clean up a bit

[lyx.git] / src / paragraph.h

diff --git a/src/paragraph.h b/src/paragraph.h
index 4f49050a4d28baa83893901f96822c7b1cfa0eee..3d1f8691fd07d8ef48102060e5852fb3f964703a 100644 (file)
--- a/src/paragraph.h
+++ b/src/paragraph.h
@@ -20,6 +20,7 @@
 #include "insets/inset.h" // Just for Inset::Code
 
 #include "support/types.h"
+#include "changes.h"
 
 #include "LString.h"
 
@@ -165,6 +166,36 @@ public:
        ///
        Paragraph const * next() const;
 
+       /// initialise tracking for this par
+       void trackChanges(Change::Type = Change::UNCHANGED);
+ 
+       /// stop tracking
+       void untrackChanges();
+ 
+       /// set entire paragraph to new text for change tracking
+       void cleanChanges();
+ 
+       /// look up change type at given pos
+       Change::Type lookupChange(lyx::pos_type pos) const;
+ 
+       /// look up change at given pos
+       Change const lookupChangeFull(lyx::pos_type pos) const;
+ 
+       /// is there a change within the given range ?
+       bool isChanged(lyx::pos_type start, lyx::pos_type end) const;
+
+       /// is there a non-addition in this range ?
+       bool isChangeEdited(lyx::pos_type start, lyx::pos_type end) const;
+ 
+       /// accept change
+       void acceptChange(lyx::pos_type start, lyx::pos_type end);
+
+       /// reject change
+       void rejectChange(lyx::pos_type start, lyx::pos_type end);
+ 
+       /// mark whole par as erased
+       void markErased();
+ 
        ///
        void previous(Paragraph *);
        ///
@@ -197,9 +228,13 @@ public:
        depth_type getMaxDepthAfter() const;
        ///
        void applyLayout(LyXLayout_ptr const & new_layout);
-       ///
+ 
+       /// erase the char at the given position
        void erase(lyx::pos_type pos);
-       /** Get unistantiated font setting. Returns the difference
+       /// erase the given range. Returns true if actually erased.
+       bool erase(lyx::pos_type start, lyx::pos_type end);
+ 
+       /** Get uninstantiated font setting. Returns the difference
            between the characters font and the layoutfont.
            This is what is stored in the fonttable
        */
@@ -234,13 +269,13 @@ public:
        ///
        void insertChar(lyx::pos_type pos, value_type c);
        ///
-       void insertChar(lyx::pos_type pos, value_type c, LyXFont const &);
+       void insertChar(lyx::pos_type pos, value_type c, LyXFont const &, Change change = Change(Change::INSERTED));
        ///
        bool checkInsertChar(LyXFont &);
        ///
        void insertInset(lyx::pos_type pos, Inset * inset);
        ///
-       void insertInset(lyx::pos_type pos, Inset * inset, LyXFont const &);
+       void insertInset(lyx::pos_type pos, Inset * inset, LyXFont const &, Change change = Change(Change::INSERTED));
        ///
        bool insetAllowed(Inset::Code code);
        ///
@@ -294,6 +329,9 @@ public:
        ///
        //Counters & counters();
 
+       friend void breakParagraph(BufferParams const & bparams,
+                    Paragraph * par, lyx::pos_type pos, int flag);
+ 
 private:
        ///
        LyXLayout_ptr layout_;
@@ -312,4 +350,16 @@ private:
        Pimpl * pimpl_;
 };
 
-#endif
+ 
+inline bool isInsertedText(Paragraph const * par, lyx::pos_type pos)
+{
+       return par->lookupChange(pos) == Change::INSERTED;
+}
+ 
+ 
+inline bool isDeletedText(Paragraph const * par, lyx::pos_type pos)
+{
+       return par->lookupChange(pos) == Change::DELETED;
+}
+ 
+#endif // PARAGRAPH_H