@Nullable Font getFontAbleToDisplay(LookupElementPresentation p) { String sampleString = p.getItemText() + p.getTailText() + p.getTypeText(); // assume a single font can display all lookup item chars Set<Font> fonts = ContainerUtil.newHashSet(); for (int i = 0; i < sampleString.length(); i++) { fonts.add( EditorUtil.fontForChar(sampleString.charAt(i), Font.PLAIN, myLookup.getEditor()) .getFont()); } eachFont: for (Font font : fonts) { if (font.equals(myNormalFont)) continue; for (int i = 0; i < sampleString.length(); i++) { if (!font.canDisplay(sampleString.charAt(i))) { continue eachFont; } } return font; } return null; }