add popup to cpu widget with cpu load bars

1 files changed, 99 insertions, 18 deletions

diff --git a/cpu-widget/cpu-widget.lua b/cpu-widget/cpu-widget.lua
index 0e027dd..e5762f9 100644
--- a/cpu-widget/cpu-widget.lua
+++ b/cpu-widget/cpu-widget.lua
@@ -5,12 +5,14 @@
 -- https://github.com/streetturtle/awesome-wm-widgets/tree/master/cpu-widget
 
 -- @author Pavel Makhov
--- @copyright 2019 Pavel Makhov
+-- @copyright 2020 Pavel Makhov
 -------------------------------------------------
 
+local awful = require("awful")
 local watch = require("awful.widget.watch")
 local wibox = require("wibox")
 local beautiful = require("beautiful")
+local gears = require("gears")
 
 local widget = {}
 
@@ -33,33 +35,112 @@ local function worker(args)
         color = "linear:0,0:0,20:0,#FF0000:0.3,#FFFF00:0.6," .. color
     }
 
-    --- By default graph widget goes from left to right, so we mirror it and push up a bit
-    local cpu_widget = wibox.container.margin(wibox.container.mirror(cpugraph_widget, { horizontal = true }), 0, 0, 0, 2)
-
-    local total_prev = 0
-    local idle_prev = 0
+    local rows = {
+        { widget = wibox.widget.textbox },
+        spacing = 4,
+        layout = wibox.layout.fixed.vertical,
 
-    watch([[bash -c "cat /proc/stat | grep '^cpu '"]], 1,
-            function(widget, stdout)
-                local user, nice, system, idle, iowait, irq, softirq, steal, guest, guest_nice =
-                        stdout:match('(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s')
+    }
 
-                local total = user + nice + system + idle + iowait + irq + softirq + steal
+    local popup = awful.popup{
+        ontop = true,
+        visible = false,
+        shape = gears.shape.rounded_rect,
+        border_width = 1,
+        border_color = beautiful.bg_normal,
+        maximum_width = 300,
+        offset = { y = 5 },
+        widget = {}
+    }
 
-                local diff_idle = idle - idle_prev
-                local diff_total = total - total_prev
-                local diff_usage = (1000 * (diff_total - diff_idle) / diff_total + 5) / 10
+    cpugraph_widget:buttons(
+            awful.util.table.join(
+                    awful.button({}, 1, function()
+                        if popup.visible then
+                            --rows = nil
+                            popup.visible = not popup.visible
+                        else
+                            --init_popup()
+                            popup:move_next_to(mouse.current_widget_geometry)
+                        end
+                    end)
+            )
+    )
 
-                widget:add_value(diff_usage)
+    --- By default graph widget goes from left to right, so we mirror it and push up a bit
+    local cpu_widget = wibox.container.margin(wibox.container.mirror(cpugraph_widget, { horizontal = true }), 0, 0, 0, 2)
 
-                total_prev = total
-                idle_prev = idle
+    local cpus = {}
+    watch([[bash -c "cat /proc/stat | grep '^cpu.'"]], 1,
+            function(widget, stdout)
+                local i = 1
+                for cur in stdout:gmatch("[^\r\n]+") do
+                    if cpus[i] == nil then cpus[i] = {} end
+
+                    local name, user, nice, system, idle, iowait, irq, softirq, steal, guest, guest_nice =
+                        cur:match('(%w+)%s+(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)')
+
+                    local total = user + nice + system + idle + iowait + irq + softirq + steal
+
+                    local diff_idle = idle - tonumber(cpus[i]['idle_prev'] == nil and 0 or cpus[i]['idle_prev'])
+                    local diff_total = total - tonumber(cpus[i]['total_prev'] == nil and 0 or cpus[i]['total_prev'])
+                    local diff_usage = (1000 * (diff_total - diff_idle) / diff_total + 5) / 10
+
+                    cpus[i]['total_prev'] = total
+                    cpus[i]['idle_prev'] = idle
+
+                    if i == 1 then
+                        widget:add_value(diff_usage)
+                    end
+
+                    local row = wibox.widget
+                    {
+                        {
+                            text = name,
+                            forced_width = 40,
+                            widget = wibox.widget.textbox
+                        },
+                        {
+                            text = string.format('%i%%', diff_usage),
+                            forced_width = 40,
+                            widget = wibox.widget.textbox
+                        },
+                        {
+                            max_value = 100,
+                            value = diff_usage,
+                            forced_height = 20,
+                            forced_width = 150,
+                            paddings = 1,
+                            margins = 4,
+                            border_width = 1,
+                            border_color = beautiful.bg_focus,
+                            background_color = beautiful.bg_normal,
+                            bar_border_width = 1,
+                            bar_border_color = beautiful.bg_focus,
+                            color = beautiful.bg_focus,
+                            widget = wibox.widget.progressbar,
+
+                        },
+                        layout = wibox.layout.align.horizontal
+                    }
+
+                    rows[i] = row
+
+                    i = i + 1
+                end
+                popup:setup {
+                    {
+                        rows,
+                        layout = wibox.layout.align.vertical,
+                    },
+                    margins = 8,
+                    widget = wibox.container.margin
+                }
             end,
             cpugraph_widget
     )
 
     return cpu_widget
-
 end
 
 return setmetatable(widget, { __call = function(_, ...)