[awesome] add tearstop widget (and remove zsh alias for that)

home/.config/awesome/rc.lua

@@ -203,6 +203,7 @@ awful.screen.connect_for_each_screen(function(s)
         { -- Right widgets
             layout = wibox.layout.fixed.horizontal,
             wibox.widget.systray(),
+            widgets.tearstop,
             widgets.redshift,
             widgets.bluetooth,
             widgets.netdown_icon,

home/.config/awesome/theme.lua

@@ -6,7 +6,8 @@ local gfs = require("gears.filesystem")
 local layout_icons_path = gfs.get_configuration_dir() .. "icons/layouts/"
 
 local spawn = require("awful.spawn")
-local utils = require("../utils")
+local utils = require("utils")
+local helpers = require("lain.helpers")
 
 local theme = {}
 
@@ -57,7 +58,7 @@ theme.hotkeys_description_font  = "Iosevka sbruder 10"
 theme.hotkeys_modifiers_fg      = theme.fg_normal
 
 theme.wallpaper = function(s)
-    if utils.file_exists(utils.home() .. ".fehbg") then
+    if helpers.file_exists(utils.home() .. ".fehbg") then
         spawn({utils.home() .. ".fehbg"})
     end
 end

home/.config/awesome/utils.lua

@@ -1,12 +1,14 @@
-local utils = {}
+local helpers = require("lain.helpers")
 
-function utils.file_exists(name)
-   local f=io.open(name,"r")
-   if f~=nil then io.close(f) return true else return false end
-end
+local utils = {}
 
 function utils.home()
     return os.getenv("HOME") .. "/"
 end
 
+function utils.handle_pid(command, callback)
+    helpers.async_with_shell(string.format("ps x -o pid=,command=|grep -E '^\\s*[0-9]* %s$'|sed 's/\\s*\\([0-9]*\\) .*/\\1/'", command), callback)
+end
+
+
 return utils

home/.config/awesome/widgets.lua

@@ -7,6 +7,7 @@ local helpers = require("lain.helpers")
 local markup = lain.util.markup
 
 local theme = require("theme")
+local utils = require("utils")
 
 local gfs = require("gears.filesystem")
 local iconsdir = gfs.get_configuration_dir() .. "icons/"
@@ -112,7 +113,7 @@ helpers.newtimer("bluetooth", 10, widgets.bluetooth.update)
 
 widgets.redshift = wibox.widget.imagebox(iconsdir .. "redshift-on.png")
 widgets.redshift.pid = nil
-helpers.async_with_shell("ps x -o pid=,command=|grep -E '^[0-9]* redshift$' |cut -d' ' -f 1", function(pid)
+utils.handle_pid("redshift", function(pid)
     if pid and #pid > 0 then
         widgets.redshift.pid = tonumber(pid)
     else
@@ -138,4 +139,28 @@ widgets.redshift:buttons(
     )
 )
 
+widgets.tearstop = wibox.widget.imagebox(iconsdir .. "tearstop-off.png")
+utils.handle_pid("compton --backend=glx", function(pid)
+    if pid and #pid > 0 then
+        widgets.tearstop.pid = tonumber(pid)
+        widgets.tearstop:set_image(iconsdir .. "tearstop-on.png")
+    end
+end)
+widgets.tearstop.pid = nil
+
+widgets.tearstop:buttons(
+    table.join(
+        awful.button({ }, 1, function()
+            if widgets.tearstop.pid == nil then
+                widgets.tearstop.pid = awful.spawn.spawn({ "compton", "--backend=glx" })
+                widgets.tearstop:set_image(iconsdir .. "tearstop-on.png")
+            else
+                awful.spawn.spawn({ "kill", tostring(widgets.tearstop.pid) })
+                widgets.tearstop.pid = nil
+                widgets.tearstop:set_image(iconsdir .. "tearstop-off.png")
+            end
+        end)
+    )
+)
+
 return widgets

home/.zshrc.local

@@ -123,7 +123,6 @@ if which exa 2>&1 >> /dev/null;then
 fi
 alias ipy="ipython3"
 alias rls="/bin/ls --color=auto"
-alias tearstop="compton --backend=glx"
 alias line="chromium --user-data-dir=$HOME/.line --app=chrome-extension://ophjlpahpchlmihnnnihgmmeilfjmjjc/index.html"
 
 ## Environment variables