131 lines
3.9 KiB
C++
131 lines
3.9 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2014 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#include <osgUI/ComboBox>
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#include <osgText/String>
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#include <osgText/Font>
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#include <osgText/Text>
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#include <osg/Notify>
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#include <osg/io_utils>
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using namespace osgUI;
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ComboBox::ComboBox():
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_currentItem(0)
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{
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}
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ComboBox::ComboBox(const osgUI::ComboBox& combobox, const osg::CopyOp& copyop):
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Widget(combobox, copyop),
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_items(combobox._items)
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{
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}
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bool ComboBox::handleImplementation(osgGA::EventVisitor* ev, osgGA::Event* event)
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{
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// OSG_NOTICE<<"ComboBox::handleImplementation"<<std::endl;
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osgGA::GUIEventAdapter* ea = event->asGUIEventAdapter();
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if (!ea) return false;
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switch(ea->getEventType())
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{
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case(osgGA::GUIEventAdapter::SCROLL):
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if (ea->getScrollingMotion()==osgGA::GUIEventAdapter::SCROLL_DOWN)
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{
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if (getCurrentItem()<getNumItems()-1) setCurrentItem(getCurrentItem()+1);
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return true;
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}
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else if (ea->getScrollingMotion()==osgGA::GUIEventAdapter::SCROLL_UP)
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{
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if (getCurrentItem()>0) setCurrentItem(getCurrentItem()-1);
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return true;
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}
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break;
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case(osgGA::GUIEventAdapter::KEYDOWN):
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if (ea->getKey()==osgGA::GUIEventAdapter::KEY_Down)
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{
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if (getCurrentItem()<getNumItems()-1) setCurrentItem(getCurrentItem()+1);
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return true;
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}
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else if (ea->getKey()==osgGA::GUIEventAdapter::KEY_Up)
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{
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if (getCurrentItem()>0) setCurrentItem(getCurrentItem()-1);
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return true;
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}
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break;
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case(osgGA::GUIEventAdapter::PUSH):
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OSG_NOTICE<<"Button pressed "<<std::endl;
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break;
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case(osgGA::GUIEventAdapter::RELEASE):
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OSG_NOTICE<<"Button release "<<std::endl;
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break;
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default:
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break;
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}
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return false;
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}
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void ComboBox::enterImplementation()
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{
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OSG_NOTICE<<"ComboBox enter"<<std::endl;
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}
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void ComboBox::leaveImplementation()
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{
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OSG_NOTICE<<"ComboBox leave"<<std::endl;
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}
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void ComboBox::setCurrentItem(unsigned int i)
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{
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OSG_NOTICE << "ComboBox::setCurrentItem("<<i<<")"<<std::endl;
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_currentItem = i;
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if (_switch.valid()) _switch->setSingleChildOn(_currentItem);
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}
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void ComboBox::createGraphicsImplementation()
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{
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Style* style = (getStyle()!=0) ? getStyle() : Style::instance().get();
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_switch = new osg::Switch;
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if (!_items.empty())
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{
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for(Items::iterator itr = _items.begin();
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itr != _items.end();
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++itr)
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{
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Item* item = itr->get();
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OSG_NOTICE<<"Creating item "<<item->getText()<<", "<<item->getColor()<<std::endl;
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osg::ref_ptr<osg::Group> group = new osg::Group;
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if (item->getColor().a()!=0.0f) group->addChild( style->createPanel(_extents, item->getColor()) );
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if (!item->getText().empty()) group->addChild( style->createText(_extents, getAlignmentSettings(), getTextSettings(), item->getText()) );
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_switch->addChild(group.get());
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}
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}
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else
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{
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_switch->addChild( style->createPanel(_extents, osg::Vec4(1.0f,1.0f,1.0f,1.0f)) );
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}
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_switch->setSingleChildOn(_currentItem);
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style->setupClipStateSet(_extents, getOrCreateStateSet());
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setGraphicsSubgraph(_switch.get());
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}
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