Fix bug #6063: Keylogger lyx::lyxbreaker: Crash in Math.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@30497 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/frontends/qt4/GuiCompleter.cpp b/src/frontends/qt4/GuiCompleter.cpp
index 884bde6d873143d7705c74874ba2a84d94f81a05..fa8f6f818718b776ca12df2707852f69c3b06260 100644 (file)
--- a/src/frontends/qt4/GuiCompleter.cpp
+++ b/src/frontends/qt4/GuiCompleter.cpp
@@ -313,6 +313,11 @@ void GuiCompleter::updateVisibility(Cursor & cur, bool start, bool keep, bool cu
        if (!inlineVisible() && possibleInlineState && start
                && cur.inset().automaticInlineCompletion())
                inline_timer_.start(int(lyxrc.completion_inline_delay * 1000));
+       else {
+               // no inline completion, hence a metrics update is needed
+               if (!(cur.disp_.update() & Update::Force))
+                       cur.updateFlags(cur.disp_.update() | Update::SinglePar);
+       }
 
        // update prefix if any completion is possible
        bool modelActive = modelActive_ && model()->rowCount() > 0;