cacao/examples/frame_layout.rs
2022-08-21 19:21:26 -04:00

114 lines
3 KiB
Rust

//! This example showcases setting up a basic application and window, setting up some views to
//! work with autolayout, and some basic ways to handle colors.
use cacao::color::Color;
use cacao::geometry::Rect;
use cacao::layout::Layout;
use cacao::view::View;
use cacao::appkit::menu::{Menu, MenuItem};
use cacao::appkit::window::{Window, WindowConfig, WindowDelegate};
use cacao::appkit::{App, AppDelegate};
const CORNER_RADIUS: f64 = 16.;
const SPACING: f64 = 10.;
const TOP: f64 = 40.;
const WIDTH: f64 = 100.;
const HEIGHT: f64 = 100.;
struct BasicApp {
window: Window<AppWindow>
}
impl AppDelegate for BasicApp {
fn did_finish_launching(&self) {
App::set_menu(vec![
Menu::new("", vec![
MenuItem::Services,
MenuItem::Separator,
MenuItem::Hide,
MenuItem::HideOthers,
MenuItem::ShowAll,
MenuItem::Separator,
MenuItem::Quit,
]),
Menu::new("File", vec![MenuItem::CloseWindow]),
Menu::new("View", vec![MenuItem::EnterFullScreen]),
Menu::new("Window", vec![
MenuItem::Minimize,
MenuItem::Zoom,
MenuItem::Separator,
MenuItem::new("Bring All to Front"),
]),
]);
App::activate();
self.window.show();
self.window.delegate.as_ref().unwrap().layout();
}
fn should_terminate_after_last_window_closed(&self) -> bool {
true
}
}
#[derive(Default)]
struct AppWindow {
content: View,
blue: View,
red: View,
green: View
}
impl AppWindow {
pub fn layout(&self) {
self.blue.set_background_color(Color::SystemBlue);
self.blue.set_frame(Rect {
top: TOP,
left: SPACING,
width: WIDTH,
height: HEIGHT
});
self.blue.layer.set_corner_radius(CORNER_RADIUS);
self.content.add_subview(&self.blue);
self.red.set_background_color(Color::SystemRed);
self.red.set_frame(Rect {
top: TOP,
left: WIDTH + (SPACING * 2.),
width: WIDTH,
height: HEIGHT
});
self.red.layer.set_corner_radius(CORNER_RADIUS);
self.content.add_subview(&self.red);
self.green.set_background_color(Color::SystemGreen);
self.green.set_frame(Rect {
top: TOP,
left: (WIDTH * 2.) + (SPACING * 3.),
width: WIDTH,
height: HEIGHT
});
self.green.layer.set_corner_radius(CORNER_RADIUS);
self.content.add_subview(&self.green);
}
}
impl WindowDelegate for AppWindow {
const NAME: &'static str = "WindowDelegate";
fn did_load(&mut self, window: Window) {
window.set_title("Frame Layout Example");
window.set_minimum_content_size(300., 300.);
window.set_content_view(&self.content);
}
}
fn main() {
App::new("com.test.window", BasicApp {
window: Window::with(WindowConfig::default(), AppWindow::default())
})
.run();
}