wxwidgets: Fix errors running Panda shell

direct/src/leveleditor/LevelEditorBase.py

@@ -41,7 +41,7 @@ class LevelEditorBase(DirectObject):
 
         self.fMoveCamera = False
 
-        self.NPParent = render
+        self.NPParent = base.render
 
         # define your own config file in inherited class
         self.settingsFile = None

direct/src/leveleditor/LevelEditorStart.py

@@ -1,6 +1,9 @@
 from direct.leveleditor import LevelEditor
 
 if __name__ == '__main__':
+    from direct.showbase.ShowBase import ShowBase
+    base = ShowBase()
+
     base.le = LevelEditor.LevelEditor()
     # You should define LevelEditor instance as
     # base.le so it can be reached in global scope

direct/src/showbase/ShowBase.py

@@ -3237,7 +3237,7 @@ class ShowBase(DirectObject.DirectObject):
             # Set a timer to run the Panda frame 60 times per second.
             wxFrameRate = ConfigVariableDouble('wx-frame-rate', 60.0)
             self.wxTimer = wx.Timer(self.wxApp)
-            self.wxTimer.Start(1000.0 / wxFrameRate.value)
+            self.wxTimer.Start(int(round(1000.0 / wxFrameRate.value)))
             self.wxApp.Bind(wx.EVT_TIMER, self.__wxTimerCallback)
 
             # wx is now the main loop, not us any more.

direct/src/wxwidgets/WxPandaShell.py

@@ -119,7 +119,7 @@ class WxPandaShell(WxAppShell):
             base.trackball.node().setHpr(0, 15, 0)
 
         # to make persp view as default
-        self.perspViewMenuItem.Toggle()
+        self.perspViewMenuItem.Check()
         self.onViewChange(None, 3)
 
         # initializing direct