https://bugs.documentfoundation.org/show_bug.cgi?id=95241
Bug ID: 95241
Summary: All drop-down menus stop working
Product: LibreOffice
Version: 5.0.2.2 release
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Writer
Assignee: [email protected]
Reporter: [email protected]
Created attachment 119863
--> https://bugs.documentfoundation.org/attachment.cgi?id=119863&action=edit
Four screenshots of LO behaviour when the problem strikes
Since installing 5.0.2.2, the menus randomly stop working altogether.
The current occasion happened when I selected several paragraphs of text to
change the font and font size. I was able to change the font, but although the
text stayed selected, clicking on the font size drop-down had no effect. Nor
did typing the point size directly into the text field - it was ignored.
Keyboard shortcuts still work.
All open LO documents suffer the same problem: the drop-downs stop working in
all of them. Each window looks basically normal, except with some refresh
problems. E.g. in one, when I click away and back to it, the entire canvas
area for the window is a pale gray, with a flashing cursor and nothing else, at
the last cursor insertion point. If I click elsewhere to move the insertion
point, the document and all the UI elements are instantly re-drawn. At other
times, if I click away (bringing other windows on top of the LO window), when I
click back on the LO window titlebar, the canvas area does not refresh (apart
from the window title bar and frame drawn by X11), again until I click into the
window. But this isn't always true: while entering this bug report, I did
something different (see below), and now when I click back into the document
window nothing at all happens (not even the balloon text when hovering over UI
controls). But coming back to this bug report and then clicking back in *did*
make the window redraw correctly. Also, the balloon text when hovering over UI
controls is working again.
What I had done was check to see if the UI controls that weren't drop-down
menus still worked: I clicked on the Bullet-text button, and it did indeed
work. But when I used Ctrl-Z to undo that change, it did not visibly change. I
did several more Undo operations, and gradually realised it was undoing, but
only showing me the undo selection area without actually redrawing the text
displayed. So I used Redo to re-do all the changes, then one last Undo to try
to Undo the Bullet-text change: after that, the failure to redraw occurred.
I see however that when I hover to make the balloon text appear, it does not
erase, so as you hove over more controls, you get a smear of various texts
appearing.
It seems that clicking around in the window "enough", eventually makes the
window redraw. I'll attach some screenshots.
Note that while the keyboard shortcuts work, the panels that are brought up are
not rendered - e.g. the Save dialogue is empty, and you have to guess/remember
which option is highlighted, and what will happen when you hit Enter.
I have not been able to reliably reproduce this, but it has happened about six
times in the day since I installed 5.0.2.2. I note that something like this
has been described for many years (e.g. 59984, 63936), but been marked Resolved
as it could not be reproduced.
I can confirm that quitting from LO and restarting it "solves" the problem.
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