Add real threading support, including per-thread event loops, to QThread

1 files changed, 29 insertions, 3 deletions

diff --git a/src/kernel/qeventloop.cpp b/src/kernel/qeventloop.cpp
index 1f6a130..5eadb9e 100644
--- a/src/kernel/qeventloop.cpp
+++ b/src/kernel/qeventloop.cpp
@@ -41,6 +41,11 @@
 #include "qapplication.h"
 #include "qdatetime.h"
 
+#ifdef QT_THREAD_SUPPORT
+#  include "qthread.h"
+#  include "qthreadinstance_p.h"
+#endif
+
 /*!
     \class QEventLoop
     \brief The QEventLoop class manages the event queue.
@@ -100,15 +105,27 @@ QEventLoop::QEventLoop( QObject *parent, const char *name )
     : QObject( parent, name )
 {
 #if defined(QT_CHECK_STATE)
-    if ( QApplication::eventloop )
-	qFatal( "QEventLoop: there must be only one event loop object. \nConstruct it before QApplication." );
-    // for now ;)
+    if ( QApplication::currentEventLoop() )
+	qFatal( "QEventLoop: there must be only one event loop object per thread. \nIf this is supposed to be the main GUI event loop, construct it before QApplication." );
+    if (!QThread::currentThreadObject()) {
+	qFatal( "QEventLoop: this object can only be used in threads constructed via QThread." );
+    }
 #endif // QT_CHECK_STATE
 
     d = new QEventLoopPrivate;
 
     init();
+
+#ifdef QT_THREAD_SUPPORT
+    QThread* thread = QThread::currentThreadObject();
+    if (thread) {
+        if (thread->d) {
+            thread->d->eventLoop = this;
+        }
+    }
+#else
     QApplication::eventloop = this;
+#endif
 }
 
 /*!
@@ -118,7 +135,16 @@ QEventLoop::~QEventLoop()
 {
     cleanup();
     delete d;
+#ifdef QT_THREAD_SUPPORT
+    QThread* thread = QThread::currentThreadObject();
+    if (thread) {
+        if (thread->d) {
+            thread->d->eventLoop = 0;
+        }
+    }
+#else
     QApplication::eventloop = 0;
+#endif
 }
 
 /*!