OpenSceneGraph/examples/osgbrowser/osgbrowser.cpp
2008-11-18 17:20:45 +00:00

762 lines
26 KiB
C++

#include <osg/Image>
#include <osg/Geometry>
#include <osg/Texture2D>
#include <osg/io_utils>
#include <osg/GraphicsThread>
#include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers>
#include <osgGA/TrackballManipulator>
#include <osgDB/FileUtils>
#include <osgDB/FileNameUtils>
#include <osgDB/ReadFile>
#include <nsGUIEvent.h>
#include "llmozlib2.h"
class UBrowserImage;
#ifdef _WINDOWS
#include <windows.h>
#elif defined(__APPLE__)
#include <Carbon/Carbon.h>
#else
extern "C" {
#include <gtk/gtk.h>
}
#endif
//////////////////////////////////////////////////////////////////////////
//
// UBrowserManager interface
//
class UBrowserManager : public osg::Object
{
public:
static osg::ref_ptr<UBrowserManager>& instance();
void init(const std::string& application);
void* getNativeWindowHandle();
const std::string& getApplication() const { return _application; }
void registerUBrowserImage(UBrowserImage* image)
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_ubrowserImageListMutex);
_ubrowserImageList.push_back(image);
}
void unregisterUBrowserImage(UBrowserImage* image)
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_ubrowserImageListMutex);
UBrowserImageList::iterator itr = std::find(_ubrowserImageList.begin(), _ubrowserImageList.end(), image);
if (itr != _ubrowserImageList.end()) _ubrowserImageList.erase(itr);
}
void sendKeyEvent(UBrowserImage* image, int key, bool keyDown);
void sendPointerEvent(UBrowserImage* image, int x, int y, int buttonMask);
void navigateTo(UBrowserImage* image, const std::string& page);
typedef std::list< UBrowserImage* > UBrowserImageList;
OpenThreads::Mutex _ubrowserImageListMutex;
UBrowserImageList _ubrowserImageList;
protected:
UBrowserManager();
UBrowserManager(const UBrowserManager& rhs, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY) {}
virtual ~UBrowserManager();
META_Object(osgWidget,UBrowserManager)
void setUpKeyMap();
int convertToXULKey(int key) const;
bool _initialized;
bool _done;
std::string _application;
void* _nativeWindowHandle;
typedef std::map<int, int> KeyMap;
KeyMap _keyMap;
int _previousButtonMask;
osg::ref_ptr<osg::OperationThread> _thread;
};
////////////////////////////////////////////////////////////////////////////////////
//
// UBrowser interface
class UBrowserImage : public osg::Image, public LLEmbeddedBrowserWindowObserver
{
public:
UBrowserImage(const std::string& homeURL, int width, int height);
const std::string& getHomeURL() const { return _homeURL; }
virtual void sendPointerEvent(int x, int y, int buttonMask);
virtual void sendKeyEvent(int key, bool keyDown);
void navigateTo(const std::string& page);
////////////////////////////////////////////////////////////////////////////////
// virtual
void onPageChanged( const EventType& eventIn )
{
// flag that an update is required - page grab happens in idle() so we don't stall
osg::notify(osg::NOTICE) << "Event: onPageChanged " << eventIn.getEventUri() << std::endl;
_needsUpdate = true;
};
////////////////////////////////////////////////////////////////////////////////
// virtual
void onNavigateBegin( const EventType& eventIn )
{
osg::notify(osg::NOTICE) << "Event: begin navigation to " << eventIn.getEventUri() << std::endl;
};
////////////////////////////////////////////////////////////////////////////////
// virtual
void onNavigateComplete( const EventType& eventIn )
{
osg::notify(osg::NOTICE) << "Event: end navigation to " << eventIn.getEventUri() << " with response status of " << eventIn.getIntValue() << std::endl;
};
////////////////////////////////////////////////////////////////////////////////
// virtual
void onUpdateProgress( const EventType& eventIn )
{
osg::notify(osg::NOTICE) << "Event: progress value updated to " << eventIn.getIntValue() << std::endl;
};
////////////////////////////////////////////////////////////////////////////////
// virtual
void onStatusTextChange( const EventType& eventIn )
{
osg::notify(osg::NOTICE) << "Event: status updated to " << eventIn.getStringValue() << std::endl;
};
////////////////////////////////////////////////////////////////////////////////
// virtual
void onLocationChange( const EventType& eventIn )
{
osg::notify(osg::NOTICE) << "Event: location changed to " << eventIn.getStringValue() << std::endl;
};
////////////////////////////////////////////////////////////////////////////////
// virtual
void onClickLinkHref( const EventType& eventIn )
{
osg::notify(osg::NOTICE) << "Event: clicked on link to " << eventIn.getStringValue() << std::endl;
};
void setBrowserWindowId(int id) { _browserWindowId = id; }
int getBrowserWindowId() const { return _browserWindowId; }
protected:
virtual ~UBrowserImage();
int _browserWindowId;
bool _needsUpdate;
std::string _homeURL;
};
//////////////////////////////////////////////////////////////////////////
//
// UBrowserManager implementation
//
UBrowserManager::UBrowserManager():
_initialized(false),
_previousButtonMask(0)
{
}
UBrowserManager::~UBrowserManager()
{
_thread->setDone(true);
while(_thread->isRunning())
{
OpenThreads::Thread::YieldCurrentThread();
}
_thread = 0;
}
osg::ref_ptr<UBrowserManager>& UBrowserManager::instance()
{
static osg::ref_ptr<UBrowserManager> s_UBrowserManager = new UBrowserManager;
return s_UBrowserManager;
}
#if defined(_WINDOWS)
void* UBrowserManager::getNativeWindowHandle()
{
if (_nativeWindowHandle) return _nativeWindowHandle;
// My implementation of the embedded browser needs a native window handle
// Can't get this via GLUT so had to use this hack
_nativeWindowHandle = FindWindow( NULL, _appWindowName.c_str() );
return _nativeWindowHandle;
}
#elif defined(__APPLE__)
void* UBrowserManager::getNativeWindowHandle()
{
if (_nativeWindowHandle) return _nativeWindowHandle;
// Create a window just for this purpose.
Rect window_rect = {100, 100, 200, 200};
_nativeWindowHandle = (void*) NewCWindow(
NULL,
&window_rect,
"\p",
false, // Create the window invisible.
zoomDocProc, // Window with a grow box and a zoom box
kLastWindowOfClass, // create it behind other windows
false, // no close box
0);
}
return _nativeWindowHandle;
}
#else
void* UBrowserManager::getNativeWindowHandle()
{
if (_nativeWindowHandle) return _nativeWindowHandle;
gtk_disable_setlocale();
gtk_init(NULL, NULL);
GtkWidget *win = gtk_window_new(GTK_WINDOW_POPUP);
// Why a layout widget? A MozContainer would be ideal, but
// it involves exposing Mozilla headers to mozlib-using apps.
// A layout widget with a GtkWindow parent has the desired
// properties of being plain GTK, having a window, and being
// derived from a GtkContainer.
GtkWidget *rtnw = gtk_layout_new(NULL, NULL);
gtk_container_add(GTK_CONTAINER(win), rtnw);
gtk_widget_realize(rtnw);
GTK_WIDGET_UNSET_FLAGS(GTK_WIDGET(rtnw), GTK_NO_WINDOW);
_nativeWindowHandle = rtnw;
return _nativeWindowHandle;
}
#endif
struct InitOperation : public osg::Operation
{
InitOperation():
Operation("init",false) {}
/** Override the standard Operation operator and dynamic cast object to a GraphicsContext,
* on success call operation()(GraphicsContext*).*/
virtual void operator () (osg::Object* object)
{
UBrowserManager* ubrowserManager = dynamic_cast<UBrowserManager*>(object);
// create a single browser window and set things up.
std::string applicationDir = osgDB::getFilePath(ubrowserManager->getApplication());
if (applicationDir.empty()) applicationDir = osgDB::getRealPath(".");
else applicationDir = osgDB::getRealPath(applicationDir);
std::string componentDir = "/usr/lib/xulrunner";
std::string profileDir = applicationDir + "/" + "testGL_profile";
LLMozLib::getInstance()->init( applicationDir, componentDir, profileDir, ubrowserManager->getNativeWindowHandle() );
// append details to agent string
LLMozLib::getInstance()->setBrowserAgentId( ubrowserManager->getApplication() );
}
};
struct UpdateOperation : public osg::Operation
{
UpdateOperation():
osg::Operation("update",true) {}
virtual void operator () (osg::Object* object)
{
UBrowserManager* ubrowserManager = dynamic_cast<UBrowserManager*>(object);
// osg::notify(osg::NOTICE)<<"Update"<<std::endl;
if (ubrowserManager->_ubrowserImageList.empty())
{
// osg::notify(osg::NOTICE)<<"Nothing to do"<<std::endl;
OpenThreads::Thread::YieldCurrentThread();
return;
}
#if !defined(_WINDOWS) && !defined(__APPLE__)
// pump the GTK+Gecko event queue for a (limited) while. this should
// be done so that the Gecko event queue doesn't starve, and done
// *here* so that mNeedsUpdate[] can be populated by callbacks
// from Gecko.
gtk_main_iteration_do(0);
for (int iter=0; iter<10; ++iter)
{
if (gtk_events_pending())
gtk_main_iteration();
}
#endif
typedef std::list< osg::ref_ptr<UBrowserImage> > RefImageList;
RefImageList images;
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(ubrowserManager->_ubrowserImageListMutex);
std::copy(ubrowserManager->_ubrowserImageList.begin(),
ubrowserManager->_ubrowserImageList.end(),
std::back_inserter(images));
}
for(RefImageList::iterator itr = images.begin();
itr != images.end();
++itr)
{
update(itr->get());
}
// osg::notify(osg::NOTICE)<<"complted Update"<<std::endl;
}
void update(UBrowserImage* image)
{
if (!image) return;
int id = image->getBrowserWindowId();
if (id==0)
{
int width = image->s();
int height = image->t();
osg::notify(osg::INFO)<<"Constructing browser window for first time, width = "<<width<<" height = "<<height<<std::endl;
id = LLMozLib::getInstance()->createBrowserWindow( width, height );
image->setBrowserWindowId(id);
// tell LLMozLib about the size of the browser window
LLMozLib::getInstance()->setSize( id, width, height );
// observer events that LLMozLib emits
LLMozLib::getInstance()->addObserver( id, image );
// don't flip bitmap
LLMozLib::getInstance()->flipWindow( id, false );
LLMozLib::getInstance()->navigateTo( id, image->getHomeURL() );
}
//if ( _needsUpdate )
{
// grab a page but don't reset 'needs update' flag until we've written it to the texture in display()
LLMozLib::getInstance()->grabBrowserWindow( id );
int width = LLMozLib::getInstance()->getBrowserRowSpan( id ) / LLMozLib::getInstance()->getBrowserDepth( id );
int height = LLMozLib::getInstance()->getBrowserHeight( id );
GLint internalFormat = LLMozLib::getInstance()->getBrowserDepth( id ) == 3 ? GL_RGB : GL_RGBA;
GLenum pixelFormat = LLMozLib::getInstance()->getBrowserDepth( id ) == 3 ? GL_BGR_EXT : GL_BGRA_EXT;
image->setImage(width,height,1, internalFormat, pixelFormat, GL_UNSIGNED_BYTE,
(unsigned char*)LLMozLib::getInstance()->getBrowserWindowPixels( id ),
osg::Image::NO_DELETE);
// _needsUpdate = false;
}
}
};
void UBrowserManager::init(const std::string& application)
{
if (_initialized) return;
_application = application;
setUpKeyMap();
_thread = new osg::OperationThread;
_thread->setParent(this);
osg::ref_ptr<osg::BarrierOperation> barrier = new osg::BarrierOperation(2,osg::BarrierOperation::NO_OPERATION, false);
_thread->startThread();
_thread->add(new InitOperation());
_thread->add(barrier.get());
_thread->add(new UpdateOperation());
// wait till the init has been run.
barrier->block();
_initialized = true;
}
void UBrowserManager::setUpKeyMap()
{
_keyMap[osgGA::GUIEventAdapter::KEY_BackSpace] = nsIDOMKeyEvent::DOM_VK_BACK_SPACE;
_keyMap[osgGA::GUIEventAdapter::KEY_Tab] = nsIDOMKeyEvent::DOM_VK_TAB;
_keyMap[osgGA::GUIEventAdapter::KEY_Linefeed] = nsIDOMKeyEvent::DOM_VK_ENTER;
_keyMap[osgGA::GUIEventAdapter::KEY_Clear] = nsIDOMKeyEvent::DOM_VK_CLEAR;
_keyMap[osgGA::GUIEventAdapter::KEY_Return] = nsIDOMKeyEvent::DOM_VK_RETURN;
_keyMap[osgGA::GUIEventAdapter::KEY_Pause] = nsIDOMKeyEvent::DOM_VK_PAUSE;
_keyMap[osgGA::GUIEventAdapter::KEY_Scroll_Lock] = nsIDOMKeyEvent::DOM_VK_SCROLL_LOCK;
_keyMap[osgGA::GUIEventAdapter::KEY_Escape] = nsIDOMKeyEvent::DOM_VK_ESCAPE;
_keyMap[osgGA::GUIEventAdapter::KEY_Delete] = nsIDOMKeyEvent::DOM_VK_DELETE;
/* Cursor control & motion */
_keyMap[osgGA::GUIEventAdapter::KEY_Home] = nsIDOMKeyEvent::DOM_VK_HOME;
_keyMap[osgGA::GUIEventAdapter::KEY_Left] = nsIDOMKeyEvent::DOM_VK_LEFT;
_keyMap[osgGA::GUIEventAdapter::KEY_Up] = nsIDOMKeyEvent::DOM_VK_UP;
_keyMap[osgGA::GUIEventAdapter::KEY_Right] = nsIDOMKeyEvent::DOM_VK_RIGHT;
_keyMap[osgGA::GUIEventAdapter::KEY_Down] = nsIDOMKeyEvent::DOM_VK_DOWN;
_keyMap[osgGA::GUIEventAdapter::KEY_Page_Up] = nsIDOMKeyEvent::DOM_VK_PAGE_UP;
_keyMap[osgGA::GUIEventAdapter::KEY_Page_Down] = nsIDOMKeyEvent::DOM_VK_PAGE_DOWN;
_keyMap[osgGA::GUIEventAdapter::KEY_End] = nsIDOMKeyEvent::DOM_VK_END;
/* Misc Functions */
_keyMap[osgGA::GUIEventAdapter::KEY_Print] = nsIDOMKeyEvent::DOM_VK_PRINTSCREEN;
_keyMap[osgGA::GUIEventAdapter::KEY_Insert] = nsIDOMKeyEvent::DOM_VK_INSERT;
_keyMap[osgGA::GUIEventAdapter::KEY_Cancel] = nsIDOMKeyEvent::DOM_VK_CANCEL;
_keyMap[osgGA::GUIEventAdapter::KEY_Num_Lock] = nsIDOMKeyEvent::DOM_VK_NUM_LOCK;
/* Keypad Functions, keypad numbers cleverly chosen to map to ascii */
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Space] = nsIDOMKeyEvent::DOM_VK_SPACE;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Tab] = nsIDOMKeyEvent::DOM_VK_TAB;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Enter] = nsIDOMKeyEvent::DOM_VK_ENTER;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Home] = nsIDOMKeyEvent::DOM_VK_HOME;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Left] = nsIDOMKeyEvent::DOM_VK_LEFT;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Up] = nsIDOMKeyEvent::DOM_VK_UP;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Right] = nsIDOMKeyEvent::DOM_VK_RIGHT;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Down] = nsIDOMKeyEvent::DOM_VK_DOWN;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Page_Up] = nsIDOMKeyEvent::DOM_VK_PAGE_UP;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Page_Down] = nsIDOMKeyEvent::DOM_VK_PAGE_DOWN;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_End] = nsIDOMKeyEvent::DOM_VK_END;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Insert] = nsIDOMKeyEvent::DOM_VK_INSERT;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Delete] = nsIDOMKeyEvent::DOM_VK_DELETE;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Equal] = nsIDOMKeyEvent::DOM_VK_EQUALS;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Multiply] = nsIDOMKeyEvent::DOM_VK_MULTIPLY;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Add] = nsIDOMKeyEvent::DOM_VK_ADD;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Separator] = nsIDOMKeyEvent::DOM_VK_SEPARATOR;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Subtract] = nsIDOMKeyEvent::DOM_VK_SUBTRACT;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Decimal] = nsIDOMKeyEvent::DOM_VK_DECIMAL;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Divide] = nsIDOMKeyEvent::DOM_VK_DIVIDE;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_0] = nsIDOMKeyEvent::DOM_VK_NUMPAD0;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_1] = nsIDOMKeyEvent::DOM_VK_NUMPAD1;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_2] = nsIDOMKeyEvent::DOM_VK_NUMPAD2;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_3] = nsIDOMKeyEvent::DOM_VK_NUMPAD3;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_4] = nsIDOMKeyEvent::DOM_VK_NUMPAD4;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_5] = nsIDOMKeyEvent::DOM_VK_NUMPAD5;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_6] = nsIDOMKeyEvent::DOM_VK_NUMPAD6;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_7] = nsIDOMKeyEvent::DOM_VK_NUMPAD7;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_8] = nsIDOMKeyEvent::DOM_VK_NUMPAD8;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_9] = nsIDOMKeyEvent::DOM_VK_NUMPAD9;
/*
* Auxiliary Functions; note the duplicate definitions for left and right
* function keys; Sun keyboards and a few other manufactures have such
* function key groups on the left and/or right sides of the keyboard.
* We've not found a keyboard with more than 35 function keys total.
*/
_keyMap[osgGA::GUIEventAdapter::KEY_F1] = nsIDOMKeyEvent::DOM_VK_F1;
_keyMap[osgGA::GUIEventAdapter::KEY_F2] = nsIDOMKeyEvent::DOM_VK_F2;
_keyMap[osgGA::GUIEventAdapter::KEY_F3] = nsIDOMKeyEvent::DOM_VK_F3;
_keyMap[osgGA::GUIEventAdapter::KEY_F4] = nsIDOMKeyEvent::DOM_VK_F4;
_keyMap[osgGA::GUIEventAdapter::KEY_F5] = nsIDOMKeyEvent::DOM_VK_F5;
_keyMap[osgGA::GUIEventAdapter::KEY_F6] = nsIDOMKeyEvent::DOM_VK_F6;
_keyMap[osgGA::GUIEventAdapter::KEY_F7] = nsIDOMKeyEvent::DOM_VK_F7;
_keyMap[osgGA::GUIEventAdapter::KEY_F8] = nsIDOMKeyEvent::DOM_VK_F8;
_keyMap[osgGA::GUIEventAdapter::KEY_F9] = nsIDOMKeyEvent::DOM_VK_F9;
_keyMap[osgGA::GUIEventAdapter::KEY_F10] = nsIDOMKeyEvent::DOM_VK_F10;
_keyMap[osgGA::GUIEventAdapter::KEY_F11] = nsIDOMKeyEvent::DOM_VK_F12;
_keyMap[osgGA::GUIEventAdapter::KEY_F12] = nsIDOMKeyEvent::DOM_VK_F13;
_keyMap[osgGA::GUIEventAdapter::KEY_F13] = nsIDOMKeyEvent::DOM_VK_F13;
_keyMap[osgGA::GUIEventAdapter::KEY_F14] = nsIDOMKeyEvent::DOM_VK_F14;
_keyMap[osgGA::GUIEventAdapter::KEY_F15] = nsIDOMKeyEvent::DOM_VK_F15;
_keyMap[osgGA::GUIEventAdapter::KEY_F16] = nsIDOMKeyEvent::DOM_VK_F16;
_keyMap[osgGA::GUIEventAdapter::KEY_F17] = nsIDOMKeyEvent::DOM_VK_F17;
_keyMap[osgGA::GUIEventAdapter::KEY_F18] = nsIDOMKeyEvent::DOM_VK_F18;
_keyMap[osgGA::GUIEventAdapter::KEY_F19] = nsIDOMKeyEvent::DOM_VK_F19;
_keyMap[osgGA::GUIEventAdapter::KEY_F20] = nsIDOMKeyEvent::DOM_VK_F20;
_keyMap[osgGA::GUIEventAdapter::KEY_F21] = nsIDOMKeyEvent::DOM_VK_F21;
_keyMap[osgGA::GUIEventAdapter::KEY_F22] = nsIDOMKeyEvent::DOM_VK_F22;
_keyMap[osgGA::GUIEventAdapter::KEY_F23] = nsIDOMKeyEvent::DOM_VK_F23;
_keyMap[osgGA::GUIEventAdapter::KEY_F24] = nsIDOMKeyEvent::DOM_VK_F24;
/* Modifiers */
_keyMap[osgGA::GUIEventAdapter::KEY_Meta_L] = nsIDOMKeyEvent::DOM_VK_META;
_keyMap[osgGA::GUIEventAdapter::KEY_Meta_R] = nsIDOMKeyEvent::DOM_VK_META;
_keyMap[osgGA::GUIEventAdapter::KEY_Control_L] = nsIDOMKeyEvent::DOM_VK_CONTROL;
_keyMap[osgGA::GUIEventAdapter::KEY_Control_R] = nsIDOMKeyEvent::DOM_VK_CONTROL;
_keyMap[osgGA::GUIEventAdapter::KEY_Shift_L] = nsIDOMKeyEvent::DOM_VK_SHIFT;
_keyMap[osgGA::GUIEventAdapter::KEY_Shift_R] = nsIDOMKeyEvent::DOM_VK_SHIFT;
_keyMap[osgGA::GUIEventAdapter::KEY_Alt_R] = nsIDOMKeyEvent::DOM_VK_ALT;
_keyMap[osgGA::GUIEventAdapter::KEY_Alt_L] = nsIDOMKeyEvent::DOM_VK_ALT;
_keyMap[osgGA::GUIEventAdapter::KEY_Caps_Lock] = nsIDOMKeyEvent::DOM_VK_CAPS_LOCK;
}
int UBrowserManager::convertToXULKey(int key) const
{
KeyMap::const_iterator itr = _keyMap.find(key);
if (_keyMap.find(key)==_keyMap.end()) return key;
else return itr->second;
}
struct PointerEventOperation : public osg::Operation
{
PointerEventOperation(UBrowserImage* image, int x, int y, int buttonDelta):
osg::Operation("pointer event",false),
_image(image),
_x(x),
_y(y),
_buttonDelta(buttonDelta) {}
virtual void operator () (osg::Object* object)
{
int id = _image->getBrowserWindowId();
// send event to LLMozLib
if (_buttonDelta>0)
{
LLMozLib::getInstance()->mouseDown( id, _x, _y );
}
else if (_buttonDelta<0)
{
LLMozLib::getInstance()->mouseUp( id, _x, _y );
// this seems better than sending focus on mouse down (still need to improve this)
LLMozLib::getInstance()->focusBrowser( id, true );
}
else
{
// send event to LLMozLib
LLMozLib::getInstance()->mouseMove( id, _x, _y );
}
}
osg::ref_ptr<UBrowserImage> _image;
int _x;
int _y;
int _buttonDelta;
};
void UBrowserManager::sendPointerEvent(UBrowserImage* image, int x, int y, int buttonMask)
{
int deltaButton = (buttonMask&1) - (_previousButtonMask&1);
_previousButtonMask = buttonMask;
_thread->add(new PointerEventOperation(image, x, y, deltaButton));
}
struct KeyEventOperation : public osg::Operation
{
KeyEventOperation(UBrowserImage* image, int key, bool isUnicode):
osg::Operation("key event",false),
_image(image),
_key(key),
_isUnicode(isUnicode) {}
virtual void operator () (osg::Object* object)
{
int id = _image->getBrowserWindowId();
if (_isUnicode) LLMozLib::getInstance()->unicodeInput( id, _key );
else LLMozLib::getInstance()->keyPress( id, _key );
}
osg::ref_ptr<UBrowserImage> _image;
int _key;
bool _isUnicode;
};
void UBrowserManager::sendKeyEvent(UBrowserImage* image, int key, bool keyDown)
{
if (!keyDown) return;
KeyMap::const_iterator itr = _keyMap.find(key);
if (_keyMap.find(key)==_keyMap.end()) _thread->add(new KeyEventOperation(image, key, true));
else _thread->add(new KeyEventOperation(image, itr->second, false));
}
struct NavigateToOperation : public osg::Operation
{
NavigateToOperation(UBrowserImage* image, const std::string& url):
osg::Operation("key event",false),
_image(image),
_url(url) {}
virtual void operator () (osg::Object* object)
{
int id = _image->getBrowserWindowId();
LLMozLib::getInstance()->navigateTo( id, _url );
}
osg::ref_ptr<UBrowserImage> _image;
std::string _url;
};
void UBrowserManager::navigateTo(UBrowserImage* image, const std::string& url)
{
_thread->add(new NavigateToOperation(image, url));
}
////////////////////////////////////////////////////////////////////////////////////
//
// UBrowser implementation
UBrowserImage::UBrowserImage(const std::string& homeURL, int width, int height):
_browserWindowId(0),
_needsUpdate(true)
{
GLint internalFormat = GL_RGB;
GLenum pixelFormat = GL_BGR_EXT;
setImage(width,height,1, internalFormat, pixelFormat, GL_UNSIGNED_BYTE,
0,
osg::Image::NO_DELETE);
setDataVariance(osg::Object::DYNAMIC);
setOrigin(osg::Image::TOP_LEFT);
_homeURL = homeURL;
UBrowserManager::instance()->registerUBrowserImage(this);
}
UBrowserImage::~UBrowserImage()
{
UBrowserManager::instance()->unregisterUBrowserImage(this);
}
void UBrowserImage::sendPointerEvent(int x, int y, int buttonMask)
{
UBrowserManager::instance()->sendPointerEvent(this, x, y, buttonMask);
}
void UBrowserImage::sendKeyEvent(int key, bool keyDown)
{
UBrowserManager::instance()->sendKeyEvent(this, key, keyDown);
}
void UBrowserImage::navigateTo(const std::string& url)
{
UBrowserManager::instance()->navigateTo(this, url);
}
osg::Node* createInteractiveQuad(const osg::Vec3& origin, osg::Vec3& widthAxis, osg::Vec3& heightAxis,
osg::Image* image)
{
bool flip = image->getOrigin()==osg::Image::TOP_LEFT;
osg::Geometry* pictureQuad = osg::createTexturedQuadGeometry(origin, widthAxis, heightAxis,
0.0f, flip ? 1.0f : 0.0f , 1.0f, flip ? 0.0f : 1.0f);
osg::Texture2D* texture = new osg::Texture2D(image);
texture->setResizeNonPowerOfTwoHint(false);
texture->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR);
texture->setWrap(osg::Texture::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
texture->setWrap(osg::Texture::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
pictureQuad->getOrCreateStateSet()->setTextureAttributeAndModes(0,
texture,
osg::StateAttribute::ON);
pictureQuad->setEventCallback(new osgViewer::InteractiveImageHandler(image));
osg::Geode* geode = new osg::Geode;
geode->addDrawable(pictureQuad);
return geode;
}
int main( int argc, char* argv[] )
{
osg::ArgumentParser arguments(&argc, argv);
UBrowserManager::instance()->init(arguments[0]);
osgViewer::Viewer viewer(arguments);
typedef std::list< osg::ref_ptr<UBrowserImage> > Images;
Images images;
for(int i=1; i<arguments.argc(); ++i)
{
if (!arguments.isOption(i))
{
images.push_back(new UBrowserImage(arguments[i], 768, 1024));
}
}
bool xyPlane = false;
osg::Group* group = new osg::Group;
osg::Vec3 origin = osg::Vec3(0.0f,0.0f,0.0f);
for(Images::iterator itr = images.begin();
itr != images.end();
++itr)
{
osg::Image* image = itr->get();
float width = 1.0;
float height = float(image->t())/float(image->s());
osg::Vec3 widthAxis = osg::Vec3(width,0.0f,0.0f);
osg::Vec3 heightAxis = xyPlane ? osg::Vec3(0.0f,height,0.0f) : osg::Vec3(0.0f,0.0f,height);
group->addChild(createInteractiveQuad(origin, widthAxis, heightAxis, image));
origin += widthAxis*1.1f;
}
viewer.setSceneData(group);
viewer.addEventHandler(new osgViewer::StatsHandler);
return viewer.run();
}