ProjectLoader: Add eventLoopEnabled property

Author: adazem009

ScratchCPPGui/projectloader.cpp

@@ -198,7 +198,10 @@ void ProjectLoader::load()
 
     // Run event loop
     m_engine->setSpriteFencingEnabled(false);
-    m_eventLoop = QtConcurrent::run(&runEventLoop, m_engine);
+
+    if (m_eventLoopEnabled)
+        m_eventLoop = QtConcurrent::run(&runEventLoop, m_engine);
+
     m_engineMutex.unlock();
 
     emit loadStatusChanged();
@@ -353,3 +356,29 @@ void ProjectLoader::setSpriteFencing(bool newSpriteFencing)
     m_engineMutex.unlock();
     emit spriteFencingChanged();
 }
+
+bool ProjectLoader::eventLoopEnabled() const
+{
+    return m_eventLoopEnabled;
+}
+
+void ProjectLoader::setEventLoopEnabled(bool newEventLoopEnabled)
+{
+    if (m_eventLoopEnabled == newEventLoopEnabled)
+        return;
+
+    m_eventLoopEnabled = newEventLoopEnabled;
+    m_engineMutex.lock();
+
+    if (m_engine) {
+        if (m_eventLoopEnabled)
+            m_eventLoop = QtConcurrent::run(&runEventLoop, m_engine);
+        else {
+            m_engine->stopEventLoop();
+            m_eventLoop.waitForFinished();
+        }
+    }
+
+    m_engineMutex.unlock();
+    emit eventLoopEnabledChanged();
+}

ScratchCPPGui/projectloader.h

@@ -29,6 +29,7 @@ class ProjectLoader : public QObject
         Q_PROPERTY(unsigned int stageHeight READ stageHeight WRITE setStageHeight NOTIFY stageHeightChanged)
         Q_PROPERTY(int cloneLimit READ cloneLimit WRITE setCloneLimit NOTIFY cloneLimitChanged)
         Q_PROPERTY(bool spriteFencing READ spriteFencing WRITE setSpriteFencing NOTIFY spriteFencingChanged)
+        Q_PROPERTY(bool eventLoopEnabled READ eventLoopEnabled WRITE setEventLoopEnabled NOTIFY eventLoopEnabledChanged)
 
     public:
         explicit ProjectLoader(QObject *parent = nullptr);
@@ -69,6 +70,9 @@ class ProjectLoader : public QObject
         bool spriteFencing() const;
         void setSpriteFencing(bool newSpriteFencing);
 
+        bool eventLoopEnabled() const;
+        void setEventLoopEnabled(bool newEventLoopEnabled);
+
     signals:
         void fileNameChanged();
         void loadStatusChanged();
@@ -82,6 +86,7 @@ class ProjectLoader : public QObject
         void stageHeightChanged();
         void cloneLimitChanged();
         void spriteFencingChanged();
+        void eventLoopEnabledChanged();
 
     protected:
         void timerEvent(QTimerEvent *event) override;
@@ -108,6 +113,7 @@ class ProjectLoader : public QObject
         unsigned int m_stageHeight = 360;
         int m_cloneLimit = 300;
         bool m_spriteFencing = true;
+        bool m_eventLoopEnabled = true;
 };
 
 } // namespace scratchcppgui