00001 // Filename: winGraphicsPipe.h 00002 // Created by: drose (20Dec02) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved 00008 // 00009 // All use of this software is subject to the terms of the Panda 3d 00010 // Software license. You should have received a copy of this license 00011 // along with this source code; you will also find a current copy of 00012 // the license at http://www.panda3d.org/license.txt . 00013 // 00014 // To contact the maintainers of this program write to 00015 // panda3d@yahoogroups.com . 00016 // 00017 //////////////////////////////////////////////////////////////////// 00018 00019 #ifndef WINGRAPHICSPIPE_H 00020 #define WINGRAPHICSPIPE_H 00021 00022 #include "pandabase.h" 00023 #include "graphicsPipe.h" 00024 #include "winGraphicsWindow.h" 00025 00026 //////////////////////////////////////////////////////////////////// 00027 // Class : WinGraphicsPipe 00028 // Description : This is an abstract base class for wglGraphicsPipe 00029 // and wdxGraphicsPipe; that is, those graphics pipes 00030 // that are specialized for working with Microsoft 00031 // Windows. 00032 // 00033 // There isn't much code here, since most of the fancy 00034 // stuff is handled in WinGraphicsWindow. You could 00035 // make a case that we don't even need a WinGraphicsPipe 00036 // class at all, but it is provided mainly for 00037 // completeness. 00038 //////////////////////////////////////////////////////////////////// 00039 class EXPCL_PANDAWIN WinGraphicsPipe : public GraphicsPipe { 00040 public: 00041 WinGraphicsPipe(); 00042 virtual ~WinGraphicsPipe(); 00043 00044 private: 00045 HINSTANCE _hUser32; 00046 typedef BOOL (WINAPI *PFN_TRACKMOUSEEVENT)(LPTRACKMOUSEEVENT); 00047 PFN_TRACKMOUSEEVENT _pfnTrackMouseEvent; 00048 00049 public: 00050 static TypeHandle get_class_type() { 00051 return _type_handle; 00052 } 00053 static void init_type() { 00054 GraphicsPipe::init_type(); 00055 register_type(_type_handle, "WinGraphicsPipe", 00056 GraphicsPipe::get_class_type()); 00057 } 00058 virtual TypeHandle get_type() const { 00059 return get_class_type(); 00060 } 00061 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00062 00063 private: 00064 static TypeHandle _type_handle; 00065 00066 friend class WinGraphicsWindow; 00067 }; 00068 00069 extern EXPCL_PANDAWIN bool MyLoadLib(HINSTANCE &hDLL, const char *DLLname); 00070 extern EXPCL_PANDAWIN bool MyGetProcAddr(HINSTANCE hDLL, FARPROC *pFn, const char *szExportedFnName); 00071 00072 #include "winGraphicsPipe.I" 00073 00074 #endif