diff --git a/enaml/qt/q_popup_view.py b/enaml/qt/q_popup_view.py
index a54e4278a..2d9b1fa79 100644
--- a/enaml/qt/q_popup_view.py
+++ b/enaml/qt/q_popup_view.py
@@ -826,7 +826,7 @@ def mousePressEvent(self, event):
                     if not path.isEmpty() and not path.contains(pos):
                         event.accept()
                         self.close()
-            elif win_type == Qt.ToolTip:
+            elif win_type == Qt.ToolTip or win_type == Qt.Window:
                 if path.isEmpty() or path.contains(pos):
                     event.accept()
                     self.close()
diff --git a/enaml/qt/qt_popup_view.py b/enaml/qt/qt_popup_view.py
index 0a219788b..0eb800533 100644
--- a/enaml/qt/qt_popup_view.py
+++ b/enaml/qt/qt_popup_view.py
@@ -26,6 +26,7 @@
 WINDOW_TYPES = {
     'popup': Qt.Popup,
     'tool_tip': Qt.ToolTip,
+    'window': Qt.Window,
 }
 
 
diff --git a/enaml/widgets/popup_view.py b/enaml/widgets/popup_view.py
index 7f3d82331..f1fa12e5f 100644
--- a/enaml/widgets/popup_view.py
+++ b/enaml/widgets/popup_view.py
@@ -97,13 +97,24 @@ class PopupView(Widget):
     #: reference to a transient popup.
     popup_views = []
 
-    #: The type of the window to create. A 'popup' window will close
-    #: when the user presses escape or clicks outside of the window.
-    #: A 'tool_tip' window will close when the user clicks the window.
-    #: The popup window is useful for showing configuration dialogs,
-    #: while the tool tip window is useful for notification messages.
-    #: The window type cannot be changed once the widget is created.
-    window_type = d_(Enum('popup', 'tool_tip'))
+    #: The type of the window to create. Each has different behavior. The
+    #: window type cannot be changed after the widget is created.
+    #:
+    #: 'popup'
+    #:     This window will close when the user presses escape or clicks
+    #:     outside of the window. It will block all external interactions
+    #:     until it is closed.
+    #:
+    #: 'tool_tip'
+    #:     This window will close when the user clicks inside the window.
+    #:     It stays on top of all the other windows on the desktop. It is
+    #:     useful for showing mouse cursor or desktop notifications.
+    #:
+    #: 'window'
+    #:     This window will close when the user clicks inside the window.
+    #:     It stays on top of its parent, but not the other windows on
+    #:     the desktop. It is useful for notifications inside a window.
+    window_type = d_(Enum('popup', 'tool_tip', 'window'))
 
     #: The mode to use for anchoring. The 'parent' mode uses a point
     #: on the parent or the desktop as the target anchor, the 'cursor'
@@ -153,7 +164,7 @@ class PopupView(Widget):
 
     #: Whether or not close the popup view on a mouse click. For 'popup'
     #: windows, this means clicking outside of the view. For 'tool_tip'
-    #: windows, this means clicking inside of the view.
+    #: and 'window' windows, this means clicking inside of the view.
     close_on_click = d_(Bool(True))
 
     #: Whether or not the background of the popup view is translucent.
diff --git a/examples/widgets/popup_view.enaml b/examples/widgets/popup_view.enaml
index a3ffe1a8d..f682211e5 100644
--- a/examples/widgets/popup_view.enaml
+++ b/examples/widgets/popup_view.enaml
@@ -116,7 +116,7 @@ enamldef Main(Window): win:
             clicked :: ConfigPopup(self).show()
         PushButton:
             text = 'Show Window Notification'
-            clicked :: NotificationPopup(win).show()
+            clicked :: NotificationPopup(win, window_type='window').show()
         PushButton:
             text = 'Show Desktop Notification'
             clicked :: NotificationPopup().show()