1 files changed, 57 insertions, 0 deletions
diff --git a/.config/luastatus/battery.lua b/.config/luastatus/battery.lua
new file mode 100644
index 0000000..459599e
--- /dev/null
+++ b/.config/luastatus/battery.lua
@@ -0,0 +1,57 @@
+local function read(path)
+  local f = io.open(path)
+  if not f then return nil end
+  local v = tonumber(f:read('*l'))
+  f:close()
+  return v
+end
+
+widget = {
+  plugin = 'timer',
+  opts = { period = 2 },
+  cb = function()
+    local base        = '/sys/class/power_supply/macsmc-battery/'
+
+    local energy_now  = read(base .. 'energy_now')
+    local energy_full = read(base .. 'energy_full')
+    local status_f    = io.open(base .. 'status')
+
+    if not energy_now or not energy_full or not status_f then
+      return { { full_text = 'bat ?' } }
+    end
+
+    local status = status_f:read('*l')
+    status_f:close()
+
+    local capacity = math.floor(energy_now / energy_full * 100 + 0.5)
+
+    local text_color = '#ffffff'
+    local battery_symbol = ' '
+
+    if capacity < 30 then
+      text_color = '#ed8796'
+      battery_symbol = '󰁼'
+    elseif capacity > 70 then
+      text_color = '#a6da95'
+      battery_symbol = '󰂁'
+    else
+      text_color = '#eed49f'
+      battery_symbol = '󰁾'
+    end
+
+    local symbol = ({
+      Charging    = '󱐋',
+      Discharging = battery_symbol,
+    })[status] or ' '
+
+    return {
+      { full_text = string.format('%s %2d%%', symbol, capacity), color = text_color }
+    }
+  end,
+  event = [[
+        local t = ...
+        if t.button == 1 then
+            os.execute('~/.local/bin/rofi-ppd &')
+        end
+    ]],
+}