root/OpenSceneGraph/trunk/include/osgViewer/api/Cocoa/GraphicsWindowCocoa @ 10456

Revision 10456, 6.7 kB (checked in by robert, 5 years ago)

From Stephan Huber, "ttached you'll find a small fix for the
GraphicsWindowCocoa?-implementation, which enhances multithreaded
stability, it ensures that modifications to the size of an openglcontext
is done only from one thread.
"

  • Property svn:executable set to *
RevLine 
[9879]1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under 
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version.  The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14/* Note, elements of GraphicsWindowX11 have used Prodcer/RenderSurface_X11.cpp as both
15 * a guide to use of X11/GLX and copiying directly in the case of setBorder().
16 * These elements are license under OSGPL as above, with Copyright (C) 2001-2004  Don Burns.
17 */
18
19#ifndef OSGVIEWER_GRAPHICSWINDOWCOCOA
20#define OSGVIEWER_GRAPHICSWINDOWCOCOA 1
21
22#ifdef __APPLE__
23
24#ifdef __OBJC__
25@class GraphicsWindowCocoaWindow;
[10208]26@class GraphicsWindowCocoaGLView;
[9879]27@class NSOpenGLContext;
28@class NSWindow;
[10208]29@class NSView;
[9879]30#else
[10208]31class GraphicsWindowCocoaGLView;
[9879]32class GraphicsWindowCocoaWindow;
33class NSOpenGLContext;
34class NSWindow;
[10208]35class NSView;
[9879]36#endif
37
38#include <osgViewer/GraphicsWindow>
39
40// we may not include any cocoa-header here, because this will pollute the name-sapce and tend to compile-errors
41
42namespace osgViewer
43{
44
45class GraphicsWindowCocoa : public osgViewer::GraphicsWindow
46{
47    public:
[10208]48    class Implementation;
[9879]49
50        GraphicsWindowCocoa(osg::GraphicsContext::Traits* traits):
51            _valid(false),
52            _initialized(false),
53            _realized(false),
[10208]54            _closeRequested(false),
55            _checkForEvents(true),
[9879]56            _ownsWindow(true),
[10208]57            _currentCursor(RightArrowCursor),
58            _window(NULL),
59            _context(NULL)
[9879]60        {
61            _traits = traits;
62
63            init();
64           
65            if (valid())
66            {
67                setState( new osg::State );
68                getState()->setGraphicsContext(this);
69
70                if (_traits.valid() && _traits->sharedContext)
71                {
72                    getState()->setContextID( _traits->sharedContext->getState()->getContextID() );
73                    incrementContextIDUsageCount( getState()->getContextID() );   
74                }
75                else
76                {
77                    getState()->setContextID( osg::GraphicsContext::createNewContextID() );
78                }
79            }
80        }
81   
82        virtual bool isSameKindAs(const Object* object) const { return dynamic_cast<const GraphicsWindowCocoa*>(object)!=0; }
83        virtual const char* libraryName() const { return "osgViewer"; }
84        virtual const char* className() const { return "GraphicsWindowCarbon"; }
85
86        virtual bool valid() const { return _valid; }
87
88        /** Realise the GraphicsContext.*/
89        virtual bool realizeImplementation();
90
91        /** Return true if the graphics context has been realised and is ready to use.*/
92        virtual bool isRealizedImplementation() const { return _realized; }
93
94        /** Close the graphics context.*/
95        virtual void closeImplementation();
96
97        /** Make this graphics context current.*/
98        virtual bool makeCurrentImplementation();
99       
100        /** Release the graphics context.*/
101        virtual bool releaseContextImplementation();
102
103        /** Swap the front and back buffers.*/
104        virtual void swapBuffersImplementation();
105       
106        /** Check to see if any events have been generated.*/
107        virtual void checkEvents();
108
109        /** Set Window decoration.*/
110        virtual bool setWindowDecorationImplementation(bool flag);
111
112        /** Get focus.*/
113        virtual void grabFocus();
114       
115        /** Get focus on if the pointer is in this window.*/
116        virtual void grabFocusIfPointerInWindow();
117       
118        bool requestClose() { bool b = _closeRequested; _closeRequested = true; return b; }
119       
120        virtual void resizedImplementation(int x, int y, int width, int height);
121       
122        virtual bool setWindowRectangleImplementation(int x, int y, int width, int height);
123       
124        virtual void setWindowName (const std::string & name);
125        virtual void useCursor(bool cursorOn);
126        virtual void setCursor(MouseCursor mouseCursor);
127               
128        /** WindowData is used to pass in the Cocoa window handle attached the GraphicsContext::Traits structure. */
129        class WindowData : public osg::Referenced
130        {
131            public:
[10208]132                enum Options { CreateOnlyView = 1, CheckForEvents = 2, PoseAsStandaloneApp = 4};
133                WindowData(unsigned int options)
134                :    _createOnlyView(options & CreateOnlyView),
135                    _checkForEvents(options & CheckForEvents),
136                    _poseAsStandaloneApp(options & PoseAsStandaloneApp),
137                    _view(NULL)
138                {
139                }
140                           
141                inline NSView* getCreatedNSView() { return _view; }
142                bool createOnlyView() const { return _createOnlyView; }
143                bool checkForEvents() const { return _checkForEvents; }
144                bool poseAsStandaloneApp() const { return _poseAsStandaloneApp; }
145           
146            protected:
147                inline void setCreatedNSView(NSView* view) { _view = view; }
148           
[9879]149            private:
[10208]150                bool         _createOnlyView, _checkForEvents, _poseAsStandaloneApp;
151                NSView*         _view;
[9879]152           
[10208]153            friend class GraphicsWindowCocoa;
154
[9879]155        };
156       
157        NSOpenGLContext* getContext() { return _context; }
158        GraphicsWindowCocoaWindow* getWindow() { return _window; }
159               
160        void setVSync(bool f);
161       
[10208]162        /** adapts a resize / move of the window, coords in global screen space */
163        void adaptResize(int x, int y, int w, int h);
164       
[9879]165    protected:
166   
167        void init();
168       
169        void transformMouseXY(float& x, float& y);
170        void setupNSWindow(NSWindow* win);
171       
172       
173        virtual ~GraphicsWindowCocoa();
174
175
176        bool            _valid;
177        bool            _initialized;
178        bool            _realized;
179        bool            _useWindowDecoration;
180
[10208]181   
[9879]182         
183    private:       
184       
185       
[10456]186        bool                            _closeRequested, _checkForEvents,_ownsWindow;
187        MouseCursor                     _currentCursor;
188        GraphicsWindowCocoaWindow*      _window;
189        GraphicsWindowCocoaGLView*      _view;
190        NSOpenGLContext*                _context;
191        bool                            _updateContext;
[9879]192};
193
194}
195
196#endif
197#endif
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