StratoSDK is a framework with a declarative approach similar to Flutter/React, written and designed entirely for Rust.
| 1 | use instant::Instant; |
| 2 | use strato_ui::{ |
| 3 | assets::asset_cache::AssetSource, |
| 4 | elements::{ |
| 5 | CacheOption, ConstrainedBox, CrossAxisAlignment, Flex, Image, ParentElement, Shrinkable, |
| 6 | Stack, |
| 7 | }, |
| 8 | AppContext, Element, Entity, TypedActionView, View, |
| 9 | }; |
| 10 | |
| 11 | pub struct RootView { |
| 12 | animation_start_time: Instant, |
| 13 | } |
| 14 | |
| 15 | impl RootView { |
| 16 | pub fn new() -> Self { |
| 17 | println!( |
| 18 | "WARN: This example is slow to start up due to the huge GIF. Compiling with --release \ |
| 19 | helps." |
| 20 | ); |
| 21 | RootView { |
| 22 | animation_start_time: Instant::now(), |
| 23 | } |
| 24 | } |
| 25 | } |
| 26 | |
| 27 | impl Default for RootView { |
| 28 | fn default() -> Self { |
| 29 | Self::new() |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | impl Entity for RootView { |
| 34 | type Event = (); |
| 35 | } |
| 36 | impl View for RootView { |
| 37 | fn ui_name() -> &'static str { |
| 38 | "RootView" |
| 39 | } |
| 40 | |
| 41 | fn render(&self, _: &AppContext) -> Box<dyn Element> { |
| 42 | Stack::new() |
| 43 | .with_child( |
| 44 | Shrinkable::new( |
| 45 | 1., |
| 46 | Image::new( |
| 47 | AssetSource::Bundled { |
| 48 | path: "rustyrain.gif", |
| 49 | }, |
| 50 | CacheOption::Original, |
| 51 | ) |
| 52 | .enable_animation_with_start_time(self.animation_start_time) |
| 53 | .cover() |
| 54 | .finish(), |
| 55 | ) |
| 56 | .finish(), |
| 57 | ) |
| 58 | .with_child( |
| 59 | Flex::row() |
| 60 | .with_cross_axis_alignment(CrossAxisAlignment::Center) |
| 61 | .with_child( |
| 62 | ConstrainedBox::new( |
| 63 | Image::new( |
| 64 | AssetSource::Bundled { |
| 65 | path: "numbers-1000ms.gif", |
| 66 | }, |
| 67 | CacheOption::BySize, |
| 68 | ) |
| 69 | .enable_animation_with_start_time(self.animation_start_time) |
| 70 | .finish(), |
| 71 | ) |
| 72 | .with_height(350.) |
| 73 | .with_width(350.) |
| 74 | .finish(), |
| 75 | ) |
| 76 | .with_child( |
| 77 | ConstrainedBox::new( |
| 78 | Image::new( |
| 79 | AssetSource::Bundled { |
| 80 | path: "numbers-750ms.gif", |
| 81 | }, |
| 82 | CacheOption::BySize, |
| 83 | ) |
| 84 | .enable_animation_with_start_time(self.animation_start_time) |
| 85 | .finish(), |
| 86 | ) |
| 87 | .with_height(350.) |
| 88 | .with_width(350.) |
| 89 | .finish(), |
| 90 | ) |
| 91 | .finish(), |
| 92 | ) |
| 93 | .finish() |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | impl TypedActionView for RootView { |
| 98 | type Action = (); |
| 99 | } |
| 100 |