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wl-paste cannot paste screenshot from Phosh

Describe your issue

What's the expected behaviour?

wl-paste (from wl-clipboard) should be able to paste the screenshot that Phosh copies to the clipboard.

What's the current behaviour?

wl-paste hangs indefinitely after taking a screenshot in Phosh.

How to reproduce your issue?

Take a screenshot in phosh, by long-pressing the physical power button to open the power menu and then touching the "screenshot" button that appears. A notification states that a screenshot has been copied to the clipboard, and running wl-paste --list-formats indicates that an image is on the clipboard. However, running wl-paste > new-screenshot.png hangs indefinitely.

I also seem unable to paste the screenshot into Firefox. Copying images out of Firefox and pasting with wl-paste works.

What device are you using?

oneplus-enchilada

On what postmarketOS version did you encounter the issue?

  • edge (master branch)

  • v23.06

  • v22.12 (Supported until 2023-07-06)

  • I confirm that the issue still is present after running sudo apk upgrade -a

On what environment did you encounter the issue?

Environments

  • GNOME Shell on Mobile
  • Phosh
  • Plasma Mobile
  • Sxmo (Wayland/Sway) Please post the output of sxmo_version.sh
  • Other: Please fill out

How did you get postmarketOS image?

What's the build date of the image? (in yyyy-mm-dd format)

unsure

Additional information

Logs and more info may be found at this upstream bug report which I filed before learning that this seems to be due to the version of GTK3 that PmOS ships.

It appears that this is fixed with a newer GTK3 version (3.24.37, from March 2023). It appears that the PmOS GTK3 package is two years old, and ships this commit. Probably we should ship a more recent actual release from the librem5 repo, but not a random MR commit from 2 years ago.

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