I need to get offset extraLines of BarChart when touch it
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- Dominant language
- Dart
- Stars
- 7.6k
- Forks
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- Avg merge
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- Merged PRs (30d)
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Description
I need to get offset `extraLines` (HorizontalLine) of `BarChart` when touch it. I use offset to show tooltip for `extraLines` by `Stack` and `Positioned`
I hope it will be like this image (In image, i hard code for offset)
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by tracing BarChart touch handling and how HorizontalLine extraLines are rendered. Check how touch positions are exposed alongside the Stack and Positioned usage shown in the issue. Done means a touched extraLine provides an offset that can be used to position its tooltip without hard-coded coordinates.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- dart, flutter
- Domain
- frontend
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100