X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FLyXRC.h;h=6e82a6def98e9db9ba5e6c07225616d60a02f17c;hb=21eb2c4f74c5665e6516cf900acf4f5acba21c69;hp=f9b56646addd36d7945d0e408772c8e722159be5;hpb=0f0ad1f715b914d424b6edd01aad2e559e8e85f5;p=lyx.git

diff --git a/src/LyXRC.h b/src/LyXRC.h
index f9b56646ad..6e82a6def9 100644
--- a/src/LyXRC.h
+++ b/src/LyXRC.h
@@ -189,13 +189,14 @@ public:
 		RC_VIEWER_ALTERNATIVES,
 		RC_VISUAL_CURSOR,
 		RC_CLOSE_BUFFER_WITH_LAST_VIEW,
+		RC_DRAW_STRATEGY,
 		RC_LAST
 	};
 
 	///
 	LyXRC() : user_name(support::user_name()),
 	          user_email(support::user_email()) // always empty
-		{};
+		{}
 
 	/// \param check_format: whether to try to convert the file format,
 	/// if it is not current. this should only be true, really, for the
@@ -573,6 +574,17 @@ public:
 
 	///
 	BookmarksVisibility bookmarks_visibility = BMK_NONE;
+
+	enum DrawStrategy {
+		// draw all (not implemented yet)
+		// FS_FULL,
+		// draw only what has changed
+		DS_PARTIAL,
+		// draw in backing store (only what has changed)
+		DS_BACKINGSTORE
+	};
+	///
+	DrawStrategy draw_strategy = DS_PARTIAL;
 };