diff --git a/qtpy/QtCore.py b/qtpy/QtCore.py
index ac6e78b9..1a66d88e 100644
--- a/qtpy/QtCore.py
+++ b/qtpy/QtCore.py
@@ -8,18 +8,34 @@
 """
 Provides QtCore classes and functions.
 """
-
 from . import PYQT6, PYQT5, PYSIDE2, PYSIDE6, PythonQtError
 
+
 if PYQT6:
+    from PyQt6 import QtCore
     from PyQt6.QtCore import *
     from PyQt6.QtCore import pyqtSignal as Signal
+    from PyQt6.QtCore import pyqtBoundSignal as SignalInstance
+    from PyQt6.QtCore import pyqtSlot as Slot
+    from PyQt6.QtCore import pyqtProperty as Property
     from PyQt6.QtCore import QT_VERSION_STR as __version__
 
+    # For issue #153
+    from PyQt6.QtCore import QDateTime
+    QDateTime.toPython = QDateTime.toPyDateTime
+
+    # Map missing methods
     QCoreApplication.exec_ = QCoreApplication.exec
     QEventLoop.exec_ = QEventLoop.exec
     QThread.exec_ = QThread.exec
 
+    # Those are imported from `import *`
+    del pyqtSignal, pyqtBoundSignal, pyqtSlot, pyqtProperty, QT_VERSION_STR
+
+    # Allow unscoped access for enums inside the QtCore module
+    from .enums_compat import promote_enums
+    promote_enums(QtCore)
+    del QtCore
 elif PYQT5:
     from PyQt5.QtCore import *
     from PyQt5.QtCore import pyqtSignal as Signal
diff --git a/qtpy/QtGui.py b/qtpy/QtGui.py
index da8369e6..62344572 100644
--- a/qtpy/QtGui.py
+++ b/qtpy/QtGui.py
@@ -8,16 +8,22 @@
 """
 Provides QtGui classes and functions.
 """
-import warnings
-
 from . import PYQT6, PYQT5, PYSIDE2, PYSIDE6, PythonQtError
 
 
 if PYQT6:
+    from PyQt6 import QtGui 
     from PyQt6.QtGui import *
+
+    # Map missing/renamed methods
     QDrag.exec_ = QDrag.exec
     QGuiApplication.exec_ = QGuiApplication.exec
     QTextDocument.print_ = QTextDocument.print
+
+    # Allow unscoped access for enums inside the QtGui module
+    from .enums_compat import promote_enums
+    promote_enums(QtGui)
+    del QtGui
 elif PYQT5:
     from PyQt5.QtGui import *
 elif PYSIDE2:
diff --git a/qtpy/QtWidgets.py b/qtpy/QtWidgets.py
index d1f7b730..2734e780 100644
--- a/qtpy/QtWidgets.py
+++ b/qtpy/QtWidgets.py
@@ -8,29 +8,38 @@
 """
 Provides widget classes and functions.
 """
-
 from . import PYQT5, PYQT6, PYSIDE2, PYSIDE6, PythonQtError
-from ._patch.qheaderview import introduce_renamed_methods_qheaderview
+
 
 if PYQT6:
+    from PyQt6 import QtWidgets
     from PyQt6.QtWidgets import *
     from PyQt6.QtGui import QAction, QActionGroup, QShortcut
     from PyQt6.QtOpenGLWidgets import QOpenGLWidget
+
+    # Map missing/renamed methods
     QTextEdit.setTabStopWidth = QTextEdit.setTabStopDistance
     QTextEdit.tabStopWidth = QTextEdit.tabStopDistance
+    QTextEdit.print_ = QTextEdit.print
     QPlainTextEdit.setTabStopWidth = QPlainTextEdit.setTabStopDistance
     QPlainTextEdit.tabStopWidth = QPlainTextEdit.tabStopDistance
+    QPlainTextEdit.print_ = QPlainTextEdit.print
     QApplication.exec_ = QApplication.exec
     QDialog.exec_ = QDialog.exec
     QMenu.exec_ = QMenu.exec
-    QTextEdit.print_ = QTextEdit.print
-    QPlainTextEdit.print_ = QPlainTextEdit.print
+
+    # Allow unscoped access for enums inside the QtWidgets module
+    from .enums_compat import promote_enums
+    promote_enums(QtWidgets)
+    del QtWidgets
 elif PYQT5:
     from PyQt5.QtWidgets import *
 elif PYSIDE6:
     from PySide6.QtWidgets import *
     from PySide6.QtGui import QAction, QActionGroup, QShortcut
     from PySide6.QtOpenGLWidgets import QOpenGLWidget
+
+    # Map missing/renamed methods
     QTextEdit.setTabStopWidth = QTextEdit.setTabStopDistance
     QTextEdit.tabStopWidth = QTextEdit.tabStopDistance
     QPlainTextEdit.setTabStopWidth = QPlainTextEdit.setTabStopDistance
diff --git a/qtpy/compat.py b/qtpy/compat.py
index 3a51c921..dbac4396 100644
--- a/qtpy/compat.py
+++ b/qtpy/compat.py
@@ -5,8 +5,6 @@
 """
 Compatibility functions
 """
-
-from collections.abc import Callable
 import sys
 
 from .QtWidgets import QFileDialog
diff --git a/qtpy/enums_compat.py b/qtpy/enums_compat.py
new file mode 100644
index 00000000..1340fa36
--- /dev/null
+++ b/qtpy/enums_compat.py
@@ -0,0 +1,37 @@
+# Copyright © 2009- The Spyder Development Team
+# Copyright © 2012- University of North Carolina at Chapel Hill
+#                   Luke Campagnola    ('luke.campagnola@%s.com' % 'gmail')
+#                   Ogi Moore          ('ognyan.moore@%s.com' % 'gmail')
+#                   KIU Shueng Chuan   ('nixchuan@%s.com' % 'gmail')
+# Licensed under the terms of the MIT License
+
+"""
+Compatibility functions for scoped and unscoped enum access.
+"""
+
+from . import PYQT6
+
+if PYQT6:
+    import enum
+
+    from . import sip
+
+    def promote_enums(module):
+        """
+        Search enums in the given module and allow unscoped access.
+
+        Taken from:
+        https://github.com/pyqtgraph/pyqtgraph/blob/pyqtgraph-0.12.1/pyqtgraph/Qt.py#L331-L377 
+        """
+        class_names = [name for name in dir(module) if name.startswith('Q')]
+        for class_name in class_names:
+            klass = getattr(module, class_name)
+            if not isinstance(klass, sip.wrappertype):
+                continue
+            attrib_names = [name for name in dir(klass) if name[0].isupper()]
+            for attrib_name in attrib_names:
+                attrib = getattr(klass, attrib_name)
+                if not isinstance(attrib, enum.EnumMeta):
+                    continue
+                for enum_obj in attrib:
+                    setattr(klass, enum_obj.name, enum_obj)
diff --git a/qtpy/sip.py b/qtpy/sip.py
new file mode 100644
index 00000000..64e71e66
--- /dev/null
+++ b/qtpy/sip.py
@@ -0,0 +1,15 @@
+#
+# Copyright © 2009- The Spyder Development Team
+#
+# Licensed under the terms of the MIT License
+# (see LICENSE.txt for details)
+
+from . import PYQT6, PYQT5, PythonQtError
+
+if PYQT6:
+    from PyQt6.sip import *
+elif PYQT5:
+    from PyQt5.sip import *
+else:
+    raise PythonQtError(
+        'Currently selected Qt binding does not support this module')
diff --git a/qtpy/tests/test_qtcore.py b/qtpy/tests/test_qtcore.py
index e9b22ae7..423b2f2b 100644
--- a/qtpy/tests/test_qtcore.py
+++ b/qtpy/tests/test_qtcore.py
@@ -1,5 +1,6 @@
 import pytest
-from qtpy import PYQT5, PYQT6, PYSIDE2, QtCore
+
+from qtpy import PYQT5, PYQT6, PYSIDE2, PYQT_VERSION, QtCore
 
 """Test QtCore."""
 
@@ -9,8 +10,6 @@ def test_qtmsghandler():
     assert QtCore.qInstallMessageHandler is not None
 
 
-@pytest.mark.skipif(not (PYQT5 or PYSIDE2),
-                    reason="Targeted to PyQt5 or PySide2")
 def test_DateTime_toPython():
     """Test QDateTime.toPython"""
     assert QtCore.QDateTime.toPython is not None
@@ -25,3 +24,16 @@ class ClassWithSignal(QtCore.QObject):
     instance = ClassWithSignal()
 
     assert isinstance(instance.signal, QtCore.SignalInstance)
+
+
+@pytest.mark.skipif(PYQT5 and PYQT_VERSION.startswith('5.9'),
+                    reason="A specific setup with at least sip 4.9.9 is needed for PyQt5 5.9.*"
+                           "to work with scoped enum access")
+def test_enum_access():
+    """Test scoped and unscoped enum access for qtpy.QtCore.*."""
+    assert QtCore.QAbstractAnimation.Stopped == QtCore.QAbstractAnimation.State.Stopped
+    assert QtCore.QEvent.ActionAdded == QtCore.QEvent.Type.ActionAdded
+    assert QtCore.Qt.AlignLeft == QtCore.Qt.AlignmentFlag.AlignLeft
+    assert QtCore.Qt.Key_Return == QtCore.Qt.Key.Key_Return
+    assert QtCore.Qt.transparent == QtCore.Qt.GlobalColor.transparent
+    assert QtCore.Qt.Widget == QtCore.Qt.WindowType.Widget
diff --git a/qtpy/tests/test_qtgui.py b/qtpy/tests/test_qtgui.py
new file mode 100644
index 00000000..09798955
--- /dev/null
+++ b/qtpy/tests/test_qtgui.py
@@ -0,0 +1,30 @@
+"""Test QtGui."""
+import pytest
+
+from qtpy import PYQT5, PYQT_VERSION, QtGui
+
+
+def test_qdrag_functions():
+    """Test functions mapping for QtGui.QDrag."""
+    assert QtGui.QDrag.exec_
+
+
+def test_qguiapplication_functions():
+    """Test functions mapping for QtGui.QGuiApplication."""
+    assert QtGui.QGuiApplication.exec_
+
+
+def test_qtextdocument_functions():
+    """Test functions mapping for QtGui.QTextDocument."""
+    assert QtGui.QTextDocument.print_
+
+
+@pytest.mark.skipif(PYQT5 and PYQT_VERSION.startswith('5.9'),
+                    reason="A specific setup with at least sip 4.9.9 is needed for PyQt5 5.9.*"
+                           "to work with scoped enum access")
+def test_enum_access():
+    """Test scoped and unscoped enum access for qtpy.QtWidgets.*."""
+    assert QtGui.QColor.Rgb == QtGui.QColor.Spec.Rgb
+    assert QtGui.QFont.AllUppercase == QtGui.QFont.Capitalization.AllUppercase
+    assert QtGui.QIcon.Normal == QtGui.QIcon.Mode.Normal
+    assert QtGui.QImage.Format_Invalid == QtGui.QImage.Format.Format_Invalid
\ No newline at end of file
diff --git a/qtpy/tests/test_qtwidgets.py b/qtpy/tests/test_qtwidgets.py
new file mode 100644
index 00000000..68e8192c
--- /dev/null
+++ b/qtpy/tests/test_qtwidgets.py
@@ -0,0 +1,43 @@
+"""Test QtWidgets."""
+import pytest
+
+from qtpy import PYQT5, PYQT_VERSION, QtWidgets
+
+
+def test_qtextedit_functions():
+    """Test functions mapping for QtWidgets.QTextEdit."""
+    assert QtWidgets.QTextEdit.setTabStopWidth
+    assert QtWidgets.QTextEdit.tabStopWidth
+    assert QtWidgets.QTextEdit.print_
+
+
+def test_qplaintextedit_functions():
+    """Test functions mapping for QtWidgets.QPlainTextEdit."""
+    assert QtWidgets.QPlainTextEdit.setTabStopWidth
+    assert QtWidgets.QPlainTextEdit.tabStopWidth
+    assert QtWidgets.QPlainTextEdit.print_
+
+
+def test_qapplication_functions():
+    """Test functions mapping for QtWidgets.QApplication."""
+    assert QtWidgets.QApplication.exec_
+
+
+def test_qdialog_functions():
+    """Test functions mapping for QtWidgets.QDialog."""
+    assert QtWidgets.QDialog.exec_
+
+
+def test_qmenu_functions():
+    """Test functions mapping for QtWidgets.QDialog."""
+    assert QtWidgets.QMenu.exec_
+
+
+@pytest.mark.skipif(PYQT5 and PYQT_VERSION.startswith('5.9'),
+                    reason="A specific setup with at least sip 4.9.9 is needed for PyQt5 5.9.*"
+                           "to work with scoped enum access")
+def test_enum_access():
+    """Test scoped and unscoped enum access for qtpy.QtWidgets.*."""
+    assert QtWidgets.QFileDialog.AcceptOpen == QtWidgets.QFileDialog.AcceptMode.AcceptOpen
+    assert QtWidgets.QMessageBox.InvalidRole == QtWidgets.QMessageBox.ButtonRole.InvalidRole
+    assert QtWidgets.QStyle.State_None == QtWidgets.QStyle.StateFlag.State_None