From 642adc3eb7c3f69bbb1cd726eab358256cb61c62 Mon Sep 17 00:00:00 2001
From: Abdelrazak Younes <younes@lyx.org>
Date: Sun, 25 Mar 2007 23:22:25 +0000
Subject: [PATCH] Fix crash in debug mode (MSVC) due to an assertion in Qt.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@17559 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/frontends/qt4/QViewSourceDialog.C | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/frontends/qt4/QViewSourceDialog.C b/src/frontends/qt4/QViewSourceDialog.C
index d4ae0f641e..4ce778ecb5 100644
--- a/src/frontends/qt4/QViewSourceDialog.C
+++ b/src/frontends/qt4/QViewSourceDialog.C
@@ -32,7 +32,11 @@ QViewSourceDialog::QViewSourceDialog(QViewSource * form)
 	connect(updatePB, SIGNAL(clicked()),
 		this, SLOT(update()));
 
+	// setting a document at this point trigger an assertion in Qt
+	// so we disable the signals here:
+	form_->document()->blockSignals(true);
 	viewSourceTV->setDocument(form_->document());
+	form_->document()->blockSignals(false);
 	viewSourceTV->setReadOnly(true);
 	///dialog_->viewSourceTV->setAcceptRichText(false);
 	// this is personal. I think source code should be in fixed-size font