system resources widget: Make screens it appears on configurable

default_config.lua

@@ -33,6 +33,7 @@ config.windowSwitcher = "rofi -show window -config " .. awful.util.getdir("confi
 config.volume_osd_timeout = 2
 
 -- System resources widget
+config.system_resources_widget_screens = { 1, 2 }
 config.system_resources_widget_refresh_interval = 1.5 -- In seconds
 
 

rc.lua

@@ -300,6 +300,15 @@ awful.screen.connect_for_each_screen(function(s)
         height = 32
     })
 
+    function matchesScreen(screens)
+        for _, allowedScreen in ipairs(screens) do
+            if allowedScreen == s.index then
+                return true
+            end
+        end
+        return false
+    end
+
     -- Add widgets to the wibox
     s.mywibox:setup {
         layout = wibox.layout.align.horizontal,
@@ -311,7 +320,7 @@ awful.screen.connect_for_each_screen(function(s)
         },
         s.mytasklist, -- Middle widget
         { -- Right widgets
-            s.index == 2 and system_resources_widget.widget or nil,
+            matchesScreen(config.system_resources_widget_screens) and system_resources_widget.widget or nil,
             layout = wibox.layout.fixed.horizontal,
             mykeyboardlayout,
             wibox.widget.systray(),