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Theme `<colorOverride>`s are not honoured

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#3,654 1 commento 0 reazioni 0 assegnatari Vedi su GitHub

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Valutazione

Difficoltà
4/5
Tempo stimato
3-5 giorni
Idoneità per principianti
35/100
Tipo di issue
Bug
Chiarezza
Abbastanza chiara
Stato di attività
Ferma
Stack tecnologico
java
Ambito
desktop

Direzione di ricerca

Start by comparing the colorDefinition and colorOverride entries in bundles/org.eclipse.ui/plugin.xml, then read pull request #2421, which the issue identifies as a possible regression source. Reproduce the behavior with the Reduced Palette theme and check how Reset and Reset Defaults behave under a non-default theme. Done means overrides are honored and resets restore the appropriate theme colors instead of black.

Scritto dal modello di indicizzazione a partire dal testo della issue.

Descrizione

bug

Let's make sure issue is not already fixed in latest builds first.

Summary

Theme <colorOverride>s are not honoured.

It seems that theme <colorOverride>s are not honoured. This can be reproduced using the built-in "Reduced Palette" Color and Fonts theme.

Steps to reproduce

Using the ERROR_COLOR <colorDefinion> as an example, the base theme defines it as COLOR_RED:
https://github.com/eclipse-platform/eclipse.platform.ui/blob/master/bundles/org.eclipse.ui/plugin.xml#L1611

      <colorDefinition
            label="%Color.errorText"
            value="COLOR_RED"
            categoryId="org.eclipse.ui.workbenchMisc"
            id="ERROR_COLOR">
         <description>
            %Color.errorTextDesc
         </description>
      </colorDefinition>

And the Reduced Palette theme has an override as COLOR_LIST_FOREGROUND:
https://github.com/eclipse-platform/eclipse.platform.ui/blob/master/bundles/org.eclipse.ui/plugin.xml#L1925

         <colorOverride
               id="ERROR_COLOR"
               value="COLOR_LIST_FOREGROUND"/>

When the Reduced Palette theme is active, the preference still appears as red:

Default theme:
Image

Reduced palette theme:
Image

Secondly, when non-default themes are active, hitting 'Reset' defaults to BLACK. Hitting 'Reset Defaults' sets BLACK for most color preferences and make the IDE relatively unusable.

This seems like a regression of https://github.com/eclipse-platform/eclipse.platform.ui/pull/2421. At least since 2023-12 (4.30.0).

Image

Tested under this environment:

  • OS & version: Ubuntu 22.04 & MacOS 15.5
  • Eclipse IDE/Platform version (as shown in Help > About): 2025-12 (4.38.0) & 2023-12 (4.30.0) - though the second part is not an issue in 2023-12.

Community

  • I understand reporting an issue to this OSS project does not mandate anyone to fix it. Other contributors may consider the issue, or not, at their own convenience. The most efficient way to get it fixed is that I fix it myself and contribute it back as a good quality patch to the project.
Lingua principale
Java
Stelle
124
Fork
269
Merge medio
2g 2h
PR unite (30g)
70

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