+/*
+Program received signal SIGSEGV, Segmentation fault.
+0x080d0fd1 in PaintInterface::fillRect(int, int, int, int, Color const&) ()
+(gdb) bt
+#0 0x080d0fd1 in PaintInterface::fillRect(int, int, int, int, Color const&)
+ ()
+#1 0x080cf523 in PaintInterface::drawHandle(Vector const&, Color const&, int) ()
+#2 0x0822d7e0 in GraphicView::drawEntity(Entity*, double, bool) ()
+#3 0x0822d9a0 in GraphicView::deleteEntity(Entity*) ()
+#4 0x081334dc in ActionModifyEntity::trigger() ()
+#5 0x081336ef in ActionModifyEntity::mouseReleaseEvent(QMouseEvent*) ()
+#6 0x08089d2a in EventHandler::mouseReleaseEvent(QMouseEvent*) ()
+#7 0x0822a482 in GraphicView::mouseReleaseEvent(QMouseEvent*) ()
+#8 0x081eb00a in QG_GraphicView::mouseReleaseEvent(QMouseEvent*) ()
+#9 0xb77063c1 in QWidget::event(QEvent*) () from /usr/lib/qt4/libQtGui.so.4
+#10 0xb76a6b0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
+ from /usr/lib/qt4/libQtGui.so.4
+#11 0xb76ae24a in QApplication::notify(QObject*, QEvent*) ()
+ from /usr/lib/qt4/libQtGui.so.4
+#12 0xb7458882 in QCoreApplication::notifyInternal(QObject*, QEvent*) ()
+ from /usr/lib/qt4/libQtCore.so.4
+#13 0xb76acfa8 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) ()
+ from /usr/lib/qt4/libQtGui.so.4
+#14 0xb7739755 in ?? () from /usr/lib/qt4/libQtGui.so.4
+#15 0xb7738bac in QApplication::x11ProcessEvent(_XEvent*) ()
+ from /usr/lib/qt4/libQtGui.so.4
+#16 0xb7766064 in ?? () from /usr/lib/qt4/libQtGui.so.4
+#17 0xb720b654 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
+#18 0xb720f430 in ?? () from /usr/lib/libglib-2.0.so.0
+#19 0xb720f5d8 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
+#20 0xb7484ed5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/qt4/libQtCore.so.4
+#21 0xb7765b85 in ?? () from /usr/lib/qt4/libQtGui.so.4
+#22 0xb7456de9 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/qt4/libQtCore.so.4
+#23 0xb745724a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
+ from /usr/lib/qt4/libQtCore.so.4
+#24 0xb745c56f in QCoreApplication::exec() () from /usr/lib/qt4/libQtCore.so.4
+#25 0xb76a6ba7 in QApplication::exec() () from /usr/lib/qt4/libQtGui.so.4
+#26 0x082325e7 in main ()
+*/
+