On 03.01.2012 21:36, Stephan Witt wrote:
Am 03.01.2012 um 17:15 schrieb Olivier Ripoll:
[...]

Hi,

I'm almost sure it depends on Qt-Version.

IIRC, I checked the file properties of QtCore4 and QtGUI4 dlls and both files were version 4.7.4.0 in LyX 2.0.1 and 2.0.2.
But perhaps my memories are confused there.


With LyX on Mac with Qt4 we have two fundamental problems:
1. Qt4 with Carbon crashes when interacting with some desktop tools like Divvy 
or SizeUp
http://www.lyx.org/trac/ticket/7365 and
http://www.lyx.org/trac/ticket/7519

2. Qt4 with Cocoa is painting text with kerning hints
This doesn't match with the drawing engine of LyX and LyX's cursor movement.
See the discussion here: 
http://www.mail-archive.com/[email protected]/msg169152.html

I've build 2.0.2 on Mac with Qt4.7 where Cocoa is the default to avoid (1).
The drawback is we have to deal with (2) - the current solution is to draw text 
just char by char,
the text fragments are only one character long.

To check if this is the culprit one may add the following line to your 
preferences file:
\force_paint_single_char false
On a Mac this is the file "~/Library/Application Support/LyX-2.0/preferences".
(Broken cursor placement for long lines should be one consequence.)

Will try this when I have some time.

Best regards,

Olivier


Stephan


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