Added ForceDelayedLayout

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67566 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/richtext/richtextctrl.h

@@ -221,6 +221,18 @@ public:
     /// Get the threshold in character positions for doing layout optimization during sizing
     long GetDelayedLayoutThreshold() const { return m_delayedLayoutThreshold; }
 
+    bool GetFullLayoutRequired() const { return m_fullLayoutRequired; }
+    void SetFullLayoutRequired(bool b) { m_fullLayoutRequired = b; }
+
+    wxLongLong GetFullLayoutTime() const { return m_fullLayoutTime; }
+    void SetFullLayoutTime(wxLongLong t) { m_fullLayoutTime = t; }
+
+    long GetFullLayoutSavedPosition() const { return m_fullLayoutSavedPosition; }
+    void SetFullLayoutSavedPosition(long p) { m_fullLayoutSavedPosition = p; }
+
+    // Force any pending layout due to large buffer
+    void ForceDelayedLayout();
+
     /// Set text cursor
     void SetTextCursor(const wxCursor& cursor ) { m_textCursor = cursor; }
 

src/richtext/richtextctrl.cpp

@@ -2204,6 +2204,19 @@ void wxRichTextCtrl::OnSize(wxSizeEvent& event)
     event.Skip();
 }
 
+// Force any pending layout due to large buffer
+void wxRichTextCtrl::ForceDelayedLayout()
+{
+    if (m_fullLayoutRequired)
+    {
+        m_fullLayoutRequired = false;
+        m_fullLayoutTime = 0;
+        GetBuffer().Invalidate(wxRICHTEXT_ALL);
+        ShowPosition(m_fullLayoutSavedPosition);
+        Refresh(false);
+        Update();
+    }
+}
 
 /// Idle-time processing
 void wxRichTextCtrl::OnIdle(wxIdleEvent& event)