Hi Neil,
I am currently working on upgrading to Qt 5.5.1 from 5.4.2 in my
project. It's all working fine for different QScintilla-based editors
that I have in my application, except for one. The only difference
between that editor and the others is that it relies on a custom lexer.
As you might expect, that lexer is implemented in a class that inherits
from QsciLexerCustom (see https://goo.gl/cjrYCM and
https://goo.gl/cMojqk).
Now, my problem, when my project is built using Qt 5.5.1 on OS X
(everything works fine on Windows and Linux), is that if I then try to
edit something in that particular editor, then I get one or two black
lines flashing repeatedly for as long as I keep editing.
After some debugging, I found out that the 'culprit' is Editor::Paint(),
more precisely the paintState == paintAbandoned if clause. That if
clause is true then it will return after it has done what it needs to
do. Now, if I comment out the return statement (see
https://goo.gl/5jDdXt), everything works fine for me (i.e. I don't get
the one or two black lines flashing repeatedly).
So, although I have got things to work fine for my application, I wanted
to check with you that what I have done is actually 'safe'. If it is,
then maybe this is something that could be merged in?
Cheers, Alan.
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