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Fix ZeroDivisionError when showing hidden window on Windows #9177

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Fix ZeroDivisionError when showing hidden window on Windows #9177

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Summary

This PR fixes a ZeroDivisionError that occurs when a hidden window is shown on Windows. The fix calls _update_density_and_dpi() after Window.show().

Issue

#9170

How to test

from kivy.core.window import Window
Window.hide()
Window.show()  # Should not raise ZeroDivisionError
assert Window._density > 0

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@g-k-s-03
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@kuzeyron Hi, just checking if you need anything from me to move this forward. Thanks!

kuzeyron
kuzeyron reviewed Oct 23, 2025
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@g-k-s-03 g-k-s-03 mentioned this pull request Oct 24, 2025
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misl6 commented Oct 24, 2025

Closing as duplicate of #9189

@misl6 misl6 closed this Oct 24, 2025
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