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fix backsp on empty string crashes

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This commit is contained in:
Chris Danford
2005-03-23 03:36:30 +00:00
parent 42619c8666
commit fb4822d6c6
1 changed files with 5 additions and 0 deletions
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stepmania/src/ScreenTextEntry.cpp
+5
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@@ -253,6 +253,11 @@ void ScreenTextEntry::AppendToAnswer( CString s )
void ScreenTextEntry::BackspaceInAnswer() void ScreenTextEntry::BackspaceInAnswer()
{ {
if( m_sAnswer.empty() )
{
SCREENMAN->PlayInvalidSound();
return;
}
m_sAnswer.erase( m_sAnswer.end()-1 ); m_sAnswer.erase( m_sAnswer.end()-1 );
m_sndBackspace.Play(); m_sndBackspace.Play();
UpdateAnswerText(); UpdateAnswerText();