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feat: add backgroundContent slot to TitleBar and MaterialTitleBar#104

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kdroidFilter merged 1 commit intomainfrom
feat/titlebar-background-content
Mar 11, 2026
Merged

feat: add backgroundContent slot to TitleBar and MaterialTitleBar#104
kdroidFilter merged 1 commit intomainfrom
feat/titlebar-background-content

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@kdroidFilter kdroidFilter commented Mar 11, 2026 •
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Summary

  • Adds a backgroundContent: @Composable () -> Unit parameter (default empty) to TitleBar and MaterialTitleBar
  • Propagates the new slot through all platform implementations: macOS, Windows, Linux — for both JBR and JNI backends
  • On Windows, the background content is composed alongside the existing customTitleBarMouseEventHandler spacer
  • Updates documentation for decorated-window and decorated-window-material
  • Adds CLAUDE.md project instructions

Test plan

  • Verify TitleBar with no backgroundContent arg behaves identically to before on macOS, Windows, Linux
  • Verify a custom backgroundContent (e.g. gradient Box) renders correctly behind controls on each platform
  • Verify MaterialTitleBar passes backgroundContent through correctly
  • Check JBR and JNI builds separately

@kdroidFilter
feat: add backgroundContent slot to TitleBar and MaterialTitleBar
fbb9c3a 
Allow callers to inject composable content rendered behind the title bar
controls, propagated through all platform implementations (macOS, Windows,
Linux) for both JBR and JNI backends. Also adds CLAUDE.md and updates docs.
@kdroidFilter kdroidFilter merged commit b9cc76f into main Mar 11, 2026
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