua
2024-03-13 15:10:13 +01:00

47 lines
1.2 KiB
Lua

-- change color of wibars on numlock/capslock/scrolllock
--
local awful = require("awful")
local beautiful = require("beautiful")
local lockhl = { bg_lock = beautiful.bg_urgent, bg_normal = beautiful.bg_normal }
local target_wibars = {}
function lockhl:setup(wibars, bg_lock, bg_normal)
target_wibars = wibars
if bg_lock then self.bg_lock = bg_lock end
if bg_normal then self.bg_normal = bg_normal end
return lockhl
end
local function check_lock(lock, cb)
awful.spawn.with_line_callback(
'bash -c "sleep 0.2; xset q | grep -Po \\"' .. lock .. ' Lock:\\\\s*\\\\K(on|off)\\" 2>&1"',
{ stdout = function(output) cb(output == "on") end }
)
end
function lockhl:target_color(is_on, lock)
if is_on then
if type(self.bg_lock) == 'table' then
return self.bg_lock[lock]
else
return self.bg_lock
end
else
return self.bg_normal
end
end
function lockhl:on_lock(lock)
check_lock(lock, function(is_on)
local newbg = self:target_color(is_on, lock)
for _, bar in pairs(target_wibars) do
bar.bg = newbg
end
end)
end
return setmetatable(lockhl, { __call = function(_, lock)
return function() lockhl:on_lock(lock) end
end })