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Merge branch 'fix/webkitgtk-clipboard-image-paste' into 'main'

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fix: paste images copied from a browser on WebKitGTK

Closes #245

See merge request ArkHost/HelixNotes!5
This commit is contained in:
Yuri Karamian
2026-09-03 19:07:34 +00:00
parent 32f270ce9e 2aa572dcaa
commit d7e4be7f3a
1 changed files with 14 additions and 11 deletions
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src/lib/components/Editor.svelte
+14 -11
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@@ -5629,17 +5629,20 @@
} }
return true; return true;
} }
// WebKitGTK fallback (bug #218519): older WebKitGTK versions return // WebKitGTK fallback (bug #218519): WebKitGTK never exposes a clipboard image
// empty DataTransferItemList for image pastes. Detect this and read // through DataTransfer, so the loop above cannot fire on Linux and this is the
// the image directly from the system clipboard via Rust/arboard. // only path that can work there. The guard used to also require an empty
if (items.length === 0) { // DataTransferItemList and no text/html, which no real image copy satisfies:
const hasText = event.clipboardData!.getData('text/plain'); // Chromium's "Copy image" writes an <img> HTML fragment alongside the bitmap
const hasHtml = event.clipboardData!.getData('text/html'); // (but no text/plain), so the image was dropped and its remote URL pasted
if (!hasText && !hasHtml) { // instead. Key off text/plain, and accept HTML that is just an <img>.
event.preventDefault(); const hasText = event.clipboardData!.getData('text/plain');
insertClipboardImage(); const html = event.clipboardData!.getData('text/html');
return true; const htmlIsBareImage = /^\s*(?:<meta[^>]*>\s*)?<img\b[^>]*>\s*$/i.test(html);
} if (!hasText && (!html || htmlIsBareImage)) {
event.preventDefault();
insertClipboardImage();
return true;
} }
return false; return false;
} }