72 lines
2.4 KiB
Rust
72 lines
2.4 KiB
Rust
//! This example showcases setting up a basic application and window, and setting up some views to
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//! work with autolayout.
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use cacao::app::{App, AppDelegate, MacAppDelegate};
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use cacao::color::rgb;
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use cacao::layout::{Layout, LayoutConstraint};
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use cacao::view::View;
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use cacao::window::{Window, WindowConfig, WindowDelegate};
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struct BasicApp {
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window: Window<AppWindow>
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}
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impl MacAppDelegate for BasicApp {}
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impl AppDelegate for BasicApp {
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fn did_finish_launching(&self) {
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self.window.show();
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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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window: Window
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}
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impl WindowDelegate for AppWindow {
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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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self.window = window;
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self.blue.set_background_color(rgb(105, 162, 176));
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self.content.add_subview(&self.blue);
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self.red.set_background_color(rgb(224, 82, 99));
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self.content.add_subview(&self.red);
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self.green.set_background_color(rgb(161, 192, 132));
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self.content.add_subview(&self.green);
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self.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(16.),
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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(16.),
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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(16.),
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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("com.test.window", BasicApp {
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window: Window::with(WindowConfig::default(), AppWindow::default())
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}).run();
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}
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