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.venv/Lib/site-packages/pythonwin/pywin/mfc/activex.py

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+"""Support for ActiveX control hosting in Pythonwin.
+"""
+import win32ui, win32uiole
+from . import window
+
+# XXX - we are still "classic style" classes in py2x, so we need can't yet
+# use 'type()' everywhere - revisit soon, as py2x will move to new-style too...
+try:
+    from types import ClassType as new_type
+except ImportError:
+    new_type = type  # py3k
+
+
+class Control(window.Wnd):
+    """An ActiveX control base class.  A new class must be derived from both
+    this class and the Events class.  See the demos for more details.
+    """
+
+    def __init__(self):
+        self.__dict__["_dispobj_"] = None
+        window.Wnd.__init__(self)
+
+    def _GetControlCLSID(self):
+        return self.CLSID
+
+    def _GetDispatchClass(self):
+        return self.default_interface
+
+    def _GetEventMap(self):
+        return self.default_source._dispid_to_func_
+
+    def CreateControl(self, windowTitle, style, rect, parent, id, lic_string=None):
+        clsid = str(self._GetControlCLSID())
+        self.__dict__["_obj_"] = win32ui.CreateControl(
+            clsid, windowTitle, style, rect, parent, id, None, False, lic_string
+        )
+        klass = self._GetDispatchClass()
+        dispobj = klass(win32uiole.GetIDispatchForWindow(self._obj_))
+        self.HookOleEvents()
+        self.__dict__["_dispobj_"] = dispobj
+
+    def HookOleEvents(self):
+        dict = self._GetEventMap()
+        for dispid, methodName in dict.items():
+            if hasattr(self, methodName):
+                self._obj_.HookOleEvent(getattr(self, methodName), dispid)
+
+    def __getattr__(self, attr):
+        # Delegate attributes to the windows and the Dispatch object for this class
+        try:
+            return window.Wnd.__getattr__(self, attr)
+        except AttributeError:
+            pass
+        return getattr(self._dispobj_, attr)
+
+    def __setattr__(self, attr, value):
+        if hasattr(self.__dict__, attr):
+            self.__dict__[attr] = value
+            return
+        try:
+            if self._dispobj_:
+                self._dispobj_.__setattr__(attr, value)
+                return
+        except AttributeError:
+            pass
+        self.__dict__[attr] = value
+
+
+def MakeControlClass(controlClass, name=None):
+    """Given a CoClass in a generated .py file, this function will return a Class
+    object which can be used as an OCX control.
+
+    This function is used when you do not want to handle any events from the OCX
+    control.  If you need events, then you should derive a class from both the
+    activex.Control class and the CoClass
+    """
+    if name is None:
+        name = controlClass.__name__
+    return new_type("OCX" + name, (Control, controlClass), {})
+
+
+def MakeControlInstance(controlClass, name=None):
+    """As for MakeControlClass(), but returns an instance of the class."""
+    return MakeControlClass(controlClass, name)()