]> git.saurik.com Git - wxWidgets.git/blobdiff - src/richtext/richtextbuffer.cpp
Override GetPixelSize on OS X as the base impl creates a wxScreenDC each time, which...
[wxWidgets.git] / src / richtext / richtextbuffer.cpp
index 3f714632a4c7d42857426186adfb8ea5dc1faa8c..f1ed9eacf16f3c9e3d0802c576ee3b7a3bcbb664 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        richtext/richtextbuffer.cpp
+// Name:        src/richtext/richtextbuffer.cpp
 // Purpose:     Buffer for wxRichTextCtrl
 // Author:      Julian Smart
 // Modified by:
@@ -13,7 +13,7 @@
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-  #pragma hdrstop
+    #pragma hdrstop
 #endif
 
 #if wxUSE_RICHTEXT
 #include "wx/richtext/richtextbuffer.h"
 
 #ifndef WX_PRECOMP
-  #include "wx/wx.h"
+    #include "wx/dc.h"
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/dataobj.h"
+    #include "wx/module.h"
 #endif
 
 #include "wx/filename.h"
 #include "wx/clipbrd.h"
-#include "wx/dataobj.h"
 #include "wx/wfstream.h"
-#include "wx/module.h"
 #include "wx/mstream.h"
 #include "wx/sstream.h"
+#include "wx/textfile.h"
 
 #include "wx/richtext/richtextctrl.h"
 #include "wx/richtext/richtextstyles.h"
@@ -79,11 +82,12 @@ void wxRichTextObject::Copy(const wxRichTextObject& obj)
     m_range = obj.m_range;
     m_attributes = obj.m_attributes;
     m_descent = obj.m_descent;
-
+/*
     if (!m_attributes.GetFont().Ok())
         wxLogDebug(wxT("No font!"));
     if (!obj.m_attributes.GetFont().Ok())
         wxLogDebug(wxT("Parent has no font!"));
+*/
 }
 
 void wxRichTextObject::SetMargins(int margin)
@@ -219,7 +223,9 @@ void wxRichTextCompositeObject::Copy(const wxRichTextCompositeObject& obj)
     while (node)
     {
         wxRichTextObject* child = node->GetData();
-        m_children.Append(child->Clone());
+        wxRichTextObject* newChild = child->Clone();
+        newChild->SetParent(this);
+        m_children.Append(newChild);
 
         node = node->GetNext();
     }
@@ -441,13 +447,13 @@ bool wxRichTextBox::Layout(wxDC& dc, const wxRect& rect, int style)
 }
 
 /// Get/set the size for the given range. Assume only has one child.
-bool wxRichTextBox::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags) const
+bool wxRichTextBox::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags, wxPoint position) const
 {
     wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
     if (node)
     {
         wxRichTextObject* child = node->GetData();
-        return child->GetRangeSize(range, size, descent, dc, flags);
+        return child->GetRangeSize(range, size, descent, dc, flags, position);
     }
     else
         return false;
@@ -486,6 +492,7 @@ void wxRichTextParagraphLayoutBox::Init()
     m_rightMargin = 4;
     m_topMargin = 4;
     m_bottomMargin = 4;
+    m_partialParagraph = false;
 }
 
 /// Draw the item
@@ -654,10 +661,12 @@ bool wxRichTextParagraphLayoutBox::Layout(wxDC& dc, const wxRect& rect, int styl
 void wxRichTextParagraphLayoutBox::Copy(const wxRichTextParagraphLayoutBox& obj)
 {
     wxRichTextBox::Copy(obj);
+
+    m_partialParagraph = obj.m_partialParagraph;
 }
 
 /// Get/set the size for the given range.
-bool wxRichTextParagraphLayoutBox::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags) const
+bool wxRichTextParagraphLayoutBox::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags, wxPoint position) const
 {
     wxSize sz;
 
@@ -713,7 +722,7 @@ bool wxRichTextParagraphLayoutBox::GetRangeSize(const wxRichTextRange& range, wx
         wxSize childSize;
 
         int childDescent = 0;
-        child->GetRangeSize(rangeToFind, childSize, childDescent, dc, flags);
+        child->GetRangeSize(rangeToFind, childSize, childDescent, dc, flags, position);
 
         descent = wxMax(childDescent, descent);
 
@@ -867,16 +876,23 @@ wxSize wxRichTextParagraphLayoutBox::GetLineSizeAtPosition(long pos, bool caretP
 
 
 /// Convenience function to add a paragraph of text
-wxRichTextRange wxRichTextParagraphLayoutBox::AddParagraph(const wxString& text)
+wxRichTextRange wxRichTextParagraphLayoutBox::AddParagraph(const wxString& text, wxTextAttrEx* paraStyle)
 {
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+    // Don't use the base style, just the default style, and the base style will
+    // be combined at display time
+    wxTextAttrEx style(GetDefaultStyle());
+#else
     wxTextAttrEx style(GetAttributes());
 
     // Apply default style. If the style has no attributes set,
     // then the attributes will remain the 'basic style' (i.e. the
     // layout box's style).
     wxRichTextApplyStyle(style, GetDefaultStyle());
-
+#endif
     wxRichTextParagraph* para = new wxRichTextParagraph(text, this, & style);
+    if (paraStyle)
+        para->SetAttributes(*paraStyle);
 
     AppendChild(para);
 
@@ -887,9 +903,15 @@ wxRichTextRange wxRichTextParagraphLayoutBox::AddParagraph(const wxString& text)
 }
 
 /// Adds multiple paragraphs, based on newlines.
-wxRichTextRange wxRichTextParagraphLayoutBox::AddParagraphs(const wxString& text)
+wxRichTextRange wxRichTextParagraphLayoutBox::AddParagraphs(const wxString& text, wxTextAttrEx* paraStyle)
 {
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+    // Don't use the base style, just the default style, and the base style will
+    // be combined at display time
+    wxTextAttrEx style(GetDefaultStyle());
+#else
     wxTextAttrEx style(GetAttributes());
+
     //wxLogDebug("Initial style = %s", style.GetFont().GetFaceName());
     //wxLogDebug("Initial size = %d", style.GetFont().GetPointSize());
 
@@ -900,24 +922,42 @@ wxRichTextRange wxRichTextParagraphLayoutBox::AddParagraphs(const wxString& text
 
     //wxLogDebug("Style after applying default style = %s", style.GetFont().GetFaceName());
     //wxLogDebug("Size after applying default style = %d", style.GetFont().GetPointSize());
+#endif
 
     wxRichTextParagraph* firstPara = NULL;
     wxRichTextParagraph* lastPara = NULL;
 
     wxRichTextRange range(-1, -1);
+
     size_t i = 0;
-    size_t len = text.Length();
+    size_t len = text.length();
     wxString line;
+    wxRichTextParagraph* para = new wxRichTextParagraph(wxEmptyString, this, & style);
+    if (paraStyle)
+        para->SetAttributes(*paraStyle);
+
+    AppendChild(para);
+
+    firstPara = para;
+    lastPara = para;
+
     while (i < len)
     {
         wxChar ch = text[i];
         if (ch == wxT('\n') || ch == wxT('\r'))
         {
-            wxRichTextParagraph* para = new wxRichTextParagraph(line, this, & style);
+            wxRichTextPlainText* plainText = (wxRichTextPlainText*) para->GetChildren().GetFirst()->GetData();
+            plainText->SetText(line);
+
+            para = new wxRichTextParagraph(wxEmptyString, this, & style);
+            if (paraStyle)
+                para->SetAttributes(*paraStyle);
 
             AppendChild(para);
-            if (!firstPara)
-                firstPara = para;
+
+            //if (!firstPara)
+            //    firstPara = para;
+
             lastPara = para;
             line = wxEmptyString;
         }
@@ -926,13 +966,14 @@ wxRichTextRange wxRichTextParagraphLayoutBox::AddParagraphs(const wxString& text
 
         i ++;
     }
+
     if (!line.empty())
     {
-        lastPara = new wxRichTextParagraph(line, this, & style);
-        //wxLogDebug("Para Face = %s", lastPara->GetAttributes().GetFont().GetFaceName());
-        AppendChild(lastPara);
+        wxRichTextPlainText* plainText = (wxRichTextPlainText*) para->GetChildren().GetFirst()->GetData();
+        plainText->SetText(line);
     }
 
+/*
     if (firstPara)
         range.SetStart(firstPara->GetRange().GetStart());
     else if (lastPara)
@@ -942,27 +983,38 @@ wxRichTextRange wxRichTextParagraphLayoutBox::AddParagraphs(const wxString& text
         range.SetEnd(lastPara->GetRange().GetEnd());
     else if (firstPara)
         range.SetEnd(firstPara->GetRange().GetEnd());
+*/
 
     UpdateRanges();
+
     SetDirty(false);
 
-    return GetRange();
+    return wxRichTextRange(firstPara->GetRange().GetStart(), lastPara->GetRange().GetEnd());
 }
 
 /// Convenience function to add an image
-wxRichTextRange wxRichTextParagraphLayoutBox::AddImage(const wxImage& image)
+wxRichTextRange wxRichTextParagraphLayoutBox::AddImage(const wxImage& image, wxTextAttrEx* paraStyle)
 {
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+    // Don't use the base style, just the default style, and the base style will
+    // be combined at display time
+    wxTextAttrEx style(GetDefaultStyle());
+#else
     wxTextAttrEx style(GetAttributes());
 
     // Apply default style. If the style has no attributes set,
     // then the attributes will remain the 'basic style' (i.e. the
     // layout box's style).
     wxRichTextApplyStyle(style, GetDefaultStyle());
+#endif
 
     wxRichTextParagraph* para = new wxRichTextParagraph(this, & style);
     AppendChild(para);
     para->AppendChild(new wxRichTextImage(image, this));
 
+    if (paraStyle)
+        para->SetAttributes(*paraStyle);
+
     UpdateRanges();
     SetDirty(true);
 
@@ -976,7 +1028,7 @@ wxRichTextRange wxRichTextParagraphLayoutBox::AddImage(const wxImage& image)
 /// TODO: if fragment is inserted inside styled fragment, must apply that style to
 /// to the data (if it has a default style, anyway).
 
-bool wxRichTextParagraphLayoutBox::InsertFragment(long position, wxRichTextFragment& fragment)
+bool wxRichTextParagraphLayoutBox::InsertFragment(long position, wxRichTextParagraphLayoutBox& fragment)
 {
     SetDirty(true);
 
@@ -1110,7 +1162,9 @@ bool wxRichTextParagraphLayoutBox::InsertFragment(long position, wxRichTextFragm
                 if (finalPara->GetChildCount() == 0)
                 {
                     wxRichTextPlainText* text = new wxRichTextPlainText(wxEmptyString);
+#if !wxRICHTEXT_USE_DYNAMIC_STYLES
                     text->SetAttributes(finalPara->GetAttributes());
+#endif
 
                     finalPara->AppendChild(text);
                 }
@@ -1139,7 +1193,7 @@ bool wxRichTextParagraphLayoutBox::InsertFragment(long position, wxRichTextFragm
 
 /// Make a copy of the fragment corresponding to the given range, putting it in 'fragment'.
 /// If there was an incomplete paragraph at the end, partialParagraph is set to true.
-bool wxRichTextParagraphLayoutBox::CopyFragment(const wxRichTextRange& range, wxRichTextFragment& fragment)
+bool wxRichTextParagraphLayoutBox::CopyFragment(const wxRichTextRange& range, wxRichTextParagraphLayoutBox& fragment)
 {
     wxRichTextObjectList::compatibility_iterator i = GetChildren().GetFirst();
     while (i)
@@ -1385,8 +1439,8 @@ wxString wxRichTextParagraphLayoutBox::GetTextForRange(const wxRichTextRange& ra
         wxRichTextObject* child = node->GetData();
         if (!child->GetRange().IsOutside(range))
         {
-            if (lineCount > 0)
-                text += wxT("\n");
+//            if (lineCount > 0)
+//                text += wxT("\n");
             wxRichTextRange childRange = range;
             childRange.LimitTo(child->GetRange());
 
@@ -1394,6 +1448,9 @@ wxString wxRichTextParagraphLayoutBox::GetTextForRange(const wxRichTextRange& ra
 
             text += childText;
 
+            if (childRange.GetEnd() == child->GetRange().GetEnd())
+                text += wxT("\n");
+
             lineCount ++;
         }
         node = node->GetNext();
@@ -1411,7 +1468,7 @@ wxString wxRichTextParagraphLayoutBox::GetText() const
 /// Get the paragraph by number
 wxRichTextParagraph* wxRichTextParagraphLayoutBox::GetParagraphAtLine(long paragraphNumber) const
 {
-    if ((size_t) paragraphNumber <= GetChildCount())
+    if ((size_t) paragraphNumber >= GetChildCount())
         return NULL;
 
     return (wxRichTextParagraph*) GetChild((size_t) paragraphNumber);
@@ -1499,7 +1556,7 @@ wxRichTextObject* wxRichTextParagraphLayoutBox::GetLeafObjectAtPosition(long pos
 }
 
 /// Set character or paragraph text attributes: apply character styles only to immediate text nodes
-bool wxRichTextParagraphLayoutBox::SetStyle(const wxRichTextRange& range, const wxRichTextAttr& style, bool withUndo)
+bool wxRichTextParagraphLayoutBox::SetStyle(const wxRichTextRange& range, const wxRichTextAttr& style, int flags)
 {
     bool characterStyle = false;
     bool paragraphStyle = false;
@@ -1509,6 +1566,15 @@ bool wxRichTextParagraphLayoutBox::SetStyle(const wxRichTextRange& range, const
     if (style.IsParagraphStyle())
         paragraphStyle = true;
 
+    bool withUndo = ((flags & wxRICHTEXT_SETSTYLE_WITH_UNDO) != 0);
+    bool applyMinimal = ((flags & wxRICHTEXT_SETSTYLE_OPTIMIZE) != 0);
+    bool parasOnly = ((flags & wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY) != 0);
+    bool charactersOnly = ((flags & wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY) != 0);
+
+    // Limit the attributes to be set to the content to only character attributes.
+    wxRichTextAttr characterAttributes(style);
+    characterAttributes.SetFlags(characterAttributes.GetFlags() & (wxTEXT_ATTR_CHARACTER));
+
     // If we are associated with a control, make undoable; otherwise, apply immediately
     // to the data.
 
@@ -1552,10 +1618,35 @@ bool wxRichTextParagraphLayoutBox::SetStyle(const wxRichTextRange& range, const
                 else
                     newPara = para;
 
-                if (paragraphStyle)
-                    wxRichTextApplyStyle(newPara->GetAttributes(), style);
+                if (paragraphStyle && !charactersOnly)
+                {
+                    if (applyMinimal)
+                    {
+                        // Only apply attributes that will make a difference to the combined
+                        // style as seen on the display
+                        wxRichTextAttr combinedAttr(para->GetCombinedAttributes());
+                        wxRichTextApplyStyle(newPara->GetAttributes(), style, & combinedAttr);
+                    }
+                    else
+                        wxRichTextApplyStyle(newPara->GetAttributes(), style);
+                }
+
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+                // If applying paragraph styles dynamically, don't change the text objects' attributes
+                // since they will computed as needed. Only apply the character styling if it's _only_
+                // character styling. This policy is subject to change and might be put under user control.
+
+                // Hm. we might well be applying a mix of paragraph and character styles, in which
+                // case we _do_ want to apply character styles regardless of what para styles are set.
+                // But if we're applying a paragraph style, which has some character attributes, but
+                // we only want the paragraphs to hold this character style, then we _don't_ want to
+                // apply the character style. So we need to be able to choose.
 
+                // if (!paragraphStyle && characterStyle && range.GetStart() != newPara->GetRange().GetEnd())
+                if (!parasOnly && characterStyle && range.GetStart() != newPara->GetRange().GetEnd())
+#else
                 if (characterStyle && range.GetStart() != newPara->GetRange().GetEnd())
+#endif
                 {
                     wxRichTextRange childRange(range);
                     childRange.LimitTo(newPara->GetRange());
@@ -1603,7 +1694,16 @@ bool wxRichTextParagraphLayoutBox::SetStyle(const wxRichTextRange& range, const
                     {
                         wxRichTextObject* child = node2->GetData();
 
-                        wxRichTextApplyStyle(child->GetAttributes(), style);
+                        if (applyMinimal)
+                        {
+                            // Only apply attributes that will make a difference to the combined
+                            // style as seen on the display
+                            wxRichTextAttr combinedAttr(newPara->GetCombinedAttributes(child->GetAttributes()));
+                            wxRichTextApplyStyle(child->GetAttributes(), characterAttributes, & combinedAttr);
+                        }
+                        else
+                            wxRichTextApplyStyle(child->GetAttributes(), characterAttributes);
+
                         if (node2 == lastNode)
                             break;
 
@@ -1624,223 +1724,1126 @@ bool wxRichTextParagraphLayoutBox::SetStyle(const wxRichTextRange& range, const
 }
 
 /// Set text attributes
-bool wxRichTextParagraphLayoutBox::SetStyle(const wxRichTextRange& range, const wxTextAttrEx& style, bool withUndo)
+bool wxRichTextParagraphLayoutBox::SetStyle(const wxRichTextRange& range, const wxTextAttrEx& style, int flags)
 {
     wxRichTextAttr richStyle = style;
-    return SetStyle(range, richStyle, withUndo);
+    return SetStyle(range, richStyle, flags);
 }
 
 /// Get the text attributes for this position.
-bool wxRichTextParagraphLayoutBox::GetStyle(long position, wxTextAttrEx& style) const
+bool wxRichTextParagraphLayoutBox::GetStyle(long position, wxTextAttrEx& style)
 {
-    wxRichTextObject* obj wxDUMMY_INITIALIZE(NULL);
+    return DoGetStyle(position, style, true);
+}
 
-    if (style.IsParagraphStyle())
-        obj = GetParagraphAtPosition(position);
+/// Get the text attributes for this position.
+bool wxRichTextParagraphLayoutBox::GetStyle(long position, wxRichTextAttr& style)
+{
+    wxTextAttrEx textAttrEx(style);
+    if (GetStyle(position, textAttrEx))
+    {
+        style = textAttrEx;
+        return true;
+    }
     else
-        obj = GetLeafObjectAtPosition(position);
+        return false;
+}
+
+/// Get the content (uncombined) attributes for this position.
+bool wxRichTextParagraphLayoutBox::GetUncombinedStyle(long position, wxTextAttrEx& style)
+{
+    return DoGetStyle(position, style, false);
+}
 
-    if (obj)
+bool wxRichTextParagraphLayoutBox::GetUncombinedStyle(long position, wxRichTextAttr& style)
+{
+    wxTextAttrEx textAttrEx(style);
+    if (GetUncombinedStyle(position, textAttrEx))
     {
-        style = obj->GetAttributes();
+        style = textAttrEx;
         return true;
     }
     else
         return false;
 }
 
-/// Get the text attributes for this position.
-bool wxRichTextParagraphLayoutBox::GetStyle(long position, wxRichTextAttr& style) const
+/// Implementation helper for GetStyle. If combineStyles is true, combine base, paragraph and
+/// context attributes.
+bool wxRichTextParagraphLayoutBox::DoGetStyle(long position, wxTextAttrEx& style, bool combineStyles)
 {
     wxRichTextObject* obj wxDUMMY_INITIALIZE(NULL);
 
     if (style.IsParagraphStyle())
+    {
         obj = GetParagraphAtPosition(position);
-    else
-        obj = GetLeafObjectAtPosition(position);
+        if (obj)
+        {
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+            if (combineStyles)
+            {
+                // Start with the base style
+                style = GetAttributes();
 
-    if (obj)
-    {
-        style = obj->GetAttributes();
-        return true;
+                // Apply the paragraph style
+                wxRichTextApplyStyle(style, obj->GetAttributes());
+            }
+            else
+                style = obj->GetAttributes();
+#else
+            style = obj->GetAttributes();
+#endif
+            return true;
+        }
     }
     else
-        return false;
+    {
+        obj = GetLeafObjectAtPosition(position);
+        if (obj)
+        {
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+            if (combineStyles)
+            {
+                wxRichTextParagraph* para = wxDynamicCast(obj->GetParent(), wxRichTextParagraph);
+                style = para ? para->GetCombinedAttributes(obj->GetAttributes()) : obj->GetAttributes();
+            }
+            else
+                style = obj->GetAttributes();
+#else
+            style = obj->GetAttributes();
+#endif
+            return true;
+        }
+    }
+    return false;
 }
 
-/// Set default style
-bool wxRichTextParagraphLayoutBox::SetDefaultStyle(const wxTextAttrEx& style)
+static bool wxHasStyle(long flags, long style)
 {
-    m_defaultAttributes = style;
-
-    return true;
+    return (flags & style) != 0;
 }
 
-/// Test if this whole range has character attributes of the specified kind. If any
-/// of the attributes are different within the range, the test fails. You
-/// can use this to implement, for example, bold button updating. style must have
-/// flags indicating which attributes are of interest.
-bool wxRichTextParagraphLayoutBox::HasCharacterAttributes(const wxRichTextRange& range, const wxRichTextAttr& style) const
+/// Combines 'style' with 'currentStyle' for the purpose of summarising the attributes of a range of
+/// content.
+bool wxRichTextParagraphLayoutBox::CollectStyle(wxTextAttrEx& currentStyle, const wxTextAttrEx& style, long& multipleStyleAttributes)
 {
-    int foundCount = 0;
-    int matchingCount = 0;
-
-    wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
-    while (node)
+    if (style.HasFont())
     {
-        wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
-        wxASSERT (para != NULL);
+        if (style.HasSize() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_FONT_SIZE))
+        {
+            if (currentStyle.GetFont().Ok() && currentStyle.HasSize())
+            {
+                if (currentStyle.GetFont().GetPointSize() != style.GetFont().GetPointSize())
+                {
+                    // Clash of style - mark as such
+                    multipleStyleAttributes |= wxTEXT_ATTR_FONT_SIZE;
+                    currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_FONT_SIZE);
+                }
+            }
+            else
+            {
+                if (!currentStyle.GetFont().Ok())
+                    wxSetFontPreservingStyles(currentStyle, *wxNORMAL_FONT);
+                wxFont font(currentStyle.GetFont());
+                font.SetPointSize(style.GetFont().GetPointSize());
 
-        if (para)
+                wxSetFontPreservingStyles(currentStyle, font);
+                currentStyle.SetFlags(currentStyle.GetFlags() | wxTEXT_ATTR_FONT_SIZE);
+            }
+        }
+
+        if (style.HasItalic() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_FONT_ITALIC))
         {
-            // Stop searching if we're beyond the range of interest
-            if (para->GetRange().GetStart() > range.GetEnd())
-                return foundCount == matchingCount;
+            if (currentStyle.GetFont().Ok() && currentStyle.HasItalic())
+            {
+                if (currentStyle.GetFont().GetStyle() != style.GetFont().GetStyle())
+                {
+                    // Clash of style - mark as such
+                    multipleStyleAttributes |= wxTEXT_ATTR_FONT_ITALIC;
+                    currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_FONT_ITALIC);
+                }
+            }
+            else
+            {
+                if (!currentStyle.GetFont().Ok())
+                    wxSetFontPreservingStyles(currentStyle, *wxNORMAL_FONT);
+                wxFont font(currentStyle.GetFont());
+                font.SetStyle(style.GetFont().GetStyle());
+                wxSetFontPreservingStyles(currentStyle, font);
+                currentStyle.SetFlags(currentStyle.GetFlags() | wxTEXT_ATTR_FONT_ITALIC);
+            }
+        }
 
-            if (!para->GetRange().IsOutside(range))
+        if (style.HasWeight() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_FONT_WEIGHT))
+        {
+            if (currentStyle.GetFont().Ok() && currentStyle.HasWeight())
             {
-                wxRichTextObjectList::compatibility_iterator node2 = para->GetChildren().GetFirst();
+                if (currentStyle.GetFont().GetWeight() != style.GetFont().GetWeight())
+                {
+                    // Clash of style - mark as such
+                    multipleStyleAttributes |= wxTEXT_ATTR_FONT_WEIGHT;
+                    currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_FONT_WEIGHT);
+                }
+            }
+            else
+            {
+                if (!currentStyle.GetFont().Ok())
+                    wxSetFontPreservingStyles(currentStyle, *wxNORMAL_FONT);
+                wxFont font(currentStyle.GetFont());
+                font.SetWeight(style.GetFont().GetWeight());
+                wxSetFontPreservingStyles(currentStyle, font);
+                currentStyle.SetFlags(currentStyle.GetFlags() | wxTEXT_ATTR_FONT_WEIGHT);
+            }
+        }
 
-                while (node2)
+        if (style.HasFaceName() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_FONT_FACE))
+        {
+            if (currentStyle.GetFont().Ok() && currentStyle.HasFaceName())
+            {
+                wxString faceName1(currentStyle.GetFont().GetFaceName());
+                wxString faceName2(style.GetFont().GetFaceName());
+
+                if (faceName1 != faceName2)
                 {
-                    wxRichTextObject* child = node2->GetData();
-                    if (!child->GetRange().IsOutside(range) && child->IsKindOf(CLASSINFO(wxRichTextPlainText)))
-                    {
-                        foundCount ++;
-                        if (wxTextAttrEqPartial(child->GetAttributes(), style, style.GetFlags()))
-                            matchingCount ++;
-                    }
+                    // Clash of style - mark as such
+                    multipleStyleAttributes |= wxTEXT_ATTR_FONT_FACE;
+                    currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_FONT_FACE);
+                }
+            }
+            else
+            {
+                if (!currentStyle.GetFont().Ok())
+                    wxSetFontPreservingStyles(currentStyle, *wxNORMAL_FONT);
+                wxFont font(currentStyle.GetFont());
+                font.SetFaceName(style.GetFont().GetFaceName());
+                wxSetFontPreservingStyles(currentStyle, font);
+                currentStyle.SetFlags(currentStyle.GetFlags() | wxTEXT_ATTR_FONT_FACE);
+            }
+        }
 
-                    node2 = node2->GetNext();
+        if (style.HasUnderlined() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_FONT_UNDERLINE))
+        {
+            if (currentStyle.GetFont().Ok() && currentStyle.HasUnderlined())
+            {
+                if (currentStyle.GetFont().GetUnderlined() != style.GetFont().GetUnderlined())
+                {
+                    // Clash of style - mark as such
+                    multipleStyleAttributes |= wxTEXT_ATTR_FONT_UNDERLINE;
+                    currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_FONT_UNDERLINE);
                 }
             }
+            else
+            {
+                if (!currentStyle.GetFont().Ok())
+                    wxSetFontPreservingStyles(currentStyle, *wxNORMAL_FONT);
+                wxFont font(currentStyle.GetFont());
+                font.SetUnderlined(style.GetFont().GetUnderlined());
+                wxSetFontPreservingStyles(currentStyle, font);
+                currentStyle.SetFlags(currentStyle.GetFlags() | wxTEXT_ATTR_FONT_UNDERLINE);
+            }
         }
+    }
 
-        node = node->GetNext();
+    if (style.HasTextColour() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_TEXT_COLOUR))
+    {
+        if (currentStyle.HasTextColour())
+        {
+            if (currentStyle.GetTextColour() != style.GetTextColour())
+            {
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_TEXT_COLOUR;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_TEXT_COLOUR);
+            }
+        }
+        else
+            currentStyle.SetTextColour(style.GetTextColour());
     }
 
-    return foundCount == matchingCount;
-}
+    if (style.HasBackgroundColour() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_BACKGROUND_COLOUR))
+    {
+        if (currentStyle.HasBackgroundColour())
+        {
+            if (currentStyle.GetBackgroundColour() != style.GetBackgroundColour())
+            {
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_BACKGROUND_COLOUR;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_BACKGROUND_COLOUR);
+            }
+        }
+        else
+            currentStyle.SetBackgroundColour(style.GetBackgroundColour());
+    }
 
-bool wxRichTextParagraphLayoutBox::HasCharacterAttributes(const wxRichTextRange& range, const wxTextAttrEx& style) const
-{
-    wxRichTextAttr richStyle = style;
-    return HasCharacterAttributes(range, richStyle);
-}
+    if (style.HasAlignment() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_ALIGNMENT))
+    {
+        if (currentStyle.HasAlignment())
+        {
+            if (currentStyle.GetAlignment() != style.GetAlignment())
+            {
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_ALIGNMENT;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_ALIGNMENT);
+            }
+        }
+        else
+            currentStyle.SetAlignment(style.GetAlignment());
+    }
 
-/// Test if this whole range has paragraph attributes of the specified kind. If any
-/// of the attributes are different within the range, the test fails. You
-/// can use this to implement, for example, centering button updating. style must have
-/// flags indicating which attributes are of interest.
-bool wxRichTextParagraphLayoutBox::HasParagraphAttributes(const wxRichTextRange& range, const wxRichTextAttr& style) const
-{
-    int foundCount = 0;
-    int matchingCount = 0;
+    if (style.HasTabs() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_TABS))
+    {
+        if (currentStyle.HasTabs())
+        {
+            if (!wxRichTextTabsEq(currentStyle.GetTabs(), style.GetTabs()))
+            {
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_TABS;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_TABS);
+            }
+        }
+        else
+            currentStyle.SetTabs(style.GetTabs());
+    }
 
-    wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
-    while (node)
+    if (style.HasLeftIndent() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_LEFT_INDENT))
     {
-        wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
-        wxASSERT (para != NULL);
+        if (currentStyle.HasLeftIndent())
+        {
+            if (currentStyle.GetLeftIndent() != style.GetLeftIndent() || currentStyle.GetLeftSubIndent() != style.GetLeftSubIndent())
+            {
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_LEFT_INDENT;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_LEFT_INDENT);
+            }
+        }
+        else
+            currentStyle.SetLeftIndent(style.GetLeftIndent(), style.GetLeftSubIndent());
+    }
 
-        if (para)
+    if (style.HasRightIndent() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_RIGHT_INDENT))
+    {
+        if (currentStyle.HasRightIndent())
         {
-            // Stop searching if we're beyond the range of interest
-            if (para->GetRange().GetStart() > range.GetEnd())
-                return foundCount == matchingCount;
+            if (currentStyle.GetRightIndent() != style.GetRightIndent())
+            {
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_RIGHT_INDENT;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_RIGHT_INDENT);
+            }
+        }
+        else
+            currentStyle.SetRightIndent(style.GetRightIndent());
+    }
 
-            if (!para->GetRange().IsOutside(range))
+    if (style.HasParagraphSpacingAfter() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_PARA_SPACING_AFTER))
+    {
+        if (currentStyle.HasParagraphSpacingAfter())
+        {
+            if (currentStyle.HasParagraphSpacingAfter() != style.HasParagraphSpacingAfter())
             {
-                foundCount ++;
-                if (wxTextAttrEqPartial(para->GetAttributes(), style, style.GetFlags()))
-                    matchingCount ++;
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_PARA_SPACING_AFTER;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_PARA_SPACING_AFTER);
             }
         }
+        else
+            currentStyle.SetParagraphSpacingAfter(style.GetParagraphSpacingAfter());
+    }
 
-        node = node->GetNext();
+    if (style.HasParagraphSpacingBefore() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_PARA_SPACING_BEFORE))
+    {
+        if (currentStyle.HasParagraphSpacingBefore())
+        {
+            if (currentStyle.HasParagraphSpacingBefore() != style.HasParagraphSpacingBefore())
+            {
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_PARA_SPACING_BEFORE;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_PARA_SPACING_BEFORE);
+            }
+        }
+        else
+            currentStyle.SetParagraphSpacingBefore(style.GetParagraphSpacingBefore());
     }
-    return foundCount == matchingCount;
-}
 
-bool wxRichTextParagraphLayoutBox::HasParagraphAttributes(const wxRichTextRange& range, const wxTextAttrEx& style) const
-{
-    wxRichTextAttr richStyle = style;
-    return HasParagraphAttributes(range, richStyle);
-}
+    if (style.HasLineSpacing() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_LINE_SPACING))
+    {
+        if (currentStyle.HasLineSpacing())
+        {
+            if (currentStyle.HasLineSpacing() != style.HasLineSpacing())
+            {
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_LINE_SPACING;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_LINE_SPACING);
+            }
+        }
+        else
+            currentStyle.SetLineSpacing(style.GetLineSpacing());
+    }
 
-void wxRichTextParagraphLayoutBox::Clear()
-{
-    DeleteChildren();
+    if (style.HasCharacterStyleName() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_CHARACTER_STYLE_NAME))
+    {
+        if (currentStyle.HasCharacterStyleName())
+        {
+            if (currentStyle.HasCharacterStyleName() != style.HasCharacterStyleName())
+            {
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_CHARACTER_STYLE_NAME;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_CHARACTER_STYLE_NAME);
+            }
+        }
+        else
+            currentStyle.SetCharacterStyleName(style.GetCharacterStyleName());
+    }
+
+    if (style.HasParagraphStyleName() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_PARAGRAPH_STYLE_NAME))
+    {
+        if (currentStyle.HasParagraphStyleName())
+        {
+            if (currentStyle.HasParagraphStyleName() != style.HasParagraphStyleName())
+            {
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_PARAGRAPH_STYLE_NAME;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_PARAGRAPH_STYLE_NAME);
+            }
+        }
+        else
+            currentStyle.SetParagraphStyleName(style.GetParagraphStyleName());
+    }
+
+    if (style.HasListStyleName() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_LIST_STYLE_NAME))
+    {
+        if (currentStyle.HasListStyleName())
+        {
+            if (currentStyle.HasListStyleName() != style.HasListStyleName())
+            {
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_LIST_STYLE_NAME;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_LIST_STYLE_NAME);
+            }
+        }
+        else
+            currentStyle.SetListStyleName(style.GetListStyleName());
+    }
+
+    if (style.HasBulletStyle() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_BULLET_STYLE))
+    {
+        if (currentStyle.HasBulletStyle())
+        {
+            if (currentStyle.HasBulletStyle() != style.HasBulletStyle())
+            {
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_BULLET_STYLE;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_BULLET_STYLE);
+            }
+        }
+        else
+            currentStyle.SetBulletStyle(style.GetBulletStyle());
+    }
+
+    if (style.HasBulletNumber() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_BULLET_NUMBER))
+    {
+        if (currentStyle.HasBulletNumber())
+        {
+            if (currentStyle.HasBulletNumber() != style.HasBulletNumber())
+            {
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_BULLET_NUMBER;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_BULLET_NUMBER);
+            }
+        }
+        else
+            currentStyle.SetBulletNumber(style.GetBulletNumber());
+    }
+
+    if (style.HasBulletSymbol() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_BULLET_SYMBOL))
+    {
+        if (currentStyle.HasBulletSymbol())
+        {
+            if (currentStyle.HasBulletSymbol() != style.HasBulletSymbol())
+            {
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_BULLET_SYMBOL;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_BULLET_SYMBOL);
+            }
+        }
+        else
+        {
+            currentStyle.SetBulletSymbol(style.GetBulletSymbol());
+            currentStyle.SetBulletFont(style.GetBulletFont());
+        }
+    }
+
+    if (style.HasBulletName() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_BULLET_NAME))
+    {
+        if (currentStyle.HasBulletName())
+        {
+            if (currentStyle.HasBulletName() != style.HasBulletName())
+            {
+                // Clash of style - mark as such
+                multipleStyleAttributes |= wxTEXT_ATTR_BULLET_NAME;
+                currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_BULLET_NAME);
+            }
+        }
+        else
+        {
+            currentStyle.SetBulletName(style.GetBulletName());
+        }
+    }
+
+    return true;
+}
+
+/// Get the combined style for a range - if any attribute is different within the range,
+/// that attribute is not present within the flags.
+/// *** Note that this is not recursive, and so assumes that content inside a paragraph is not itself
+/// nested.
+bool wxRichTextParagraphLayoutBox::GetStyleForRange(const wxRichTextRange& range, wxTextAttrEx& style)
+{
+    style = wxTextAttrEx();
+
+    // The attributes that aren't valid because of multiple styles within the range
+    long multipleStyleAttributes = 0;
+
+    wxRichTextObjectList::compatibility_iterator node = GetChildren().GetFirst();
+    while (node)
+    {
+        wxRichTextParagraph* para = (wxRichTextParagraph*) node->GetData();
+        if (!(para->GetRange().GetStart() > range.GetEnd() || para->GetRange().GetEnd() < range.GetStart()))
+        {
+            if (para->GetChildren().GetCount() == 0)
+            {
+                wxTextAttrEx paraStyle = para->GetCombinedAttributes();
+
+                CollectStyle(style, paraStyle, multipleStyleAttributes);
+            }
+            else
+            {
+                wxRichTextRange paraRange(para->GetRange());
+                paraRange.LimitTo(range);
+
+                // First collect paragraph attributes only
+                wxTextAttrEx paraStyle = para->GetCombinedAttributes();
+                paraStyle.SetFlags(paraStyle.GetFlags() & wxTEXT_ATTR_PARAGRAPH);
+                CollectStyle(style, paraStyle, multipleStyleAttributes);
+
+                wxRichTextObjectList::compatibility_iterator childNode = para->GetChildren().GetFirst();
+
+                while (childNode)
+                {
+                    wxRichTextObject* child = childNode->GetData();
+                    if (!(child->GetRange().GetStart() > range.GetEnd() || child->GetRange().GetEnd() < range.GetStart()))
+                    {
+                        wxTextAttrEx childStyle = para->GetCombinedAttributes(child->GetAttributes());
+
+                        // Now collect character attributes only
+                        childStyle.SetFlags(childStyle.GetFlags() & wxTEXT_ATTR_CHARACTER);
+
+                        CollectStyle(style, childStyle, multipleStyleAttributes);
+                    }
+
+                    childNode = childNode->GetNext();
+                }
+            }
+        }
+        node = node->GetNext();
+    }
+    return true;
+}
+
+/// Set default style
+bool wxRichTextParagraphLayoutBox::SetDefaultStyle(const wxTextAttrEx& style)
+{
+    // I don't think the default style should be combined with the previous
+    // default style.
+    m_defaultAttributes = style;
+
+#if 0
+    // keep the old attributes if the new style doesn't specify them unless the
+    // new style is empty - then reset m_defaultStyle (as there is no other way
+    // to do it)
+    if ( style.IsDefault() )
+        m_defaultAttributes = style;
+    else
+        m_defaultAttributes = wxTextAttrEx::CombineEx(style, m_defaultAttributes, NULL);
+#endif
+    return true;
+}
+
+/// Test if this whole range has character attributes of the specified kind. If any
+/// of the attributes are different within the range, the test fails. You
+/// can use this to implement, for example, bold button updating. style must have
+/// flags indicating which attributes are of interest.
+bool wxRichTextParagraphLayoutBox::HasCharacterAttributes(const wxRichTextRange& range, const wxRichTextAttr& style) const
+{
+    int foundCount = 0;
+    int matchingCount = 0;
+
+    wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+    while (node)
+    {
+        wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+        wxASSERT (para != NULL);
+
+        if (para)
+        {
+            // Stop searching if we're beyond the range of interest
+            if (para->GetRange().GetStart() > range.GetEnd())
+                return foundCount == matchingCount;
+
+            if (!para->GetRange().IsOutside(range))
+            {
+                wxRichTextObjectList::compatibility_iterator node2 = para->GetChildren().GetFirst();
+
+                while (node2)
+                {
+                    wxRichTextObject* child = node2->GetData();
+                    if (!child->GetRange().IsOutside(range) && child->IsKindOf(CLASSINFO(wxRichTextPlainText)))
+                    {
+                        foundCount ++;
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+                        wxTextAttrEx textAttr = para->GetCombinedAttributes(child->GetAttributes());
+#else
+                        const wxTextAttrEx& textAttr = child->GetAttributes();
+#endif
+                        if (wxTextAttrEqPartial(textAttr, style, style.GetFlags()))
+                            matchingCount ++;
+                    }
+
+                    node2 = node2->GetNext();
+                }
+            }
+        }
+
+        node = node->GetNext();
+    }
+
+    return foundCount == matchingCount;
+}
+
+bool wxRichTextParagraphLayoutBox::HasCharacterAttributes(const wxRichTextRange& range, const wxTextAttrEx& style) const
+{
+    wxRichTextAttr richStyle = style;
+    return HasCharacterAttributes(range, richStyle);
+}
+
+/// Test if this whole range has paragraph attributes of the specified kind. If any
+/// of the attributes are different within the range, the test fails. You
+/// can use this to implement, for example, centering button updating. style must have
+/// flags indicating which attributes are of interest.
+bool wxRichTextParagraphLayoutBox::HasParagraphAttributes(const wxRichTextRange& range, const wxRichTextAttr& style) const
+{
+    int foundCount = 0;
+    int matchingCount = 0;
+
+    wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+    while (node)
+    {
+        wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+        wxASSERT (para != NULL);
+
+        if (para)
+        {
+            // Stop searching if we're beyond the range of interest
+            if (para->GetRange().GetStart() > range.GetEnd())
+                return foundCount == matchingCount;
+
+            if (!para->GetRange().IsOutside(range))
+            {
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+                wxTextAttrEx textAttr = GetAttributes();
+                // Apply the paragraph style
+                wxRichTextApplyStyle(textAttr, para->GetAttributes());
+
+#else
+                const wxTextAttrEx& textAttr = para->GetAttributes();
+#endif
+                foundCount ++;
+                if (wxTextAttrEqPartial(textAttr, style, style.GetFlags()))
+                    matchingCount ++;
+            }
+        }
+
+        node = node->GetNext();
+    }
+    return foundCount == matchingCount;
+}
+
+bool wxRichTextParagraphLayoutBox::HasParagraphAttributes(const wxRichTextRange& range, const wxTextAttrEx& style) const
+{
+    wxRichTextAttr richStyle = style;
+    return HasParagraphAttributes(range, richStyle);
+}
+
+void wxRichTextParagraphLayoutBox::Clear()
+{
+    DeleteChildren();
 }
 
 void wxRichTextParagraphLayoutBox::Reset()
 {
     Clear();
 
-    AddParagraph(wxEmptyString);
-}
+    AddParagraph(wxEmptyString);
+}
+
+/// Invalidate the buffer. With no argument, invalidates whole buffer.
+void wxRichTextParagraphLayoutBox::Invalidate(const wxRichTextRange& invalidRange)
+{
+    SetDirty(true);
+
+    if (invalidRange == wxRICHTEXT_ALL)
+    {
+        m_invalidRange = wxRICHTEXT_ALL;
+        return;
+    }
+
+    // Already invalidating everything
+    if (m_invalidRange == wxRICHTEXT_ALL)
+        return;
+
+    if ((invalidRange.GetStart() < m_invalidRange.GetStart()) || m_invalidRange.GetStart() == -1)
+        m_invalidRange.SetStart(invalidRange.GetStart());
+    if (invalidRange.GetEnd() > m_invalidRange.GetEnd())
+        m_invalidRange.SetEnd(invalidRange.GetEnd());
+}
+
+/// Get invalid range, rounding to entire paragraphs if argument is true.
+wxRichTextRange wxRichTextParagraphLayoutBox::GetInvalidRange(bool wholeParagraphs) const
+{
+    if (m_invalidRange == wxRICHTEXT_ALL || m_invalidRange == wxRICHTEXT_NONE)
+        return m_invalidRange;
+
+    wxRichTextRange range = m_invalidRange;
+
+    if (wholeParagraphs)
+    {
+        wxRichTextParagraph* para1 = GetParagraphAtPosition(range.GetStart());
+        wxRichTextParagraph* para2 = GetParagraphAtPosition(range.GetEnd());
+        if (para1)
+            range.SetStart(para1->GetRange().GetStart());
+        if (para2)
+            range.SetEnd(para2->GetRange().GetEnd());
+    }
+    return range;
+}
+
+/// Apply the style sheet to the buffer, for example if the styles have changed.
+bool wxRichTextParagraphLayoutBox::ApplyStyleSheet(wxRichTextStyleSheet* styleSheet)
+{
+    wxASSERT(styleSheet != NULL);
+    if (!styleSheet)
+        return false;
+
+    int foundCount = 0;
+
+    wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+    while (node)
+    {
+        wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+        wxASSERT (para != NULL);
+
+        if (para)
+        {
+            // Combine paragraph and list styles. If there is a list style in the original attributes,
+            // the current indentation overrides anything else and is used to find the item indentation.
+            // Also, for applying paragraph styles, consider having 2 modes: (1) we merge with what we have,
+            // thereby taking into account all user changes, (2) reset the style completely (except for indentation/list
+            // exception as above).
+            // Problem: when changing from one list style to another, there's a danger that the level info will get lost.
+            // So when changing a list style interactively, could retrieve level based on current style, then
+            // set appropriate indent and apply new style.
+
+            if (!para->GetAttributes().GetParagraphStyleName().IsEmpty() && !para->GetAttributes().GetListStyleName().IsEmpty())
+            {
+                int currentIndent = para->GetAttributes().GetLeftIndent();
+
+                wxRichTextParagraphStyleDefinition* paraDef = styleSheet->FindParagraphStyle(para->GetAttributes().GetParagraphStyleName());
+                wxRichTextListStyleDefinition* listDef = styleSheet->FindListStyle(para->GetAttributes().GetListStyleName());
+                if (paraDef && !listDef)
+                {
+                    para->GetAttributes() = paraDef->GetStyle();
+                    foundCount ++;
+                }
+                else if (listDef && !paraDef)
+                {
+                    // Set overall style defined for the list style definition
+                    para->GetAttributes() = listDef->GetStyle();
+
+                    // Apply the style for this level
+                    wxRichTextApplyStyle(para->GetAttributes(), * listDef->GetLevelAttributes(listDef->FindLevelForIndent(currentIndent)));
+                    foundCount ++;
+                }
+                else if (listDef && paraDef)
+                {
+                    // Combines overall list style, style for level, and paragraph style
+                    para->GetAttributes() = listDef->CombineWithParagraphStyle(currentIndent, paraDef->GetStyle());
+                    foundCount ++;
+                }
+            }
+            else if (para->GetAttributes().GetParagraphStyleName().IsEmpty() && !para->GetAttributes().GetListStyleName().IsEmpty())
+            {
+                int currentIndent = para->GetAttributes().GetLeftIndent();
+
+                wxRichTextListStyleDefinition* listDef = styleSheet->FindListStyle(para->GetAttributes().GetListStyleName());
+
+                // Overall list definition style
+                para->GetAttributes() = listDef->GetStyle();
+
+                // Style for this level
+                wxRichTextApplyStyle(para->GetAttributes(), * listDef->GetLevelAttributes(listDef->FindLevelForIndent(currentIndent)));
+
+                foundCount ++;
+            }
+            else if (!para->GetAttributes().GetParagraphStyleName().IsEmpty() && para->GetAttributes().GetListStyleName().IsEmpty())
+            {
+                wxRichTextParagraphStyleDefinition* def = styleSheet->FindParagraphStyle(para->GetAttributes().GetParagraphStyleName());
+                if (def)
+                {
+                    para->GetAttributes() = def->GetStyle();
+                    foundCount ++;
+                }
+            }
+        }
+
+        node = node->GetNext();
+    }
+    return foundCount != 0;
+}
+
+/// Set list style
+bool wxRichTextParagraphLayoutBox::SetListStyle(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel)
+{
+    bool withUndo = ((flags & wxRICHTEXT_SETSTYLE_WITH_UNDO) != 0);
+    // bool applyMinimal = ((flags & wxRICHTEXT_SETSTYLE_OPTIMIZE) != 0);
+    bool specifyLevel = ((flags & wxRICHTEXT_SETSTYLE_SPECIFY_LEVEL) != 0);
+    bool renumber = ((flags & wxRICHTEXT_SETSTYLE_RENUMBER) != 0);
+
+    // Current number, if numbering
+    int n = startFrom;
+
+    wxASSERT (!specifyLevel || (specifyLevel && (specifiedLevel >= 0)));
+
+    // If we are associated with a control, make undoable; otherwise, apply immediately
+    // to the data.
+
+    bool haveControl = (GetRichTextCtrl() != NULL);
+
+    wxRichTextAction* action = NULL;
+
+    if (haveControl && withUndo)
+    {
+        action = new wxRichTextAction(NULL, _("Change List Style"), wxRICHTEXT_CHANGE_STYLE, & GetRichTextCtrl()->GetBuffer(), GetRichTextCtrl());
+        action->SetRange(range);
+        action->SetPosition(GetRichTextCtrl()->GetCaretPosition());
+    }
+
+    wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+    while (node)
+    {
+        wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+        wxASSERT (para != NULL);
+
+        if (para && para->GetChildCount() > 0)
+        {
+            // Stop searching if we're beyond the range of interest
+            if (para->GetRange().GetStart() > range.GetEnd())
+                break;
+
+            if (!para->GetRange().IsOutside(range))
+            {
+                // We'll be using a copy of the paragraph to make style changes,
+                // not updating the buffer directly.
+                wxRichTextParagraph* newPara wxDUMMY_INITIALIZE(NULL);
+
+                if (haveControl && withUndo)
+                {
+                    newPara = new wxRichTextParagraph(*para);
+                    action->GetNewParagraphs().AppendChild(newPara);
+
+                    // Also store the old ones for Undo
+                    action->GetOldParagraphs().AppendChild(new wxRichTextParagraph(*para));
+                }
+                else
+                    newPara = para;
+
+                if (def)
+                {
+                    int thisIndent = newPara->GetAttributes().GetLeftIndent();
+                    int thisLevel = specifyLevel ? specifiedLevel : def->FindLevelForIndent(thisIndent);
+
+                    // How is numbering going to work?
+                    // If we are renumbering, or numbering for the first time, we need to keep
+                    // track of the number for each level. But we might be simply applying a different
+                    // list style.
+                    // In Word, applying a style to several paragraphs, even if at different levels,
+                    // reverts the level back to the same one. So we could do the same here.
+                    // Renumbering will need to be done when we promote/demote a paragraph.
+
+                    // Apply the overall list style, and item style for this level
+                    wxTextAttrEx listStyle(def->GetCombinedStyleForLevel(thisLevel));
+                    wxRichTextApplyStyle(newPara->GetAttributes(), listStyle);
+
+                    // Now we need to check numbering
+                    if (renumber)
+                    {
+                        newPara->GetAttributes().SetBulletNumber(n);
+                    }
+
+                    n ++;
+                }
+                else if (!newPara->GetAttributes().GetListStyleName().IsEmpty())
+                {
+                    // if def is NULL, remove list style, applying any associated paragraph style
+                    // to restore the attributes
+
+                    newPara->GetAttributes().SetListStyleName(wxEmptyString);
+                    newPara->GetAttributes().SetLeftIndent(0, 0);
+
+                    // Eliminate the main list-related attributes
+                    newPara->GetAttributes().SetFlags(newPara->GetAttributes().GetFlags() & ~wxTEXT_ATTR_LEFT_INDENT & ~wxTEXT_ATTR_BULLET_STYLE & ~wxTEXT_ATTR_BULLET_NUMBER & ~wxTEXT_ATTR_BULLET_SYMBOL & wxTEXT_ATTR_LIST_STYLE_NAME);
+
+                    wxRichTextStyleSheet* styleSheet = GetStyleSheet();
+                    if (styleSheet && !newPara->GetAttributes().GetParagraphStyleName().IsEmpty())
+                    {
+                        wxRichTextParagraphStyleDefinition* def = styleSheet->FindParagraphStyle(newPara->GetAttributes().GetParagraphStyleName());
+                        if (def)
+                        {
+                            newPara->GetAttributes() = def->GetStyle();
+                        }
+                    }
+                }
+            }
+        }
+
+        node = node->GetNext();
+    }
+
+    // Do action, or delay it until end of batch.
+    if (haveControl && withUndo)
+        GetRichTextCtrl()->GetBuffer().SubmitAction(action);
+
+    return true;
+}
+
+bool wxRichTextParagraphLayoutBox::SetListStyle(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel)
+{
+    if (GetStyleSheet())
+    {
+        wxRichTextListStyleDefinition* def = GetStyleSheet()->FindListStyle(defName);
+        if (def)
+            return SetListStyle(range, def, flags, startFrom, specifiedLevel);
+    }
+    return false;
+}
+
+/// Clear list for given range
+bool wxRichTextParagraphLayoutBox::ClearListStyle(const wxRichTextRange& range, int flags)
+{
+    return SetListStyle(range, NULL, flags);
+}
+
+/// Number/renumber any list elements in the given range
+bool wxRichTextParagraphLayoutBox::NumberList(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel)
+{
+    return DoNumberList(range, range, 0, def, flags, startFrom, specifiedLevel);
+}
+
+/// Number/renumber any list elements in the given range. Also do promotion or demotion of items, if specified
+bool wxRichTextParagraphLayoutBox::DoNumberList(const wxRichTextRange& range, const wxRichTextRange& promotionRange, int promoteBy,
+                                                wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel)
+{
+    bool withUndo = ((flags & wxRICHTEXT_SETSTYLE_WITH_UNDO) != 0);
+    // bool applyMinimal = ((flags & wxRICHTEXT_SETSTYLE_OPTIMIZE) != 0);
+    bool specifyLevel = ((flags & wxRICHTEXT_SETSTYLE_SPECIFY_LEVEL) != 0);
+
+    bool renumber = ((flags & wxRICHTEXT_SETSTYLE_RENUMBER) != 0);
+
+    // Max number of levels
+    const int maxLevels = 10;
+
+    // The level we're looking at now
+    int currentLevel = -1;
+
+    // The item number for each level
+    int levels[maxLevels];
+    int i;
+
+    // Reset all numbering
+    for (i = 0; i < maxLevels; i++)
+    {
+        if (startFrom != -1)
+            levels[i] = startFrom;
+        else if (renumber) // start again
+            levels[i] = 1;
+        else
+            levels[i] = -1; // start from the number we found, if any
+    }
+
+    wxASSERT(!specifyLevel || (specifyLevel && (specifiedLevel >= 0)));
+
+    // If we are associated with a control, make undoable; otherwise, apply immediately
+    // to the data.
+
+    bool haveControl = (GetRichTextCtrl() != NULL);
 
-/// Invalidate the buffer. With no argument, invalidates whole buffer.
-void wxRichTextParagraphLayoutBox::Invalidate(const wxRichTextRange& invalidRange)
-{
-    SetDirty(true);
+    wxRichTextAction* action = NULL;
 
-    if (invalidRange == wxRICHTEXT_ALL)
+    if (haveControl && withUndo)
     {
-        m_invalidRange = wxRICHTEXT_ALL;
-        return;
+        action = new wxRichTextAction(NULL, _("Renumber List"), wxRICHTEXT_CHANGE_STYLE, & GetRichTextCtrl()->GetBuffer(), GetRichTextCtrl());
+        action->SetRange(range);
+        action->SetPosition(GetRichTextCtrl()->GetCaretPosition());
     }
 
-    // Already invalidating everything
-    if (m_invalidRange == wxRICHTEXT_ALL)
-        return;
+    wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+    while (node)
+    {
+        wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+        wxASSERT (para != NULL);
 
-    if ((invalidRange.GetStart() < m_invalidRange.GetStart()) || m_invalidRange.GetStart() == -1)
-        m_invalidRange.SetStart(invalidRange.GetStart());
-    if (invalidRange.GetEnd() > m_invalidRange.GetEnd())
-        m_invalidRange.SetEnd(invalidRange.GetEnd());
-}
+        if (para && para->GetChildCount() > 0)
+        {
+            // Stop searching if we're beyond the range of interest
+            if (para->GetRange().GetStart() > range.GetEnd())
+                break;
 
-/// Get invalid range, rounding to entire paragraphs if argument is true.
-wxRichTextRange wxRichTextParagraphLayoutBox::GetInvalidRange(bool wholeParagraphs) const
-{
-    if (m_invalidRange == wxRICHTEXT_ALL || m_invalidRange == wxRICHTEXT_NONE)
-        return m_invalidRange;
+            if (!para->GetRange().IsOutside(range))
+            {
+                // We'll be using a copy of the paragraph to make style changes,
+                // not updating the buffer directly.
+                wxRichTextParagraph* newPara wxDUMMY_INITIALIZE(NULL);
 
-    wxRichTextRange range = m_invalidRange;
+                if (haveControl && withUndo)
+                {
+                    newPara = new wxRichTextParagraph(*para);
+                    action->GetNewParagraphs().AppendChild(newPara);
 
-    if (wholeParagraphs)
-    {
-        wxRichTextParagraph* para1 = GetParagraphAtPosition(range.GetStart());
-        wxRichTextParagraph* para2 = GetParagraphAtPosition(range.GetEnd());
-        if (para1)
-            range.SetStart(para1->GetRange().GetStart());
-        if (para2)
-            range.SetEnd(para2->GetRange().GetEnd());
+                    // Also store the old ones for Undo
+                    action->GetOldParagraphs().AppendChild(new wxRichTextParagraph(*para));
+                }
+                else
+                    newPara = para;
+
+                wxRichTextListStyleDefinition* defToUse = def;
+                if (!defToUse)
+                {
+                    wxRichTextStyleSheet* sheet = GetStyleSheet();
+
+                    if (sheet && !newPara->GetAttributes().GetListStyleName().IsEmpty())
+                        defToUse = sheet->FindListStyle(newPara->GetAttributes().GetListStyleName());
+                }
+
+                if (defToUse)
+                {
+                    int thisIndent = newPara->GetAttributes().GetLeftIndent();
+                    int thisLevel = defToUse->FindLevelForIndent(thisIndent);
+
+                    // If the paragraph doesn't have an indent, or we've specified a level to apply to all,
+                    // change the level.
+                    if (thisIndent == 0 || specifiedLevel != -1)
+                        thisLevel = specifiedLevel;
+
+                    // Do promotion if specified
+                    if ((promoteBy != 0) && !para->GetRange().IsOutside(promotionRange))
+                    {
+                        thisLevel = thisLevel - promoteBy;
+                        if (thisLevel < 0)
+                            thisLevel = 0;
+                        if (thisLevel > 9)
+                            thisLevel = 9;
+                    }
+
+                    // Apply the overall list style, and item style for this level
+                    wxTextAttrEx listStyle(defToUse->GetCombinedStyleForLevel(thisLevel));
+                    wxRichTextApplyStyle(newPara->GetAttributes(), listStyle);
+
+                    // OK, we've (re)applied the style, now let's get the numbering right.
+
+                    if (currentLevel == -1)
+                        currentLevel = thisLevel;
+
+                    // Same level as before, do nothing except increment level's number afterwards
+                    if (currentLevel == thisLevel)
+                    {
+                    }
+                    // A deeper level: start renumbering all levels after current level
+                    else if (thisLevel > currentLevel)
+                    {
+                        for (i = currentLevel+1; i <= thisLevel; i++)
+                        {
+                            levels[i] = 1;
+                        }
+                        currentLevel = thisLevel;
+                    }
+                    else if (thisLevel < currentLevel)
+                    {
+                        currentLevel = thisLevel;
+                    }
+
+                    // Use the current numbering if -1 and we have a bullet number already
+                    if (levels[currentLevel] == -1)
+                    {
+                        if (newPara->GetAttributes().HasBulletNumber())
+                            levels[currentLevel] = newPara->GetAttributes().GetBulletNumber();
+                        else
+                            levels[currentLevel] = 1;
+                    }
+
+                    newPara->GetAttributes().SetBulletNumber(levels[currentLevel]);
+
+                    levels[currentLevel] ++;
+                }
+            }
+        }
+
+        node = node->GetNext();
     }
-    return range;
-}
 
-/*!
- * wxRichTextFragment class declaration
- * This is a lind of paragraph layout box used for storing
- * paragraphs for Undo/Redo, for example.
- */
+    // Do action, or delay it until end of batch.
+    if (haveControl && withUndo)
+        GetRichTextCtrl()->GetBuffer().SubmitAction(action);
 
-IMPLEMENT_DYNAMIC_CLASS(wxRichTextFragment, wxRichTextParagraphLayoutBox)
+    return true;
+}
 
-/// Initialise
-void wxRichTextFragment::Init()
+bool wxRichTextParagraphLayoutBox::NumberList(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel)
 {
-    m_partialParagraph = false;
+    if (GetStyleSheet())
+    {
+        wxRichTextListStyleDefinition* def = NULL;
+        if (!defName.IsEmpty())
+            def = GetStyleSheet()->FindListStyle(defName);
+        return NumberList(range, def, flags, startFrom, specifiedLevel);
+    }
+    return false;
 }
 
-/// Copy
-void wxRichTextFragment::Copy(const wxRichTextFragment& obj)
+/// Promote the list items within the given range. promoteBy can be a positive or negative number, e.g. 1 or -1
+bool wxRichTextParagraphLayoutBox::PromoteList(int promoteBy, const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int specifiedLevel)
 {
-    wxRichTextParagraphLayoutBox::Copy(obj);
+    // TODO
+    // One strategy is to first work out the range within which renumbering must occur. Then could pass these two ranges
+    // to NumberList with a flag indicating promotion is required within one of the ranges.
+    // Find first and last paragraphs in range. Then for first, calculate new indentation and look back until we find
+    // a paragraph that either has no list style, or has one that is different or whose indentation is less.
+    // We start renumbering from the para after that different para we found. We specify that the numbering of that
+    // list position will start from 1.
+    // Similarly, we look after the last para in the promote range for an indentation that is less (or no list style).
+    // We can end the renumbering at this point.
 
-    m_partialParagraph = obj.m_partialParagraph;
+    // For now, only renumber within the promotion range.
+
+    return DoNumberList(range, range, promoteBy, def, flags, 1, specifiedLevel);
+}
+
+bool wxRichTextParagraphLayoutBox::PromoteList(int promoteBy, const wxRichTextRange& range, const wxString& defName, int flags, int specifiedLevel)
+{
+    if (GetStyleSheet())
+    {
+        wxRichTextListStyleDefinition* def = NULL;
+        if (!defName.IsEmpty())
+            def = GetStyleSheet()->FindListStyle(defName);
+        return PromoteList(promoteBy, range, def, flags, specifiedLevel);
+    }
+    return false;
 }
 
 /*!
@@ -1850,6 +2853,8 @@ void wxRichTextFragment::Copy(const wxRichTextFragment& obj)
 
 IMPLEMENT_DYNAMIC_CLASS(wxRichTextParagraph, wxRichTextBox)
 
+wxArrayInt wxRichTextParagraph::sm_defaultTabs;
+
 wxRichTextParagraph::wxRichTextParagraph(wxRichTextObject* parent, wxTextAttrEx* style):
     wxRichTextBox(parent)
 {
@@ -1878,31 +2883,105 @@ wxRichTextParagraph::~wxRichTextParagraph()
 /// Draw the item
 bool wxRichTextParagraph::Draw(wxDC& dc, const wxRichTextRange& WXUNUSED(range), const wxRichTextRange& selectionRange, const wxRect& WXUNUSED(rect), int WXUNUSED(descent), int style)
 {
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+    wxTextAttrEx attr = GetCombinedAttributes();
+#else
+    const wxTextAttrEx& attr = GetAttributes();
+#endif
+
     // Draw the bullet, if any
-    if (GetAttributes().GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE)
+    if (attr.GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE)
     {
-        if (GetAttributes().GetLeftSubIndent() != 0)
+        if (attr.GetLeftSubIndent() != 0)
         {
-            int spaceBeforePara = ConvertTenthsMMToPixels(dc, GetAttributes().GetParagraphSpacingBefore());
-            // int spaceAfterPara = ConvertTenthsMMToPixels(dc, GetAttributes().GetParagraphSpacingAfter());
-            int leftIndent = ConvertTenthsMMToPixels(dc, GetAttributes().GetLeftIndent());
-            // int leftSubIndent = ConvertTenthsMMToPixels(dc, GetAttributes().GetLeftSubIndent());
-            // int rightIndent = ConvertTenthsMMToPixels(dc, GetAttributes().GetRightIndent());
+            int spaceBeforePara = ConvertTenthsMMToPixels(dc, attr.GetParagraphSpacingBefore());
+            int leftIndent = ConvertTenthsMMToPixels(dc, attr.GetLeftIndent());
 
-            if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_BITMAP)
+            if (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_BITMAP)
             {
                 // TODO
             }
+            else if (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_STANDARD)                
+            {
+                wxTextAttrEx bulletAttr(GetCombinedAttributes());
+                if (bulletAttr.GetTextColour().Ok())
+                {
+                    dc.SetPen(wxPen(bulletAttr.GetTextColour()));
+                    dc.SetBrush(wxBrush(bulletAttr.GetTextColour()));
+                }
+                else
+                {
+                    dc.SetPen(*wxBLACK_PEN);
+                    dc.SetBrush(*wxBLACK_BRUSH);
+                }
+
+                wxFont font;
+                if (bulletAttr.GetFont().Ok())
+                    font = bulletAttr.GetFont();
+                else
+                    font = (*wxNORMAL_FONT);
+
+                dc.SetFont(font);
+
+                // Get line height from first line, if any
+                wxRichTextLine* line = m_cachedLines.GetFirst() ? (wxRichTextLine* ) m_cachedLines.GetFirst()->GetData() : (wxRichTextLine*) NULL;
+
+                wxPoint linePos;
+                int lineHeight wxDUMMY_INITIALIZE(0);
+                if (line)
+                {
+                    lineHeight = line->GetSize().y;
+                    linePos = line->GetPosition() + GetPosition();
+                }
+                else
+                {
+                    lineHeight = dc.GetCharHeight();
+                    linePos = GetPosition();
+                    linePos.y += spaceBeforePara;
+                }
+
+                int charHeight = dc.GetCharHeight();
+                
+                int bulletWidth = wxMax(2, (charHeight/3 + 1));
+                int bulletHeight = bulletWidth;
+
+                int x = GetPosition().x + leftIndent;
+                int y = linePos.y + (lineHeight - charHeight/2) - bulletHeight/2;
+                
+                if (bulletAttr.GetBulletName() == wxT("standard/square"))
+                {
+                    dc.DrawRectangle(x, y, bulletWidth, bulletHeight);
+                }
+                else // "standard/round", and catch-all
+                {
+                    dc.DrawEllipse(x, y, bulletWidth, bulletHeight);
+                }                
+            }
             else
             {
                 wxString bulletText = GetBulletText();
                 if (!bulletText.empty())
                 {
-                    if (GetAttributes().GetFont().Ok())
-                        dc.SetFont(GetAttributes().GetFont());
+                    // Get the combined font, or if a font is specified for a symbol bullet,
+                    // create the font
+
+                    wxTextAttrEx bulletAttr(GetCombinedAttributes());
+                    wxFont font;
+                    if ((attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_SYMBOL) && !attr.GetBulletFont().IsEmpty() && bulletAttr.GetFont().Ok())
+                    {
+                        font = (*wxTheFontList->FindOrCreateFont(bulletAttr.GetFont().GetPointSize(), bulletAttr.GetFont().GetFamily(),
+                                                bulletAttr.GetFont().GetStyle(), bulletAttr.GetFont().GetWeight(), bulletAttr.GetFont().GetUnderlined(),
+                                                attr.GetBulletFont()));
+                    }
+                    else if (bulletAttr.GetFont().Ok())
+                        font = bulletAttr.GetFont();
+                    else
+                        font = (*wxNORMAL_FONT);
+
+                    dc.SetFont(font);
 
-                    if (GetAttributes().GetTextColour().Ok())
-                        dc.SetTextForeground(GetAttributes().GetTextColour());
+                    if (bulletAttr.GetTextColour().Ok())
+                        dc.SetTextForeground(bulletAttr.GetTextColour());
 
                     dc.SetBackgroundMode(wxTRANSPARENT);
 
@@ -1962,7 +3041,7 @@ bool wxRichTextParagraph::Draw(wxDC& dc, const wxRichTextRange& WXUNUSED(range),
 
                 wxSize objectSize;
                 int descent = 0;
-                child->GetRangeSize(objectRange, objectSize, descent, dc, wxRICHTEXT_UNFORMATTED);
+                child->GetRangeSize(objectRange, objectSize, descent, dc, wxRICHTEXT_UNFORMATTED, objectPosition);
 
                 // Use the child object's width, but the whole line's height
                 wxRect childRect(objectPosition, wxSize(objectSize.x, line->GetSize().y));
@@ -1986,29 +3065,35 @@ bool wxRichTextParagraph::Draw(wxDC& dc, const wxRichTextRange& WXUNUSED(range),
 /// Lay the item out
 bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
 {
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+    wxTextAttrEx attr = GetCombinedAttributes();
+#else
+    const wxTextAttrEx& attr = GetAttributes();
+#endif
+
     // ClearLines();
 
     // Increase the size of the paragraph due to spacing
-    int spaceBeforePara = ConvertTenthsMMToPixels(dc, GetAttributes().GetParagraphSpacingBefore());
-    int spaceAfterPara = ConvertTenthsMMToPixels(dc, GetAttributes().GetParagraphSpacingAfter());
-    int leftIndent = ConvertTenthsMMToPixels(dc, GetAttributes().GetLeftIndent());
-    int leftSubIndent = ConvertTenthsMMToPixels(dc, GetAttributes().GetLeftSubIndent());
-    int rightIndent = ConvertTenthsMMToPixels(dc, GetAttributes().GetRightIndent());
+    int spaceBeforePara = ConvertTenthsMMToPixels(dc, attr.GetParagraphSpacingBefore());
+    int spaceAfterPara = ConvertTenthsMMToPixels(dc, attr.GetParagraphSpacingAfter());
+    int leftIndent = ConvertTenthsMMToPixels(dc, attr.GetLeftIndent());
+    int leftSubIndent = ConvertTenthsMMToPixels(dc, attr.GetLeftSubIndent());
+    int rightIndent = ConvertTenthsMMToPixels(dc, attr.GetRightIndent());
 
     int lineSpacing = 0;
 
     // Let's assume line spacing of 10 is normal, 15 is 1.5, 20 is 2, etc.
-    if (GetAttributes().GetLineSpacing() > 10 && GetAttributes().GetFont().Ok())
+    if (attr.GetLineSpacing() > 10 && attr.GetFont().Ok())
     {
-        dc.SetFont(GetAttributes().GetFont());
-        lineSpacing = (ConvertTenthsMMToPixels(dc, dc.GetCharHeight()) * GetAttributes().GetLineSpacing())/10;
+        dc.SetFont(attr.GetFont());
+        lineSpacing = (ConvertTenthsMMToPixels(dc, dc.GetCharHeight()) * attr.GetLineSpacing())/10;
     }
 
     // Available space for text on each line differs.
     int availableTextSpaceFirstLine = rect.GetWidth() - leftIndent - rightIndent;
 
     // Bullets start the text at the same position as subsequent lines
-    if (GetAttributes().GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE)
+    if (attr.GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE)
         availableTextSpaceFirstLine -= leftSubIndent;
 
     int availableTextSpaceSubsequentLines = rect.GetWidth() - leftIndent - rightIndent - leftSubIndent;
@@ -2019,12 +3104,9 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
 
     // If we have a bullet in this paragraph, the start position for the first line's text
     // is actually leftIndent + leftSubIndent.
-    if (GetAttributes().GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE)
+    if (attr.GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE)
         startPositionFirstLine = startPositionSubsequentLines;
 
-    //bool restrictWidth = wxRichTextHasStyle(style, wxRICHTEXT_FIXED_WIDTH);
-    //bool restrictHeight = wxRichTextHasStyle(style, wxRICHTEXT_FIXED_HEIGHT);
-
     long lastEndPos = GetRange().GetStart()-1;
     long lastCompletedEndPos = lastEndPos;
 
@@ -2075,7 +3157,7 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
             childDescent = child->GetDescent();
         }
         else
-            GetRangeSize(wxRichTextRange(lastEndPos+1, child->GetRange().GetEnd()), childSize, childDescent, dc, wxRICHTEXT_UNFORMATTED);
+            GetRangeSize(wxRichTextRange(lastEndPos+1, child->GetRange().GetEnd()), childSize, childDescent, dc, wxRICHTEXT_UNFORMATTED,rect.GetPosition());
 
         if (childSize.x + currentWidth > availableSpaceForText)
         {
@@ -2167,8 +3249,8 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
 
         if (lineHeight == 0)
         {
-            if (GetAttributes().GetFont().Ok())
-                dc.SetFont(GetAttributes().GetFont());
+            if (attr.GetFont().Ok())
+                dc.SetFont(attr.GetFont());
             lineHeight = dc.GetCharHeight();
         }
         if (maxDescent == 0)
@@ -2188,7 +3270,7 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
     ClearUnusedLines(lineCount);
 
     // Apply styles to wrapped lines
-    ApplyParagraphStyle(rect);
+    ApplyParagraphStyle(attr, rect);
 
     SetCachedSize(wxSize(maxWidth, currentPosition.y + spaceBeforePara + spaceAfterPara));
 
@@ -2198,9 +3280,9 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
 }
 
 /// Apply paragraph styles, such as centering, to wrapped lines
-void wxRichTextParagraph::ApplyParagraphStyle(const wxRect& rect)
+void wxRichTextParagraph::ApplyParagraphStyle(const wxTextAttrEx& attr, const wxRect& rect)
 {
-    if (!GetAttributes().HasAlignment())
+    if (!attr.HasAlignment())
         return;
 
     wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst();
@@ -2212,12 +3294,12 @@ void wxRichTextParagraph::ApplyParagraphStyle(const wxRect& rect)
         wxSize size = line->GetSize();
 
         // centering, right-justification
-        if (GetAttributes().HasAlignment() && GetAttributes().GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
+        if (attr.HasAlignment() && GetAttributes().GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
         {
             pos.x = (rect.GetWidth() - size.x)/2 + pos.x;
             line->SetPosition(pos);
         }
-        else if (GetAttributes().HasAlignment() && GetAttributes().GetAlignment() == wxTEXT_ALIGNMENT_RIGHT)
+        else if (attr.HasAlignment() && GetAttributes().GetAlignment() == wxTEXT_ALIGNMENT_RIGHT)
         {
             pos.x = rect.GetRight() - size.x;
             line->SetPosition(pos);
@@ -2258,7 +3340,7 @@ bool wxRichTextParagraph::InsertText(long pos, const wxString& text)
                                text + textObject->GetText().Mid(posInString);
             textObject->SetText(newText);
 
-            int textLength = text.Length();
+            int textLength = text.length();
 
             textObject->SetRange(wxRichTextRange(textObject->GetRange().GetStart(),
                                                  textObject->GetRange().GetEnd() + textLength));
@@ -2310,7 +3392,7 @@ void wxRichTextParagraph::ClearLines()
 
 /// Get/set the object size for the given range. Returns false if the range
 /// is invalid for this object.
-bool wxRichTextParagraph::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags) const
+bool wxRichTextParagraph::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags, wxPoint position) const
 {
     if (!range.IsWithin(GetRange()))
         return false;
@@ -2334,7 +3416,7 @@ bool wxRichTextParagraph::GetRangeSize(const wxRichTextRange& range, wxSize& siz
                 rangeToUse.LimitTo(child->GetRange());
                 int childDescent = 0;
 
-                if (child->GetRangeSize(rangeToUse, childSize, childDescent, dc, flags))
+                if (child->GetRangeSize(rangeToUse, childSize, childDescent, dc, flags, position))
                 {
                     sz.y = wxMax(sz.y, childSize.y);
                     sz.x += childSize.x;
@@ -2379,7 +3461,7 @@ bool wxRichTextParagraph::GetRangeSize(const wxRichTextRange& range, wxSize& siz
 
                         wxSize childSize;
                         int childDescent = 0;
-                        if (child->GetRangeSize(rangeToUse, childSize, childDescent, dc, flags))
+                        if (child->GetRangeSize(rangeToUse, childSize, childDescent, dc, flags, position))
                         {
                             lineSize.y = wxMax(lineSize.y, childSize.y);
                             lineSize.x += childSize.x;
@@ -2417,8 +3499,6 @@ bool wxRichTextParagraph::FindPosition(wxDC& dc, long index, wxPoint& pt, int* h
         if (line)
             pt = pt + line->GetPosition();
 
-        *height = dc.GetCharHeight();
-
         return true;
     }
 
@@ -2480,7 +3560,7 @@ bool wxRichTextParagraph::FindPosition(wxDC& dc, long index, wxPoint& pt, int* h
             // then we can add this size to the line start position and
             // paragraph start position to find the actual position.
 
-            if (GetRangeSize(r, rangeSize, descent, dc, wxRICHTEXT_UNFORMATTED))
+            if (GetRangeSize(r, rangeSize, descent, dc, wxRICHTEXT_UNFORMATTED, line->GetPosition()+ GetPosition()))
             {
                 pt.x = line->GetPosition().x + GetPosition().x + rangeSize.x;
                 *height = line->GetSize().y;
@@ -2533,7 +3613,7 @@ int wxRichTextParagraph::HitTest(wxDC& dc, const wxPoint& pt, long& textPosition
 
                     wxRichTextRange rangeToUse(lineRange.GetStart(), i);
 
-                    GetRangeSize(rangeToUse, childSize, descent, dc, wxRICHTEXT_UNFORMATTED);
+                    GetRangeSize(rangeToUse, childSize, descent, dc, wxRICHTEXT_UNFORMATTED, linePos);
 
                     int nextX = childSize.x + linePos.x;
 
@@ -2752,7 +3832,7 @@ bool wxRichTextParagraph::FindWrapPosition(const wxRichTextRange& range, wxDC& d
         int spacePos = plainText.Find(wxT(' '), true);
         if (spacePos != wxNOT_FOUND)
         {
-            int positionsFromEndOfString = plainText.Length() - spacePos - 1;
+            int positionsFromEndOfString = plainText.length() - spacePos - 1;
             breakPosition = breakPosition - positionsFromEndOfString;
         }
     }
@@ -2788,31 +3868,12 @@ wxString wxRichTextParagraph::GetBulletText()
     }
     else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER)
     {
-        // TODO: convert from number to roman numeral
-        if (number == 1)
-            text = wxT("I");
-        else if (number == 2)
-            text = wxT("II");
-        else if (number == 3)
-            text = wxT("III");
-        else if (number == 4)
-            text = wxT("IV");
-        else
-            text = wxT("TODO");
+        text = wxRichTextDecimalToRoman(number);
     }
     else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER)
     {
-        // TODO: convert from number to roman numeral
-        if (number == 1)
-            text = wxT("i");
-        else if (number == 2)
-            text = wxT("ii");
-        else if (number == 3)
-            text = wxT("iii");
-        else if (number == 4)
-            text = wxT("iv");
-        else
-            text = wxT("TODO");
+        text = wxRichTextDecimalToRoman(number);
+        text.MakeLower();
     }
     else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_SYMBOL)
     {
@@ -2865,6 +3926,56 @@ bool wxRichTextParagraph::ClearUnusedLines(int lineCount)
     return true;
 }
 
+/// Get combined attributes of the base style, paragraph style and character style. We use this to dynamically
+/// retrieve the actual style.
+wxTextAttrEx wxRichTextParagraph::GetCombinedAttributes(const wxTextAttrEx& contentStyle) const
+{
+    wxTextAttrEx attr;
+    wxRichTextBuffer* buf = wxDynamicCast(GetParent(), wxRichTextBuffer);
+    if (buf)
+    {
+        attr = buf->GetBasicStyle();
+        wxRichTextApplyStyle(attr, GetAttributes());
+    }
+    else
+        attr = GetAttributes();
+
+    wxRichTextApplyStyle(attr, contentStyle);
+    return attr;
+}
+
+/// Get combined attributes of the base style and paragraph style.
+wxTextAttrEx wxRichTextParagraph::GetCombinedAttributes() const
+{
+    wxTextAttrEx attr;
+    wxRichTextBuffer* buf = wxDynamicCast(GetParent(), wxRichTextBuffer);
+    if (buf)
+    {
+        attr = buf->GetBasicStyle();
+        wxRichTextApplyStyle(attr, GetAttributes());
+    }
+    else
+        attr = GetAttributes();
+
+    return attr;
+}
+
+/// Create default tabstop array
+void wxRichTextParagraph::InitDefaultTabs()
+{
+    // create a default tab list at 10 mm each.
+    for (int i = 0; i < 20; ++i)
+    {
+        sm_defaultTabs.Add(i*100);
+    }
+}
+
+/// Clear default tabstop array
+void wxRichTextParagraph::ClearDefaultTabs()
+{
+    sm_defaultTabs.Clear();
+}
+
 
 /*!
  * wxRichTextLine
@@ -2926,9 +4037,20 @@ wxRichTextPlainText::wxRichTextPlainText(const wxString& text, wxRichTextObject*
     m_text = text;
 }
 
+#define USE_KERNING_FIX 1
+
 /// Draw the item
 bool wxRichTextPlainText::Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& rect, int descent, int WXUNUSED(style))
 {
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+    wxRichTextParagraph* para = wxDynamicCast(GetParent(), wxRichTextParagraph);
+    wxASSERT (para != NULL);
+
+    wxTextAttrEx textAttr(para ? para->GetCombinedAttributes(GetAttributes()) : GetAttributes());
+#else
+    wxTextAttrEx textAttr(GetAttributes());
+#endif
+
     int offset = GetRange().GetStart();
 
     long len = range.GetLength();
@@ -2942,30 +4064,19 @@ bool wxRichTextPlainText::Draw(wxDC& dc, const wxRichTextRange& range, const wxR
     // Test for the optimized situations where all is selected, or none
     // is selected.
 
-    if (GetAttributes().GetFont().Ok())
-        dc.SetFont(GetAttributes().GetFont());
+    if (textAttr.GetFont().Ok())
+        dc.SetFont(textAttr.GetFont());
 
     // (a) All selected.
     if (selectionRange.GetStart() <= range.GetStart() && selectionRange.GetEnd() >= range.GetEnd())
     {
-        // Draw all selected
-        dc.SetBrush(*wxBLACK_BRUSH);
-        dc.SetPen(*wxBLACK_PEN);
-        wxCoord w, h;
-        dc.GetTextExtent(stringChunk, & w, & h);
-        wxRect selRect(x, rect.y, w, rect.GetHeight());
-        dc.DrawRectangle(selRect);
-        dc.SetTextForeground(*wxWHITE);
-        dc.SetBackgroundMode(wxTRANSPARENT);
-        dc.DrawText(stringChunk, x, y);
+        DrawTabbedString(dc, textAttr, rect, stringChunk, x, y, true);
     }
     // (b) None selected.
     else if (selectionRange.GetEnd() < range.GetStart() || selectionRange.GetStart() > range.GetEnd())
     {
         // Draw all unselected
-        dc.SetTextForeground(GetAttributes().GetTextColour());
-        dc.SetBackgroundMode(wxTRANSPARENT);
-        dc.DrawText(stringChunk, x, y);
+        DrawTabbedString(dc, textAttr, rect, stringChunk, x, y, false);
     }
     else
     {
@@ -2984,12 +4095,24 @@ bool wxRichTextPlainText::Draw(wxDC& dc, const wxRichTextRange& range, const wxR
                 wxLogDebug(wxT("Mid(%d, %d"), (int)(r1 - offset), (int)fragmentLen);
             wxString stringFragment = m_text.Mid(r1 - offset, fragmentLen);
 
-            dc.SetTextForeground(GetAttributes().GetTextColour());
-            dc.DrawText(stringFragment, x, y);
+            DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, false);
 
-            wxCoord w, h;
-            dc.GetTextExtent(stringFragment, & w, & h);
-            x += w;
+#if USE_KERNING_FIX
+            if (stringChunk.Find(wxT("\t")) == wxNOT_FOUND)
+            {
+                // Compensate for kerning difference
+                wxString stringFragment2(m_text.Mid(r1 - offset, fragmentLen+1));
+                wxString stringFragment3(m_text.Mid(r1 - offset + fragmentLen, 1));
+
+                wxCoord w1, h1, w2, h2, w3, h3;
+                dc.GetTextExtent(stringFragment,  & w1, & h1);
+                dc.GetTextExtent(stringFragment2, & w2, & h2);
+                dc.GetTextExtent(stringFragment3, & w3, & h3);
+
+                int kerningDiff = (w1 + w3) - w2;
+                x = x - kerningDiff;
+            }
+#endif
         }
 
         // 2. Selected chunk, if any.
@@ -3003,43 +4126,142 @@ bool wxRichTextPlainText::Draw(wxDC& dc, const wxRichTextRange& range, const wxR
                 wxLogDebug(wxT("Mid(%d, %d"), (int)(s1 - offset), (int)fragmentLen);
             wxString stringFragment = m_text.Mid(s1 - offset, fragmentLen);
 
-            wxCoord w, h;
-            dc.GetTextExtent(stringFragment, & w, & h);
-            wxRect selRect(x, rect.y, w, rect.GetHeight());
+            DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, true);
 
-            dc.SetBrush(*wxBLACK_BRUSH);
-            dc.SetPen(*wxBLACK_PEN);
-            dc.DrawRectangle(selRect);
-            dc.SetTextForeground(*wxWHITE);
-            dc.DrawText(stringFragment, x, y);
+#if USE_KERNING_FIX
+            if (stringChunk.Find(wxT("\t")) == wxNOT_FOUND)
+            {
+                // Compensate for kerning difference
+                wxString stringFragment2(m_text.Mid(s1 - offset, fragmentLen+1));
+                wxString stringFragment3(m_text.Mid(s1 - offset + fragmentLen, 1));
+
+                wxCoord w1, h1, w2, h2, w3, h3;
+                dc.GetTextExtent(stringFragment,  & w1, & h1);
+                dc.GetTextExtent(stringFragment2, & w2, & h2);
+                dc.GetTextExtent(stringFragment3, & w3, & h3);
+
+                int kerningDiff = (w1 + w3) - w2;
+                x = x - kerningDiff;
+            }
+#endif
+        }
+
+        // 3. Remaining unselected chunk, if any
+        if (selectionRange.GetEnd() < range.GetEnd())
+        {
+            int s2 = wxMin(selectionRange.GetEnd()+1, range.GetEnd());
+            int r2 = range.GetEnd();
+
+            int fragmentLen = r2 - s2 + 1;
+            if (fragmentLen < 0)
+                wxLogDebug(wxT("Mid(%d, %d"), (int)(s2 - offset), (int)fragmentLen);
+            wxString stringFragment = m_text.Mid(s2 - offset, fragmentLen);
+
+            DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, false);
+        }
+    }
+
+    return true;
+}
+
+bool wxRichTextPlainText::DrawTabbedString(wxDC& dc, const wxTextAttrEx& attr, const wxRect& rect,wxString& str, wxCoord& x, wxCoord& y, bool selected)
+{
+    bool hasTabs = (str.Find(wxT('\t')) != wxNOT_FOUND);
+
+    wxArrayInt tabArray;
+    int tabCount;
+    if (hasTabs)
+    {
+        if (attr.GetTabs().IsEmpty())
+            tabArray = wxRichTextParagraph::GetDefaultTabs();
+        else
+            tabArray = attr.GetTabs();
+        tabCount = tabArray.GetCount();
+
+        for (int i = 0; i < tabCount; ++i)
+        {
+            int pos = tabArray[i];
+            pos = ConvertTenthsMMToPixels(dc, pos);
+            tabArray[i] = pos;
+        }
+    }
+    else
+        tabCount = 0;
+
+    int nextTabPos = -1;
+    int tabPos = -1;
+    wxCoord w, h;
+
+    if (selected)
+    {
+        dc.SetBrush(*wxBLACK_BRUSH);
+        dc.SetPen(*wxBLACK_PEN);
+        dc.SetTextForeground(*wxWHITE);
+        dc.SetBackgroundMode(wxTRANSPARENT);
+    }
+    else
+    {
+        dc.SetTextForeground(attr.GetTextColour());
+        dc.SetBackgroundMode(wxTRANSPARENT);
+    }
 
-            x += w;
+    while (hasTabs)
+    {
+        // the string has a tab
+        // break up the string at the Tab
+        wxString stringChunk = str.BeforeFirst(wxT('\t'));
+        str = str.AfterFirst(wxT('\t'));
+        dc.GetTextExtent(stringChunk, & w, & h);
+        tabPos = x + w;
+        bool not_found = true;
+        for (int i = 0; i < tabCount && not_found; ++i)
+        {
+            nextTabPos = tabArray.Item(i);
+            if (nextTabPos > tabPos)
+            {
+                not_found = false;
+                if (selected)
+                {
+                    w = nextTabPos - x;
+                    wxRect selRect(x, rect.y, w, rect.GetHeight());
+                    dc.DrawRectangle(selRect);
+                }
+                dc.DrawText(stringChunk, x, y);
+                x = nextTabPos;
+            }
         }
+        hasTabs = (str.Find(wxT('\t')) != wxNOT_FOUND);
+    }
 
-        // 3. Remaining unselected chunk, if any
-        if (selectionRange.GetEnd() < range.GetEnd())
+    if (!str.IsEmpty())
+    {
+        dc.GetTextExtent(str, & w, & h);
+        if (selected)
         {
-            int s2 = wxMin(selectionRange.GetEnd()+1, range.GetEnd());
-            int r2 = range.GetEnd();
-
-            int fragmentLen = r2 - s2 + 1;
-            if (fragmentLen < 0)
-                wxLogDebug(wxT("Mid(%d, %d"), (int)(s2 - offset), (int)fragmentLen);
-            wxString stringFragment = m_text.Mid(s2 - offset, fragmentLen);
-
-            dc.SetTextForeground(GetAttributes().GetTextColour());
-            dc.DrawText(stringFragment, x, y);
+            wxRect selRect(x, rect.y, w, rect.GetHeight());
+            dc.DrawRectangle(selRect);
         }
+        dc.DrawText(str, x, y);
+        x += w;
     }
-
     return true;
+
 }
 
 /// Lay the item out
 bool wxRichTextPlainText::Layout(wxDC& dc, const wxRect& WXUNUSED(rect), int WXUNUSED(style))
 {
-    if (GetAttributes().GetFont().Ok())
-        dc.SetFont(GetAttributes().GetFont());
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+    wxRichTextParagraph* para = wxDynamicCast(GetParent(), wxRichTextParagraph);
+    wxASSERT (para != NULL);
+
+    wxTextAttrEx textAttr(para ? para->GetCombinedAttributes(GetAttributes()) : GetAttributes());
+#else
+    wxTextAttrEx textAttr(GetAttributes());
+#endif
+
+    if (textAttr.GetFont().Ok())
+        dc.SetFont(textAttr.GetFont());
 
     wxCoord w, h;
     dc.GetTextExtent(m_text, & w, & h, & m_descent);
@@ -3058,24 +4280,76 @@ void wxRichTextPlainText::Copy(const wxRichTextPlainText& obj)
 
 /// Get/set the object size for the given range. Returns false if the range
 /// is invalid for this object.
-bool wxRichTextPlainText::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int WXUNUSED(flags)) const
+bool wxRichTextPlainText::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int WXUNUSED(flags), wxPoint position) const
 {
     if (!range.IsWithin(GetRange()))
         return false;
 
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+    wxRichTextParagraph* para = wxDynamicCast(GetParent(), wxRichTextParagraph);
+    wxASSERT (para != NULL);
+
+    wxTextAttrEx textAttr(para ? para->GetCombinedAttributes(GetAttributes()) : GetAttributes());
+#else
+    wxTextAttrEx textAttr(GetAttributes());
+#endif
+
     // Always assume unformatted text, since at this level we have no knowledge
     // of line breaks - and we don't need it, since we'll calculate size within
     // formatted text by doing it in chunks according to the line ranges
 
-    if (GetAttributes().GetFont().Ok())
-        dc.SetFont(GetAttributes().GetFont());
+    if (textAttr.GetFont().Ok())
+        dc.SetFont(textAttr.GetFont());
 
     int startPos = range.GetStart() - GetRange().GetStart();
     long len = range.GetLength();
     wxString stringChunk = m_text.Mid(startPos, (size_t) len);
     wxCoord w, h;
+    int width = 0;
+    if (stringChunk.Find(wxT('\t')) != wxNOT_FOUND)
+    {
+        // the string has a tab
+        wxArrayInt tabArray;
+        if (textAttr.GetTabs().IsEmpty())
+            tabArray = wxRichTextParagraph::GetDefaultTabs();
+        else
+            tabArray = textAttr.GetTabs();
+
+        int tabCount = tabArray.GetCount();
+
+        for (int i = 0; i < tabCount; ++i)
+        {
+            int pos = tabArray[i];
+            pos = ((wxRichTextPlainText*) this)->ConvertTenthsMMToPixels(dc, pos);
+            tabArray[i] = pos;
+        }
+
+        int nextTabPos = -1;
+
+        while (stringChunk.Find(wxT('\t')) >= 0)
+        {
+            // the string has a tab
+            // break up the string at the Tab
+            wxString stringFragment = stringChunk.BeforeFirst(wxT('\t'));
+            stringChunk = stringChunk.AfterFirst(wxT('\t'));
+            dc.GetTextExtent(stringFragment, & w, & h);
+            width += w;
+            int absoluteWidth = width + position.x;
+            bool notFound = true;
+            for (int i = 0; i < tabCount && notFound; ++i)
+            {
+                nextTabPos = tabArray.Item(i);
+                if (nextTabPos > absoluteWidth)
+                {
+                    notFound = false;
+                    width = nextTabPos - position.x;
+                }
+            }
+        }
+    }
     dc.GetTextExtent(stringChunk, & w, & h, & descent);
-    size = wxSize(w, dc.GetCharHeight());
+    width += w;
+    size = wxSize(width, dc.GetCharHeight());
 
     return true;
 }
@@ -3085,7 +4359,7 @@ bool wxRichTextPlainText::GetRangeSize(const wxRichTextRange& range, wxSize& siz
 wxRichTextObject* wxRichTextPlainText::DoSplit(long pos)
 {
     int index = pos - GetRange().GetStart();
-    if (index < 0 || index >= (int) m_text.Length())
+    if (index < 0 || index >= (int) m_text.length())
         return NULL;
 
     wxString firstPart = m_text.Mid(0, index);
@@ -3105,7 +4379,7 @@ wxRichTextObject* wxRichTextPlainText::DoSplit(long pos)
 /// Calculate range
 void wxRichTextPlainText::CalculateRange(long start, long& end)
 {
-    end = start + m_text.Length() - 1;
+    end = start + m_text.length() - 1;
     m_range.SetRange(start, end);
 }
 
@@ -3218,19 +4492,123 @@ void wxRichTextBuffer::Reset()
     Invalidate(wxRICHTEXT_ALL);
 }
 
+void wxRichTextBuffer::Copy(const wxRichTextBuffer& obj)
+{
+    wxRichTextParagraphLayoutBox::Copy(obj);
+
+    m_styleSheet = obj.m_styleSheet;
+    m_modified = obj.m_modified;
+    m_batchedCommandDepth = obj.m_batchedCommandDepth;
+    m_batchedCommand = obj.m_batchedCommand;
+    m_suppressUndo = obj.m_suppressUndo;
+}
+
+/// Push style sheet to top of stack
+bool wxRichTextBuffer::PushStyleSheet(wxRichTextStyleSheet* styleSheet)
+{
+    if (m_styleSheet)
+        styleSheet->InsertSheet(m_styleSheet);
+
+    SetStyleSheet(styleSheet);
+
+    return true;
+}
+
+/// Pop style sheet from top of stack
+wxRichTextStyleSheet* wxRichTextBuffer::PopStyleSheet()
+{
+    if (m_styleSheet)
+    {
+        wxRichTextStyleSheet* oldSheet = m_styleSheet;
+        m_styleSheet = oldSheet->GetNextSheet();
+        oldSheet->Unlink();
+
+        return oldSheet;
+    }
+    else
+        return NULL;
+}
+
+/// Submit command to insert paragraphs
+bool wxRichTextBuffer::InsertParagraphsWithUndo(long pos, const wxRichTextParagraphLayoutBox& paragraphs, wxRichTextCtrl* ctrl, int flags)
+{
+    wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Text"), wxRICHTEXT_INSERT, this, ctrl, false);
+
+    wxTextAttrEx* p = NULL;
+    wxTextAttrEx paraAttr;
+    if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE)
+    {
+        paraAttr = GetStyleForNewParagraph(pos);
+        if (!paraAttr.IsDefault())
+            p = & paraAttr;
+    }
+
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+    wxTextAttrEx attr(GetDefaultStyle());
+#else
+    wxTextAttrEx attr(GetBasicStyle());
+    wxRichTextApplyStyle(attr, GetDefaultStyle());
+#endif
+
+    action->GetNewParagraphs() = paragraphs;
+
+    if (p)
+    {
+        wxRichTextObjectList::compatibility_iterator node = m_children.GetLast();
+        while (node)
+        {
+            wxRichTextParagraph* obj = (wxRichTextParagraph*) node->GetData();
+            obj->SetAttributes(*p);
+            node = node->GetPrevious();
+        }
+    }
+
+    action->SetPosition(pos);
+
+    // Set the range we'll need to delete in Undo
+    action->SetRange(wxRichTextRange(pos, pos + paragraphs.GetRange().GetEnd() - 1));
+
+    SubmitAction(action);
+
+    return true;
+}
+
 /// Submit command to insert the given text
-bool wxRichTextBuffer::InsertTextWithUndo(long pos, const wxString& text, wxRichTextCtrl* ctrl)
+bool wxRichTextBuffer::InsertTextWithUndo(long pos, const wxString& text, wxRichTextCtrl* ctrl, int flags)
 {
     wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Text"), wxRICHTEXT_INSERT, this, ctrl, false);
 
-    action->GetNewParagraphs().AddParagraphs(text);
-    if (action->GetNewParagraphs().GetChildCount() == 1)
+    wxTextAttrEx* p = NULL;
+    wxTextAttrEx paraAttr;
+    if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE)
+    {
+        paraAttr = GetStyleForNewParagraph(pos);
+        if (!paraAttr.IsDefault())
+            p = & paraAttr;
+    }
+
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+    wxTextAttrEx attr(GetDefaultStyle());
+#else
+    wxTextAttrEx attr(GetBasicStyle());
+    wxRichTextApplyStyle(attr, GetDefaultStyle());
+#endif
+
+    action->GetNewParagraphs().AddParagraphs(text, p);
+
+    int length = action->GetNewParagraphs().GetRange().GetLength();
+
+    if (text.length() > 0 && text.Last() != wxT('\n'))
+    {
+        // Don't count the newline when undoing
+        length --;
         action->GetNewParagraphs().SetPartialParagraph(true);
+    }
 
     action->SetPosition(pos);
 
     // Set the range we'll need to delete in Undo
-    action->SetRange(wxRichTextRange(pos, pos + text.Length() - 1));
+    action->SetRange(wxRichTextRange(pos, pos + length - 1));
 
     SubmitAction(action);
 
@@ -3238,12 +4616,25 @@ bool wxRichTextBuffer::InsertTextWithUndo(long pos, const wxString& text, wxRich
 }
 
 /// Submit command to insert the given text
-bool wxRichTextBuffer::InsertNewlineWithUndo(long pos, wxRichTextCtrl* ctrl)
+bool wxRichTextBuffer::InsertNewlineWithUndo(long pos, wxRichTextCtrl* ctrl, int flags)
 {
     wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Text"), wxRICHTEXT_INSERT, this, ctrl, false);
 
+    wxTextAttrEx* p = NULL;
+    wxTextAttrEx paraAttr;
+    if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE)
+    {
+        paraAttr = GetStyleForNewParagraph(pos);
+        if (!paraAttr.IsDefault())
+            p = & paraAttr;
+    }
+
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+    wxTextAttrEx attr(GetDefaultStyle());
+#else
     wxTextAttrEx attr(GetBasicStyle());
     wxRichTextApplyStyle(attr, GetDefaultStyle());
+#endif
 
     wxRichTextParagraph* newPara = new wxRichTextParagraph(wxEmptyString, this, & attr);
     action->GetNewParagraphs().AppendChild(newPara);
@@ -3251,6 +4642,9 @@ bool wxRichTextBuffer::InsertNewlineWithUndo(long pos, wxRichTextCtrl* ctrl)
     action->GetNewParagraphs().SetPartialParagraph(false);
     action->SetPosition(pos);
 
+    if (p)
+        newPara->SetAttributes(*p);
+
     // Set the range we'll need to delete in Undo
     action->SetRange(wxRichTextRange(pos, pos));
 
@@ -3260,14 +4654,30 @@ bool wxRichTextBuffer::InsertNewlineWithUndo(long pos, wxRichTextCtrl* ctrl)
 }
 
 /// Submit command to insert the given image
-bool wxRichTextBuffer::InsertImageWithUndo(long pos, const wxRichTextImageBlock& imageBlock, wxRichTextCtrl* ctrl)
+bool wxRichTextBuffer::InsertImageWithUndo(long pos, const wxRichTextImageBlock& imageBlock, wxRichTextCtrl* ctrl, int flags)
 {
     wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Image"), wxRICHTEXT_INSERT, this, ctrl, false);
 
+    wxTextAttrEx* p = NULL;
+    wxTextAttrEx paraAttr;
+    if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE)
+    {
+        paraAttr = GetStyleForNewParagraph(pos);
+        if (!paraAttr.IsDefault())
+            p = & paraAttr;
+    }
+
+#if wxRICHTEXT_USE_DYNAMIC_STYLES
+    wxTextAttrEx attr(GetDefaultStyle());
+#else
     wxTextAttrEx attr(GetBasicStyle());
     wxRichTextApplyStyle(attr, GetDefaultStyle());
+#endif
 
     wxRichTextParagraph* newPara = new wxRichTextParagraph(this, & attr);
+    if (p)
+        newPara->SetAttributes(*p);
+
     wxRichTextImage* imageObject = new wxRichTextImage(imageBlock, newPara);
     newPara->AppendChild(imageObject);
     action->GetNewParagraphs().AppendChild(newPara);
@@ -3285,6 +4695,39 @@ bool wxRichTextBuffer::InsertImageWithUndo(long pos, const wxRichTextImageBlock&
     return true;
 }
 
+/// Get the style that is appropriate for a new paragraph at this position.
+/// If the previous paragraph has a paragraph style name, look up the next-paragraph
+/// style.
+wxRichTextAttr wxRichTextBuffer::GetStyleForNewParagraph(long pos, bool caretPosition) const
+{
+    wxRichTextParagraph* para = GetParagraphAtPosition(pos, caretPosition);
+    if (para)
+    {
+        if (!para->GetAttributes().GetParagraphStyleName().IsEmpty() && GetStyleSheet())
+        {
+            wxRichTextParagraphStyleDefinition* paraDef = GetStyleSheet()->FindParagraphStyle(para->GetAttributes().GetParagraphStyleName());
+            if (paraDef && !paraDef->GetNextStyle().IsEmpty())
+            {
+                wxRichTextParagraphStyleDefinition* nextParaDef = GetStyleSheet()->FindParagraphStyle(paraDef->GetNextStyle());
+                if (nextParaDef)
+                    return nextParaDef->GetStyle();
+            }
+        }
+        wxRichTextAttr attr(para->GetAttributes());
+        int flags = attr.GetFlags();
+
+        // Eliminate character styles
+        flags &= ( (~ wxTEXT_ATTR_FONT) |
+                    (~ wxTEXT_ATTR_TEXT_COLOUR) |
+                    (~ wxTEXT_ATTR_BACKGROUND_COLOUR) );
+        attr.SetFlags(flags);
+
+        return attr;
+    }
+    else
+        return wxRichTextAttr();
+}
+
 /// Submit command to delete this range
 bool wxRichTextBuffer::DeleteRangeWithUndo(const wxRichTextRange& range, long initialCaretPosition, long WXUNUSED(newCaretPositon), wxRichTextCtrl* ctrl)
 {
@@ -3573,7 +5016,7 @@ bool wxRichTextBuffer::BeginLineSpacing(int lineSpacing)
 bool wxRichTextBuffer::BeginNumberedBullet(int bulletNumber, int leftIndent, int leftSubIndent, int bulletStyle)
 {
     wxTextAttrEx attr;
-    attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_BULLET_NUMBER|wxTEXT_ATTR_LEFT_INDENT);
+    attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_LEFT_INDENT);
     attr.SetBulletStyle(bulletStyle);
     attr.SetBulletNumber(bulletNumber);
     attr.SetLeftIndent(leftIndent, leftSubIndent);
@@ -3585,7 +5028,7 @@ bool wxRichTextBuffer::BeginNumberedBullet(int bulletNumber, int leftIndent, int
 bool wxRichTextBuffer::BeginSymbolBullet(wxChar symbol, int leftIndent, int leftSubIndent, int bulletStyle)
 {
     wxTextAttrEx attr;
-    attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_BULLET_SYMBOL|wxTEXT_ATTR_LEFT_INDENT);
+    attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_LEFT_INDENT);
     attr.SetBulletStyle(bulletStyle);
     attr.SetLeftIndent(leftIndent, leftSubIndent);
     attr.SetBulletSymbol(symbol);
@@ -3593,6 +5036,18 @@ bool wxRichTextBuffer::BeginSymbolBullet(wxChar symbol, int leftIndent, int left
     return BeginStyle(attr);
 }
 
+/// Begin standard bullet
+bool wxRichTextBuffer::BeginStandardBullet(const wxString& bulletName, int leftIndent, int leftSubIndent, int bulletStyle)
+{
+    wxTextAttrEx attr;
+    attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_LEFT_INDENT);
+    attr.SetBulletStyle(bulletStyle);
+    attr.SetLeftIndent(leftIndent, leftSubIndent);
+    attr.SetBulletName(bulletName);
+
+    return BeginStyle(attr);
+}
+
 /// Begin named character style
 bool wxRichTextBuffer::BeginCharacterStyle(const wxString& characterStyle)
 {
@@ -3625,6 +5080,24 @@ bool wxRichTextBuffer::BeginParagraphStyle(const wxString& paragraphStyle)
     return false;
 }
 
+/// Begin named list style
+bool wxRichTextBuffer::BeginListStyle(const wxString& listStyle, int level, int number)
+{
+    if (GetStyleSheet())
+    {
+        wxRichTextListStyleDefinition* def = GetStyleSheet()->FindListStyle(listStyle);
+        if (def)
+        {
+            wxTextAttrEx attr(def->GetCombinedStyleForLevel(level));
+
+            attr.SetBulletNumber(number);
+
+            return BeginStyle(attr);
+        }
+    }
+    return false;
+}
+
 /// Adds a handler to the end
 void wxRichTextBuffer::AddHandler(wxRichTextFileHandler *handler)
 {
@@ -3656,12 +5129,14 @@ wxRichTextFileHandler *wxRichTextBuffer::FindHandlerFilenameOrType(const wxStrin
 {
     if (imageType != wxRICHTEXT_TYPE_ANY)
         return FindHandler(imageType);
-    else
+    else if (!filename.IsEmpty())
     {
         wxString path, file, ext;
         wxSplitPath(filename, & path, & file, & ext);
         return FindHandler(ext, imageType);
     }
+    else
+        return NULL;
 }
 
 
@@ -3774,6 +5249,8 @@ wxString wxRichTextBuffer::GetExtWildcard(bool combine, bool save, wxArrayInt* t
 
 /// Load a file
 bool wxRichTextBuffer::LoadFile(const wxString& filename, int type)
+
+
 {
     wxRichTextFileHandler* handler = FindHandlerFilenameOrType(filename, type);
     if (handler)
@@ -3828,12 +5305,41 @@ bool wxRichTextBuffer::CopyToClipboard(const wxRichTextRange& range)
 {
     bool success = false;
 #if wxUSE_CLIPBOARD && wxUSE_DATAOBJ
-    wxString text = GetTextForRange(range);
+
     if (!wxTheClipboard->IsOpened() && wxTheClipboard->Open())
     {
-        success = wxTheClipboard->SetData(new wxTextDataObject(text));
+        wxTheClipboard->Clear();
+
+        // Add composite object
+
+        wxDataObjectComposite* compositeObject = new wxDataObjectComposite();
+
+        {
+            wxString text = GetTextForRange(range);
+
+#ifdef __WXMSW__
+            text = wxTextFile::Translate(text, wxTextFileType_Dos);
+#endif
+
+            compositeObject->Add(new wxTextDataObject(text), false /* not preferred */);
+        }
+
+        // Add rich text buffer data object. This needs the XML handler to be present.
+
+        if (FindHandler(wxRICHTEXT_TYPE_XML))
+        {
+            wxRichTextBuffer* richTextBuf = new wxRichTextBuffer;
+            CopyFragment(range, *richTextBuf);
+
+            compositeObject->Add(new wxRichTextBufferDataObject(richTextBuf), true /* preferred */);
+        }
+
+        if (wxTheClipboard->SetData(compositeObject))
+            success = true;
+
         wxTheClipboard->Close();
     }
+
 #else
     wxUnusedVar(range);
 #endif
@@ -3849,7 +5355,18 @@ bool wxRichTextBuffer::PasteFromClipboard(long position)
     {
         if (wxTheClipboard->Open())
         {
-            if (wxTheClipboard->IsSupported(wxDF_TEXT))
+            if (wxTheClipboard->IsSupported(wxDataFormat(wxRichTextBufferDataObject::GetRichTextBufferFormatId())))
+            {
+                wxRichTextBufferDataObject data;
+                wxTheClipboard->GetData(data);
+                wxRichTextBuffer* richTextBuffer = data.GetRichTextBuffer();
+                if (richTextBuffer)
+                {
+                    InsertParagraphsWithUndo(position+1, *richTextBuffer, GetRichTextCtrl(), wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE);
+                    delete richTextBuffer;
+                }
+            }
+            else if (wxTheClipboard->IsSupported(wxDF_TEXT) || wxTheClipboard->IsSupported(wxDF_UNICODETEXT))
             {
                 wxTextDataObject data;
                 wxTheClipboard->GetData(data);
@@ -3899,7 +5416,9 @@ bool wxRichTextBuffer::CanPasteFromClipboard() const
 #if wxUSE_CLIPBOARD && wxUSE_DATAOBJ
     if (!wxTheClipboard->IsOpened() && wxTheClipboard->Open())
     {
-        if (wxTheClipboard->IsSupported(wxDF_TEXT) || wxTheClipboard->IsSupported(wxDF_BITMAP))
+        if (wxTheClipboard->IsSupported(wxDF_TEXT) || wxTheClipboard->IsSupported(wxDF_UNICODETEXT) ||
+            wxTheClipboard->IsSupported(wxDataFormat(wxRichTextBufferDataObject::GetRichTextBufferFormatId())) ||
+            wxTheClipboard->IsSupported(wxDF_BITMAP))
         {
             canPaste = true;
         }
@@ -3932,13 +5451,35 @@ class wxRichTextModule: public wxModule
 DECLARE_DYNAMIC_CLASS(wxRichTextModule)
 public:
     wxRichTextModule() {}
-    bool OnInit() { wxRichTextBuffer::InitStandardHandlers(); return true; };
-    void OnExit() { wxRichTextBuffer::CleanUpHandlers(); };
+    bool OnInit()
+    {
+        wxRichTextBuffer::InitStandardHandlers();
+        wxRichTextParagraph::InitDefaultTabs();
+        return true;
+    };
+    void OnExit()
+    {
+        wxRichTextBuffer::CleanUpHandlers();
+        wxRichTextDecimalToRoman(-1);
+        wxRichTextParagraph::ClearDefaultTabs();
+        wxRichTextCtrl::ClearAvailableFontNames();
+    };
 };
 
 IMPLEMENT_DYNAMIC_CLASS(wxRichTextModule, wxModule)
 
 
+// If the richtext lib is dynamically loaded after the app has already started
+// (such as from wxPython) then the built-in module system will not init this
+// module.  Provide this function to do it manually.
+void wxRichTextModuleInit()
+{
+    wxModule* module = new wxRichTextModule;
+    module->Init();
+    wxModule::RegisterModule(module);
+}
+
+
 /*!
  * Commands for undo/redo
  *
@@ -4028,10 +5569,17 @@ bool wxRichTextAction::Do()
             m_buffer->UpdateRanges();
             m_buffer->Invalidate(GetRange());
 
-            long newCaretPosition = GetPosition() + m_newParagraphs.GetRange().GetLength() - 1;
+            long newCaretPosition = GetPosition() + m_newParagraphs.GetRange().GetLength();
+
+            // Character position to caret position
+            newCaretPosition --;
+
+            // Don't take into account the last newline
             if (m_newParagraphs.GetPartialParagraph())
                 newCaretPosition --;
 
+            newCaretPosition = wxMin(newCaretPosition, (m_buffer->GetRange().GetEnd()-1));
+
             UpdateAppearance(newCaretPosition, true /* send update event */);
 
             break;
@@ -4121,13 +5669,13 @@ void wxRichTextAction::UpdateAppearance(long caretPosition, bool sendUpdateEvent
             m_ctrl->Refresh(false);
 
             if (sendUpdateEvent)
-                m_ctrl->SendUpdateEvent();
+                m_ctrl->SendTextUpdatedEvent();
         }
     }
 }
 
 /// Replace the buffer paragraphs with the new ones.
-void wxRichTextAction::ApplyParagraphs(const wxRichTextFragment& fragment)
+void wxRichTextAction::ApplyParagraphs(const wxRichTextParagraphLayoutBox& fragment)
 {
     wxRichTextObjectList::compatibility_iterator node = fragment.GetChildren().GetFirst();
     while (node)
@@ -4260,7 +5808,7 @@ bool wxRichTextImage::Layout(wxDC& WXUNUSED(dc), const wxRect& rect, int WXUNUSE
 
 /// Get/set the object size for the given range. Returns false if the range
 /// is invalid for this object.
-bool wxRichTextImage::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& WXUNUSED(descent), wxDC& WXUNUSED(dc), int WXUNUSED(flags)) const
+bool wxRichTextImage::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& WXUNUSED(descent), wxDC& WXUNUSED(dc), int WXUNUSED(flags), wxPoint WXUNUSED(position)) const
 {
     if (!range.IsWithin(GetRange()))
         return false;
@@ -4277,6 +5825,8 @@ bool wxRichTextImage::GetRangeSize(const wxRichTextRange& range, wxSize& size, i
 /// Copy
 void wxRichTextImage::Copy(const wxRichTextImage& obj)
 {
+    wxRichTextObject::Copy(obj);
+
     m_image = obj.m_image;
     m_imageBlock = obj.m_imageBlock;
 }
@@ -4289,23 +5839,7 @@ void wxRichTextImage::Copy(const wxRichTextImage& obj)
 /// Compare two attribute objects
 bool wxTextAttrEq(const wxTextAttrEx& attr1, const wxTextAttrEx& attr2)
 {
-    return (
-        attr1.GetTextColour() == attr2.GetTextColour() &&
-        attr1.GetBackgroundColour() == attr2.GetBackgroundColour() &&
-        attr1.GetFont() == attr2.GetFont() &&
-        attr1.GetAlignment() == attr2.GetAlignment() &&
-        attr1.GetLeftIndent() == attr2.GetLeftIndent() &&
-        attr1.GetRightIndent() == attr2.GetRightIndent() &&
-        attr1.GetLeftSubIndent() == attr2.GetLeftSubIndent() &&
-        attr1.GetTabs().GetCount() == attr2.GetTabs().GetCount() && // heuristic
-        attr1.GetLineSpacing() == attr2.GetLineSpacing() &&
-        attr1.GetParagraphSpacingAfter() == attr2.GetParagraphSpacingAfter() &&
-        attr1.GetParagraphSpacingBefore() == attr2.GetParagraphSpacingBefore() &&
-        attr1.GetBulletStyle() == attr2.GetBulletStyle() &&
-        attr1.GetBulletNumber() == attr2.GetBulletNumber() &&
-        attr1.GetBulletSymbol() == attr2.GetBulletSymbol() &&
-        attr1.GetCharacterStyleName() == attr2.GetCharacterStyleName() &&
-        attr1.GetParagraphStyleName() == attr2.GetParagraphStyleName());
+    return (attr1 == attr2);
 }
 
 bool wxTextAttrEq(const wxTextAttrEx& attr1, const wxRichTextAttr& attr2)
@@ -4322,15 +5856,18 @@ bool wxTextAttrEq(const wxTextAttrEx& attr1, const wxRichTextAttr& attr2)
         attr1.GetLeftIndent() == attr2.GetLeftIndent() &&
         attr1.GetRightIndent() == attr2.GetRightIndent() &&
         attr1.GetLeftSubIndent() == attr2.GetLeftSubIndent() &&
-        attr1.GetTabs().GetCount() == attr2.GetTabs().GetCount() && // heuristic
+        wxRichTextTabsEq(attr1.GetTabs(), attr2.GetTabs()) &&
         attr1.GetLineSpacing() == attr2.GetLineSpacing() &&
         attr1.GetParagraphSpacingAfter() == attr2.GetParagraphSpacingAfter() &&
         attr1.GetParagraphSpacingBefore() == attr2.GetParagraphSpacingBefore() &&
         attr1.GetBulletStyle() == attr2.GetBulletStyle() &&
         attr1.GetBulletNumber() == attr2.GetBulletNumber() &&
         attr1.GetBulletSymbol() == attr2.GetBulletSymbol() &&
+        attr1.GetBulletName() == attr2.GetBulletName() &&
+        attr1.GetBulletFont() == attr2.GetBulletFont() &&
         attr1.GetCharacterStyleName() == attr2.GetCharacterStyleName() &&
-        attr1.GetParagraphStyleName() == attr2.GetParagraphStyleName());
+        attr1.GetParagraphStyleName() == attr2.GetParagraphStyleName() &&
+        attr1.GetListStyleName() == attr2.GetListStyleName());
 }
 
 /// Compare two attribute objects, but take into account the flags
@@ -4394,6 +5931,10 @@ bool wxTextAttrEqPartial(const wxTextAttrEx& attr1, const wxTextAttrEx& attr2, i
         (attr1.GetParagraphStyleName() != attr2.GetParagraphStyleName()))
         return false;
 
+    if ((flags & wxTEXT_ATTR_LIST_STYLE_NAME) &&
+        (attr1.GetListStyleName() != attr2.GetListStyleName()))
+        return false;
+
     if ((flags & wxTEXT_ATTR_BULLET_STYLE) &&
         (attr1.GetBulletStyle() != attr2.GetBulletStyle()))
          return false;
@@ -4403,13 +5944,17 @@ bool wxTextAttrEqPartial(const wxTextAttrEx& attr1, const wxTextAttrEx& attr2, i
          return false;
 
     if ((flags & wxTEXT_ATTR_BULLET_SYMBOL) &&
-        (attr1.GetBulletSymbol() != attr2.GetBulletSymbol()))
+        (attr1.GetBulletSymbol() != attr2.GetBulletSymbol()) &&
+        (attr1.GetBulletFont() != attr2.GetBulletFont()))
+         return false;
+
+    if ((flags & wxTEXT_ATTR_BULLET_NAME) &&
+        (attr1.GetBulletName() != attr2.GetBulletName()))
          return false;
 
-/* TODO
     if ((flags & wxTEXT_ATTR_TABS) &&
+        !wxRichTextTabsEq(attr1.GetTabs(), attr2.GetTabs()))
         return false;
-*/
 
     return true;
 }
@@ -4476,6 +6021,10 @@ bool wxTextAttrEqPartial(const wxTextAttrEx& attr1, const wxRichTextAttr& attr2,
         (attr1.GetParagraphStyleName() != attr2.GetParagraphStyleName()))
         return false;
 
+    if ((flags & wxTEXT_ATTR_LIST_STYLE_NAME) &&
+        (attr1.GetListStyleName() != attr2.GetListStyleName()))
+        return false;
+
     if ((flags & wxTEXT_ATTR_BULLET_STYLE) &&
         (attr1.GetBulletStyle() != attr2.GetBulletStyle()))
          return false;
@@ -4485,17 +6034,36 @@ bool wxTextAttrEqPartial(const wxTextAttrEx& attr1, const wxRichTextAttr& attr2,
          return false;
 
     if ((flags & wxTEXT_ATTR_BULLET_SYMBOL) &&
-        (attr1.GetBulletSymbol() != attr2.GetBulletSymbol()))
+        (attr1.GetBulletSymbol() != attr2.GetBulletSymbol()) &&
+        (attr1.GetBulletFont() != attr2.GetBulletFont()))
+         return false;
+
+    if ((flags & wxTEXT_ATTR_BULLET_NAME) &&
+        (attr1.GetBulletName() != attr2.GetBulletName()))
          return false;
 
-/* TODO
     if ((flags & wxTEXT_ATTR_TABS) &&
+        !wxRichTextTabsEq(attr1.GetTabs(), attr2.GetTabs()))
         return false;
-*/
 
     return true;
 }
 
+/// Compare tabs
+bool wxRichTextTabsEq(const wxArrayInt& tabs1, const wxArrayInt& tabs2)
+{
+    if (tabs1.GetCount() != tabs2.GetCount())
+        return false;
+
+    size_t i;
+    for (i = 0; i < tabs1.GetCount(); i++)
+    {
+        if (tabs1[i] != tabs2[i])
+            return false;
+    }
+    return true;
+}
+
 
 /// Apply one style to another
 bool wxRichTextApplyStyle(wxTextAttrEx& destStyle, const wxTextAttrEx& style)
@@ -4508,22 +6076,43 @@ bool wxRichTextApplyStyle(wxTextAttrEx& destStyle, const wxTextAttrEx& style)
         wxFont font = destStyle.GetFont();
 
         if (style.GetFlags() & wxTEXT_ATTR_FONT_FACE)
+        {
+            destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_FACE);
             font.SetFaceName(style.GetFont().GetFaceName());
+        }
 
         if (style.GetFlags() & wxTEXT_ATTR_FONT_SIZE)
+        {
+            destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_SIZE);
             font.SetPointSize(style.GetFont().GetPointSize());
+        }
 
         if (style.GetFlags() & wxTEXT_ATTR_FONT_ITALIC)
+        {
+            destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_ITALIC);
             font.SetStyle(style.GetFont().GetStyle());
+        }
 
         if (style.GetFlags() & wxTEXT_ATTR_FONT_WEIGHT)
+        {
+            destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_WEIGHT);
             font.SetWeight(style.GetFont().GetWeight());
+        }
 
         if (style.GetFlags() & wxTEXT_ATTR_FONT_UNDERLINE)
+        {
+            destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_UNDERLINE);
             font.SetUnderlined(style.GetFont().GetUnderlined());
+        }
 
         if (font != destStyle.GetFont())
+        {
+            int oldFlags = destStyle.GetFlags();
+
             destStyle.SetFont(font);
+
+            destStyle.SetFlags(oldFlags);
+        }
     }
 
     if ( style.GetTextColour().Ok() && style.HasTextColour())
@@ -4559,12 +6148,21 @@ bool wxRichTextApplyStyle(wxTextAttrEx& destStyle, const wxTextAttrEx& style)
     if (style.HasParagraphStyleName())
         destStyle.SetParagraphStyleName(style.GetParagraphStyleName());
 
+    if (style.HasListStyleName())
+        destStyle.SetListStyleName(style.GetListStyleName());
+
     if (style.HasBulletStyle())
-    {
         destStyle.SetBulletStyle(style.GetBulletStyle());
+
+    if (style.HasBulletSymbol())
+    {
         destStyle.SetBulletSymbol(style.GetBulletSymbol());
+        destStyle.SetBulletFont(style.GetBulletFont());
     }
 
+    if (style.HasBulletName())
+        destStyle.SetBulletName(style.GetBulletName());
+
     if (style.HasBulletNumber())
         destStyle.SetBulletNumber(style.GetBulletNumber());
 
@@ -4580,12 +6178,11 @@ bool wxRichTextApplyStyle(wxRichTextAttr& destStyle, const wxTextAttrEx& style)
     return true;
 }
 
-bool wxRichTextApplyStyle(wxTextAttrEx& destStyle, const wxRichTextAttr& style)
+bool wxRichTextApplyStyle(wxTextAttrEx& destStyle, const wxRichTextAttr& style, wxRichTextAttr* compareWith)
 {
-
     // Whole font. Avoiding setting individual attributes if possible, since
     // it recreates the font each time.
-    if ((style.GetFlags() & (wxTEXT_ATTR_FONT)) == (wxTEXT_ATTR_FONT))
+    if (((style.GetFlags() & (wxTEXT_ATTR_FONT)) == (wxTEXT_ATTR_FONT)) && !compareWith)
     {
         destStyle.SetFont(wxFont(style.GetFontSize(), destStyle.GetFont().Ok() ? destStyle.GetFont().GetFamily() : wxDEFAULT,
             style.GetFontStyle(), style.GetFontWeight(), style.GetFontUnderlined(), style.GetFontFaceName()));
@@ -4595,69 +6192,243 @@ bool wxRichTextApplyStyle(wxTextAttrEx& destStyle, const wxRichTextAttr& style)
         wxFont font = destStyle.GetFont();
 
         if (style.GetFlags() & wxTEXT_ATTR_FONT_FACE)
-            font.SetFaceName(style.GetFontFaceName());
+        {
+            if (compareWith && compareWith->HasFaceName() && compareWith->GetFontFaceName() == style.GetFontFaceName())
+            {
+                // The same as currently displayed, so don't set
+            }
+            else
+            {
+                destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_FACE);
+                font.SetFaceName(style.GetFontFaceName());
+            }
+        }
 
         if (style.GetFlags() & wxTEXT_ATTR_FONT_SIZE)
-            font.SetPointSize(style.GetFontSize());
+        {
+            if (compareWith && compareWith->HasSize() && compareWith->GetFontSize() == style.GetFontSize())
+            {
+                // The same as currently displayed, so don't set
+            }
+            else
+            {
+                destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_SIZE);
+                font.SetPointSize(style.GetFontSize());
+            }
+        }
 
         if (style.GetFlags() & wxTEXT_ATTR_FONT_ITALIC)
-            font.SetStyle(style.GetFontStyle());
+        {
+            if (compareWith && compareWith->HasItalic() && compareWith->GetFontStyle() == style.GetFontStyle())
+            {
+                // The same as currently displayed, so don't set
+            }
+            else
+            {
+                destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_ITALIC);
+                font.SetStyle(style.GetFontStyle());
+            }
+        }
 
         if (style.GetFlags() & wxTEXT_ATTR_FONT_WEIGHT)
-            font.SetWeight(style.GetFontWeight());
+        {
+            if (compareWith && compareWith->HasWeight() && compareWith->GetFontWeight() == style.GetFontWeight())
+            {
+                // The same as currently displayed, so don't set
+            }
+            else
+            {
+                destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_WEIGHT);
+                font.SetWeight(style.GetFontWeight());
+            }
+        }
 
         if (style.GetFlags() & wxTEXT_ATTR_FONT_UNDERLINE)
-            font.SetUnderlined(style.GetFontUnderlined());
+        {
+            if (compareWith && compareWith->HasUnderlined() && compareWith->GetFontUnderlined() == style.GetFontUnderlined())
+            {
+                // The same as currently displayed, so don't set
+            }
+            else
+            {
+                destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_UNDERLINE);
+                font.SetUnderlined(style.GetFontUnderlined());
+            }
+        }
 
         if (font != destStyle.GetFont())
+        {
+            int oldFlags = destStyle.GetFlags();
+
             destStyle.SetFont(font);
+
+            destStyle.SetFlags(oldFlags);
+        }
     }
 
-    if ( style.GetTextColour().Ok() && style.HasTextColour())
-        destStyle.SetTextColour(style.GetTextColour());
+    if (style.GetTextColour().Ok() && style.HasTextColour())
+    {
+        if (!(compareWith && compareWith->HasTextColour() && compareWith->GetTextColour() == style.GetTextColour()))
+            destStyle.SetTextColour(style.GetTextColour());
+    }
 
-    if ( style.GetBackgroundColour().Ok() && style.HasBackgroundColour())
-        destStyle.SetBackgroundColour(style.GetBackgroundColour());
+    if (style.GetBackgroundColour().Ok() && style.HasBackgroundColour())
+    {
+        if (!(compareWith && compareWith->HasBackgroundColour() && compareWith->GetBackgroundColour() == style.GetBackgroundColour()))
+            destStyle.SetBackgroundColour(style.GetBackgroundColour());
+    }
 
     if (style.HasAlignment())
-        destStyle.SetAlignment(style.GetAlignment());
+    {
+        if (!(compareWith && compareWith->HasAlignment() && compareWith->GetAlignment() == style.GetAlignment()))
+            destStyle.SetAlignment(style.GetAlignment());
+    }
 
     if (style.HasTabs())
-        destStyle.SetTabs(style.GetTabs());
+    {
+        if (!(compareWith && compareWith->HasTabs() && wxRichTextTabsEq(compareWith->GetTabs(), style.GetTabs())))
+            destStyle.SetTabs(style.GetTabs());
+    }
 
     if (style.HasLeftIndent())
-        destStyle.SetLeftIndent(style.GetLeftIndent(), style.GetLeftSubIndent());
+    {
+        if (!(compareWith && compareWith->HasLeftIndent() && compareWith->GetLeftIndent() == style.GetLeftIndent()
+                          && compareWith->GetLeftSubIndent() == style.GetLeftSubIndent()))
+            destStyle.SetLeftIndent(style.GetLeftIndent(), style.GetLeftSubIndent());
+    }
 
     if (style.HasRightIndent())
-        destStyle.SetRightIndent(style.GetRightIndent());
+    {
+        if (!(compareWith && compareWith->HasRightIndent() && compareWith->GetRightIndent() == style.GetRightIndent()))
+            destStyle.SetRightIndent(style.GetRightIndent());
+    }
 
     if (style.HasParagraphSpacingAfter())
-        destStyle.SetParagraphSpacingAfter(style.GetParagraphSpacingAfter());
+    {
+        if (!(compareWith && compareWith->HasParagraphSpacingAfter() && compareWith->GetParagraphSpacingAfter() == style.GetParagraphSpacingAfter()))
+            destStyle.SetParagraphSpacingAfter(style.GetParagraphSpacingAfter());
+    }
 
     if (style.HasParagraphSpacingBefore())
-        destStyle.SetParagraphSpacingBefore(style.GetParagraphSpacingBefore());
+    {
+        if (!(compareWith && compareWith->HasParagraphSpacingBefore() && compareWith->GetParagraphSpacingBefore() == style.GetParagraphSpacingBefore()))
+            destStyle.SetParagraphSpacingBefore(style.GetParagraphSpacingBefore());
+    }
 
     if (style.HasLineSpacing())
-        destStyle.SetLineSpacing(style.GetLineSpacing());
+    {
+        if (!(compareWith && compareWith->HasLineSpacing() && compareWith->GetLineSpacing() == style.GetLineSpacing()))
+            destStyle.SetLineSpacing(style.GetLineSpacing());
+    }
 
     if (style.HasCharacterStyleName())
-        destStyle.SetCharacterStyleName(style.GetCharacterStyleName());
+    {
+        if (!(compareWith && compareWith->HasCharacterStyleName() && compareWith->GetCharacterStyleName() == style.GetCharacterStyleName()))
+            destStyle.SetCharacterStyleName(style.GetCharacterStyleName());
+    }
 
     if (style.HasParagraphStyleName())
-        destStyle.SetParagraphStyleName(style.GetParagraphStyleName());
+    {
+        if (!(compareWith && compareWith->HasParagraphStyleName() && compareWith->GetParagraphStyleName() == style.GetParagraphStyleName()))
+            destStyle.SetParagraphStyleName(style.GetParagraphStyleName());
+    }
+
+    if (style.HasListStyleName())
+    {
+        if (!(compareWith && compareWith->HasListStyleName() && compareWith->GetListStyleName() == style.GetListStyleName()))
+            destStyle.SetListStyleName(style.GetListStyleName());
+    }
 
     if (style.HasBulletStyle())
     {
-        destStyle.SetBulletStyle(style.GetBulletStyle());
-        destStyle.SetBulletSymbol(style.GetBulletSymbol());
+        if (!(compareWith && compareWith->HasBulletStyle() && compareWith->GetBulletStyle() == style.GetBulletStyle()))
+            destStyle.SetBulletStyle(style.GetBulletStyle());
+    }
+
+    if (style.HasBulletSymbol())
+    {
+        if (!(compareWith && compareWith->HasBulletSymbol() && compareWith->GetBulletSymbol() == style.GetBulletSymbol()))
+        {
+            destStyle.SetBulletSymbol(style.GetBulletSymbol());
+            destStyle.SetBulletFont(style.GetBulletFont());
+        }
     }
 
     if (style.HasBulletNumber())
-        destStyle.SetBulletNumber(style.GetBulletNumber());
+    {
+        if (!(compareWith && compareWith->HasBulletNumber() && compareWith->GetBulletNumber() == style.GetBulletNumber()))
+            destStyle.SetBulletNumber(style.GetBulletNumber());
+    }
+
+    if (style.HasBulletName())
+    {
+        if (!(compareWith && compareWith->HasBulletName() && compareWith->GetBulletName() == style.GetBulletName()))
+            destStyle.SetBulletName(style.GetBulletName());
+    }
 
     return true;
 }
 
+void wxSetFontPreservingStyles(wxTextAttr& attr, const wxFont& font)
+{
+    long flags = attr.GetFlags();
+    attr.SetFont(font);
+    attr.SetFlags(flags);
+}
+
+/// Convert a decimal to Roman numerals
+wxString wxRichTextDecimalToRoman(long n)
+{
+    static wxArrayInt decimalNumbers;
+    static wxArrayString romanNumbers;
+
+    // Clean up arrays
+    if (n == -1)
+    {
+        decimalNumbers.Clear();
+        romanNumbers.Clear();
+        return wxEmptyString;
+    }
+
+    if (decimalNumbers.GetCount() == 0)
+    {
+        #define wxRichTextAddDecRom(n, r) decimalNumbers.Add(n); romanNumbers.Add(r);
+
+        wxRichTextAddDecRom(1000, wxT("M"));
+        wxRichTextAddDecRom(900, wxT("CM"));
+        wxRichTextAddDecRom(500, wxT("D"));
+        wxRichTextAddDecRom(400, wxT("CD"));
+        wxRichTextAddDecRom(100, wxT("C"));
+        wxRichTextAddDecRom(90, wxT("XC"));
+        wxRichTextAddDecRom(50, wxT("L"));
+        wxRichTextAddDecRom(40, wxT("XL"));
+        wxRichTextAddDecRom(10, wxT("X"));
+        wxRichTextAddDecRom(9, wxT("IX"));
+        wxRichTextAddDecRom(5, wxT("V"));
+        wxRichTextAddDecRom(4, wxT("IV"));
+        wxRichTextAddDecRom(1, wxT("I"));
+    }
+
+    int i = 0;
+    wxString roman;
+
+    while (n > 0 && i < 13)
+    {
+        if (n >= decimalNumbers[i])
+        {
+            n -= decimalNumbers[i];
+            roman += romanNumbers[i];
+        }
+        else
+        {
+            i ++;
+        }
+    }
+    if (roman.IsEmpty())
+        roman = wxT("0");
+    return roman;
+}
+
 
 /*!
  * wxRichTextAttr stores attributes without a wxFont object, so is a much more
@@ -4729,9 +6500,12 @@ void wxRichTextAttr::operator= (const wxRichTextAttr& attr)
     m_lineSpacing = attr.m_lineSpacing;
     m_characterStyleName = attr.m_characterStyleName;
     m_paragraphStyleName = attr.m_paragraphStyleName;
+    m_listStyleName = attr.m_listStyleName;
     m_bulletStyle = attr.m_bulletStyle;
     m_bulletNumber = attr.m_bulletNumber;
     m_bulletSymbol = attr.m_bulletSymbol;
+    m_bulletFont = attr.m_bulletFont;
+    m_bulletName = attr.m_bulletName;
 }
 
 // operators
@@ -4751,6 +6525,12 @@ void wxRichTextAttr::operator= (const wxTextAttrEx& attr)
     m_lineSpacing = attr.GetLineSpacing();
     m_characterStyleName = attr.GetCharacterStyleName();
     m_paragraphStyleName = attr.GetParagraphStyleName();
+    m_listStyleName = attr.GetListStyleName();
+    m_bulletStyle = attr.GetBulletStyle();
+    m_bulletNumber = attr.GetBulletNumber();
+    m_bulletSymbol = attr.GetBulletSymbol();
+    m_bulletName = attr.GetBulletName();
+    m_bulletFont = attr.GetBulletFont();
 
     if (attr.GetFont().Ok())
         GetFontAttributes(attr.GetFont());
@@ -4764,6 +6544,40 @@ wxRichTextAttr::operator wxTextAttrEx () const
     return attr;
 }
 
+// Equality test
+bool wxRichTextAttr::operator== (const wxRichTextAttr& attr) const
+{
+    return  GetFlags() == attr.GetFlags() &&
+
+            GetTextColour() == attr.GetTextColour() &&
+            GetBackgroundColour() == attr.GetBackgroundColour() &&
+
+            GetAlignment() == attr.GetAlignment() &&
+            GetLeftIndent() == attr.GetLeftIndent() &&
+            GetLeftSubIndent() == attr.GetLeftSubIndent() &&
+            GetRightIndent() == attr.GetRightIndent() &&
+            wxRichTextTabsEq(GetTabs(), attr.GetTabs()) &&
+
+            GetParagraphSpacingAfter() == attr.GetParagraphSpacingAfter() &&
+            GetParagraphSpacingBefore() == attr.GetParagraphSpacingBefore() &&
+            GetLineSpacing() == attr.GetLineSpacing() &&
+            GetCharacterStyleName() == attr.GetCharacterStyleName() &&
+            GetParagraphStyleName() == attr.GetParagraphStyleName() &&
+            GetListStyleName() == attr.GetListStyleName() &&
+
+            GetBulletStyle() == attr.GetBulletStyle() &&
+            GetBulletSymbol() == attr.GetBulletSymbol() &&
+            GetBulletNumber() == attr.GetBulletNumber() &&
+            GetBulletFont() == attr.GetBulletFont() &&
+            GetBulletName() == attr.GetBulletName() &&
+
+            m_fontSize == attr.m_fontSize &&
+            m_fontStyle == attr.m_fontStyle &&
+            m_fontWeight == attr.m_fontWeight &&
+            m_fontUnderlined == attr.m_fontUnderlined &&
+            m_fontFaceName == attr.m_fontFaceName;
+}
+
 // Copy to a wxTextAttr
 void wxRichTextAttr::CopyTo(wxTextAttrEx& attr) const
 {
@@ -4774,7 +6588,6 @@ void wxRichTextAttr::CopyTo(wxTextAttrEx& attr) const
     attr.SetLeftIndent(GetLeftIndent(), GetLeftSubIndent());
     attr.SetRightIndent(GetRightIndent());
     attr.SetFont(CreateFont());
-    attr.SetFlags(GetFlags()); // Important: set after SetFont, since SetFont sets flags
 
     attr.SetParagraphSpacingAfter(m_paragraphSpacingAfter);
     attr.SetParagraphSpacingBefore(m_paragraphSpacingBefore);
@@ -4782,9 +6595,13 @@ void wxRichTextAttr::CopyTo(wxTextAttrEx& attr) const
     attr.SetBulletStyle(m_bulletStyle);
     attr.SetBulletNumber(m_bulletNumber);
     attr.SetBulletSymbol(m_bulletSymbol);
+    attr.SetBulletName(m_bulletName);
+    attr.SetBulletFont(m_bulletFont);
     attr.SetCharacterStyleName(m_characterStyleName);
     attr.SetParagraphStyleName(m_paragraphStyleName);
+    attr.SetListStyleName(m_listStyleName);
 
+    attr.SetFlags(GetFlags()); // Important: set after SetFont and others, since they set flags
 }
 
 // Create font from font attributes.
@@ -4812,6 +6629,103 @@ bool wxRichTextAttr::GetFontAttributes(const wxFont& font)
     return true;
 }
 
+wxRichTextAttr wxRichTextAttr::Combine(const wxRichTextAttr& attr,
+                               const wxRichTextAttr& attrDef,
+                               const wxTextCtrlBase *text)
+{
+    wxColour colFg = attr.GetTextColour();
+    if ( !colFg.Ok() )
+    {
+        colFg = attrDef.GetTextColour();
+
+        if ( text && !colFg.Ok() )
+            colFg = text->GetForegroundColour();
+    }
+
+    wxColour colBg = attr.GetBackgroundColour();
+    if ( !colBg.Ok() )
+    {
+        colBg = attrDef.GetBackgroundColour();
+
+        if ( text && !colBg.Ok() )
+            colBg = text->GetBackgroundColour();
+    }
+
+    wxRichTextAttr newAttr(colFg, colBg);
+
+    if (attr.HasWeight())
+        newAttr.SetFontWeight(attr.GetFontWeight());
+
+    if (attr.HasSize())
+        newAttr.SetFontSize(attr.GetFontSize());
+
+    if (attr.HasItalic())
+        newAttr.SetFontStyle(attr.GetFontStyle());
+
+    if (attr.HasUnderlined())
+        newAttr.SetFontUnderlined(attr.GetFontUnderlined());
+
+    if (attr.HasFaceName())
+        newAttr.SetFontFaceName(attr.GetFontFaceName());
+
+    if (attr.HasAlignment())
+        newAttr.SetAlignment(attr.GetAlignment());
+    else if (attrDef.HasAlignment())
+        newAttr.SetAlignment(attrDef.GetAlignment());
+
+    if (attr.HasTabs())
+        newAttr.SetTabs(attr.GetTabs());
+    else if (attrDef.HasTabs())
+        newAttr.SetTabs(attrDef.GetTabs());
+
+    if (attr.HasLeftIndent())
+        newAttr.SetLeftIndent(attr.GetLeftIndent(), attr.GetLeftSubIndent());
+    else if (attrDef.HasLeftIndent())
+        newAttr.SetLeftIndent(attrDef.GetLeftIndent(), attr.GetLeftSubIndent());
+
+    if (attr.HasRightIndent())
+        newAttr.SetRightIndent(attr.GetRightIndent());
+    else if (attrDef.HasRightIndent())
+        newAttr.SetRightIndent(attrDef.GetRightIndent());
+
+    // NEW ATTRIBUTES
+
+    if (attr.HasParagraphSpacingAfter())
+        newAttr.SetParagraphSpacingAfter(attr.GetParagraphSpacingAfter());
+
+    if (attr.HasParagraphSpacingBefore())
+        newAttr.SetParagraphSpacingBefore(attr.GetParagraphSpacingBefore());
+
+    if (attr.HasLineSpacing())
+        newAttr.SetLineSpacing(attr.GetLineSpacing());
+
+    if (attr.HasCharacterStyleName())
+        newAttr.SetCharacterStyleName(attr.GetCharacterStyleName());
+
+    if (attr.HasParagraphStyleName())
+        newAttr.SetParagraphStyleName(attr.GetParagraphStyleName());
+
+    if (attr.HasListStyleName())
+        newAttr.SetListStyleName(attr.GetListStyleName());
+
+    if (attr.HasBulletStyle())
+        newAttr.SetBulletStyle(attr.GetBulletStyle());
+
+    if (attr.HasBulletNumber())
+        newAttr.SetBulletNumber(attr.GetBulletNumber());
+
+    if (attr.HasBulletName())
+        newAttr.SetBulletName(attr.GetBulletName());
+
+    if (attr.HasBulletSymbol())
+    {
+        newAttr.SetBulletSymbol(attr.GetBulletSymbol());
+        newAttr.SetBulletFont(attr.GetBulletFont());
+    }
+
+    return newAttr;
+}
+
 /*!
  * wxTextAttrEx is an extended version of wxTextAttr with more paragraph attributes.
  */
@@ -4823,9 +6737,12 @@ wxTextAttrEx::wxTextAttrEx(const wxTextAttrEx& attr): wxTextAttr(attr)
     m_lineSpacing = attr.m_lineSpacing;
     m_paragraphStyleName = attr.m_paragraphStyleName;
     m_characterStyleName = attr.m_characterStyleName;
+    m_listStyleName = attr.m_listStyleName;
     m_bulletStyle = attr.m_bulletStyle;
     m_bulletNumber = attr.m_bulletNumber;
     m_bulletSymbol = attr.m_bulletSymbol;
+    m_bulletName = attr.m_bulletName;
+    m_bulletFont = attr.m_bulletFont;
 }
 
 // Initialise this object.
@@ -4836,7 +6753,6 @@ void wxTextAttrEx::Init()
     m_lineSpacing = 0;
     m_bulletStyle = wxTEXT_ATTR_BULLET_STYLE_NONE;
     m_bulletNumber = 0;
-    m_bulletSymbol = 0;
     m_bulletSymbol = wxT('*');
 }
 
@@ -4850,9 +6766,12 @@ void wxTextAttrEx::operator= (const wxTextAttrEx& attr)
     m_lineSpacing = attr.m_lineSpacing;
     m_characterStyleName = attr.m_characterStyleName;
     m_paragraphStyleName = attr.m_paragraphStyleName;
+    m_listStyleName = attr.m_listStyleName;
     m_bulletStyle = attr.m_bulletStyle;
     m_bulletNumber = attr.m_bulletNumber;
     m_bulletSymbol = attr.m_bulletSymbol;
+    m_bulletFont = attr.m_bulletFont;
+    m_bulletName = attr.m_bulletName;
 }
 
 // Assignment from a wxTextAttr object.
@@ -4861,6 +6780,180 @@ void wxTextAttrEx::operator= (const wxTextAttr& attr)
     wxTextAttr::operator= (attr);
 }
 
+// Equality test
+bool wxTextAttrEx::operator== (const wxTextAttrEx& attr) const
+{
+    return (
+        GetTextColour() == attr.GetTextColour() &&
+        GetBackgroundColour() == attr.GetBackgroundColour() &&
+        GetFont() == attr.GetFont() &&
+        GetAlignment() == attr.GetAlignment() &&
+        GetLeftIndent() == attr.GetLeftIndent() &&
+        GetRightIndent() == attr.GetRightIndent() &&
+        GetLeftSubIndent() == attr.GetLeftSubIndent() &&
+        wxRichTextTabsEq(GetTabs(), attr.GetTabs()) &&
+        GetLineSpacing() == attr.GetLineSpacing() &&
+        GetParagraphSpacingAfter() == attr.GetParagraphSpacingAfter() &&
+        GetParagraphSpacingBefore() == attr.GetParagraphSpacingBefore() &&
+        GetBulletStyle() == attr.GetBulletStyle() &&
+        GetBulletNumber() == attr.GetBulletNumber() &&
+        GetBulletSymbol() == attr.GetBulletSymbol() &&
+        GetBulletName() == attr.GetBulletName() &&
+        GetBulletFont() == attr.GetBulletFont() &&
+        GetCharacterStyleName() == attr.GetCharacterStyleName() &&
+        GetParagraphStyleName() == attr.GetParagraphStyleName() &&
+        GetListStyleName() == attr.GetListStyleName());
+}
+
+wxTextAttrEx wxTextAttrEx::CombineEx(const wxTextAttrEx& attr,
+                               const wxTextAttrEx& attrDef,
+                               const wxTextCtrlBase *text)
+{
+    wxTextAttrEx newAttr;
+
+    // If attr specifies the complete font, just use that font, overriding all
+    // default font attributes.
+    if ((attr.GetFlags() & wxTEXT_ATTR_FONT) == wxTEXT_ATTR_FONT)
+        newAttr.SetFont(attr.GetFont());
+    else
+    {
+        // First find the basic, default font
+        long flags = 0;
+
+        wxFont font;
+        if (attrDef.HasFont())
+        {
+            flags = (attrDef.GetFlags() & wxTEXT_ATTR_FONT);
+            font = attrDef.GetFont();
+        }
+        else
+        {
+            if (text)
+                font = text->GetFont();
+
+            // We leave flags at 0 because no font attributes have been specified yet
+        }
+        if (!font.Ok())
+            font = *wxNORMAL_FONT;
+
+        // Otherwise, if there are font attributes in attr, apply them
+        if (attr.GetFlags() & wxTEXT_ATTR_FONT)
+        {
+            if (attr.HasSize())
+            {
+                flags |= wxTEXT_ATTR_FONT_SIZE;
+                font.SetPointSize(attr.GetFont().GetPointSize());
+            }
+            if (attr.HasItalic())
+            {
+                flags |= wxTEXT_ATTR_FONT_ITALIC;;
+                font.SetStyle(attr.GetFont().GetStyle());
+            }
+            if (attr.HasWeight())
+            {
+                flags |= wxTEXT_ATTR_FONT_WEIGHT;
+                font.SetWeight(attr.GetFont().GetWeight());
+            }
+            if (attr.HasFaceName())
+            {
+                flags |= wxTEXT_ATTR_FONT_FACE;
+                font.SetFaceName(attr.GetFont().GetFaceName());
+            }
+            if (attr.HasUnderlined())
+            {
+                flags |= wxTEXT_ATTR_FONT_UNDERLINE;
+                font.SetUnderlined(attr.GetFont().GetUnderlined());
+            }
+            newAttr.SetFont(font);
+            newAttr.SetFlags(newAttr.GetFlags()|flags);
+        }
+    }
+
+    // TODO: should really check we are specifying these in the flags,
+    // before setting them, as per above; or we will set them willy-nilly.
+    // However, we should also check whether this is the intention
+    // as per wxTextAttr::Combine, i.e. always to have valid colours
+    // in the style.
+    wxColour colFg = attr.GetTextColour();
+    if ( !colFg.Ok() )
+    {
+        colFg = attrDef.GetTextColour();
+
+        if ( text && !colFg.Ok() )
+            colFg = text->GetForegroundColour();
+    }
+
+    wxColour colBg = attr.GetBackgroundColour();
+    if ( !colBg.Ok() )
+    {
+        colBg = attrDef.GetBackgroundColour();
+
+        if ( text && !colBg.Ok() )
+            colBg = text->GetBackgroundColour();
+    }
+
+    newAttr.SetTextColour(colFg);
+    newAttr.SetBackgroundColour(colBg);
+
+    if (attr.HasAlignment())
+        newAttr.SetAlignment(attr.GetAlignment());
+    else if (attrDef.HasAlignment())
+        newAttr.SetAlignment(attrDef.GetAlignment());
+
+    if (attr.HasTabs())
+        newAttr.SetTabs(attr.GetTabs());
+    else if (attrDef.HasTabs())
+        newAttr.SetTabs(attrDef.GetTabs());
+
+    if (attr.HasLeftIndent())
+        newAttr.SetLeftIndent(attr.GetLeftIndent(), attr.GetLeftSubIndent());
+    else if (attrDef.HasLeftIndent())
+        newAttr.SetLeftIndent(attrDef.GetLeftIndent(), attr.GetLeftSubIndent());
+
+    if (attr.HasRightIndent())
+        newAttr.SetRightIndent(attr.GetRightIndent());
+    else if (attrDef.HasRightIndent())
+        newAttr.SetRightIndent(attrDef.GetRightIndent());
+
+    // NEW ATTRIBUTES
+
+    if (attr.HasParagraphSpacingAfter())
+        newAttr.SetParagraphSpacingAfter(attr.GetParagraphSpacingAfter());
+
+    if (attr.HasParagraphSpacingBefore())
+        newAttr.SetParagraphSpacingBefore(attr.GetParagraphSpacingBefore());
+
+    if (attr.HasLineSpacing())
+        newAttr.SetLineSpacing(attr.GetLineSpacing());
+
+    if (attr.HasCharacterStyleName())
+        newAttr.SetCharacterStyleName(attr.GetCharacterStyleName());
+
+    if (attr.HasParagraphStyleName())
+        newAttr.SetParagraphStyleName(attr.GetParagraphStyleName());
+
+    if (attr.HasListStyleName())
+        newAttr.SetListStyleName(attr.GetListStyleName());
+
+    if (attr.HasBulletStyle())
+        newAttr.SetBulletStyle(attr.GetBulletStyle());
+
+    if (attr.HasBulletNumber())
+        newAttr.SetBulletNumber(attr.GetBulletNumber());
+
+    if (attr.HasBulletName())
+        newAttr.SetBulletName(attr.GetBulletName());
+
+    if (attr.HasBulletSymbol())
+    {
+        newAttr.SetBulletSymbol(attr.GetBulletSymbol());
+        newAttr.SetBulletFont(attr.GetBulletFont());
+    }
+
+    return newAttr;
+}
+
+
 /*!
  * wxRichTextFileHandler
  * Base class for file handlers
@@ -4945,7 +7038,7 @@ bool wxRichTextPlainTextHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputSt
     wxString text = buffer->GetText();
     wxCharBuffer buf = text.ToAscii();
 
-    stream.Write((const char*) buf, text.Length());
+    stream.Write((const char*) buf, text.length());
     return true;
 }
 #endif // wxUSE_STREAMS
@@ -5115,7 +7208,7 @@ bool wxRichTextImageBlock::Load(wxImage& image)
         return false;
 
     // Read in the image.
-#if 1
+#if wxUSE_STREAMS
     wxMemoryInputStream mstream(m_data, m_dataSize);
     bool success = image.LoadFile(mstream, GetImageType());
 #else
@@ -5144,7 +7237,7 @@ bool wxRichTextImageBlock::WriteHex(wxOutputStream& stream)
         hex = wxDecToHex(m_data[i]);
         wxCharBuffer buf = hex.ToAscii();
 
-        stream.Write((const char*) buf, hex.Length());
+        stream.Write((const char*) buf, hex.length());
     }
 
     return true;
@@ -5175,7 +7268,6 @@ bool wxRichTextImageBlock::ReadHex(wxInputStream& stream, int length, int imageT
     return true;
 }
 
-
 // Allocate and read from stream as a block of memory
 unsigned char* wxRichTextImageBlock::ReadBlock(wxInputStream& stream, size_t size)
 {
@@ -5215,5 +7307,123 @@ bool wxRichTextImageBlock::WriteBlock(const wxString& filename, unsigned char* b
     return WriteBlock(outStream, block, size);
 }
 
+#if wxUSE_DATAOBJ
+
+/*!
+ * The data object for a wxRichTextBuffer
+ */
+
+const wxChar *wxRichTextBufferDataObject::ms_richTextBufferFormatId = wxT("wxShape");
+
+wxRichTextBufferDataObject::wxRichTextBufferDataObject(wxRichTextBuffer* richTextBuffer)
+{
+    m_richTextBuffer = richTextBuffer;
+
+    // this string should uniquely identify our format, but is otherwise
+    // arbitrary
+    m_formatRichTextBuffer.SetId(GetRichTextBufferFormatId());
+
+    SetFormat(m_formatRichTextBuffer);
+}
+
+wxRichTextBufferDataObject::~wxRichTextBufferDataObject()
+{
+    delete m_richTextBuffer;
+}
+
+// after a call to this function, the richTextBuffer is owned by the caller and it
+// is responsible for deleting it!
+wxRichTextBuffer* wxRichTextBufferDataObject::GetRichTextBuffer()
+{
+    wxRichTextBuffer* richTextBuffer = m_richTextBuffer;
+    m_richTextBuffer = NULL;
+
+    return richTextBuffer;
+}
+
+wxDataFormat wxRichTextBufferDataObject::GetPreferredFormat(Direction WXUNUSED(dir)) const
+{
+    return m_formatRichTextBuffer;
+}
+
+size_t wxRichTextBufferDataObject::GetDataSize() const
+{
+    if (!m_richTextBuffer)
+        return 0;
+
+    wxString bufXML;
+
+    {
+        wxStringOutputStream stream(& bufXML);
+        if (!m_richTextBuffer->SaveFile(stream, wxRICHTEXT_TYPE_XML))
+        {
+            wxLogError(wxT("Could not write the buffer to an XML stream.\nYou may have forgotten to add the XML file handler."));
+            return 0;
+        }
+    }
+
+#if wxUSE_UNICODE
+    wxCharBuffer buffer = bufXML.mb_str(wxConvUTF8);
+    return strlen(buffer) + 1;
+#else
+    return bufXML.Length()+1;
+#endif
+}
+
+bool wxRichTextBufferDataObject::GetDataHere(void *pBuf) const
+{
+    if (!pBuf || !m_richTextBuffer)
+        return false;
+
+    wxString bufXML;
+
+    {
+        wxStringOutputStream stream(& bufXML);
+        if (!m_richTextBuffer->SaveFile(stream, wxRICHTEXT_TYPE_XML))
+        {
+            wxLogError(wxT("Could not write the buffer to an XML stream.\nYou may have forgotten to add the XML file handler."));
+            return 0;
+        }
+    }
+
+#if wxUSE_UNICODE
+    wxCharBuffer buffer = bufXML.mb_str(wxConvUTF8);
+    size_t len = strlen(buffer);
+    memcpy((char*) pBuf, (const char*) buffer, len);
+    ((char*) pBuf)[len] = 0;
+#else
+    size_t len = bufXML.Length();
+    memcpy((char*) pBuf, (const char*) bufXML.c_str(), len);
+    ((char*) pBuf)[len] = 0;
+#endif
+
+    return true;
+}
+
+bool wxRichTextBufferDataObject::SetData(size_t WXUNUSED(len), const void *buf)
+{
+    delete m_richTextBuffer;
+    m_richTextBuffer = NULL;
+
+    wxString bufXML((const char*) buf, wxConvUTF8);
+
+    m_richTextBuffer = new wxRichTextBuffer;
+
+    wxStringInputStream stream(bufXML);
+    if (!m_richTextBuffer->LoadFile(stream, wxRICHTEXT_TYPE_XML))
+    {
+        wxLogError(wxT("Could not read the buffer from an XML stream.\nYou may have forgotten to add the XML file handler."));
+
+        delete m_richTextBuffer;
+        m_richTextBuffer = NULL;
+
+        return false;
+    }
+    return true;
+}
+
+#endif
+    // wxUSE_DATAOBJ
+
 #endif
     // wxUSE_RICHTEXT