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Fix/#847 MacOS drag and drop shapes - #848
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Pull request overview
This PR adds a macOS-specific drag-and-drop bridge for the VS Code extension webview to work around iframe drag event routing issues described in #847.
Changes:
- Adds bridge protocol messages for drag lifecycle and reconstructed gallery drops.
- Adds shell-side drag interception/preview handling and iframe-side drop reconstruction.
- Updates gallery drag behavior, platform detection, CSP, and VS Code bridge filtering for drag messages.
Reviewed changes
Copilot reviewed 13 out of 13 changed files in this pull request and generated 2 comments.
Show a summary per file
| File | Description |
|---|---|
packages/vscode-extension/src/webview/main.ts | Registers the drag bridge in the webview shell. |
packages/vscode-extension/src/webview/drag-bridge.ts | Adds shell-side drag/drop interception and preview forwarding. |
packages/vscode-extension/src/webview/bridge.ts | Prevents drag bridge messages from being forwarded to the extension host. |
packages/vscode-extension/src/editor/panel.ts | Allows data URL images for the shell drag preview CSP. |
packages/bridge-protocol/src/model.ts | Defines drag bridge message payload types. |
packages/bridge-protocol/src/constant.ts | Adds drag bridge message constants. |
apps/web/src/pods/canvas/canvas.pod.tsx | Hooks the canvas into the macOS webview drag bridge. |
apps/web/src/core/vscode/use-mac-webview-drag-bridge.hook.ts | Reconstructs gallery drops inside the iframe. |
apps/web/src/core/vscode/mac-webview-drag-bridge.utils.ts | Adds bridge utility functions and thumbnail data URL loading. |
apps/web/src/common/utils/vscode-bridge.utils.ts | Exports the resolved parent origin for bridge messaging. |
apps/web/src/common/helpers/platform.helpers.ts | Updates macOS detection to prefer userAgentData.platform. |
apps/web/src/common/components/gallery/components/item-component.tsx | Sends drag lifecycle messages and suppresses native preview on macOS VS Code. |
.changeset/tired-mammals-cough.md | Adds a patch changeset describing the fix. |
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| const screenPosition = { x: clientX, y: clientY }; | ||
| const relativeDivPosition = portScreenPositionToDivCoordinates( | ||
| dropDivElement, | ||
| screenPosition | ||
| ); |
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| const dataUrl = thumbnailDataUrlRef.current ?? item.thumbnailSrc; | ||
| notifyDragStartToWebviewShell(item.type as ShapeType, dataUrl); |
manudous
approved these changes
May 19, 2026
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Closes#847