Memory leak. Quick stop creation a layout.

--HG--
branch : develop

src/libs/vlayout/vlayoutgenerator.cpp

@@ -34,6 +34,7 @@
 #include <QImage>
 #include <QDir>
 #include <QGraphicsItem>
+#include <QThreadPool>
 
 //---------------------------------------------------------------------------------------------------------------------
 VLayoutGenerator::VLayoutGenerator(QObject *parent)
@@ -183,6 +184,9 @@ void VLayoutGenerator::Abort()
 {
     stopGeneration = true;
     state = LayoutErrors::ProcessStoped;
+#if QT_VERSION >= QT_VERSION_CHECK(5, 2, 0)
+    QThreadPool::globalInstance()->clear();
+#endif
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/libs/vlayout/vlayoutpaper.cpp

@@ -183,13 +183,14 @@ bool VLayoutPaper::AddToSheet(const VLayoutDetail &detail, bool &stop)
 {
     VBestSquare bestResult;
     QThreadPool *thread_pool = QThreadPool::globalInstance();
+    thread_pool->setExpiryTimeout(1000);
     QVector<VPosition *> threads;
 
     for (int j=1; j <= d->globalContour.EdgesCount(); ++j)
     {
         for (int i=1; i<= detail.EdgesCount(); i++)
         {
-            QCoreApplication::processEvents();
+            //QCoreApplication::processEvents();
 
             VPosition *thread = new VPosition(d->globalContour, j, detail, i, &stop, d->rotate, d->rotationIncrease);
             //Info for debug
@@ -208,15 +209,14 @@ bool VLayoutPaper::AddToSheet(const VLayoutDetail &detail, bool &stop)
         }
     }
 
-    if (thread_pool->waitForDone() == false)
-    {
-        return false;
-    }
+    thread_pool->waitForDone();
 
     QCoreApplication::processEvents();
 
     if (stop)
     {
+        qDeleteAll(threads.begin(), threads.end());
+        threads.clear();
         return false;
     }
 

src/libs/vlayout/vposition.cpp

@@ -58,13 +58,13 @@ VPosition::VPosition(const VContour &gContour, int j, const VLayoutDetail &detai
 //---------------------------------------------------------------------------------------------------------------------
 void VPosition::run()
 {
-    QCoreApplication::processEvents();
-
     if (*stop)
     {
         return;
     }
 
+    QCoreApplication::processEvents();
+
     // We should use copy of the detail.
     VLayoutDetail workDetail = detail;