Index: containments/desktop/plugins/folder/foldermodel.cpp
===================================================================
--- containments/desktop/plugins/folder/foldermodel.cpp
+++ containments/desktop/plugins/folder/foldermodel.cpp
@@ -266,7 +266,7 @@
 
 void FolderModel::newFileMenuItemCreated(const QUrl &url)
 {
-    if (m_usedByContainment) {
+    if (m_usedByContainment && !m_screenMapper->sharedDesktops()) {
         m_screenMapper->addMapping(url, m_screen, ScreenMapper::DelayedSignal);
         m_dropTargetPositions.insert(url.fileName(), m_menuPosition);
         m_menuPosition = {};
@@ -322,7 +322,7 @@
 
     emit iconNameChanged();
 
-    if (m_usedByContainment) {
+    if (m_usedByContainment && !m_screenMapper->sharedDesktops()) {
         m_screenMapper->removeScreen(m_screen, oldUrl);
         m_screenMapper->addScreen(m_screen, resolvedUrl());
     }
@@ -629,7 +629,7 @@
         return;
 
     m_screen = screen;
-    if (m_usedByContainment) {
+    if (m_usedByContainment && !m_screenMapper->sharedDesktops()) {
         m_screenMapper->addScreen(screen, resolvedUrl());
     }
     emit screenChanged();
@@ -1114,7 +1114,7 @@
     }
 
 
-    if (m_usedByContainment) {
+    if (m_usedByContainment && !m_screenMapper->sharedDesktops()) {
         if (isDropBetweenSharedViews(mimeData->urls(), dropTargetFolderUrl)) {
             setSortMode(-1);
             for (const auto &url : mimeData->urls()) {
@@ -1164,7 +1164,7 @@
             m_dropTargetPositions.insert(targetUrl.fileName(), dropPos);
             m_dropTargetPositionsCleanup->start();
 
-            if (m_usedByContainment) {
+            if (m_usedByContainment && !m_screenMapper->sharedDesktops()) {
                 // assign a screen for the item before the copy is actually done, so
                 // filterAcceptsRow doesn't assign the default screen to it
                 QUrl url = resolvedUrl();
@@ -1498,7 +1498,7 @@
     const KDirModel *dirModel = static_cast<KDirModel*>(sourceModel());
     const KFileItem item = dirModel->itemForIndex(dirModel->index(sourceRow, KDirModel::Name, sourceParent));
 
-    if (m_usedByContainment) {
+    if (m_usedByContainment && !m_screenMapper->sharedDesktops()) {
         const QUrl url = item.url();
         const int screen = m_screenMapper->screenForItem(url);
         // don't do anything if the folderview is not associated with a screen
Index: containments/desktop/plugins/folder/screenmapper.h
===================================================================
--- containments/desktop/plugins/folder/screenmapper.h
+++ containments/desktop/plugins/folder/screenmapper.h
@@ -60,6 +60,9 @@
     int firstAvailableScreen(const QUrl &screenUrl) const;
     void removeItemFromDisabledScreen(const QUrl &url);
 
+    bool sharedDesktops() const { return m_sharedDesktops; }
+    void setSharedDesktop(bool sharedDesktops);
+
 #ifdef BUILD_TESTING
     void cleanup();
 #endif
@@ -80,6 +83,7 @@
     QVector<int> m_availableScreens;
     Plasma::Corona *m_corona = nullptr;
     QTimer *m_screenMappingChangedTimer = nullptr;
+    bool m_sharedDesktops = false; // all screens share the same desktops, disabling the screen mapping
 };
 
 #endif // SCREENMAPPER_H
Index: containments/desktop/plugins/folder/screenmapper.cpp
===================================================================
--- containments/desktop/plugins/folder/screenmapper.cpp
+++ containments/desktop/plugins/folder/screenmapper.cpp
@@ -179,6 +179,19 @@
     }
 }
 
+void ScreenMapper::setSharedDesktop(bool sharedDesktops)
+{
+    if (m_sharedDesktops != sharedDesktops) {
+        m_sharedDesktops = true;
+        if (!m_corona)
+            return;
+
+        auto config = m_corona->config();
+        KConfigGroup group(config, QLatin1String("ScreenMapping"));
+        group.writeEntry(QLatin1String("sharedDesktops"), m_sharedDesktops);
+    }
+}
+
 #ifdef BUILD_TESTING
 void ScreenMapper::cleanup()
 {
@@ -208,6 +221,7 @@
             KConfigGroup group(config, QLatin1String("ScreenMapping"));
             const QStringList mapping = group.readEntry(QLatin1String("screenMapping"), QStringList{});
             setScreenMapping(mapping);
+            m_sharedDesktops = group.readEntry(QLatin1String("sharedDesktops"), false);
         }
     }
 }