learn_gpui.rs

use std::marker::PhantomData;

use gpui::{
    App, Application, Context, Menu, MenuItem, Window,
    WindowOptions, actions, div, prelude::*, rgb, Global
};


pub struct Theme {
    primary: u32,
    secondary: u32,
}

impl From<(u32, u32)> for Theme {
    fn from(tup: (u32, u32)) -> Theme {
        Theme { primary: tup.0, secondary: tup.1 }
    }
}

pub const SPOTIFY_THEME: Theme = Theme {
    primary: 0x1cd061,
    secondary: 0x121212,
};

pub const FIREFOX_THEME: Theme = Theme {
    primary: 0xff5933,
    secondary: 0x421c5f,
};

pub const BLUEY_THEME: Theme = Theme {
    primary: 0xf2d787,
    secondary: 0x9acbec,
};

pub const SPICY_THEME: Theme = Theme {
    primary: 0x1b1b1b,
    secondary: 0xffa31a,
};

pub struct SetMenus;

pub struct ActiveTheme {
    active_theme: Theme,
}

impl Global for ActiveTheme {}

//what does this macro do exactly
actions!(set_menus, [Quit]);
actions!(set_menus, [SpotifyTheme]);
actions!(set_menus, [FirefoxTheme]);
actions!(set_menus, [BlueyTheme]);
actions!(set_menus, [SpicyTheme]);


impl Render for SetMenus {
    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
        div()
            .flex()
            .bg(rgb(cx.global::<ActiveTheme>().active_theme.primary))
            .size_full()
            .justify_center()
            .items_center()
            .text_xl()
            .text_color(rgb(cx.global::<ActiveTheme>().active_theme.secondary))
            .child("Set Menus Example")
    }
}

fn main() {
    Application::new().run(|cx: &mut App| {

        cx.set_global::<ActiveTheme>(ActiveTheme { active_theme: SPOTIFY_THEME });

        //??? idk what this does exactly
        cx.activate(true);

        cx.on_action(|_: &Quit, cx: &mut App| cx.quit());
        cx.on_action(|_: &FirefoxTheme, cx: &mut App| {
            cx.set_global::<ActiveTheme>(ActiveTheme { active_theme: FIREFOX_THEME });
            cx.notify();
        });
        cx.on_action(|_: &BlueyTheme, cx: &mut App| {
            cx.set_global::<ActiveTheme>(ActiveTheme { active_theme: BLUEY_THEME });
            cx.notify();
        });
        cx.on_action(|_: &SpotifyTheme, cx: &mut App| {
            cx.set_global::<ActiveTheme>(ActiveTheme { active_theme: SPOTIFY_THEME });
            cx.notify();
        });
        cx.on_action(|_: &SpicyTheme, cx: &mut App| {
            cx.set_global::<ActiveTheme>(ActiveTheme { active_theme: SPICY_THEME });
            cx.notify();
        });

        cx.set_menus(vec![
            Menu {
                name: "main".into(),
                items: vec![
                    MenuItem::action("Quit", Quit),
            ]},
            Menu {
                name: "themes!!!".into(),
                items: vec![
                    MenuItem::action("Spotify theme", SpotifyTheme),
                    MenuItem::action("Firefox theme", FirefoxTheme),
                    MenuItem::action("Bluey theme", BlueyTheme),
                    MenuItem::action("Spicy theme", SpicyTheme),
                ],
            },
        ]);

        let set_menus =  cx.new(|_| {SetMenus});
        cx.open_window(WindowOptions::default(), |_, _cx| { set_menus }).unwrap();

    })
}