see #1998 : closing editor panel when user closes project panel, it seems gui crashes on mac only if editor panel is open at the time when user coses project panel

src/libgui/FWWindow.cpp

@@ -1321,16 +1321,20 @@ bool FWWindow::event(QEvent *event)
             ev->accept();
             return true;
         }
+
+        case CLOSE_EDITOR_PANEL_EVENT:
+        {
+            hideEditor();
+            ev->accept();
+            return true;
+        }
+
         }
 
         // dispatch event to all projectpanel windows
         foreach(QMdiSubWindow* sw, m_mainWindow->m_space->subWindowList())
             QCoreApplication::sendEvent(sw->widget(), event);
 
-        // QList<QMdiSubWindow*> subWindowList = m_mainWindow->m_space->subWindowList();
-        // for (int i = 0 ; i < subWindowList.size(); i++)
-        //     QCoreApplication::sendEvent(subWindowList[i]->widget(), event);
-
         event->accept();
         return true;
     }

src/libgui/FWWindow_editor.cpp

@@ -76,6 +76,10 @@ void FWWindow::editorPanelTabChanged(int idx)
     }
 }
 
+/*****************************************************************
+ * there are too many functions that open, close and hide editor panel.
+ * TODO: need to get rid of redundant ones
+ */
 void FWWindow::showEditor()
 {
     m_mainWindow->objectEditorStack->setCurrentIndex(oe->getCurrentDialogIndex());
@@ -93,6 +97,15 @@ void FWWindow::closeEditor()
     m_mainWindow->editorDockWidget->close(); // editor
 }
 
+void FWWindow::closeEditorPanel()
+{
+    m_mainWindow->editorDockWidget->hide(); // editor
+}
+
+void FWWindow::openEditorPanel()
+{
+}
+
 void FWWindow::openEditor(FWObject *obj)
 {
     attachEditorToProjectPanel(activeProject());
@@ -256,15 +269,6 @@ ObjectEditor::OptType FWWindow::getOpenedOptEditor()
     return oe->getOpenedOpt();
 }
 
-void FWWindow::closeEditorPanel()
-{
-    m_mainWindow->editorDockWidget->hide(); // editor
-}
-
-void FWWindow::openEditorPanel()
-{
-}
-
 void FWWindow::findObject(FWObject *o)
 {
     if (activeProject())

src/libgui/ProjectPanel.cpp

@@ -1058,11 +1058,6 @@ void ProjectPanel::hideEvent(QHideEvent *ev)
     if (fwbdebug) qDebug() << "ProjectPanel::hideEvent " << this
                            << "title " << mdiWindow->windowTitle();
 
-    disconnect(m_panel->treeDockWidget, SIGNAL(topLevelChanged(bool)),
-               this, SLOT(topLevelChangedForTreePanel(bool)));
-    disconnect(m_panel->treeDockWidget, SIGNAL(visibilityChanged(bool)),
-               this, SLOT(visibilityChangedForTreePanel(bool)));
-
     QWidget::hideEvent(ev);
 }
 
@@ -1077,11 +1072,18 @@ void ProjectPanel::closeEvent(QCloseEvent * ev)
         return;
     }
 
+    disconnect(m_panel->treeDockWidget, SIGNAL(topLevelChanged(bool)),
+               this, SLOT(topLevelChangedForTreePanel(bool)));
+    disconnect(m_panel->treeDockWidget, SIGNAL(visibilityChanged(bool)),
+               this, SLOT(visibilityChangedForTreePanel(bool)));
+
     saveState();
     fileClose();
 
     mw->updateWindowTitle();
 
+    QCoreApplication::postEvent(mw, new closeEditorPanelEvent());
+
     QTimer::singleShot( 0, mw, SLOT(projectWindowClosed()) );
 }
 

src/libgui/events.h

@@ -67,7 +67,8 @@ enum EVENT_CODES {
     OPEN_LIBRARY_FOR_OBJECT_EVENT,
     UPDATE_SUBWINDOW_TITLES_EVENT,
     UPDATE_GUI_STATE_EVENT,
-    EXPAND_OBJECT_IN_TREE
+    EXPAND_OBJECT_IN_TREE,
+    CLOSE_EDITOR_PANEL_EVENT ,
 };
 
 
@@ -373,7 +374,6 @@ public:
     {}
 };
 
-
 class expandObjectInTreeEvent : public fwbUpdateEvent {
 public:
     int parent_id;
@@ -384,4 +384,13 @@ public:
     {}
 };
 
+class closeEditorPanelEvent : public fwbUpdateEvent {
+public:
+    closeEditorPanelEvent() :
+    fwbUpdateEvent("", -1,
+                   QEvent::Type(QEvent::User + CLOSE_EDITOR_PANEL_EVENT),
+                   "closeEditorPanelEvent")
+    {}
+};
+
 #endif