Method convertSelectedTextTo

src/scintillaeditview.cpp:2813–2840

}

void ScintillaEditView::convertSelectedTextTo(const TextCaseType & caseToConvert)
{
	int selectionStart = execute(SCI_GETSELECTIONSTART);
	int selectionEnd = execute(SCI_GETSELECTIONEND);

	int strLen = (selectionEnd - selectionStart);
	if (strLen != 0)
	{
		int strSize = strLen + 1;

		char *selectedStr = new char[strSize];

		execute(SCI_GETSELTEXT, 0, reinterpret_cast<sptr_t>(selectedStr));

		QString utf8Str(selectedStr);
		changeCase(caseToConvert, utf8Str);

		QByteArray bytes = utf8Str.toUtf8();

		execute(SCI_SETTARGETRANGE, selectionStart, selectionEnd);

		execute(SCI_BEGINUNDOACTION);
		execute(SCI_REPLACETARGET, strLen, reinterpret_cast<sptr_t>(bytes.data()));
		execute(SCI_ENDUNDOACTION);
		execute(SCI_SETSEL, selectionStart, selectionEnd);
		delete[] selectedStr;
	}
}

//获取当前选择的行范围
std::pair<size_t, size_t> ScintillaEditView::getSelectionLinesRange(intptr_t selectionNumber /* = -1 */) const