logic: Fixed automatic update check only works on Qt thread

src/lib_gui/qt/network/QtRequest.cpp

@@ -8,7 +8,7 @@
 QtRequest::QtRequest()
 {
 	m_networkManager = new QNetworkAccessManager(this);
-	QObject::connect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(finished(QNetworkReply*)));
+	QObject::connect(m_networkManager, &QNetworkAccessManager::finished, this, &QtRequest::finished);
 }
 
 void QtRequest::sendRequest(QString url)

src/lib_gui/qt/network/QtUpdateChecker.cpp

@@ -53,6 +53,7 @@ void QtUpdateChecker::check(bool force)
 	urlString += ("&platform=" + platformString + "bit").c_str();
 
 	// version
+	// Version::setApplicationVersion(Version::fromString("2017.3.10")); // for debugging
 	urlString += ("&version=" + Version::getApplicationVersion().toDisplayString()).c_str();
 
 	// license
@@ -147,5 +148,10 @@ void QtUpdateChecker::check(bool force)
 
 void QtUpdateChecker::checkUpdate()
 {
-	check();
+	m_onQtThread(
+		[this]()
+		{
+			check();
+		}
+	);
 }

src/lib_gui/qt/network/QtUpdateChecker.h

@@ -1,6 +1,7 @@
 #ifndef QT_UPDATE_CHECKER_H
 #define QT_UPDATE_CHECKER_H
 
+#include "qt/utility/QtThreadedFunctor.h"
 #include "UpdateChecker.h"
 
 class QtUpdateChecker
@@ -10,6 +11,9 @@ public:
 	static void check(bool force = false);
 
 	virtual void checkUpdate() override;
+
+private:
+	QtThreadedLambdaFunctor m_onQtThread;
 };
 
 #endif // QT_UPDATE_CHECKER_H

src/lib_gui/qt/window/QtMainWindow.cpp

@@ -16,7 +16,6 @@
 #include "component/view/View.h"
 #include "data/bookmark/Bookmark.h"
 #include "LicenseChecker.h"
-#include "qt/network/QtUpdateChecker.h"
 #include "qt/utility/QtContextMenu.h"
 #include "qt/utility/utilityQt.h"
 #include "qt/view/QtViewWidgetWrapper.h"
@@ -360,7 +359,6 @@ void QtMainWindow::keyPressEvent(QKeyEvent* event)
 			break;
 
 		case Qt::Key_Space:
-			QtUpdateChecker::check();
 			PRINT_TRACES();
 			break;
 	}