| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: common/init.cpp |
| 3 | // Purpose: initialisation for the library |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 04.10.99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Vadim Zeitlin |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | #include "wx/wxprec.h" |
| 21 | |
| 22 | #ifdef __BORLANDC__ |
| 23 | #pragma hdrstop |
| 24 | #endif //__BORLANDC__ |
| 25 | |
| 26 | #ifndef WX_PRECOMP |
| 27 | #include "wx/app.h" |
| 28 | #include "wx/debug.h" |
| 29 | #include "wx/filefn.h" |
| 30 | #endif |
| 31 | |
| 32 | #include "wx/module.h" |
| 33 | |
| 34 | // ---------------------------------------------------------------------------- |
| 35 | // global vars |
| 36 | // ---------------------------------------------------------------------------- |
| 37 | |
| 38 | WXDLLEXPORT wxApp *wxTheApp = NULL; |
| 39 | |
| 40 | wxAppInitializerFunction |
| 41 | wxAppBase::m_appInitFn = (wxAppInitializerFunction)NULL; |
| 42 | |
| 43 | // ---------------------------------------------------------------------------- |
| 44 | // private classes |
| 45 | // ---------------------------------------------------------------------------- |
| 46 | |
| 47 | class /* no WXDLLEXPORT */ wxConsoleApp : public wxApp |
| 48 | { |
| 49 | public: |
| 50 | virtual int OnRun() { wxFAIL_MSG(wxT("unreachable")); return 0; } |
| 51 | }; |
| 52 | |
| 53 | // ---------------------------------------------------------------------------- |
| 54 | // private functions |
| 55 | // ---------------------------------------------------------------------------- |
| 56 | |
| 57 | static bool DoInit(); |
| 58 | static void DoCleanUp(); |
| 59 | |
| 60 | // ---------------------------------------------------------------------------- |
| 61 | // private vars |
| 62 | // ---------------------------------------------------------------------------- |
| 63 | |
| 64 | static size_t gs_nInitCount = 0; |
| 65 | |
| 66 | // ============================================================================ |
| 67 | // implementation |
| 68 | // ============================================================================ |
| 69 | |
| 70 | // ---------------------------------------------------------------------------- |
| 71 | // stubs for some GUI functions |
| 72 | // ---------------------------------------------------------------------------- |
| 73 | |
| 74 | void WXDLLEXPORT wxExit() |
| 75 | { |
| 76 | abort(); |
| 77 | } |
| 78 | |
| 79 | // Yield to other apps/messages |
| 80 | bool WXDLLEXPORT wxYield() |
| 81 | { |
| 82 | // do nothing |
| 83 | return TRUE; |
| 84 | } |
| 85 | |
| 86 | // Yield to other apps/messages |
| 87 | void WXDLLEXPORT wxWakeUpIdle() |
| 88 | { |
| 89 | // do nothing |
| 90 | } |
| 91 | |
| 92 | // ---------------------------------------------------------------------------- |
| 93 | // wxBase-specific functions |
| 94 | // ---------------------------------------------------------------------------- |
| 95 | |
| 96 | bool WXDLLEXPORT wxInitialize() |
| 97 | { |
| 98 | if ( gs_nInitCount ) |
| 99 | { |
| 100 | // already initialized |
| 101 | return TRUE; |
| 102 | } |
| 103 | |
| 104 | wxASSERT_MSG( !wxTheApp, |
| 105 | wxT("either call wxInitialize or create app, not both!") ); |
| 106 | |
| 107 | if ( !DoInit() ) |
| 108 | { |
| 109 | return FALSE; |
| 110 | } |
| 111 | |
| 112 | wxTheApp = new wxConsoleApp; |
| 113 | |
| 114 | if ( !wxTheApp ) |
| 115 | { |
| 116 | return FALSE; |
| 117 | } |
| 118 | |
| 119 | gs_nInitCount++; |
| 120 | |
| 121 | return TRUE; |
| 122 | } |
| 123 | |
| 124 | void WXDLLEXPORT wxUninitialize() |
| 125 | { |
| 126 | if ( !--gs_nInitCount ) |
| 127 | { |
| 128 | DoCleanUp(); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | int wxEntry(int argc, char **argv) |
| 133 | { |
| 134 | // library initialization |
| 135 | if ( !DoInit() ) |
| 136 | { |
| 137 | return -1; |
| 138 | } |
| 139 | |
| 140 | // create the app |
| 141 | if ( !wxTheApp ) |
| 142 | { |
| 143 | wxCHECK_MSG( wxApp::GetInitializerFunction(), -1, |
| 144 | wxT("No application object: use IMPLEMENT_APP macro.") ); |
| 145 | |
| 146 | wxAppInitializerFunction fnCreate = wxApp::GetInitializerFunction(); |
| 147 | |
| 148 | wxTheApp = (wxApp *)fnCreate(); |
| 149 | } |
| 150 | |
| 151 | wxCHECK_MSG( wxTheApp, -1, wxT("wxWindows error: no application object") ); |
| 152 | |
| 153 | // app preinitialization |
| 154 | wxTheApp->argc = argc; |
| 155 | |
| 156 | #if wxUSE_UNICODE |
| 157 | wxTheApp->argv = new wxChar*[argc+1]; |
| 158 | int mb_argc = 0; |
| 159 | while (mb_argc < argc) |
| 160 | { |
| 161 | wxTheApp->argv[mb_argc] = wxStrdup(wxConvLibc.cMB2WX(argv[mb_argc])); |
| 162 | mb_argc++; |
| 163 | } |
| 164 | wxTheApp->argv[mb_argc] = (wxChar *)NULL; |
| 165 | #else |
| 166 | wxTheApp->argv = argv; |
| 167 | #endif |
| 168 | |
| 169 | wxString name = wxFileNameFromPath(argv[0]); |
| 170 | wxStripExtension(name); |
| 171 | wxTheApp->SetAppName(name); |
| 172 | |
| 173 | int retValue = 0; |
| 174 | |
| 175 | // app initialization |
| 176 | if ( !wxTheApp->OnInit() ) |
| 177 | retValue = -1; |
| 178 | |
| 179 | // app execution |
| 180 | if ( retValue == 0 ) |
| 181 | { |
| 182 | retValue = wxTheApp->OnRun(); |
| 183 | |
| 184 | // app clean up |
| 185 | wxTheApp->OnExit(); |
| 186 | } |
| 187 | |
| 188 | // library clean up |
| 189 | DoCleanUp(); |
| 190 | |
| 191 | return retValue; |
| 192 | } |
| 193 | |
| 194 | // ---------------------------------------------------------------------------- |
| 195 | // private functions |
| 196 | // ---------------------------------------------------------------------------- |
| 197 | |
| 198 | static bool DoInit() |
| 199 | { |
| 200 | wxClassInfo::InitializeClasses(); |
| 201 | |
| 202 | wxModule::RegisterModules(); |
| 203 | if ( !wxModule::InitializeModules() ) |
| 204 | { |
| 205 | return FALSE; |
| 206 | } |
| 207 | |
| 208 | return TRUE; |
| 209 | } |
| 210 | |
| 211 | static void DoCleanUp() |
| 212 | { |
| 213 | #if wxUSE_LOG |
| 214 | // flush the logged messages if any |
| 215 | wxLog *log = wxLog::GetActiveTarget(); |
| 216 | if (log != NULL && log->HasPendingMessages()) |
| 217 | log->Flush(); |
| 218 | |
| 219 | // continuing to use user defined log target is unsafe from now on because |
| 220 | // some resources may be already unavailable, so replace it by something |
| 221 | // more safe |
| 222 | wxLog::DontCreateOnDemand(); |
| 223 | delete wxLog::SetActiveTarget(new wxLogStderr); |
| 224 | #endif // wxUSE_LOG |
| 225 | |
| 226 | wxModule::CleanUpModules(); |
| 227 | |
| 228 | wxClassInfo::CleanUpClasses(); |
| 229 | |
| 230 | // delete the application object |
| 231 | delete wxTheApp; |
| 232 | wxTheApp = (wxApp *)NULL; |
| 233 | |
| 234 | #if wxUSE_LOG |
| 235 | // and now delete the last logger as well |
| 236 | delete wxLog::SetActiveTarget(NULL); |
| 237 | #endif // wxUSE_LOG |
| 238 | } |