diff options
Diffstat (limited to 'examples/threads')
-rw-r--r-- | examples/threads/mandelbrot/main.cpp | 4 | ||||
-rw-r--r-- | examples/threads/mandelbrot/mandelbrot.pro | 2 | ||||
-rw-r--r-- | examples/threads/mandelbrot/mandelbrotwidget.cpp | 18 | ||||
-rw-r--r-- | examples/threads/mandelbrot/mandelbrotwidget.h | 30 | ||||
-rw-r--r-- | examples/threads/queuedcustomtype/main.cpp | 4 | ||||
-rw-r--r-- | examples/threads/queuedcustomtype/queuedcustomtype.pro | 10 | ||||
-rw-r--r-- | examples/threads/semaphores/semaphores.cpp | 81 | ||||
-rw-r--r-- | examples/threads/semaphores/semaphores.pro | 6 | ||||
-rw-r--r-- | examples/threads/threads.pro | 1 | ||||
-rw-r--r-- | examples/threads/waitconditions/waitconditions.cpp | 132 | ||||
-rw-r--r-- | examples/threads/waitconditions/waitconditions.pro | 5 |
11 files changed, 228 insertions, 65 deletions
diff --git a/examples/threads/mandelbrot/main.cpp b/examples/threads/mandelbrot/main.cpp index 610534d..5211c20 100644 --- a/examples/threads/mandelbrot/main.cpp +++ b/examples/threads/mandelbrot/main.cpp @@ -47,7 +47,11 @@ int main(int argc, char *argv[]) { QApplication app(argc, argv); MandelbrotWidget widget; +#if defined(Q_WS_S60) + widget.showMaximized(); +#else widget.show(); +#endif return app.exec(); } //! [0] diff --git a/examples/threads/mandelbrot/mandelbrot.pro b/examples/threads/mandelbrot/mandelbrot.pro index 2db886b..aa14b46 100644 --- a/examples/threads/mandelbrot/mandelbrot.pro +++ b/examples/threads/mandelbrot/mandelbrot.pro @@ -13,3 +13,5 @@ sources.path = $$[QT_INSTALL_EXAMPLES]/threads/mandelbrot INSTALLS += target sources symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri) +maemo5: include($$QT_SOURCE_TREE/examples/maemo5pkgrules.pri) + diff --git a/examples/threads/mandelbrot/mandelbrotwidget.cpp b/examples/threads/mandelbrot/mandelbrotwidget.cpp index 8dc1f5d..47eb473 100644 --- a/examples/threads/mandelbrot/mandelbrotwidget.cpp +++ b/examples/threads/mandelbrot/mandelbrotwidget.cpp @@ -44,6 +44,7 @@ #include "mandelbrotwidget.h" + //! [0] const double DefaultCenterX = -0.637011f; const double DefaultCenterY = -0.0395159f; @@ -72,6 +73,21 @@ MandelbrotWidget::MandelbrotWidget(QWidget *parent) setCursor(Qt::CrossCursor); #endif resize(550, 400); + +#if defined(Q_WS_S60) || defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR) + ZoomButton *zoomIn = new ZoomButton(tr("Zoom In"), ZoomInFactor, this); + ZoomButton *zoomOut = new ZoomButton(tr("Zoom Out"), ZoomOutFactor, this); + + QGridLayout *layout = new QGridLayout(this); + layout->addWidget(zoomIn, 0, 1); + layout->addWidget(zoomOut, 1, 1); + layout->setColumnStretch(0, 10); + layout->setRowStretch(2, 10); + setLayout(layout); + + connect(zoomIn, SIGNAL(zoom(double)), this, SLOT(zoom(double))); + connect(zoomOut, SIGNAL(zoom(double)), this, SLOT(zoom(double))); +#endif } //! [1] @@ -113,6 +129,7 @@ void MandelbrotWidget::paintEvent(QPaintEvent * /* event */) } //! [8] //! [9] +#if !defined(Q_WS_S60) && !defined(Q_WS_MAEMO_5) && !defined(Q_WS_SIMULATOR) QString text = tr("Use mouse wheel or the '+' and '-' keys to zoom. " "Press and hold left mouse button to scroll."); QFontMetrics metrics = painter.fontMetrics(); @@ -125,6 +142,7 @@ void MandelbrotWidget::paintEvent(QPaintEvent * /* event */) painter.setPen(Qt::white); painter.drawText((width() - textWidth) / 2, metrics.leading() + metrics.ascent(), text); +#endif } //! [9] diff --git a/examples/threads/mandelbrot/mandelbrotwidget.h b/examples/threads/mandelbrot/mandelbrotwidget.h index 5af3a8d..53bbeb6 100644 --- a/examples/threads/mandelbrot/mandelbrotwidget.h +++ b/examples/threads/mandelbrot/mandelbrotwidget.h @@ -43,9 +43,35 @@ #include <QPixmap> #include <QWidget> - #include "renderthread.h" +#if defined(Q_WS_S60) || defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR) +#include <QPushButton> + +class ZoomButton : public QPushButton +{ + Q_OBJECT +public: + ZoomButton(const QString &text, double zoomFactor, QWidget *parent = NULL) + : QPushButton(text, parent), m_ZoomFactor(zoomFactor) + { + connect(this, SIGNAL(clicked()), this, SLOT(handleClick())); + } + +signals: + void zoom(double zoomFactor); + +private slots: + void handleClick() + { + emit zoom(m_ZoomFactor); + } + +private: + const double m_ZoomFactor; +}; +#endif + //! [0] class MandelbrotWidget : public QWidget { @@ -65,9 +91,9 @@ protected: private slots: void updatePixmap(const QImage &image, double scaleFactor); + void zoom(double zoomFactor); private: - void zoom(double zoomFactor); void scroll(int deltaX, int deltaY); RenderThread thread; diff --git a/examples/threads/queuedcustomtype/main.cpp b/examples/threads/queuedcustomtype/main.cpp index d70a88a..356352a 100644 --- a/examples/threads/queuedcustomtype/main.cpp +++ b/examples/threads/queuedcustomtype/main.cpp @@ -119,7 +119,11 @@ int main(int argc, char *argv[]) qsrand(QTime::currentTime().elapsed()); Window window; +#if defined(Q_WS_S60) + window.showMaximized(); +#else window.show(); +#endif window.loadImage(createImage(256, 256)); //! [main finish] diff --git a/examples/threads/queuedcustomtype/queuedcustomtype.pro b/examples/threads/queuedcustomtype/queuedcustomtype.pro index 6f39121..9c93578 100644 --- a/examples/threads/queuedcustomtype/queuedcustomtype.pro +++ b/examples/threads/queuedcustomtype/queuedcustomtype.pro @@ -5,3 +5,13 @@ SOURCES = main.cpp \ block.cpp \ renderthread.cpp \ window.cpp + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/threads/mandelbrot +sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS mandelbrot.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/threads/mandelbrot +INSTALLS += target sources + +symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri) +maemo5: include($$QT_SOURCE_TREE/examples/maemo5pkgrules.pri) + diff --git a/examples/threads/semaphores/semaphores.cpp b/examples/threads/semaphores/semaphores.cpp index 88630de..3632895 100644 --- a/examples/threads/semaphores/semaphores.cpp +++ b/examples/threads/semaphores/semaphores.cpp @@ -38,13 +38,18 @@ ** ****************************************************************************/ -#include <QtCore> +#include <QtGui> #include <stdio.h> #include <stdlib.h> //! [0] +#ifdef Q_WS_S60 +const int DataSize = 300; +#else const int DataSize = 100000; +#endif + const int BufferSize = 8192; char buffer[BufferSize]; @@ -57,43 +62,70 @@ class Producer : public QThread //! [1] //! [2] { public: - void run(); -}; - -void Producer::run() -{ - qsrand(QTime(0,0,0).secsTo(QTime::currentTime())); - for (int i = 0; i < DataSize; ++i) { - freeBytes.acquire(); - buffer[i % BufferSize] = "ACGT"[(int)qrand() % 4]; - usedBytes.release(); + void run() + { + qsrand(QTime(0,0,0).secsTo(QTime::currentTime())); + for (int i = 0; i < DataSize; ++i) { + freeBytes.acquire(); + buffer[i % BufferSize] = "ACGT"[(int)qrand() % 4]; + usedBytes.release(); + } } -} +}; //! [2] //! [3] class Consumer : public QThread //! [3] //! [4] { + Q_OBJECT public: - void run(); -}; - -void Consumer::run() -{ - for (int i = 0; i < DataSize; ++i) { - usedBytes.acquire(); - fprintf(stderr, "%c", buffer[i % BufferSize]); - freeBytes.release(); + void run() + { + for (int i = 0; i < DataSize; ++i) { + usedBytes.acquire(); + #ifdef Q_WS_S60 + QString text(buffer[i % BufferSize]); + freeBytes.release(); + emit stringConsumed(text); + #else + fprintf(stderr, "%c", buffer[i % BufferSize]); + freeBytes.release(); + #endif + } + fprintf(stderr, "\n"); } - fprintf(stderr, "\n"); -} + +signals: + void stringConsumed(const QString &text); + +protected: + bool finish; +}; //! [4] //! [5] int main(int argc, char *argv[]) //! [5] //! [6] { +#ifdef Q_WS_S60 + // Self made console for Symbian + QApplication app(argc, argv); + QPlainTextEdit console; + console.setReadOnly(true); + console.setTextInteractionFlags(Qt::NoTextInteraction); + console.showMaximized(); + + Producer producer; + Consumer consumer; + + QObject::connect(&consumer, SIGNAL(stringConsumed(const QString&)), &console, SLOT(insertPlainText(QString)), Qt::BlockingQueuedConnection); + + producer.start(); + consumer.start(); + + app.exec(); +#else QCoreApplication app(argc, argv); Producer producer; Consumer consumer; @@ -102,5 +134,8 @@ int main(int argc, char *argv[]) producer.wait(); consumer.wait(); return 0; +#endif } //! [6] + +#include "semaphores.moc" diff --git a/examples/threads/semaphores/semaphores.pro b/examples/threads/semaphores/semaphores.pro index 85f7311..1cc3ace 100644 --- a/examples/threads/semaphores/semaphores.pro +++ b/examples/threads/semaphores/semaphores.pro @@ -1,5 +1,6 @@ SOURCES += semaphores.cpp -QT = core +QT = core gui + CONFIG -= app_bundle CONFIG += console @@ -10,3 +11,6 @@ sources.path = $$[QT_INSTALL_EXAMPLES]/threads/semaphores INSTALLS += target sources symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri) +maemo5: include($$QT_SOURCE_TREE/examples/maemo5pkgrules.pri) + +simulator: warning(This example might not fully work on Simulator platform) diff --git a/examples/threads/threads.pro b/examples/threads/threads.pro index feb72f0..a23577f 100644 --- a/examples/threads/threads.pro +++ b/examples/threads/threads.pro @@ -10,4 +10,3 @@ sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS threads.pro README sources.path = $$[QT_INSTALL_EXAMPLES]/threads INSTALLS += target sources -symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri) diff --git a/examples/threads/waitconditions/waitconditions.cpp b/examples/threads/waitconditions/waitconditions.cpp index 5c8cb71..0063db5 100644 --- a/examples/threads/waitconditions/waitconditions.cpp +++ b/examples/threads/waitconditions/waitconditions.cpp @@ -38,13 +38,18 @@ ** ****************************************************************************/ -#include <QtCore> +#include <QtGui> #include <stdio.h> #include <stdlib.h> //! [0] +#ifdef Q_WS_S60 +const int DataSize = 300; +#else const int DataSize = 100000; +#endif + const int BufferSize = 8192; char buffer[BufferSize]; @@ -59,60 +64,110 @@ class Producer : public QThread //! [1] //! [2] { public: - void run(); -}; + Producer(QObject *parent = NULL) : QThread(parent) + { + } -void Producer::run() -{ - qsrand(QTime(0,0,0).secsTo(QTime::currentTime())); - - for (int i = 0; i < DataSize; ++i) { - mutex.lock(); - if (numUsedBytes == BufferSize) - bufferNotFull.wait(&mutex); - mutex.unlock(); - - buffer[i % BufferSize] = "ACGT"[(int)qrand() % 4]; - - mutex.lock(); - ++numUsedBytes; - bufferNotEmpty.wakeAll(); - mutex.unlock(); + void run() + { + qsrand(QTime(0,0,0).secsTo(QTime::currentTime())); + + for (int i = 0; i < DataSize; ++i) { + mutex.lock(); + if (numUsedBytes == BufferSize) + bufferNotFull.wait(&mutex); + mutex.unlock(); + + buffer[i % BufferSize] = "ACGT"[(int)qrand() % 4]; + + mutex.lock(); + ++numUsedBytes; + bufferNotEmpty.wakeAll(); + mutex.unlock(); + } } -} +}; //! [2] //! [3] class Consumer : public QThread //! [3] //! [4] { + Q_OBJECT public: - void run(); + Consumer(QObject *parent = NULL) : QThread(parent) + { + } + + void run() + { + for (int i = 0; i < DataSize; ++i) { + mutex.lock(); + if (numUsedBytes == 0) + bufferNotEmpty.wait(&mutex); + mutex.unlock(); + + #ifdef Q_WS_S60 + emit stringConsumed(QString(buffer[i % BufferSize])); + #else + fprintf(stderr, "%c", buffer[i % BufferSize]); + #endif + + mutex.lock(); + --numUsedBytes; + bufferNotFull.wakeAll(); + mutex.unlock(); + } + fprintf(stderr, "\n"); + } + +signals: + void stringConsumed(const QString &text); }; +//! [4] -void Consumer::run() +#ifdef Q_WS_S60 +class PlainTextEdit : public QPlainTextEdit { - for (int i = 0; i < DataSize; ++i) { - mutex.lock(); - if (numUsedBytes == 0) - bufferNotEmpty.wait(&mutex); - mutex.unlock(); - - fprintf(stderr, "%c", buffer[i % BufferSize]); - - mutex.lock(); - --numUsedBytes; - bufferNotFull.wakeAll(); - mutex.unlock(); + Q_OBJECT +public: + PlainTextEdit(QWidget *parent = NULL) : QPlainTextEdit(parent), producer(NULL), consumer(NULL) + { + setTextInteractionFlags(Qt::NoTextInteraction); + + producer = new Producer(this); + consumer = new Consumer(this); + + QObject::connect(consumer, SIGNAL(stringConsumed(const QString &)), SLOT(insertPlainText(const QString &)), Qt::BlockingQueuedConnection); + + QTimer::singleShot(0, this, SLOT(startThreads())); } - fprintf(stderr, "\n"); -} -//! [4] + +protected: + Producer *producer; + Consumer *consumer; + +protected slots: + void startThreads() + { + producer->start(); + consumer->start(); + } +}; +#endif //! [5] int main(int argc, char *argv[]) //! [5] //! [6] { +#ifdef Q_WS_S60 + QApplication app(argc, argv); + + PlainTextEdit console; + console.showMaximized(); + + return app.exec(); +#else QCoreApplication app(argc, argv); Producer producer; Consumer consumer; @@ -121,5 +176,8 @@ int main(int argc, char *argv[]) producer.wait(); consumer.wait(); return 0; +#endif } //! [6] + +#include "waitconditions.moc" diff --git a/examples/threads/waitconditions/waitconditions.pro b/examples/threads/waitconditions/waitconditions.pro index 4f5d1d4..5329286 100644 --- a/examples/threads/waitconditions/waitconditions.pro +++ b/examples/threads/waitconditions/waitconditions.pro @@ -3,8 +3,8 @@ ###################################################################### TEMPLATE = app +QT = core gui CONFIG -= moc app_bundle -QT -= gui DEPENDPATH += . INCLUDEPATH += . @@ -19,3 +19,6 @@ sources.path = $$[QT_INSTALL_EXAMPLES]/threads/waitconditions INSTALLS += target sources symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri) +maemo5: include($$QT_SOURCE_TREE/examples/maemo5pkgrules.pri) + +simulator: warning(This example might not fully work on Simulator platform) |