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Bugfix: TextBuffer Line Wrapping from VTRenderer #2797

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Sep 23, 2019
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10 changes: 9 additions & 1 deletion src/renderer/vt/paint.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -475,14 +475,22 @@ using namespace Microsoft::Console::Types;

if (useEraseChar)
{
RETURN_IF_FAILED(_EraseCharacter(sNumSpaces));
// ECH doesn't actually move the cursor itself. However, we think that
// the cursor *should* be at the end of the area we just erased. Stash
// that position as our new deferred position. If we don't move the
// cursor somewhere else before the end of the frame, we'll move the
// cursor to the deferred position at the end of the frame, or right
// before we need to print new text.
_deferredCursorPos = { _lastText.X + sNumSpaces, _lastText.Y };

if (_deferredCursorPos.X < _lastViewport.RightInclusive())
{
RETURN_IF_FAILED(_EraseCharacter(sNumSpaces));
}
else
{
RETURN_IF_FAILED(_EraseLine());
}
}
else if (_newBottomLine)
{
Expand Down