00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id: G4Win32.cc,v 1.9 2006/06/29 19:10:26 gunter Exp $ 00028 // GEANT4 tag $Name: geant4-08-01-patch-01 $ 00029 // 00030 // G.Barrand 00031 00032 #if defined(G4INTY_BUILD_WIN32) || defined(G4INTY_USE_WIN32) 00033 00034 // this : 00035 #include "G4Win32.hh" 00036 00037 #include "G4ios.hh" 00038 00039 static char className[] = "G4Win32"; 00040 00041 G4Win32* G4Win32::instance = NULL; 00042 00043 static G4bool Win32Inited = FALSE; 00044 static HWND topWindow = NULL; 00045 /***************************************************************************/ 00046 G4Win32* G4Win32::getInstance ( 00047 ) 00048 /***************************************************************************/ 00050 { 00051 if (instance==NULL) { 00052 instance = new G4Win32(); 00053 } 00054 return instance; 00055 } 00056 /***************************************************************************/ 00057 G4Win32::G4Win32 ( 00058 ) 00059 /***************************************************************************/ 00061 { 00062 if(Win32Inited==FALSE) { // Should be Done once. 00063 00064 WNDCLASS wc; 00065 wc.style = CS_HREDRAW | CS_VREDRAW; 00066 wc.lpfnWndProc = (WNDPROC)DefWindowProc; 00067 wc.cbClsExtra = 0; 00068 wc.cbWndExtra = 0; 00069 wc.hInstance = ::GetModuleHandle(NULL); 00070 wc.hIcon = LoadIcon (NULL,IDI_APPLICATION); 00071 wc.hCursor = LoadCursor(NULL,IDC_ARROW); 00072 wc.hbrBackground = GetStockBrush(BLACK_BRUSH); 00073 wc.lpszMenuName = className; 00074 wc.lpszClassName = className; 00075 ::RegisterClass (&wc); 00076 00077 topWindow = ::CreateWindow(className,className, 00078 WS_OVERLAPPEDWINDOW, 00079 CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, 00080 NULL, NULL, 00081 ::GetModuleHandle(NULL), 00082 NULL); 00083 00084 if(topWindow==NULL) { 00085 G4cout << "G4Win32 : Unable to create Win32 window." << G4endl; 00086 } 00087 00088 Win32Inited = TRUE; 00089 } 00090 00091 AddDispatcher((G4DispatchFunction)G4Win32::dispatchWin32Event); 00092 SetMainInteractor(topWindow); 00093 } 00094 /***************************************************************************/ 00095 G4Win32::~G4Win32 ( 00096 ) 00097 /***************************************************************************/ 00099 { 00100 if(this==instance) { 00101 instance = NULL; 00102 } 00103 } 00104 /***************************************************************************/ 00105 G4bool G4Win32::Inited ( 00106 ) 00107 /***************************************************************************/ 00109 { 00110 return Win32Inited; 00111 } 00112 /***************************************************************************/ 00113 void* G4Win32::GetEvent ( 00114 ) 00115 /***************************************************************************/ 00117 { 00118 static MSG event; 00119 BOOL status = ::GetMessage(&event, NULL, 0, 0); 00120 if(status==FALSE) return NULL; 00121 return &event; 00122 } 00123 /***************************************************************************/ 00124 void G4Win32::FlushAndWaitExecution ( 00125 ) 00126 /***************************************************************************/ 00128 { 00129 MSG event; 00130 while ( ::PeekMessage(&event, NULL, 0, 0, PM_REMOVE) ) { 00131 ::TranslateMessage(&event); 00132 ::DispatchMessage (&event); 00133 } 00134 } 00135 /***************************************************************************/ 00136 G4bool G4Win32::dispatchWin32Event ( 00137 void* a_event 00138 ) 00139 /***************************************************************************/ 00141 { 00142 ::TranslateMessage((MSG*)a_event); 00143 ::DispatchMessage ((MSG*)a_event); 00144 return TRUE; 00145 } 00146 00147 #endif //HAS_WIN32 00148