[Bug]: Client window will not be resized when DPI scaling changes

[arnowelzel]

⚠️ Before submitting, please verify the following: ⚠️

• This is a bug, not a question or a configuration issue.
• This issue is not already reported on Github (I've searched it).
• Nextcloud Server and Desktop Client are up to date. See Server Maintenance and Release Schedule and Desktop Releases for supported versions.
• I agree to follow Nextcloud's Code of Conduct

Bug description

The the DPI scaling in Windows 10/11 changes, the client does not update its Window size but keeps the original size, even when the content does not fit any longer.

Steps to reproduce

Steps to reproduce:

1. Start the Nextcloud client in Windows 11 with scaling of 100% and see the main window of the client which looks OK:

Note: image blurred partially for privacy reasons.

2. Change the scaling to 200% and check the main window of the client again. Now it is too small:

However - when stopping the client and starting it again, it will be OK:

Expected behavior

When the DPI scaling in Windows changes, the Window will be resized to the correct size.

Start with 100%:

When changing scaling to 200%:

Which files are affected by this bug

nextcloud.exe

Operating system

Windows

Which version of the operating system you are running.

Windows 11

Package

Official Windows MSI

Nextcloud Server version

30.0.4

Nextcloud Desktop Client version

3.15.2

Is this bug present after an update or on a fresh install?

Updated from a minor version (ex. 3.4.2 to 3.4.4)

Are you using the Nextcloud Server Encryption module?

Encryption is Disabled

Are you using an external user-backend?

• Default internal user-backend
• LDAP/ Active Directory
• SSO - SAML
• Other

Nextcloud Server logs

Additional info

The Nextcloud server part is not relevant for this bug. It is a pure client side issue.