76 lines
2.5 KiB
Python
76 lines
2.5 KiB
Python
|
"""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)()
|