X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2FChanges.h;h=5bded171ac5c5d5bce5d2c6596b38610f2629456;hb=55bc36587210575f9ef0df3b101f18161469c22b;hp=ea6e4b393155af0ebb5ef3212d4310f1cc168b92;hpb=670efa8f646218f2a378f0cc614c4c37a9f6b89a;p=lyx.git

diff --git a/src/Changes.h b/src/Changes.h
index ea6e4b3931..5bded171ac 100644
--- a/src/Changes.h
+++ b/src/Changes.h
@@ -29,10 +29,11 @@ namespace lyx {
 class AuthorList;
 class Buffer;
 class DocIterator;
+class FontInfo;
 class OutputParams;
 class otexstream;
 class PainterInfo;
-class FontInfo;
+class TocBackend;
 
 
 class Change {
@@ -94,7 +95,7 @@ class BufferParams;
 
 class Changes {
 public:
-	Changes() : is_update_required_(false) {}
+	Changes() : previously_changed_(false) {}
 
 	/// set the pos to the given change
 	void set(Change const & change, pos_type pos);
@@ -137,12 +138,12 @@ public:
 
 	///
 	void addToToc(DocIterator const & cdit, Buffer const & buffer,
-	        bool output_active) const;
+	              bool output_active, TocBackend & backend) const;
 
 	///
 	void updateBuffer(Buffer const & buf);
 	///
-	bool isUpdateRequired() const { return is_update_required_; }
+	bool isUpdateRequired() const { return previously_changed_ != isChanged(); }
 
 private:
 	class Range {
@@ -187,9 +188,9 @@ private:
 	/// table of changes, every row a change and range descriptor
 	ChangeTable table_;
 
-	/// signals that the buffer's flag tracked_changes_present_ needs to be
-	/// recalculated
-	bool is_update_required_;
+	/// cache previous value of isChanged to be able to tell whether the
+	/// buffer's flag tracked_changes_present_ needs to be recomputed
+	bool previously_changed_;
 };