also show with left click

linux/PKGBUILD

 # Maintainer: Thomas Buck <thomas@xythobuz.de>
 pkgname=CaseLights
 pkgver=0.2
-pkgrel=1
+pkgrel=2
 pkgdesc="RGB LED and UV strip controls"
 arch=('any')
 license=('unknown')

linux/caselights

 import serial, serial.tools, serial.tools.list_ports
 from PyQt5 import QtWidgets, QtGui, QtCore
 from PyQt5.QtWidgets import QSystemTrayIcon, QAction, QMenu
-from PyQt5.QtGui import QIcon, QPixmap
+from PyQt5.QtGui import QIcon, QPixmap, QCursor
 from PyQt5.QtCore import QCoreApplication, QSettings
 
 class CaseLights():
         trayIcon = QSystemTrayIcon(icon)
         trayIcon.setToolTip(self.name + " " + self.version)
         trayIcon.setContextMenu(self.menu)
+        trayIcon.activated.connect(self.showHide)
         trayIcon.setVisible(True)
 
         sys.exit(app.exec_())
 
+    def showHide(self, activationReason):
+        if activationReason == QSystemTrayIcon.Trigger:
+            self.menu.popup(QCursor.pos())
+
     def exit(self):
         if self.serial is not None:
             if self.serial.is_open:

linux/de.xythobuz.caselights.desktop

 [Desktop Entry]
 Type=Application
-Version=1.0
+Version=0.2
 Name=CaseLights
 Comment=RGB LED and UV strip controls
 Path=/usr/bin