Added functionality for disabling the vertical scrollbar.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70676 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/richtext/richtextctrl.h

@@ -1676,6 +1676,16 @@ public:
     */
     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 { return m_verticalScrollbarEnabled; }
+
 // Command handlers
 
     /**
@@ -2159,6 +2169,9 @@ protected:
     /// Are we editable?
     bool                    m_editable;
 
+    /// Is the vertical scrollbar enabled?
+    bool                    m_verticalScrollbarEnabled;
+
     /// Are we showing the caret position at the start of a line
     /// instead of at the end of the previous one?
     bool                    m_caretAtLineStart;

interface/wx/richtext/richtextctrl.h

@@ -1635,6 +1635,16 @@ public:
     */
     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;
+
 // Command handlers
 
     /**

src/richtext/richtextctrl.cpp

@@ -356,6 +356,7 @@ void wxRichTextCtrl::Init()
     m_selectionAnchorObject = NULL;
     m_selectionState = wxRichTextCtrlSelectionState_Normal;
     m_editable = true;
+    m_verticalScrollbarEnabled = true;
     m_caretAtLineStart = false;
     m_dragging = false;
 #if wxUSE_DRAG_AND_DROP
@@ -2555,7 +2556,7 @@ void wxRichTextCtrl::SetupScrollbars(bool atTop)
     if (IsFrozen())
         return;
 
-    if (GetBuffer().IsEmpty())
+    if (GetBuffer().IsEmpty() || !m_verticalScrollbarEnabled)
     {
         SetScrollbars(0, 0, 0, 0, 0, 0);
         return;
@@ -4560,6 +4561,12 @@ bool wxRichTextCtrl::CanInsertContent(wxRichTextParagraphLayoutBox& WXUNUSED(con
     return true;
 }
 
+void wxRichTextCtrl::EnableVerticalScrollbar(bool enable)
+{
+    m_verticalScrollbarEnabled = enable;
+    SetupScrollbars();
+}
+
 
 #if wxRICHTEXT_USE_OWN_CARET