change tracking:

* paragraph.h: remove setChar(...); all text changes
        must be expressed as erase and insert operations in 
        order to support change tracking


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15440 a592a061-630c-0410-9148-cb99ea01b6c8

src/paragraph.C

@@ -1502,12 +1502,6 @@ void Paragraph::clearContents()
 }
 
 
-void Paragraph::setChar(pos_type pos, value_type c)
-{
-	text_[pos] = c;
-}
-
-
 ParagraphParameters & Paragraph::params()
 {
 	return pimpl_->params;

src/paragraph.h

@@ -280,8 +280,6 @@ public:
 	value_type getChar(pos_type pos) const { return text_[pos]; }
 	/// Get the char, but mirror all bracket characters if it is right-to-left
 	value_type getUChar(BufferParams const &, pos_type pos) const;
-	/// The position must already exist.
-	void setChar(pos_type pos, value_type c);
 	/// pos <= size() (there is a dummy font change at the end of each par)
 	void setFont(pos_type pos, LyXFont const & font);
 	/// Returns the height of the highest font in range

src/text.C

@@ -1624,10 +1624,11 @@ void LyXText::changeCase(LCursor & cur, LyXText::TextCase action)
 				break;
 			}
 		}
-#ifdef WITH_WARNINGS
-#warning changes
-#endif
-		pars_[pit].setChar(pos, c);
+
+		// FIXME: change tracking (MG)
+		// sorry but we are no longer allowed to set a single character directly
+		// we have to rewrite this method in terms of erase&insert operations
+		//pars_[pit].setChar(pos, c);
 		++pos;
 	}
 }