Initial Commit

widget/brightness/brightness-slider.lua

@@ -0,0 +1,49 @@
+local wibox = require('wibox')
+local mat_list_item = require('widget.material.list-item')
+local mat_slider = require('widget.material.slider')
+local mat_icon_button = require('widget.material.icon-button')
+local clickable_container = require('widget.material.clickable-container')
+local icons = require('theme.icons')
+local watch = require('awful.widget.watch')
+local spawn = require('awful.spawn')
+
+local slider =
+  wibox.widget {
+  read_only = false,
+  widget = mat_slider
+}
+
+slider:connect_signal(
+  'property::value',
+  function()
+    spawn('xbacklight -set ' .. math.max(slider.value, 5))
+  end
+)
+
+watch(
+  [[bash -c "xbacklight -get"]],
+  1,
+  function(widget, stdout, stderr, exitreason, exitcode)
+    local brightness = string.match(stdout, '(%d+)')
+
+    slider:set_value(tonumber(brightness))
+    collectgarbage('collect')
+  end
+)
+
+local icon =
+  wibox.widget {
+  image = icons.brightness,
+  widget = wibox.widget.imagebox
+}
+
+local button = mat_icon_button(icon)
+
+local brightness_setting =
+  wibox.widget {
+  button,
+  slider,
+  widget = mat_list_item
+}
+
+return brightness_setting