diff options
Diffstat (limited to 'src/corelib/doc/snippets/code')
5 files changed, 65 insertions, 37 deletions
diff --git a/src/corelib/doc/snippets/code/src_corelib_global_qglobal.cpp b/src/corelib/doc/snippets/code/src_corelib_global_qglobal.cpp index 2b58802426..ddb84bcc74 100644 --- a/src/corelib/doc/snippets/code/src_corelib_global_qglobal.cpp +++ b/src/corelib/doc/snippets/code/src_corelib_global_qglobal.cpp @@ -535,7 +535,7 @@ CApaApplication *myApplicationFactory(); //! [49] -void myMessageHandler(QtMsgType, const QMessageLogContext &, const char *); +void myMessageHandler(QtMsgType, const QMessageLogContext &, const QString &); //! [49] //! [50] diff --git a/src/corelib/doc/snippets/code/src_corelib_io_qurl.cpp b/src/corelib/doc/snippets/code/src_corelib_io_qurl.cpp index ad2e502be8..532a0e1f59 100644 --- a/src/corelib/doc/snippets/code/src_corelib_io_qurl.cpp +++ b/src/corelib/doc/snippets/code/src_corelib_io_qurl.cpp @@ -45,7 +45,7 @@ QUrl url("http://www.example.com/List of holidays.xml"); //! [1] -QUrl url = QUrl::fromEncoded("http://qt.nokia.com/List%20of%20holidays.xml"); +QUrl url = QUrl::fromEncoded("http://qt-project.org/List%20of%20holidays.xml"); //! [1] @@ -73,10 +73,10 @@ http://www.example.com/cgi-bin/drawgraph.cgi?type(pie)color(green) //! [5] -QUrl baseUrl("http://qt.nokia.com/support"); -QUrl relativeUrl("../products/solutions"); +QUrl baseUrl("http://qt.digia.com/Support/"); +QUrl relativeUrl("../Product/Library/"); qDebug(baseUrl.resolved(relativeUrl).toString()); -// prints "http://qt.nokia.com/products/solutions" +// prints "http://qt.digia.com/Product/Library/" //! [5] diff --git a/src/corelib/doc/snippets/code/src_corelib_kernel_qobject.cpp b/src/corelib/doc/snippets/code/src_corelib_kernel_qobject.cpp index 932a006436..bafd3f8eb8 100644 --- a/src/corelib/doc/snippets/code/src_corelib_kernel_qobject.cpp +++ b/src/corelib/doc/snippets/code/src_corelib_kernel_qobject.cpp @@ -480,7 +480,8 @@ QObject::disconnect(lineEdit, &QLineEdit::textChanged, //! [48] //! [49] -if (isSignalConnected(QMetaMethod::fromSignal(&MyObject::valueChanged))) { +static const QMetaMethod valueChangedSignal = QMetaMethod::fromSignal(&MyObject::valueChanged); +if (isSignalConnected(valueChangedSignal)) { QByteArray data; data = get_the_value(); // expensive operation emit valueChanged(data); diff --git a/src/corelib/doc/snippets/code/src_corelib_thread_qthread.cpp b/src/corelib/doc/snippets/code/src_corelib_thread_qthread.cpp index f0bc759320..c33c8bb48a 100644 --- a/src/corelib/doc/snippets/code/src_corelib_thread_qthread.cpp +++ b/src/corelib/doc/snippets/code/src_corelib_thread_qthread.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2013 Olivier Goffart <ogoffart@woboq.com> ** Contact: http://www.qt-project.org/legal ** ** This file is part of the documentation of the Qt Toolkit. @@ -38,41 +38,68 @@ ** ****************************************************************************/ -//! [0] -class Worker : public QObject +#include <QtCore/QThread> +class MyObject; + +//! [reimpl-run] +class WorkerThread : public QThread { Q_OBJECT - -public slots: - void doWork() { - ... + void run() Q_DECL_OVERRIDE { + QString result; + /* expensive or blocking operation */ + emit resultReady(result); } +signals: + void resultReady(const QString &s); }; -void MyObject::putWorkerInAThread() +void MyObject::startWorkInAThread() { - Worker *worker = new Worker; - QThread *workerThread = new QThread(this); - - connect(workerThread, &QThread::started, worker, &Worker::doWork); - connect(workerThread, &QThread::finished, worker, &Worker::deleteLater); - worker->moveToThread(workerThread); - - // Starts an event loop, and emits workerThread->started() + WorkerThread *workerThread = new WorkerThread(this); + connect(workerThread, &WorkerThread::resultReady, this, &MyObject::handleResults); + connect(workerThread, &WorkerThread::finished, workerThread, &QObject::deleteLater); workerThread->start(); } -//! [0] +//! [reimpl-run] + -//! [1] -class AdvancedThreadManager : public QThread +//! [worker] +class Worker : public QObject { -protected: - void run() - { - /* ... other code to initialize thread... */ + Q_OBJECT + QThread workerThread; - // Begin event handling - exec(); +public slots: + void doWork(const QString ¶meter) { + // ... + emit resultReady(result); } + +signals: + void resultReady(const QString &result); +}; + +class Controller : public QObject +{ + Q_OBJECT + QThread workerThread; +public: + Controller() { + Worker *worker = new Worker; + worker->moveToThread(&workerThread); + connect(workerThread, &QThread::finished, worker, &QObject::deleteLater); + connect(this, &Controller::operate, worker, &Worker::doWork); + connect(worker, &Worker::resultReady, this, &Controller::handleResults); + workerThread.start(); + } + ~Controller() { + workerThread.quit(); + workerThread.wait(); + } +public slots: + void handleResults(const QString &); +signals: + void operate(const QString &); }; -//! [1] +//! [worker] diff --git a/src/corelib/doc/snippets/code/src_corelib_tools_qbytearray.cpp b/src/corelib/doc/snippets/code/src_corelib_tools_qbytearray.cpp index 9f52fcff98..7e221cfaab 100644 --- a/src/corelib/doc/snippets/code/src_corelib_tools_qbytearray.cpp +++ b/src/corelib/doc/snippets/code/src_corelib_tools_qbytearray.cpp @@ -258,7 +258,7 @@ if (url.startsWith("ftp:")) //! [26] -QByteArray url("http://qt.nokia.com/index.html"); +QByteArray url("http://qt-project.org/doc/qt-5.0/qtdoc/index.html"); if (url.endsWith(".html")) ... //! [26] @@ -286,16 +286,16 @@ QByteArray z = x.mid(5); // z == "pineapples" //! [30] -QByteArray x("Qt by NOKIA"); +QByteArray x("Qt by DIGIA"); QByteArray y = x.toLower(); -// y == "qt by nokia" +// y == "qt by digia" //! [30] //! [31] -QByteArray x("Qt by NOKIA"); +QByteArray x("Qt by DIGIA"); QByteArray y = x.toUpper(); -// y == "QT BY NOKIA" +// y == "QT BY DIGIA" //! [31] |