Gwen::Rect Text::GetCharacterPosition( int iChar )
{
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 ( iChars <= iChar ) { continue; }
iChars -= pLine->Length();
Gwen::Rect rect = pLine->GetCharacterPosition( iChar - iChars );
rect.x += pLine->X();
rect.y += pLine->Y();
return rect;
}
}
if ( Length() == 0 || iChar == 0 )
{
Gwen::Point p = GetSkin()->GetRender()->MeasureText( GetFont(), L" " );
return Gwen::Rect( 1, 0, 0, p.y );
}
UnicodeString sub = m_String.GetUnicode().substr( 0, iChar );
Gwen::Point p = GetSkin()->GetRender()->MeasureText( GetFont(), sub );
return Rect( p.x, 0, 0, p.y );
}
Gwen::Rect Text::GetLineBox( int i )
{
Text* line = GetLine(i);
if(line != NULL)
{
Gwen::Point p = GetSkin()->GetRender()->MeasureText( GetFont(), line->m_String.GetUnicode());
return Gwen::Rect(line->X(), line->Y(), Clamp(p.x, 1,p.x), Clamp(p.y, 1,p.y) );
}
else
{
Gwen::Point p = GetSkin()->GetRender()->MeasureText( GetFont(), m_String.GetUnicode());
return Gwen::Rect(0, 0, Clamp(p.x, 1,p.x), Clamp(p.y, 1,p.y) );
}
}
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;
}