57 lines
1.7 KiB
Rust
57 lines
1.7 KiB
Rust
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//! A wrapper for NSButton. Currently the epitome of jank - if you're poking around here, expect
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//! that this will change at some point.
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use std::sync::Once;
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use cocoa::base::{id, nil};
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use cocoa::foundation::{NSString};
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use objc_id::Id;
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use objc::declare::ClassDecl;
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use objc::runtime::{Class, Object};
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use objc::{msg_send, sel, sel_impl};
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/// A wrapper for `NSButton`. Holds (retains) pointers for the Objective-C runtime
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/// where our `NSButton` lives.
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pub struct Button {
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pub inner: Id<Object>
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}
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impl Button {
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/// Creates a new `NSButton` instance, configures it appropriately,
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/// and retains the necessary Objective-C runtime pointer.
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pub fn new(text: &str) -> Self {
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let inner = unsafe {
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let title = NSString::alloc(nil).init_str(text);
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let button: id = msg_send![register_class(), buttonWithTitle:title target:nil action:nil];
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Id::from_ptr(button)
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};
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Button {
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inner: inner
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}
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}
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/// Sets the bezel style for this button.
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pub fn set_bezel_style(&self, bezel_style: i32) {
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unsafe {
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let _: () = msg_send![&*self.inner, setBezelStyle:bezel_style];
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}
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}
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}
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/// Registers an `NSButton` subclass, and configures it to hold some ivars for various things we need
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/// to store.
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fn register_class() -> *const Class {
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static mut VIEW_CLASS: *const Class = 0 as *const Class;
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static INIT: Once = Once::new();
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INIT.call_once(|| unsafe {
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let superclass = Class::get("NSButton").unwrap();
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let decl = ClassDecl::new("RSTButton", superclass).unwrap();
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VIEW_CLASS = decl.register();
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});
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unsafe { VIEW_CLASS }
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}
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