Method InsertTextAt

plugins/Cardinal/src/DearImGuiColorTextEditor/TextEditor.cpp:260–307

}

int TextEditor::InsertTextAt(Coordinates& /* inout */ aWhere, const char * aValue)
{
	assert(!mReadOnly);

	int cindex = GetCharacterIndex(aWhere);
	int totalLines = 0;
	while (*aValue != '\0')
	{
		assert(!mLines.empty());

		if (*aValue == '\r')
		{
			// skip
			++aValue;
		}
		else if (*aValue == '\n')
		{
			if (cindex < (int)mLines[aWhere.mLine].size())
			{
				auto& newLine = InsertLine(aWhere.mLine + 1);
				auto& line = mLines[aWhere.mLine];
				newLine.insert(newLine.begin(), line.begin() + cindex, line.end());
				line.erase(line.begin() + cindex, line.end());
			}
			else
			{
				InsertLine(aWhere.mLine + 1);
			}
			++aWhere.mLine;
			aWhere.mColumn = 0;
			cindex = 0;
			++totalLines;
			++aValue;
		}
		else
		{
			auto& line = mLines[aWhere.mLine];
			auto d = UTF8CharLength(*aValue);
			while (d-- > 0 && *aValue != '\0')
				line.insert(line.begin() + cindex++, Glyph(*aValue++, PaletteIndex::Default));
			++aWhere.mColumn;
		}

		mTextChanged = true;
	}

	return totalLines;
}

void TextEditor::AddUndo(UndoRecord& aValue)
{