From 0748751c9f097d9d866605306bbdd4b96e2a5c4e Mon Sep 17 00:00:00 2001
From: David Boddie <david.boddie@nokia.com>
Date: Wed, 27 Apr 2011 19:16:41 +0200
Subject: Squashed commit of the changes from the mobile-examples repository
 (4.7-generated-declarative branch).

---
 examples/threads/waitconditions/waitconditions.cpp | 132 +++++++++++++++------
 1 file changed, 95 insertions(+), 37 deletions(-)

(limited to 'examples/threads/waitconditions/waitconditions.cpp')

diff --git a/examples/threads/waitconditions/waitconditions.cpp b/examples/threads/waitconditions/waitconditions.cpp
index 5c8cb7149f..0063db5b91 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"
-- 
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