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author | 2023-03-04 05:37:11 +0100 | |
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committer | 2023-03-04 05:37:11 +0100 | |
commit | 3a0d34c0240f4421737a6a08761f99d6f8140d02 (patch) | |
tree | c9a4a6b8e9c1db1b8fcd05bc98e3f131d5ef4bd5 /widget/src/space.rs | |
parent | c54409d1711e1f615c7ea4b02c082954e340632a (diff) | |
download | iced-3a0d34c0240f4421737a6a08761f99d6f8140d02.tar.gz iced-3a0d34c0240f4421737a6a08761f99d6f8140d02.tar.bz2 iced-3a0d34c0240f4421737a6a08761f99d6f8140d02.zip |
Create `iced_widget` subcrate and re-organize the whole codebase
Diffstat (limited to 'widget/src/space.rs')
-rw-r--r-- | widget/src/space.rs | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/widget/src/space.rs b/widget/src/space.rs new file mode 100644 index 00000000..e1e09d5a --- /dev/null +++ b/widget/src/space.rs @@ -0,0 +1,86 @@ +//! Distribute content vertically. +use crate::core; +use crate::core::layout; +use crate::core::renderer; +use crate::core::widget::Tree; +use crate::core::{Element, Layout, Length, Point, Rectangle, Size, Widget}; + +/// An amount of empty space. +/// +/// It can be useful if you want to fill some space with nothing. +#[derive(Debug)] +pub struct Space { + width: Length, + height: Length, +} + +impl Space { + /// Creates an amount of empty [`Space`] with the given width and height. + pub fn new(width: impl Into<Length>, height: impl Into<Length>) -> Self { + Space { + width: width.into(), + height: height.into(), + } + } + + /// Creates an amount of horizontal [`Space`]. + pub fn with_width(width: impl Into<Length>) -> Self { + Space { + width: width.into(), + height: Length::Shrink, + } + } + + /// Creates an amount of vertical [`Space`]. + pub fn with_height(height: impl Into<Length>) -> Self { + Space { + width: Length::Shrink, + height: height.into(), + } + } +} + +impl<Message, Renderer> Widget<Message, Renderer> for Space +where + Renderer: core::Renderer, +{ + fn width(&self) -> Length { + self.width + } + + fn height(&self) -> Length { + self.height + } + + fn layout( + &self, + _renderer: &Renderer, + limits: &layout::Limits, + ) -> layout::Node { + let limits = limits.width(self.width).height(self.height); + + layout::Node::new(limits.resolve(Size::ZERO)) + } + + fn draw( + &self, + _state: &Tree, + _renderer: &mut Renderer, + _theme: &Renderer::Theme, + _style: &renderer::Style, + _layout: Layout<'_>, + _cursor_position: Point, + _viewport: &Rectangle, + ) { + } +} + +impl<'a, Message, Renderer> From<Space> for Element<'a, Message, Renderer> +where + Renderer: core::Renderer, + Message: 'a, +{ + fn from(space: Space) -> Element<'a, Message, Renderer> { + Element::new(space) + } +} |