Partially reverted patch to remove unnecessary code to disable DND

blink/contacts.py

@@ -1598,9 +1598,11 @@ class GroupWidget(base_class, ui_class):
             self.setupUi(self)
         self.selected = False
         self.drop_indicator = None
+        self._disable_dnd = False
         self.label_widget.setFocusProxy(self)
         self.name_view.setCurrentWidget(self.label_widget)
         self.name_editor.editingFinished.connect(self._end_editing)
+        self.collapse_button.pressed.connect(self._collapse_button_pressed)
 
     @property
     def editing(self):
@@ -1655,6 +1657,18 @@ class GroupWidget(base_class, ui_class):
     def edit(self):
         self._start_editing()
 
+    def _collapse_button_pressed(self):
+        self._disable_dnd = True
+
+    def mousePressEvent(self, event):
+        self._disable_dnd = False
+        super(GroupWidget, self).mousePressEvent(event)
+
+    def mouseMoveEvent(self, event):
+        if self._disable_dnd:
+            return
+        super(GroupWidget, self).mouseMoveEvent(event)
+
     def paintEvent(self, event):
         painter = QPainter(self)
         rect = self.rect()