Andreas Neustifter wrote:
Hi,
I recently switched from 1.4.4 to 1.5.0 beta 2 and was really pleased by
the math toolbar that made writing math oriented stuff much faster and
easier for me. This toolbar alone is the reason why I want to stick to 1.5.
Unfortunately I experienced the following problem:
As long as i was editing a paragraph with no math inside everything was
fine, but as soon as there was one math object in the paragraph, the
editing was very slow, typed characters got inserted into the document
at about one character per second.
(iBook G4 with 1.5G RAM, OS X 10.4.9)
I fired up the Quartz Debug.app from the Developer Apps and found that
while editing a paragraph without math, only the paragraph itself and
the scrollbar got updated. As soon as i inserted a math environment LyX
started to update the whole text area after each keystroke. (When I
deleted the math, again only the paragraph part of the screen is updated.)
I compiled QT 4.2.3 and LyX myself today and its the same with 1.5.0
beta 3. Can anyone point me to the relevant sources so I can have a look
at it myself?
In principle the single paragraph painting optimization should work even
if there's some math in there provided that you are not within math. At
least this used to work so I guess something has changed in this area
lately.
Concerning your speed problem, I can recommend two things that will
bring you a lot of speed:
1) Enable "Instant Preview"
2) Use Qt4.3
Abdel.
