456 lines
15 KiB
C++
456 lines
15 KiB
C++
#include <osgProducer/Viewer>
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#include <osg/io_utils>
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#include <osg/MatrixTransform>
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#include <osg/Geode>
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#include <osg/Group>
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#include <osg/Switch>
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#include <osg/Notify>
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#include <osg/Geometry>
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#include <osgText/Text>
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#include <osgDB/Registry>
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#include <osgDB/ReadFile>
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#include <osgDB/WriteFile>
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class KeyboardModel : public osg::Referenced
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{
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public:
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KeyboardModel() { createKeyboard(); }
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osg::Group* getScene() { return _scene.get(); }
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void keyChange(int key,int value);
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protected:
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~KeyboardModel() {}
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osg::Switch* addKey(osg::Vec3& pos, int key,const std::string& text,float width, float height);
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osg::Switch* addKey(int key,osg::Switch* sw);
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void createKeyboard();
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typedef std::map<int, osg::ref_ptr<osg::Switch> > KeyModelMap;
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osg::ref_ptr<osg::Group> _scene;
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KeyModelMap _keyModelMap;
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osg::ref_ptr<osgText::Text> _inputText;
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};
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void KeyboardModel::keyChange(int key,int value)
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{
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osg::notify(osg::INFO) << "key value change, code="<<std::hex << key << "\t value="<< value << std::dec << std::endl;
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// toggle the keys graphical representation on or off via osg::Swithc
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KeyModelMap::iterator itr = _keyModelMap.find(key);
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if (itr!=_keyModelMap.end())
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{
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itr->second->setSingleChildOn(value);
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}
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if (value)
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{
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// when a key is pressed add the new data to the text field
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if (key>0 && key<256)
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{
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// just add ascii characters right now...
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_inputText->getText().push_back(key);
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_inputText->update();
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}
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else if (key==osgGA::GUIEventAdapter::KEY_Return)
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{
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_inputText->getText().push_back('\n');
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_inputText->update();
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}
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else if (key==osgGA::GUIEventAdapter::KEY_BackSpace || key==osgGA::GUIEventAdapter::KEY_Delete)
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{
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if (!_inputText->getText().empty())
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{
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_inputText->getText().pop_back();
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_inputText->update();
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}
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}
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}
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}
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osg::Switch* KeyboardModel::addKey(osg::Vec3& pos, int key,const std::string& text,float width, float height)
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{
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osg::Geode* geodeUp = new osg::Geode;
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{
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osgText::Text* textUp = new osgText::Text;
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textUp->setFont("fonts/arial.ttf");
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textUp->setColor(osg::Vec4(1.0f,1.0f,1.0f,1.0f));
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textUp->setCharacterSize(height);
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textUp->setPosition(pos);
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textUp->setDrawMode(osgText::Text::TEXT/*|osgText::Text::BOUNDINGBOX*/);
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textUp->setAlignment(osgText::Text::LEFT_CENTER);
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textUp->setAxisAlignment(osgText::Text::XZ_PLANE);
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textUp->setText(text);
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geodeUp->addDrawable(textUp);
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}
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osg::Geode* geodeDown = new osg::Geode;
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{
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osgText::Text* textDown = new osgText::Text;
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textDown->setFont("fonts/arial.ttf");
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textDown->setColor(osg::Vec4(1.0f,0.0f,1.0f,1.0f));
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textDown->setCharacterSize(height);
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textDown->setPosition(pos);
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textDown->setDrawMode(osgText::Text::TEXT/*||osgText::Text::BOUNDINGBOX*/);
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textDown->setAlignment(osgText::Text::LEFT_CENTER);
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textDown->setAxisAlignment(osgText::Text::XZ_PLANE);
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textDown->setText(text);
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geodeDown->addDrawable(textDown);
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}
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osg::Switch* model = new osg::Switch;
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model->addChild(geodeUp,true);
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model->addChild(geodeDown,false);
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_scene->addChild(model);
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_keyModelMap[key] = model;
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pos.x() += width;
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return model;
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}
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osg::Switch* KeyboardModel::addKey(int key,osg::Switch* sw)
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{
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_keyModelMap[key] = sw;
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return sw;
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}
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void KeyboardModel::createKeyboard()
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{
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_scene = new osg::Group;
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osg::Vec3 origin(0.0f,0.0f,0.0f);
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osg::Vec3 pos=origin;
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addKey(pos,osgGA::GUIEventAdapter::KEY_Control_L,"Ctrl",2.0f,0.5f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_Super_L,"Super",2.0f,0.5f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_Alt_L,"Alt",2.0f,0.5f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_Space,"Space",3.0f,1.0f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_Mode_switch,"Switch",2.0f,0.5f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_Super_R,"Super",2.0f,0.5f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_Menu,"Menu",2.0f,0.5f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_Control_R,"Ctrl",2.0f,0.5f);
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osg::Vec3 middle(pos.x()+1.0f,0.0f,0.0f);
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pos.x() = 0.0f;
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pos.z() += 1.0f;
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addKey(pos,osgGA::GUIEventAdapter::KEY_Shift_L,"Shift",2.0f,0.5f);
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addKey(pos,'\\',"\\",1.0f,1.0f);
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addKey('Z',addKey(pos,'z',"Z",1.0f,1.0f));
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addKey('X',addKey(pos,'x',"X",1.0f,1.0f));
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addKey('C',addKey(pos,'c',"C",1.0f,1.0f));
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addKey('V',addKey(pos,'v',"V",1.0f,1.0f));
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addKey('B',addKey(pos,'b',"B",1.0f,1.0f));
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addKey('N',addKey(pos,'n',"N",1.0f,1.0f));
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addKey('M',addKey(pos,'m',"M",1.0f,1.0f));
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addKey('<',addKey(pos,',',",",1.0f,1.0f));
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addKey('>',addKey(pos,'.',".",1.0f,1.0f));
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addKey('?',addKey(pos,'/',"/",1.0f,1.0f));
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addKey(pos,osgGA::GUIEventAdapter::KEY_Shift_R,"Shift",2.0f,0.5f);
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pos.x() = 0.0f;
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pos.z() += 1.0f;
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addKey(pos,osgGA::GUIEventAdapter::KEY_Caps_Lock,"Caps",2.0f,0.5f);
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addKey('A',addKey(pos,'a',"A",1.0f,1.0f));
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addKey('S',addKey(pos,'s',"S",1.0f,1.0f));
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addKey('D',addKey(pos,'d',"D",1.0f,1.0f));
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addKey('F',addKey(pos,'f',"F",1.0f,1.0f));
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addKey('G',addKey(pos,'g',"G",1.0f,1.0f));
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addKey('H',addKey(pos,'h',"H",1.0f,1.0f));
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addKey('J',addKey(pos,'j',"J",1.0f,1.0f));
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addKey('K',addKey(pos,'k',"K",1.0f,1.0f));
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addKey('L',addKey(pos,'l',"L",1.0f,1.0f));
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addKey(':',addKey(pos,';',";",1.0f,1.0f));
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addKey('@',addKey(pos,'\'',"'",1.0f,1.0f));
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addKey('~',addKey(pos,'#',"#",1.0f,1.0f));
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addKey(pos,osgGA::GUIEventAdapter::KEY_Return,"Return",4.0f,0.5f);
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pos.x() = 0.0f;
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pos.z() += 1.0f;
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addKey(pos,osgGA::GUIEventAdapter::KEY_Tab,"Tab",2.0f,0.5f);
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addKey('Q',addKey(pos,'q',"Q",1.0f,1.0f));
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addKey('W',addKey(pos,'w',"W",1.0f,1.0f));
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addKey('E',addKey(pos,'e',"E",1.0f,1.0f));
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addKey('R',addKey(pos,'r',"R",1.0f,1.0f));
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addKey('T',addKey(pos,'t',"T",1.0f,1.0f));
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addKey('Y',addKey(pos,'y',"Y",1.0f,1.0f));
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addKey('U',addKey(pos,'u',"U",1.0f,1.0f));
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addKey('I',addKey(pos,'i',"I",1.0f,1.0f));
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addKey('O',addKey(pos,'o',"O",1.0f,1.0f));
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addKey('P',addKey(pos,'p',"P",1.0f,1.0f));
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addKey('{',addKey(pos,'[',"[",1.0f,1.0f));
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addKey('}',addKey(pos,']',"]",1.0f,1.0f));
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pos.x() = 0.0f;
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pos.z() += 1.0f;
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addKey(pos,'`',"`",1.0f,1.0f);
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addKey(pos,'1',"1",1.0f,1.0f);
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addKey(pos,'2',"2",1.0f,1.0f);
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addKey(pos,'3',"3",1.0f,1.0f);
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addKey(pos,'4',"4",1.0f,1.0f);
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addKey(pos,'5',"5",1.0f,1.0f);
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addKey(pos,'6',"6",1.0f,1.0f);
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addKey(pos,'7',"7",1.0f,1.0f);
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addKey(pos,'8',"8",1.0f,1.0f);
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addKey(pos,'9',"9",1.0f,1.0f);
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addKey(pos,'0',"0",1.0f,1.0f);
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addKey(pos,'-',"-",1.0f,1.0f);
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addKey(pos,'=',"=",1.0f,1.0f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_BackSpace,"Backspace",3.0f,0.5f);
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pos.x() = 0.0f;
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pos.z() += 1.5f;
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float F_height = 0.5f;
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addKey(pos,osgGA::GUIEventAdapter::KEY_Escape,"Esc",2.0f,F_height);
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addKey(pos,osgGA::GUIEventAdapter::KEY_F1,"F1",1.0f,F_height);
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addKey(pos,osgGA::GUIEventAdapter::KEY_F2,"F2",1.0f,F_height);
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addKey(pos,osgGA::GUIEventAdapter::KEY_F3,"F3",1.0f,F_height);
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addKey(pos,osgGA::GUIEventAdapter::KEY_F4,"F4",1.0f,F_height);
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addKey(pos,osgGA::GUIEventAdapter::KEY_F5,"F5",1.0f,F_height);
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addKey(pos,osgGA::GUIEventAdapter::KEY_F6,"F6",1.0f,F_height);
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addKey(pos,osgGA::GUIEventAdapter::KEY_F7,"F7",1.0f,F_height);
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addKey(pos,osgGA::GUIEventAdapter::KEY_F8,"F8",1.0f,F_height);
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addKey(pos,osgGA::GUIEventAdapter::KEY_F9,"F9",1.0f,F_height);
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addKey(pos,osgGA::GUIEventAdapter::KEY_F10,"F10",1.0f,F_height);
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addKey(pos,osgGA::GUIEventAdapter::KEY_F11,"F11",1.0f,F_height);
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addKey(pos,osgGA::GUIEventAdapter::KEY_F12,"F12",1.0f,F_height);
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float cursorMoveHeight=0.35f;
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pos = middle;
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addKey(pos,osgGA::GUIEventAdapter::KEY_Left,"Left",1.0f,cursorMoveHeight);
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osg::Vec3 down = pos;
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addKey(pos,osgGA::GUIEventAdapter::KEY_Down,"Down",1.0f,cursorMoveHeight);
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addKey(pos,osgGA::GUIEventAdapter::KEY_Right,"Right",1.0f,cursorMoveHeight);
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osg::Vec3 keypad = pos;
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keypad.x()+=1.0f;
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pos = down;
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pos.z() += 1.0f;
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addKey(pos,osgGA::GUIEventAdapter::KEY_Up,"Up",1.0f,cursorMoveHeight);
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float homeHeight = 0.35f;
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pos = middle;
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pos.z() += 3.0;
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addKey(pos,osgGA::GUIEventAdapter::KEY_Delete,"Delete",1.0f,homeHeight);
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addKey(pos,osgGA::GUIEventAdapter::KEY_End,"End",1.0f,homeHeight);
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addKey(pos,osgGA::GUIEventAdapter::KEY_Page_Down,"Page\nDown",1.0f,homeHeight);
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pos = middle;
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pos.z() += 4.0;
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addKey(pos,osgGA::GUIEventAdapter::KEY_Insert,"Insert",1.0f,homeHeight);
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addKey(pos,osgGA::GUIEventAdapter::KEY_Home,"Home",1.0f,homeHeight);
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addKey(pos,osgGA::GUIEventAdapter::KEY_Page_Up,"Page\nUp",1.0f,homeHeight);
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pos = middle;
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pos.z() += 5.5;
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addKey(pos,osgGA::GUIEventAdapter::KEY_Print,"PrtScrn\nSysRq",1.0f,homeHeight);
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addKey(pos,osgGA::GUIEventAdapter::KEY_Scroll_Lock,"ScrLk",1.0f,homeHeight);
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addKey(pos,osgGA::GUIEventAdapter::KEY_Pause,"Pause\nBreak",1.0f,homeHeight);
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pos = keypad;
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Insert,"0",2.0f,1.0f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Delete,".",1.0f,1.0f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Enter,"Enter",1.0f,homeHeight);
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pos = keypad;
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pos.z() += 1.0f;
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_End,"1",1.0f,1.0f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Down,"2",1.0f,1.0f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Page_Down,"3",1.0f,1.0f);
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pos = keypad;
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pos.z() += 2.0f;
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Left,"4",1.0f,1.0f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Begin,"5",1.0f,1.0f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Right,"6",1.0f,1.0f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Add,"+",1.0f,1.0f);
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pos = keypad;
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pos.z() += 3.0f;
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Home,"7",1.0f,1.0f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Up,"8",1.0f,1.0f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Page_Up,"9",1.0f,1.0f);
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pos = keypad;
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pos.z() += 4.0f;
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addKey(pos,osgGA::GUIEventAdapter::KEY_Num_Lock,"Num\nLock",1.0f,0.3f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Divide,"/",1.0f,1.0f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Multiply,"*",1.0f,1.0f);
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addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Subtract,"-",1.0f,1.0f);
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float totalWidth = pos.x()-origin.x();
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pos = origin;
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pos.z() += -1.5f;
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osg::Geode* geodeInput = new osg::Geode;
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{
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_inputText = new osgText::Text;
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_inputText->setFont("fonts/arial.ttf");
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_inputText->setColor(osg::Vec4(1.0f,1.0f,0.0f,1.0f));
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_inputText->setCharacterSize(1.0f);
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_inputText->setMaximumWidth(totalWidth);
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_inputText->setPosition(pos);
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_inputText->setDrawMode(osgText::Text::TEXT/*||osgText::Text::BOUNDINGBOX*/);
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_inputText->setAlignment(osgText::Text::BASE_LINE);
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_inputText->setAxisAlignment(osgText::Text::XZ_PLANE);
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_inputText->setText("Press some keys...");
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geodeInput->addDrawable(_inputText.get());
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_scene->addChild(geodeInput);
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}
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}
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class KeyboardEventHandler : public osgGA::GUIEventHandler
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{
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public:
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KeyboardEventHandler(KeyboardModel* keyboardModel):
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_keyboardModel(keyboardModel) {}
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virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter&)
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{
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switch(ea.getEventType())
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{
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case(osgGA::GUIEventAdapter::KEYDOWN):
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{
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_keyboardModel->keyChange(ea.getKey(),1);
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return true;
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}
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case(osgGA::GUIEventAdapter::KEYUP):
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{
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_keyboardModel->keyChange(ea.getKey(),0);
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return true;
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}
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default:
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return false;
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}
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}
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virtual void accept(osgGA::GUIEventHandlerVisitor& v)
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{
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v.visit(*this);
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}
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osg::ref_ptr<KeyboardModel> _keyboardModel;
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};
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int main( int argc, char **argv )
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{
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// use an ArgumentParser object to manage the program arguments.
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osg::ArgumentParser arguments(&argc,argv);
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// set up the usage document, in case we need to print out how to use this program.
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arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the example which demonstrates use of handling keyboard events and text.");
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arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
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arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
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arguments.getApplicationUsage()->addCommandLineOption("-c","Mannually create occluders");
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// initialize the viewer.
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osgProducer::Viewer viewer(arguments);
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// set up the value with sensible default event handlers.
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viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS);
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osg::ref_ptr<KeyboardModel> keyboardModel = new KeyboardModel;
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KeyboardEventHandler* keh = new KeyboardEventHandler(keyboardModel.get());
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viewer.getEventHandlerList().push_front(keh);
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// get details on keyboard and mouse bindings used by the viewer.
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viewer.getUsage(*arguments.getApplicationUsage());
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// if user request help write it out to cout.
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if (arguments.read("-h") || arguments.read("--help"))
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{
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arguments.getApplicationUsage()->write(std::cout);
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return 1;
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}
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// any option left unread are converted into errors to write out later.
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arguments.reportRemainingOptionsAsUnrecognized();
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|
|
// report any errors if they have occured when parsing the program aguments.
|
|
if (arguments.errors())
|
|
{
|
|
arguments.writeErrorMessages(std::cout);
|
|
return 1;
|
|
}
|
|
|
|
// attach the scene graph.
|
|
viewer.setSceneData( keyboardModel->getScene() );
|
|
|
|
//osgDB::writeNodeFile(*keyboardModel->getScene(),"test.osg");
|
|
|
|
// create the windows and run the threads.
|
|
viewer.realize();
|
|
|
|
|
|
while( !viewer.done() )
|
|
{
|
|
// wait for all cull and draw threads to complete.
|
|
viewer.sync();
|
|
|
|
// update the scene by traversing it with the the update visitor which will
|
|
// call all node update callbacks and animations.
|
|
viewer.update();
|
|
|
|
// fire off the cull and draw traversals of the scene.
|
|
viewer.frame();
|
|
|
|
}
|
|
|
|
// wait for all cull and draw threads to complete.
|
|
viewer.sync();
|
|
|
|
// run a clean up frame to delete all OpenGL objects.
|
|
viewer.cleanup_frame();
|
|
|
|
// wait for all the clean up frame to complete.
|
|
viewer.sync();
|
|
|
|
return 0;
|
|
}
|