On Monday 18 November 2013 11:06:57 Milian Wolff wrote: > Hey all, > > I'd like to ask again whether I could backport some performance improvements > in QTextLayout/QTextEngine from Qt5 to Qt4. > > Most notably there is https://codereview.qt-project.org/#change,34112 which > effects us in Kate/KDE as outlined here: > https://bugs.kde.org/show_bug.cgi?id=225228 > > The changeset above was merged in Qt5 and matured there, see > https://codereview.qt-project.org/#change,34118 > > What I propose is to sync the current status of QTextLayout/QTextEngine from > Qt5, put it into a patchset for Qt4 and get it into the next Qt4 release. > > Would this be accepted? Or is there still a policy which forbids performance > improvements to be merged into Qt4? Considering that the above makes the > Kate editor practically useless for some files (freezes for multiple > minutes), I personally see this as a bug fix anyways...
Don't forget that if you want to backport this patch, you also need at least to backport https://codereview.qt-project.org/31089 https://codereview.qt-project.org/31090 and https://codereview.qt-project.org/34288 As a KDevelop/Kate user, i would be pleased to be able to open files with long lines without the current kate workaround to force a wrapping. -- Olivier Woboq - Qt services and support - http://woboq.com _______________________________________________ Development mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/development
