[Libreoffice-bugs] [Bug 108812] New: EDITING - Text display "doubles" on top of itself when deleting letters/numbers in a cell

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=108812

            Bug ID: 108812
           Summary: EDITING - Text display "doubles" on top of itself when
                    deleting letters/numbers in a cell
           Product: LibreOffice
           Version: 5.3.4.2 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: nta at mit.edu

Description:
This is occurring systematically. If I am working in a calc document that
already has values in cells, and if I attempt to delete some of the text in a
given cell that already has text/numbers in that cell, the display appears to
"double" up on itself, generating a display error which makes editing the
document difficult. I have included a screen shot to provide a visual example
of what I mean. This appears to be a display bug of some kind. As soon as I
finish editing the cell and press enter or click a new cell, the display
corrects itself. Moreover, this behaviour only seems to occur during the
"editing process" of data entry in a cell. This does not occur on the input
line -- only in the cell. It happens at different zooms, with different fonts,
etc. I have tried enabling and disabling OpenGL, refreshing my user profile,
turning anti-aliasing on and off, trying both LibreOffice still and fresh
builds -- but no luck.

Steps to Reproduce:
1. Open a new or saved calc document and enter text in a cell
2. Delete the text you just entered in step 1

Actual Results:  
Text appears to double up on itself with a display bug in the cell that is
being edited if edits were an attempt to delete previous text.

Expected Results:
The display bug should not occur.


Reproducible: Always

User Profile Reset: Yes

Additional Info:


User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:54.0) Gecko/20100101
Firefox/54.0

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