float
ETextEditable::_StringWidth(const EFont &font, const char *str) const
{
if(fTypingHidden == 0x01 || str == NULL || *str == 0) return 0;
if(fTypingHidden == 0x00) return font.StringWidth(str);
EString aStr;
aStr.Append(*((char*)&fTypingHidden), e_utf8_strlen(str));
return font.StringWidth(aStr);
}
float*
ETextEditable::_CharWidths(const EFont &font, const char *str, eint32 *count) const
{
if(fTypingHidden == 0x01 || str == NULL || *str == 0) return NULL;
if(fTypingHidden == 0x00) return font.CharWidths(str, count);
EString aStr;
aStr.Append(*((char*)&fTypingHidden), e_utf8_strlen(str));
return font.CharWidths(aStr.String(), count);
}
void
ETextEditable::_DrawString(const char *str, EPoint location)
{
if(fTypingHidden == 0x01 || str == NULL || *str == 0) return;
if(fTypingHidden == 0x00)
{
DrawString(str, location);
}
else
{
EString aStr;
aStr.Append(*((char*)&fTypingHidden), e_utf8_strlen(str));
DrawString(aStr.String(), location);
}
}
bool
ETextEditable::GetCharLocation(eint32 pos, float *x, float *y, EFont *tFont)
{
if(!x) return false;
ERect rect = Frame().OffsetToSelf(E_ORIGIN);
rect.left += fMargins.left;
rect.top += fMargins.top;
rect.right -= fMargins.right;
rect.bottom -= fMargins.bottom;
rect.InsetBy(2, 2);
if(!rect.IsValid()) return false;
EFont font;
e_font_height fontHeight;
if(tFont) font = *tFont;
else GetFont(&font);
font.GetHeight(&fontHeight);
float sHeight = fontHeight.ascent + fontHeight.descent;
float strWidth = (fCount <= 0 ? 0.f : max_c(0.f, _StringWidth(font, fText)));
float fontSpacing = (float)ceil((double)font.Spacing() * font.Size());
if(fAlignment == E_ALIGN_RIGHT) *x = rect.right - strWidth;
else if(fAlignment == E_ALIGN_CENTER) *x = rect.Center().x - strWidth / 2.f;
else *x = rect.left; /* E_ALIGN_LEFT */
if(y) *y = (rect.Center().y - sHeight/ 2.f + fontHeight.ascent + 1);
if(strWidth <= rect.Width() || !IsEnabled() ||
!(IsEditable() || (IsSelectable() && IsSelected())) ||
fPosition < 0 || fPosition > fCount)
{
locationOffset = 0;
}
else
{
float xx = *x + locationOffset;
if(fPosition > 0 && fPosition < fCount)
{
const char *p = e_utf8_at((const char*)fText, fPosition, NULL);
if(p != NULL)
{
EString str;
str.Append(fText, (eint32)(p - (const char*)fText));
xx += _StringWidth(font, str.String()) + fontSpacing;
}
}
else if(fPosition == fCount)
{
xx += strWidth + fontSpacing;
}
if(xx < rect.left)
locationOffset += (rect.left - xx);
else if(xx > rect.right)
locationOffset += (rect.right - xx);
}
*x += locationOffset;
if(pos > 0 && pos < fCount)
{
const char *p = e_utf8_at((const char*)fText, pos, NULL);
if(p != NULL)
{
EString str;
str.Append(fText, (eint32)(p - (const char*)fText));
*x += _StringWidth(font, str.String()) + fontSpacing;
}
}
else if(pos < 0 || pos >= fCount)
{
*x += strWidth + fontSpacing;
}
return true;
}
