hook up the title bar right click event

enaml/qt/qt_dock_item.py

@@ -85,6 +85,7 @@ def init_layout(self):
         # Use a queued connection so the dock manager can finish
         # closing the dock item before the signal handler runs.
         widget.titleEdited.connect(self.on_title_edited)
+        widget.titleBarRightClicked.connect(self.on_title_bar_right_clicked)
         widget.closed.connect(self.on_closed, Qt.QueuedConnection)
 
     #--------------------------------------------------------------------------
@@ -113,6 +114,14 @@ def on_title_edited(self, text):
             finally:
                 self._guard &= ~TITLE_GUARD
 
+    def on_title_bar_right_clicked(self, pos):
+        """ Handle the 'titleBarRightClicked' signal on the dock item.
+
+        """
+        d = self.declaration
+        if d is not None:
+            d.title_bar_right_clicked()
+
     def on_closed(self):
         """ Handle the closed signal from the dock item.
 
@@ -164,7 +173,7 @@ def set_title_bar_visible(self, visible):
         """ Set the visibility of the widget's title bar.
 
         """
-        self.widget.titleBarWidget().setForceHidden(not visible)
+        self.widget.setTitleBarForceHidden(not visible)
 
     def set_icon(self, icon):
         """ Set the icon on the underlying widget.

enaml/widgets/dock_item.py

@@ -75,6 +75,9 @@ class DockItem(Widget):
     #: Whether or not the dock item is closable via a close button.
     closable = d_(Bool(True))
 
+    #: An event emitted when the title bar is right clicked.
+    title_bar_right_clicked = d_(Event(), writable=False)
+
     #: An event emitted when the dock item is closed. The item will be
     #: destroyed after this event has completed.
     closed = d_(Event(), writable=False)