From 78125ea2f051107b84fdc0354acdedb7885308ee Mon Sep 17 00:00:00 2001
From: Timothy Pearson <kb9vqf@pearsoncomputing.net>
Date: Thu, 6 Dec 2012 16:47:27 -0600
Subject: Add real threading support, including per-thread event loops, to
 QThread

---
 src/kernel/qwidget.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/kernel/qwidget.cpp')

diff --git a/src/kernel/qwidget.cpp b/src/kernel/qwidget.cpp
index 704681d..5ad69a0 100644
--- a/src/kernel/qwidget.cpp
+++ b/src/kernel/qwidget.cpp
@@ -56,6 +56,9 @@
 #include "qstyle.h"
 #include "qmetaobject.h"
 #include "qguardedptr.h"
+#if defined(QT_THREAD_SUPPORT)
+#include "qthread.h"
+#endif
 #if defined(QT_ACCESSIBILITY_SUPPORT)
 #include "qaccessible.h"
 #endif
@@ -887,6 +890,12 @@ QWidget::QWidget( QWidget *parent, const char *name, WFlags f, NFlags n )
     }
 #endif
 
+#if defined(QT_THREAD_SUPPORT) && defined(QT_CHECK_STATE)
+    if (QThread::currentThreadObject() != QApplication::guiThread()) {
+	qFatal( "QWidget: Cannot create a QWidget outside of the main GUI thread" );
+    }
+#endif
+
     fstrut_dirty = 1;
 
     isWidget = TRUE;				// is a widget
-- 
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