Enhancements to read-only mode to stop caret moving when typing or deleting.

1 files changed, 6 insertions, 5 deletions

diff --git a/src/Document.h b/src/Document.h
index 941ad79cc..61fe33fce 100644
--- a/src/Document.h
+++ b/src/Document.h
@@ -132,8 +132,8 @@ public:
 	int MovePositionOutsideChar(int pos, int moveDir, bool checkLineEnd=true);
 
 	// Gateways to modifying document
-	void DeleteChars(int pos, int len);
-	void InsertStyledString(int position, char *s, int insertLength);
+	bool DeleteChars(int pos, int len);
+	bool InsertStyledString(int position, char *s, int insertLength);
 	int Undo();
 	int Redo();
 	bool CanUndo() { return cb.CanUndo(); }
@@ -158,9 +158,9 @@ public:
 	void SetReadOnly(bool set) { cb.SetReadOnly(set); }
 	bool IsReadOnly() { return cb.IsReadOnly(); }
 
-	void InsertChar(int pos, char ch);
-	void InsertString(int position, const char *s);
-	void InsertString(int position, const char *s, int insertLength);
+	bool InsertChar(int pos, char ch);
+	bool InsertString(int position, const char *s);
+	bool InsertString(int position, const char *s, int insertLength);
 	void ChangeChar(int pos, char ch);
 	void DelChar(int pos);
 	int DelCharBack(int pos);
@@ -233,6 +233,7 @@ private:
 	void NotifySavePoint(bool atSavePoint);
 	void NotifyModified(DocModification mh);
 
+	int DelCharBackMove(int pos, int len);
 	int IndentSize() { return indentInChars ? indentInChars : tabInChars; }
 };