From 1d1260a3aa6d6bb28fb9476859d268547d271382 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20P=C3=B6nitz?= <poenitz@gmx.net>
Date: Mon, 12 Nov 2001 08:20:30 +0000
Subject: [PATCH] interpret  INSET_ERT as  'backslash pressed' to enable the
 use of the toolbar tex button within mathed... not that anybody would use
 it...

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3005 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/mathed/formula.C     | 4 +++-
 src/mathed/formulabase.C | 7 +++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/mathed/formula.C b/src/mathed/formula.C
index 2a4d0e054d..af74148b79 100644
--- a/src/mathed/formula.C
+++ b/src/mathed/formula.C
@@ -565,7 +565,9 @@ void InsetFormula::validate(LaTeXFeatures & features) const
 
 bool InsetFormula::insetAllowed(Inset::Code code) const
 {
-	return code == Inset::LABEL_CODE && display(); 
+	return 
+		(code == Inset::LABEL_CODE && display())
+		|| code == Inset::ERT_CODE; 
 }
 
 
diff --git a/src/mathed/formulabase.C b/src/mathed/formulabase.C
index f30b6ecbc7..a7a24cd2f5 100644
--- a/src/mathed/formulabase.C
+++ b/src/mathed/formulabase.C
@@ -582,6 +582,13 @@ InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
 		//lyxerr << "LFUN ignored\n";
 		break;
 
+	case LFUN_INSET_ERT:
+		// interpret this as if a backslash was typed
+		bv->lockedInsetStoreUndo(Undo::EDIT);
+		mathcursor->interpret("\\");
+		updateLocal(bv, true);
+		break;
+
 	case -1:
 	case LFUN_INSERT_MATH:
 	case LFUN_SELFINSERT: