Not sure if helpful but might be related: The error seems to happen in the editor but not the terminal. Opening the editor triggers the qt warning below:
$ /Applications/j904/bin/jqt (open the editor with ctrl+M) qt.core.qmetaobject.connectslotsbyname: QMetaObject::connectSlotsByName: No matching signal for on_helpaboutAct_triggered() On Sun, Oct 2, 2022 at 10:21 AM chris burke <[email protected]> wrote: > Just to add to this - > > I can see this problem on macOS. > > On Linux and Windows, ctrl+mouse moves the display up and down one > page at a time without problem. > > The Jqt term session is a QPlainTextEdit control and AFAIK we don't > have any special mouse handling for it. An even simpler QPlainTextEdit > control is textview, e.g. on macOS try > > textview i.60 20 > > This also exhibits the same glitches. > > I wonder if this is a Qt issue? > > On Thu, Sep 29, 2022 at 12:47 PM John Ference <[email protected]> > wrote: > > > > One specific example happens with mouse scrolling in the editor window. > The > > error visible in the video linked below can be duplicated by: > > 1) selecting the region > > 2) pressing ctrl + mouse scrolling up and down > > 3) arrow up and down on the keyboard > > > > The specific glitch patterns are inconsistent, and variants include: > > off-by-one line display errors > > idiosyncratic line highlighting > > cross-screen line artifacts > > > > > https://www.dropbox.com/s/yqeu2dvbyppazfq/JQt%20904%20scrolling%20glitch%202022-09-29%20at%2012.33.09%20PM.mov?dl=0 > > > > Additional variants of this seem to occur with keyboard only, though I > have > > not yet been able to isolate them. > > > > Thanks, > > John > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
