]>
Commit | Line | Data |
---|---|---|
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 | wxApp * WXDLLEXPORT 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 | } |