[Feature Request] Quick Preview for Dolphin

With Dolphin File Manager I would like to be able to Quick Preview files from the File Manager without having to first open up the file in an external application.

Having being using Cinnamon Desktop for a long time before switching over to KDE Plasma 6, I noticed it’s lacking this feature. On Cinnamon Desktop you can select a file and press Space to quick preview files without opening in external apps. This is also something you can do on MacOS also as shown in the following video;

https://youtube.com/watch?v=xEZlQgm9wuo

I would like to see this as a feature implemented to KDE Plasma just being able to select a file and press Space key to quick view something. I couldn’t seem to find any extensions that work with Plasma 6 that can enable you to do this.

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https://phabricator.kde.org/D11875

Not since KDE4 13 years ago…

Check out Information Panel (default F11 shortcut).

Reported bug:
https://bugs.kde.org/show_bug.cgi?id=272539

This is being worked on.

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This would be a very fitting feature for plasma.
Bonus: It should also be usable from a file dialog (also like macOS).

Information Panel is not he same as Quick Preview of files, nor does it show the contents of the file. Quick Preview allows you to view full contents of the file like Text document or PDF document just as if you were viewing them in a native external app, but in a limited view port that can be opened by pressing Space key when selected. People often mistake the Information Panel for Quick Preview, but it’s not the same thing.

I see the last update for this was about a month ago, no ETA when it’s finally merged?

No, not yet, only benevolent work, takes time, 2025 probably.

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Not just that but plasma (on the desktop) too.
At least that’s the plan.

I used something like quickview in the past: https://discuss.kde.org/t/apple-quick-view-gnome-sushi-in-dolphin-from-tweaking-existing-functionality/27002