size_t TerminalDisplay::WriteWrappedElement(const Text& Element, size_t TextOffset, size_t WriteOffset, size_t Requested) { size_t Start = TextOffset; size_t Remaining = Requested; size_t Available = Element.length() - Start; if (Requested == (size_t) -1) { Requested = Available; } if (Available > 0) { if (Available < Remaining) { Remaining = Available; } while (Remaining > 0) { size_t numThisLine = Remaining; // How much can this line hold? size_t numToEOL = GetWidth() - ((Start + WriteOffset) % GetWidth()); if (!numToEOL) { MoveDown(); ++fWritePos.fLine; MoveFront(); fWritePos.fCol = 0; numToEOL = GetWidth(); } if (numThisLine > numToEOL) { numThisLine = numToEOL; } if (GetContext()->GetColorizer()) { // We only write same-color chunks; how long is it? const std::vector<char>& Colors = Element.GetColors(); char ThisColor = Colors[Start]; size_t numSameColor = 1; while (numSameColor < numThisLine && ThisColor == Colors[Start + numSameColor]) ++numSameColor; numThisLine = numSameColor; if (ThisColor != fPrevColor) { Color C; GetContext()->GetColorizer()->GetColor(ThisColor, C); SetColor(ThisColor, C); fPrevColor = ThisColor; } } WriteRawString(Element.GetText().c_str() + Start, numThisLine); fWritePos = IndexToPos(PosToIndex(fWritePos) + numThisLine); if (numThisLine == numToEOL) { ActOnEOL(); } Start += numThisLine; Remaining -= numThisLine; } } if (Requested == Available) { size_t VisL = fWriteLen / GetWidth(); size_t Wrote = WriteOffset + TextOffset + Requested; size_t WroteL = Wrote / GetWidth(); size_t NumToEOL = GetWidth() - (Wrote % GetWidth()); if (fWriteLen > Wrote && NumToEOL > 0) { // Wrote less and not at EOL EraseToRight(); } if (WroteL < VisL) { Pos prevWC = GetCursor(); MoveFront(); fWritePos.fCol = 0; for (size_t l = WroteL + 1; l <= VisL; ++l) { MoveDown(); ++fWritePos.fLine; EraseToRight(); } Move(prevWC); } } return Remaining; }