OpenSceneGraph/src/osgUI/Dialog.cpp
2014-05-19 10:11:50 +00:00

105 lines
3.1 KiB
C++

/* -*-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) );
}
}