Some toolbar components have an incorrect background color on dark theme

JavaDoc view:

ErrorLog view:

TypeHierarchy has a dark square:

This is a regression from I20260820-2300.

Win10
Build id: I20260926-2300

@vogella

@vogella: Maybe some of your CSS changes caused this?

@nlisker

@nlisker which os are you using?

Win10

I'll investigate.

@nlisker

Cannot reproduce on Win11.

@nlisker can you try that CSS snippet via the menu: Window -> Spies -> CSS Scratch Pad:

  CTabFolder > Composite.ToolbarComposite,
  CTabFolder > Composite.ToolbarComposite > ToolBar {
      background-color: #49484C;
  }

@nlisker

@nlisker if the above snippets does not work, please try:

CTabFolder > Composite > ToolBar {
    background-color: #49484C;
}

@nlisker can you try that CSS snippet via the menu: Window -> Spies -> CSS Scratch Pad:

I don't have that menu:

I also see the dark color in the editor tabs toolbar:

@nlisker can you try that CSS snippet via the menu: Window -> Spies -> CSS Scratch Pad:

I don't have that menu:

I need to install the spies.

For comparison, correct css from I20260808:

Current:

Using your first snippet, I get:

2nd snippet:

So the separators are correct, but the underline is not and so are the minimize and maximize buttons.

The tabs bar is also still off. Compare the correct

with the current

I'm noticing more and more places where the background changed:

And with the current:

I don't mind stronger contrast but this looks wrong.

I think you are seeing the bug which will be fixed with eclipse-platform/eclipse.platform.swt#3548. Any chance you could test it?

I can only test integration builds.

I can only test integration builds.

I could provide you a test SDK build for testing. Would that work for you? Integrating something into the I-build just for testing is nothing I will do and I do not have Win10 access.

OK, let's try that.

OK, let's try that.

https://eclipsercp.de/download/products/eclipse-SDK-vogella-win32-x86_64.zip

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Some toolbar components have an incorrect background color on dark theme #4408

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Some toolbar components have an incorrect background color on dark theme #4408

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BeckerWdf commented on Sep 28, 2026

vogella commented on Sep 28, 2026

BeckerWdf commented on Sep 28, 2026

vogella commented on Sep 28, 2026

vogella commented on Sep 28, 2026

vogella commented on Sep 28, 2026

nlisker commented on Sep 28, 2026

nlisker commented on Sep 28, 2026

vogella commented on Sep 28, 2026

nlisker commented on Oct 1, 2026

nlisker commented on Oct 1, 2026

vogella commented on Oct 2, 2026

nlisker commented on Oct 2, 2026

vogella commented on Oct 3, 2026

nlisker commented on Oct 3, 2026

vogella commented on Oct 6, 2026

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