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@ -131,6 +131,7 @@ default = [
"animation",
"bevy_asset",
"bevy_audio",
"bevy_clipboard",
"bevy_color",
"bevy_core_pipeline",
"bevy_core_widgets",
@ -307,6 +308,9 @@ bevy_log = ["bevy_internal/bevy_log"]
# Enable input focus subsystem
bevy_input_focus = ["bevy_internal/bevy_input_focus"]
# Clipboard access
bevy_clipboard = ["bevy_internal/bevy_clipboard"]
# Headless widget collection for Bevy UI.
bevy_core_widgets = ["bevy_internal/bevy_core_widgets"]
@ -3356,6 +3360,17 @@ description = "Illustrates creating and updating a button"
category = "UI (User Interface)"
wasm = true
[[example]]
name = "clipboard"
path = "examples/ui/clipboard.rs"
doc-scrape-examples = true
[package.metadata.example.clipboard]
name = "Clipboard"
description = "Demonstrates accessing the clipboard to retrieve and display text"
category = "UI (User Interface)"
wasm = true
[[example]]
name = "display_and_visibility"
path = "examples/ui/display_and_visibility.rs"

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@ -0,0 +1,30 @@
[package]
name = "bevy_clipboard"
version = "0.17.0-dev"
edition = "2024"
description = "Provides clipboard support for Bevy Engine"
homepage = "https://bevyengine.org"
repository = "https://github.com/bevyengine/bevy"
license = "MIT OR Apache-2.0"
keywords = ["bevy", "clipboard"]
[dependencies]
# bevy
bevy_app = { path = "../bevy_app", version = "0.17.0-dev", default-features = false }
bevy_ecs = { path = "../bevy_ecs", version = "0.17.0-dev", default-features = false }
bevy_platform = { path = "../bevy_platform", version = "0.17.0-dev", default-features = false }
[target.'cfg(any(windows, unix))'.dependencies]
arboard = { version = "3.5.0", default-features = false }
[target.'cfg(target_arch = "wasm32")'.dependencies]
wasm-bindgen = { version = "0.2" }
web-sys = { version = "0.3", features = ["Navigator", "Clipboard"] }
wasm-bindgen-futures = "0.4"
[lints]
workspace = true
[package.metadata.docs.rs]
rustdoc-args = ["-Zunstable-options", "--generate-link-to-definition"]
all-features = true

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@ -0,0 +1,176 @@
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@ -0,0 +1,19 @@
MIT License
Permission is hereby granted, free of charge, to any person obtaining a copy
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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@ -0,0 +1,7 @@
# Bevy Clipboard
[![License](https://img.shields.io/badge/license-MIT%2FApache-blue.svg)](https://github.com/bevyengine/bevy#license)
[![Crates.io](https://img.shields.io/crates/v/bevy_clipboard.svg)](https://crates.io/crates/bevy_clipboard)
[![Downloads](https://img.shields.io/crates/d/bevy_clipboard.svg)](https://crates.io/crates/bevy_clipboard)
[![Docs](https://docs.rs/bevy_clipboard/badge.svg)](https://docs.rs/bevy_clipboard/latest/bevy_clipboard/)
[![Discord](https://img.shields.io/discord/691052431525675048.svg?label=&logo=discord&logoColor=ffffff&color=7389D8&labelColor=6A7EC2)](https://discord.gg/bevy)

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@ -0,0 +1,251 @@
//! This crate provides a platform-agnostic interface for accessing the clipboard
extern crate alloc;
use bevy_ecs::resource::Resource;
#[cfg(target_arch = "wasm32")]
use {alloc::sync::Arc, bevy_platform::sync::Mutex, wasm_bindgen_futures::JsFuture};
/// The clipboard prelude
pub mod prelude {
pub use crate::{Clipboard, ClipboardRead};
}
/// Clipboard plugin
#[derive(Default)]
pub struct ClipboardPlugin;
impl bevy_app::Plugin for ClipboardPlugin {
fn build(&self, app: &mut bevy_app::App) {
app.init_resource::<Clipboard>();
}
}
/// Represents an attempt to read from the clipboard.
///
/// On desktop targets the result is available immediately.
/// On wasm32 the result is fetched asynchronously.
#[derive(Debug)]
pub enum ClipboardRead {
/// The clipboard contents are ready to be accessed.
Ready(Result<String, ClipboardError>),
#[cfg(target_arch = "wasm32")]
/// The clipboard contents are being fetched asynchronously.
Pending(Arc<Mutex<Option<Result<String, ClipboardError>>>>),
}
impl ClipboardRead {
/// The result of an attempt to read from the clipboard, once ready.
/// If the result is still pending, returns `None`.
pub fn poll_result(&mut self) -> Option<Result<String, ClipboardError>> {
match self {
#[cfg(target_arch = "wasm32")]
Self::Pending(shared) => {
if let Some(contents) = shared.lock().ok().and_then(|mut inner| inner.take()) {
*self = Self::Ready(Err(ClipboardError::ContentTaken));
Some(contents)
} else {
None
}
}
Self::Ready(inner) => {
Some(core::mem::replace(inner, Err(ClipboardError::ContentTaken)))
}
}
}
}
/// Resource providing access to the clipboard
#[cfg(unix)]
#[derive(Resource)]
pub struct Clipboard(Option<arboard::Clipboard>);
#[cfg(unix)]
impl Default for Clipboard {
fn default() -> Self {
{
Self(arboard::Clipboard::new().ok())
}
}
}
/// Resource providing access to the clipboard
#[cfg(not(unix))]
#[derive(Resource, Default)]
pub struct Clipboard;
impl Clipboard {
/// Fetches UTF-8 text from the clipboard and returns it via a `ClipboardRead`.
///
/// On Windows and Unix `ClipboardRead`s are completed instantly, on wasm32 the result is fetched asynchronously.
pub fn fetch_text(&mut self) -> ClipboardRead {
#[cfg(unix)]
{
ClipboardRead::Ready(if let Some(clipboard) = self.0.as_mut() {
clipboard.get_text().map_err(ClipboardError::from)
} else {
Err(ClipboardError::ClipboardNotSupported)
})
}
#[cfg(windows)]
{
ClipboardRead::Ready(
arboard::Clipboard::new()
.and_then(|mut clipboard| clipboard.get_text())
.map_err(ClipboardError::from),
)
}
#[cfg(target_arch = "wasm32")]
{
if let Some(clipboard) = web_sys::window().map(|w| w.navigator().clipboard()) {
let shared = Arc::new(Mutex::new(None));
let shared_clone = shared.clone();
wasm_bindgen_futures::spawn_local(async move {
let text = JsFuture::from(clipboard.read_text()).await;
let text = match text {
Ok(text) => text.as_string().ok_or(ClipboardError::ConversionFailure),
Err(_) => Err(ClipboardError::ContentNotAvailable),
};
shared.lock().unwrap().replace(text);
});
ClipboardRead::Pending(shared_clone)
} else {
ClipboardRead::Ready(Err(ClipboardError::ClipboardNotSupported))
}
}
#[cfg(not(any(unix, windows, target_arch = "wasm32")))]
{
ClipboardRead::Ready(Err(ClipboardError::ClipboardNotSupported))
}
}
/// Asynchronously retrieves UTF-8 text from the system clipboard.
pub async fn fetch_text_async(&mut self) -> Result<String, ClipboardError> {
#[cfg(unix)]
{
if let Some(clipboard) = self.0.as_mut() {
clipboard.get_text().map_err(ClipboardError::from)
} else {
Err(ClipboardError::ClipboardNotSupported)
}
}
#[cfg(windows)]
{
arboard::Clipboard::new()
.and_then(|mut clipboard| clipboard.get_text())
.map_err(ClipboardError::from)
}
#[cfg(target_arch = "wasm32")]
{
use wasm_bindgen::JsCast;
use wasm_bindgen_futures::JsFuture;
let clipboard = web_sys::window()
.and_then(|w| w.navigator().clipboard())
.ok_or(ClipboardError::ClipboardNotSupported)?;
let result = JsFuture::from(clipboard.read_text()).await;
match result {
Ok(val) => val.as_string().ok_or(ClipboardError::ConversionFailure),
Err(_) => Err(ClipboardError::ContentNotAvailable),
}
}
#[cfg(not(any(unix, windows, target_arch = "wasm32")))]
{
Err(ClipboardError::ClipboardNotSupported)
}
}
/// Places the text onto the clipboard. Any valid UTF-8 string is accepted.
///
/// # Errors
///
/// Returns error if `text` failed to be stored on the clipboard.
pub fn set_text<'a, T: Into<alloc::borrow::Cow<'a, str>>>(
&mut self,
text: T,
) -> Result<(), ClipboardError> {
#[cfg(unix)]
{
if let Some(clipboard) = self.0.as_mut() {
clipboard.set_text(text).map_err(ClipboardError::from)
} else {
Err(ClipboardError::ClipboardNotSupported)
}
}
#[cfg(windows)]
{
arboard::Clipboard::new()
.and_then(|mut clipboard| clipboard.set_text(text))
.map_err(ClipboardError::from)
}
#[cfg(target_arch = "wasm32")]
{
if let Some(clipboard) = web_sys::window().map(|w| w.navigator().clipboard()) {
let text = text.into().to_string();
wasm_bindgen_futures::spawn_local(async move {
let _ = JsFuture::from(clipboard.write_text(&text)).await;
});
Ok(())
} else {
Err(ClipboardError::ClipboardNotSupported)
}
}
#[cfg(not(any(unix, windows, target_arch = "wasm32")))]
{
Err(ClipboardError::ClipboardNotSupported)
}
}
}
/// An error that might happen during a clipboard operation.
#[non_exhaustive]
#[derive(Debug, Clone)]
pub enum ClipboardError {
/// Clipboard contents were unavailable or not in the expected format.
ContentNotAvailable,
/// No suitable clipboard backend was available
ClipboardNotSupported,
/// Clipboard access is temporarily locked by another process or thread.
ClipboardOccupied,
/// The data could not be converted to or from the required format.
ConversionFailure,
/// The clipboard content was already taken from the `ClipboardRead`.
ContentTaken,
/// An unknown error
Unknown {
/// String describing the error
description: String,
},
}
#[cfg(any(windows, unix))]
impl From<arboard::Error> for ClipboardError {
fn from(value: arboard::Error) -> Self {
match value {
arboard::Error::ContentNotAvailable => ClipboardError::ContentNotAvailable,
arboard::Error::ClipboardNotSupported => ClipboardError::ClipboardNotSupported,
arboard::Error::ClipboardOccupied => ClipboardError::ClipboardOccupied,
arboard::Error::ConversionFailure => ClipboardError::ConversionFailure,
arboard::Error::Unknown { description } => ClipboardError::Unknown { description },
_ => ClipboardError::Unknown {
description: "Unknown arboard error variant".to_owned(),
},
}
}
}

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@ -367,6 +367,9 @@ web = [
"bevy_tasks/web",
]
# Clipboard support
bevy_clipboard = ["dep:bevy_clipboard"]
hotpatching = ["bevy_app/hotpatching", "bevy_ecs/hotpatching"]
gltf_convert_coordinates_default = [
@ -456,6 +459,7 @@ bevy_window = { path = "../bevy_window", optional = true, version = "0.17.0-dev"
"bevy_reflect",
] }
bevy_winit = { path = "../bevy_winit", optional = true, version = "0.17.0-dev", default-features = false }
bevy_clipboard = { path = "../bevy_clipboard", optional = true, version = "0.17.0-dev" }
[lints]
workspace = true

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@ -68,6 +68,8 @@ plugin_group! {
bevy_dev_tools:::DevToolsPlugin,
#[cfg(feature = "bevy_ci_testing")]
bevy_dev_tools::ci_testing:::CiTestingPlugin,
#[cfg(feature = "bevy_clipboard")]
bevy_clipboard:::ClipboardPlugin,
#[cfg(feature = "hotpatching")]
bevy_app::hotpatch:::HotPatchPlugin,
#[plugin_group]

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@ -27,6 +27,8 @@ pub use bevy_asset as asset;
pub use bevy_audio as audio;
#[cfg(feature = "bevy_camera")]
pub use bevy_camera as camera;
#[cfg(feature = "bevy_clipboard")]
pub use bevy_clipboard as clipboard;
#[cfg(feature = "bevy_color")]
pub use bevy_color as color;
#[cfg(feature = "bevy_core_pipeline")]

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@ -86,3 +86,7 @@ pub use crate::gltf::prelude::*;
#[doc(hidden)]
#[cfg(feature = "bevy_picking")]
pub use crate::picking::prelude::*;
#[doc(hidden)]
#[cfg(feature = "bevy_clipboard")]
pub use crate::clipboard::prelude::*;

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@ -19,6 +19,7 @@ The default feature set enables most of the expected features of a game engine,
|bevy_anti_aliasing|Provides various anti aliasing solutions|
|bevy_asset|Provides asset functionality|
|bevy_audio|Provides audio functionality|
|bevy_clipboard|Clipboard access|
|bevy_color|Provides shared color types and operations|
|bevy_core_pipeline|Provides cameras and other basic render pipeline features|
|bevy_core_widgets|Headless widget collection for Bevy UI.|

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@ -550,6 +550,7 @@ Example | Description
[Box Shadow](../examples/ui/box_shadow.rs) | Demonstrates how to create a node with a shadow
[Button](../examples/ui/button.rs) | Illustrates creating and updating a button
[CSS Grid](../examples/ui/grid.rs) | An example for CSS Grid layout
[Clipboard](../examples/ui/clipboard.rs) | Demonstrates accessing the clipboard to retrieve and display text
[Core Widgets](../examples/ui/core_widgets.rs) | Demonstrates use of core (headless) widgets in Bevy UI
[Core Widgets (w/Observers)](../examples/ui/core_widgets_observers.rs) | Demonstrates use of core (headless) widgets in Bevy UI, with Observers
[Directional Navigation](../examples/ui/directional_navigation.rs) | Demonstration of Directional Navigation between UI elements

160
examples/ui/clipboard.rs Normal file
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@ -0,0 +1,160 @@
//! This example demonstrates accessing the clipboard to retrieve and display text.
use bevy::{
clipboard::{Clipboard, ClipboardRead},
color::palettes::css::{GREY, NAVY, RED},
diagnostic::FrameTimeDiagnosticsPlugin,
prelude::*,
};
fn main() {
App::new()
.add_plugins((DefaultPlugins, FrameTimeDiagnosticsPlugin::default()))
.add_systems(Startup, setup)
.add_systems(Update, paste_text_system)
.run();
}
const NORMAL_BUTTON: Color = Color::srgb(0.15, 0.15, 0.15);
const HOVERED_BUTTON: Color = Color::srgb(0.25, 0.25, 0.25);
/// Button discriminator
#[derive(Component)]
pub enum ButtonAction {
/// The button pastes some text from the clipboard
PasteText,
/// The button sends some text to the clipboard
SetText,
}
/// Marker component for text box paste target
#[derive(Component)]
pub struct PasteTarget;
fn setup(mut commands: Commands) {
// UI camera
commands.spawn(Camera2d);
commands.spawn((
Node {
width: Val::Percent(100.0),
height: Val::Percent(100.0),
justify_content: JustifyContent::Center,
align_items: AlignItems::Center,
..default()
},
children![(
Node {
flex_direction: FlexDirection::Column,
padding: UiRect::all(Val::Px(30.)),
row_gap: Val::Px(20.),
justify_content: JustifyContent::SpaceBetween,
align_items: AlignItems::Stretch,
..default()
},
BackgroundColor(NAVY.into()),
children![
(
Node {
align_self: AlignSelf::Center,
..Default::default()
},
Text::new("Bevy clipboard example"),
),
(
Node {
width: Val::Px(500.),
height: Val::Px(250.),
padding: UiRect::all(Val::Px(3.)),
border: UiRect::all(Val::Px(2.)),
..Default::default()
},
BorderColor::all(Color::WHITE),
BackgroundColor(Color::BLACK),
children![(
Text::new("Nothing pasted yet."),
TextColor(GREY.into()),
PasteTarget
)],
),
(
Node {
border: UiRect::all(Val::Px(2.)),
padding: UiRect::all(Val::Px(10.)),
align_self: AlignSelf::Center,
..Default::default()
},
Button,
ButtonAction::PasteText,
BorderColor::all(Color::WHITE),
BackgroundColor(Color::BLACK),
children![Text::new("Click to paste text")],
),
(
Node {
border: UiRect::all(Val::Px(2.)),
padding: UiRect::all(Val::Px(10.)),
align_self: AlignSelf::Center,
..Default::default()
},
Button,
ButtonAction::SetText,
BorderColor::all(Color::WHITE),
BackgroundColor(Color::BLACK),
children![Text::new("Click to copy 'Hello bevy!'\nto the clipboard")],
),
]
),],
));
}
fn paste_text_system(
mut paste: Local<Option<ClipboardRead>>,
mut clipboard: ResMut<Clipboard>,
mut interaction_query: Query<
(
&Interaction,
&mut BackgroundColor,
&mut BorderColor,
&ButtonAction,
),
(Changed<Interaction>, With<Button>),
>,
mut text_query: Query<(&mut Text, &mut TextColor), With<PasteTarget>>,
) {
if let Some(contents) = paste.as_mut() {
if let Some(contents) = contents.poll_result() {
let (message, color) = match contents {
Ok(text) => (text, Color::WHITE),
Err(error) => (format!("{error:?}"), RED.into()),
};
for (mut text, mut text_color) in text_query.iter_mut() {
text.0 = message.clone();
text_color.0 = color;
}
*paste = None;
}
}
for (interaction, mut color, mut border_color, button_action) in &mut interaction_query {
match *interaction {
Interaction::Pressed => {
match button_action {
ButtonAction::PasteText => {
*paste = Some(clipboard.fetch_text());
}
ButtonAction::SetText => {
clipboard.set_text("Hello bevy!").ok();
}
};
}
Interaction::Hovered => {
*color = HOVERED_BUTTON.into();
border_color.set_all(Color::WHITE);
}
Interaction::None => {
*color = NORMAL_BUTTON.into();
border_color.set_all(GREY);
}
}
}
}