[FEATURE] Proper drag-n-drop from file manager to windows explorer
还没有人认领这个 Issue。
评估
- 难度
- 5/5
- 预计耗时
- 一周以上
- 新手友好度
- 25/100
- Issue 类型
- 功能
- 描述清晰度
- 基本清楚
- 活跃度
- 活跃
- 技术栈
- electron, typescript
- 领域
- desktop
调研方向
Start by reading the Electron file manager’s drag-and-drop entry point and how it currently calls startDrag(); the issue does not name a file or test. Compare the proposed native addon and shell extension approaches, then determine which one fits the project before estimating implementation. Done means dragging an SFTP file into Windows Explorer transfers it directly to the chosen folder with Explorer’s native progress UI.
由索引模型根据 Issue 内容生成。
描述
Title
Proper drag-n-drop from file manager to windows explorer
Platform
Desktop App - Windows
Is it related to an issue?
Dragging the file out from the file manager to windows explorer popping out the windows save as dialog. While this is acceptable, this is unconventional.
The Solution
The options is kinda limited, since the client is electron(?) app, but there is still:
Option 1: Native C++ Addon (Virtual Files / OLE Streams)
Instead of using Electron's startDrag(), you build a native Node.js C++ addon (node-addon-api) implementing Windows COM drag-and-drop interfaces (IDataObject).
- How it works:
- You provide Windows Explorer with virtual file metadata via
CFSTR_FILEDESCRIPTORand data streams viaCFSTR_FILECONTENTS(IStream). - You implement
IDataObjectAsyncCapabilityso large transfers won't freeze the Explorer UI. - When the user drops the item, Explorer creates the file and pulls chunks through
IStream::Read. Your addon fetches those chunks on-the-fly via SFTP and streams them directly to disk.
- You provide Windows Explorer with virtual file metadata via
- Pros: Clean architecture, no background hooks, Explorer shows its native copy/progress dialog.
- Cons: Requires writing custom C++ Win32/COM code.
Option 2: Shell Extension DLL (The FileZilla / WinSCP Trick)
This is the workaround traditionally used by desktop FTP/SFTP clients.
- How it works:
- You build a C++ Windows Shell Extension DLL and register it in the system registry (
regsvr32) during app installation. The DLL runs directly inside theexplorer.exeprocess. - In Electron, you drag a lightweight "dummy/placeholder" file.
- When dropped, your DLL inside Explorer intercepts the drop event, extracts the actual destination folder path (e.g.,
D:\Downloads), and sends it back to your Electron app via IPC (like a Named Pipe). - Your app then downloads the real file via SFTP straight into that target path, replacing the dummy file.
- You build a C++ Windows Shell Extension DLL and register it in the system registry (
- Pros: Proven, battle-tested approach by legacy FTP tools.
- Cons: Requires admin rights for registration, extra installer setup, and injecting a DLL into the user's Windows Shell.
Additional Context
No response
- 主要语言
- TypeScript
- 星标
- 1
- 派生
- 3
- 平均合并
- 1 天 4 小时
- 30 天内合并 PR
- 6
环境准备
- 没有 Dockerfile 或 Docker Compose 文件
- 没有 Pull Request 模板
- 阅读贡献指南
从这里开始
- 先读完整个 Issue，再读项目的贡献指南。
- 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
- Fork 仓库，在一个分支上完成修改。
- 提交 Pull Request，并在描述里引用这个 Issue 编号。
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