Ensure header files can be compiled stand-alone.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7676 a592a061-630c-0410-9148-cb99ea01b6c8

src/mathed/ChangeLog

@@ -1,3 +1,10 @@
+2003-09-05  Angus Leeming  <leeming@lyx.org>
+
+	* math_binaryopinset.[Ch]:
+	* math_gridinfo.h: 
+	* math_xyarrowinset.[Ch]: 
+	ensure that the header file can be compiled stand-alone.
+
 2003-09-05  Angus Leeming  <leeming@lyx.org>
 
 	* *.C: strip out redundant #includes. (168 in total.)

src/mathed/math_binaryopinset.C

@@ -26,9 +26,9 @@ MathBinaryOpInset::MathBinaryOpInset(char op)
 {}
 
 
-InsetBase * MathBinaryOpInset::clone() const
+auto_ptr<InsetBase> MathBinaryOpInset::clone() const
 {
-	return new MathBinaryOpInset(*this);
+	return auto_ptr<InsetBase>(new MathBinaryOpInset(*this));
 }
 
 

src/mathed/math_binaryopinset.h

@@ -14,6 +14,7 @@
 
 #include "math_nestinset.h"
 #include "math_nestinset.h"
+#include "metricsinfo.h"
 
 
 /// An inset for multiplication
@@ -22,7 +23,7 @@ public:
 	///
 	explicit MathBinaryOpInset(char op);
 	///
-	InsetBase * clone() const;
+	virtual std::auto_ptr<InsetBase> clone() const;
 	///
 	void draw(PainterInfo &, int x, int y) const;
 	///

src/mathed/math_gridinfo.h

@@ -12,6 +12,8 @@
 #ifndef MATH_GRIDINFO_H
 #define MATH_GRIDINFO_H
 
+#include "LString.h"
+
 struct ColInfo
 {
 	ColInfo() : align('c'), rightline(0), leftline(false) {}

src/mathed/math_xyarrowinset.C

@@ -27,9 +27,9 @@ MathXYArrowInset::MathXYArrowInset()
 {}
 
 
-InsetBase * MathXYArrowInset::clone() const
+auto_ptr<InsetBase> MathXYArrowInset::clone() const
 {
-	return new MathXYArrowInset(*this);
+	return auto_ptr<InsetBase>(new MathXYArrowInset(*this));
 }
 
 

src/mathed/math_xyarrowinset.h

@@ -25,7 +25,7 @@ public:
 	///
 	MathXYArrowInset();
 	///
-	InsetBase * clone() const;
+	virtual std::auto_ptr<InsetBase> clone() const;
 	///
 	void metrics(MetricsInfo & mi) const;
 	///