  DongandBen Kunkle
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641ae90cd6
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settings_ui: Fix IEEE 754 floating point error when serializing value to JSON (#40677)
Closes #40556
Release Notes:
- settings-ui: Fixed an issue where modifying floating point number fields could result in the values written to the settings file containing IEEE 754 floating point error
> [!Note]
> Seems like there's another pull request fixing the centered layout in
#40661 by normalizing the whole `settings.json` file when updating it.
Not sure which is the better way to handle this issue.
## Description
This pull request solves the IEEE 754 floating point error when
serializing values from settings-ui into `settings.json` by creating a
two `serde_helper` to convert the problematic f32 into a formatted two
decimal placed f32.
Fields currently exists the IEEE 754 error:
- Appearance → Unnecessary Code Fade
- Editor → Drop Size Target
- Window & Layout → Centered Layout Left/Right Padding
- Window & Layout → Inactive Opacity
## How to verify
### Unnecessary Code Fade
As Is | To Be
--- | ---
<video
src="https://github.com/user-attachments/assets/1bf4bad2-63c5-4b03-ac29-8b6b59569e16"
/> | <video
src="https://github.com/user-attachments/assets/dadcd4a1-651b-43dd-913f-edae073ceb68"
/>
### Drop Size Target
As Is | To Be
--- | ---
<video
src="https://github.com/user-attachments/assets/9d5b4173-fcac-44d0-b7fc-772a2e426ef1"
/> | <video
src="https://github.com/user-attachments/assets/4b5adeaf-e678-494d-bd1b-6c1d55824c43"
/>
### Centered Layout Left/Right Padding
As Is | To Be
--- | ---
<video
src="https://github.com/user-attachments/assets/33b4e1ff-7ab2-44f7-9e9b-8abad1565d9a"
/> | <video
src="https://github.com/user-attachments/assets/63d8de9e-28d1-4bd7-a6c9-02452e105486"
/>
### Inactive Opacity
As Is | To Be
--- | ---
<video
src="https://github.com/user-attachments/assets/a7fe2e72-deb6-41dc-82f3-e2649503b8a4"
/> | <video
src="https://github.com/user-attachments/assets/993c314f-b6f6-4dcd-8f74-fa357ab063e9"
/>
---------
Co-authored-by: Ben Kunkle <ben@zed.dev>
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2025-10-21 16:45:40 +00:00 |
|