fakevim: re-use the undo/redo capability of QTextDocument instead of

rolling our own

This is reverting a previous decision and boils down to replacing one can of worms by another...

src/plugins/fakevim/fakevimhandler.h

@@ -73,10 +73,11 @@ signals:
     void indentRegion(int *amount, int beginLine, int endLine, QChar typedChar);
     void completionRequested();
 
+public:
+    class Private;
+
 private:
     bool eventFilter(QObject *ob, QEvent *ev);
-
-    class Private;
     friend class Private;
     Private *d;
 };

tests/manual/fakevim/main.cpp

@@ -119,6 +119,9 @@ int main(int argc, char *argv[])
         &proxy, SLOT(changeStatusData(QString)));
 
     theFakeVimSetting(ConfigUseFakeVim)->setValue(true);
+    theFakeVimSetting(ConfigShiftWidth)->setValue(8);
+    theFakeVimSetting(ConfigTabStop)->setValue(8);
+
     handler.installEventFilter();
     handler.setupWidget();
     if (args.size() >= 1)