C++ qstr函数代码示例

void MonoIcon::ensureLoaded() const {
	if (_size.isValid()) {
		return;
	}
	const uchar *data = _mask->data();
	int size = _mask->size();

	auto generateTag = qstr("GENERATE:");
	if (size > generateTag.size() && !memcmp(data, generateTag.data(), generateTag.size())) {
		size -= generateTag.size();
		data += generateTag.size();
		auto sizeTag = qstr("SIZE:");
		if (size > sizeTag.size() && !memcmp(data, sizeTag.data(), sizeTag.size())) {
			size -= sizeTag.size();
			data += sizeTag.size();
			QByteArray baForStream(reinterpret_cast<const char*>(data), size);
			QBuffer buffer(&baForStream);
			buffer.open(QIODevice::ReadOnly);

			QDataStream stream(&buffer);
			stream.setVersion(QDataStream::Qt_5_1);

			qint32 width = 0, height = 0;
			stream >> width >> height;
			t_assert(stream.status() == QDataStream::Ok);

			switch (cScale()) {
			case dbisOne: _size = QSize(width, height); break;
			case dbisOneAndQuarter: _size = QSize(pxAdjust(width, 5), pxAdjust(height, 5)); break;
			case dbisOneAndHalf: _size = QSize(pxAdjust(width, 6), pxAdjust(height, 6)); break;
			case dbisTwo: _size = QSize(width * 2, height * 2); break;
			}
		} else {

//This is intended to write the information of save data to QTableView.
void save_data_info_dialog::UpdateData()
{
	m_list->clearContents();
	int num_entries = 4; // set this to number of members in struct
	m_list->setRowCount(num_entries);

	//Maybe there should be more details of save data.
	m_list->setItem(0, 0, new QTableWidgetItem(tr("User ID")));
	m_list->setItem(0, 1, new QTableWidgetItem("00000001 (Default)"));

	m_list->setItem(1, 0, new QTableWidgetItem(tr("Title")));
	m_list->setItem(1, 1, new QTableWidgetItem(qstr(m_entry.title)));

	m_list->setItem(2, 0, new QTableWidgetItem(tr("Subtitle")));
	m_list->setItem(2, 1, new QTableWidgetItem(qstr(m_entry.subtitle)));

	m_list->setItem(3, 0, new QTableWidgetItem(tr("Detail")));
	m_list->setItem(3, 1, new QTableWidgetItem(qstr(m_entry.details)));

	QImage img;
	if (m_entry.iconBuf.size() > 0 && img.loadFromData((uchar*)&m_entry.iconBuf[0], m_entry.iconBuf.size(), "PNG"))
	{
		m_list->insertRow(0);
		QTableWidgetItem* img_item = new QTableWidgetItem();
		img_item->setData(Qt::DecorationRole, QPixmap::fromImage(img));
		m_list->setItem(0, 0, new QTableWidgetItem(tr("Icon")));
		m_list->setItem(0, 1, img_item);
	}
}

bool UsernameBox::onUpdateFail(const RPCError &error) {
	if (MTP::isDefaultHandledError(error)) return false;

	_saveRequestId = 0;
	QString err(error.type());
	if (err == qstr("USERNAME_NOT_MODIFIED") || _sentUsername == App::self()->username) {
		App::self()->setName(TextUtilities::SingleLine(App::self()->firstName), TextUtilities::SingleLine(App::self()->lastName), TextUtilities::SingleLine(App::self()->nameOrPhone), TextUtilities::SingleLine(_sentUsername));
		closeBox();
		return true;
	} else if (err == qstr("USERNAME_INVALID")) {
		_username->setFocus();
		_username->showError();
		_errorText = lang(lng_username_invalid);
		update();
		return true;
	} else if (err == qstr("USERNAME_OCCUPIED") || err == qstr("USERNAMES_UNAVAILABLE")) {
		_username->setFocus();
		_username->showError();
		_errorText = lang(lng_username_occupied);
		update();
		return true;
	}
	_username->setFocus();
	return true;
}

void filedialogInit() {
	if (cDialogLastPath().isEmpty()) {
#ifdef Q_OS_WIN
		// hack to restore previous dir without hurting performance
		QSettings settings(QSettings::UserScope, qstr("QtProject"));
		settings.beginGroup(qstr("Qt"));
		QByteArray sd = settings.value(qstr("filedialog")).toByteArray();
		QDataStream stream(&sd, QIODevice::ReadOnly);
		if (!stream.atEnd()) {
			int version = 3, _QFileDialogMagic = 190;
			QByteArray splitterState;
			QByteArray headerData;
			QList<QUrl> bookmarks;
			QStringList history;
			QString currentDirectory;
			qint32 marker;
			qint32 v;
			qint32 viewMode;
			stream >> marker;
			stream >> v;
			if (marker == _QFileDialogMagic && v == version) {
				stream >> splitterState
						>> bookmarks
						>> history
						>> currentDirectory
						>> headerData
						>> viewMode;
				cSetDialogLastPath(currentDirectory);
			}

bool PhoneWidget::phoneSubmitFail(const RPCError &error) {
	if (MTP::isFloodError(error)) {
		stopCheck();
		_sentRequest = 0;
		showPhoneError(langFactory(lng_flood_error));
		return true;
	}
	if (MTP::isDefaultHandledError(error)) return false;

	stopCheck();
	_sentRequest = 0;
	auto &err = error.type();
	if (err == qstr("PHONE_NUMBER_FLOOD")) {
		Ui::show(Box<InformBox>(lang(lng_error_phone_flood)));
		return true;
	} else if (err == qstr("PHONE_NUMBER_INVALID")) { // show error
		showPhoneError(langFactory(lng_bad_phone));
		return true;
	}
	if (cDebug()) { // internal server error
		auto text = err + ": " + error.description();
		showPhoneError([text] { return text; });
	} else {
		showPhoneError(langFactory(lng_server_error));
	}
	return false;
}

bool IntroPwdCheck::pwdSubmitFail(const RPCError &error) {
	if (MTP::isFloodError(error)) {
		sentRequest = 0;
		stopCheck();
		_codeField.setDisabled(false);
		showError(lang(lng_flood_error));
		_pwdField.setDisabled(false);
		_pwdField.notaBene();
		return true;
	}
	if (MTP::isDefaultHandledError(error)) return false;

	sentRequest = 0;
	stopCheck();
	_pwdField.setDisabled(false);
	_codeField.setDisabled(false);
	const QString &err = error.type();
	if (err == qstr("PASSWORD_HASH_INVALID")) {
		showError(lang(lng_signin_bad_password));
		_pwdField.selectAll();
		_pwdField.notaBene();
		return true;
	} else if (err == qstr("PASSWORD_EMPTY")) {
		intro()->onBack();
	}
	if (cDebug()) { // internal server error
		showError(err + ": " + error.description());
	} else {
		showError(lang(lng_server_error));
	}
	_pwdField.setFocus();
	return false;
}

void msg_dialog_frame::ProgressBarSetMsg(u32 index, const std::string& msg)
{
	if (m_dialog)
	{
		if (index == 0 && m_text1) m_text1->setText(qstr(msg));
		if (index == 1 && m_text2) m_text2->setText(qstr(msg));
	}
}

/**
* Returns false if the game should be hidden because it doesn't match search term in toolbar.
*/
bool game_list_frame::SearchMatchesApp(const std::string& name, const std::string& serial)
{
	if (m_Search_Bar->text() != "")
	{
		QString searchText = m_Search_Bar->text().toLower();
		return qstr(name).toLower().contains(searchText) || qstr(serial).toLower().contains(searchText);
	}
	return true;
}

void memory_viewer_panel::ShowMemory()
{
	QString t_mem_addr_str;
	QString t_mem_hex_str;
	QString t_mem_ascii_str;

	for(u32 addr = m_addr; addr != m_addr + m_rowcount * m_colcount; addr += m_colcount)
	{
		t_mem_addr_str += qstr(fmt::format("%08x", addr));
		if (addr != m_addr + m_rowcount * m_colcount - m_colcount) t_mem_addr_str += "\r\n";
	}

	for (u32 row = 0; row < m_rowcount; row++)
	{
		for (u32 col = 0; col < m_colcount; col++)
		{
			u32 addr = m_addr + row * m_colcount + col;	

			if (vm::check_addr(addr))
			{
				const u8 rmem = vm::read8(addr);
				t_mem_hex_str += qstr(fmt::format("%02x ", rmem));
				const bool isPrintable = rmem >= 32 && rmem <= 126;
				t_mem_ascii_str += qstr(isPrintable ? std::string(1, rmem) : ".");
			}
			else
			{
				t_mem_hex_str += "??";
				t_mem_ascii_str += "?";
				if (col != m_colcount - 1) t_mem_hex_str += " ";
			}
		}
		if (row != m_rowcount - 1)
		{
			t_mem_hex_str += "\r\n";
			t_mem_ascii_str += "\r\n";
		}
	}

	t_mem_addr->setText(t_mem_addr_str);
	t_mem_hex->setText(t_mem_hex_str);
	t_mem_ascii->setText(t_mem_ascii_str);

	// Adjust Text Boxes
	textSize = fontMetrics->size(0, t_mem_addr->text());
	t_mem_addr->setFixedSize(textSize.width() + 10, textSize.height() + 10);

	textSize = fontMetrics->size(0, t_mem_hex->text());
	t_mem_hex->setFixedSize(textSize.width() + 10, textSize.height() + 10);

	textSize = fontMetrics->size(0, t_mem_ascii->text());
	t_mem_ascii->setFixedSize(textSize.width() + 10, textSize.height() + 10);
}

QString telegramFaqLink() {
	QString result = qsl("https://telegram.org/faq");
	if (cLang() > languageDefault && cLang() < languageCount) {
		const char *code = LanguageCodes[cLang()].c_str();
		if (qstr("de") == code || qstr("es") == code || qstr("it") == code || qstr("ko") == code) {
			result += qsl("/") + code;
		} else if (qstr("pt_BR") == code) {
			result += qsl("/br");
		}
	}
	return result;
}

void cg_disasm_window::ShowDisasm()
{
	if (QFileInfo(m_path_last).isFile())
	{
		CgBinaryDisasm disasm(sstr(m_path_last));
		disasm.BuildShaderBody();
		m_disasm_text->setText(qstr(disasm.GetArbShader()));
		m_glsl_text->setText(qstr(disasm.GetGlslShader()));
	}
	else if (!m_path_last.isEmpty())
	{
		LOG_ERROR(LOADER, "CgDisasm: Failed to open %s", sstr(m_path_last));
	}
}

bool DcOptions::loadFromFile(const QString &path) {
	QVector<MTPDcOption> options;

	QFile f(path);
	if (!f.open(QIODevice::ReadOnly)) {
		LOG(("MTP Error: could not read '%1'").arg(path));
		return false;
	}
	QTextStream stream(&f);
	stream.setCodec("UTF-8");
	while (!stream.atEnd()) {
		auto line = stream.readLine();
		auto components = line.split(QRegularExpression(R"(\s)"), QString::SkipEmptyParts);
		if (components.isEmpty() || components[0].startsWith('#')) {
			continue;
		}

		auto error = [line] {
			LOG(("MTP Error: in .tdesktop-endpoints expected 'dcId host port [tcpo_only] [media_only]', got '%1'").arg(line));
			return false;
		};
		if (components.size() < 3) {
			return error();
		}
		auto dcId = components[0].toInt();
		auto ip = components[1];
		auto port = components[2].toInt();
		auto host = QHostAddress();
		if (dcId <= 0 || dcId >= internal::kDcShift || !host.setAddress(ip) || port <= 0) {
			return error();
		}
		auto flags = MTPDdcOption::Flags(0);
		if (host.protocol() == QAbstractSocket::IPv6Protocol) {
			flags |= MTPDdcOption::Flag::f_ipv6;
		}
		for (auto &option : components.mid(3)) {
			if (option.startsWith('#')) {
				break;
			} else if (option == qstr("tcpo_only")) {
				flags |= MTPDdcOption::Flag::f_tcpo_only;
			} else if (option == qstr("media_only")) {
				flags |= MTPDdcOption::Flag::f_media_only;
			} else {
				return error();
			}
		}
		options.push_back(MTP_dcOption(MTP_flags(flags), MTP_int(dcId), MTP_string(ip), MTP_int(port)));
	}

bool MultiPropertySelector_accessor::set_value( const std::string& str ) {
  QString qstr( str.c_str() );
  
  // str is just an element of an xml file, hence can not be parsed
  // by QDomDocument. We need to add a root element.
  qstr = "<root>" + qstr + "</root>";
  QDomDocument doc;
  bool parsed = doc.setContent( qstr );
  appli_assert( parsed );

  QDomElement root_element = doc.documentElement();
  QDomElement elem = root_element.firstChild().toElement();

  QString count_str = elem.attribute( "count" );
  int count = count_str.toInt();
  QString prop_string = elem.attribute( "value" );
  QStringList prop_list = QStringList::split( ";", prop_string );

  for( int i = 0 ; i < prop_list.size() ; i++ ) {
    QString name = prop_list[i];
    int id = 0; 
    for( ; id < selector_->count() ; id++ ) {
      if( selector_->text( id ) == name ) {
        selector_->setCurrentItem( id );
        break;
      }
    }
  }
  return true;
}

void ChessWidget::onPutFEN() const
{
  char fen[Board::FENsize];
  cpos_.toFEN(fen);
  QString qstr(fen);
  QApplication::clipboard()->setText(qstr);
}

Csv_input_mgrid_dialog::Csv_input_mgrid_dialog(std::ifstream& infile, QWidget* parent,
        const char* name )
    : QWidget( parent )
{
    setupUi(this);



    std::streampos mark = infile.tellg();
    std::string str;
    std::getline(infile, str);
    QString qstr(str.c_str());

    QStringList property_names = qstr.split(",");

    X_col_name_->addItems(property_names);
    X_col_name_->addItem("None");
    Y_col_name_->addItems(property_names);
    Y_col_name_->addItem("None");
    Z_col_name_->addItems(property_names);
    Z_col_name_->addItem("None");


    //Set default selection
    X_col_name_->setCurrentIndex(0);
    Y_col_name_->setCurrentIndex(std::min(1,property_names.size()));
    Z_col_name_->setCurrentIndex(std::min(2,property_names.size()));

    mask_col_name_->addItems(property_names);

    name_->setFocus();
}