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iPhoneGraphicsWindow.h
00001 // Filename: iPhoneGraphicsWindow.h
00002 // Created by:  drose (08Apr09)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef IPHONEGRAPHICSWINDOW_H
00016 #define IPHONEGRAPHICSWINDOW_H
00017 
00018 #include "pandabase.h"
00019 #include "graphicsWindow.h"
00020 #include "buttonHandle.h"
00021 #include "glesgsg.h"
00022 #import "eaglView.h"
00023 
00024 #import <UIKit/UIKit.h>
00025 
00026 ////////////////////////////////////////////////////////////////////
00027 //       Class : IPhoneGraphicsWindow
00028 // Description : An interface to the osx/ system for managing GL
00029 //               windows under X.
00030 ////////////////////////////////////////////////////////////////////
00031 class IPhoneGraphicsWindow : public GraphicsWindow {
00032 public:
00033   IPhoneGraphicsWindow(GraphicsEngine *engine, GraphicsPipe *pipe, 
00034                        const string &name,
00035                        const FrameBufferProperties &fb_prop,
00036                        const WindowProperties &win_prop,
00037                        int flags,
00038                        GraphicsStateGuardian *gsg,
00039                        GraphicsOutput *host);
00040   virtual ~IPhoneGraphicsWindow();
00041 
00042   virtual bool begin_frame(FrameMode mode, Thread *current_thread);
00043   virtual void end_frame(FrameMode mode, Thread *current_thread);
00044   virtual void begin_flip();
00045   virtual void end_flip();
00046   virtual void process_events();
00047 
00048   virtual void set_properties_now(WindowProperties &properties);
00049   virtual void clear_pipe();
00050 
00051   void rotate_window();
00052   void touches_began(NSSet *touches, UIEvent *event);
00053   void touches_moved(NSSet *touches, UIEvent *event);
00054   void touches_ended(NSSet *touches, UIEvent *event);
00055   void touches_cancelled(NSSet *touches, UIEvent *event);
00056 
00057   CGPoint get_average_location(NSSet *touches);
00058 
00059 
00060 protected:
00061   virtual void close_window();
00062   virtual bool open_window();
00063 
00064 private:
00065   void set_pointer_in_window(int x, int y);
00066   void set_pointer_out_of_window();
00067   void handle_button_delta(int num_touches);
00068 
00069 private:
00070   EAGLView *_gl_view; 
00071   int _last_buttons;
00072 
00073 public:
00074   static TypeHandle get_class_type() {
00075     return _type_handle;
00076   }
00077   static void init_type() {
00078     GraphicsWindow::init_type();
00079     register_type(_type_handle, "IPhoneGraphicsWindow",
00080                   GraphicsWindow::get_class_type());
00081   }
00082   virtual TypeHandle get_type() const {
00083     return get_class_type();
00084   }
00085   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00086 
00087 private:
00088   static TypeHandle _type_handle;
00089 };
00090 
00091 #include "iPhoneGraphicsWindow.I"
00092 
00093 #endif
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