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Correct Backspace behavior in input dialog

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This commit is contained in:
Aiken Harris
2025-09-01 11:40:48 +02:00
parent 72a832f190
commit 0fa4a175e0
1 changed files with 3 additions and 3 deletions
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6
xtldr/textui.c
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@@ -856,9 +856,9 @@ BlDisplayInputDialog(IN PWCHAR Caption,
/* Check if buffer is not empty */
if(InputFieldLength > 0 && TextPosition > 0 && TextPosition <= InputFieldLength)
{
/* Delete character */
RtlMoveMemory(InputFieldBuffer + TextPosition, InputFieldBuffer + TextPosition + 1,
(InputFieldLength - TextPosition) * sizeof(WCHAR));
/* Move memory to overwrite the character to the left of the cursor */
RtlMoveMemory(InputFieldBuffer + TextPosition - 1, InputFieldBuffer + TextPosition,
(InputFieldLength - TextPosition + 1) * sizeof(WCHAR));
/* Decrement length, position and null terminate string */
TextPosition--;