Fixed missing tray icon tooltip

.project

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>brightness-control-applet</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+	</buildSpec>
+	<natures>
+	</natures>
+</projectDescription>

src/init.py

@@ -18,7 +18,7 @@
 # <http://www.gnu.org/licenses/>.
 import sys
 import getpass
-import os
+from os import path, remove, makedirs
 from PySide2 import QtGui, QtCore, QtWidgets
 from PySide2.QtCore import QSize
 from PySide2.QtGui import QIcon
@@ -177,6 +177,7 @@ class MyApplication(QtWidgets.QMainWindow):
         self.tray_icon.connect(
             QtCore.SIGNAL("activated(QSystemTrayIcon::ActivationReason)"), self._icon_activated)
         self.tray_icon.setContextMenu(self.tray_menu)
+        self.tray_icon.setToolTip("Brightness Control")
         self.tray_icon.show()
 
     def _icon_activated(self, reason):
@@ -719,7 +720,7 @@ if __name__ == "__main__":
         APP.setStyle('gtk')
     else:
         APP.setStyle('kvantum')
-    APP.setActivationWindow(WINDOW)
 
+    APP.setActivationWindow(WINDOW)
     WINDOW.show()
     sys.exit(APP.exec_())