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Since version 3.3, Qt Creator supports custom styles without the need to go through the hassle of stylesheets.

Qt Creator styling

Just like other Qt applications, Qt Creator accepts custom styles and stylesheets [qt.io]. The styling will only be applied as long as you pass the arguments; it will not persist across sessions or be carried over to new versions of Creator.

Exercise caution when applying styles, as overriding the existing styling may make some items difficult to see. Also be aware of the Text Editor’s color scheme (Tools > Options > Text Editor > Fonts & Colors > Color Scheme) – setting a stylesheet may affect this. Designer may also be affected by stylesheets.

Styling Creator with stylesheets

For help with stylesheets, visit the stylesheet documentation [qt.io].

If you need to get more specific (e.g. specifying object names through ID selectors [qt.io] to style specific widgets), you may need to search through the various .ui files and source code here [qt.gitorious.org]. Alternatively, you can clone the Qt Creator Git repository with: