Piotr Osiewicz
dc64ec9cc8
Follow-up to https://github.com/zed-industries/zed/pull/27791 Release Notes: - N/A
30 lines
1.0 KiB
Rust
30 lines
1.0 KiB
Rust
use gpui::{Length, Rems, Window, rems};
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/// The base size of a rem, in pixels.
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pub const BASE_REM_SIZE_IN_PX: f32 = 16.;
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/// Returns a rem value derived from the provided pixel value and the base rem size (16px).
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///
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/// This can be used to compute rem values relative to pixel sizes, without
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/// needing to hard-code the rem value.
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///
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/// For instance, instead of writing `rems(0.875)` you can write `rems_from_px(14.)`
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#[inline(always)]
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pub fn rems_from_px(px: f32) -> Rems {
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rems(px / BASE_REM_SIZE_IN_PX)
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}
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/// Returns a [`Length`] corresponding to the specified percentage of the viewport's width.
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///
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/// `percent` should be a value between `0.0` and `1.0`.
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pub fn vw(percent: f32, window: &mut Window) -> Length {
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Length::from(window.viewport_size().width * percent)
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}
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/// Returns a [`Length`] corresponding to the specified percentage of the viewport's height.
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///
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/// `percent` should be a value between `0.0` and `1.0`.
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pub fn vh(percent: f32, window: &mut Window) -> Length {
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Length::from(window.viewport_size().height * percent)
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}
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