[texworks] mouse-wheel / slider cause TeXworks inmediate crash, issue broadens
Paul A Norman
paul.a.norman at gmail.com
Tue Feb 1 01:56:40 CET 2011
Cool great you found it, will try and check it out later.
This project is using an interesting editor component under Qt which gives
text folding and all that natively - don't know if it would be a "drop in"
or have major existing Tw code compatibility issues.
Any way for your viewing pleasure :) here it is
On 1 February 2011 08:34, Stefan Löffler <st.loeffler at gmail.com> wrote:
> On 2011-01-26 11:22, Paul A Norman wrote:
> On 26 January 2011 08:39, Stefan Löffler <st.loeffler at gmail.com> wrote:
>> On 2011-01-25 06:32, Paul A Norman wrote:
>> > It seems like a Qt framework issue?
>> Indeed, I think so too. I've tried to get some help on the dev forums
>> (http://developer.qt.nokia.com/forums/viewthread/3176/), but to no avail
>> so far... :(
> OK, I finally figured out what the problem is and posted a patch. It turned
> out that this has already been fixed upstream and will land in the next
> bugfix release (4.7.2). Until then, I adapted my Windows Qt build to include
> that particular patch. I don't know if this solves the scrolling issue (I
> haven't been able to reproduce that myself), but it should fix the spacebar
> issue. I've posted r728 build2 on GC (since there no problems with r728 were
> reported in the other thread so far) - please check.
> NB: This issue is memory-related (in the worst case (which we encountered),
> 2 GB were allocated to represent a simple rectangle). Consequently, this
> issue should a) not occur on systems with enough memory and b) depends on
> the system (and how it allocates memory).
> Since on Linux, we generally use prepackaged libraries, this fix won't be
> included in those builds. If this patch turns out to really fix the issue, I
> will add it to the repository, though, so everyone who wants can include it
> in a Qt private build.
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