Add shell of Dialog class

include/osgUI/Dialog

@@ -0,0 +1,55 @@
+/* -*-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.
+*/
+
+#ifndef OSGUI_DIALOG
+#define OSGUI_DIALOG
+
+#include <osgUI/Widget>
+#include <osgText/Text>
+#include <osg/PositionAttitudeTransform>
+
+namespace osgUI
+{
+
+class OSGUI_EXPORT Dialog : public osgUI::Widget
+{
+public:
+    Dialog();
+    Dialog(const Dialog& dialog, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
+    META_Node(osgUI, Dialog);
+
+    void setTitle(const std::string& text) { _title = text; dirty(); }
+    std::string& getTitle() { return _title; }
+    const std::string& getTitle() const { return _title; }
+
+    void close();
+    void open();
+
+    bool handleImplementation(osgGA::EventVisitor* ev, osgGA::Event* event);
+
+    virtual void createGraphicsImplementation();
+
+protected:
+    virtual ~Dialog() {}
+
+    std::string                         _title;
+
+    osg::ref_ptr<osg::PositionAttitudeTransform> _transform;
+
+    // implementation detail
+    osg::ref_ptr<osgText::Text>         _titleDrawable;
+};
+
+}
+
+#endif

src/osgUI/CMakeLists.txt

@@ -12,6 +12,7 @@ SET(TARGET_H
     ${HEADER_PATH}/Widget
     ${HEADER_PATH}/Label
     ${HEADER_PATH}/LineEdit
+    ${HEADER_PATH}/Dialog
     ${HEADER_PATH}/PushButton
     ${HEADER_PATH}/ComboBox
     ${HEADER_PATH}/Style
@@ -24,6 +25,7 @@ SET(TARGET_SRC
     Widget.cpp
     Label.cpp
     LineEdit.cpp
+    Dialog.cpp
     PushButton.cpp
     ComboBox.cpp
     Style.cpp

src/osgUI/Dialog.cpp

@@ -0,0 +1,104 @@
+/* -*-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/Dialog>
+#include <osgText/String>
+#include <osgText/Font>
+#include <osgText/Text>
+#include <osg/Notify>
+
+using namespace osgUI;
+
+Dialog::Dialog()
+{
+}
+
+Dialog::Dialog(const osgUI::Dialog& dialog, const osg::CopyOp& copyop):
+    Widget(dialog, copyop),
+    _title(dialog._title)
+{
+}
+
+bool Dialog::handleImplementation(osgGA::EventVisitor* ev, osgGA::Event* event)
+{
+    OSG_NOTICE<<"Dialog::handleImplementation"<<std::endl;
+
+    osgGA::GUIEventAdapter* ea = event->asGUIEventAdapter();
+    if (!ea) return false;
+
+    switch(ea->getEventType())
+    {
+        case(osgGA::GUIEventAdapter::KEYDOWN):
+            OSG_NOTICE<<"Key pressed : "<<ea->getKey()<<std::endl;
+
+            if (ea->getKey()==osgGA::GUIEventAdapter::KEY_Escape)
+            {
+                close();
+                dirty();
+                return true;
+            }
+
+            break;
+        default:
+            break;
+    }
+
+    return false;
+}
+
+void Dialog::close()
+{
+    if (_transform.valid()) _transform->setNodeMask(0x0);
+}
+
+void Dialog::open()
+{
+    if (_transform.valid()) _transform->setNodeMask(0xffffffff);
+}
+
+void Dialog::createGraphicsImplementation()
+{
+
+    if (_titleDrawable.valid())
+    {
+        OSG_NOTICE<<"Dialog::createGraphicsImplementation() updating existing TextDrawable"<<std::endl;
+        _titleDrawable->setText(_title);
+        _graphicsInitialized = true;
+    }
+    else
+    {
+        OSG_NOTICE<<"Dialog::createGraphicsImplementation()"<<std::endl;
+
+        Widget::createGraphicsImplementation();
+
+        _transform = new osg::PositionAttitudeTransform;
+        addChild(_transform.get());
+
+        Style* style = (getStyle()!=0) ? getStyle() : Style::instance().get();
+
+        float titleHeight = 1.0;
+        osg::BoundingBox titleBarExents(_extents.xMin(), _extents.yMax(), _extents.zMin(), _extents.xMax(), _extents.yMax()+titleHeight, _extents.zMin());
+
+        osg::ref_ptr<Node> node = style->createText(titleBarExents, getAlignmentSettings(), getTextSettings(), _title);
+        _titleDrawable = dynamic_cast<osgText::Text*>(node.get());
+        _titleDrawable->setDataVariance(osg::Object::DYNAMIC);
+        _transform->addChild(_titleDrawable.get());
+
+        osg::Vec4 dialogBackgroundColor(0.8,0.8,0.8,1.0);
+        osg::Vec4 dialogTitleBackgroundColor(0.5,0.5,1.0,1.0);
+
+        _transform->addChild( style->createPanel(_extents, dialogBackgroundColor) );
+        _transform->addChild( style->createPanel(titleBarExents, dialogTitleBackgroundColor) );
+    }
+}

src/osgWrappers/serializers/osgUI/Dialog.cpp

@@ -0,0 +1,14 @@
+#include <osgUI/Dialog>
+#include <osg/ValueObject>
+#include <osgDB/ObjectWrapper>
+#include <osgDB/InputStream>
+#include <osgDB/OutputStream>
+
+
+REGISTER_OBJECT_WRAPPER( Dialog,
+                         new osgUI::Dialog,
+                         osgUI::Dialog,
+                         "osg::Object osg::Node osg::Group osgUI::Widget osgUI::Dialog" )
+{
+    ADD_STRING_SERIALIZER( Title, std::string());
+}