dotfiles/awesome/components/pastel/top-panel.lua

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-- ===================================================================
-- Initialization
-- ===================================================================


local awful = require("awful")
local beautiful = require("beautiful")
local wibox = require("wibox")
local theme = require("theme")
local lain = require("lain")
local dpi = beautiful.xresources.apply_dpi
local battery_widget = require("widgets.battery-widget.battery")
local volume_widget = require("widgets.volume-widget.volume")

-- import widgets
local task_list = require("widgets.task-list")


-- ===================================================================
-- Helper functions
-- ===================================================================

local function pl(widget, bgcolor, adjacentcolor)
    local container = wibox.widget{
        {
            {
                layout = wibox.layout.fixed.horizontal,
                wibox.layout.margin(widget, dpi(6), dpi(10)),
                lain.util.separators.arrow_left(bgcolor, adjacentcolor),
            },
            bg = bgcolor,
            widget = wibox.container.background
        },
        top = 2, bottom = 2, left = 0, right = 0,
        widget = wibox.container.margin
    }
    return container
end


-- ===================================================================
-- Custom Widgets
-- ===================================================================

local top_panel = {}
local task_lists = {layout = wibox.layout.fixed.horizontal}
awful.screen.connect_for_each_screen(function(s)
    table.insert(task_lists, task_list.create(s))
end)

local updates_indicator = wibox.widget{
    {
        layout = wibox.layout.fixed.horizontal,
        {
            {
                widget = awful.widget.watch('bash -c "checkupdates | wc -l"', 360),
            },
            top = 0, bottom = 0, left = 0, right = 0,
            widget = wibox.container.margin
        },
        {
            {
                image = "/usr/share/icons/Papirus/48x48/apps/org.kde.archUpdate.svg",
                forced_width = 18,
                widget = wibox.widget.imagebox,
            },
            top = 7, bottom = 0, left = 5, right = 0,
            widget = wibox.container.margin
        }
    },
    widget = wibox.container.background
}

local frequency_widget = wibox.widget{
    layout = wibox.layout.fixed.horizontal,
    awful.widget.watch('bash -c "/usr/bin/cat /proc/cpuinfo | grep MHz | cut -b 12- | sort -r | head -n 1 | xargs printf \'%f / 1000\n\' | bc -l | awk \'{printf \\"%.2f\\n\\", $0}\'"', 1),
    wibox.widget.textbox('GHz')
}

local memory_widget = wibox.widget{
    layout = wibox.layout.fixed.horizontal,
    lain.widget.mem({
        settings = function()
            widget:set_markup(lain.util.markup.font(theme.font, mem_now.used .. " MB"))
        end,
    }),
}

local cpu_widget = wibox.widget{
    layout = wibox.layout.fixed.horizontal,
    lain.widget.cpu({
        settings = function()
            widget:set_markup(lain.util.markup.font(theme.font, "CPU:  " .. cpu_now.usage .. "%"))
        end,
    })
}

-- ===================================================================
-- Bar Creation
-- ===================================================================

top_panel.create = function(s)
   local panel = awful.wibar({
      screen = s,
      position = "top",
      ontop = true,
      height = beautiful.top_panel_height,
      width = s.geometry.width,
      bg = theme.bg_normal .. "99"
   })

   panel:setup {
      expand = "none",
      layout = wibox.layout.align.horizontal,
      task_lists,
      wibox.widget.textclock('%a %b %d, %H:%M:%S', 1),
      {
         layout = wibox.layout.fixed.horizontal,
         pl(wibox.widget{}, theme.bg_normal .. "00", theme.top_panel_powerline),
         pl(wibox.widget.systray(), theme.top_panel_powerline, theme.bg_normal),
         pl(volume_widget({widget_type='icon_and_text'}), theme.bg_normal, theme.top_panel_powerline),
         pl(updates_indicator, theme.top_panel_powerline, theme.bg_normal),
         pl(memory_widget, theme.bg_normal, theme.top_panel_powerline),
         pl(cpu_widget, theme.top_panel_powerline,  theme.bg_normal),
         pl(frequency_widget, theme.bg_normal, theme.top_panel_powerline),
         pl(awful.widget.watch('bash -c "sensors | grep Tctl | cut -f 10 -d \' \' | cut -c 2-"', 5), theme.top_panel_powerline, theme.bg_normal),
         pl(require("widgets.layout-box"), theme.bg_normal, theme.bg_normal),
      }
   }


   -- ===================================================================
   -- Functionality
   -- ===================================================================


   -- hide panel when client is fullscreen
   local function change_panel_visibility(client)
      if client.screen == s then
         panel.ontop = not client.fullscreen
      end
   end

   -- connect panel visibility function to relevant signals
   client.connect_signal("property::fullscreen", change_panel_visibility)
   client.connect_signal("focus", change_panel_visibility)

   updates_indicator:connect_signal("button::press", function(c, _, _, button)
         awful.spawn('bash -c "WINIT_X11_SCALE_FACTOR=1 alacritty -e bash -c \"yay ; echo \'\\nDone, press any key to exit...\' ; read\""')
   end)

end

return top_panel