root/OpenSceneGraph/trunk/src/osgViewer/DarwinUtils.h @ 11207

Revision 11207, 4.7 kB (checked in by robert, 3 years ago)

Refactored the initialization of OSX windowing settings so that it's done on demand rather than on startup.

  • Property svn:executable set to *
Line 
1/*
2 *  DarwinUtils.h
3 *  OpenSceneGraph
4 *
5 *  Created by Stephan Huber on 27.06.08.
6 *  Copyright 2008 Stephan Maximilian Huber, digital mind. All rights reserved.
7 *
8 */
9
10#ifdef __APPLE__
11 
12#ifndef DARWIN_UTILS_HEADER_
13#define DARWIN_UTILS_HEADER_
14
15#include <osg/DeleteHandler>
16#include <osg/GraphicsContext>
17#include <osgViewer/GraphicsWindow>
18#include <Carbon/Carbon.h>
19
20
21//#define USE_DARWIN_COCOA_IMPLEMENTATION 1
22//#define USE_DARWIN_CARBON_IMPLEMENTATION 1
23
24namespace osgDarwin {
25
26
27/** the MenubarController class checks all open windows if they intersect with the menubar / dock and hide the menubar/dock if necessary */
28class MenubarController : public osg::Referenced
29{
30
31    public:
32        class WindowAdapter : public osg::Referenced {
33           
34            public:
35                WindowAdapter() : osg::Referenced() {}
36               
37                virtual bool valid() = 0;
38                virtual void getWindowBounds(CGRect& rect) = 0;
39                virtual osgViewer::GraphicsWindow* getWindow() = 0;
40               
41            protected:
42                virtual ~WindowAdapter() {}
43        };
44       
45        MenubarController();       
46        static MenubarController* instance();
47       
48        void attachWindow(WindowAdapter* win);
49        void update();
50        void detachWindow(osgViewer::GraphicsWindow* win);
51       
52    private:
53        typedef std::list< osg::ref_ptr< WindowAdapter > > WindowList;
54        WindowList          _list;
55        bool                _menubarShown;
56        CGRect              _availRect;
57        CGRect              _mainScreenBounds;
58        OpenThreads::Mutex  _mutex;
59       
60};
61
62
63
64struct DarwinWindowingSystemInterface : public osg::GraphicsContext::WindowingSystemInterface
65{
66    public:
67        DarwinWindowingSystemInterface();
68
69        /** dtor */
70        ~DarwinWindowingSystemInterface();
71
72        /** @return a CGDirectDisplayID for a ScreenIdentifier */
73        CGDirectDisplayID getDisplayID(const osg::GraphicsContext::ScreenIdentifier& si);
74
75        /** @return count of attached screens */
76        virtual unsigned int getNumScreens(const osg::GraphicsContext::ScreenIdentifier& si) ;
77
78        virtual void getScreenSettings(const osg::GraphicsContext::ScreenIdentifier& si, osg::GraphicsContext::ScreenSettings & resolution);
79
80        virtual void enumerateScreenSettings(const osg::GraphicsContext::ScreenIdentifier& screenIdentifier, osg::GraphicsContext::ScreenSettingsList & resolutionList);
81       
82        virtual bool setScreenSettings (const osg::GraphicsContext::ScreenIdentifier & si, const osg::GraphicsContext::ScreenSettings & settings);
83
84        /** return the top left coord of a specific screen in global screen space */
85        void getScreenTopLeft(const osg::GraphicsContext::ScreenIdentifier& si, int& x, int& y);
86
87       
88
89        /** returns screen-ndx containing rect x,y,w,h */
90        unsigned int getScreenContaining(int x, int y, int w, int h);
91   
92    protected:
93
94        virtual void _init();
95
96        /** implementation of setScreenResolution */
97        bool setScreenResolutionImpl(const osg::GraphicsContext::ScreenIdentifier& screenIdentifier, unsigned int width, unsigned int height) ;
98
99        /** implementation of setScreenRefreshRate */
100        bool setScreenRefreshRateImpl(const osg::GraphicsContext::ScreenIdentifier& screenIdentifier, double refreshRate);
101
102   
103        template<class PixelBufferImplementation, class GraphicsWindowImplementation>
104        osg::GraphicsContext* createGraphicsContextImplementation(osg::GraphicsContext::Traits* traits)
105        {
106            if (traits->pbuffer)
107            {
108                osg::ref_ptr<PixelBufferImplementation> pbuffer = new PixelBufferImplementation(traits);
109                if (pbuffer->valid()) return pbuffer.release();
110                else return 0;
111            }
112            else
113            {
114                osg::ref_ptr<GraphicsWindowImplementation> window = new GraphicsWindowImplementation(traits);
115                if (window->valid()) return window.release();
116                else return 0;
117            }
118        }
119   
120   
121    private:
122
123        bool                  _initialized;
124        CGDisplayCount        _displayCount;
125        CGDirectDisplayID*    _displayIds;
126
127
128};
129
130template <class WSI>
131struct RegisterWindowingSystemInterfaceProxy
132{
133    RegisterWindowingSystemInterfaceProxy()
134    {
135        osg::GraphicsContext::setWindowingSystemInterface(new WSI);
136    }
137
138    ~RegisterWindowingSystemInterfaceProxy()
139    {
140        if (osg::Referenced::getDeleteHandler())
141        {
142            osg::Referenced::getDeleteHandler()->setNumFramesToRetainObjects(0);
143            osg::Referenced::getDeleteHandler()->flushAll();
144        }
145
146        osg::GraphicsContext::setWindowingSystemInterface(0);
147    }
148};
149
150
151
152}
153
154#endif
155
156#endif // __APPLE__
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