Up-ported code to make tree item visible when programmatically

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

diff --git a/src/msw/app.cpp b/src/msw/app.cpp
index 8010fbf6dcbfac2799c8ab9e87e0be13fa7b6a37..f542a094a837011eef29159625ce8b233e3877eb 100644 (file)
--- a/src/msw/app.cpp
+++ b/src/msw/app.cpp
@@ -86,11 +86,13 @@
 #include <string.h>
 #include <ctype.h>
 
 #include <string.h>
 #include <ctype.h>
 

-#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__))
+#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__) || defined(__WXMICROWIN__)) && !defined(__CYGWIN10__))

     #include <commctrl.h>
 #endif
 
     #include <commctrl.h>
 #endif
 

+#ifndef __WXMICROWIN__

 #include "wx/msw/msvcrt.h"
 #include "wx/msw/msvcrt.h"

+#endif

 
 // ----------------------------------------------------------------------------
 // conditional compilation
 
 // ----------------------------------------------------------------------------
 // conditional compilation


@@ -113,7 +115,8 @@
     #define _WIN32_IE 0x0200
 #endif
 
     #define _WIN32_IE 0x0200
 #endif
 

-#if _WIN32_IE >= 0x0300
+#if _WIN32_IE >= 0x0300 \
+    && !( defined(__MINGW32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )

     #include <shlwapi.h>
 #endif
 
     #include <shlwapi.h>
 #endif
 


@@ -122,10 +125,11 @@
 // ---------------------------------------------------------------------------
 
 extern wxChar *wxBuffer;
 // ---------------------------------------------------------------------------
 
 extern wxChar *wxBuffer;

-extern wxChar *wxOsVersion;

 extern wxList *wxWinHandleList;
 extern wxList WXDLLEXPORT wxPendingDelete;
 extern wxList *wxWinHandleList;
 extern wxList WXDLLEXPORT wxPendingDelete;

+#ifndef __WXMICROWIN__

 extern void wxSetKeyboardHook(bool doIt);
 extern void wxSetKeyboardHook(bool doIt);

+#endif

 
 MSG s_currentMsg;
 wxApp *wxTheApp = NULL;
 
 MSG s_currentMsg;
 wxApp *wxTheApp = NULL;


@@ -158,7 +162,9 @@ LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
 // FIXME wxUSE_ON_FATAL_EXCEPTION is only supported for VC++ now because it
 //       needs compiler support for Win32 SEH. Others (especially Borland)
 //       probably have it too, but I'm not sure about how it works
 // FIXME wxUSE_ON_FATAL_EXCEPTION is only supported for VC++ now because it
 //       needs compiler support for Win32 SEH. Others (especially Borland)
 //       probably have it too, but I'm not sure about how it works

-#ifndef __VISUALC__
+// JACS: get 'Cannot use __try in functions that require unwinding
+// in Unicode mode, so disabling.
+#if !defined(__VISUALC__) || defined(__WIN16__) || defined(UNICODE)

     #undef wxUSE_ON_FATAL_EXCEPTION
     #define wxUSE_ON_FATAL_EXCEPTION 0
 #endif // VC++
     #undef wxUSE_ON_FATAL_EXCEPTION
     #define wxUSE_ON_FATAL_EXCEPTION 0
 #endif // VC++


@@ -175,17 +181,38 @@ LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
 // wxApp
 // ---------------------------------------------------------------------------
 
 // wxApp
 // ---------------------------------------------------------------------------
 

-    IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
+IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)

 
 

-    BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
-        EVT_IDLE(wxApp::OnIdle)
-        EVT_END_SESSION(wxApp::OnEndSession)
-        EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
-    END_EVENT_TABLE()
+BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
+    EVT_IDLE(wxApp::OnIdle)
+    EVT_END_SESSION(wxApp::OnEndSession)
+    EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
+END_EVENT_TABLE()

 
 //// Initialize
 bool wxApp::Initialize()
 {
 
 //// Initialize
 bool wxApp::Initialize()
 {

+    // the first thing to do is to check if we're trying to run an Unicode
+    // program under Win9x - if so, abort right now as it has no chance to
+    // work
+#if wxUSE_UNICODE
+    if ( wxGetOsVersion() != wxWINDOWS_NT )
+    {
+        // 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
+        ::MessageBox
+        (
+         NULL,
+         _T("This program uses Unicode and requires Windows NT/2000.\nProgram aborted."),
+         _T("wxWindows Fatal Error"),
+         MB_ICONERROR | MB_OK
+        );
+
+        return FALSE;
+    }
+#endif // wxUSE_UNICODE
+

     // Some people may wish to use this, but
     // probably it shouldn't be here by default.
 #ifdef __WXDEBUG__
     // Some people may wish to use this, but
     // probably it shouldn't be here by default.
 #ifdef __WXDEBUG__


@@ -196,10 +223,6 @@ bool wxApp::Initialize()
 
     wxClassInfo::InitializeClasses();
 
 
     wxClassInfo::InitializeClasses();
 

-#if wxUSE_RESOURCES
-    wxGetResource(wxT("wxWindows"), wxT("OsVersion"), &wxOsVersion);
-#endif
-

 #if wxUSE_THREADS
     wxPendingEventsLocker = new wxCriticalSection;
 #endif
 #if wxUSE_THREADS
     wxPendingEventsLocker = new wxCriticalSection;
 #endif


@@ -216,12 +239,11 @@ bool wxApp::Initialize()
 
     wxBitmap::InitStandardHandlers();
 
 
     wxBitmap::InitStandardHandlers();
 

-#if defined(__WIN95__)
+#if defined(__WIN95__) && !defined(__WXMICROWIN__)

     InitCommonControls();
     InitCommonControls();

-

 #endif // __WIN95__
 
 #endif // __WIN95__
 

-#if wxUSE_OLE
+#if wxUSE_OLE || wxUSE_DRAG_AND_DROP

 
 #ifdef __WIN16__
     // for OLE, enlarge message queue to be as large as possible
 
 #ifdef __WIN16__
     // for OLE, enlarge message queue to be as large as possible


@@ -229,9 +251,11 @@ bool wxApp::Initialize()
     while (!SetMessageQueue(iMsg) && (iMsg -= 8))
         ;
 #endif // Win16
     while (!SetMessageQueue(iMsg) && (iMsg -= 8))
         ;
 #endif // Win16

+

     // we need to initialize OLE library
     if ( FAILED(::OleInitialize(NULL)) )
         wxLogError(_("Cannot initialize OLE"));
     // we need to initialize OLE library
     if ( FAILED(::OleInitialize(NULL)) )
         wxLogError(_("Cannot initialize OLE"));

+

 #endif // wxUSE_OLE
 
 #if wxUSE_CTL3D
 #endif // wxUSE_OLE
 
 #if wxUSE_CTL3D


@@ -239,7 +263,7 @@ bool wxApp::Initialize()
         wxLogError(wxT("Cannot register CTL3D"));
 
     Ctl3dAutoSubclass(wxhInstance);
         wxLogError(wxT("Cannot register CTL3D"));
 
     Ctl3dAutoSubclass(wxhInstance);

-#endif
+#endif // wxUSE_CTL3D

 
     // VZ: these icons are not in wx.rc anyhow (but should they?)!
 #if 0
 
     // VZ: these icons are not in wx.rc anyhow (but should they?)!
 #if 0


@@ -254,6 +278,7 @@ bool wxApp::Initialize()
 
     RegisterWindowClasses();
 
 
     RegisterWindowClasses();
 

+#ifndef __WXMICROWIN__

     // Create the brush for disabling bitmap buttons
 
     LOGBRUSH lb;
     // Create the brush for disabling bitmap buttons
 
     LOGBRUSH lb;


@@ -265,6 +290,7 @@ bool wxApp::Initialize()
         ::DeleteObject( (HGDIOBJ)lb.lbHatch );
     }
     //else: wxWindows resources are probably not linked in
         ::DeleteObject( (HGDIOBJ)lb.lbHatch );
     }
     //else: wxWindows resources are probably not linked in

+#endif

 
 #if wxUSE_PENWINDOWS
     wxRegisterPenWin();
 
 #if wxUSE_PENWINDOWS
     wxRegisterPenWin();


@@ -279,7 +305,9 @@ bool wxApp::Initialize()
     if (wxDummyChar) wxDummyChar++;
 #endif
 
     if (wxDummyChar) wxDummyChar++;
 #endif
 

+#ifndef __WXMICROWIN__

     wxSetKeyboardHook(TRUE);
     wxSetKeyboardHook(TRUE);

+#endif

 
     wxModule::RegisterModules();
     if (!wxModule::InitializeModules())
 
     wxModule::RegisterModules();
     if (!wxModule::InitializeModules())


@@ -319,7 +347,7 @@ bool wxApp::RegisterWindowClasses()
 
     if ( !RegisterClass(&wndclass) )
     {
 
     if ( !RegisterClass(&wndclass) )
     {

-        wxLogLastError("RegisterClass(frame)");
+        wxLogLastError(wxT("RegisterClass(frame)"));

 
         return FALSE;
     }
 
         return FALSE;
     }


@@ -330,7 +358,7 @@ bool wxApp::RegisterWindowClasses()
 
     if ( !RegisterClass(&wndclass) )
     {
 
     if ( !RegisterClass(&wndclass) )
     {

-        wxLogLastError("RegisterClass(no redraw frame)");
+        wxLogLastError(wxT("RegisterClass(no redraw frame)"));

 
         return FALSE;
     }
 
         return FALSE;
     }


@@ -342,7 +370,7 @@ bool wxApp::RegisterWindowClasses()
 
     if ( !RegisterClass(&wndclass) )
     {
 
     if ( !RegisterClass(&wndclass) )
     {

-        wxLogLastError("RegisterClass(MDI parent)");
+        wxLogLastError(wxT("RegisterClass(MDI parent)"));

 
         return FALSE;
     }
 
         return FALSE;
     }


@@ -353,7 +381,7 @@ bool wxApp::RegisterWindowClasses()
 
     if ( !RegisterClass(&wndclass) )
     {
 
     if ( !RegisterClass(&wndclass) )
     {

-        wxLogLastError("RegisterClass(no redraw MDI parent frame)");
+        wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)"));

 
         return FALSE;
     }
 
         return FALSE;
     }


@@ -365,7 +393,7 @@ bool wxApp::RegisterWindowClasses()
 
     if ( !RegisterClass(&wndclass) )
     {
 
     if ( !RegisterClass(&wndclass) )
     {

-        wxLogLastError("RegisterClass(MDI child)");
+        wxLogLastError(wxT("RegisterClass(MDI child)"));

 
         return FALSE;
     }
 
         return FALSE;
     }


@@ -376,7 +404,7 @@ bool wxApp::RegisterWindowClasses()
 
     if ( !RegisterClass(&wndclass) )
     {
 
     if ( !RegisterClass(&wndclass) )
     {

-        wxLogLastError("RegisterClass(no redraw MDI child)");
+        wxLogLastError(wxT("RegisterClass(no redraw MDI child)"));

 
         return FALSE;
     }
 
         return FALSE;
     }


@@ -388,7 +416,7 @@ bool wxApp::RegisterWindowClasses()
 
     if ( !RegisterClass(&wndclass) )
     {
 
     if ( !RegisterClass(&wndclass) )
     {

-        wxLogLastError("RegisterClass(panel)");
+        wxLogLastError(wxT("RegisterClass(panel)"));

 
         return FALSE;
     }
 
         return FALSE;
     }


@@ -399,7 +427,7 @@ bool wxApp::RegisterWindowClasses()
 
     if ( !RegisterClass(&wndclass) )
     {
 
     if ( !RegisterClass(&wndclass) )
     {

-        wxLogLastError("RegisterClass(no redraw panel)");
+        wxLogLastError(wxT("RegisterClass(no redraw panel)"));

 
         return FALSE;
     }
 
         return FALSE;
     }


@@ -410,7 +438,7 @@ bool wxApp::RegisterWindowClasses()
 
     if ( !RegisterClass(&wndclass) )
     {
 
     if ( !RegisterClass(&wndclass) )
     {

-        wxLogLastError("RegisterClass(canvas)");
+        wxLogLastError(wxT("RegisterClass(canvas)"));

 
         return FALSE;
     }
 
         return FALSE;
     }


@@ -419,7 +447,7 @@ bool wxApp::RegisterWindowClasses()
     wndclass.style         = styleNoRedraw;
     if ( !RegisterClass(&wndclass) )
     {
     wndclass.style         = styleNoRedraw;
     if ( !RegisterClass(&wndclass) )
     {

-        wxLogLastError("RegisterClass(no redraw canvas)");
+        wxLogLastError(wxT("RegisterClass(no redraw canvas)"));

 
         return FALSE;
     }
 
         return FALSE;
     }


@@ -543,7 +571,9 @@ void wxApp::CleanUp()
 
     //// WINDOWS-SPECIFIC CLEANUP
 
 
     //// WINDOWS-SPECIFIC CLEANUP
 

+#ifndef __WXMICROWIN__

     wxSetKeyboardHook(FALSE);
     wxSetKeyboardHook(FALSE);

+#endif

 
 #if wxUSE_PENWINDOWS
     wxCleanUpPenWin();
 
 #if wxUSE_PENWINDOWS
     wxCleanUpPenWin();


@@ -580,11 +610,14 @@ void wxApp::CleanUp()
     // GL: I'm annoyed ... I don't know where to put this and I don't want to
     // create a module for that as it's part of the core.
     delete wxPendingEvents;
     // GL: I'm annoyed ... I don't know where to put this and I don't want to
     // create a module for that as it's part of the core.
     delete wxPendingEvents;

+

 #if wxUSE_THREADS
     delete wxPendingEventsLocker;
 #if wxUSE_THREADS
     delete wxPendingEventsLocker;

-    // If we don't do the following, we get an apparent memory leak.
+    // If we don't do the following, we get an apparent memory leak
+#if wxUSE_VALIDATORS

     ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
     ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();

-#endif
+#endif // wxUSE_VALIDATORS
+#endif // wxUSE_THREADS

 
     wxClassInfo::CleanUpClasses();
 
 
     wxClassInfo::CleanUpClasses();
 


@@ -615,15 +648,14 @@ void wxApp::CleanUp()
 // Entry point helpers, used by wxPython
 //----------------------------------------------------------------------
 
 // Entry point helpers, used by wxPython
 //----------------------------------------------------------------------
 

-int  WXDLLEXPORT wxEntryStart( int WXUNUSED(argc), char** WXUNUSED(argv) )
+int WXDLLEXPORT wxEntryStart( int WXUNUSED(argc), char** WXUNUSED(argv) )

 {
     return wxApp::Initialize();
 }
 
 {
     return wxApp::Initialize();
 }
 

-int  WXDLLEXPORT wxEntryInitGui()
+int WXDLLEXPORT wxEntryInitGui()

 {
 {

-    wxTheApp->OnInitGui();
-    return 0;
+    return wxTheApp->OnInitGui();

 }
 
 void WXDLLEXPORT wxEntryCleanup()
 }
 
 void WXDLLEXPORT wxEntryCleanup()


@@ -652,7 +684,10 @@ int wxEntry(WXHINSTANCE hInstance,
     // do check for memory leaks on program exit
     // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
     //  deallocated memory which may be used to simulate low-memory condition)
     // do check for memory leaks on program exit
     // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
     //  deallocated memory which may be used to simulate low-memory condition)

+#ifndef __WXMICROWIN__

     wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
     wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);

+#endif
+

 #ifdef __MWERKS__
 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
     // This seems to be necessary since there are 'rogue'
 #ifdef __MWERKS__
 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
     // This seems to be necessary since there are 'rogue'


@@ -684,7 +719,7 @@ int wxEntry(WXHINSTANCE hInstance,
             wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
                          wxT("No initializer - use IMPLEMENT_APP macro.") );
 
             wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
                          wxT("No initializer - use IMPLEMENT_APP macro.") );
 

-            wxTheApp = (*wxApp::GetInitializerFunction()) ();
+            wxTheApp = (wxApp*) (*wxApp::GetInitializerFunction()) ();

         }
 
         wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") );
         }
 
         wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") );


@@ -693,10 +728,6 @@ int wxEntry(WXHINSTANCE hInstance,
         wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
         wxTheApp->m_nCmdShow = nCmdShow;
 
         wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
         wxTheApp->m_nCmdShow = nCmdShow;
 

-        // GUI-specific initialisation. In fact on Windows we don't have any,
-        // but this call is provided for compatibility across platforms.
-        wxEntryInitGui();
-

         // We really don't want timestamps by default, because it means
         // we can't simply double-click on the error message and get to that
         // line in the source. So VC++ at least, let's have a sensible default.
         // We really don't want timestamps by default, because it means
         // we can't simply double-click on the error message and get to that
         // line in the source. So VC++ at least, let's have a sensible default.


@@ -706,15 +737,33 @@ int wxEntry(WXHINSTANCE hInstance,
 
         int retValue = 0;
 
 
         int retValue = 0;
 

-        if ( wxTheApp->OnInit() )
+        // it is common to create a modal dialog in OnInit() (to ask/notify the
+        // user about something) but it wouldn't work if we don't change the
+        // "exit on delete last frame" flag here as when this dialog is
+        // deleted, the app would terminate (it was the last top level window
+        // as the main frame wasn't created yet!), so disable this behaviour
+        // temproarily
+        bool exitOnLastFrameDelete = wxTheApp->GetExitOnFrameDelete();
+        wxTheApp->SetExitOnFrameDelete(FALSE);
+
+        // init the app
+        retValue = wxEntryInitGui() && wxTheApp->OnInit() ? 0 : -1;
+
+        // restore the old flag value
+        wxTheApp->SetExitOnFrameDelete(exitOnLastFrameDelete);
+
+        if ( retValue == 0 )

         {
             if ( enterLoop )
             {
         {
             if ( enterLoop )
             {

+                // run the main loop

                 retValue = wxTheApp->OnRun();
             }
             else
                 retValue = wxTheApp->OnRun();
             }
             else

-                // We want to initialize, but not run or exit immediately.
+            {
+                // we want to initialize, but not run or exit immediately.

                 return 1;
                 return 1;

+            }

         }
         //else: app initialization failed, so we skipped OnRun()
 
         }
         //else: app initialization failed, so we skipped OnRun()
 


@@ -746,14 +795,10 @@ int wxEntry(WXHINSTANCE hInstance,
     __except ( gs_handleExceptions ? EXCEPTION_EXECUTE_HANDLER
                                    : EXCEPTION_CONTINUE_SEARCH ) {
         if ( wxTheApp )
     __except ( gs_handleExceptions ? EXCEPTION_EXECUTE_HANDLER
                                    : EXCEPTION_CONTINUE_SEARCH ) {
         if ( wxTheApp )

+        {
+           // give the user a chance to do something special about this

            wxTheApp->OnFatalException();
            wxTheApp->OnFatalException();

-
-        // using wxLog would be unsafe here
-        ::MessageBox(NULL,
-                     _("Unrecoverable program error detected: "
-                     " the application will terminate."),
-                     _("Fatal Error"),
-                     MB_APPLMODAL | MB_ICONSTOP | MB_OK);
+        }

 
         ::ExitProcess(3); // the same exit code as abort()
 
 
         ::ExitProcess(3); // the same exit code as abort()
 


@@ -814,14 +859,9 @@ wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NUL
 
 wxApp::wxApp()
 {
 
 wxApp::wxApp()
 {

-    m_topWindow = NULL;
-    wxTheApp = this;
-    m_wantDebugOutput = TRUE;
-

     argc = 0;
     argv = NULL;
     m_printMode = wxPRINT_WINDOWS;
     argc = 0;
     argv = NULL;
     m_printMode = wxPRINT_WINDOWS;

-    m_exitOnFrameDelete = TRUE;

     m_auto3D = TRUE;
 }
 
     m_auto3D = TRUE;
 }
 


@@ -866,7 +906,7 @@ bool wxApp::DoMessage()
     else if ( rc == -1 )
     {
         // should never happen, but let's test for it nevertheless
     else if ( rc == -1 )
     {
         // should never happen, but let's test for it nevertheless

-        wxLogLastError("GetMessage");
+        wxLogLastError(wxT("GetMessage"));

     }
     else
     {
     }
     else
     {


@@ -923,16 +963,21 @@ bool wxApp::DoMessage()
 #endif // wxUSE_THREADS
 
         // Process the message
 #endif // wxUSE_THREADS
 
         // Process the message

-        if ( !ProcessMessage((WXMSG *)&s_currentMsg) )
-        {
-            ::TranslateMessage(&s_currentMsg);
-            ::DispatchMessage(&s_currentMsg);
-        }
+        DoMessage((WXMSG *)&s_currentMsg);

     }
 
     return TRUE;
 }
 
     }
 
     return TRUE;
 }
 

+void wxApp::DoMessage(WXMSG *pMsg)
+{
+    if ( !ProcessMessage(pMsg) )
+    {
+        ::TranslateMessage((MSG *)pMsg);
+        ::DispatchMessage((MSG *)pMsg);
+    }
+}
+

 /*
  * Keep trying to process messages until WM_QUIT
  * received.
 /*
  * Keep trying to process messages until WM_QUIT
  * received.


@@ -1021,17 +1066,20 @@ bool wxApp::ProcessMessage(WXMSG *wxmsg)
     // Try translations first; find the youngest window with
     // a translation table.
     wxWindow *wnd;
     // Try translations first; find the youngest window with
     // a translation table.
     wxWindow *wnd;

-    for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
-    {
-        if ( wnd->MSWTranslateMessage(wxmsg) )
-            return TRUE;
-    }

 
 

-    // Anyone for a non-translation message? Try youngest descendants first.
+    bool pastTopLevelWindow = FALSE;

     for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
     {
     for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
     {

+        if ( !pastTopLevelWindow && wnd->MSWTranslateMessage(wxmsg))
+            return TRUE;

         if ( wnd->MSWProcessMessage(wxmsg) )
             return TRUE;
         if ( wnd->MSWProcessMessage(wxmsg) )
             return TRUE;

+
+        // stop at first top level window, i.e. don't try to process the key
+        // strokes originating in a dialog using the accelerators of the parent
+        // frame - this doesn't make much sense
+        if ( wnd->IsTopLevel() )
+            pastTopLevelWindow = TRUE;

     }
 
     return FALSE;
     }
 
     return FALSE;


@@ -1064,6 +1112,14 @@ void wxApp::OnIdle(wxIdleEvent& event)
     wxLog::FlushActive();
 #endif // wxUSE_LOG
 
     wxLog::FlushActive();
 #endif // wxUSE_LOG
 

+#if wxUSE_DC_CACHEING
+    // automated DC cache management: clear the cached DCs and bitmap
+    // if it's likely that the app has finished with them, that is, we
+    // get an idle event and we're not dragging anything.
+    if (!::GetKeyState(MK_LBUTTON) && !::GetKeyState(MK_MBUTTON) && !::GetKeyState(MK_RBUTTON))
+        wxDC::ClearCache();
+#endif // wxUSE_DC_CACHEING
+

     // Send OnIdle events to all windows
     if ( SendIdleEvents() )
     {
     // Send OnIdle events to all windows
     if ( SendIdleEvents() )
     {


@@ -1154,6 +1210,9 @@ void wxApp::OnQueryEndSession(wxCloseEvent& event)
 /* static */
 int wxApp::GetComCtl32Version()
 {
 /* static */
 int wxApp::GetComCtl32Version()
 {

+#ifdef __WXMICROWIN__
+    return 0;
+#else

     // cache the result
     static int s_verComCtl32 = -1;
 
     // cache the result
     static int s_verComCtl32 = -1;
 


@@ -1174,7 +1233,7 @@ int wxApp::GetComCtl32Version()
             // try to use DllGetVersion() if available in _headers_
             #ifdef DLLVER_PLATFORM_WINDOWS // defined in shlwapi.h
                 DLLGETVERSIONPROC pfnDllGetVersion = (DLLGETVERSIONPROC)
             // try to use DllGetVersion() if available in _headers_
             #ifdef DLLVER_PLATFORM_WINDOWS // defined in shlwapi.h
                 DLLGETVERSIONPROC pfnDllGetVersion = (DLLGETVERSIONPROC)

-                    ::GetProcAddress(hModuleComCtl32, _T("DllGetVersion"));
+                    ::GetProcAddress(hModuleComCtl32, "DllGetVersion");

                 if ( pfnDllGetVersion )
                 {
                     DLLVERSIONINFO dvi;
                 if ( pfnDllGetVersion )
                 {
                     DLLVERSIONINFO dvi;


@@ -1203,11 +1262,7 @@ int wxApp::GetComCtl32Version()
                     FARPROC theProc = ::GetProcAddress
                                         (
                                          hModuleComCtl32,
                     FARPROC theProc = ::GetProcAddress
                                         (
                                          hModuleComCtl32,

-#if defined(__BORLANDC__) && (__BORLANDC__ <= 0x520)

                                          "InitCommonControlsEx"
                                          "InitCommonControlsEx"

-#else
-                                         _T("InitCommonControlsEx")
-#endif

                                         );
 
                     if ( !theProc )
                                         );
 
                     if ( !theProc )


@@ -1222,11 +1277,7 @@ int wxApp::GetComCtl32Version()
                         theProc = ::GetProcAddress
                                     (
                                      hModuleComCtl32,
                         theProc = ::GetProcAddress
                                     (
                                      hModuleComCtl32,

-#if defined(__BORLANDC__) && (__BORLANDC__ <= 0x520)

                                      "InitializeFlatSB"
                                      "InitializeFlatSB"

-#else
-                                     _T("InitializeFlatSB")
-#endif

                                     );
                         if ( !theProc )
                         {
                                     );
                         if ( !theProc )
                         {


@@ -1244,6 +1295,7 @@ int wxApp::GetComCtl32Version()
     }
 
     return s_verComCtl32;
     }
 
     return s_verComCtl32;

+#endif

 }
 
 void wxExit()
 }
 
 void wxExit()


@@ -1255,12 +1307,22 @@ void wxExit()
 }
 
 // Yield to incoming messages
 }
 
 // Yield to incoming messages

+
+static bool gs_inYield = FALSE;
+

 bool wxYield()
 {
     // disable log flushing from here because a call to wxYield() shouldn't
     // normally result in message boxes popping up &c
     wxLog::Suspend();
 
 bool wxYield()
 {
     // disable log flushing from here because a call to wxYield() shouldn't
     // normally result in message boxes popping up &c
     wxLog::Suspend();
 

+#ifdef __WXDEBUG__
+    if (gs_inYield)
+        wxFAIL_MSG( wxT("wxYield called recursively" ) );
+#endif
+
+    gs_inYield = TRUE;
+

     // we don't want to process WM_QUIT from here - it should be processed in
     // the main event loop in order to stop it
     MSG msg;
     // we don't want to process WM_QUIT from here - it should be processed in
     // the main event loop in order to stop it
     MSG msg;


@@ -1282,9 +1344,20 @@ bool wxYield()
     // let the logs be flashed again
     wxLog::Resume();
 
     // let the logs be flashed again
     wxLog::Resume();
 

+    gs_inYield = FALSE;
+

     return TRUE;
 }
 
     return TRUE;
 }
 

+// Yield to incoming messages; but fail silently if recursion is detected.
+bool wxYieldIfNeeded()
+{
+    if (gs_inYield)
+        return FALSE;
+
+    return wxYield();
+}
+

 bool wxHandleFatalExceptions(bool doit)
 {
 #if wxUSE_ON_FATAL_EXCEPTION
 bool wxHandleFatalExceptions(bool doit)
 {
 #if wxUSE_ON_FATAL_EXCEPTION


@@ -1294,7 +1367,8 @@ bool wxHandleFatalExceptions(bool doit)
     return TRUE;
 #else
     wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to sue this function"));
     return TRUE;
 #else
     wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to sue this function"));

-
+       
+       (void)doit;

     return FALSE;
 #endif
 }
     return FALSE;
 #endif
 }


@@ -1315,7 +1389,7 @@ void wxWakeUpIdle()
         if ( !::PostMessage(GetHwndOf(topWindow), WM_NULL, 0, 0) )
         {
             // should never happen
         if ( !::PostMessage(GetHwndOf(topWindow), WM_NULL, 0, 0) )
         {
             // should never happen

-            wxLogLastError("PostMessage(WM_NULL)");
+            wxLogLastError(wxT("PostMessage(WM_NULL)"));

         }
     }
 }
         }
     }
 }