handle text flags like axisitem

pyqtgraph/Qt.py

@@ -418,18 +418,6 @@ if QT_LIB == PYQT6:
     for e in QtCore.Qt.Key:
         setattr(QtCore.Qt, e.name, e.value)
 
-    # TextFlags are not accepted as appropriate types
-    # Example:
-    # TypeError: QFontMetric.size(
-    #               self,
-    #               int,
-    #               str,
-    #               tabStops: int = 0, 
-    #               tabArray: Optional[List[int]] = 0
-    # ): argument 1 has unexpected type 'TextFlag'
-    for e in QtCore.Qt.TextFlag:
-        setattr(QtCore.Qt, e.name, e.value)
-
     # shim the old names for QPointF mouse coords
     QtGui.QSinglePointEvent.localPos = lambda o : o.position()
     QtGui.QSinglePointEvent.windowPos = lambda o : o.scenePosition()

pyqtgraph/parametertree/ParameterItem.py

@@ -1,4 +1,4 @@
-from ..Qt import QtGui, QtCore
+from ..Qt import QtGui, QtCore, QT_LIB
 from ..python2_3 import asUnicode
 import os, weakref, re
 
@@ -162,7 +162,14 @@ class ParameterItem(QtGui.QTreeWidgetItem):
         # called when the user-visble title has changed (either opts['title'], or name if title is None)
         self.setText(0, self.param.title())
         fm = QtGui.QFontMetrics(self.font(0))
-        size = fm.size(QtCore.Qt.TextSingleLine, self.text(0))
+
+        if QT_LIB == 'PyQt6':
+            # PyQt6 doesn't allow or-ing of different enum types
+            # so we need to take its value property
+            textFlags = QtCore.Qt.TextSingleLine.value
+        else:
+            textFlags = QtCore.Qt.TextSingleLine
+        size = fm.size(textFlags, self.text(0))
         size.setHeight(int(size.height() * 1.35))
         size.setWidth(int(size.width() * 1.15))
         self.setSizeHint(0, size)