Fix the Focus Mode checkbox not updating in the menu

nw/gui/mainmenu.py

@@ -484,7 +484,7 @@ class GuiMainMenu(QMenuBar):
         self.aFocusMode.setShortcut("F8")
         self.aFocusMode.setCheckable(True)
         self.aFocusMode.setChecked(self.theParent.isFocusMode)
-        self.aFocusMode.toggled.connect(self.theParent.toggleFocusMode)
+        self.aFocusMode.triggered.connect(lambda: self.theParent.toggleFocusMode())
         self.viewMenu.addAction(self.aFocusMode)
 
         # View > Toggle Full Screen

nw/guimain.py

@@ -1079,6 +1079,7 @@ class GuiMain(QMainWindow):
             return False
 
         self.isFocusMode = not self.isFocusMode
+        self.mainMenu.aFocusMode.setChecked(self.isFocusMode)
         if self.isFocusMode:
             logger.debug("Activating Focus Mode")
             self.tabWidget.setCurrentWidget(self.splitDocs)