Account for old versions of Pygments

[lyx.git] / src / Changes.h

diff --git a/src/Changes.h b/src/Changes.h
index ea6e4b393155af0ebb5ef3212d4310f1cc168b92..5bded171ac5c5d5bce5d2c6596b38610f2629456 100644 (file)
--- 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_;
 };