make wxArtProvider pure virtual (I was not so on

[wxWidgets.git] / wxPython / src / _extras.py

diff --git a/wxPython/src/_extras.py b/wxPython/src/_extras.py
index 2c27bf0584e218b395a551e73a78c0aeaceb4b36..68677a3da86edcbaf8ad12f66c39523bb4f9daf4 100644 (file)
--- a/wxPython/src/_extras.py
+++ b/wxPython/src/_extras.py
@@ -62,6 +62,12 @@ def EVT_KEY_DOWN(win, func):
 def EVT_KEY_UP(win, func):
     win.Connect(-1, -1, wxEVT_KEY_UP, func)
 
+def EVT_MENU_OPEN(win, func):
+    win.Connect(-1, -1, wxEVT_MENU_OPEN, func)
+
+def EVT_MENU_CLOSE(win, func):
+    win.Connect(-1, -1, wxEVT_MENU_CLOSE, func)
+
 def EVT_MENU_HIGHLIGHT(win, id, func):
     win.Connect(id, -1, wxEVT_MENU_HIGHLIGHT, func)
 
@@ -192,6 +198,9 @@ def EVT_MOUSE_EVENTS(win, func):
     win.Connect(-1, -1, wxEVT_LEAVE_WINDOW,  func)
     win.Connect(-1, -1, wxEVT_ENTER_WINDOW,  func)
 
+def EVT_MOUSE_CAPTURE_CHANGED(win, func):
+    win.Connect(-1, -1, wxEVT_MOUSE_CAPTURE_CHANGED, func)
+
 # EVT_COMMAND
 def EVT_COMMAND(win, id, cmd, func):
     win.Connect(id, -1, cmd, func)
@@ -545,19 +554,6 @@ def EVT_TOGGLEBUTTON(win, id, func):
 
 
 
-# Help events
-def EVT_HELP(win, id, func):
-    win.Connect(id, -1, wxEVT_HELP, func)
-
-def EVT_HELP_RANGE(win, id, id2, func):
-    win.Connect(id, id2, wxEVT_HELP, func)
-
-def EVT_DETAILED_HELP(win, id, func):
-    win.Connect(id, -1, wxEVT_DETAILED_HELP, func)
-
-def EVT_DETAILED_HELP_RANGE(win, id, id2, func):
-    win.Connect(id, id2, wxEVT_DETAILED_HELP, func)
-
 def EVT_CONTEXT_MENU(win, func):
     win.Connect(-1, -1, wxEVT_CONTEXT_MENU, func)
 
@@ -654,6 +650,34 @@ def wxPyTypeCast(obj, typeStr):
     return theObj
 
 
+#----------------------------------------------------------------------------
+
+class wxPyDeadObjectError(AttributeError):
+    pass
+
+class _wxPyDeadObject:
+    """
+    Instances of wx objects that are OOR capable will have their __class__
+    changed to this class when the C++ object is deleted.  This should help
+    prevent crashes due to referencing a bogus C++ pointer.
+    """
+    reprStr = "wxPython wrapper for DELETED %s object! (The C++ object no longer exists.)"
+    attrStr = "The C++ part of the %s object has been deleted, attribute access no longer allowed."
+
+    def __repr__( self ):
+        if not hasattr(self, "_name"):
+            self._name = "[unknown]"
+        return self.reprStr % self._name
+
+    def __getattr__( self, *args ):
+        if not hasattr(self, "_name"):
+            self._name = "[unknown]"
+        raise wxPyDeadObjectError( self.attrStr % self._name )
+
+    def __nonzero__(self):
+        return 0
+
+
 #----------------------------------------------------------------------
 #----------------------------------------------------------------------
 
@@ -770,24 +794,25 @@ class wxPyWidgetTester(wxApp):
         self.frame.Show(true)
 
 #----------------------------------------------------------------------------
-# DO NOT hold any other references to this object.  This is how we know when
-# to cleanup system resources that wxWin is holding.  When this module is
-# unloaded, the refcount on __cleanMeUp goes to zero and it calls the
-# wxApp_CleanUp function.
-
-## class __wxPyCleanup:
-##     def __init__(self):
-##         self.cleanup = wxc.wxApp_CleanUp
-##     def __del__(self):
-##         self.cleanup()
-
-## __cleanMeUp = __wxPyCleanup()
-
-if sys.version[0] == '2':
-    import atexit
-    atexit.register(wxc.wxApp_CleanUp)
-else:
-    sys.exitfunc = wxc.wxApp_CleanUp
+# DO NOT hold any other references to this object.  This is how we
+# know when to cleanup system resources that wxWin is holding.  When
+# the sys module is unloaded, the refcount on sys.__wxPythonCleanup
+# goes to zero and it calls the wxApp_CleanUp function.
+
+class __wxPyCleanup:
+    def __init__(self):
+        self.cleanup = wxc.wxApp_CleanUp
+    def __del__(self):
+        self.cleanup()
+
+sys.__wxPythonCleanup = __wxPyCleanup()
+
+## # another possible solution, but it gets called too early...
+## if sys.version[0] == '2':
+##     import atexit
+##     atexit.register(wxc.wxApp_CleanUp)
+## else:
+##     sys.exitfunc = wxc.wxApp_CleanUp
 
 
 #----------------------------------------------------------------------------