[Bug 204780] New: up key doesn't allow to jump from message textarea to subject if caret is at the end of the fist line (in composer window)

[Hikaru]

https://bugs.kde.org/show_bug.cgi?id=204780

           Summary: up key doesn't allow to jump from message textarea to
                    subject if caret is at the end of the fist line (in
                    composer window)
           Product: kmail
           Version: unspecified
          Platform: Unlisted Binaries
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: hikaru.luce at gmail.com


Version:            (using KDE 4.3.0)
OS:                Linux
Installed from:    Unspecified Linux

When you're writing a mail, you can use "up" and "down" keys to move up and
down in message input textarea and move between  the message, subject and
recipients fields.

"Down" works without problem.

"Up" works fine too except when you have the caret at the end of the first line
of the message input textarea. Pressing "up" doesn't change the focus to the
subject field.

If this is the composer window:

**********************************
To: aaa.aaa at aaa.aaa
To: ________
Subject:  Test

 Dear aaa,
etc.
Regards
**********************************

And "|" is the caret, if it is after the comma of the first line of the
message,

**********************************
To: aaa.aaa at aaa.aaa
To: ________
Subject:  Test

 Dear aaa,|
etc.
Regards
**********************************

you can't use "up" key to jump in subject field.
If the caret is anywhere else (on the first line), it works.

If the caret is at the end of the subject input textarea,

**********************************
To: aaa.aaa at aaa.aaa
To: ________
Subject:  Test|

 Dear aaa,
etc.
Regards
**********************************


the "up" key works and move in the "To" input field.

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