X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d87098c062ac92e38434f89eba372fa8547ebaa4..9869c26285dc51d13607cddaa04f65ce983653a5:/include/wx/richtext/richtextbuffer.h

diff --git a/include/wx/richtext/richtextbuffer.h b/include/wx/richtext/richtextbuffer.h
index b9c7dfdc8a..771802d779 100644
--- a/include/wx/richtext/richtextbuffer.h
+++ b/include/wx/richtext/richtextbuffer.h
@@ -4,7 +4,6 @@
 // Author:      Julian Smart
 // Modified by:
 // Created:     2005-09-30
-// RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -66,6 +65,7 @@
 #include "wx/cmdproc.h"
 #include "wx/txtstrm.h"
 #include "wx/variant.h"
+#include "wx/position.h"
 
 #if wxUSE_DATAOBJ
 #include "wx/dataobj.h"
@@ -125,6 +125,7 @@ enum wxRichTextFileType
 class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextCtrl;
 class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextObject;
 class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextImage;
+class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextPlainText;
 class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextCacheObject;
 class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextObjectList;
 class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextLine;
@@ -281,7 +282,7 @@ enum wxRichTextHitTestFlags
 // A special flag telling the buffer to keep the first paragraph style
 // as-is, when deleting a paragraph marker. In future we might pass a
 // flag to InsertFragment and DeleteRange to indicate the appropriate mode.
-#define wxTEXT_ATTR_KEEP_FIRST_PARA_STYLE   0x10000000
+#define wxTEXT_ATTR_KEEP_FIRST_PARA_STYLE   0x20000000
 
 /**
     Default superscript/subscript font multiplication factor.
@@ -370,9 +371,12 @@ public:
     void Reset() { m_value = 0; m_flags = 0; }
 
     /**
-        Partial equality test.
+        Partial equality test. If @a weakTest is @true, attributes of this object do not
+        have to be present if those attributes of @a dim are present. If @a weakTest is
+        @false, the function will fail if an attribute is present in @a dim but not
+        in this object.
     */
-    bool EqPartial(const wxTextAttrDimension& dim) const;
+    bool EqPartial(const wxTextAttrDimension& dim, bool weakTest = true) const;
 
     /** Apply the dimension, but not those identical to @a compareWith if present.
     */
@@ -497,10 +501,13 @@ public:
     bool operator==(const wxTextAttrDimensions& dims) const { return m_left == dims.m_left && m_top == dims.m_top && m_right == dims.m_right && m_bottom == dims.m_bottom; }
 
     /**
-        Partial equality test.
+        Partial equality test. If @a weakTest is @true, attributes of this object do not
+        have to be present if those attributes of @a dim sare present. If @a weakTest is
+        @false, the function will fail if an attribute is present in @a dims but not
+        in this object.
 
     */
-    bool EqPartial(const wxTextAttrDimensions& dims) const;
+    bool EqPartial(const wxTextAttrDimensions& dims, bool weakTest = true) const;
 
     /**
         Apply to 'this', but not if the same as @a compareWith.
@@ -588,9 +595,12 @@ public:
     bool operator==(const wxTextAttrSize& size) const { return m_width == size.m_width && m_height == size.m_height ; }
 
     /**
-        Partial equality test.
+        Partial equality test. If @a weakTest is @true, attributes of this object do not
+        have to be present if those attributes of @a size are present. If @a weakTest is
+        @false, the function will fail if an attribute is present in @a size but not
+        in this object.
     */
-    bool EqPartial(const wxTextAttrSize& dims) const;
+    bool EqPartial(const wxTextAttrSize& size, bool weakTest = true) const;
 
     /**
         Apply to this object, but not if the same as @a compareWith.
@@ -813,9 +823,12 @@ public:
     void Reset() { m_borderStyle = 0; m_borderColour = 0; m_flags = 0; m_borderWidth.Reset(); }
 
     /**
-        Partial equality test.
+        Partial equality test. If @a weakTest is @true, attributes of this object do not
+        have to be present if those attributes of @a border are present. If @a weakTest is
+        @false, the function will fail if an attribute is present in @a border but not
+        in this object.
     */
-    bool EqPartial(const wxTextAttrBorder& border) const;
+    bool EqPartial(const wxTextAttrBorder& border, bool weakTest = true) const;
 
     /**
         Applies the border to this object, but not if the same as @a compareWith.
@@ -989,9 +1002,12 @@ public:
     void Reset() { m_left.Reset(); m_right.Reset(); m_top.Reset(); m_bottom.Reset(); }
 
     /**
-        Partial equality test.
+        Partial equality test. If @a weakTest is @true, attributes of this object do not
+        have to be present if those attributes of @a borders are present. If @a weakTest is
+        @false, the function will fail if an attribute is present in @a borders but not
+        in this object.
     */
-    bool EqPartial(const wxTextAttrBorders& borders) const;
+    bool EqPartial(const wxTextAttrBorders& borders, bool weakTest = true) const;
 
     /**
         Applies border to this object, but not if the same as @a compareWith.
@@ -1087,10 +1103,13 @@ public:
     bool operator== (const wxTextBoxAttr& attr) const;
 
     /**
-        Partial equality test, ignoring unset attributes.
+        Partial equality test, ignoring unset attributes. If @a weakTest is @true, attributes of this object do not
+        have to be present if those attributes of @a attr are present. If @a weakTest is
+        @false, the function will fail if an attribute is present in @a attr but not
+        in this object.
 
     */
-    bool EqPartial(const wxTextBoxAttr& attr) const;
+    bool EqPartial(const wxTextBoxAttr& attr, bool weakTest = true) const;
 
     /**
         Merges the given attributes. If @a compareWith is non-NULL, then it will be used
@@ -1489,9 +1508,12 @@ public:
     bool operator==(const wxRichTextAttr& attr) const;
 
     /**
-        Partial equality test taking comparison object into account.
+        Partial equality test. If @a weakTest is @true, attributes of this object do not
+        have to be present if those attributes of @a attr are present. If @a weakTest is
+        @false, the function will fail if an attribute is present in @a attr but not
+        in this object.
     */
-    bool EqPartial(const wxRichTextAttr& attr) const;
+    bool EqPartial(const wxRichTextAttr& attr, bool weakTest = true) const;
 
     /**
         Merges the given attributes. If @a compareWith
@@ -1522,9 +1544,16 @@ public:
     */
     void SetTextBoxAttr(const wxTextBoxAttr& attr) { m_textBoxAttr = attr; }
 
+    /**
+        Returns @true if no attributes are set.
+    */
+    bool IsDefault() const { return (GetFlags() == 0) && m_textBoxAttr.IsDefault(); }
+
     wxTextBoxAttr    m_textBoxAttr;
 };
 
+WX_DECLARE_USER_EXPORTED_OBJARRAY(wxRichTextAttr, wxRichTextAttrArray, WXDLLIMPEXP_RICHTEXT);
+
 WX_DECLARE_USER_EXPORTED_OBJARRAY(wxVariant, wxRichTextVariantArray, WXDLLIMPEXP_RICHTEXT);
 
 /**
@@ -1752,8 +1781,15 @@ public:
     */
     bool operator != (const wxRichTextFontTable& table) const { return !(*this == table); }
 
+    /**
+        Set the font scale factor.
+    */
+    void SetFontScale(double fontScale);
+
 protected:
 
+    double m_fontScale;
+
     DECLARE_DYNAMIC_CLASS(wxRichTextFontTable)
 };
 
@@ -2078,9 +2114,9 @@ public:
         Pass the buffer to the context so the context can retrieve information
         such as virtual attributes.
     */
-    wxRichTextDrawingContext(wxRichTextBuffer* buffer) { Init(); m_buffer = buffer; }
+    wxRichTextDrawingContext(wxRichTextBuffer* buffer);
 
-    void Init() { m_buffer = NULL; }
+    void Init() { m_buffer = NULL; m_enableVirtualAttributes = true; }
 
     /**
         Does this object have virtual attributes?
@@ -2101,7 +2137,45 @@ public:
     */
     bool ApplyVirtualAttributes(wxRichTextAttr& attr, wxRichTextObject* obj) const;
 
+    /**
+        Gets the count for mixed virtual attributes for individual positions within the object.
+        For example, individual characters within a text object may require special highlighting.
+    */
+    int GetVirtualSubobjectAttributesCount(wxRichTextObject* obj) const;
+
+    /**
+        Gets the mixed virtual attributes for individual positions within the object.
+        For example, individual characters within a text object may require special highlighting.
+        The function is passed the count returned by GetVirtualSubobjectAttributesCount.
+    */
+    int GetVirtualSubobjectAttributes(wxRichTextObject* obj, wxArrayInt& positions, wxRichTextAttrArray& attributes) const;
+
+    /**
+        Do we have virtual text for this object? Virtual text allows an application
+        to replace characters in an object for editing and display purposes, for example
+        for highlighting special characters.
+    */
+    bool HasVirtualText(const wxRichTextPlainText* obj) const;
+
+    /**
+        Gets the virtual text for this object.
+    */
+    bool GetVirtualText(const wxRichTextPlainText* obj, wxString& text) const;
+
+    /**
+        Enables virtual attribute processing.
+    */
+
+    void EnableVirtualAttributes(bool b) { m_enableVirtualAttributes = b; }
+
+    /**
+        Returns @true if virtual attribute processing is enabled.
+    */
+
+    bool GetVirtualAttributesEnabled() const { return m_enableVirtualAttributes; }
+
     wxRichTextBuffer*   m_buffer;
+    bool                m_enableVirtualAttributes;
 };
 
 /**
@@ -2178,7 +2252,7 @@ public:
         is invalid for this object.
     */
 
-    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const  = 0;
+    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position = wxPoint(0,0), const wxSize& parentSize = wxDefaultSize, wxArrayInt* partialExtents = NULL) const  = 0;
 
     /**
         Do a split from @a pos, returning an object containing the second part, and setting
@@ -2224,13 +2298,26 @@ public:
     /**
         Returns @true if this object can merge itself with the given one.
     */
-    virtual bool CanMerge(wxRichTextObject* WXUNUSED(object)) const { return false; }
+    virtual bool CanMerge(wxRichTextObject* WXUNUSED(object), wxRichTextDrawingContext& WXUNUSED(context)) const { return false; }
 
     /**
         Returns @true if this object merged itself with the given one.
         The calling code will then delete the given object.
     */
-    virtual bool Merge(wxRichTextObject* WXUNUSED(object)) { return false; }
+    virtual bool Merge(wxRichTextObject* WXUNUSED(object), wxRichTextDrawingContext& WXUNUSED(context)) { return false; }
+
+    /**
+        JACS
+        Returns @true if this object can potentially be split, by virtue of having
+        different virtual attributes for individual sub-objects.
+    */
+    virtual bool CanSplit(wxRichTextDrawingContext& WXUNUSED(context)) const { return false; }
+
+    /**
+        Returns the final object in the split objects if this object was split due to differences between sub-object virtual attributes.
+        Returns itself if it was not split.
+    */
+    virtual wxRichTextObject* Split(wxRichTextDrawingContext& WXUNUSED(context)) { return this; }
 
     /**
         Dump object data to the given output stream for debugging.
@@ -2706,7 +2793,7 @@ public:
 
     virtual wxString GetTextForRange(const wxRichTextRange& range) const;
 
-    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const;
+    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position = wxPoint(0,0), const wxSize& parentSize = wxDefaultSize, wxArrayInt* partialExtents = NULL) const;
 
     virtual void Dump(wxTextOutputStream& stream);
 
@@ -2783,7 +2870,7 @@ public:
     /**
         Recursively merges all pieces that can be merged.
     */
-    bool Defragment(const wxRichTextRange& range = wxRICHTEXT_ALL);
+    bool Defragment(wxRichTextDrawingContext& context, const wxRichTextRange& range = wxRICHTEXT_ALL);
 
     /**
         Moves the object recursively, by adding the offset from old to new.
@@ -2823,7 +2910,7 @@ public:
 
     virtual bool Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& parentRect, int style);
 
-    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const;
+    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position = wxPoint(0,0), const wxSize& parentSize = wxDefaultSize, wxArrayInt* partialExtents = NULL) const;
 
     virtual bool DeleteRange(const wxRichTextRange& range);
 
@@ -3475,8 +3562,8 @@ protected:
     covers common needs especially for simple, static fields using text or a bitmap.
 
     Register field types on application initialisation with the static function
-    wxRichTextParagraphLayoutBox::AddFieldType. They will be deleted automatically
-    on application exit.
+    wxRichTextBuffer::AddFieldType. They will be deleted automatically on 
+    application exit.
 
     An application can write a field to a control with wxRichTextCtrl::WriteField,
     taking a field type, the properties for the field, and optional attributes.
@@ -3511,7 +3598,7 @@ public:
 
     virtual bool Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& parentRect, int style);
 
-    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const;
+    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position = wxPoint(0,0), const wxSize& parentSize = wxDefaultSize, wxArrayInt* partialExtents = NULL) const;
 
     virtual wxString GetXMLNodeName() const { return wxT("field"); }
 
@@ -3545,7 +3632,7 @@ public:
         Update the field; delegated to the associated field type. This would typically expand the field to its value,
         if this is a dynamically changing and/or composite field.
      */
-    virtual bool UpdateField();
+    virtual bool UpdateField(wxRichTextBuffer* buffer);
 
     virtual wxRichTextObject* Clone() const { return new wxRichTextField(*this); }
 
@@ -3562,8 +3649,8 @@ protected:
     property editing functionality for a field.
 
     Register field types on application initialisation with the static function
-    wxRichTextParagraphLayoutBox::AddFieldType. They will be deleted automatically
-    on application exit.
+    wxRichTextBuffer::AddFieldType. They will be deleted automatically on
+    application exit.
 
     @library{wxrichtext}
     @category{richtext}
@@ -3585,7 +3672,9 @@ public:
     /**
         Copy constructor.
     */
-    wxRichTextFieldType(const wxRichTextFieldType& fieldType) { Copy(fieldType); }
+    wxRichTextFieldType(const wxRichTextFieldType& fieldType)
+        : wxObject(fieldType)
+    { Copy(fieldType); }
 
     void Copy(const wxRichTextFieldType& fieldType) { m_name = fieldType.m_name; }
 
@@ -3607,7 +3696,7 @@ public:
         Returns the object size for the given range. Returns @false if the range
         is invalid for this object.
     */
-    virtual bool GetRangeSize(wxRichTextField* obj, const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const = 0;
+    virtual bool GetRangeSize(wxRichTextField* obj, const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position = wxPoint(0,0), const wxSize& parentSize = wxDefaultSize, wxArrayInt* partialExtents = NULL) const = 0;
 
     /**
         Returns @true if we can edit the object's properties via a GUI.
@@ -3628,7 +3717,7 @@ public:
         Update the field. This would typically expand the field to its value,
         if this is a dynamically changing and/or composite field.
      */
-    virtual bool UpdateField(wxRichTextField* WXUNUSED(obj)) { return false; }
+    virtual bool UpdateField(wxRichTextBuffer* WXUNUSED(buffer), wxRichTextField* WXUNUSED(obj)) { return false; }
 
     /**
         Returns @true if this object is top-level, i.e. contains its own paragraphs, such as a text box.
@@ -3738,7 +3827,9 @@ public:
         The copy constructor.
 
     */
-    wxRichTextFieldTypeStandard(const wxRichTextFieldTypeStandard& field) { Copy(field); }
+    wxRichTextFieldTypeStandard(const wxRichTextFieldTypeStandard& field)
+        : wxRichTextFieldType(field)
+    { Copy(field); }
 
     /**
         Initialises the object.
@@ -3773,7 +3864,7 @@ public:
         Returns the object size for the given range. Returns @false if the range
         is invalid for this object.
     */
-    virtual bool GetRangeSize(wxRichTextField* obj, const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const;
+    virtual bool GetRangeSize(wxRichTextField* obj, const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position = wxPoint(0,0), const wxSize& parentSize = wxDefaultSize, wxArrayInt* partialExtents = NULL) const;
 
     /**
         Get the size of the field, given the label, font size, and so on.
@@ -4080,7 +4171,7 @@ public:
 
     virtual bool Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& parentRect, int style);
 
-    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const;
+    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position = wxPoint(0,0), const wxSize& parentSize = wxDefaultSize, wxArrayInt* partialExtents = NULL) const;
 
     virtual bool FindPosition(wxDC& dc, wxRichTextDrawingContext& context, long index, wxPoint& pt, int* height, bool forceLineStart);
 
@@ -4205,7 +4296,7 @@ public:
     /**
         Lays out the floating objects.
     */
-    void LayoutFloat(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, int style, wxRichTextFloatCollector* floatCollector);
+    void LayoutFloat(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& parentRect, int style, wxRichTextFloatCollector* floatCollector);
 
 protected:
 
@@ -4251,7 +4342,7 @@ public:
 
     virtual bool Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& parentRect, int style);
 
-    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const;
+    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position = wxPoint(0,0), const wxSize& parentSize = wxDefaultSize, wxArrayInt* partialExtents = NULL) const;
 
     virtual wxString GetTextForRange(const wxRichTextRange& range) const;
 
@@ -4263,12 +4354,16 @@ public:
 
     virtual bool IsEmpty() const { return m_text.empty(); }
 
-    virtual bool CanMerge(wxRichTextObject* object) const;
+    virtual bool CanMerge(wxRichTextObject* object, wxRichTextDrawingContext& context) const;
 
-    virtual bool Merge(wxRichTextObject* object);
+    virtual bool Merge(wxRichTextObject* object, wxRichTextDrawingContext& context);
 
     virtual void Dump(wxTextOutputStream& stream);
 
+    virtual bool CanSplit(wxRichTextDrawingContext& context) const;
+
+    virtual wxRichTextObject* Split(wxRichTextDrawingContext& context);
+
     /**
         Get the first position from pos that has a line break character.
     */
@@ -4521,6 +4616,11 @@ public:
     */
     wxRichTextImage(const wxRichTextImage& obj): wxRichTextObject(obj) { Copy(obj); }
 
+    /**
+        Destructor.
+    */
+    ~wxRichTextImage();
+
     /**
         Initialisation.
     */
@@ -4532,7 +4632,7 @@ public:
 
     virtual bool Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& parentRect, int style);
 
-    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const;
+    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position = wxPoint(0,0), const wxSize& parentSize = wxDefaultSize, wxArrayInt* partialExtents = NULL) const;
 
     /**
         Returns the 'natural' size for this object - the image size.
@@ -4603,7 +4703,7 @@ public:
     /**
         Creates a cached image at the required size.
     */
-    virtual bool LoadImageCache(wxDC& dc, bool resetCache = false);
+    virtual bool LoadImageCache(wxDC& dc, bool resetCache = false, const wxSize& parentSize = wxDefaultSize);
 
     /**
         Gets the original image size.
@@ -4704,6 +4804,31 @@ public:
     */
     void SetFontTable(const wxRichTextFontTable& table) { m_fontTable = table; }
 
+    /**
+        Sets the scale factor for displaying fonts, for example for more comfortable
+        editing.
+    */
+    void SetFontScale(double fontScale);
+
+    /**
+        Returns the scale factor for displaying fonts, for example for more comfortable
+        editing.
+    */
+    double GetFontScale() const { return m_fontScale; }
+
+    /**
+        Sets the scale factor for displaying certain dimensions such as indentation and
+        inter-paragraph spacing. This can be useful when editing in a small control
+        where you still want legible text, but a minimum of wasted white space.
+    */
+    void SetDimensionScale(double dimScale);
+
+    /**
+        Returns the scale factor for displaying certain dimensions such as indentation
+        and inter-paragraph spacing.
+    */
+    double GetDimensionScale() const { return m_dimensionScale; }
+
 // Operations
 
     /**
@@ -4716,23 +4841,41 @@ public:
     */
     virtual void ResetAndClearCommands();
 
+#if wxUSE_FFILE && wxUSE_STREAMS
     //@{
     /**
-        Loads content from a stream or file.
+        Loads content from a file.
         Not all handlers will implement file loading.
     */
     virtual bool LoadFile(const wxString& filename, wxRichTextFileType type = wxRICHTEXT_TYPE_ANY);
-    virtual bool LoadFile(wxInputStream& stream, wxRichTextFileType type = wxRICHTEXT_TYPE_ANY);
     //@}
 
     //@{
     /**
-        Saves content to a stream or file.
+        Saves content to a file.
         Not all handlers will implement file saving.
     */
     virtual bool SaveFile(const wxString& filename, wxRichTextFileType type = wxRICHTEXT_TYPE_ANY);
+    //@}
+#endif // wxUSE_FFILE
+
+#if wxUSE_STREAMS
+    //@{
+    /**
+        Loads content from a stream.
+        Not all handlers will implement loading from a stream.
+    */
+    virtual bool LoadFile(wxInputStream& stream, wxRichTextFileType type = wxRICHTEXT_TYPE_ANY);
+    //@}
+
+    //@{
+    /**
+        Saves content to a stream.
+        Not all handlers will implement saving to a stream.
+    */
     virtual bool SaveFile(wxOutputStream& stream, wxRichTextFileType type = wxRICHTEXT_TYPE_ANY);
     //@}
+#endif // wxUSE_STREAMS
 
     /**
         Sets the handler flags, controlling loading and saving.
@@ -5319,6 +5462,19 @@ public:
     */
     void SetScale(double scale) { m_scale = scale; }
 
+    /**
+        Sets the floating layout mode. Pass @false to speed up editing by not performing
+        floating layout. This setting affects all buffers.
+
+    */
+    static void SetFloatingLayoutMode(bool mode) { sm_floatingLayoutMode = mode; }
+
+    /**
+        Returns the floating layout mode. The default is @true, where objects
+        are laid out according to their floating status.
+    */
+    static bool GetFloatingLayoutMode() { return sm_floatingLayoutMode; }
+
 protected:
 
     /// Command processor
@@ -5372,8 +5528,17 @@ protected:
     /// Factor to multiply by character height to get a reasonable bullet size
     static float            sm_bulletProportion;
 
+    /// Floating layout mode, @true by default
+    static bool             sm_floatingLayoutMode;
+
     /// Scaling factor in use: needed to calculate correct dimensions when printing
     double                  m_scale;
+
+    /// Font scale for adjusting the text size when editing
+    double                  m_fontScale;
+
+    /// Dimension scale for reducing redundant whitespace when editing
+    double                  m_dimensionScale;
 };
 
 /**
@@ -5414,6 +5579,14 @@ public:
 
 // Accessors
 
+    int GetColspan() const;
+
+    void SetColspan(long span) { GetProperties().SetProperty(wxT("colspan"), span); }
+
+    int GetRowspan() const;
+
+    void SetRowspan(long span) { GetProperties().SetProperty(wxT("rowspan"), span); }
+
 // Operations
 
     virtual wxRichTextObject* Clone() const { return new wxRichTextCell(*this); }
@@ -5430,7 +5603,7 @@ protected:
  */
 
 WX_DEFINE_ARRAY_PTR(wxRichTextObject*, wxRichTextObjectPtrArray);
-WX_DECLARE_OBJARRAY(wxRichTextObjectPtrArray, wxRichTextObjectPtrArrayArray);
+WX_DECLARE_USER_EXPORTED_OBJARRAY(wxRichTextObjectPtrArray, wxRichTextObjectPtrArrayArray, WXDLLIMPEXP_RICHTEXT);
 
 class WXDLLIMPEXP_RICHTEXT wxRichTextTable: public wxRichTextBox
 {
@@ -5459,7 +5632,7 @@ public:
 
     virtual bool Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& parentRect, int style);
 
-    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const;
+    virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position = wxPoint(0,0), const wxSize& parentSize = wxDefaultSize, wxArrayInt* partialExtents = NULL) const;
 
     virtual bool DeleteRange(const wxRichTextRange& range);
 
@@ -5536,6 +5709,11 @@ public:
     */
     virtual bool GetCellRowColumnPosition(long pos, int& row, int& col) const;
 
+    /**
+        Returns the coordinates of the cell with keyboard focus, or (-1,-1) if none.
+    */    
+    virtual wxPosition GetFocusedCell() const;
+
 // Operations
 
     /**
@@ -5814,6 +5992,12 @@ public:
     */
     wxRichTextObject* GetObject() const { return m_object; }
 
+    /**
+        Stores the object to replace the one at the position defined by the container address
+        without making an address for it (cf SetObject() and MakeObject()).
+    */
+    void StoreObject(wxRichTextObject* obj) { m_object = obj; }
+
     /**
         Sets the object to replace the one at the position defined by the container address
         and the action's range start position.
@@ -6175,6 +6359,31 @@ public:
     */
     virtual bool GetVirtualAttributes(wxRichTextAttr& attr, wxRichTextObject* obj) const = 0;
 
+    /**
+        Gets the count for mixed virtual attributes for individual positions within the object.
+        For example, individual characters within a text object may require special highlighting.
+    */
+    virtual int GetVirtualSubobjectAttributesCount(wxRichTextObject* obj) const = 0;
+
+    /**
+        Gets the mixed virtual attributes for individual positions within the object.
+        For example, individual characters within a text object may require special highlighting.
+        Returns the number of virtual attributes found.
+    */
+    virtual int GetVirtualSubobjectAttributes(wxRichTextObject* obj, wxArrayInt& positions, wxRichTextAttrArray& attributes) const = 0;
+
+    /**
+        Do we have virtual text for this object? Virtual text allows an application
+        to replace characters in an object for editing and display purposes, for example
+        for highlighting special characters.
+    */
+    virtual bool HasVirtualText(const wxRichTextPlainText* obj) const = 0;
+
+    /**
+        Gets the virtual text for this object.
+    */
+    virtual bool GetVirtualText(const wxRichTextPlainText* obj, wxString& text) const = 0;
+
     /**
         Sets the name of the handler.
     */
@@ -6332,10 +6541,6 @@ inline bool wxRichTextHasStyle(int flags, int style)
 WXDLLIMPEXP_RICHTEXT bool wxTextAttrEq(const wxRichTextAttr& attr1, const wxRichTextAttr& attr2);
 WXDLLIMPEXP_RICHTEXT bool wxTextAttrEq(const wxRichTextAttr& attr1, const wxRichTextAttr& attr2);
 
-/// Compare two attribute objects, but take into account the flags
-/// specifying attributes of interest.
-WXDLLIMPEXP_RICHTEXT bool wxTextAttrEqPartial(const wxRichTextAttr& attr1, const wxRichTextAttr& attr2);
-
 /// Apply one style to another
 WXDLLIMPEXP_RICHTEXT bool wxRichTextApplyStyle(wxRichTextAttr& destStyle, const wxRichTextAttr& style, wxRichTextAttr* compareWith = NULL);