FakeVim: Fix gt/gT/:tabnext/:tabprevious

The mapping was there, but not connected to the core actions.

Change-Id: I9faa1c47afe409caaa0462740a6865d99d959b44
Reviewed-by: Lukas Holecek <hluk@email.cz>
Reviewed-by: hjk <hjk@qt.io>

src/plugins/fakevim/fakevimhandler.cpp

@@ -2141,6 +2141,8 @@ public:
     bool handleExShiftCommand(const ExCommand &cmd);
     bool handleExSourceCommand(const ExCommand &cmd);
     bool handleExSubstituteCommand(const ExCommand &cmd);
+    bool handleExTabNextCommand(const ExCommand &cmd);
+    bool handleExTabPreviousCommand(const ExCommand &cmd);
     bool handleExWriteCommand(const ExCommand &cmd);
     bool handleExEchoCommand(const ExCommand &cmd);
 
@@ -5561,6 +5563,24 @@ bool FakeVimHandler::Private::handleExSubstituteCommand(const ExCommand &cmd)
     return true;
 }
 
+bool FakeVimHandler::Private::handleExTabNextCommand(const ExCommand &cmd)
+{
+    if (cmd.cmd != "tabnext" && cmd.cmd != "tabn")
+        return false;
+
+    emit q->tabNextRequested(q);
+    return true;
+}
+
+bool FakeVimHandler::Private::handleExTabPreviousCommand(const ExCommand &cmd)
+{
+    if (cmd.cmd != "tabprevious" && cmd.cmd != "tabp")
+        return false;
+
+    emit q->tabPreviousRequested(q);
+    return true;
+}
+
 bool FakeVimHandler::Private::handleExMapCommand(const ExCommand &cmd0) // :map
 {
     QByteArray modes;
@@ -6212,6 +6232,8 @@ bool FakeVimHandler::Private::handleExCommandHelper(ExCommand &cmd)
         || handleExShiftCommand(cmd)
         || handleExSourceCommand(cmd)
         || handleExSubstituteCommand(cmd)
+        || handleExTabNextCommand(cmd)
+        || handleExTabPreviousCommand(cmd)
         || handleExWriteCommand(cmd)
         || handleExEchoCommand(cmd);
 }

src/plugins/fakevim/fakevimhandler.h

@@ -157,6 +157,8 @@ signals:
     void fold(FakeVimHandler *self, int depth, bool fold);
     void foldGoTo(FakeVimHandler *self, int count, bool current);
     void jumpToGlobalMark(FakeVimHandler *handler, QChar mark, bool backTickMode, const QString &fileName);
+    void tabNextRequested(FakeVimHandler *self);
+    void tabPreviousRequested(FakeVimHandler *self);
 
 public:
     class Private;

src/plugins/fakevim/fakevimplugin.cpp

@@ -1802,6 +1802,11 @@ void FakeVimPluginPrivate::editorOpened(IEditor *editor)
     connect(ICore::instance(), &ICore::saveSettingsRequested,
             this, &FakeVimPluginPrivate::writeSettings);
 
+    connect(handler, &FakeVimHandler::tabNextRequested,
+            this, [this] { triggerAction(Core::Constants::GOTONEXTINHISTORY); });
+    connect(handler, &FakeVimHandler::tabPreviousRequested,
+            this, [this] { triggerAction(Core::Constants::GOTOPREVINHISTORY); });
+
     handler->setCurrentFileName(editor->document()->filePath().toString());
     handler->installEventFilter();