コード例 #1
0
ファイル: Text.cpp プロジェクト: r-lyeh/moon9
int Text::GetClosestCharacter( Gwen::Point p )
{
	if ( !m_Lines.empty() )
	{
		TextLines::iterator it = m_Lines.begin();
		TextLines::iterator itEnd = m_Lines.end();
		int iChars = 0;

		while ( it != itEnd )
		{
			Text* pLine = *it;
			++it;

			iChars += pLine->Length();

			if ( p.y < pLine->Y() ) continue;
			if ( p.y > pLine->Bottom() ) continue;

			iChars -= pLine->Length();

			int iLinePos = pLine->GetClosestCharacter( Gwen::Point( p.x - pLine->X(), p.y - pLine->Y() ) );
			//if ( iLinePos > 0 && iLinePos == pLine->Length() ) iLinePos--;
			iLinePos--;

			return iChars + iLinePos;
		}
	}


	int iDistance = 4096;
	int iChar = 0;

	for ( size_t i=0; i<m_String.GetUnicode().length()+1; i++ )
	{
		Gwen::Rect cp = GetCharacterPosition( i );
		int iDist = abs(cp.x - p.x) + abs(cp.y - p.y); // this isn't proper

		if ( iDist > iDistance ) continue;

		iDistance = iDist;
		iChar = i;
	}

	return iChar;
}