cranpose 0.1.133

Cranpose runtime and UI facade
Documentation 
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#![allow(unsafe_code)]

use std::rc::Rc;

use cranpose_ui::clipboard_session::{PlatformClipboard, set_platform_clipboard};
use objc2_foundation::NSString;
use objc2_ui_kit::UIPasteboard;

pub(crate) fn register() {
    set_platform_clipboard(Rc::new(IosClipboard));
}

struct IosClipboard;

impl PlatformClipboard for IosClipboard {
    fn write_text(&self, text: &str) {
        let string = NSString::from_str(text);
        let pasteboard = UIPasteboard::generalPasteboard();
        // SAFETY: writing a string to the process-wide general pasteboard.
        unsafe { pasteboard.setString(Some(&string)) };
    }

    fn read_text(&self) -> Option<String> {
        let pasteboard = UIPasteboard::generalPasteboard();
        // SAFETY: reading the general pasteboard's string property.
        let string = unsafe { pasteboard.string() }?;
        Some(string.to_string())
    }
}