X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FChanges.h;h=5bded171ac5c5d5bce5d2c6596b38610f2629456;hb=80983a35535753992ab1499e2230592063f6ddcb;hp=96383967b96f89fb44b7db096e1804f8c091183c;hpb=760bca8265820331b68fb1b5628aa389345a6d11;p=lyx.git

diff --git a/src/Changes.h b/src/Changes.h
index 96383967b9..5bded171ac 100644
--- a/src/Changes.h
+++ b/src/Changes.h
@@ -21,8 +21,6 @@
 #include "support/types.h"
 #include "support/lyxtime.h"
 
-#include "texstream.h"
-
 #include <vector>
 
 
@@ -31,9 +29,12 @@ namespace lyx {
 class AuthorList;
 class Buffer;
 class DocIterator;
+class FontInfo;
 class OutputParams;
+class otexstream;
 class PainterInfo;
-class FontInfo;
+class TocBackend;
+
 
 class Change {
 public:
@@ -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_;
 };