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|
//! Access the clipboard.
/// 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 {
#[allow(unsafe_code)]
let state = unsafe { window_clipboard::Clipboard::connect(window) }
.ok()
.map(State::Connected)
.unwrap_or(State::Unavailable);
Clipboard { state }
}
/// Creates a new [`Clipboard`] that isn't associated with a window.
/// This clipboard will never contain a copied value.
pub fn unconnected() -> Clipboard {
Clipboard {
state: State::Unavailable,
}
}
/// 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 => {}
}
}
/// Reads the current content of primary as text.
pub fn read_primary(&self) -> Option<String> {
match &self.state {
State::Connected(clipboard) => {
clipboard.read_primary().and_then(|r| r.ok())
}
State::Unavailable => None,
}
}
/// Writes the given text contents to primary.
pub fn write_primary(&mut self, contents: String) {
match &mut self.state {
State::Connected(clipboard) => {
match clipboard.write_primary(contents) {
Some(Ok(())) => {}
Some(Err(error)) => {
log::warn!("error writing to primary: {error}");
}
None => {}
}
}
State::Unavailable => {}
}
}
}
impl crate::core::Clipboard for Clipboard {
fn read(&self) -> Option<String> {
self.read()
}
fn write(&mut self, contents: String) {
self.write(contents);
}
fn read_primary(&self) -> Option<String> {
self.read_primary()
}
fn write_primary(&mut self, contents: String) {
self.write_primary(contents);
}
}
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