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[Launchpad Bug Tracker <2065708@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package budgie-control-center - 1.4.0-3

---------------
budgie-control-center (1.4.0-3) unstable; urgency=medium

  * Revert addition of patch since apparmor now includes a suitable bwrap
    profile. (LP: #2065708)
    Don-t-use-gnome-desktop-thumbnail-preview-creator.patch

 -- David Mohammed <fossfreedom@xxxxxxxxxx>  Thu, 30 May 2024 22:00:05
+0100

** Changed in: budgie-control-center (Ubuntu Oracular)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/2065708

Title:
  Add Picture button in Background does not allow you to select
  wallpaper

Status in budgie-control-center package in Ubuntu:
  Fix Released
Status in budgie-control-center source package in Noble:
  In Progress
Status in budgie-control-center source package in Oracular:
  Fix Released

Bug description:
  [ Impact ]

   * On Ubuntu Budgie 24.04 / 24.10, When trying to select a custom
  wallpaper to add to the Backgrounds page of Budgie Control Center, the
  "Add Picture" button will open a dialog to select an image file.
  However, there will be no thumbnail of the image displayed in this
  dialog, the "Open" button will remain insensitive, and double-clicking
  the file name will have no effect. The only option is to cancel out of
  the dialog. This prevents the user from adding a custom wallpaper.
  This is due to AppArmor changes preventing certain apps doing deemed
  security related issues in userspace. In this case libgnome-desktop is
  calling bwrap which is the deemed culprit.

   * The upload addresses this issue by using GdkPixbuf to create the
  thumbnail image, instead of gnome-desktop thumbnail creator.

  [ Test Plan ]

   To reproduce:

   * On Ubuntu Budgie 24.04/24.10
   * Open Budgie Control Center
   * Navigate to the Background panel
   * Select the "Add Picture" option
   * Select an image file
   * The thumbnail is not updated to show the currently selected image
   * The "Open" button remains inactive, and the only option is to cancel the dialog

   * After this, the proposed fix can be applied.
   * Open Budgie Control Center and repeat the above
   * When a valid image is selected, the thumbnail is now properly shown and the "Open" button is enabled.
   * Open the selected image. The image is now properly added to Budgie Control Center and can selected as a background

  [ Where problems could occur ]

    * It is possible that gnome-desktop thumbnail creator provided additional functionality or handled a wider range of images than GdkPixbuf.
    * Mitigating factors are that this is very specific to the Budgie desktop, and it only directly impacts users who set wallpapers. It improves functionality where it is currently not working.

  [ Other Info ]

  --- Original Report ---

  Ubuntu Budgie 24.04
  budgie-control-center 1.4.0-2build3

  When trying to select a custom wallpaper to add to the Backgrounds
  page of Budgie Control Center, the "Add Picture" button will open a
  dialog to select an image file. However, there will be no thumbnail of
  the image displayed in this dialog, the "Open" button will remain
  insensitive, and double-clicking the file name will have no effect.
  The only option is to cancel out of the dialog.

  Steps to reproduce:

  On Ubuntu Budgie Noble / Oracular:
   - open Budgie Control Center
   - Navigate to the Backgrounds page and click the "Add Picture" button in the top right title bar.
   - When the file chooser dialog opens, select an image file.

  What I would expect to happen:

  I would expect the thumbnail to update in the lower right, and the
  "Open" button to become enabled.

  What happened instead:

  The "Open" button remains disabled, and the thumbnail is shown as a
  "?".

  Additional information:

  This is due to AppArmor changes preventing certain apps doing deemed security related issues in userspace.
  Running budgie-control-center from the terminal illustrates the issue with thumbnails with the following output:
  (budgie-control-center:38170): cc-background-chooser-WARNING **: 12:37:31.144: could not general thumbnail file:///home/sam/Pictures/flavors/Flavor-Ubuntu-Budgie.png (image/png) Child process exited with code 1

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: budgie-control-center 1.4.0-2build3
  ProcVersionSignature: Ubuntu 6.8.0-31.31-generic 6.8.1
  Uname: Linux 6.8.0-31-generic x86_64
  ApportVersion: 2.28.1-0ubuntu3
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: Budgie:GNOME
  Date: Tue May 14 12:38:19 2024
  InstallationDate: Installed on 2024-05-08 (6 days ago)
  InstallationMedia: Ubuntu-Budgie 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
  SourcePackage: budgie-control-center
  UpgradeStatus: No upgrade log present (probably fresh install)

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