Defer cursor redrawing when reading buffer

microsoft · Sep 29, 2019 · 7dc6179 · 7dc6179
1 parent 23bea9e
commit 7dc6179
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/cascadia/TerminalCore/Terminal.cpp b/src/cascadia/TerminalCore/Terminal.cpp
@@ -328,6 +328,8 @@ 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];
@@ -416,6 +418,8 @@ void Terminal::_WriteBuffer(const std::wstring_view& stringView)
             _NotifyScrollEvent();
         }
     }
+
+    cursor.EndDeferDrawing();
 }
 
 void Terminal::UserScrollViewport(const int viewTop)