1696977 - [CSD] Firefox drawing Aero titlebar buttons with custom Windows theme

Status: RESOLVED INCOMPLETE

(Core :: Widget: Win32, defect, P5)

Description

[Forever]

Attachment: Titlebar OFF: drawn buttons are different from system

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:87.0) Gecko/20100101 Firefox/87.0

Steps to reproduce:

Apply a Windows custom theme (Adapta, Fluent, any theme) on Windows 10
Turn off userChrome
Turn off titlebar in Customize

Actual results:

Firefox CSD draws Aero titlebar buttons that do not match the system.

Expected results:

Firefox CSD draws the system titlebar buttons that match the system.

Comment 1

[Forever]

Attachment: Titlebar ON: drawn buttons match system

Comment 2

[BugBot [:suhaib / :marco/ :calixte]]

The Bugbug bot thinks this bug should belong to the 'Core::Widget: Win32' component, and is moving the bug to that component. Please revert this change in case you think the bot is wrong.

Comment 3

[Stephen A Pohl [:spohl]]

Could you please describe what exactly doesn't match? I am not seeing a difference between the two screenshots. Do I need to zoom in to see a pixel-level difference..?

Comment 4

[BugBot [:suhaib / :marco/ :calixte]]

A needinfo is requested from the reporter, however, the reporter is inactive on Bugzilla. Given that the bug is still UNCONFIRMED, closing the bug as incomplete.

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