686978d7c5
Closes #22610 This PR fixes the invisible scroll thumb or very tiny scroll thumb when viewing long or wide files. The difference between `track_bounds` (imagine scrollbar total height) and `thumb_size` is the remaining area, which maps to the total height of the page for scrolling to work as expected. This is already accounted for. That means we can adjust the thumb size as needed, and the remaining height/width will be mapped correctly. So, we can simply use define a minimum size for the thumb and handle cases where the track bounds are smaller than the defined minimum size. In such cases, the scrollbar will take up the full height/width of the track bounds. This is handled mainly to avoid panics in extreme edge cases. Practically, at such small heights/widths, users are unlikely to attempt scrolling. Before: https://github.com/user-attachments/assets/cf2edf03-8b9a-4678-b3c6-9dcbd01e5db8 After: https://github.com/user-attachments/assets/e9496a44-3e7d-4be7-b892-2762cccd9959 Release Notes: - Fixed issue where scroll thumb was invisible or too small when viewing long or wide files. |
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