always properly check if SeekI() calls succeded; this makes CanRead() functions of...

[wxWidgets.git] / src / common / init.cpp

diff --git a/src/common/init.cpp b/src/common/init.cpp
index e699699702c36e7e5b9bd08e748b76882f2cd7e3..d9d3cf0dc70d01f147b5cead787a978fcc8d22d1 100644 (file)
--- a/src/common/init.cpp
+++ b/src/common/init.cpp
@@ -27,12 +27,12 @@
     #include "wx/app.h"
     #include "wx/filefn.h"
     #include "wx/log.h"
-    #include "wx/thread.h"
     #include "wx/intl.h"
     #include "wx/module.h"
 #endif
 
 #include "wx/init.h"
+#include "wx/thread.h"
 
 #include "wx/ptr_scpd.h"
 #include "wx/except.h"
@@ -176,14 +176,27 @@ static struct InitData
 static void ConvertArgsToUnicode(int argc, char **argv)
 {
     gs_initData.argv = new wchar_t *[argc + 1];
+    int wargc = 0;
     for ( int i = 0; i < argc; i++ )
     {
+#ifdef __DARWIN__
+        wxWCharBuffer buf(wxConvFileName->cMB2WX(argv[i]));
+#else
         wxWCharBuffer buf(wxConvLocal.cMB2WX(argv[i]));
-        gs_initData.argv[i] = buf ? wxStrdup(buf) : NULL;
+#endif
+        if ( !buf )
+        {
+            wxLogWarning(_("Command line argument %d couldn't be converted to Unicode and will be ignored."),
+                         i);
+        }
+        else // converted ok
+        {
+            gs_initData.argv[wargc++] = wxStrdup(buf);
+        }
     }
 
-    gs_initData.argc = argc;
-    gs_initData.argv[argc] = NULL;
+    gs_initData.argc = wargc;
+    gs_initData.argv[wargc] = NULL;
 }
 
 static void FreeConvertedArgs()
@@ -211,6 +224,9 @@ static void FreeConvertedArgs()
 static bool DoCommonPreInit()
 {
 #if wxUSE_LOG
+    // Reset logging in case we were cleaned up and are being reinitialized.
+    wxLog::DoCreateOnDemand();
+
     // install temporary log sink: we can't use wxLogGui before wxApp is
     // constructed and if we use wxLogStderr, all messages during
     // initialization simply disappear under Windows
@@ -233,6 +249,44 @@ static bool DoCommonPostInit()
         return false;
     }
 
+#if defined(__WXDEBUG__)
+    // check if event classes implement Clone() correctly
+    // NOTE: the check is done against _all_ event classes which are linked to
+    //       the executable currently running, which are not necessarily all
+    //       wxWidgets event classes.
+    const wxClassInfo *ci = wxClassInfo::GetFirst();
+    for (; ci; ci = ci->GetNext())
+    {
+        // is this class derived from wxEvent?
+        if (!ci->IsKindOf(CLASSINFO(wxEvent)) || wxString(ci->GetClassName()) == "wxEvent")
+            continue;
+
+        if (!ci->IsDynamic())
+        {
+            wxLogWarning("The event class '%s' should have a DECLARE_DYNAMIC_CLASS macro!",
+                         ci->GetClassName());
+            continue;
+        }
+
+        // yes; test if it implements Clone() correctly
+        wxEvent* test = wxDynamicCast(ci->CreateObject(),wxEvent);
+        if (test == NULL)
+        {
+            wxLogWarning("The event class '%s' should have a DECLARE_DYNAMIC_CLASS macro!",
+                         ci->GetClassName());
+            continue;
+        }
+
+        wxEvent* cloned = test->Clone();
+        if (!cloned || cloned->GetClassInfo() != ci)
+            wxLogWarning("The event class '%s' does not correctly implement Clone()!",
+                         ci->GetClassName());
+
+        delete cloned;
+        delete test;
+    }
+#endif
+
     return true;
 }
 
@@ -282,6 +336,12 @@ bool wxEntryStart(int& argc, wxChar **argv)
         return false;
     }
 
+    // remember, possibly modified (e.g. due to removal of toolkit-specific
+    // parameters), command line arguments in member variables
+    app->argc = argc;
+    app->argv = argv;
+
+
     wxCallAppCleanup callAppCleanup(app.get());
 
     // for compatibility call the old initialization function too
@@ -320,7 +380,7 @@ bool wxEntryStart(int& argc, char **argv)
 {
     ConvertArgsToUnicode(argc, argv);
 
-    if ( !wxEntryStart(argc, gs_initData.argv) )
+    if ( !wxEntryStart(gs_initData.argc, gs_initData.argv) )
     {
         FreeConvertedArgs();
 
@@ -382,8 +442,12 @@ void wxEntryCleanup()
     {
         wxTheApp->CleanUp();
 
-        delete wxTheApp;
+        // reset the global pointer to it to NULL before destroying it as in
+        // some circumstances this can result in executing the code using
+        // wxTheApp and using half-destroyed object is no good
+        wxAppConsole * const app = wxApp::GetInstance();
         wxApp::SetInstance(NULL);
+        delete app;
     }
 
 
@@ -449,7 +513,7 @@ int wxEntry(int& argc, char **argv)
 {
     ConvertArgsToUnicode(argc, argv);
 
-    return wxEntry(argc, gs_initData.argv);
+    return wxEntry(gs_initData.argc, gs_initData.argv);
 }
 
 #endif // wxUSE_UNICODE