Re: Freeze with Qt4.5 when acceding to Document Settings

[Abdelrazak Younes]

Vincent van Ravesteijn - TNW wrote:

Abdelrazak Younes wrote:

And I cannot make gdb to produce a backtrace... lyx occupying 100%

cpu

and the only way to kill it is with 'kill -9'.

I tested 1.6.1 compiled against Q4.4 but running against Qt4.5 and 1.6.2svn compiled against Qt4.5.

And with trunk too...

Abdel.

Confirmed.

1. New document,
2. Document->Settings->Preamble
3. Type "L\"
4. Any character inserted now causes LyX to freeze with 100% cpu.

Somewhere in LateXHighlighter::highlightBlock()

Right, this patch "solves" the problem by disabling latex highlighting....

Index: src/frontends/qt4/LaTeXHighlighter.cpp
===================================================================
--- src/frontends/qt4/LaTeXHighlighter.cpp      (revision 28734)
+++ src/frontends/qt4/LaTeXHighlighter.cpp      (working copy)
@@ -33,6 +33,7 @@

void LaTeXHighlighter::highlightBlock(QString const & text)
{
+       return;
       // $ $
       static const QRegExp exprMath("\\$[^\\$]*\\$");
       int index = text.indexOf(exprMath);