mirror of
https://github.com/danbulant/cushy
synced 2026-06-13 19:42:39 +00:00
e70e92726c
Refs #98 This refactor overhauls the reactive system to move all the reactive methods to traits. The side effect of this change is that now DynamicReader's API is the same as Dynamic's API, but because it only implements Source<T>, DynamicReader does not offer any mutation functions. While it's unfortunate to have more traits to include to use Cushy, this seems like the best option, and it offers a path to try to integrate this into the tuple ForEach/MapEach traits. Unfortunately, my attempt at doing those in this set of changes led to issues specifying generic associated lifetimes for the DynamicGuard. But, I was also in the middle of this larger refactoring, so it might be that a fresh attempt will succeed.
84 lines
2.7 KiB
Rust
84 lines
2.7 KiB
Rust
use cushy::animation::ZeroToOne;
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use cushy::value::{Dynamic, MapEachCloned, Source};
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use cushy::widget::MakeWidget;
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use cushy::widgets::image::{Aspect, ImageScaling};
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use cushy::widgets::slider::Slidable;
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use cushy::widgets::Image;
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use cushy::Run;
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use figures::Size;
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use kludgine::include_texture;
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fn main() -> cushy::Result {
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let mode = Dynamic::<ScalingMode>::default();
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let scale = Dynamic::new(1f32);
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let orientation_width = Dynamic::<ZeroToOne>::default();
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let orientation_height = Dynamic::<ZeroToOne>::default();
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let orientation = (&orientation_width, &orientation_height)
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.map_each_cloned(|(width, height)| Size::new(width, height));
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let aspect_mode = Dynamic::<Aspect>::default();
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let image_scaling = (&mode, &scale, &aspect_mode, &orientation).map_each_cloned(
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|(mode, scale, aspect_mode, orientation)| match mode {
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ScalingMode::Aspect => ImageScaling::Aspect {
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mode: aspect_mode,
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orientation,
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},
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ScalingMode::Stretch => ImageScaling::Stretch,
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ScalingMode::Scale => ImageScaling::Scale(scale),
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},
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);
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let hide_scale_editor = mode.map_each(|scale| !matches!(scale, ScalingMode::Scale));
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let scale_editor = scale
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.slider_between(0., 3.)
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.contain()
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.collapse_vertically(hide_scale_editor);
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let image = Image::new(include_texture!("assets/ferris-happy.png").expect("valid image"));
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let origin_select = "Origin"
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.h3()
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.and("Width Orientation")
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.and(orientation_width.slider())
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.and("Height Orientation")
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.and(orientation_height.slider())
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.into_rows();
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let apsect_mode_select = "Mode"
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.h3()
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.and(aspect_mode.new_radio(Aspect::Fit, "Fit"))
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.and(aspect_mode.new_radio(Aspect::Fill, "Fill"))
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.into_rows();
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let hide_aspect_editor = mode.map_each(|scale| !matches!(scale, ScalingMode::Aspect));
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let aspect_editor = origin_select
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.and(apsect_mode_select)
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.into_rows()
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.contain()
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.collapse_vertically(hide_aspect_editor);
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let mode_select = "Scaling Mode"
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.h1()
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.and(mode.new_radio(ScalingMode::Scale, "Scale"))
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.and(scale_editor)
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.and(
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mode.new_radio(ScalingMode::Aspect, "Aspect")
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.and(aspect_editor)
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.into_rows(),
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)
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.and(mode.new_radio(ScalingMode::Stretch, "Stretch"))
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.into_rows();
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mode_select
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.and(image.scaling(image_scaling).expand().contain())
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.into_columns()
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.pad()
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.expand()
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.run()
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}
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#[derive(Default, Debug, PartialEq, Eq, Clone, Copy)]
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enum ScalingMode {
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Aspect,
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Stretch,
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#[default]
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Scale,
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}
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