fakevim: implement incremental backward search '?' using Find plugin

Merge-request: 97
Reviewed-by: hjk <qtc-committer@nokia.com>

src/plugins/find/findtoolbar.cpp

@@ -571,6 +571,12 @@ Core::FindToolBarPlaceHolder *FindToolBar::findToolBarPlaceHolder() const
 }
 
 void FindToolBar::openFind()
+{
+    setBackward(false);
+    openFindToolBar();
+}
+
+void FindToolBar::openFindToolBar()
 {
     if (!m_currentDocumentFind->candidateIsEnabled())
         return;
@@ -676,3 +682,8 @@ void FindToolBar::setRegularExpressions(bool regexp)
 {
     setFindFlag(IFindSupport::FindRegularExpression, regexp);
 }
+
+void FindToolBar::setBackward(bool backward)
+{
+    setFindFlag(IFindSupport::FindBackward, backward);
+}