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Add Context::copy_image (#5533)

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* Closes https://github.com/emilk/egui/issues/5424

This adds support for copying images to the system clipboard on native
and on web using `Context::copy_image`.
This commit is contained in:
Emil Ernerfeldt
2024-12-29 18:03:32 +01:00
committed by GitHub
parent e2c7e9e733
commit bf6ed3adfc
15 changed files with 285 additions and 41 deletions
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11
crates/egui/src/context.rs
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@@ -1439,13 +1439,22 @@ impl Context {
/// Copy the given text to the system clipboard.
///
/// Note that in wasm applications, the clipboard is only accessible in secure contexts (e.g.,
/// Note that in web applications, the clipboard is only accessible in secure contexts (e.g.,
/// HTTPS or localhost). If this method is used outside of a secure context, it will log an
/// error and do nothing. See <https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts>.
pub fn copy_text(&self, text: String) {
self.send_cmd(crate::OutputCommand::CopyText(text));
}
/// Copy the given image to the system clipboard.
///
/// Note that in web applications, the clipboard is only accessible in secure contexts (e.g.,
/// HTTPS or localhost). If this method is used outside of a secure context, it will log an
/// error and do nothing. See <https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts>.
pub fn copy_image(&self, image: crate::ColorImage) {
self.send_cmd(crate::OutputCommand::CopyImage(image));
}
/// Format the given shortcut in a human-readable way (e.g. `Ctrl+Shift+X`).
///
/// Can be used to get the text for [`crate::Button::shortcut_text`].

5
crates/egui/src/data/output.rs
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@@ -85,11 +85,14 @@ pub struct IMEOutput {
#[derive(Clone, Debug, PartialEq, Eq)]
#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
pub enum OutputCommand {
/// Put this text in the system clipboard.
/// Put this text to the system clipboard.
///
/// This is often a response to [`crate::Event::Copy`] or [`crate::Event::Cut`].
CopyText(String),
/// Put this image to the system clipboard.
CopyImage(crate::ColorImage),
/// Open this url in a browser.
OpenUrl(OpenUrl),
}