/*=============================================================================
-- Sets the caption of the text in the middle.
=============================================================================*/
void ButtonCaption::SetCaption(String caption)
{
mCaption = caption;
WeakPtr<Text> text = DynamicPtrCast<Text>(GetChild(IEI_BUTTONCAPTION_TEXT).lock());
if (!text.expired())
{
text.lock()->SetText(caption);
Font *font = text.lock()->GetFont();
unsigned width = (unsigned)font->GetTextLengthPx(mCaption.GetStd());
unsigned height = (unsigned)font->GetCharHeightPx();
//clip any characters that don't fit inside from the text element
while (width > GetWidth())
{
mCaption.Remove(mCaption.Size()-1,mCaption.Size());
SetCaption(mCaption);
width = (unsigned)font->GetTextLengthPx(mCaption.GetStd());
}
//properly center the text
text.lock()->SetRelPos( Vector2D<int>((GetWidth()-width)/2, (GetHeight()-height)/2) );
}
}
