53 lines
1.6 KiB
Rust
53 lines
1.6 KiB
Rust
//! Wraps NSMenu and handles instrumenting necessary delegate pieces.
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use objc_id::Id;
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use objc::runtime::Object;
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use objc::{class, msg_send, sel, sel_impl};
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use crate::foundation::{id, NSString};
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use crate::menu::item::MenuItem;
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/// A struct that represents an `NSMenu`. It takes ownership of items, and handles instrumenting
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/// them throughout the application lifecycle.
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#[derive(Debug)]
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pub struct Menu {
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pub inner: Id<Object>,
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pub items: Vec<MenuItem>
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}
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impl Menu {
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/// Creates a new `Menu` with the given title, and uses the passed items as submenu items.
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pub fn new(title: &str, items: Vec<MenuItem>) -> Self {
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let inner = unsafe {
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let cls = class!(NSMenu);
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let alloc: id = msg_send![cls, alloc];
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let title = NSString::new(title);
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let inner: id = msg_send![alloc, initWithTitle:title];
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Id::from_ptr(inner)
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};
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for item in items.iter() {
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match item {
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MenuItem::Action(item) => {
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unsafe {
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let _: () = msg_send![&*inner, addItem:item.clone()];
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}
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},
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MenuItem::Separator => {
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unsafe {
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let cls = class!(NSMenuItem);
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let separator: id = msg_send![cls, separatorItem];
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let _: () = msg_send![&*inner, addItem:separator];
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}
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}
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}
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}
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Menu {
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inner: inner,
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items: items
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}
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}
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}
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