Backport: Delete standard functions on classes where there could be attempts to copy.

Backport of changeset 6756:29866b0927e0.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/Style.h b/src/Style.h
index 51ab5d3e6..58cc3cd82 100644
--- a/src/Style.h
+++ b/src/Style.h
@@ -34,8 +34,10 @@ class FontAlias : public Font {
 public:
 	FontAlias();
 	// FontAlias objects can not be assigned except for initialization
-	FontAlias &operator=(const FontAlias &) = delete;
 	FontAlias(const FontAlias &);
+	FontAlias(FontAlias &&)  = delete;
+	FontAlias &operator=(const FontAlias &) = delete;
+	FontAlias &operator=(FontAlias &&) = delete;
 	~FontAlias() override;
 	void MakeAlias(Font &fontOrigin);
 	void ClearFont();
@@ -70,8 +72,10 @@ public:
 
 	Style();
 	Style(const Style &source);
+	Style(Style &&) = delete;
 	~Style();
 	Style &operator=(const Style &source);
+	Style &operator=(Style &&) = delete;
 	void Clear(ColourDesired fore_, ColourDesired back_,
 	           int size_,
 	           const char *fontName_, int characterSet_,