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Diffstat (limited to 'native/src/layout/limits.rs')
-rw-r--r-- | native/src/layout/limits.rs | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/native/src/layout/limits.rs b/native/src/layout/limits.rs deleted file mode 100644 index 5d3c1556..00000000 --- a/native/src/layout/limits.rs +++ /dev/null @@ -1,163 +0,0 @@ -#![allow(clippy::manual_clamp)] -use crate::{Length, Padding, Size}; - -/// A set of size constraints for layouting. -#[derive(Debug, Clone, Copy)] -pub struct Limits { - min: Size, - max: Size, - fill: Size, -} - -impl Limits { - /// No limits - pub const NONE: Limits = Limits { - min: Size::ZERO, - max: Size::INFINITY, - fill: Size::INFINITY, - }; - - /// Creates new [`Limits`] with the given minimum and maximum [`Size`]. - pub const fn new(min: Size, max: Size) -> Limits { - Limits { - min, - max, - fill: Size::INFINITY, - } - } - - /// Returns the minimum [`Size`] of the [`Limits`]. - pub fn min(&self) -> Size { - self.min - } - - /// Returns the maximum [`Size`] of the [`Limits`]. - pub fn max(&self) -> Size { - self.max - } - - /// Returns the fill [`Size`] of the [`Limits`]. - pub fn fill(&self) -> Size { - self.fill - } - - /// Applies a width constraint to the current [`Limits`]. - pub fn width(mut self, width: impl Into<Length>) -> Limits { - match width.into() { - Length::Shrink => { - self.fill.width = self.min.width; - } - Length::Fill | Length::FillPortion(_) => { - self.fill.width = self.fill.width.min(self.max.width); - } - Length::Fixed(amount) => { - let new_width = amount.min(self.max.width).max(self.min.width); - - self.min.width = new_width; - self.max.width = new_width; - self.fill.width = new_width; - } - } - - self - } - - /// Applies a height constraint to the current [`Limits`]. - pub fn height(mut self, height: impl Into<Length>) -> Limits { - match height.into() { - Length::Shrink => { - self.fill.height = self.min.height; - } - Length::Fill | Length::FillPortion(_) => { - self.fill.height = self.fill.height.min(self.max.height); - } - Length::Fixed(amount) => { - let new_height = - amount.min(self.max.height).max(self.min.height); - - self.min.height = new_height; - self.max.height = new_height; - self.fill.height = new_height; - } - } - - self - } - - /// Applies a minimum width constraint to the current [`Limits`]. - pub fn min_width(mut self, min_width: f32) -> Limits { - self.min.width = self.min.width.max(min_width).min(self.max.width); - - self - } - - /// Applies a maximum width constraint to the current [`Limits`]. - pub fn max_width(mut self, max_width: f32) -> Limits { - self.max.width = self.max.width.min(max_width).max(self.min.width); - - self - } - - /// Applies a minimum height constraint to the current [`Limits`]. - pub fn min_height(mut self, min_height: f32) -> Limits { - self.min.height = self.min.height.max(min_height).min(self.max.height); - - self - } - - /// Applies a maximum height constraint to the current [`Limits`]. - pub fn max_height(mut self, max_height: f32) -> Limits { - self.max.height = self.max.height.min(max_height).max(self.min.height); - - self - } - - /// Shrinks the current [`Limits`] to account for the given padding. - pub fn pad(&self, padding: Padding) -> Limits { - self.shrink(Size::new(padding.horizontal(), padding.vertical())) - } - - /// Shrinks the current [`Limits`] by the given [`Size`]. - pub fn shrink(&self, size: Size) -> Limits { - let min = Size::new( - (self.min().width - size.width).max(0.0), - (self.min().height - size.height).max(0.0), - ); - - let max = Size::new( - (self.max().width - size.width).max(0.0), - (self.max().height - size.height).max(0.0), - ); - - let fill = Size::new( - (self.fill.width - size.width).max(0.0), - (self.fill.height - size.height).max(0.0), - ); - - Limits { min, max, fill } - } - - /// Removes the minimum width constraint for the current [`Limits`]. - pub fn loose(&self) -> Limits { - Limits { - min: Size::ZERO, - max: self.max, - fill: self.fill, - } - } - - /// Computes the resulting [`Size`] that fits the [`Limits`] given the - /// intrinsic size of some content. - pub fn resolve(&self, intrinsic_size: Size) -> Size { - Size::new( - intrinsic_size - .width - .min(self.max.width) - .max(self.fill.width), - intrinsic_size - .height - .min(self.max.height) - .max(self.fill.height), - ) - } -} |