main.cpp 范例文件

twittertimeline/main.cpp
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#include "ui_twitterdialog.h" #include "twittertimelinemodel.h" #include <functional> #include <QUrl> #include <QApplication> #include <QNetworkReply> #include <QNetworkRequest> #include <QCommandLineParser> #include <QCommandLineOption> int main(int argc, char **argv) { QApplication app(argc, argv); app.setApplicationName("Twitter Timeline"); app.setApplicationDisplayName("Twitter Timeline"); app.setOrganizationDomain("qt.io"); app.setOrganizationName("The Qt Company"); QCommandLineParser parser; QCommandLineOption token(QStringList() << "k" << "consumer-key", "Application consumer key", "key"); QCommandLineOption secret(QStringList() << "s" << "consumer-secret", "Application consumer secret", "secret"); QCommandLineOption connect(QStringList() << "c" << "connect", "Connects to twitter. Requires consumer-key and consumer-secret"); parser.addOptions({ token, secret, connect }); parser.process(app); struct TwitterDialog : QDialog, Ui::TwitterDialog { TwitterTimelineModel model; TwitterDialog() : QDialog() { setupUi(this); view->setModel(&model); view->horizontalHeader()->hideSection(0); view->horizontalHeader()->hideSection(1); } } twitterDialog; const auto authenticate = [&]() { const auto clientIdentifier = twitterDialog.clientIdLineEdit->text(); const auto clientSharedSecret = twitterDialog.clientSecretLineEdit->text(); twitterDialog.model.authenticate(qMakePair(clientIdentifier, clientSharedSecret)); }; const auto buttonSlot = [&]() { if (twitterDialog.model.status() == Twitter::Status::Granted) twitterDialog.model.updateTimeline(); else authenticate(); }; twitterDialog.clientIdLineEdit->setText(parser.value(token)); twitterDialog.clientSecretLineEdit->setText(parser.value(secret)); if (parser.isSet(connect)) { if (parser.value(token).isEmpty() || parser.value(secret).isEmpty()) { parser.showHelp(); } else { authenticate(); twitterDialog.view->setFocus(); } } QObject::connect(twitterDialog.pushButton, &QPushButton::clicked, buttonSlot); QObject::connect(&twitterDialog.model, &TwitterTimelineModel::authenticated, std::bind(&QPushButton::setText, twitterDialog.pushButton, "&Update")); twitterDialog.show(); return app.exec(); }