+ /**
+ Prepares the content just before insertion (or after buffer reset). Called by the same function in wxRichTextBuffer.
+ Currently is only called if undo mode is on.
+ */
+ virtual void PrepareContent(wxRichTextParagraphLayoutBox& container);
+
+ /**
+ Can we delete this range?
+ Sends an event to the control.
+ */
+ virtual bool CanDeleteRange(wxRichTextParagraphLayoutBox& container, const wxRichTextRange& range) const;
+
+ /**
+ Can we insert content at this position?
+ Sends an event to the control.
+ */
+ virtual bool CanInsertContent(wxRichTextParagraphLayoutBox& container, long pos) const;
+
+ /**
+ Enable or disable the vertical scrollbar.
+ */
+ virtual void EnableVerticalScrollbar(bool enable);
+
+ /**
+ Returns @true if the vertical scrollbar is enabled.
+ */
+ virtual bool GetVerticalScrollbarEnabled() const;
+
+ /**
+ Sets the scale factor for displaying fonts, for example for more comfortable
+ editing.
+ */
+ void SetFontScale(double fontScale, bool refresh = false);
+
+ /**
+ Returns the scale factor for displaying fonts, for example for more comfortable
+ editing.
+ */
+ double GetFontScale() const { return GetBuffer().GetFontScale(); }
+
+ /**
+ 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, bool refresh = false);
+
+ /**
+ Returns the scale factor for displaying certain dimensions such as indentation
+ and inter-paragraph spacing.
+ */
+ double GetDimensionScale() const { return GetBuffer().GetDimensionScale(); }
+
+ /**
+ Sets an overall scale factor for displaying and editing the content.
+ */
+ void SetScale(double scale, bool refresh = false);
+
+ /**
+ Returns an overall scale factor for displaying and editing the content.
+ */
+ double GetScale() const;
+
+ /**
+ Returns an unscaled point.
+ */
+ wxPoint GetUnscaledPoint(const wxPoint& pt) const;
+
+ /**
+ Returns a scaled point.
+ */
+ wxPoint GetScaledPoint(const wxPoint& pt) const;
+
+ /**
+ Returns an unscaled size.
+ */
+ wxSize GetUnscaledSize(const wxSize& sz) const;
+
+ /**
+ Returns a scaled size.
+ */
+ wxSize GetScaledSize(const wxSize& sz) const;
+
+ /**
+ Returns an unscaled rectangle.
+ */
+ wxRect GetUnscaledRect(const wxRect& rect) const;
+
+ /**
+ Returns a scaled rectangle.
+ */
+ wxRect GetScaledRect(const wxRect& rect) const;
+
+ /**
+ Returns @true if this control can use virtual attributes and virtual text.
+ The default is @false.
+ */
+ bool GetVirtualAttributesEnabled() const;
+
+ /**
+ Pass @true to let the control use virtual attributes.
+ The default is @false.
+ */
+ void EnableVirtualAttributes(bool b);
+