I'm writing an ebook reader. I wrote a composable to display paginated text, which involves measurin...

# compose

[Daniel]

I'm writing an ebook reader. I wrote a composable to display paginated text, which involves measuring MultiParagraphs and then rendering clipped portions to canvases. I want to allow text selection, so I looked at how the builtin Text handles selection. Unfortunately, essentially all the code used to manage selection in compose below the level of Text appears to be internal. I'm currently planning to copy https://cs.android.com/androidx/platform/frameworks/support/+/androidx-main:compose/[…]/foundation/text/selection/AndroidSelectionHandles.android.kt and most of https://cs.android.com/androidx/platform/frameworks/support/+/androidx-main:compose/[…]l=78?q=CoreText&ss=androidx%2Fplatform%2Fframeworks%2Fsupport to my own project, which doesn't feel ideal. Am I missing something?

[jim]

cc @Siyamed

[Daniel]

Here's what I have so far: https://gist.github.com/danielzfranklin/db21db2598a93294533764bcc4e6c5e8

[Daniel]

I've got a PageRenderer that is responsible for knowing what text is on the current page where. All I'm doing is copying from what CoreText uses, stripping out anything I don't need (like cross-composable selection)

[Daniel]

The gist leads to working drag-to-highlight so far