Alfredo's second patch

[lyx.git] / src / text_funcs.C

diff --git a/src/text_funcs.C b/src/text_funcs.C
index 01f4d089dbe3a78f2e14b07ccecfc26c44a1e8d6..a958ef72b4d0033063b9d37aa23d1b8c7476e1b9 100644 (file)
--- a/src/text_funcs.C
+++ b/src/text_funcs.C
@@ -19,38 +19,40 @@
 #include "lyxcursor.h"
 #include "undo_funcs.h"
 
+#include <boost/next_prior.hpp>
+
 using lyx::pos_type;
 
 void transposeChars(LyXText & text, LyXCursor const & cursor)
 {
-       Paragraph * tmppar = &*cursor.par();
+       ParagraphList::iterator tmppit = cursor.par();
 
-       setUndo(text.bv(), Undo::FINISH, tmppar, tmppar->next());
+       setUndo(text.bv(), Undo::FINISH, tmppit, boost::next(tmppit));
 
        pos_type tmppos = cursor.pos();
 
        // First decide if it is possible to transpose at all
 
-       if (tmppos == 0 || tmppos == tmppar->size())
+       if (tmppos == 0 || tmppos == tmppit->size())
                return;
 
-       if (isDeletedText(*tmppar, tmppos - 1)
-               || isDeletedText(*tmppar, tmppos))
+       if (isDeletedText(*tmppit, tmppos - 1)
+               || isDeletedText(*tmppit, tmppos))
                return;
 
-       unsigned char c1 = tmppar->getChar(tmppos);
-       unsigned char c2 = tmppar->getChar(tmppos - 1);
+       unsigned char c1 = tmppit->getChar(tmppos);
+       unsigned char c2 = tmppit->getChar(tmppos - 1);
 
        // We should have an implementation that handles insets
        // as well, but that will have to come later. (Lgb)
        if (c1 == Paragraph::META_INSET || c2 == Paragraph::META_INSET)
                return;
 
-       bool const erased = tmppar->erase(tmppos - 1, tmppos + 1);
+       bool const erased = tmppit->erase(tmppos - 1, tmppos + 1);
        pos_type const ipos(erased ? tmppos - 1 : tmppos + 1);
 
-       tmppar->insertChar(ipos, c1);
-       tmppar->insertChar(ipos + 1, c2);
+       tmppit->insertChar(ipos, c1);
+       tmppit->insertChar(ipos + 1, c2);
 
-       text.checkParagraph(tmppar, tmppos);
+       text.checkParagraph(tmppit, tmppos);
 }