On Tue, 9 Jun 2015 03:07:06 -0700 (PDT)
john lunzer <lun...@gmail.com> wrote:
> The todo.py slowdown was not the only slowdown. For syntax
> highlighted nodes, there remains a (less severe) lack of visual
> updating when holding down the Up/Down arrow in the tree and
> additionally a significant lack up visual updates when holding down
> Ctrl-Up/Down in the body to move lines around.
>
> On Monday, June 8, 2015 at 7:21:43 PM UTC-4, Edward K. Ream wrote:
> >
> > On Sat, Jun 6, 2015 at 10:08 AM, 'Terry Brown' via leo-editor <
> > leo-e...@googlegroups.com <javascript:>> wrote:
> >
> >> On Fri, 5 Jun 2015 11:01:13 -0500
> >> "'Terry Brown' via leo-editor" <leo-e...@googlegroups.com
> >> <javascript:>> wrote:
> >>
> >> > Well, I'm definitely seeing Todo.py related slow down, and will
> >> > attempt to investigate that.
> >>
> >> Just pushed a fix for this. w.setStyle("/* */") was being called
> >> on every node, and is just too slow for that :-/ Now it's called
> >> on idle, which was tricky
> >> [snip]
> >
> > Thanks for this.
> >
> > Here is what I think I know about loading large text.
Just a hit and run comment - w.setStyle("/* */") not a text coloring
issue in this case, it's being called on the Todo widget / tab / pane
thing, to set displayed dates to red when they've past and a tasks not
done.
Cheers -Terry
> > 1. Syntax coloring:
> >
> > At present, the Python colorizer is enabled in leoColorizer.py.
> > That is, python_qsh = True. This switch enables idle-time
> > colorizing of the text, so the length of text shouldn't matter.
> >
> > 2. Waiting for large text to load.
> >
> > Qt has major issues with large text. This should not cause
> > problems if the user doesn't try to change the text.
> >
> > The setting, @int max-pre-loaded-body-chars = 30000, controls
> > whether Leo will insert so-call "large-text buttons" for body text
> > greater than the given value. (The value of 0 disables the
> > feature).
> >
> > I doubt whether much more can be done to speed loading of large
> > text. The normal workaround is to split large nodes.
> >
> > HTH.
> >
> > EKR
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