If the graphics loader has a copy c-tor it should have copy assignment that does the same thing.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7112 a592a061-630c-0410-9148-cb99ea01b6c8

src/graphics/ChangeLog

@@ -1,6 +1,7 @@
 2003-06-04  Angus Leeming  <leeming@lyx.org>
 
 	* GraphicsLoader.C (Loader copy c-tor): make it work as expected. ;-)
+	(operator=): if it has a copy c-tor, it should have this too.
 
 2003-06-03  Angus Leeming  <leeming@lyx.org>
 

src/graphics/GraphicsLoader.C

@@ -29,7 +29,7 @@ namespace grfx {
 
 struct Loader::Impl : boost::signals::trackable {
 	///
-	Impl(Params const &);
+	Impl();
 	///
 	~Impl();
 	///
@@ -67,26 +67,26 @@ private:
 
 
 Loader::Loader()
-	: pimpl_(new Impl(Params()))
+	: pimpl_(new Impl)
 {}
 
 
 Loader::Loader(string const & file, DisplayType type)
-	: pimpl_(new Impl(Params()))
+	: pimpl_(new Impl)
 {
 	reset(file, type);
 }
 
 
 Loader::Loader(string const & file, Params const & params)
-	: pimpl_(new Impl(Params()))
+	: pimpl_(new Impl)
 {
 	reset(file, params);
 }
 
 
 Loader::Loader(Loader const & other)
-	: pimpl_(new Impl(Params()))
+	: pimpl_(new Impl)
 {
 	Params const & params = other.pimpl_->params();
 	reset(params.filename, params);
@@ -97,6 +97,16 @@ Loader::~Loader()
 {}
 
 
+Loader & Loader::operator=(Loader const & other)
+{
+	if (this != &other) {
+		Params const & params = other.pimpl_->params();
+		reset(params.filename, params);
+	}
+	return *this;
+}
+
+
 void Loader::reset(string const & file, DisplayType type) const
 {
 	Params params;
@@ -184,8 +194,8 @@ Image const * Loader::image() const
 }
 
 
-Loader::Impl::Impl(Params const & params)
-	: status_(WaitingToLoad), params_(params)
+Loader::Impl::Impl()
+	: status_(WaitingToLoad)
 {
 }
 

src/graphics/GraphicsLoader.h

@@ -31,7 +31,6 @@
 #include <boost/scoped_ptr.hpp>
 
 class Inset;
-class BufferView;
 
 namespace grfx {
 
@@ -52,6 +51,8 @@ public:
 	/// Define an empty d-tor out-of-line to keep boost::scoped_ptr happy.
 	~Loader();
 
+	Loader & operator=(Loader const &);
+
 	/// The file can be changed, or the display params, or both.
 	void reset(string const & file_with_path,
 		   DisplayType = ColorDisplay) const;

src/graphics/PreviewImage.h

@@ -16,7 +16,6 @@
 #include <boost/scoped_ptr.hpp>
 
 class Inset;
-class BufferView;
 
 namespace grfx {