FakeVim: Force leaving input mode when switching editors

Change-Id: I9c871cf7b0cba027b8a0ec201dd57f1039c9f4a5
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: David Schulz <david.schulz@qt.io>

src/plugins/coreplugin/editormanager/editormanager.cpp

@@ -1488,6 +1488,9 @@ void EditorManagerPrivate::setCurrentEditor(IEditor *editor, bool ignoreNavigati
 
     if (d->m_currentEditor == editor)
         return;
+
+    emit m_instance->currentEditorAboutToChange(d->m_currentEditor);
+
     if (d->m_currentEditor && !ignoreNavigationHistory)
         EditorManager::addCurrentPositionToNavigationHistory();
 

src/plugins/coreplugin/editormanager/editormanager.h

@@ -189,6 +189,7 @@ signals:
     void findOnFileSystemRequest(const QString &path);
     void aboutToSave(IDocument *document);
     void autoSaved();
+    void currentEditorAboutToChange(Core::IEditor *editor);
 
 public slots:
     static void saveDocument();

src/plugins/fakevim/fakevimhandler.cpp

@@ -8680,6 +8680,11 @@ void FakeVimHandler::handleInput(const QString &keys)
     d->leaveFakeVim();
 }
 
+void FakeVimHandler::enterCommandMode()
+{
+    d->enterCommandMode();
+}
+
 void FakeVimHandler::setCurrentFileName(const QString &fileName)
 {
     d->m_currentFileName = fileName;

src/plugins/fakevim/fakevimhandler.h

@@ -106,6 +106,7 @@ public:
     void handleCommand(const QString &cmd);
     void handleReplay(const QString &keys);
     void handleInput(const QString &keys);
+    void enterCommandMode();
 
     void installEventFilter();
 

src/plugins/fakevim/fakevimplugin.cpp

@@ -1035,6 +1035,7 @@ private:
     void onCoreAboutToClose();
     void editorOpened(Core::IEditor *);
     void editorAboutToClose(Core::IEditor *);
+    void currentEditorAboutToChange(Core::IEditor *);
 
     void allDocumentsRenamed(const QString &oldName, const QString &newName);
     void documentRenamed(Core::IDocument *document, const QString &oldName, const QString &newName);
@@ -1246,6 +1247,8 @@ bool FakeVimPluginPrivate::initialize()
             this, &FakeVimPluginPrivate::editorAboutToClose);
     connect(EditorManager::instance(), &EditorManager::editorOpened,
             this, &FakeVimPluginPrivate::editorOpened);
+    connect(EditorManager::instance(), &EditorManager::currentEditorAboutToChange,
+            this, &FakeVimPluginPrivate::currentEditorAboutToChange);
 
     connect(DocumentManager::instance(), &DocumentManager::allDocumentsRenamed,
             this, &FakeVimPluginPrivate::allDocumentsRenamed);
@@ -1841,6 +1844,12 @@ void FakeVimPluginPrivate::editorAboutToClose(IEditor *editor)
     m_editorToHandler.remove(editor);
 }
 
+void FakeVimPluginPrivate::currentEditorAboutToChange(IEditor *editor)
+{
+    if (FakeVimHandler *handler = m_editorToHandler.value(editor, 0))
+        handler->enterCommandMode();
+}
+
 void FakeVimPluginPrivate::allDocumentsRenamed(const QString &oldName, const QString &newName)
 {
     renameFileNameInEditors(oldName, newName);