diff --git a/extras/Introjucer/Source/Project/jucer_ProjectInformationComponent.cpp b/extras/Introjucer/Source/Project/jucer_ProjectInformationComponent.cpp
index d6c91d3e4d..0481e82ef0 100644
--- a/extras/Introjucer/Source/Project/jucer_ProjectInformationComponent.cpp
+++ b/extras/Introjucer/Source/Project/jucer_ProjectInformationComponent.cpp
@@ -547,18 +547,23 @@ public:
             project.deleteExporter (name.getTrailingIntValue());
     }
 
+    static void newExporterMenuItemChosen (int resultCode, ProjectSettingsComponent* settingsComp)
+    {
+        if (resultCode > 0 && settingsComp != nullptr)
+            settingsComp->project.addNewExporter (ProjectExporter::getExporterNames() [resultCode - 1]);
+    }
+
     void createNewExporter (TextButton& button)
     {
-        StringArray exporters (ProjectExporter::getExporterNames());
         PopupMenu menu;
 
+        const StringArray exporters (ProjectExporter::getExporterNames());
+
         for (int i = 0; i < exporters.size(); ++i)
             menu.addItem (i + 1, "Create a new " + exporters[i] + " target");
 
-        const int r = menu.showAt (&button);
-
-        if (r > 0)
-            project.addNewExporter (exporters [r - 1]);
+        menu.showMenuAsync (PopupMenu::Options().withTargetComponent (&button),
+                            ModalCallbackFunction::forComponent (newExporterMenuItemChosen, this));
     }
 
     void createNewConfig()
diff --git a/extras/Introjucer/Source/Project/jucer_ProjectTreeViewBase.cpp b/extras/Introjucer/Source/Project/jucer_ProjectTreeViewBase.cpp
index 0d7cacbecc..9392781df2 100644
--- a/extras/Introjucer/Source/Project/jucer_ProjectTreeViewBase.cpp
+++ b/extras/Introjucer/Source/Project/jucer_ProjectTreeViewBase.cpp
@@ -436,18 +436,39 @@ void ProjectTreeViewBase::refreshSubItems()
     addSubItems();
 }
 
-void ProjectTreeViewBase::showMultiSelectionPopupMenu()
+static void treeViewMultiSelectItemChosen (int resultCode, ProjectTreeViewBase* item)
 {
-    PopupMenu m;
-    m.addItem (6, "Delete");
-
-    switch (m.show())
+    switch (resultCode)
     {
-        case 6:     deleteAllSelectedItems(); break;
+        case 1:     item->deleteAllSelectedItems(); break;
         default:    break;
     }
 }
 
+void ProjectTreeViewBase::showMultiSelectionPopupMenu()
+{
+    PopupMenu m;
+    m.addItem (1, "Delete");
+
+    m.showMenuAsync (PopupMenu::Options(),
+                     ModalCallbackFunction::create (treeViewMultiSelectItemChosen, this));
+}
+
+static void treeViewMenuItemChosen (int resultCode, ProjectTreeViewBase* item)
+{
+    item->handlePopupMenuResult (resultCode);
+}
+
+void ProjectTreeViewBase::launchPopupMenu (PopupMenu& m)
+{
+    m.showMenuAsync (PopupMenu::Options(),
+                     ModalCallbackFunction::create (treeViewMenuItemChosen, this));
+}
+
+void ProjectTreeViewBase::handlePopupMenuResult (int)
+{
+}
+
 void ProjectTreeViewBase::itemDoubleClicked (const MouseEvent& e)
 {
     invokeShowDocument();
diff --git a/extras/Introjucer/Source/Project/jucer_ProjectTreeViewBase.h b/extras/Introjucer/Source/Project/jucer_ProjectTreeViewBase.h
index 89b75c174d..538d299b75 100644
--- a/extras/Introjucer/Source/Project/jucer_ProjectTreeViewBase.h
+++ b/extras/Introjucer/Source/Project/jucer_ProjectTreeViewBase.h
@@ -65,6 +65,9 @@ public:
     virtual void addFiles (const StringArray& files, int insertIndex);
     virtual void moveSelectedItemsTo (OwnedArray <Project::Item>& selectedNodes, int insertIndex);
     virtual void showMultiSelectionPopupMenu();
+
+    void launchPopupMenu (PopupMenu&); // runs asynchronously, and produces a callback to handlePopupMenuResult().
+    virtual void handlePopupMenuResult (int resultCode);
     void invokeShowDocument();
 
     virtual ProjectTreeViewBase* findTreeViewItem (const Project::Item& itemToFind);
diff --git a/extras/Introjucer/Source/Project/jucer_TreeViewTypes.cpp b/extras/Introjucer/Source/Project/jucer_TreeViewTypes.cpp
index c7443f9a1a..d62a37fe6f 100644
--- a/extras/Introjucer/Source/Project/jucer_TreeViewTypes.cpp
+++ b/extras/Introjucer/Source/Project/jucer_TreeViewTypes.cpp
@@ -120,13 +120,17 @@ void GroupTreeViewItem::showPopupMenu()
     if (! isRoot())
         m.addItem (2, "Delete");
 
-    const int res = m.show();
-    switch (res)
+    launchPopupMenu (m);
+}
+
+void GroupTreeViewItem::handlePopupMenuResult (int resultCode)
+{
+    switch (resultCode)
     {
         case 1:     triggerAsyncRename (item); break;
         case 2:     deleteAllSelectedItems(); break;
         case 3:     item.sortAlphabetically (false); break;
-        default:    processCreateFileMenuItem (res); break;
+        default:    processCreateFileMenuItem (resultCode); break;
     }
 }
 
@@ -228,7 +232,7 @@ void SourceFileTreeViewItem::setName (const String& newName)
 ProjectTreeViewBase* SourceFileTreeViewItem::createSubItem (const Project::Item& child)
 {
     jassertfalse
-    return 0;
+    return nullptr;
 }
 
 void SourceFileTreeViewItem::showDocument()
@@ -242,10 +246,9 @@ void SourceFileTreeViewItem::showDocument()
 
 void SourceFileTreeViewItem::showPopupMenu()
 {
-    GroupTreeViewItem* parentGroup = dynamic_cast <GroupTreeViewItem*> (getParentProjectItem());
-
     PopupMenu m;
 
+    GroupTreeViewItem* parentGroup = dynamic_cast <GroupTreeViewItem*> (getParentProjectItem());
     if (parentGroup != nullptr)
     {
         parentGroup->addCreateFileMenuItems (m);
@@ -264,8 +267,14 @@ void SourceFileTreeViewItem::showPopupMenu()
     m.addSeparator();
     m.addItem (3, "Delete");
 
-    const int res = m.show();
-    switch (res)
+    launchPopupMenu (m);
+}
+
+void SourceFileTreeViewItem::handlePopupMenuResult (int resultCode)
+{
+    GroupTreeViewItem* parentGroup = dynamic_cast <GroupTreeViewItem*> (getParentProjectItem());
+
+    switch (resultCode)
     {
         case 1:     getFile().startAsProcess(); break;
         case 2:     revealInFinder(); break;
@@ -274,7 +283,7 @@ void SourceFileTreeViewItem::showPopupMenu()
 
         default:
             if (parentGroup != nullptr)
-                parentGroup->processCreateFileMenuItem (res);
+                parentGroup->processCreateFileMenuItem (resultCode);
 
             break;
     }
diff --git a/extras/Introjucer/Source/Project/jucer_TreeViewTypes.h b/extras/Introjucer/Source/Project/jucer_TreeViewTypes.h
index 183cae4a77..fc9da30293 100644
--- a/extras/Introjucer/Source/Project/jucer_TreeViewTypes.h
+++ b/extras/Introjucer/Source/Project/jucer_TreeViewTypes.h
@@ -42,6 +42,7 @@ public:
     void createLeftEdgeComponents (OwnedArray<Component>& components)           {}
     void showDocument();
     void showPopupMenu();
+    void handlePopupMenuResult (int resultCode);
     String getDisplayName() const;
     void setName (const String& newName);
 };
@@ -62,6 +63,7 @@ public:
     void createLeftEdgeComponents (OwnedArray<Component>& components)       {}
     void showDocument();
     void showPopupMenu();
+    void handlePopupMenuResult (int resultCode);
 
     void addFiles (const StringArray& files, int insertIndex);
     void addNewGroup();