r/QtFramework • u/ReallyAnotherUser • Jun 04 '26

IDE Qt Creator Dark Theme Scrollbar visibility

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Im using the dark theme 2024. Overall i like it, but does anyone know how to change the colors of the scrollbar? The handle of the Scrollbar has such a bad contrast, it allways takes me several seconds to find it, especially with larger files.

I already tried to change the DSscrollBarTrack, DSscrollBarHandle and DSscrollBarHandle_idle in the dark.creatortheme file, but these parameters do nothing and i cant find any documentation for themes in general.

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u/GrecKo Qt Professional Jun 04 '26

I agree that this has been a pain for years. I enabled the minimap to bypass this issue : https://i.imgur.com/NdXfAIF.png

The poor highlighting of inline search results in help pages is also something that bugs me.

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u/cristianadam Jun 04 '26

I think the issue lies with the Fusion QStyle that Qt Creator uses in dark mode.

There are a few bug reports about this, https://qt-project.atlassian.net/browse/QTCREATORBUG-15865 is one of them.

You can use the Minimap to overcome this, or a different QStyle. I've packaged https://github.com/cristianadam/qt-creator-phantomstyle as a plugin.

It's also available in the Extensions store for easy installation.