X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FChanges.h;h=5bded171ac5c5d5bce5d2c6596b38610f2629456;hb=878efbaf62404d1403366a3f0fe43014344ca38e;hp=e08221e338a8be7ca9727073c835e47442af2a9b;hpb=a5263e0f927034885870a65053ef3908d1c6f885;p=lyx.git

diff --git a/src/Changes.h b/src/Changes.h
index e08221e338..5bded171ac 100644
--- a/src/Changes.h
+++ b/src/Changes.h
@@ -15,7 +15,9 @@
 #ifndef CHANGES_H
 #define CHANGES_H
 
-#include "support/docstream.h"
+#include "Color.h"
+
+#include "support/strfwd.h"
 #include "support/types.h"
 #include "support/lyxtime.h"
 
@@ -25,6 +27,14 @@
 namespace lyx {
 
 class AuthorList;
+class Buffer;
+class DocIterator;
+class FontInfo;
+class OutputParams;
+class otexstream;
+class PainterInfo;
+class TocBackend;
+
 
 class Change {
 public:
@@ -35,17 +45,47 @@ public:
 		DELETED // deleted text
 	};
 
-	explicit Change(Type t, int a = 0, time_type ct = current_time())
+	explicit Change(Type t = UNCHANGED, int a = 0, time_t ct = support::current_time())
 		: type(t), author(a), changetime(ct) {}
 
 	/// is the change similar to the given change such that both can be merged?
-	bool isSimilarTo(Change const & change);
+	bool isSimilarTo(Change const & change) const;
+	/// The color of this change on screen
+	Color color() const;
+	///
+	bool changed() const { return type != UNCHANGED; }
+	///
+	void setUnchanged() { type = UNCHANGED; }
+	///
+	bool inserted() const { return type == INSERTED; }
+	///
+	void setInserted() { type = INSERTED; }
+	///
+	bool deleted() const { return type == DELETED; }
+	///
+	void setDeleted() { type = DELETED; }
+	/// Is this change made by the current author ?
+	bool currentAuthor() const { return author == 0; }
+
+	/// Paint under- or strike-through line
+	///
+	/// Text : underline or strike through
+	/// \param x1 begin
+	/// \param x2 end
+	/// \param y baseline
+	void paintCue(PainterInfo & pi, double const x1, double const y,
+	               double const x2, FontInfo const & font) const;
+	/// Box : line below or diagonal
+	/// \param x1,y1 top-left corner
+	/// \param x2,y2 bottom-right corner
+	void paintCue(PainterInfo & pi, double const x1, double const y1,
+	               double const x2, double const y2) const;
 
 	Type type;
 
 	int author;
 
-	time_type changetime;
+	time_t changetime;
 };
 
 bool operator==(Change const & l, Change const & r);
@@ -55,6 +95,8 @@ class BufferParams;
 
 class Changes {
 public:
+	Changes() : previously_changed_(false) {}
+
 	/// set the pos to the given change
 	void set(Change const & change, pos_type pos);
 	/// set the range (excluding end) to the given change
@@ -75,21 +117,34 @@ public:
 
 	/// return true if there is a change in the given range (excluding end)
 	bool isChanged(pos_type start, pos_type end) const;
-
 	///
+	bool isChanged() const;
+
+	/// return true if the whole range is deleted
+	bool isDeleted(pos_type start, pos_type end) const;
 
 	/// output latex to mark a transition between two change types
 	/// returns length of text outputted
-	static int latexMarkChange(odocstream & os, BufferParams const & bparams,
-				   Change const & oldChange, Change const & change);
+	static int latexMarkChange(otexstream & os, BufferParams const & bparams,
+				   Change const & oldChange, Change const & change,
+				   OutputParams const & runparams);
 
 	/// output .lyx file format for transitions between changes
-	static void lyxMarkChange(std::ostream & os, int & column,
-		Change const & old, Change const & change);
+	static void lyxMarkChange(std::ostream & os, BufferParams const & bparams,
+		int & column, Change const & old, Change const & change);
 
 	///
 	void checkAuthors(AuthorList const & authorList);
 
+	///
+	void addToToc(DocIterator const & cdit, Buffer const & buffer,
+	              bool output_active, TocBackend & backend) const;
+
+	///
+	void updateBuffer(Buffer const & buf);
+	///
+	bool isUpdateRequired() const { return previously_changed_ != isChanged(); }
+
 private:
 	class Range {
 	public:
@@ -132,6 +187,10 @@ private:
 
 	/// table of changes, every row a change and range descriptor
 	ChangeTable table_;
+
+	/// 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_;
 };