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00001 00002 // MathGUI = a WYSIWYG equation editor + a powerful math engine // 00003 // Copyright (C) 2003 by Francesco Montorsi // 00004 // // 00005 // This library is free software; you can redistribute it and/or // 00006 // modify it under the terms of the GNU Lesser General Public // 00007 // License as published by the Free Software Foundation; either // 00008 // version 2.1 of the License, or (at your option) any later // 00009 // version. // 00010 // // 00011 // This library is distributed in the hope that it will be useful, // 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of // 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // 00014 // GNU Lesser General Public License for more details. // 00015 // // 00016 // You should have received a copy of the GNU Lesser General Public // 00017 // License along with this program; if not, write to the Free // 00018 // Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, // 00019 // MA 02111-1307, USA. // 00020 // // 00021 // For any comment, suggestion or feature request, please contact // 00022 // the administrator of the project at frm@users.sourceforge.net // 00023 // // 00030 00031 00032 00033 // optimization for GCC compiler 00034 #ifdef __GNUG__ 00035 #pragma implementation "GUIUtils.h" 00036 #endif 00037 00038 00039 // includes 00040 #include "mg/mgprec.h" 00041 #include <wx/mimetype.h> // not included by wxprec.h 00042 00043 #ifndef mgPRECOMP 00044 #include "mg/GUIUtils.h" 00045 #endif 00046 00047 00048 00051 //wxTimer *g_pFrameTmr; 00052 00053 00054 00055 // ---------------------------------------------------------------------------- 00056 // GLOBAL FUNCTIONS 00057 // ---------------------------------------------------------------------------- 00058 00059 bool wxViewHTMLFile(const wxString& url) 00060 { 00061 wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension(wxT("html")); 00062 00063 if (!ft) { 00064 wxLogError(wxT("Impossible to determine the file type for extension html.") 00065 wxT("Please edit your MIME types.")); 00066 return FALSE; 00067 } 00068 00069 00070 wxString cmd; 00071 bool ok = ft->GetOpenCommand(&cmd, 00072 wxFileType::MessageParameters(url, _T(""))); 00073 delete ft; 00074 00075 if (!ok) { 00076 00077 // TODO: some kind of configuration dialog here. 00078 wxMessageBox(_("Could not determine the command for running the browser."), 00079 wxT("Browsing problem"), wxOK|wxICON_EXCLAMATION); 00080 return FALSE; 00081 } 00082 00083 // GetOpenCommand can prepend file:// even if it already has http:// 00084 if (cmd.Find(wxT("http://")) != -1 || cmd.Find(wxT("https://")) != -1) 00085 cmd.Replace(wxT("file://"), wxT("")); 00086 00087 // try to exec the command 00088 return (wxExecute(cmd, FALSE) != 0); 00089 } 00090 00091 00092 00093 00094 // ---------------------------------------------------------------------------- 00095 // LOG FUNCTIONS 00096 // ---------------------------------------------------------------------------- 00097 00098 #ifdef mgENABLE_LOG 00099 00100 // log functions can't allocate memory (LogError("out of memory...") should 00101 // work!), so we use a static buffer for all log messages 00102 #define LOG_BUFFER_SIZE (4096) 00103 00104 // static buffer for error messages 00105 static wxChar smg_szBufStatic[LOG_BUFFER_SIZE]; 00106 00107 static wxChar *smg_szBuf = smg_szBufStatic; 00108 static size_t smg_szBufSize = WXSIZEOF( smg_szBufStatic ); 00109 00110 #if wxUSE_THREADS 00111 00112 // the critical section protecting the static buffer 00113 static wxCriticalSection gsmg_csLogBuf; 00114 00115 #endif // wxUSE_THREADS 00116 00117 // return true if we have a non NULL non disabled log target 00118 static inline bool IsMGLoggingEnabled() 00119 { return wxLog::IsEnabled() && (wxLog::GetActiveTarget() != NULL); } 00120 00121 00122 #define IMPLEMENT_MATHGUI_LOG_FUNCTION(level) \ 00123 void mgVLog##level(const wxChar *szFormat, va_list argptr) \ 00124 { \ 00125 if ( IsMGLoggingEnabled() ) { \ 00126 wxCRIT_SECT_LOCKER(locker, gsmg_csLogBuf); \ 00127 \ 00128 wxVsnprintf(smg_szBuf, smg_szBufSize, szFormat, argptr); \ 00129 \ 00130 wxLog::OnLog(mgLOG_##level, smg_szBuf, time(NULL)); \ 00131 } \ 00132 } \ 00133 void mgLog##level(const wxChar *szFormat, ...) \ 00134 { \ 00135 va_list argptr; \ 00136 va_start(argptr, szFormat); \ 00137 mgVLog##level(szFormat, argptr); \ 00138 va_end(argptr); \ 00139 } 00140 00141 00142 00143 IMPLEMENT_MATHGUI_LOG_FUNCTION(Debug) 00144 IMPLEMENT_MATHGUI_LOG_FUNCTION(Event) 00145 IMPLEMENT_MATHGUI_LOG_FUNCTION(BoxEvent) 00146 00147 #endif // mgENABLE_LOG 00148 00149 00150
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