X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FLyXRC.h;h=6e82a6def98e9db9ba5e6c07225616d60a02f17c;hb=bfe98181169d9e697e515da974d9b6a15a06c940;hp=74c0e4cfe104fdd194a2e67badccda5276eff3a8;hpb=325c405541207e91110cc8e488c9210ddeb436f7;p=lyx.git

diff --git a/src/LyXRC.h b/src/LyXRC.h
index 74c0e4cfe1..6e82a6def9 100644
--- a/src/LyXRC.h
+++ b/src/LyXRC.h
@@ -189,6 +189,7 @@ public:
 		RC_VIEWER_ALTERNATIVES,
 		RC_VISUAL_CURSOR,
 		RC_CLOSE_BUFFER_WITH_LAST_VIEW,
+		RC_DRAW_STRATEGY,
 		RC_LAST
 	};
 
@@ -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;
 };