Previewing files in File Explorere's Home page requires pressing space twice
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- C#
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Description
Describe the bug
Space to preview doesn't work on the Home page of File Explorer.
To Reproduce
Steps to reproduce the behavior:
- Start File Explorer, it should default to enter the Home page. If not, navigate there, the address bar shows "Home"
- Select an item, either folder or file
- Press space key once
- Observe the item is un-selected, and the preview window does not open
- Press space key again
- The item is re-selected, and the preview window opens
Expected behavior
The preview window should open on the first space key press. And ideally it will not get the item un-selected.
Desktop (please complete the following information):
- OS Version: Windows 11 25H2 26200.7019
- QuickLook Version: 4.2.2 from Microsoft Store
Screenshots and Exception Log
https://github.com/user-attachments/assets/94ce5551-860e-4c71-8c43-7a3eb2936c74
I suspect that both File Explorer and QuickLook gets the space key activation, but File Explorer reacts faster and marked the file as un-selected, so QuickLook thinks there's nothing to preview?
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the issue on Windows 11 25H2 with QuickLook 4.2.2, using File Explorer's Home page and the single-space sequence described above. Then trace the space-key handling and File Explorer integration; done means the preview opens on the first press without the item becoming un-selected.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- csharp
- Domain
- desktop
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100