+ case LFUN_LAYOUT:
+ enable = !cur.inset().forcePlainLayout();
+ break;
+
+ case LFUN_LAYOUT_PARAGRAPH:
+ case LFUN_PARAGRAPH_PARAMS:
+ case LFUN_PARAGRAPH_PARAMS_APPLY:
+ case LFUN_PARAGRAPH_UPDATE:
+ enable = cur.inset().allowParagraphCustomization();
+ break;
+
+ // FIXME: why are accent lfuns forbidden with pass_thru layouts?
+ case LFUN_ACCENT_ACUTE:
+ case LFUN_ACCENT_BREVE:
+ case LFUN_ACCENT_CARON:
+ case LFUN_ACCENT_CEDILLA:
+ case LFUN_ACCENT_CIRCLE:
+ case LFUN_ACCENT_CIRCUMFLEX:
+ case LFUN_ACCENT_DOT:
+ case LFUN_ACCENT_GRAVE:
+ case LFUN_ACCENT_HUNGARIAN_UMLAUT:
+ case LFUN_ACCENT_MACRON:
+ case LFUN_ACCENT_OGONEK:
+ case LFUN_ACCENT_TIE:
+ case LFUN_ACCENT_TILDE:
+ case LFUN_ACCENT_UMLAUT:
+ case LFUN_ACCENT_UNDERBAR:
+ case LFUN_ACCENT_UNDERDOT:
+ case LFUN_FONT_DEFAULT:
+ case LFUN_FONT_FRAK:
+ case LFUN_FONT_SIZE:
+ case LFUN_FONT_STATE:
+ case LFUN_FONT_UNDERLINE:
+ case LFUN_FONT_STRIKEOUT:
+ case LFUN_FONT_UULINE:
+ case LFUN_FONT_UWAVE:
+ case LFUN_TEXTSTYLE_APPLY:
+ case LFUN_TEXTSTYLE_UPDATE:
+ enable = !cur.paragraph().isPassThru();
+ break;
+