Seems to be special stuff with controls - sigh.
When breaking in svx\source\sdr\contact\objectcontactofpageview.cxx:290 in line
pProcessor2D->process(xPrimitiveSequence);
it can be seen that the ViewInformation2D from *this and at the processor is
the same, while later in LazyControlCreationPrimitive2D::get2DDecomposition it
is *different*.
This is because the processed SeqOfPrim modifies it - in
VclProcessor2D::RenderTransformPrimitive2D. This means the ControlPrimitive
itself contains the offset (in my local example '30' which leads to a pixel
offset of 1.0889). Forcing this to zero silences the repaint.
Thus the question is: Who and why does someone create a
TransformPrimitive2D? There are probably good reasons, so maybe we get a
principal problem here...?
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to libreoffice in Ubuntu.
https://bugs.launchpad.net/bugs/1846940
Title:
[upstream] Loop in libreoffice-calc when scrolling to top of
spreadsheet
Status in LibreOffice:
Confirmed
Status in libreoffice package in Ubuntu:
Confirmed
Bug description:
Have a spreadsheet used in many past release of calc that is now
failing. When opening this sheet and if not currently at the top of
the sheet using the mouse wheel to move to the top (top line to the
top of the window) soffice.bin goes to 100% cpu and stays there.
Can't use the mouse wheel to move off of the top line. Can move off
the top line by using the mouse and scroll bar. As soon as you are
off the top line the loop in soffice.bin stops. This is the only
sheet I can find that fails but it does fail on this laptop and also
my desktop which is also running Ubuntu 19.10/libreoffice-
calc-6.3.2.2. Adding failing spreadsheet file to this bug report.
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: libreoffice-calc 1:6.3.2-0ubuntu2
ProcVersionSignature: Ubuntu 5.3.0-13.14-generic 5.3.0
Uname: Linux 5.3.0-13-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset
nvidia
ApportVersion: 2.20.11-0ubuntu7
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sun Oct 6 06:35:42 2019
InstallationDate: Installed on 2019-10-03 (2 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Beta amd64 (20191001.2)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: libreoffice
UpgradeStatus: No upgrade log present (probably fresh install)
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