Added init for _mouse_offset_x and y in case tkinter doesn't call the mouse down callback

Author: PySimpleGUI

PySimpleGUI.py

@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 
-version = __version__ = "4.61.0.200 Unreleased"
+version = __version__ = "4.61.0.201 Unreleased"
 
 _change_log = """
     Changelog since 4.60.0 released to PyPI on 8-May-2022
@@ -472,6 +472,8 @@
         Updated Udemy coupon code
     4.61.0.200
         Fix for grab anywhere window movement and control+left_mouse_drag.  Window move smoother, including the Move-All-Windows feature. Thank you JASON for the help!
+    4.61.0.201
+        Added init for _mouse_offset_x and y in case tkinter doesn't call the mouse down callback
 
     """
 
@@ -10618,6 +10620,7 @@ def __init__(self, title, layout=None, default_element_size=None,
         if self.use_custom_titlebar:
             self.Margins = (0, 0)
             self.NoTitleBar = True
+        self._mouse_offset_x = self._mouse_offset_y = 0
 
         if watermark is True:
             Window._watermark_temp_forced = True
@@ -26985,4 +26988,4 @@ def _optional_window_data(window):
         exit(0)
     main()
     exit(0)
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+#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