Begin color management for metadata dialog.

metadatadialog.py

@@ -63,6 +63,7 @@ class MetadataUI(QtWidgets.QDialog, metadata.Ui_Dialog):
 
         self.okButton.clicked.connect(self.ok_pressed)
         self.cancelButton.clicked.connect(self.cancel_pressed)
+        self.colorButton.clicked.connect(self.color_background)
 
         self.titleLine.returnPressed.connect(self.ok_pressed)
         self.authorLine.returnPressed.connect(self.ok_pressed)
@@ -149,6 +150,9 @@ class MetadataUI(QtWidgets.QDialog, metadata.Ui_Dialog):
 
         return QtCore.QPoint(display_x, display_y)
 
+    def color_background(self):
+        pass
+
     def showEvent(self, event):
         if self.previous_position:
             self.move(self.previous_position)