Unsaved changes bugfix, added close event for start window

src/Editor/CStartWindow.cpp

@@ -28,24 +28,29 @@ CStartWindow::~CStartWindow()
     delete mpModelEditor;
 }
 
+void CStartWindow::closeEvent(QCloseEvent *pEvent)
+{
+    if (mpWorldEditor->close())
+        qApp->quit();
+    else
+        pEvent->ignore();
+}
+
 void CStartWindow::on_actionOpen_MLVL_triggered()
 {
     QString WorldFile = QFileDialog::getOpenFileName(this, "Open MLVL", "", "Metroid Prime World (*.MLVL)");
     if (WorldFile.isEmpty()) return;
 
-    if (mpWorldEditor->CheckUnsavedChanges())
+    if (mpWorldEditor->close())
     {
         gResCache.SetFolder(TString(WorldFile.toStdString()).GetFileDirectory());
         mpWorld = gResCache.GetResource(WorldFile.toStdString());
-        mpWorldEditor->close();
-
         FillWorldUI();
     }
 }
 
 void CStartWindow::FillWorldUI()
 {
-
     CStringTable *pWorldName = mpWorld->GetWorldName();
     if (pWorldName)
     {

src/Editor/CStartWindow.h

@@ -26,6 +26,7 @@ class CStartWindow : public QMainWindow
 public:
     explicit CStartWindow(QWidget *parent = 0);
     ~CStartWindow();
+    void closeEvent(QCloseEvent *pEvent);
 
 private slots:
     void on_actionOpen_MLVL_triggered();

src/Editor/WorldEditor/CWorldEditor.cpp

@@ -93,6 +93,8 @@ void CWorldEditor::closeEvent(QCloseEvent *pEvent)
 
     if (ShouldClose)
     {
+        mUndoStack.clear();
+
         if (mpPoiDialog)
             mpPoiDialog->close();
     }