[Libreoffice-bugs] [Bug 123550] New: Paragraph Option "Do not split Paragraph" is Greyed Out and Can Not be Selected

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=123550

            Bug ID: 123550
           Summary: Paragraph Option "Do not split Paragraph" is Greyed
                    Out and Can Not be Selected
           Product: LibreOffice
           Version: 6.3.0.0.alpha0+ Master
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Writer
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: adalbert.hanssen at gmx.de

Description:
This bug report pertains to Version: 6.1.4.2
Build-ID: 9d0f32d1f0b509096fd65e0d4bec26ddd1938fd3
CPU-Threads: 4; BS: Linux 4.4; UI-Render: Standard; VCL: gtk2; 
Gebietsschema: de-DE (de_DE.UTF-8); Calc: group threaded and probably to many
others.

I was surprised that a headline in a document was split from its associated
content in an existing document despite the check-mark 'Keep with next
paragraph' was set for it. (The headline was immediately followed by a table).
This definitely is an error in version: 6.1.4.2 which could be circumvented by
simultaneously setting the features 'Do not split paragraph' and 'Keep with
next paragraph'.

Initially 'Do not split paragraph' was greyed out.

I found out that it becomes accessible after both orphan control and widow
control are switched off (work around). 

In version 6.1.4.2 the check-marks for orphan and for widow control can
sometimes (but not always) be checked (i.e. with hook) or half checked (i.e.
blue, but no hook) or unchecked (i.e. white).

Prevent splitting all-together and widow/orphan control are somewhat
contradictory, therefore this feature seems to have been touched in the daily
build version 6.3.0.0.alpha0+
Build ID: aa31976c2e4399a86bc6f70f140972d9ccef6fc0
CPU threads: 4; OS: Linux 4.4; UI render: default; VCL: gtk3; 
TinderBox: Linux-rpm_deb-x86_64 at 86-TDF, Branch:master, Time:
2019-02-12_16:47:45
Locale: de-DE (de_DE.UTF-8); UI-Language: en-US
Calc: threaded 

In this daily build version, checking 'Do not split paragraph' in some
instances simultaneously removed the check-marks for orphan/widow control
(which makes sense). But another error has slipped in in that version: I can
not influence the orphan/widow control parameters any more in it, even if 'Do
not split paragraph' is not checked. The check marks become blue with a minus
sign and I can't access the number of lines for  widows and for orphans.

Later I found that in other cases, clicking on 'Do not split paragraph' does
not always operate on widow and orphan control, sometimes the behaviour looks
like in version 6.1.4.2.

Steps to Reproduce:
1. create at least two paragraphs which are to be kept together and with two
lines widow control and two lines orphan control.

2. try to change the first one to 'Do not split paragraph'.

3. remove the check marks for orphan and for widow control.

4. check 'Do not split paragraph' 

5. remove 'Do not split paragraph' 

Actual Results:
2. 'Do not split paragraph' is greyed out.
3. they are removed and 'Do not split paragraph' becomes accessible.
4. the check mark is set. Orphan and widow control become greyed out.
5. Orphan and widow control become accessible without check marks set for them.

Expected Results:
2. It should be accessible, simultaneously removing the check marks for orphan
and for widow control.
5. Accessibility is ok. I would have expected that widow and orphan control
were re-established as they were before.


Reproducible: Always


User Profile Reset: No


OpenGL enabled: Yes

Additional Info:
There might be a glitch in the daily build version: trying this on some other
paragraphs, the behaviour looked similar to the one found in version 6.1.4.2,
i.e. 'Do not split paragraph' inaccessible as long as either orphan control or
widow control is set and no simultaneous treatment of both of them happens
then.

But I am sure to have seen the half checked version just with blue buttons
without check-marks. I'll try to attach screenshots as comments later.

Carefully looking at screenshots taken with the simultaneous action on the
daily build  6.3.0.0.alpha0+, I found out that orphan control and widow control
with them had '0 lines' parameters. Possibly this has some influence on that
behaviour.

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