[Users] [Bug 4077] New: Lowermost account in folder list displays incorrectly when scrolling down

[noreply at thewildbeast.co.uk]

https://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=4077

            Bug ID: 4077
           Summary: Lowermost account in folder list displays incorrectly
                    when scrolling down
    Classification: Unclassified
           Product: Claws Mail
           Version: GIT
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: minor
          Priority: P3
         Component: UI/Folder List
          Assignee: users at lists.claws-mail.org
          Reporter: removed-gdpr at example.com

Created attachment 1905
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https://www.thewildbeast.co.uk/claws-mail/bugzilla/attachment.cgi?id=1905&action=edit
screenshot

Sometimes when I scroll down the list of (partially or fully expanded) accounts
and folders I see that the lowermost account (which is collapsed) doesn't show
up but instead in it's place a "Trash" folder shows (which is actually the
Trash folder of the account above it). I cannot find a pattern and can't say
exactly when it happens but it does happens quite often.

Currently I am using version 3.17.0git12 with Breeze theme but it has been an
issue for quite a while (more than a month for sure).

STR:

1. Have a few accounts
2. Set layout to "Wide message list"
3. Have the Mailbox (MH) on top of the list and expand some of it
4. Have the lowermost accounts folded
5. Click to select some folder in MH
6. Scroll down the folder list down to the very end.
7. Scroll up and down and click on MH folders until the issue appears

EXPECTED:

The last account (named Xyzzzz on the screenshot) should show as last row.

ACTUAL:

The last row shows the Trash folder of the account above the last one (Abcde on
the screenshot). When this happens clicking on that "Trash" restores the
correct visibility of the lowermost (Xyzzzz) account. However if I click on
another window (outside Claws) it turns into "Trash" again. Clicking back
inside Claws doesn't restore the correct view - I need to click explicitly on
the "Trash" again so that Xyzzzz shows up properly. Then clicking outside Claws
again messes it up and so on. Scrolling a few times up and down and clicking on
other folders fixes it, then after some time it appears again (no idea what
triggers it though).

NOTE: the slightly yellowish background on the screenshot is due to my custom
gtkrc settings. Nothing to do with the bug as the issue existed long before
using that.

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