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/* -*-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.
*/
#ifndef OSGVIEWER_GRAPHICSWINDOWCOCOA
#define OSGVIEWER_GRAPHICSWINDOWCOCOA 1
#ifdef __APPLE__
#ifdef __OBJC__
@class GraphicsWindowCocoaWindow;
@class GraphicsWindowCocoaGLView;
@class NSOpenGLContext;
@class NSOpenGLPixelFormat;
@class NSWindow;
@class NSView;
#else
class GraphicsWindowCocoaGLView;
class GraphicsWindowCocoaWindow;
class NSOpenGLContext;
class NSOpenGLPixelFormat;
class NSWindow;
class NSView;
#endif
#include <osgViewer/GraphicsWindow>
#include <osgViewer/api/Cocoa/GraphicsHandleCocoa>
// we may not include any cocoa-header here, because this will pollute the name-sapce and tend to compile-errors
namespace osgViewer
{
class GraphicsWindowCocoa : public osgViewer::GraphicsWindow, public osgViewer::GraphicsHandleCocoa
{
public:
class Implementation;
GraphicsWindowCocoa(osg::GraphicsContext::Traits* traits):
osgViewer::GraphicsWindow(),
osgViewer::GraphicsHandleCocoa(),
_valid(false),
_initialized(false),
_realized(false),
_closeRequested(false),
_checkForEvents(true),
_ownsWindow(true),
_currentCursor(RightArrowCursor),
_window(NULL),
_view(NULL),
_context(NULL),
_pixelformat(NULL),
_updateContext(false),
_multiTouchEnabled(false)
{
_traits = traits;
init();
if (valid())
{
setState( new osg::State );
getState()->setGraphicsContext(this);
if (_traits.valid() && _traits->sharedContext.valid())
{
getState()->setContextID( _traits->sharedContext->getState()->getContextID() );
incrementContextIDUsageCount( getState()->getContextID() );
}
else
{
getState()->setContextID( osg::GraphicsContext::createNewContextID() );
}
}
}
virtual bool isSameKindAs(const Object* object) const { return dynamic_cast<const GraphicsWindowCocoa*>(object)!=0; }
virtual const char* libraryName() const { return "osgViewer"; }
virtual const char* className() const { return "GraphicsWindowCocoa"; }
virtual bool valid() const { return _valid; }
/** Realise the GraphicsContext.*/
virtual bool realizeImplementation();
/** Return true if the graphics context has been realised and is ready to use.*/
virtual bool isRealizedImplementation() const { return _realized; }
/** Close the graphics context.*/
virtual void closeImplementation();
/** Make this graphics context current.*/
virtual bool makeCurrentImplementation();
/** Release the graphics context.*/
virtual bool releaseContextImplementation();
/** Swap the front and back buffers.*/
virtual void swapBuffersImplementation();
/** Check to see if any events have been generated.*/
virtual bool checkEvents();
/** Set Window decoration.*/
virtual bool setWindowDecorationImplementation(bool flag);
/** Get focus.*/
virtual void grabFocus();
/** Get focus on if the pointer is in this window.*/
virtual void grabFocusIfPointerInWindow();
bool requestClose() { bool b = _closeRequested; _closeRequested = true; return b; }
virtual void resizedImplementation(int x, int y, int width, int height);
virtual bool setWindowRectangleImplementation(int x, int y, int width, int height);
virtual void setWindowName (const std::string & name);
virtual void requestWarpPointer(float x,float y);
virtual void useCursor(bool cursorOn);
virtual void setCursor(MouseCursor mouseCursor);
/** WindowData is used to pass in the Cocoa window handle attached the GraphicsContext::Traits structure. */
class WindowData : public osg::Referenced
{
public:
enum Options { CreateOnlyView = 1, CheckForEvents = 2, PoseAsStandaloneApp = 4, EnableMultiTouch = 8};
WindowData(unsigned int options)
: _createOnlyView(options & CreateOnlyView),
_checkForEvents(options & CheckForEvents),
_poseAsStandaloneApp(options & PoseAsStandaloneApp),
_multiTouchEnabled(options & EnableMultiTouch),
_view(NULL)
{
}
inline NSView* getCreatedNSView() { return _view; }
bool createOnlyView() const { return _createOnlyView; }
bool checkForEvents() const { return _checkForEvents; }
bool poseAsStandaloneApp() const { return _poseAsStandaloneApp; }
bool isMultiTouchEnabled() const { return _multiTouchEnabled; }
protected:
inline void setCreatedNSView(NSView* view) { _view = view; }
private:
bool _createOnlyView, _checkForEvents, _poseAsStandaloneApp, _multiTouchEnabled;
NSView* _view;
friend class GraphicsWindowCocoa;
};
NSOpenGLContext* getContext() { return _context; }
GraphicsWindowCocoaWindow* getWindow() { return _window; }
NSOpenGLPixelFormat* getPixelFormat() { return _pixelformat; }
virtual void setSyncToVBlank(bool f);
/** adapts a resize / move of the window, coords in global screen space */
void adaptResize(int x, int y, int w, int h);
bool isMultiTouchEnabled();
void setMultiTouchEnabled(bool b);
protected:
void init();
void transformMouseXY(float& x, float& y);
void setupNSWindow(NSWindow* win);
virtual ~GraphicsWindowCocoa();
bool _valid;
bool _initialized;
bool _realized;
bool _useWindowDecoration;
private:
bool _closeRequested, _checkForEvents,_ownsWindow;
MouseCursor _currentCursor;
GraphicsWindowCocoaWindow* _window;
GraphicsWindowCocoaGLView* _view;
NSOpenGLContext* _context;
NSOpenGLPixelFormat* _pixelformat;
bool _updateContext, _multiTouchEnabled;
};
}
#endif
#endif
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