cpu widget rockspec
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streetturtle
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04cb123868
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-------------------------------------------------
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-- CPU Widget for Awesome Window Manager
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-- Shows the current CPU utilization
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-- More details could be found here:
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-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/cpu-widget
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-- @author Pavel Makhov
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-- @copyright 2020 Pavel Makhov
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-------------------------------------------------
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local awful = require("awful")
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local watch = require("awful.widget.watch")
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local wibox = require("wibox")
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local beautiful = require("beautiful")
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local gears = require("gears")
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local widget = {}
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local function split(string_to_split, separator)
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if separator == nil then separator = "%s" end
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local t={}
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for str in string.gmatch(string_to_split, "([^".. separator .."]+)") do
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table.insert(t, str)
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end
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return t
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end
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local function starts_with(str, start)
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return str:sub(1, #start) == start
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end
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local function worker(args)
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local args = args or {}
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local width = args.width or 50
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local step_width = args.step_width or 2
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local step_spacing = args.step_spacing or 1
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local color= args.color or beautiful.fg_normal
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local cpugraph_widget = wibox.widget {
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max_value = 100,
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background_color = "#00000000",
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forced_width = width,
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step_width = step_width,
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step_spacing = step_spacing,
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widget = wibox.widget.graph,
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color = "linear:0,0:0,20:0,#FF0000:0.3,#FFFF00:0.6," .. color
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}
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local cpu_rows = {
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spacing = 4,
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layout = wibox.layout.fixed.vertical,
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}
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local is_update = true
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local process_rows = {
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-- spacing = 8,
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layout = wibox.layout.fixed.vertical,
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}
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local process_header = {
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{
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markup = '<b>PID</b>',
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forced_width = 40,
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widget = wibox.widget.textbox
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},
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{
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markup = '<b>Name</b>',
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forced_width = 40,
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widget = wibox.widget.textbox
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},
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{
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{
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markup = '<b>%CPU</b>',
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forced_width = 40,
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widget = wibox.widget.textbox
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},
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{
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markup = '<b>%MEM</b>',
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forced_width = 40,
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widget = wibox.widget.textbox
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},
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layout = wibox.layout.fixed.horizontal
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},
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layout = wibox.layout.align.horizontal
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}
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local popup = awful.popup{
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ontop = true,
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visible = false,
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shape = gears.shape.rounded_rect,
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border_width = 1,
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border_color = beautiful.bg_normal,
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maximum_width = 300,
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offset = { y = 5 },
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widget = {}
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}
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popup:connect_signal("mouse::enter", function(c) is_update = false end)
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popup:connect_signal("mouse::leave", function(c) is_update = true end)
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cpugraph_widget:buttons(
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awful.util.table.join(
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awful.button({}, 1, function()
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if popup.visible then
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--rows = nil
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popup.visible = not popup.visible
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else
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--init_popup()
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popup:move_next_to(mouse.current_widget_geometry)
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end
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end)
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)
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)
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--- By default graph widget goes from left to right, so we mirror it and push up a bit
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local cpu_widget = wibox.container.margin(wibox.container.mirror(cpugraph_widget, { horizontal = true }), 0, 0, 0, 2)
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local cpus = {}
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watch([[bash -c "cat /proc/stat | grep '^cpu.' ; ps -eo '%p|%c|%C|' -o "%mem" -o '|%a' --sort=-%cpu | head -11 | tail -n +2"]], 1,
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function(widget, stdout)
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local i = 1
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local j = 1
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for line in stdout:gmatch("[^\r\n]+") do
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if starts_with(line, 'cpu') then
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if cpus[i] == nil then cpus[i] = {} end
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local name, user, nice, system, idle, iowait, irq, softirq, steal, guest, guest_nice =
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line:match('(%w+)%s+(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)')
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local total = user + nice + system + idle + iowait + irq + softirq + steal
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local diff_idle = idle - tonumber(cpus[i]['idle_prev'] == nil and 0 or cpus[i]['idle_prev'])
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local diff_total = total - tonumber(cpus[i]['total_prev'] == nil and 0 or cpus[i]['total_prev'])
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local diff_usage = (1000 * (diff_total - diff_idle) / diff_total + 5) / 10
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cpus[i]['total_prev'] = total
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cpus[i]['idle_prev'] = idle
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if i == 1 then
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widget:add_value(diff_usage)
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end
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local row = wibox.widget
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{
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{
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text = name,
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forced_width = 40,
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widget = wibox.widget.textbox
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},
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{
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text = math.floor(diff_usage) .. '%',
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forced_width = 40,
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widget = wibox.widget.textbox
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},
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{
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max_value = 100,
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value = diff_usage,
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forced_height = 20,
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forced_width = 150,
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paddings = 1,
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margins = 4,
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border_width = 1,
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border_color = beautiful.bg_focus,
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background_color = beautiful.bg_normal,
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bar_border_width = 1,
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bar_border_color = beautiful.bg_focus,
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color = "linear:150,0:0,0:0,#D08770:0.3,#BF616A:0.6," .. beautiful.fg_normal,
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widget = wibox.widget.progressbar,
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},
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layout = wibox.layout.align.horizontal
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}
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cpu_rows[i] = row
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i = i + 1
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else
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if is_update == true then
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local columns = split(line, '|')
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local pid = columns[1]
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local comm = columns[2]
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local cpu = columns[3]
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local mem = columns[4]
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local cmd = columns[5]
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local row = wibox.widget {
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{
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{
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{
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text = pid,
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forced_width = 40,
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widget = wibox.widget.textbox
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},
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{
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text = comm,
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forced_width = 40,
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widget = wibox.widget.textbox
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},
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{
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{
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text = cpu,
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forced_width = 40,
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widget = wibox.widget.textbox
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},
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{
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text = mem,
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forced_width = 40,
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widget = wibox.widget.textbox
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},
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layout = wibox.layout.align.horizontal
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},
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layout = wibox.layout.align.horizontal
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},
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top = 4,
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bottom = 4,
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widget = wibox.container.margin
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},
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widget = wibox.container.background
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}
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-- Do not update process rows when mouse cursor is over the widget
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row:connect_signal("mouse::enter", function(c) c:set_bg(beautiful.bg_focus) end)
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row:connect_signal("mouse::leave", function(c) c:set_bg(beautiful.bg_normal) end)
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awful.tooltip {
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objects = { row },
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mode = 'outside',
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preferred_positions = {'bottom'},
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timer_function = function()
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return cmd
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:gsub('%s%-', '\n\t-') -- put arguments on a new line
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:gsub(':/', '\n\t\t:/') -- java classpath uses : to separate jars
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end,
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}
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process_rows[j] = row
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j = j + 1
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end
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end
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end
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popup:setup {
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{
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cpu_rows,
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{
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orientation = 'horizontal',
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forced_height = 15,
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color = beautiful.bg_focus,
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widget = wibox.widget.separator
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},
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process_header,
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process_rows,
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layout = wibox.layout.fixed.vertical,
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},
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margins = 8,
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widget = wibox.container.margin
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}
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end,
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cpugraph_widget
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)
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return cpu_widget
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end
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return setmetatable(widget, { __call = function(_, ...)
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return worker(...)
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end })
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@ -0,0 +1,26 @@
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package = "cpu-widget"
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version = "0.0.1"
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source = {
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url = "https://github.com/streetturtle/awesome-wm-widgets/tree/rocks/cpu-widget/cpu-widget-0.0.1.tar.gz"
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}
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description = {
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summary = "CPU widget for Awesome Window Manager",
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detailed = [[
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CPU widget for Awesome
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Window Manager.
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]],
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homepage = "https://github.com/streetturtle/awesome-wm-widgets/tree/master/cpu-widget",
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license = "MIT"
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}
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supported_platforms = {
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"linux"
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}
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dependencies = {
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"lua >= 5.2"
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}
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build = {
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type = "builtin",
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modules = {
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["cpu-widget"] = "cpu-widget.lua"
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}
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}
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