Defer cursor redrawing when reading buffer

microsoft · Oct 1, 2019 · 3d42d9d · 3d42d9d
1 parent abf3ee5
commit 3d42d9d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/cascadia/TerminalCore/Terminal.cpp b/src/cascadia/TerminalCore/Terminal.cpp
@@ -363,6 +363,8 @@ void Terminal::_WriteBuffer(const std::wstring_view& stringView)
     auto& cursor = _buffer->GetCursor();
     const Viewport bufferSize = _buffer->GetSize();
 
+    cursor.StartDeferDrawing();
+
     for (size_t i = 0; i < stringView.size(); i++)
     {
         wchar_t wch = stringView[i];
@@ -463,6 +465,8 @@ void Terminal::_WriteBuffer(const std::wstring_view& stringView)
             _NotifyScrollEvent();
         }
     }
+
+    cursor.EndDeferDrawing();
 }
 
 void Terminal::UserScrollViewport(const int viewTop)