92 lines
3.2 KiB
Rust
92 lines
3.2 KiB
Rust
use std::sync::RwLock;
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use cacao::uikit::{App, AppDelegate, Scene, SceneConfig, SceneConnectionOptions, SceneSession, Window, WindowSceneDelegate};
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use cacao::color::Color;
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use cacao::layout::{Layout, LayoutConstraint};
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use cacao::view::{View, ViewController, ViewDelegate};
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use cacao::image::{ImageView, Image};
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#[derive(Default)]
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struct TestApp;
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impl AppDelegate for TestApp {
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fn config_for_scene_session(&self, session: SceneSession, _options: SceneConnectionOptions) -> SceneConfig {
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SceneConfig::new("Default Configuration", session.role())
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}
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}
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#[derive(Default)]
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pub struct RootView {
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pub red: View,
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pub green: View,
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pub blue: View,
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pub image: ImageView,
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}
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impl ViewDelegate for RootView {
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const NAME: &'static str = "RootView";
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fn did_load(&mut self, view: View) {
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self.red.set_background_color(Color::SystemRed);
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self.red.layer.set_corner_radius(16.);
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view.add_subview(&self.red);
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self.green.set_background_color(Color::SystemGreen);
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view.add_subview(&self.green);
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self.blue.set_background_color(Color::SystemBlue);
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view.add_subview(&self.blue);
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let image_bytes = include_bytes!("../../test-data/favicon.ico");
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self.image = ImageView::new();
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self.image.set_image(&Image::with_data(image_bytes));
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view.add_subview(&self.image);
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LayoutConstraint::activate(&[
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self.red.top.constraint_equal_to(&view.top).offset(16.),
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self.red.leading.constraint_equal_to(&view.leading).offset(16.),
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self.red.trailing.constraint_equal_to(&view.trailing).offset(-16.),
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self.red.height.constraint_equal_to_constant(100.),
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self.green.top.constraint_equal_to(&self.red.bottom).offset(16.),
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self.green.leading.constraint_equal_to(&view.leading).offset(16.),
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self.green.trailing.constraint_equal_to(&view.trailing).offset(-16.),
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self.green.height.constraint_equal_to_constant(120.),
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self.blue.top.constraint_equal_to(&self.green.bottom).offset(16.),
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self.blue.leading.constraint_equal_to(&view.leading).offset(16.),
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self.blue.trailing.constraint_equal_to(&view.trailing).offset(-16.),
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self.blue.bottom.constraint_equal_to(&view.bottom).offset(-16.)
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]);
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}
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}
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#[derive(Default)]
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pub struct WindowScene {
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pub window: RwLock<Option<Window>>,
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pub root_view_controller: RwLock<Option<ViewController<RootView>>>
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}
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impl WindowSceneDelegate for WindowScene {
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fn will_connect(&self, scene: Scene, session: SceneSession, options: SceneConnectionOptions) {
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let bounds = scene.get_bounds();
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let mut window = Window::new(bounds);
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window.set_window_scene(scene);
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let root_view_controller = ViewController::new(RootView::default());
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window.set_root_view_controller(&root_view_controller);
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window.show();
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{
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let mut w = self.window.write().unwrap();
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*w = Some(window);
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let mut vc = self.root_view_controller.write().unwrap();
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*vc = Some(root_view_controller);
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}
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}
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}
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fn main() {
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App::new(TestApp::default(), || Box::new(WindowScene::default())).run();
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}
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