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# Objective Split the UI overflow enum so that overflow can be set for each axis separately. ## Solution Change `Overflow` from an enum to a struct with `x` and `y` `OverflowAxis` fields, where `OverflowAxis` is an enum with `Clip` and `Visible` variants. Modify `update_clipping` to calculate clipping for each axis separately. If only one axis is clipped, the other axis is given infinite bounds. <img width="642" alt="overflow" src="https://user-images.githubusercontent.com/27962798/227592983-568cf76f-7e40-48c4-a511-43c886f5e431.PNG"> --- ## Changelog * Split the UI overflow implementation so overflow can be set for each axis separately. * Added the enum `OverflowAxis` with `Clip` and `Visible` variants. * Changed `Overflow` to a struct with `x` and `y` fields of type `OverflowAxis`. * `Overflow` has new methods `visible()` and `hidden()` that replace its previous `Clip` and `Visible` variants. * Added `Overflow` helper methods `clip_x()` and `clip_y()` that return a new `Overflow` value with the given axis clipped. * Modified `update_clipping` so it calculates clipping for each axis separately. If a node is only clipped on a single axis, the other axis is given `-f32::INFINITY` to `f32::INFINITY` clipping bounds. ## Migration Guide The `Style` property `Overflow` is now a struct with `x` and `y` fields, that allow for per-axis overflow control. Use these helper functions to replace the variants of `Overflow`: * Replace `Overflow::Visible` with `Overflow::visible()` * Replace `Overflow::Hidden` with `Overflow::clip()` |
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| .. | ||
| button.rs | ||
| flex_layout.rs | ||
| font_atlas_debug.rs | ||
| grid.rs | ||
| overflow.rs | ||
| overflow_debug.rs | ||
| relative_cursor_position.rs | ||
| text.rs | ||
| text_debug.rs | ||
| transparency_ui.rs | ||
| ui.rs | ||
| ui_scaling.rs | ||
| window_fallthrough.rs | ||
| z_index.rs | ||
