Add shell of Dialog class

2014-05-19 10:11:50 +00:00
parent 1b34fed500
commit 4ce2e075c4
4 changed files with 175 additions and 0 deletions
--- a/src/osgUI/Dialog.cpp
+++ b/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) );
+    }
+}