399600d443
Takes advantage of lifetime elision on some examples where the rule applies. Refer: https://doc.rust-lang.org/reference/lifetime-elision.html#static-lifetime-elision
112 lines
3.5 KiB
Rust
112 lines
3.5 KiB
Rust
//! This example showcases setting up a basic application and window, setting up some views to
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//! work with autolayout, and some basic ways to handle colors.
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use cacao::color::{Color, Theme};
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use cacao::layout::{Layout, LayoutConstraint};
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use cacao::view::View;
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use cacao::appkit::menu::{Menu, MenuItem};
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use cacao::appkit::window::{Window, WindowConfig, WindowDelegate};
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use cacao::appkit::{App, AppDelegate};
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struct BasicApp {
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window: Window<AppWindow>,
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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::set_menu(vec![
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Menu::new(
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"",
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vec![
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MenuItem::Services,
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MenuItem::Separator,
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MenuItem::Hide,
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MenuItem::HideOthers,
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MenuItem::ShowAll,
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MenuItem::Separator,
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MenuItem::Quit,
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],
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),
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Menu::new("File", vec![MenuItem::CloseWindow]),
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Menu::new("View", vec![MenuItem::EnterFullScreen]),
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Menu::new(
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"Window",
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vec![
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MenuItem::Minimize,
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MenuItem::Zoom,
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MenuItem::Separator,
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MenuItem::new("Bring All to Front"),
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],
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),
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]);
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App::activate();
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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 AppWindow {
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content: View,
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blue: View,
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red: View,
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green: View,
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}
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impl WindowDelegate for AppWindow {
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const NAME: &'static str = "WindowDelegate";
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fn did_load(&mut self, window: Window) {
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window.set_title("AutoLayout Example");
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window.set_minimum_content_size(300., 300.);
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let dynamic = Color::dynamic(|style| match (style.theme, style.contrast) {
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(Theme::Dark, _) => Color::SystemGreen,
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_ => Color::SystemRed,
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});
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self.blue.set_background_color(Color::SystemBlue);
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self.blue.layer.set_corner_radius(16.);
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self.content.add_subview(&self.blue);
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self.red.set_background_color(Color::SystemRed);
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self.content.add_subview(&self.red);
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self.green.set_background_color(dynamic);
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self.content.add_subview(&self.green);
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window.set_content_view(&self.content);
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LayoutConstraint::activate(&[
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self.blue.top.constraint_equal_to(&self.content.top).offset(46.),
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self.blue.leading.constraint_equal_to(&self.content.leading).offset(16.),
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self.blue.bottom.constraint_equal_to(&self.content.bottom).offset(-16.),
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self.blue.width.constraint_equal_to_constant(100.),
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self.red.top.constraint_equal_to(&self.content.top).offset(46.),
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self.red.leading.constraint_equal_to(&self.blue.trailing).offset(16.),
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self.red.bottom.constraint_equal_to(&self.content.bottom).offset(-16.),
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self.green.top.constraint_equal_to(&self.content.top).offset(46.),
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self.green.leading.constraint_equal_to(&self.red.trailing).offset(16.),
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self.green.trailing.constraint_equal_to(&self.content.trailing).offset(-16.),
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self.green.bottom.constraint_equal_to(&self.content.bottom).offset(-16.),
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self.green.width.constraint_equal_to_constant(100.),
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]);
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}
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}
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fn main() {
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App::new(
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"com.test.window",
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BasicApp {
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window: Window::with(WindowConfig::default(), AppWindow::default()),
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},
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)
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.run();
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}
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