show welcome view if last view closed

apps/lib/katemainwindow.cpp

@@ -180,12 +180,7 @@ KateMainWindow::KateMainWindow(KConfig *sconfig, const QString &sgroup)
     }
 
     // ensure we have the welcome view if no active view is there
-    // delay this after initialisation
-    QTimer::singleShot(0, this, [this]() {
-        if (activeView())
-            return;
-        addWidget(new KateWelcomeView(m_viewManager->activeViewSpace(), nullptr));
-    });
+    showWelcomeViewIfNeeded();
 }
 
 KateMainWindow::~KateMainWindow()
@@ -1500,3 +1495,13 @@ void KateMainWindow::addRecentOpenedFile(const QUrl &url)
     // to the global "Recent Document Menu", see bug 420504
     // KRecentDocument::add(url);
 }
+
+void KateMainWindow::showWelcomeViewIfNeeded()
+{
+    // delay the creation, e.g. used on startup
+    QTimer::singleShot(0, this, [this]() {
+        if (activeView())
+            return;
+        addWidget(new KateWelcomeView(m_viewManager->activeViewSpace(), nullptr));
+    });
+}

apps/lib/katemainwindow.h

@@ -138,6 +138,12 @@ public:
      */
     void saveOptions();
 
+    /**
+     * Trigger creation of welcome view via timer.
+     * Will do nothing if we have some view around when the timer triggers.
+     */
+    void showWelcomeViewIfNeeded();
+
 private:
     /**
      * Setup actions which pointers are needed already in setupMainWindow

apps/lib/kateviewmanager.cpp

@@ -1077,7 +1077,11 @@ void KateViewManager::onViewSpaceEmptied(KateViewSpace *vs)
     // got empty, remove it
     if (m_viewSpaceList.size() > 1) {
         removeViewSpace(vs);
+        return;
     }
+
+    // else we want to trigger showing of the welcome view
+    m_mainWindow->showWelcomeViewIfNeeded();
 }
 
 void KateViewManager::setShowUrlNavBar(bool show)