Moved the implementation of GraphicsWindowX11 from the head into the src/osgViewer directory.
This commit is contained in:
Robert Osfield
parent
7772da71eb
commit
a56d273fe3
@ -25,7 +25,6 @@
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#if !defined(_WIN32)
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#include <osgViewer/GraphicsWindowX11>
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#include <osgViewer/Viewer>
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#include <osgGA/TrackballManipulator>
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@ -35,19 +34,6 @@ void renderCamera(osg::Camera* camera)
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osg::GraphicsContext* gc = camera->getGraphicsContext();
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if (!gc) return;
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#if 0
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osgViewer::GraphicsWindowX11* gwX11 = dynamic_cast<osgViewer::GraphicsWindowX11*>(gc);
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if (gwX11)
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{
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gwX11->checkEvents();
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osgGA::EventQueue::Events events;
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if (gwX11->getEventQueue()->takeEvents(events))
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{
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}
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}
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#endif
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osgUtil::SceneView* sceneView = dynamic_cast<osgUtil::SceneView*>(camera->getRenderingCache(0));
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if (!sceneView) return;
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@ -36,54 +36,6 @@
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namespace osgViewer
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{
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class GraphicsContextX11 : public osg::GraphicsContext
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{
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public:
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GraphicsContextX11(osg::GraphicsContext::Traits* traits):
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_display(0),
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_parent(0),
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_window(0)
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{
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_traits = traits;
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}
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/** Realise the GraphicsContext implementation,
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* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
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virtual bool realizeImplementation() { osg::notify(osg::NOTICE)<<"GraphicsWindow::realizeImplementation() not implemented."<<std::endl; return false; }
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/** Return true if the graphics context has been realised, and is ready to use, implementation.
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* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
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virtual bool isRealizedImplementation() const { osg::notify(osg::NOTICE)<<"GraphicsWindow::isRealizedImplementation() not implemented."<<std::endl; return false; }
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/** Close the graphics context implementation.
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* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
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virtual void closeImplementation() { osg::notify(osg::NOTICE)<<"GraphicsWindow::closeImplementation() not implemented."<<std::endl; }
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/** Make this graphics context current implementation.
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* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
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virtual void makeCurrentImplementation() { osg::notify(osg::NOTICE)<<"GraphicsWindow::makeCurrentImplementation() not implemented."<<std::endl; }
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/** Make this graphics context current with specified read context implementation.
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* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
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virtual void makeContextCurrentImplementation(GraphicsContext* /*readContext*/) { osg::notify(osg::NOTICE)<<"GraphicsWindow::makeContextCurrentImplementation(..) not implemented."<<std::endl; }
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/** Pure virtual, Bind the graphics context to associated texture implementation.
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* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
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virtual void bindPBufferToTextureImplementation(GLenum /*buffer*/) { osg::notify(osg::NOTICE)<<"GraphicsWindow::void bindPBufferToTextureImplementation(..) not implemented."<<std::endl; }
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/** Swap the front and back buffers implementation.
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* Pure virtual - must be implemented by Concrate implementations of GraphicsContext. */
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virtual void swapBuffersImplementation() { osg::notify(osg::NOTICE)<<"GraphicsWindow:: swapBuffersImplementation() not implemented."<<std::endl; }
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protected:
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Display* _display;
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Window _parent;
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Window _window;
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};
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class GraphicsWindowX11 : public osgViewer::GraphicsWindow
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{
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public:
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@ -155,631 +107,6 @@ class GraphicsWindowX11 : public osgViewer::GraphicsWindow
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bool _realized;
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};
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bool GraphicsWindowX11::createVisualInfo()
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{
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typedef std::vector<int> Attributes;
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Attributes attributes;
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attributes.push_back(GLX_USE_GL);
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attributes.push_back(GLX_RGBA);
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if (_traits->_doubleBuffer) attributes.push_back(GLX_DOUBLEBUFFER);
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if (_traits->_quadBufferStereo) attributes.push_back(GLX_STEREO);
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attributes.push_back(GLX_RED_SIZE); attributes.push_back(_traits->_red);
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attributes.push_back(GLX_GREEN_SIZE); attributes.push_back(_traits->_green);
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attributes.push_back(GLX_BLUE_SIZE); attributes.push_back(_traits->_blue);
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attributes.push_back(GLX_DEPTH_SIZE); attributes.push_back(_traits->_depth);
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if (_traits->_alpha) { attributes.push_back(GLX_ALPHA_SIZE); attributes.push_back(_traits->_alpha); }
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if (_traits->_stencil) { attributes.push_back(GLX_STENCIL_SIZE); attributes.push_back(_traits->_stencil); }
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// TODO
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// GLX_AUX_BUFFERS
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// GLX_ACCUM_RED_SIZE
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// GLX_ACCUM_GREEN_SIZE
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// GLX_SAMPLE_BUFFERS
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// GLX_SAMPLES
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attributes.push_back(None);
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_visualInfo = glXChooseVisual( _display, _traits->_screenNum, &(attributes.front()) );
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return _visualInfo != 0;
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}
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void GraphicsWindowX11::setWindowDecoration(bool flag)
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{
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Atom atom;
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if( (atom = XInternAtom( _display, "_MOTIF_WM_HINTS", 0 )) != None )
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{
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// Hack for sending 64 bit atom to Xserver
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#if defined( _MIPS_SIM) && (_MIPS_SIM == _MIPS_SIM_ABI64) || defined ( __ia64 ) || defined (__amd64 ) || defined(__x86_64__)
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struct {
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CARD32 flags0;
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CARD32 flags1;
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CARD32 functions0;
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CARD32 functions1;
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CARD32 decorations0;
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CARD32 decorations1;
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INT32 input_mode0;
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INT32 input_mode1;
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CARD32 status0;
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CARD32 status1;
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} wmHints;
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#if defined( __ia64 ) || defined (__amd64) || defined (__x86_64__)
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wmHints.flags0 = (1L << 1);
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wmHints.functions0 = 0;
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wmHints.decorations0 = flag;
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wmHints.input_mode0 = 0;
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#else
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wmHints.flags1 = (1L << 1);
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wmHints.functions1 = 0;
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wmHints.decorations1 = flag;
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wmHints.input_mode1 = 0;
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#endif
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#else
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struct {
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CARD32 flags;
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CARD32 functions;
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CARD32 decorations;
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INT32 input_mode;
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CARD32 status;
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} wmHints;
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wmHints.flags = (1L << 1);
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wmHints.functions = 0;
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wmHints.decorations = flag;
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wmHints.input_mode = 0;
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#endif
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XUnmapWindow(_display, _window );
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XChangeProperty( _display, _window, atom, atom, 32, PropModeReplace, (unsigned char *)&wmHints, 5 );
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XMapWindow(_display, _window );
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XFlush(_display);
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XSync(_display,0);
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#if 0
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// now update the window dimensions to account for any size changes made by the window manager,
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XGetWindowAttributes( _display, _window, &watt );
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_traits->_width = watt.width;
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_traits->_height = watt.height;
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#endif
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}
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else
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osg::notify(osg::NOTICE)<<"Error: GraphicsWindowX11::setBorder(" << flag << ") - couldn't change decorations." << std::endl;
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}
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void GraphicsWindowX11::init()
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{
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if (!_traits || _initialized) return;
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const char* displayString = _traits->_hostName.c_str();
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_display = XOpenDisplay(displayString);
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unsigned int screen = _traits->_screenNum;
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if (!_display)
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{
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osg::notify(osg::NOTICE)<<"Error: Unable to open display \"" << XDisplayName(displayString) << "\". Is the DISPLAY environmental variable set?"<<std::endl;
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return;
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}
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// Query for GLX extension
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int errorBase, eventBase;
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if( glXQueryExtension( _display, &errorBase, &eventBase) == False )
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{
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osg::notify(osg::NOTICE)<<"Error: " << XDisplayName(displayString) <<" has no GLX extension." << std::endl;
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XCloseDisplay( _display );
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_display = 0;
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return;
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}
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// osg::notify(osg::NOTICE)<<"GLX extension, errorBase="<<errorBase<<" eventBase="<<eventBase<<std::endl;
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if (!createVisualInfo())
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{
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osg::notify(osg::NOTICE)<<"Error: Not able to create requested visual." << std::endl;
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return;
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}
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// need to pick up from traits
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GLXContext sharedGLContext = 0;
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_glxContext = glXCreateContext( _display, _visualInfo, sharedGLContext, GL_TRUE );
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if (!_glxContext)
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{
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osg::notify(osg::NOTICE)<<"Error: Unable to create OpenGL graphics context."<<std::endl;
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return;
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}
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_parent = RootWindow( _display, screen );
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XWindowAttributes watt;
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XGetWindowAttributes( _display, _parent, &watt );
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// unsigned int parentWindowHeight = watt.height;
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osg::notify(osg::NOTICE)<<"First watt.x = "<<watt.x<<" watt.y="<<watt.y<<std::endl;
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XSetWindowAttributes swatt;
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swatt.colormap = XCreateColormap( _display, _parent, _visualInfo->visual, AllocNone);
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//swatt.colormap = DefaultColormap( _dpy, 10 );
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swatt.background_pixel = 0;
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swatt.border_pixel = 0;
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swatt.event_mask = 0;
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unsigned long mask = CWBackPixel | CWBorderPixel | CWEventMask | CWColormap;
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bool overrideRedirect = false;
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if (overrideRedirect)
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{
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swatt.override_redirect = true;
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mask |= CWOverrideRedirect;
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}
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_window = XCreateWindow( _display, _parent,
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_traits->_x,
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_traits->_y,
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_traits->_width, _traits->_height, 0,
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_visualInfo->depth, InputOutput,
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_visualInfo->visual, mask, &swatt );
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if (!_window)
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{
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osg::notify(osg::NOTICE)<<"Error: Unable to create Window."<<std::endl;
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return;
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}
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// This positions the window at _windowX, _windowY
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XSizeHints sh;
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sh.flags = 0;
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sh.flags |= USSize;
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sh.flags &= 0x7;
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sh.flags |= USPosition;
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sh.flags &= 0xB;
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sh.x = _traits->_x;
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sh.y = _traits->_y;
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sh.width = _traits->_width;
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sh.height = _traits->_height;
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XSetStandardProperties( _display, _window, _traits->_windowName.c_str(), _traits->_windowName.c_str(), None, 0, 0, &sh);
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#if 0
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setWindowDecoration(_traits->_windowDecoration);
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#else
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setWindowDecoration(true);
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#endif
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// Create default Cursor
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_defaultCursor = XCreateFontCursor( _display, XC_left_ptr );
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// Create Null Cursor
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{
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Pixmap pixmap;
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static char buff[2] = {0,0};
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static XColor ncol = {0,0,0,0,DoRed|DoGreen|DoBlue,0};
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pixmap = XCreateBitmapFromData( _display, _parent, buff, 1, 1);
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_nullCursor = XCreatePixmapCursor( _display, pixmap, pixmap, &ncol, &ncol, 0, 0 );
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}
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#if 1
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_currentCursor = _defaultCursor;
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#else
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_currentCursor = _nullCursor;
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#endif
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{
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XDefineCursor( _display, _window, _currentCursor );
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XFlush(_display);
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XSync(_display,0);
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}
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XSelectInput( _display, _window, ExposureMask | StructureNotifyMask |
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KeyPressMask | KeyReleaseMask |
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PointerMotionMask | ButtonPressMask | ButtonReleaseMask);
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XFlush( _display );
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XSync( _display, 0 );
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// now update the window dimensions to account for any size changes made by the window manager,
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XGetWindowAttributes( _display, _window, &watt );
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_traits->_width = watt.width;
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_traits->_height = watt.height;
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//osg::notify(osg::NOTICE)<<"After sync apply.x = "<<watt.x<<" watt.y="<<watt.y<<" width="<<watt.width<<" height="<<watt.height<<std::endl;
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_initialized = true;
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}
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bool GraphicsWindowX11::realizeImplementation()
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{
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if (_realized) return true;
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if (!_initialized) init();
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if (!_initialized) return false;
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XMapWindow( _display, _window );
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Window temp = _window;
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XSetWMColormapWindows( _display, _window, &temp, 1);
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makeCurrent();
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_realized = true;
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return true;
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}
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void GraphicsWindowX11::makeCurrentImplementation()
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{
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glXMakeCurrent( _display, _window, _glxContext );
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}
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void GraphicsWindowX11::closeImplementation()
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{
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//glXDestroyContext(_display, _glxContext );
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XDestroyWindow(_display, _window);
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XFlush( _display );
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XSync( _display,0 );
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_window = 0;
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_parent = 0;
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if(_visualInfo)
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{
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XFree(_visualInfo);
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_visualInfo = 0;
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}
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_initialized = false;
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_realized = false;
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}
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void GraphicsWindowX11::swapBuffersImplementation()
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{
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glXSwapBuffers(_display, _window);
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}
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void GraphicsWindowX11::checkEvents()
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{
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// osg::notify(osg::NOTICE)<<"Check events"<<std::endl;
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while( XPending(_display) )
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{
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XEvent ev;
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XNextEvent( _display, &ev );
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switch( ev.type )
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{
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case Expose :
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osg::notify(osg::NOTICE)<<"Expose x="<<ev.xexpose.x<<" y="<<ev.xexpose.y<<" width="<<ev.xexpose.width<<", height="<<ev.xexpose.height<<std::endl;
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break;
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case GravityNotify :
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osg::notify(osg::NOTICE)<<"GravityNotify"<<std::endl;
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break;
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case UnmapNotify :
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osg::notify(osg::NOTICE)<<"UnmapNotify"<<std::endl;
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break;
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case ReparentNotify:
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osg::notify(osg::NOTICE)<<"ReparentNotify"<<std::endl;
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break;
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case DestroyNotify :
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osg::notify(osg::NOTICE)<<"DestroyNotify"<<std::endl;
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_realized = false;
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break;
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case ConfigureNotify :
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{
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osg::notify(osg::NOTICE)<<"ConfigureNotify x="<<ev.xconfigure.x<<" y="<<ev.xconfigure.y<<" width="<<ev.xconfigure.width<<", height="<<ev.xconfigure.height<<std::endl;
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XWindowAttributes watt;
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XGetWindowAttributes( _display, _window, &watt );
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osg::notify(osg::NOTICE)<<"After sync apply.x = "<<watt.x<<" watt.y="<<watt.y<<" width="<<watt.width<<" height="<<watt.height<<std::endl;
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_traits->_x = ev.xconfigure.x;
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_traits->_y = ev.xconfigure.y;
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_traits->_width = ev.xconfigure.width;
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_traits->_height = ev.xconfigure.height;
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// need to dispatch resize event.
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break;
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}
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case MapNotify :
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{
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osg::notify(osg::NOTICE)<<"MapNotify"<<std::endl;
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XWindowAttributes watt;
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do
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XGetWindowAttributes(_display, _window, &watt );
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while( watt.map_state != IsViewable );
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osg::notify(osg::NOTICE)<<"MapNotify x="<<watt.x<<" y="<<watt.y<<" width="<<watt.width<<", height="<<watt.height<<std::endl;
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_traits->_width = watt.width;
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_traits->_height = watt.height;
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break;
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}
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case MotionNotify :
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{
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int wx, wy;
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Window win = 0L;
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if( ev.xmotion.same_screen )
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{
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wx = ev.xmotion.x;
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wy = ev.xmotion.y;
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}
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else
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{
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// the mouse in on another screen so need to compute the
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// coordinates of the mouse position relative to an absolute position
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// then take away the position of the original window/screen to get
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// the coordinates relative to the original position.
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Window root;
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int rx, ry;
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unsigned int buttons;
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int screenOrigin_x = 0;
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int screenOrigin_y = 0;
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int i;
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for(i= 0; i < ScreenCount(_display); i++ )
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{
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if( XQueryPointer( _display, RootWindow(_display, i),
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&root, &win, &rx, &ry, &wx, &wy, &buttons) )
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{
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break;
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}
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screenOrigin_x += DisplayWidth(_display, i);
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}
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for(i= 0; i < static_cast<int>(_traits->_screenNum); i++ )
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{
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screenOrigin_x -= DisplayWidth(_display, i);
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}
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int dest_x_return, dest_y_return;
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Window child_return;
|
||||
Bool result = XTranslateCoordinates(_display, _window, _parent, 0, 0, &dest_x_return, &dest_y_return, &child_return);
|
||||
|
||||
wx += (screenOrigin_x - dest_x_return);
|
||||
wy += (screenOrigin_y - dest_y_return);
|
||||
}
|
||||
|
||||
|
||||
float mx = wx;
|
||||
float my = wy;
|
||||
transformMouseXY(mx, my);
|
||||
getEventQueue()->mouseMotion(mx, my);
|
||||
|
||||
// osg::notify(osg::NOTICE)<<"MotionNotify wx="<<wx<<" wy="<<wy<<" mx="<<mx<<" my="<<my<<std::endl;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case ButtonPress :
|
||||
{
|
||||
if( ev.xbutton.button == Button4 )
|
||||
{
|
||||
getEventQueue()->mouseScroll(osgGA::GUIEventAdapter::SCROLL_UP);
|
||||
}
|
||||
else if( ev.xbutton.button == Button5)
|
||||
{
|
||||
getEventQueue()->mouseScroll(osgGA::GUIEventAdapter::SCROLL_DOWN);
|
||||
}
|
||||
else
|
||||
{
|
||||
float mx = ev.xbutton.x;
|
||||
float my = ev.xmotion.y;
|
||||
transformMouseXY(mx, my);
|
||||
getEventQueue()->mouseButtonPress(mx, my, ev.xbutton.button);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
case ButtonRelease :
|
||||
{
|
||||
if( ev.xbutton.button == Button4 )
|
||||
{
|
||||
getEventQueue()->mouseScroll(osgGA::GUIEventAdapter::SCROLL_UP);
|
||||
}
|
||||
else if( ev.xbutton.button == Button5)
|
||||
{
|
||||
getEventQueue()->mouseScroll(osgGA::GUIEventAdapter::SCROLL_DOWN);
|
||||
}
|
||||
else
|
||||
{
|
||||
float mx = ev.xbutton.x;
|
||||
float my = ev.xmotion.y;
|
||||
transformMouseXY(mx, my);
|
||||
getEventQueue()->mouseButtonRelease(mx, my, ev.xbutton.button);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
case KeyPress:
|
||||
{
|
||||
int keySymbol = 0;
|
||||
unsigned int modifierMask = 0;
|
||||
adaptKey(ev.xkey, keySymbol, modifierMask);
|
||||
|
||||
getEventQueue()->keyPress(keySymbol);
|
||||
getEventQueue()->getCurrentEventState()->setModKeyMask(modifierMask);
|
||||
break;
|
||||
}
|
||||
|
||||
case KeyRelease:
|
||||
{
|
||||
int keySymbol = 0;
|
||||
unsigned int modifierMask = 0;
|
||||
adaptKey(ev.xkey, keySymbol, modifierMask);
|
||||
|
||||
getEventQueue()->keyRelease(keySymbol);
|
||||
getEventQueue()->getCurrentEventState()->setModKeyMask(modifierMask);
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
osg::notify(osg::NOTICE)<<"Other event"<<std::endl;
|
||||
break;
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void GraphicsWindowX11::grabFocus()
|
||||
{
|
||||
XSetInputFocus( _display, _window, RevertToNone, CurrentTime );
|
||||
XFlush(_display); XSync(_display,0);
|
||||
}
|
||||
|
||||
void GraphicsWindowX11::grabFocusIfPointerInWindow()
|
||||
{
|
||||
Window win, root;
|
||||
int wx, wy, rx, ry;
|
||||
unsigned int buttons;
|
||||
|
||||
if( XQueryPointer( _display, _window,
|
||||
&root, &win, &rx, &ry, &wx, &wy, &buttons))
|
||||
{
|
||||
grabFocus();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void GraphicsWindowX11::transformMouseXY(float& x, float& y)
|
||||
{
|
||||
if (getEventQueue()->getUseFixedMouseInputRange())
|
||||
{
|
||||
osgGA::GUIEventAdapter* eventState = getEventQueue()->getCurrentEventState();
|
||||
x = eventState->getXmin() + (eventState->getXmax()-eventState->getXmin())*x/float(_traits->_width);
|
||||
y = eventState->getYmin() + (eventState->getYmax()-eventState->getYmin())*y/float(_traits->_height);
|
||||
}
|
||||
}
|
||||
|
||||
void GraphicsWindowX11::adaptKey(XKeyEvent& keyevent, int& keySymbol, unsigned int& modifierMask)
|
||||
{
|
||||
// KeySym ks = XKeycodeToKeysym( _display, keyevent.keycode, 0 );
|
||||
|
||||
static XComposeStatus state;
|
||||
unsigned char keybuf[32];
|
||||
XLookupString( &keyevent, (char *)keybuf, sizeof(keybuf), NULL, &state );
|
||||
|
||||
modifierMask = 0;
|
||||
if( keyevent.state & ShiftMask )
|
||||
{
|
||||
modifierMask |= osgGA::GUIEventAdapter::MODKEY_SHIFT;
|
||||
}
|
||||
if( keyevent.state & LockMask )
|
||||
{
|
||||
modifierMask |= osgGA::GUIEventAdapter::MODKEY_CAPS_LOCK;
|
||||
}
|
||||
if( keyevent.state & ControlMask )
|
||||
{
|
||||
modifierMask |= osgGA::GUIEventAdapter::MODKEY_CTRL;
|
||||
}
|
||||
if( keyevent.state & Mod1Mask )
|
||||
{
|
||||
modifierMask |= osgGA::GUIEventAdapter::MODKEY_ALT;
|
||||
}
|
||||
if( keyevent.state & Mod2Mask )
|
||||
{
|
||||
modifierMask |= osgGA::GUIEventAdapter::MODKEY_NUM_LOCK;
|
||||
}
|
||||
if( keyevent.state & Mod4Mask )
|
||||
{
|
||||
modifierMask |= osgGA::GUIEventAdapter::MODKEY_META;
|
||||
}
|
||||
|
||||
keySymbol = keybuf[0];
|
||||
}
|
||||
|
||||
struct X11WindowingSystemInterface : public osg::GraphicsContext::WindowingSystemInterface
|
||||
{
|
||||
|
||||
X11WindowingSystemInterface()
|
||||
{
|
||||
}
|
||||
|
||||
virtual unsigned int getNumScreens(const osg::GraphicsContext::ScreenIdentifier& si)
|
||||
{
|
||||
const char* displayString = si._hostName.c_str();
|
||||
Display* display = XOpenDisplay(displayString);
|
||||
if(display)
|
||||
{
|
||||
unsigned int numScreens = ScreenCount(display);
|
||||
XCloseDisplay(display);
|
||||
|
||||
return numScreens;
|
||||
}
|
||||
else
|
||||
{
|
||||
osg::notify(osg::NOTICE) << "Unable to open display \"" << XDisplayName(displayString) << "\". Is the DISPLAY environmental variable set?"<<std::endl;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
virtual void getScreenResolution(const osg::GraphicsContext::ScreenIdentifier& si, unsigned int& width, unsigned int& height)
|
||||
{
|
||||
const char* displayString = si._hostName.c_str();
|
||||
Display* display = XOpenDisplay(displayString);
|
||||
if(display)
|
||||
{
|
||||
width = DisplayWidth(display, si._screenNum);
|
||||
height = DisplayHeight(display, si._screenNum);
|
||||
XCloseDisplay(display);
|
||||
}
|
||||
else
|
||||
{
|
||||
osg::notify(osg::NOTICE) << "Unable to open display \"" << XDisplayName(displayString) << "\". Is the DISPLAY environmental variable set?"<<std::endl;
|
||||
width = 0;
|
||||
height = 0;
|
||||
}
|
||||
}
|
||||
|
||||
virtual osg::GraphicsContext* createGraphicsContext(osg::GraphicsContext::Traits* traits)
|
||||
{
|
||||
if (traits->_pbuffer)
|
||||
{
|
||||
return new GraphicsContextX11(traits);
|
||||
}
|
||||
else
|
||||
{
|
||||
return new GraphicsWindowX11(traits);
|
||||
}
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
struct RegisterWindowingSystemInterfaceProxy
|
||||
{
|
||||
RegisterWindowingSystemInterfaceProxy()
|
||||
{
|
||||
osg::GraphicsContext::setWindowingSystemInterface(new X11WindowingSystemInterface);
|
||||
}
|
||||
|
||||
~RegisterWindowingSystemInterfaceProxy()
|
||||
{
|
||||
osg::GraphicsContext::setWindowingSystemInterface(0);
|
||||
}
|
||||
};
|
||||
|
||||
RegisterWindowingSystemInterfaceProxy createWindowingSystemInterfaceProxy;
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
@ -10,6 +10,10 @@ CXXFILES = \
|
||||
CompositeViewer.cpp\
|
||||
Version.cpp\
|
||||
|
||||
|
||||
CXXFILES += GraphicsWindowX11.cpp\
|
||||
|
||||
|
||||
DEF += -DOSGVIEWER_LIBRARY
|
||||
|
||||
LIBS += -losgGA -losgDB -losgUtil -losg $(GL_LIBS) $(OTHER_LIBS)
|
||||
|
||||
694
src/osgViewer/GraphicsWindowX11.cpp
Normal file
694
src/osgViewer/GraphicsWindowX11.cpp
Normal file
@ -0,0 +1,694 @@
|
||||
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
|
||||
*
|
||||
* This library is open source and may be redistributed and/or modified under
|
||||
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
|
||||
* (at your option) any later version. The full license is in LICENSE file
|
||||
* included with this distribution, and on the openscenegraph.org website.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* OpenSceneGraph Public License for more details.
|
||||
*/
|
||||
|
||||
/* Note, elements of GraphicsWindowX11 have used Prodcer/RenderSurface_X11.cpp as both
|
||||
* a guide to use of X11/GLX and copiying directly in the case of setBorder().
|
||||
* These elements are license under OSGPL as above, with Copyright (C) 2001-2004 Don Burns.
|
||||
*/
|
||||
|
||||
#include <osgViewer/GraphicsWindowX11>
|
||||
|
||||
using namespace osgViewer;
|
||||
|
||||
class GraphicsContextX11 : public osg::GraphicsContext
|
||||
{
|
||||
public:
|
||||
|
||||
GraphicsContextX11(osg::GraphicsContext::Traits* traits):
|
||||
_display(0),
|
||||
_parent(0),
|
||||
_window(0)
|
||||
{
|
||||
_traits = traits;
|
||||
}
|
||||
|
||||
/** Realise the GraphicsContext implementation,
|
||||
* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
|
||||
virtual bool realizeImplementation() { osg::notify(osg::NOTICE)<<"GraphicsWindow::realizeImplementation() not implemented."<<std::endl; return false; }
|
||||
|
||||
/** Return true if the graphics context has been realised, and is ready to use, implementation.
|
||||
* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
|
||||
virtual bool isRealizedImplementation() const { osg::notify(osg::NOTICE)<<"GraphicsWindow::isRealizedImplementation() not implemented."<<std::endl; return false; }
|
||||
|
||||
/** Close the graphics context implementation.
|
||||
* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
|
||||
virtual void closeImplementation() { osg::notify(osg::NOTICE)<<"GraphicsWindow::closeImplementation() not implemented."<<std::endl; }
|
||||
|
||||
/** Make this graphics context current implementation.
|
||||
* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
|
||||
virtual void makeCurrentImplementation() { osg::notify(osg::NOTICE)<<"GraphicsWindow::makeCurrentImplementation() not implemented."<<std::endl; }
|
||||
|
||||
/** Make this graphics context current with specified read context implementation.
|
||||
* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
|
||||
virtual void makeContextCurrentImplementation(GraphicsContext* /*readContext*/) { osg::notify(osg::NOTICE)<<"GraphicsWindow::makeContextCurrentImplementation(..) not implemented."<<std::endl; }
|
||||
|
||||
/** Pure virtual, Bind the graphics context to associated texture implementation.
|
||||
* Pure virtual - must be implemented by concrate implementations of GraphicsContext. */
|
||||
virtual void bindPBufferToTextureImplementation(GLenum /*buffer*/) { osg::notify(osg::NOTICE)<<"GraphicsWindow::void bindPBufferToTextureImplementation(..) not implemented."<<std::endl; }
|
||||
|
||||
/** Swap the front and back buffers implementation.
|
||||
* Pure virtual - must be implemented by Concrate implementations of GraphicsContext. */
|
||||
virtual void swapBuffersImplementation() { osg::notify(osg::NOTICE)<<"GraphicsWindow:: swapBuffersImplementation() not implemented."<<std::endl; }
|
||||
|
||||
protected:
|
||||
|
||||
Display* _display;
|
||||
Window _parent;
|
||||
Window _window;
|
||||
|
||||
};
|
||||
|
||||
|
||||
bool GraphicsWindowX11::createVisualInfo()
|
||||
{
|
||||
typedef std::vector<int> Attributes;
|
||||
Attributes attributes;
|
||||
|
||||
attributes.push_back(GLX_USE_GL);
|
||||
|
||||
attributes.push_back(GLX_RGBA);
|
||||
|
||||
if (_traits->_doubleBuffer) attributes.push_back(GLX_DOUBLEBUFFER);
|
||||
|
||||
if (_traits->_quadBufferStereo) attributes.push_back(GLX_STEREO);
|
||||
|
||||
attributes.push_back(GLX_RED_SIZE); attributes.push_back(_traits->_red);
|
||||
attributes.push_back(GLX_GREEN_SIZE); attributes.push_back(_traits->_green);
|
||||
attributes.push_back(GLX_BLUE_SIZE); attributes.push_back(_traits->_blue);
|
||||
attributes.push_back(GLX_DEPTH_SIZE); attributes.push_back(_traits->_depth);
|
||||
|
||||
if (_traits->_alpha) { attributes.push_back(GLX_ALPHA_SIZE); attributes.push_back(_traits->_alpha); }
|
||||
|
||||
if (_traits->_stencil) { attributes.push_back(GLX_STENCIL_SIZE); attributes.push_back(_traits->_stencil); }
|
||||
|
||||
// TODO
|
||||
// GLX_AUX_BUFFERS
|
||||
// GLX_ACCUM_RED_SIZE
|
||||
// GLX_ACCUM_GREEN_SIZE
|
||||
// GLX_SAMPLE_BUFFERS
|
||||
// GLX_SAMPLES
|
||||
|
||||
attributes.push_back(None);
|
||||
|
||||
_visualInfo = glXChooseVisual( _display, _traits->_screenNum, &(attributes.front()) );
|
||||
|
||||
return _visualInfo != 0;
|
||||
}
|
||||
|
||||
void GraphicsWindowX11::setWindowDecoration(bool flag)
|
||||
{
|
||||
Atom atom;
|
||||
if( (atom = XInternAtom( _display, "_MOTIF_WM_HINTS", 0 )) != None )
|
||||
{
|
||||
// Hack for sending 64 bit atom to Xserver
|
||||
#if defined( _MIPS_SIM) && (_MIPS_SIM == _MIPS_SIM_ABI64) || defined ( __ia64 ) || defined (__amd64 ) || defined(__x86_64__)
|
||||
struct {
|
||||
CARD32 flags0;
|
||||
CARD32 flags1;
|
||||
CARD32 functions0;
|
||||
CARD32 functions1;
|
||||
CARD32 decorations0;
|
||||
CARD32 decorations1;
|
||||
INT32 input_mode0;
|
||||
INT32 input_mode1;
|
||||
CARD32 status0;
|
||||
CARD32 status1;
|
||||
} wmHints;
|
||||
|
||||
#if defined( __ia64 ) || defined (__amd64) || defined (__x86_64__)
|
||||
wmHints.flags0 = (1L << 1);
|
||||
wmHints.functions0 = 0;
|
||||
wmHints.decorations0 = flag;
|
||||
wmHints.input_mode0 = 0;
|
||||
|
||||
#else
|
||||
wmHints.flags1 = (1L << 1);
|
||||
wmHints.functions1 = 0;
|
||||
wmHints.decorations1 = flag;
|
||||
wmHints.input_mode1 = 0;
|
||||
#endif
|
||||
|
||||
#else
|
||||
|
||||
struct {
|
||||
CARD32 flags;
|
||||
CARD32 functions;
|
||||
CARD32 decorations;
|
||||
INT32 input_mode;
|
||||
CARD32 status;
|
||||
} wmHints;
|
||||
|
||||
wmHints.flags = (1L << 1);
|
||||
wmHints.functions = 0;
|
||||
wmHints.decorations = flag;
|
||||
wmHints.input_mode = 0;
|
||||
#endif
|
||||
|
||||
XUnmapWindow(_display, _window );
|
||||
XChangeProperty( _display, _window, atom, atom, 32, PropModeReplace, (unsigned char *)&wmHints, 5 );
|
||||
XMapWindow(_display, _window );
|
||||
|
||||
XFlush(_display);
|
||||
XSync(_display,0);
|
||||
|
||||
#if 0
|
||||
// now update the window dimensions to account for any size changes made by the window manager,
|
||||
XGetWindowAttributes( _display, _window, &watt );
|
||||
_traits->_width = watt.width;
|
||||
_traits->_height = watt.height;
|
||||
#endif
|
||||
|
||||
}
|
||||
else
|
||||
osg::notify(osg::NOTICE)<<"Error: GraphicsWindowX11::setBorder(" << flag << ") - couldn't change decorations." << std::endl;
|
||||
}
|
||||
|
||||
void GraphicsWindowX11::init()
|
||||
{
|
||||
if (!_traits || _initialized) return;
|
||||
|
||||
const char* displayString = _traits->_hostName.c_str();
|
||||
_display = XOpenDisplay(displayString);
|
||||
|
||||
unsigned int screen = _traits->_screenNum;
|
||||
|
||||
if (!_display)
|
||||
{
|
||||
osg::notify(osg::NOTICE)<<"Error: Unable to open display \"" << XDisplayName(displayString) << "\". Is the DISPLAY environmental variable set?"<<std::endl;
|
||||
return;
|
||||
}
|
||||
|
||||
// Query for GLX extension
|
||||
int errorBase, eventBase;
|
||||
if( glXQueryExtension( _display, &errorBase, &eventBase) == False )
|
||||
{
|
||||
osg::notify(osg::NOTICE)<<"Error: " << XDisplayName(displayString) <<" has no GLX extension." << std::endl;
|
||||
|
||||
XCloseDisplay( _display );
|
||||
_display = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
// osg::notify(osg::NOTICE)<<"GLX extension, errorBase="<<errorBase<<" eventBase="<<eventBase<<std::endl;
|
||||
|
||||
if (!createVisualInfo())
|
||||
{
|
||||
osg::notify(osg::NOTICE)<<"Error: Not able to create requested visual." << std::endl;
|
||||
return;
|
||||
}
|
||||
|
||||
// need to pick up from traits
|
||||
GLXContext sharedGLContext = 0;
|
||||
|
||||
_glxContext = glXCreateContext( _display, _visualInfo, sharedGLContext, GL_TRUE );
|
||||
|
||||
if (!_glxContext)
|
||||
{
|
||||
osg::notify(osg::NOTICE)<<"Error: Unable to create OpenGL graphics context."<<std::endl;
|
||||
return;
|
||||
}
|
||||
|
||||
_parent = RootWindow( _display, screen );
|
||||
|
||||
XWindowAttributes watt;
|
||||
XGetWindowAttributes( _display, _parent, &watt );
|
||||
// unsigned int parentWindowHeight = watt.height;
|
||||
osg::notify(osg::NOTICE)<<"First watt.x = "<<watt.x<<" watt.y="<<watt.y<<std::endl;
|
||||
|
||||
XSetWindowAttributes swatt;
|
||||
swatt.colormap = XCreateColormap( _display, _parent, _visualInfo->visual, AllocNone);
|
||||
//swatt.colormap = DefaultColormap( _dpy, 10 );
|
||||
swatt.background_pixel = 0;
|
||||
swatt.border_pixel = 0;
|
||||
swatt.event_mask = 0;
|
||||
unsigned long mask = CWBackPixel | CWBorderPixel | CWEventMask | CWColormap;
|
||||
|
||||
bool overrideRedirect = false;
|
||||
if (overrideRedirect)
|
||||
{
|
||||
swatt.override_redirect = true;
|
||||
mask |= CWOverrideRedirect;
|
||||
}
|
||||
|
||||
_window = XCreateWindow( _display, _parent,
|
||||
_traits->_x,
|
||||
_traits->_y,
|
||||
_traits->_width, _traits->_height, 0,
|
||||
_visualInfo->depth, InputOutput,
|
||||
_visualInfo->visual, mask, &swatt );
|
||||
|
||||
if (!_window)
|
||||
{
|
||||
osg::notify(osg::NOTICE)<<"Error: Unable to create Window."<<std::endl;
|
||||
return;
|
||||
}
|
||||
|
||||
// This positions the window at _windowX, _windowY
|
||||
XSizeHints sh;
|
||||
sh.flags = 0;
|
||||
sh.flags |= USSize;
|
||||
sh.flags &= 0x7;
|
||||
sh.flags |= USPosition;
|
||||
sh.flags &= 0xB;
|
||||
sh.x = _traits->_x;
|
||||
sh.y = _traits->_y;
|
||||
sh.width = _traits->_width;
|
||||
sh.height = _traits->_height;
|
||||
XSetStandardProperties( _display, _window, _traits->_windowName.c_str(), _traits->_windowName.c_str(), None, 0, 0, &sh);
|
||||
|
||||
#if 1
|
||||
setWindowDecoration(_traits->_windowDecoration);
|
||||
#else
|
||||
setWindowDecoration(true);
|
||||
#endif
|
||||
// Create default Cursor
|
||||
_defaultCursor = XCreateFontCursor( _display, XC_left_ptr );
|
||||
|
||||
|
||||
// Create Null Cursor
|
||||
{
|
||||
Pixmap pixmap;
|
||||
static char buff[2] = {0,0};
|
||||
static XColor ncol = {0,0,0,0,DoRed|DoGreen|DoBlue,0};
|
||||
|
||||
pixmap = XCreateBitmapFromData( _display, _parent, buff, 1, 1);
|
||||
_nullCursor = XCreatePixmapCursor( _display, pixmap, pixmap, &ncol, &ncol, 0, 0 );
|
||||
}
|
||||
|
||||
#if 1
|
||||
_currentCursor = _defaultCursor;
|
||||
#else
|
||||
_currentCursor = _nullCursor;
|
||||
#endif
|
||||
|
||||
{
|
||||
XDefineCursor( _display, _window, _currentCursor );
|
||||
XFlush(_display);
|
||||
XSync(_display,0);
|
||||
}
|
||||
|
||||
XSelectInput( _display, _window, ExposureMask | StructureNotifyMask |
|
||||
KeyPressMask | KeyReleaseMask |
|
||||
PointerMotionMask | ButtonPressMask | ButtonReleaseMask);
|
||||
|
||||
XFlush( _display );
|
||||
XSync( _display, 0 );
|
||||
|
||||
// now update the window dimensions to account for any size changes made by the window manager,
|
||||
XGetWindowAttributes( _display, _window, &watt );
|
||||
_traits->_width = watt.width;
|
||||
_traits->_height = watt.height;
|
||||
|
||||
//osg::notify(osg::NOTICE)<<"After sync apply.x = "<<watt.x<<" watt.y="<<watt.y<<" width="<<watt.width<<" height="<<watt.height<<std::endl;
|
||||
|
||||
|
||||
_initialized = true;
|
||||
}
|
||||
|
||||
bool GraphicsWindowX11::realizeImplementation()
|
||||
{
|
||||
if (_realized) return true;
|
||||
|
||||
if (!_initialized) init();
|
||||
|
||||
if (!_initialized) return false;
|
||||
|
||||
XMapWindow( _display, _window );
|
||||
Window temp = _window;
|
||||
XSetWMColormapWindows( _display, _window, &temp, 1);
|
||||
|
||||
makeCurrent();
|
||||
|
||||
_realized = true;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void GraphicsWindowX11::makeCurrentImplementation()
|
||||
{
|
||||
glXMakeCurrent( _display, _window, _glxContext );
|
||||
}
|
||||
|
||||
|
||||
void GraphicsWindowX11::closeImplementation()
|
||||
{
|
||||
//glXDestroyContext(_display, _glxContext );
|
||||
XDestroyWindow(_display, _window);
|
||||
|
||||
XFlush( _display );
|
||||
XSync( _display,0 );
|
||||
|
||||
_window = 0;
|
||||
_parent = 0;
|
||||
|
||||
if(_visualInfo)
|
||||
{
|
||||
XFree(_visualInfo);
|
||||
_visualInfo = 0;
|
||||
}
|
||||
|
||||
_initialized = false;
|
||||
_realized = false;
|
||||
}
|
||||
|
||||
void GraphicsWindowX11::swapBuffersImplementation()
|
||||
{
|
||||
glXSwapBuffers(_display, _window);
|
||||
}
|
||||
|
||||
void GraphicsWindowX11::checkEvents()
|
||||
{
|
||||
// osg::notify(osg::NOTICE)<<"Check events"<<std::endl;
|
||||
while( XPending(_display) )
|
||||
{
|
||||
XEvent ev;
|
||||
XNextEvent( _display, &ev );
|
||||
|
||||
switch( ev.type )
|
||||
{
|
||||
case Expose :
|
||||
osg::notify(osg::NOTICE)<<"Expose x="<<ev.xexpose.x<<" y="<<ev.xexpose.y<<" width="<<ev.xexpose.width<<", height="<<ev.xexpose.height<<std::endl;
|
||||
break;
|
||||
|
||||
case GravityNotify :
|
||||
osg::notify(osg::NOTICE)<<"GravityNotify"<<std::endl;
|
||||
break;
|
||||
|
||||
case UnmapNotify :
|
||||
osg::notify(osg::NOTICE)<<"UnmapNotify"<<std::endl;
|
||||
break;
|
||||
|
||||
case ReparentNotify:
|
||||
osg::notify(osg::NOTICE)<<"ReparentNotify"<<std::endl;
|
||||
break;
|
||||
|
||||
case DestroyNotify :
|
||||
osg::notify(osg::NOTICE)<<"DestroyNotify"<<std::endl;
|
||||
_realized = false;
|
||||
break;
|
||||
|
||||
case ConfigureNotify :
|
||||
{
|
||||
osg::notify(osg::NOTICE)<<"ConfigureNotify x="<<ev.xconfigure.x<<" y="<<ev.xconfigure.y<<" width="<<ev.xconfigure.width<<", height="<<ev.xconfigure.height<<std::endl;
|
||||
XWindowAttributes watt;
|
||||
XGetWindowAttributes( _display, _window, &watt );
|
||||
osg::notify(osg::NOTICE)<<"After sync apply.x = "<<watt.x<<" watt.y="<<watt.y<<" width="<<watt.width<<" height="<<watt.height<<std::endl;
|
||||
|
||||
_traits->_x = ev.xconfigure.x;
|
||||
_traits->_y = ev.xconfigure.y;
|
||||
_traits->_width = ev.xconfigure.width;
|
||||
_traits->_height = ev.xconfigure.height;
|
||||
// need to dispatch resize event.
|
||||
break;
|
||||
}
|
||||
|
||||
case MapNotify :
|
||||
{
|
||||
osg::notify(osg::NOTICE)<<"MapNotify"<<std::endl;
|
||||
XWindowAttributes watt;
|
||||
do
|
||||
XGetWindowAttributes(_display, _window, &watt );
|
||||
while( watt.map_state != IsViewable );
|
||||
|
||||
osg::notify(osg::NOTICE)<<"MapNotify x="<<watt.x<<" y="<<watt.y<<" width="<<watt.width<<", height="<<watt.height<<std::endl;
|
||||
_traits->_width = watt.width;
|
||||
_traits->_height = watt.height;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case MotionNotify :
|
||||
{
|
||||
int wx, wy;
|
||||
Window win = 0L;
|
||||
if( ev.xmotion.same_screen )
|
||||
{
|
||||
wx = ev.xmotion.x;
|
||||
wy = ev.xmotion.y;
|
||||
}
|
||||
else
|
||||
{
|
||||
// the mouse in on another screen so need to compute the
|
||||
// coordinates of the mouse position relative to an absolute position
|
||||
// then take away the position of the original window/screen to get
|
||||
// the coordinates relative to the original position.
|
||||
Window root;
|
||||
int rx, ry;
|
||||
unsigned int buttons;
|
||||
|
||||
int screenOrigin_x = 0;
|
||||
int screenOrigin_y = 0;
|
||||
int i;
|
||||
for(i= 0; i < ScreenCount(_display); i++ )
|
||||
{
|
||||
if( XQueryPointer( _display, RootWindow(_display, i),
|
||||
&root, &win, &rx, &ry, &wx, &wy, &buttons) )
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
screenOrigin_x += DisplayWidth(_display, i);
|
||||
}
|
||||
|
||||
for(i= 0; i < static_cast<int>(_traits->_screenNum); i++ )
|
||||
{
|
||||
screenOrigin_x -= DisplayWidth(_display, i);
|
||||
}
|
||||
|
||||
int dest_x_return, dest_y_return;
|
||||
Window child_return;
|
||||
Bool result = XTranslateCoordinates(_display, _window, _parent, 0, 0, &dest_x_return, &dest_y_return, &child_return);
|
||||
|
||||
wx += (screenOrigin_x - dest_x_return);
|
||||
wy += (screenOrigin_y - dest_y_return);
|
||||
}
|
||||
|
||||
|
||||
float mx = wx;
|
||||
float my = wy;
|
||||
transformMouseXY(mx, my);
|
||||
getEventQueue()->mouseMotion(mx, my);
|
||||
|
||||
// osg::notify(osg::NOTICE)<<"MotionNotify wx="<<wx<<" wy="<<wy<<" mx="<<mx<<" my="<<my<<std::endl;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case ButtonPress :
|
||||
{
|
||||
if( ev.xbutton.button == Button4 )
|
||||
{
|
||||
getEventQueue()->mouseScroll(osgGA::GUIEventAdapter::SCROLL_UP);
|
||||
}
|
||||
else if( ev.xbutton.button == Button5)
|
||||
{
|
||||
getEventQueue()->mouseScroll(osgGA::GUIEventAdapter::SCROLL_DOWN);
|
||||
}
|
||||
else
|
||||
{
|
||||
float mx = ev.xbutton.x;
|
||||
float my = ev.xmotion.y;
|
||||
transformMouseXY(mx, my);
|
||||
getEventQueue()->mouseButtonPress(mx, my, ev.xbutton.button);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
case ButtonRelease :
|
||||
{
|
||||
if( ev.xbutton.button == Button4 )
|
||||
{
|
||||
getEventQueue()->mouseScroll(osgGA::GUIEventAdapter::SCROLL_UP);
|
||||
}
|
||||
else if( ev.xbutton.button == Button5)
|
||||
{
|
||||
getEventQueue()->mouseScroll(osgGA::GUIEventAdapter::SCROLL_DOWN);
|
||||
}
|
||||
else
|
||||
{
|
||||
float mx = ev.xbutton.x;
|
||||
float my = ev.xmotion.y;
|
||||
transformMouseXY(mx, my);
|
||||
getEventQueue()->mouseButtonRelease(mx, my, ev.xbutton.button);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
case KeyPress:
|
||||
{
|
||||
int keySymbol = 0;
|
||||
unsigned int modifierMask = 0;
|
||||
adaptKey(ev.xkey, keySymbol, modifierMask);
|
||||
|
||||
getEventQueue()->keyPress(keySymbol);
|
||||
getEventQueue()->getCurrentEventState()->setModKeyMask(modifierMask);
|
||||
break;
|
||||
}
|
||||
|
||||
case KeyRelease:
|
||||
{
|
||||
int keySymbol = 0;
|
||||
unsigned int modifierMask = 0;
|
||||
adaptKey(ev.xkey, keySymbol, modifierMask);
|
||||
|
||||
getEventQueue()->keyRelease(keySymbol);
|
||||
getEventQueue()->getCurrentEventState()->setModKeyMask(modifierMask);
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
osg::notify(osg::NOTICE)<<"Other event"<<std::endl;
|
||||
break;
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void GraphicsWindowX11::grabFocus()
|
||||
{
|
||||
XSetInputFocus( _display, _window, RevertToNone, CurrentTime );
|
||||
XFlush(_display); XSync(_display,0);
|
||||
}
|
||||
|
||||
void GraphicsWindowX11::grabFocusIfPointerInWindow()
|
||||
{
|
||||
Window win, root;
|
||||
int wx, wy, rx, ry;
|
||||
unsigned int buttons;
|
||||
|
||||
if( XQueryPointer( _display, _window,
|
||||
&root, &win, &rx, &ry, &wx, &wy, &buttons))
|
||||
{
|
||||
grabFocus();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void GraphicsWindowX11::transformMouseXY(float& x, float& y)
|
||||
{
|
||||
if (getEventQueue()->getUseFixedMouseInputRange())
|
||||
{
|
||||
osgGA::GUIEventAdapter* eventState = getEventQueue()->getCurrentEventState();
|
||||
x = eventState->getXmin() + (eventState->getXmax()-eventState->getXmin())*x/float(_traits->_width);
|
||||
y = eventState->getYmin() + (eventState->getYmax()-eventState->getYmin())*y/float(_traits->_height);
|
||||
}
|
||||
}
|
||||
|
||||
void GraphicsWindowX11::adaptKey(XKeyEvent& keyevent, int& keySymbol, unsigned int& modifierMask)
|
||||
{
|
||||
// KeySym ks = XKeycodeToKeysym( _display, keyevent.keycode, 0 );
|
||||
|
||||
static XComposeStatus state;
|
||||
unsigned char keybuf[32];
|
||||
XLookupString( &keyevent, (char *)keybuf, sizeof(keybuf), NULL, &state );
|
||||
|
||||
modifierMask = 0;
|
||||
if( keyevent.state & ShiftMask )
|
||||
{
|
||||
modifierMask |= osgGA::GUIEventAdapter::MODKEY_SHIFT;
|
||||
}
|
||||
if( keyevent.state & LockMask )
|
||||
{
|
||||
modifierMask |= osgGA::GUIEventAdapter::MODKEY_CAPS_LOCK;
|
||||
}
|
||||
if( keyevent.state & ControlMask )
|
||||
{
|
||||
modifierMask |= osgGA::GUIEventAdapter::MODKEY_CTRL;
|
||||
}
|
||||
if( keyevent.state & Mod1Mask )
|
||||
{
|
||||
modifierMask |= osgGA::GUIEventAdapter::MODKEY_ALT;
|
||||
}
|
||||
if( keyevent.state & Mod2Mask )
|
||||
{
|
||||
modifierMask |= osgGA::GUIEventAdapter::MODKEY_NUM_LOCK;
|
||||
}
|
||||
if( keyevent.state & Mod4Mask )
|
||||
{
|
||||
modifierMask |= osgGA::GUIEventAdapter::MODKEY_META;
|
||||
}
|
||||
|
||||
keySymbol = keybuf[0];
|
||||
}
|
||||
|
||||
struct X11WindowingSystemInterface : public osg::GraphicsContext::WindowingSystemInterface
|
||||
{
|
||||
|
||||
X11WindowingSystemInterface()
|
||||
{
|
||||
}
|
||||
|
||||
virtual unsigned int getNumScreens(const osg::GraphicsContext::ScreenIdentifier& si)
|
||||
{
|
||||
const char* displayString = si._hostName.c_str();
|
||||
Display* display = XOpenDisplay(displayString);
|
||||
if(display)
|
||||
{
|
||||
unsigned int numScreens = ScreenCount(display);
|
||||
XCloseDisplay(display);
|
||||
|
||||
return numScreens;
|
||||
}
|
||||
else
|
||||
{
|
||||
osg::notify(osg::NOTICE) << "Unable to open display \"" << XDisplayName(displayString) << "\". Is the DISPLAY environmental variable set?"<<std::endl;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
virtual void getScreenResolution(const osg::GraphicsContext::ScreenIdentifier& si, unsigned int& width, unsigned int& height)
|
||||
{
|
||||
const char* displayString = si._hostName.c_str();
|
||||
Display* display = XOpenDisplay(displayString);
|
||||
if(display)
|
||||
{
|
||||
width = DisplayWidth(display, si._screenNum);
|
||||
height = DisplayHeight(display, si._screenNum);
|
||||
XCloseDisplay(display);
|
||||
}
|
||||
else
|
||||
{
|
||||
osg::notify(osg::NOTICE) << "Unable to open display \"" << XDisplayName(displayString) << "\". Is the DISPLAY environmental variable set?"<<std::endl;
|
||||
width = 0;
|
||||
height = 0;
|
||||
}
|
||||
}
|
||||
|
||||
virtual osg::GraphicsContext* createGraphicsContext(osg::GraphicsContext::Traits* traits)
|
||||
{
|
||||
if (traits->_pbuffer)
|
||||
{
|
||||
return new GraphicsContextX11(traits);
|
||||
}
|
||||
else
|
||||
{
|
||||
return new GraphicsWindowX11(traits);
|
||||
}
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
struct RegisterWindowingSystemInterfaceProxy
|
||||
{
|
||||
RegisterWindowingSystemInterfaceProxy()
|
||||
{
|
||||
osg::GraphicsContext::setWindowingSystemInterface(new X11WindowingSystemInterface);
|
||||
}
|
||||
|
||||
~RegisterWindowingSystemInterfaceProxy()
|
||||
{
|
||||
osg::GraphicsContext::setWindowingSystemInterface(0);
|
||||
}
|
||||
};
|
||||
|
||||
RegisterWindowingSystemInterfaceProxy createWindowingSystemInterfaceProxy;
|
||||
Loading…
Reference in New Issue
Block a user