23ae292fe2
git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14385 16af8721-9629-0410-8352-f15c8da7e697
124 lines
3.5 KiB
C++
124 lines
3.5 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/PushButton>
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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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using namespace osgUI;
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PushButton::PushButton()
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{
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}
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PushButton::PushButton(const osgUI::PushButton& pb, const osg::CopyOp& copyop):
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Widget(pb, copyop),
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_text(pb._text)
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{
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}
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bool PushButton::handleImplementation(osgGA::EventVisitor* ev, osgGA::Event* event)
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{
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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::PUSH):
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if (_buttonSwitch.valid())
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{
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pressed();
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}
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break;
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case(osgGA::GUIEventAdapter::RELEASE):
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if (_buttonSwitch.valid())
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{
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released();
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}
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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 PushButton::enterImplementation()
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{
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OSG_NOTICE<<"PushButton enter"<<std::endl;
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if (_buttonSwitch.valid()) _buttonSwitch->setSingleChildOn(1);
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}
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void PushButton::leaveImplementation()
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{
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OSG_NOTICE<<"PushButton leave"<<std::endl;
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if (_buttonSwitch.valid()) _buttonSwitch->setSingleChildOn(0);
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}
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void PushButton::createGraphicsImplementation()
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{
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osg::ref_ptr<osg::Group> group = new osg::Group;
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Style* style = (getStyle()!=0) ? getStyle() : Style::instance().get();
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float unFocused = 0.92;
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float withFocus = 0.97;
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osg::Vec4 frameColor(unFocused,unFocused,unFocused,1.0f);
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osg::BoundingBox extents(_extents);
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bool requiresFrame = (getFrameSettings() && getFrameSettings()->getShape()!=osgUI::FrameSettings::NO_FRAME);
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if (requiresFrame)
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{
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group->addChild(style->createFrame(_extents, getFrameSettings(), frameColor));
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extents.xMin() += getFrameSettings()->getLineWidth();
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extents.xMax() -= getFrameSettings()->getLineWidth();
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extents.yMin() += getFrameSettings()->getLineWidth();
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extents.yMax() -= getFrameSettings()->getLineWidth();
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}
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_buttonSwitch = new osg::Switch;
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_buttonSwitch->addChild(style->createPanel(extents, osg::Vec4(unFocused, unFocused,unFocused, 1.0)));
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_buttonSwitch->addChild(style->createPanel(extents, osg::Vec4(withFocus,withFocus,withFocus,1.0)));
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_buttonSwitch->setSingleChildOn(0);
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group->addChild(_buttonSwitch.get());
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// create label.
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osg::ref_ptr<Node> node = style->createText(extents, getAlignmentSettings(), getTextSettings(), _text);
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_textDrawable = dynamic_cast<osgText::Text*>(node.get());
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_textDrawable->setDataVariance(osg::Object::DYNAMIC);
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group->addChild(_textDrawable.get());
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style->setupClipStateSet(_extents, getOrCreateStateSet());
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setGraphicsSubgraph(0, group.get());
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}
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void PushButton::pressedImplementation()
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{
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_buttonSwitch->setSingleChildOn(2);
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}
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void PushButton::releasedImplementation()
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{
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_buttonSwitch->setSingleChildOn(1);
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}
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