I tried my best to port the default Dark+ theme from VS Code into Qt Creator, as I find it quite nice, but I cannot replicate it 1:1 due to the limitations of Qt's theme engine, for example Qt doesn't differentiate between keywords like const, namespace, and enum which would be blue in VSCode, and keywords like if, operator, return, which would be purple in VSCode; it's either one or the other in Qt, so I've included both options to choose from, purple keywords (what I prefer), but also blue keywords. I hope you enjoy!
If you're using a newer version of Qt Creator, make sure to view this issue as the theme will not work unless you use the .creatortheme and new .figmatokens referenced in the issue -- you'll end up with a black dashboard and messed up editor style otherwise. This is due to a recent(ish) change in Qt Creator's theme engine.
I'm adding this notice here so that you can still use the theme, while I prepare a new release and edit the rest of the README. If you have any issues please direct them there. They will be fixed. I dont keep track of Qt Creator's updates anymore cough, Neovim, so I have no way of discovering these details myself without using it, so if you do spot an error, please, do tell so I can fix it!
This notice will be gone by the time the next release is out; I need to fully adapt the theme to Qt Creator's new keys.
For the editor theme, pick your xml and move it into your Qt Creator styles directory. To theme the IDE itself, move the .creatortheme file into your Qt Creator themes directory. Editor styles and IDE themes are inependent, but why not get both?
Those directories exist next to each other, and are located in one of two places: your Qt installation directory, or your Qt user directory. The user directory is where I'd suggest you place them, since any styles or themes placed in the installation directory cannot be modified from within Qt, as that's where the defaults are located and isn't really meant for custom styles/themes, but maybe you actually prefer that.
The location of the Qt user directory varies depending on your operating system.
From: https://doc.qt.io/qtcreator/creator-quick-tour.html#location-of-settings-files
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Full Paths:
C:\Users\%USERNAME%\AppData\Roaming\QtProject\qtcreator\stylesC:\Users\%USERNAME%\AppData\Roaming\QtProject\qtcreator\themes
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Shortcut Paths:
%appdata%\QtProject\qtcreator\styles%appdata%\QtProject\qtcreator\themes
If the theme or styles folder don't exist, create them.
~/.local/share/data/QtProject/qtcreator
~/Library/Application Support/QtProject/Qt
Font used in the screenshots: MonoLisa
.creatorthemeand Doxygen comment colours courtesy of yunke120