65 lines
1.9 KiB
Rust
65 lines
1.9 KiB
Rust
//! This example showcases setting up a basic application and view with safe area constraints.
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use cacao::appkit::window::Window;
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use cacao::appkit::{App, AppDelegate};
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use cacao::layout::{Layout, LayoutConstraint};
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use cacao::text::{Font, Label};
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use cacao::view::{View, ViewDelegate};
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struct BasicApp {
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window: Window,
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content_view: View<ContentView>
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}
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impl AppDelegate for BasicApp {
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fn did_finish_launching(&self) {
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App::activate();
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self.window.set_minimum_content_size(400., 400.);
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self.window.set_title("Safe Area Demo");
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self.window.set_content_view(&self.content_view);
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self.window.show();
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}
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fn should_terminate_after_last_window_closed(&self) -> bool {
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true
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}
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}
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#[derive(Default)]
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struct ContentView {
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content: View,
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label: Label
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}
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impl ViewDelegate for ContentView {
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const NAME: &'static str = "SafeAreaView";
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fn did_load(&mut self, view: View) {
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let font = Font::system(30.);
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self.label.set_font(&font);
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self.label.set_text("Hello World");
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self.label.set_text_color(cacao::color::Color::rgb(255, 255, 255));
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self.content.add_subview(&self.label);
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view.add_subview(&self.content);
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// Add layout constraints to be 100% excluding the safe area
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// Do last because it will crash because the view needs to be inside the hierarchy
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cacao::layout::LayoutConstraint::activate(&[
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self.content.top.constraint_equal_to(&view.safe_layout_guide.top),
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self.content.leading.constraint_equal_to(&view.safe_layout_guide.leading),
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self.content.trailing.constraint_equal_to(&view.safe_layout_guide.trailing),
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self.content.bottom.constraint_equal_to(&view.safe_layout_guide.bottom)
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])
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}
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}
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fn main() {
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App::new("com.test.window", BasicApp {
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window: Window::default(),
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content_view: View::with(ContentView::default())
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})
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.run();
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}
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