fix child window redraw glitches during scrolling (bug 1944002)

[wxWidgets.git] / src / msw / main.cpp

diff --git a/src/msw/main.cpp b/src/msw/main.cpp
index c86c0909eb4faffce814882a47d9e5b69faa4cf7..2142d05acebc87531cc09ced14fdea7b599ade73 100644 (file)
--- a/src/msw/main.cpp
+++ b/src/msw/main.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        msw/main.cpp
+// Name:        src/msw/main.cpp
 // Purpose:     WinMain/DllMain
 // Author:      Julian Smart
 // Modified by:
@@ -24,8 +24,12 @@
     #pragma hdrstop
 #endif
 
-#include "wx/event.h"
-#include "wx/app.h"
+#ifndef WX_PRECOMP
+    #include "wx/event.h"
+    #include "wx/app.h"
+    #include "wx/utils.h"
+#endif //WX_PRECOMP
+
 #include "wx/cmdline.h"
 #include "wx/scopeguard.h"
 
@@ -57,6 +61,7 @@
 
 // defined in common/init.cpp
 extern int wxEntryReal(int& argc, wxChar **argv);
+extern int wxEntryCleanupReal(int& argc, wxChar **argv);
 
 // ============================================================================
 // implementation: various entry points
@@ -75,8 +80,8 @@ extern int wxEntryReal(int& argc, wxChar **argv);
 
     // this warns that /EHa (async exceptions) should be used when using
     // _set_se_translator but, in fact, this doesn't seem to change anything
-    // with VC++ up to 7.1 -- to be confirmed with VC++ 8
-    #if _MSC_VER <= 1310
+    // with VC++ up to 8.0
+    #if _MSC_VER <= 1400
         #pragma warning(disable:4535)
     #endif
 
@@ -181,7 +186,7 @@ bool wxHandleFatalExceptions(bool doit)
         wxString name = wxString::Format
                         (
                             _T("%s_%s_%lu.dmp"),
-                            wxTheApp ? wxTheApp->GetAppName().c_str()
+                            wxTheApp ? (const wxChar*)wxTheApp->GetAppDisplayName().c_str()
                                      : _T("wxwindows"),
                             wxDateTime::Now().Format(_T("%Y%m%dT%H%M%S")).c_str(),
                             ::GetCurrentProcessId()
@@ -244,10 +249,10 @@ static bool wxIsUnicodeAvailable()
 {
     static const wchar_t *ERROR_STRING = L"wxWidgets Fatal Error";
 
-    if ( wxGetOsVersion() != wxWINDOWS_NT )
+    if ( wxGetOsVersion() != wxOS_WINDOWS_NT )
     {
         // we need to be built with MSLU support
-#if !wxUSE_UNICODE_MSLU 
+#if !wxUSE_UNICODE_MSLU
         // note that we can use MessageBoxW() as it's implemented even under
         // Win9x - OTOH, we can't use wxGetTranslation() because the file APIs
         // used by wxLocale are not
@@ -315,31 +320,56 @@ static bool wxIsUnicodeAvailable()
 // Windows-specific wxEntry
 // ----------------------------------------------------------------------------
 
-// helper function used to clean up in wxEntry() just below
-//
-// notice that argv elements are supposed to be allocated using malloc() while
-// argv array itself is allocated with new
-static void wxFreeArgs(int argc, wxChar **argv)
+struct wxMSWCommandLineArguments
 {
-    for ( int i = 0; i < argc; i++ )
+    wxMSWCommandLineArguments() { argc = 0; argv = NULL; }
+
+    void Init(const wxArrayString& args)
     {
-        free(argv[i]);
+        argc = args.size();
+
+        // +1 here for the terminating NULL
+        argv = new wxChar *[argc + 1];
+        for ( int i = 0; i < argc; i++ )
+        {
+            argv[i] = wxStrdup(args[i].wx_str());
+        }
+
+        // argv[] must be NULL-terminated
+        argv[argc] = NULL;
     }
 
-    delete [] argv;
-}
+    void Free()
+    {
+        if ( !argc )
+            return;
 
-WXDLLEXPORT int wxEntry(HINSTANCE hInstance,
-                        HINSTANCE WXUNUSED(hPrevInstance),
-                        wxCmdLineArgType WXUNUSED(pCmdLine),
-                        int nCmdShow)
+        for ( int i = 0; i < argc; i++ )
+        {
+            free(argv[i]);
+        }
+
+        delete [] argv;
+        argv = NULL;
+        argc = 0;
+    }
+
+    int argc;
+    wxChar **argv;
+};
+
+static wxMSWCommandLineArguments wxArgs;
+
+// common part of wxMSW-specific wxEntryStart() and wxEntry() overloads
+static bool
+wxMSWEntryCommon(HINSTANCE hInstance, int nCmdShow)
 {
     // the first thing to do is to check if we're trying to run an Unicode
     // program under Win9x w/o MSLU emulation layer - if so, abort right now
     // as it has no chance to work and has all chances to crash
 #ifdef NEED_UNICODE_CHECK
     if ( !wxIsUnicodeAvailable() )
-        return -1;
+        return false;
 #endif // NEED_UNICODE_CHECK
 
 
@@ -365,21 +395,33 @@ WXDLLEXPORT int wxEntry(HINSTANCE hInstance,
     args.Insert(wxGetFullModuleName(), 0);
 #endif
 
-    int argc = args.GetCount();
+    wxArgs.Init(args);
 
-    // +1 here for the terminating NULL
-    wxChar **argv = new wxChar *[argc + 1];
-    for ( int i = 0; i < argc; i++ )
-    {
-        argv[i] = wxStrdup(args[i]);
-    }
+    return true;
+}
+
+WXDLLEXPORT bool wxEntryStart(HINSTANCE hInstance,
+                              HINSTANCE WXUNUSED(hPrevInstance),
+                              wxCmdLineArgType WXUNUSED(pCmdLine),
+                              int nCmdShow)
+{
+    if ( !wxMSWEntryCommon(hInstance, nCmdShow) )
+       return false;
 
-    // argv[] must be NULL-terminated
-    argv[argc] = NULL;
+    return wxEntryStart(wxArgs.argc, wxArgs.argv);
+}
 
-    wxON_BLOCK_EXIT2(wxFreeArgs, argc, argv);
+WXDLLEXPORT int wxEntry(HINSTANCE hInstance,
+                        HINSTANCE WXUNUSED(hPrevInstance),
+                        wxCmdLineArgType WXUNUSED(pCmdLine),
+                        int nCmdShow)
+{
+    if ( !wxMSWEntryCommon(hInstance, nCmdShow) )
+        return -1;
 
-    return wxEntry(argc, argv);
+    wxON_BLOCK_EXIT_OBJ0(wxArgs, wxMSWCommandLineArguments::Free);
+
+    return wxEntry(wxArgs.argc, wxArgs.argv);
 }
 
 #endif // wxUSE_GUI && __WXMSW__
@@ -403,4 +445,3 @@ void wxSetInstance(HINSTANCE hInst)
 }
 
 #endif // wxUSE_BASE
-