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