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Added text input field to the osgkeyboard demo.

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This commit is contained in:
Robert Osfield 2003-03-25 12:44:50 +00:00
parent f2772debf4
commit 6b5d17a6d4
1 changed files with 99 additions and 38 deletions
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137
examples/osgkeyboard/osgkeyboard.cpp
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@ -28,7 +28,8 @@ protected:
~KeyboardModel() {} ~KeyboardModel() {}
void addKey(osg::Vec3& pos, int key,const std::string& text,float width, float height); osg::Switch* addKey(osg::Vec3& pos, int key,const std::string& text,float width, float height);
osg::Switch* addKey(int key,osg::Switch* sw);
void createKeyboard(); void createKeyboard();
@ -36,21 +37,50 @@ protected:
osg::ref_ptr<osg::Group> _scene; osg::ref_ptr<osg::Group> _scene;
KeyModelMap _keyModelMap; KeyModelMap _keyModelMap;
osg::ref_ptr<osgText::Text> _inputText;
}; };
void KeyboardModel::keyChange(int key,int value) void KeyboardModel::keyChange(int key,int value)
{ {
std::cout << std::hex << key << "\t"<< value << std::dec << std::endl; std::cout << "key value change, code="<<std::hex << key << "\t value="<< value << std::dec << std::endl;
// toggle the keys graphical representation on or off via osg::Swithc
KeyModelMap::iterator itr = _keyModelMap.find(key); KeyModelMap::iterator itr = _keyModelMap.find(key);
if (itr!=_keyModelMap.end()) if (itr!=_keyModelMap.end())
{ {
itr->second->setSingleChildOn(value); itr->second->setSingleChildOn(value);
} }
if (value)
{
// when a key is pressed add the new data to the text field
if (key>0 && key<256)
{
// just add ascii characters right now...
_inputText->getText().push_back(key);
_inputText->update();
}
else if (key==osgGA::GUIEventAdapter::KEY_Return)
{
_inputText->getText().push_back('\n');
_inputText->update();
}
else if (key==osgGA::GUIEventAdapter::KEY_BackSpace || key==osgGA::GUIEventAdapter::KEY_Delete)
{
if (!_inputText->getText().empty())
{
_inputText->getText().pop_back();
_inputText->update();
}
}
}
} }
void KeyboardModel::addKey(osg::Vec3& pos, int key,const std::string& text,float width, float height) osg::Switch* KeyboardModel::addKey(osg::Vec3& pos, int key,const std::string& text,float width, float height)
{ {
osg::Geode* geodeUp = new osg::Geode; osg::Geode* geodeUp = new osg::Geode;
@ -93,13 +123,22 @@ void KeyboardModel::addKey(osg::Vec3& pos, int key,const std::string& text,float
pos.x() += width; pos.x() += width;
return model;
}
osg::Switch* KeyboardModel::addKey(int key,osg::Switch* sw)
{
_keyModelMap[key] = sw;
return sw;
} }
void KeyboardModel::createKeyboard() void KeyboardModel::createKeyboard()
{ {
_scene = new osg::Group; _scene = new osg::Group;
osg::Vec3 pos(0.0f,0.0f,0.0f); osg::Vec3 origin(0.0f,0.0f,0.0f);
osg::Vec3 pos=origin;
addKey(pos,osgGA::GUIEventAdapter::KEY_Control_L,"Ctrl",2.0f,0.5f); addKey(pos,osgGA::GUIEventAdapter::KEY_Control_L,"Ctrl",2.0f,0.5f);
addKey(pos,osgGA::GUIEventAdapter::KEY_Super_L,"Super",2.0f,0.5f); addKey(pos,osgGA::GUIEventAdapter::KEY_Super_L,"Super",2.0f,0.5f);
@ -117,52 +156,52 @@ void KeyboardModel::createKeyboard()
addKey(pos,osgGA::GUIEventAdapter::KEY_Shift_L,"Shift",2.0f,0.5f); addKey(pos,osgGA::GUIEventAdapter::KEY_Shift_L,"Shift",2.0f,0.5f);
addKey(pos,'\\',"\\",1.0f,1.0f); addKey(pos,'\\',"\\",1.0f,1.0f);
addKey(pos,'z',"Z",1.0f,1.0f); addKey('Z',addKey(pos,'z',"Z",1.0f,1.0f));
addKey(pos,'x',"X",1.0f,1.0f); addKey('X',addKey(pos,'x',"X",1.0f,1.0f));
addKey(pos,'c',"C",1.0f,1.0f); addKey('C',addKey(pos,'c',"C",1.0f,1.0f));
addKey(pos,'v',"V",1.0f,1.0f); addKey('V',addKey(pos,'v',"V",1.0f,1.0f));
addKey(pos,'b',"B",1.0f,1.0f); addKey('B',addKey(pos,'b',"B",1.0f,1.0f));
addKey(pos,'n',"N",1.0f,1.0f); addKey('N',addKey(pos,'n',"N",1.0f,1.0f));
addKey(pos,'m',"M",1.0f,1.0f); addKey('M',addKey(pos,'m',"M",1.0f,1.0f));
addKey(pos,',',",",1.0f,1.0f); addKey('<',addKey(pos,',',",",1.0f,1.0f));
addKey(pos,'.',".",1.0f,1.0f); addKey('>',addKey(pos,'.',".",1.0f,1.0f));
addKey(pos,'/',"/",1.0f,1.0f); addKey('?',addKey(pos,'/',"/",1.0f,1.0f));
addKey(pos,osgGA::GUIEventAdapter::KEY_Shift_R,"Shift",2.0f,0.5f); addKey(pos,osgGA::GUIEventAdapter::KEY_Shift_R,"Shift",2.0f,0.5f);
pos.x() = 0.0f; pos.x() = 0.0f;
pos.z() += 1.0f; pos.z() += 1.0f;
addKey(pos,osgGA::GUIEventAdapter::KEY_Caps_Lock,"Caps",2.0f,0.5f); addKey(pos,osgGA::GUIEventAdapter::KEY_Caps_Lock,"Caps",2.0f,0.5f);
addKey(pos,'a',"A",1.0f,1.0f); addKey('A',addKey(pos,'a',"A",1.0f,1.0f));
addKey(pos,'s',"S",1.0f,1.0f); addKey('S',addKey(pos,'s',"S",1.0f,1.0f));
addKey(pos,'d',"D",1.0f,1.0f); addKey('D',addKey(pos,'d',"D",1.0f,1.0f));
addKey(pos,'f',"F",1.0f,1.0f); addKey('F',addKey(pos,'f',"F",1.0f,1.0f));
addKey(pos,'g',"G",1.0f,1.0f); addKey('G',addKey(pos,'g',"G",1.0f,1.0f));
addKey(pos,'h',"H",1.0f,1.0f); addKey('H',addKey(pos,'h',"H",1.0f,1.0f));
addKey(pos,'j',"J",1.0f,1.0f); addKey('J',addKey(pos,'j',"J",1.0f,1.0f));
addKey(pos,'k',"K",1.0f,1.0f); addKey('K',addKey(pos,'k',"K",1.0f,1.0f));
addKey(pos,'l',"L",1.0f,1.0f); addKey('L',addKey(pos,'l',"L",1.0f,1.0f));
addKey(pos,';',";",1.0f,1.0f); addKey(':',addKey(pos,';',";",1.0f,1.0f));
addKey(pos,'\'',"'",1.0f,1.0f); addKey('@',addKey(pos,'\'',"'",1.0f,1.0f));
addKey(pos,'#',"#",1.0f,1.0f); addKey('~',addKey(pos,'#',"#",1.0f,1.0f));
addKey(pos,osgGA::GUIEventAdapter::KEY_Return,"Return",4.0f,0.5f); addKey(pos,osgGA::GUIEventAdapter::KEY_Return,"Return",4.0f,0.5f);
pos.x() = 0.0f; pos.x() = 0.0f;
pos.z() += 1.0f; pos.z() += 1.0f;
addKey(pos,osgGA::GUIEventAdapter::KEY_Tab,"Tab",2.0f,0.5f); addKey(pos,osgGA::GUIEventAdapter::KEY_Tab,"Tab",2.0f,0.5f);
addKey(pos,'q',"Q",1.0f,1.0f); addKey('Q',addKey(pos,'q',"Q",1.0f,1.0f));
addKey(pos,'w',"W",1.0f,1.0f); addKey('W',addKey(pos,'w',"W",1.0f,1.0f));
addKey(pos,'e',"E",1.0f,1.0f); addKey('E',addKey(pos,'e',"E",1.0f,1.0f));
addKey(pos,'r',"R",1.0f,1.0f); addKey('R',addKey(pos,'r',"R",1.0f,1.0f));
addKey(pos,'t',"T",1.0f,1.0f); addKey('T',addKey(pos,'t',"T",1.0f,1.0f));
addKey(pos,'y',"Y",1.0f,1.0f); addKey('Y',addKey(pos,'y',"Y",1.0f,1.0f));
addKey(pos,'u',"U",1.0f,1.0f); addKey('U',addKey(pos,'u',"U",1.0f,1.0f));
addKey(pos,'i',"I",1.0f,1.0f); addKey('I',addKey(pos,'i',"I",1.0f,1.0f));
addKey(pos,'o',"O",1.0f,1.0f); addKey('O',addKey(pos,'o',"O",1.0f,1.0f));
addKey(pos,'p',"P",1.0f,1.0f); addKey('P',addKey(pos,'p',"P",1.0f,1.0f));
addKey(pos,'[',"[",1.0f,1.0f); addKey('{',addKey(pos,'[',"[",1.0f,1.0f));
addKey(pos,']',"]",1.0f,1.0f); addKey('}',addKey(pos,']',"]",1.0f,1.0f));
pos.x() = 0.0f; pos.x() = 0.0f;
pos.z() += 1.0f; pos.z() += 1.0f;
@ -270,6 +309,28 @@ void KeyboardModel::createKeyboard()
addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Divide,"/",1.0f,1.0f); addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Divide,"/",1.0f,1.0f);
addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Multiply,"*",1.0f,1.0f); addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Multiply,"*",1.0f,1.0f);
addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Subtract,"-",1.0f,1.0f); addKey(pos,osgGA::GUIEventAdapter::KEY_KP_Subtract,"-",1.0f,1.0f);
float totalWidth = pos.x()-origin.x();
pos = origin;
pos.z() += -1.5f;
osg::Geode* geodeInput = new osg::Geode;
{
_inputText = new osgText::Text;
_inputText->setFont("fonts/arial.ttf");
_inputText->setColor(osg::Vec4(1.0f,1.0f,0.0f,1.0f));
_inputText->setCharacterSize(1.0f);
_inputText->setMaximumWidth(totalWidth);
_inputText->setPosition(pos);
_inputText->setDrawMode(osgText::Text::TEXT/*||osgText::Text::BOUNDINGBOX*/);
_inputText->setAlignment(osgText::Text::BASE_LINE);
_inputText->setAxisAlignment(osgText::Text::XZ_PLANE);
_inputText->setText("Press some keys...");
geodeInput->addDrawable(_inputText.get());
_scene->addChild(geodeInput);
}
} }