Am 05.01.2012 um 10:02 schrieb Jerry: > > On Jan 4, 2012, at 9:13 PM, Jerry wrote: > >> >> On Jan 4, 2012, at 3:03 PM, Stephan Witt wrote: >> >>> I've prepared a LyX-package with Qt-4.8.0 and the upload is here: >>> >>> http://dl.dropbox.com/u/27842660/LyX-2.1.0svn%2Bqt4.8.0-cocoa.dmg >>> http://dl.dropbox.com/u/27842660/LyX-2.1.0svn%2Bqt4.8.0-cocoa.dmg.sig >>> >>> The Qt 4.8.0 ChangeLog contains this: >>> >>> Qt for Mac OS X >>> --------------- >>> - Alien widgets is now used by default for Qt/Cocoa on Mac OS X. >>> - Qt/Cocoa on Mac OS X has now full support for the raster paint engine. >>> - QApplication has now implemented macEventFilter for Qt/Cocoa >>> - HarfBuzz can now be used as an optional text layout engine on Mac OS X. >>> [QTBUG-17728] >>> - Qt shows some love to OS X Lion (10.7). >>> >>> Perhaps this is an improvement on Lion? Please, can someone give it a try? >>> >>> Stephan >> >> 10.6.8, 2.1svn >> Scrolling User's Guide takes 13 seconds. >> No misplaced cursor. >> >> This scroll rate is between what I measured for 2.0.0 and 2.0.2 using the >> special preference file line. >> >> Subjectively, for me, the somewhat slower difference for 2.1svn puts the >> experience back into "painful" regime, but it is still better than 2.0.2 >> without the special preference file line. >> >> Jerry > > After adding \force_paint_single_char false to the preferences file for > 2.1svn: > Scrolling User's Guide takes 9 seconds on first pass, 7-8 seconds for > subsequent passes. > The cursor is misplaced on long line of m's. > > Another artifact with these conditions appears: when click-dragging over text > to select it, _some_ letters at and to the right of the position of the > cursor will jump a few pixels left and right as the cursor passes over them. > Doing this over a long line of m's is especially fun. It's as though > characters under the selection color are being drawn with a different metric > than the ones that have not been selected yet. > > Normal scrolling (trackpad, thumb bar) is noticeably better than any of the > other results I have reported. But the cursor problem is present now.
Thank you for doing this job. So, at least there is some hope :) Stephan
