[Libreoffice-bugs] [Bug 132999] Crash on macOS Catalina while scrolling and using magnification

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=132999

Alex Thurgood <iplaw67 at tuta.io> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEEDINFO
     Ever confirmed|0                           |1

--- Comment #4 from Alex Thurgood <iplaw67 at tuta.io> ---
(In reply to Kristian from comment #2)
> @Alex Yes, of course. 
> I'm always using magnification in full screen mode. I've configured to zoom
> in and out with a keyboard-shortcut in addion with two fingers on the
> trackpad (ctrl + trackpad up/down gesture). I'm hoping that information
> helps to reproduce.

Thanks Kristian, but I don't understand the difference between what you have
done and what is already available in any module of LO.

1) Launch LO in standard, windowed mode.
2) Open any document, or create a new one (e.g. Writer).
3) Press Cmd and use 2 finger scroll up/down on touchpad  to zoom out/in.
4) No crash.


Now try this in Apple fullscreen mode (LO won't let you do this via the green
expand window button):

1) Launch LO in standard, windowed mode.
2) Press Cmd-Ctrl-F to get macOS to place the LO window in fullscreen mode.
3) Open any document, or create a new one (e.g. Writer).
4) PPress Cmd and use 2 finger scroll up/down on touchpad  to zoom out/in.
5) No crash.


The above describes the LO default zoom function. It doesn't relate to the
magnification options available in the macOS system configuration settings.


Now, if I activate the Zoom options under Accessibility in the macOS system
preferences, the default shortcuts are :

Option Cmd 8 : switches zoom on and off
Option Cmd = : magnifies
Option Cmd - : reduces

Leave the other defaults unchanged.


Now repeat steps 1 to 5 above (setting LO in fullscreen mode)
No crash for me with

Version: 7.0.0.0.alpha1
Build ID: 6a03b2a54143a9bc0c6d4c7f1...
CPU threads: 8; OS: Mac OS X 10.15.4; UI render: GL; VCL: osx; 
Locale: fr-FR (fr_FR.UTF-8); UI: en-US
Calc: threaded


Kristian : where have you set the Ctrl + 2 finger scroll option ?
Please provided detailed step-by-step instructions like I have done above.
This is particularly important when activating accessibility functions on
macOS, so that we know we are talking about the same basic setup.

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