Added shell of new osgUI::TabWidget class

git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14438 16af8721-9629-0410-8352-f15c8da7e697

src/osgUI/TabWidget.cpp

@@ -0,0 +1,88 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2014 Robert Osfield
+ *
+ * This library is open source and may be redistributed and/or modified under
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * OpenSceneGraph Public License for more details.
+*/
+
+
+#include <osgUI/TabWidget>
+#include <osgText/String>
+#include <osgText/Font>
+#include <osgText/Text>
+#include <osg/Notify>
+#include <osg/ValueObject>
+#include <osg/io_utils>
+
+using namespace osgUI;
+
+TabWidget::TabWidget():
+    _currentIndex(0)
+{
+}
+
+TabWidget::TabWidget(const osgUI::TabWidget& tabwidget, const osg::CopyOp& copyop):
+    Widget(tabwidget, copyop),
+    _tabs(tabwidget._tabs)
+{
+}
+
+bool TabWidget::handleImplementation(osgGA::EventVisitor* ev, osgGA::Event* event)
+{
+    // OSG_NOTICE<<"TabWidget::handleImplementation"<<std::endl;
+
+    return false;
+}
+
+void TabWidget::enterImplementation()
+{
+    OSG_NOTICE<<"TabWidget enter"<<std::endl;
+}
+
+
+void TabWidget::leaveImplementation()
+{
+    OSG_NOTICE<<"TabWidget leave"<<std::endl;
+}
+
+void TabWidget::setCurrentIndex(unsigned int i)
+{
+    // OSG_NOTICE << "TabWidget::setCurrentIndex("<<i<<")"<<std::endl;
+    if (_currentIndex==i) return;
+
+    _currentIndex = i;
+
+    currrentIndexChanged(_currentIndex);
+}
+
+void TabWidget::currrentIndexChanged(unsigned int i)
+{
+    osg::CallbackObject* co = getCallbackObject(this, "currentIndexChanged");
+    if (co)
+    {
+        osg::Parameters inputParameters, outputParameters;
+        inputParameters.push_back(new osg::UIntValueObject("index",i));
+        if (co->run(this, inputParameters, outputParameters))
+        {
+            return;
+        }
+    }
+    currentIndexChangedImplementation(i);
+}
+
+void TabWidget::currentIndexChangedImplementation(unsigned int i)
+{
+  OSG_NOTICE<<"TabWidget::currentIndexChangedImplementation("<<i<<")"<<std::endl;
+}
+
+
+
+void TabWidget::createGraphicsImplementation()
+{
+}