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//! Access the clipboard.
pub use iced_native::clipboard::Action;
use crate::command::{self, Command};
/// A buffer for short-term storage and transfer within and between
/// applications.
#[allow(missing_debug_implementations)]
pub struct Clipboard {
state: State,
}
enum State {
Connected(window_clipboard::Clipboard),
Unavailable,
}
impl Clipboard {
/// Creates a new [`Clipboard`] for the given window.
pub fn connect(window: &winit::window::Window) -> Clipboard {
let state = window_clipboard::Clipboard::connect(window)
.ok()
.map(State::Connected)
.unwrap_or(State::Unavailable);
Clipboard { state }
}
/// Reads the current content of the [`Clipboard`] as text.
pub fn read(&self) -> Option<String> {
match &self.state {
State::Connected(clipboard) => clipboard.read().ok(),
State::Unavailable => None,
}
}
/// Writes the given text contents to the [`Clipboard`].
pub fn write(&mut self, contents: String) {
match &mut self.state {
State::Connected(clipboard) => match clipboard.write(contents) {
Ok(()) => {}
Err(error) => {
log::warn!("error writing to clipboard: {}", error)
}
},
State::Unavailable => {}
}
}
}
impl iced_native::Clipboard for Clipboard {
fn read(&self) -> Option<String> {
self.read()
}
fn write(&mut self, contents: String) {
self.write(contents)
}
}
/// Read the current contents of the clipboard.
pub fn read<Message>(
f: impl Fn(Option<String>) -> Message + 'static,
) -> Command<Message> {
Command::single(command::Action::Clipboard(Action::Read(Box::new(f))))
}
/// Write the given contents to the clipboard.
pub fn write<Message>(contents: String) -> Command<Message> {
Command::single(command::Action::Clipboard(Action::Write(contents)))
}
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