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RICE/redhound/widget/package-updater/init.lua

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+-------------------------------------------------
+-- Battery Widget for Awesome Window Manager
+-- Shows the battery status using the ACPI tool
+-- More details could be found here:
+-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/battery-widget
+
+-- @author Pavel Makhov
+-- @copyright 2017 Pavel Makhov
+-------------------------------------------------
+
+local awful = require('awful')
+local naughty = require('naughty')
+local watch = require('awful.widget.watch')
+local wibox = require('wibox')
+local clickable_container = require('widget.material.clickable-container')
+local gears = require('gears')
+local dpi = require('beautiful').xresources.apply_dpi
+
+-- acpi sample outputs
+-- Battery 0: Discharging, 75%, 01:51:38 remaining
+-- Battery 0: Charging, 53%, 00:57:43 until charged
+
+local HOME = os.getenv('HOME')
+local PATH_TO_ICONS = HOME .. '/.config/awesome/widget/package-updater/icons/'
+local updateAvailable = false
+local numOfUpdatesAvailable
+
+local widget =
+  wibox.widget {
+  {
+    id = 'icon',
+    widget = wibox.widget.imagebox,
+    resize = true
+  },
+  layout = wibox.layout.align.horizontal
+}
+
+local widget_button = clickable_container(wibox.container.margin(widget, dpi(14), dpi(14), dpi(4), dpi(4)))
+widget_button:buttons(
+  gears.table.join(
+    awful.button(
+      {},
+      1,
+      nil,
+      function()
+        if updateAvailable then
+          awful.spawn('pamac-manager --updates')
+        else
+          awful.spawn('pamac-manager')
+        end
+      end
+    )
+  )
+)
+-- Alternative to naughty.notify - tooltip. You can compare both and choose the preferred one
+awful.tooltip(
+  {
+    objects = {widget_button},
+    mode = 'outside',
+    align = 'right',
+    timer_function = function()
+      if updateAvailable then
+        return numOfUpdatesAvailable .. ' updates are available'
+      else
+        return 'We are up-to-date!'
+      end
+    end,
+    preferred_positions = {'right', 'left', 'top', 'bottom'}
+  }
+)
+
+-- To use colors from beautiful theme put
+-- following lines in rc.lua before require("battery"):
+--beautiful.tooltip_fg = beautiful.fg_normal
+--beautiful.tooltip_bg = beautiful.bg_normal
+
+local function show_battery_warning()
+  naughty.notify {
+    icon = PATH_TO_ICONS .. 'battery-alert.svg',
+    icon_size = dpi(48),
+    text = 'Huston, we have a problem',
+    title = 'Battery is dying',
+    timeout = 5,
+    hover_timeout = 0.5,
+    position = 'bottom_left',
+    bg = '#d32f2f',
+    fg = '#EEE9EF',
+    width = 248
+  }
+end
+
+local last_battery_check = os.time()
+watch(
+  'pamac checkupdates',
+  60,
+  function(_, stdout)
+    numOfUpdatesAvailable = tonumber(stdout:match('.-\n'):match('%d*'))
+    local widgetIconName
+    if (numOfUpdatesAvailable ~= nil) then
+      updateAvailable = true
+      widgetIconName = 'package-up'
+    else
+      updateAvailable = false
+      widgetIconName = 'package'
+    end
+    widget.icon:set_image(PATH_TO_ICONS .. widgetIconName .. '.svg')
+    collectgarbage('collect')
+  end,
+  widget
+)
+
+return widget_button