Fixed a bug setting caret position after setting or clearing selection

Implemented forced line breaks within a paragraph, entered with Shift-Return.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@43540 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/richtext/richtextbuffer.h

@@ -70,6 +70,12 @@
 #include "wx/dataobj.h"
 #endif
 
+/*!
+ * Special characters
+ */
+
+extern WXDLLIMPEXP_RICHTEXT const wxChar wxRichTextLineBreakChar;
+
 /*!
  * File types
  */
@@ -1344,6 +1350,9 @@ public:
     /// Get combined attributes of the base style and paragraph style.
     wxTextAttrEx GetCombinedAttributes() const;
 
+    /// Get the first position from pos that has a line break character.
+    long GetFirstLineBreakPosition(long pos);
+
     /// Create default tabstop array
     static void InitDefaultTabs();
 
@@ -1413,6 +1422,9 @@ public:
     /// Dump to output stream for debugging
     virtual void Dump(wxTextOutputStream& stream);
 
+    /// Get the first position from pos that has a line break character.
+    long GetFirstLineBreakPosition(long pos);
+
 // Accessors
 
     /// Get the text