int egui_width(Upp::Font f, const char* s, size_t length, int minsize) {
  int width = 0;
  for(int i = 0; i < length; i++) {
    width += f[s[i]];
  }
  if(minsize > -1 && width < minsize) {
    width = minsize;
  }
  return Upp::DPI(width);
}

int egui_width(Upp::Font f, Upp::String s, int minsize) {
  return egui_width(f, s, s.GetCount(), minsize);
}

int egui_width(Upp::DropList& c, int minsize) {
  Upp::Font f = c.GetPreeditFont();
  int width = 0;
  for(int i = 0; i < c.GetCount(); i++) {
    int twidth = egui_width(f, c.GetValue(i));
    if(twidth > width) {
      width = twidth;
    }
  }

  width += Upp::DPI(c.GetMinSize().cx);
  width += Upp::DPI(24);

  if(minsize > -1 && width < Upp::DPI(minsize)) {
    width = Upp::DPI(minsize);
  }
  return width;
}

Font Ctrl::GetPreeditFont()
{
	static int pheight = -1;
	static Font pfont;
	if(!focusCtrl)
		return StdFont();
	int height = max(focusCtrl->GetCaret().GetHeight(), DPI(7));
	if(height != pheight) {
		pheight = height;
		while(pheight > 0) {
			pfont = StdFont(height);
			if(pfont.GetCy() < pheight)
				break;
			height--;
		}
		if(height == 0)
			pfont = StdFont();
	}
	return pfont;
}