Added text input field to the osgkeyboard demo.
This commit is contained in:
Robert Osfield
parent
f2772debf4
commit
6b5d17a6d4
@ -28,7 +28,8 @@ protected:
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~KeyboardModel() {}
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void addKey(osg::Vec3& pos, int key,const std::string& text,float width, float height);
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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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@ -36,21 +37,50 @@ protected:
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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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std::cout << std::hex << key << "\t"<< value << std::dec << std::endl;
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std::cout << "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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void KeyboardModel::addKey(osg::Vec3& pos, int key,const std::string& text,float width, float height)
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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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@ -93,13 +123,22 @@ void KeyboardModel::addKey(osg::Vec3& pos, int key,const std::string& text,float
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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 pos(0.0f,0.0f,0.0f);
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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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@ -117,52 +156,52 @@ void KeyboardModel::createKeyboard()
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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(pos,'z',"Z",1.0f,1.0f);
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addKey(pos,'x',"X",1.0f,1.0f);
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addKey(pos,'c',"C",1.0f,1.0f);
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addKey(pos,'v',"V",1.0f,1.0f);
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addKey(pos,'b',"B",1.0f,1.0f);
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addKey(pos,'n',"N",1.0f,1.0f);
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addKey(pos,'m',"M",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,'/',"/",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(pos,'a',"A",1.0f,1.0f);
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addKey(pos,'s',"S",1.0f,1.0f);
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addKey(pos,'d',"D",1.0f,1.0f);
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addKey(pos,'f',"F",1.0f,1.0f);
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addKey(pos,'g',"G",1.0f,1.0f);
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addKey(pos,'h',"H",1.0f,1.0f);
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addKey(pos,'j',"J",1.0f,1.0f);
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addKey(pos,'k',"K",1.0f,1.0f);
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addKey(pos,'l',"L",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,'#',"#",1.0f,1.0f);
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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(pos,'q',"Q",1.0f,1.0f);
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addKey(pos,'w',"W",1.0f,1.0f);
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addKey(pos,'e',"E",1.0f,1.0f);
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addKey(pos,'r',"R",1.0f,1.0f);
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addKey(pos,'t',"T",1.0f,1.0f);
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addKey(pos,'y',"Y",1.0f,1.0f);
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addKey(pos,'u',"U",1.0f,1.0f);
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addKey(pos,'i',"I",1.0f,1.0f);
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addKey(pos,'o',"O",1.0f,1.0f);
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addKey(pos,'p',"P",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('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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@ -270,6 +309,28 @@ void KeyboardModel::createKeyboard()
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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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