[Libreoffice-bugs] [Bug 116658] New: Data validation issue with Duration text control in Animation Panel

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=116658

            Bug ID: 116658
           Summary: Data validation issue with Duration text control in
                    Animation Panel
           Product: LibreOffice
           Version: 6.0.2.1 release
          Hardware: x86-64 (AMD64)
                OS: Windows (All)
            Status: UNCONFIRMED
          Severity: minor
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: monograff76 at gmail.com

Created attachment 140912
  --> https://bugs.documentfoundation.org/attachment.cgi?id=140912&action=edit
Result when entering "0.25" and ".25" in the animation duration text box (upper
and lower images, respectively)

I've been using Impress heavily for the first time and I came across something
that is a bug, if only because it creates a counter-intuitive UI behavior.

For example, suppose I create an object on a slide, open the animation panel at
right, add an animation, and switch it to  Entrance:Fly In.

I then decide I want to change the duration from 0.50 sec to 0.25 sec.  If I
highlight the entire text in the text box, and directly enter "0.25", the
result is 0.26.  (Upper image, below)

If I omit the zero and simply type ".25", "2.52" gets entered instead, forcing
the decimal point to the right and retaining part of the previous number.
(Lower image, below)

The third issue is that the text field can't be cleared, which, I presume is
either because of data format validation or validating the typed value against
the list of values in the dropdown.  

Regardless, it's clear to me that the text box is validating the data as the
user is keying in the values which results in unexpected behaviors when the
user is focused on entering a number.  All data validation should be postponed
until after the control loses focus.  

![Result when entering "0.25" in the animation duration text
box](/upfiles/15221560109210051.png)

![Result when entering ".25" in the animation duration text
box](/upfiles/15221560435340945.jpg)

I'll happily file it as a bug, but thought I'd post here first in case this is
something that has been discussed and decided is expected or desired behavior.

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