From 98cd6c60f71bdbacc945f2dbcb74cfacad4e52b5 Mon Sep 17 00:00:00 2001
From: Jean-Marc Lasgouttes <lasgouttes@lyx.org>
Date: Thu, 2 Feb 2012 13:39:05 +0000
Subject: [PATCH] * InsetMathScript::doDispatch : properly record undo
 information before changing limits status (fixes bug #8007) *
 InsetMathScript::getStatus (new) : handle properly status for
 LFUN_MATH_LIMITS here, along with checkmark support for the menu)

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@40700 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/mathed/InsetMathNest.cpp   |  1 -
 src/mathed/InsetMathScript.cpp | 22 ++++++++++++++++++++++
 src/mathed/InsetMathScript.h   |  3 +++
 3 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/mathed/InsetMathNest.cpp b/src/mathed/InsetMathNest.cpp
index affe7918c6..bd702464c3 100644
--- a/src/mathed/InsetMathNest.cpp
+++ b/src/mathed/InsetMathNest.cpp
@@ -1368,7 +1368,6 @@ bool InsetMathNest::getStatus(Cursor & cur, FuncRequest const & cmd,
 	// we just need to be in math mode to enable that
 	case LFUN_MATH_SIZE:
 	case LFUN_MATH_SPACE:
-	case LFUN_MATH_LIMITS:
 	case LFUN_MATH_EXTERN:
 		flag.setEnabled(true);
 		break;
diff --git a/src/mathed/InsetMathScript.cpp b/src/mathed/InsetMathScript.cpp
index ed06d363d6..a9f4b38bd1 100644
--- a/src/mathed/InsetMathScript.cpp
+++ b/src/mathed/InsetMathScript.cpp
@@ -14,6 +14,7 @@
 #include "Cursor.h"
 #include "DispatchResult.h"
 #include "FuncRequest.h"
+#include "FuncStatus.h"
 #include "InsetMathFont.h"
 #include "InsetMathScript.h"
 #include "InsetMathSymbol.h"
@@ -754,6 +755,7 @@ void InsetMathScript::doDispatch(Cursor & cur, FuncRequest & cmd)
 	//LYXERR("InsetMathScript: request: " << cmd);
 
 	if (cmd.action() == LFUN_MATH_LIMITS) {
+		cur.recordUndoInset();
 		if (!cmd.argument().empty()) {
 			if (cmd.argument() == "limits")
 				limits_ = 1;
@@ -772,6 +774,26 @@ void InsetMathScript::doDispatch(Cursor & cur, FuncRequest & cmd)
 }
 
 
+bool InsetMathScript::getStatus(Cursor & cur, FuncRequest const & cmd,
+				FuncStatus & flag) const
+{
+	if (cmd.action() == LFUN_MATH_LIMITS) {
+		if (!cmd.argument().empty()) {
+			if (cmd.argument() == "limits")
+				flag.setOnOff(limits_ == 1);
+			else if (cmd.argument() == "nolimits")
+				flag.setOnOff(limits_ == -1);
+			else
+				flag.setOnOff(limits_ == 0);
+		} 
+		flag.setEnabled(true);
+		return true;
+	}
+
+	return InsetMathNest::getStatus(cur, cmd, flag);
+}
+
+
 // the idea for dual scripts came from the eLyXer code
 void InsetMathScript::validate(LaTeXFeatures & features) const
 {
diff --git a/src/mathed/InsetMathScript.h b/src/mathed/InsetMathScript.h
index ecdda3b5a7..e84886b7d3 100644
--- a/src/mathed/InsetMathScript.h
+++ b/src/mathed/InsetMathScript.h
@@ -110,6 +110,9 @@ public:
 	void validate(LaTeXFeatures &features) const;
 protected:
 	virtual void doDispatch(Cursor & cur, FuncRequest & cmd);
+	/// do we want to handle this event?
+	bool getStatus(Cursor & cur, FuncRequest const & cmd,
+		FuncStatus & status) const;
 private:
 	virtual Inset * clone() const;
 	/// returns x offset for main part
-- 
2.39.5