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15
Cargo.toml
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@ -131,6 +131,7 @@ default = [
"animation", "animation",
"bevy_asset", "bevy_asset",
"bevy_audio", "bevy_audio",
"bevy_clipboard",
"bevy_color", "bevy_color",
"bevy_core_pipeline", "bevy_core_pipeline",
"bevy_core_widgets", "bevy_core_widgets",
@ -307,6 +308,9 @@ bevy_log = ["bevy_internal/bevy_log"]
# Enable input focus subsystem # Enable input focus subsystem
bevy_input_focus = ["bevy_internal/bevy_input_focus"] bevy_input_focus = ["bevy_internal/bevy_input_focus"]
# Clipboard access
bevy_clipboard = ["bevy_internal/bevy_clipboard"]
# Headless widget collection for Bevy UI. # Headless widget collection for Bevy UI.
bevy_core_widgets = ["bevy_internal/bevy_core_widgets"] bevy_core_widgets = ["bevy_internal/bevy_core_widgets"]
@ -3356,6 +3360,17 @@ description = "Illustrates creating and updating a button"
category = "UI (User Interface)" category = "UI (User Interface)"
wasm = true 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]] [[example]]
name = "display_and_visibility" name = "display_and_visibility"
path = "examples/ui/display_and_visibility.rs" path = "examples/ui/display_and_visibility.rs"

30
crates/bevy_clipboard/Cargo.toml Normal file
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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

176
crates/bevy_clipboard/LICENSE-APACHE Normal file
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@ -0,0 +1,176 @@
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http://www.apache.org/licenses/
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19
crates/bevy_clipboard/LICENSE-MIT Normal file
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@ -0,0 +1,19 @@
MIT License
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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.

7
crates/bevy_clipboard/README.md Normal file
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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)

251
crates/bevy_clipboard/src/lib.rs Normal file
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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(),
},
}
}
}

4
crates/bevy_internal/Cargo.toml
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@ -367,6 +367,9 @@ web = [
"bevy_tasks/web", "bevy_tasks/web",
] ]
# Clipboard support
bevy_clipboard = ["dep:bevy_clipboard"]
hotpatching = ["bevy_app/hotpatching", "bevy_ecs/hotpatching"] hotpatching = ["bevy_app/hotpatching", "bevy_ecs/hotpatching"]
gltf_convert_coordinates_default = [ gltf_convert_coordinates_default = [
@ -456,6 +459,7 @@ bevy_window = { path = "../bevy_window", optional = true, version = "0.17.0-dev"
"bevy_reflect", "bevy_reflect",
] } ] }
bevy_winit = { path = "../bevy_winit", optional = true, version = "0.17.0-dev", default-features = false } 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] [lints]
workspace = true workspace = true

2
crates/bevy_internal/src/default_plugins.rs
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@ -68,6 +68,8 @@ plugin_group! {
bevy_dev_tools:::DevToolsPlugin, bevy_dev_tools:::DevToolsPlugin,
#[cfg(feature = "bevy_ci_testing")] #[cfg(feature = "bevy_ci_testing")]
bevy_dev_tools::ci_testing:::CiTestingPlugin, bevy_dev_tools::ci_testing:::CiTestingPlugin,
#[cfg(feature = "bevy_clipboard")]
bevy_clipboard:::ClipboardPlugin,
#[cfg(feature = "hotpatching")] #[cfg(feature = "hotpatching")]
bevy_app::hotpatch:::HotPatchPlugin, bevy_app::hotpatch:::HotPatchPlugin,
#[plugin_group] #[plugin_group]

2
crates/bevy_internal/src/lib.rs
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@ -27,6 +27,8 @@ pub use bevy_asset as asset;
pub use bevy_audio as audio; pub use bevy_audio as audio;
#[cfg(feature = "bevy_camera")] #[cfg(feature = "bevy_camera")]
pub use bevy_camera as camera; pub use bevy_camera as camera;
#[cfg(feature = "bevy_clipboard")]
pub use bevy_clipboard as clipboard;
#[cfg(feature = "bevy_color")] #[cfg(feature = "bevy_color")]
pub use bevy_color as color; pub use bevy_color as color;
#[cfg(feature = "bevy_core_pipeline")] #[cfg(feature = "bevy_core_pipeline")]

4
crates/bevy_internal/src/prelude.rs
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@ -86,3 +86,7 @@ pub use crate::gltf::prelude::*;
#[doc(hidden)] #[doc(hidden)]
#[cfg(feature = "bevy_picking")] #[cfg(feature = "bevy_picking")]
pub use crate::picking::prelude::*; pub use crate::picking::prelude::*;
#[doc(hidden)]
#[cfg(feature = "bevy_clipboard")]
pub use crate::clipboard::prelude::*;

1
docs/cargo_features.md
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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_anti_aliasing|Provides various anti aliasing solutions|
|bevy_asset|Provides asset functionality| |bevy_asset|Provides asset functionality|
|bevy_audio|Provides audio functionality| |bevy_audio|Provides audio functionality|
|bevy_clipboard|Clipboard access|
|bevy_color|Provides shared color types and operations| |bevy_color|Provides shared color types and operations|
|bevy_core_pipeline|Provides cameras and other basic render pipeline features| |bevy_core_pipeline|Provides cameras and other basic render pipeline features|
|bevy_core_widgets|Headless widget collection for Bevy UI.| |bevy_core_widgets|Headless widget collection for Bevy UI.|

1
examples/README.md
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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 [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 [Button](../examples/ui/button.rs) | Illustrates creating and updating a button
[CSS Grid](../examples/ui/grid.rs) | An example for CSS Grid layout [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](../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 [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 [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);
}
}
}
}