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fix: read Linux clipboard images natively and ingest them as paste

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GTK/wl-paste/xclip fallbacks plus a paste-event path so ModLens can take over image paste instead of only synthesizing drop.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
TommyFang
2026-08-16 12:39:08 +08:00
parent d6f5359873
commit 00209d55e6
7 changed files with 521 additions and 67 deletions
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34
crates/dsh-core/src/clipboard.rs
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@@ -170,6 +170,25 @@ pub fn file_from_bytes(name: String, mime: String, data: Vec<u8>) -> Option<Clip
})
}
pub fn detect_image_mime(data: &[u8]) -> Option<&'static str> {
if data.len() >= 8 && data.starts_with(&[0x89, b'P', b'N', b'G', 0x0D, 0x0A, 0x1A, 0x0A]) {
return Some("image/png");
}
if data.len() >= 3 && data[0] == 0xFF && data[1] == 0xD8 && data[2] == 0xFF {
return Some("image/jpeg");
}
if data.len() >= 12 && data.starts_with(b"RIFF") && &data[8..12] == b"WEBP" {
return Some("image/webp");
}
if data.starts_with(b"GIF87a") || data.starts_with(b"GIF89a") {
return Some("image/gif");
}
if data.len() >= 2 && data.starts_with(b"BM") {
return Some("image/bmp");
}
None
}
#[cfg(test)]
mod tests {
use super::*;
@@ -187,9 +206,22 @@ mod tests {
#[test]
fn ingest_js_defines_helper() {
assert!(INGEST_JS.contains("window.__dshDesktopPasteFiles"));
assert!(INGEST_JS.contains("window.__dshDesktopIngestFiles"));
assert!(INGEST_JS.contains("/modlens/paste"));
assert!(INGEST_JS.contains("ClipboardEvent"));
assert!(INGEST_JS.contains("DragEvent"));
assert!(INGEST_JS.contains("new File"));
assert!(INGEST_JS.contains("text/uri-list"));
assert!(INGEST_JS.contains("__dshDesktopLooksLikeImagePath"));
}
#[test]
fn sniffs_image_magic() {
assert_eq!(
detect_image_mime(&[0x89, b'P', b'N', b'G', 0x0D, 0x0A, 0x1A, 0x0A, 0, 1]),
Some("image/png")
);
assert_eq!(detect_image_mime(&[0xFF, 0xD8, 0xFF, 0xE0]), Some("image/jpeg"));
assert_eq!(detect_image_mime(b"not-an-image"), None);
}
#[test]