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Fixed some of invalid utf8

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This commit is contained in:
Brian Fiete 2022-05-24 11:51:18 -07:00
parent 0a51049d65
commit f1257fb7fc
1 changed files with 11 additions and 0 deletions
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11
BeefLibs/Beefy2D/src/widgets/EditWidget.bf
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@ -703,6 +703,11 @@ namespace Beefy.widgets
EditWidgetContent.CharData* readPtr = &mData.mText[idx + 1]; EditWidgetContent.CharData* readPtr = &mData.mText[idx + 1];
int trailingBytes = UTF8.sTrailingBytesForUTF8[c]; int trailingBytes = UTF8.sTrailingBytesForUTF8[c];
if (idx + trailingBytes + 1 >= mData.mTextLength)
{
return (c, 1);
}
switch (trailingBytes) switch (trailingBytes)
{ {
case 4: c <<= 6; c += (uint8)(readPtr++).mChar; fallthrough; case 4: c <<= 6; c += (uint8)(readPtr++).mChar; fallthrough;
@ -3507,6 +3512,12 @@ namespace Beefy.widgets
} }
if (movingDir > 0) if (movingDir > 0)
{ {
if ((useCharIdx == charIdx) && (c < (.)0xC0))
{
// This is an invalid UTF8 sequence
break;
}
useCharIdx++; useCharIdx++;
mCursorTextPos++; mCursorTextPos++;
} }