Disable some wxWebView tests that fail on the buildbot but not locally.

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

diff --git a/src/msw/app.cpp b/src/msw/app.cpp
index 2a65e8139e0d5e3382d11a44f709807e3bd5a46d..8df236020fc881019c00bcc13610558a0910381d 100644 (file)
--- a/src/msw/app.cpp
+++ b/src/msw/app.cpp
@@ -51,6 +51,7 @@
 #include "wx/evtloop.h"
 #include "wx/thread.h"
 #include "wx/scopeguard.h"
 #include "wx/evtloop.h"
 #include "wx/thread.h"
 #include "wx/scopeguard.h"

+#include "wx/vector.h"

 
 #include "wx/msw/private.h"
 #include "wx/msw/dc.h"
 
 #include "wx/msw/private.h"
 #include "wx/msw/dc.h"


@@ -116,12 +117,27 @@
 extern void wxSetKeyboardHook(bool doIt);
 #endif
 
 extern void wxSetKeyboardHook(bool doIt);
 #endif
 

-WXDLLIMPEXP_CORE const wxChar *wxCanvasClassName = NULL;
-WXDLLIMPEXP_CORE const wxChar *wxCanvasClassNameNR = NULL;
-WXDLLIMPEXP_CORE const wxChar *wxMDIFrameClassName = NULL;
-WXDLLIMPEXP_CORE const wxChar *wxMDIFrameClassNameNoRedraw = NULL;
-WXDLLIMPEXP_CORE const wxChar *wxMDIChildFrameClassName = NULL;
-WXDLLIMPEXP_CORE const wxChar *wxMDIChildFrameClassNameNoRedraw = NULL;
+// because of mingw32 4.3 bug this struct can't be inside the namespace below:
+// see http://article.gmane.org/gmane.comp.lib.wxwidgets.devel/110282
+struct ClassRegInfo
+{
+    ClassRegInfo(const wxChar *name)
+        : regname(name),
+          regnameNR(regname + wxApp::GetNoRedrawClassSuffix())
+    {
+    }
+
+    // the name of the registered class with and without CS_[HV]REDRAW styles
+    wxString regname;
+    wxString regnameNR;
+};
+
+namespace
+{
+
+wxVector<ClassRegInfo> gs_regClassesInfo;
+
+} // anonymous namespace

 
 // ----------------------------------------------------------------------------
 // private functions
 
 // ----------------------------------------------------------------------------
 // private functions


@@ -186,11 +202,6 @@ void *wxGUIAppTraits::BeforeChildWaitLoop()
     return new ChildWaitLoopData(wd, winActive);
 }
 
     return new ChildWaitLoopData(wd, winActive);
 }
 

-void wxGUIAppTraits::AlwaysYield()
-{
-    wxYield();
-}
-

 void wxGUIAppTraits::AfterChildWaitLoop(void *dataOrig)
 {
     wxEndBusyCursor();
 void wxGUIAppTraits::AfterChildWaitLoop(void *dataOrig)
 {
     wxEndBusyCursor();


@@ -208,6 +219,7 @@ void wxGUIAppTraits::AfterChildWaitLoop(void *dataOrig)
     delete data;
 }
 
     delete data;
 }
 

+#if wxUSE_THREADS

 bool wxGUIAppTraits::DoMessageFromThreadWait()
 {
     // we should return false only if the app should exit, i.e. only if
 bool wxGUIAppTraits::DoMessageFromThreadWait()
 {
     // we should return false only if the app should exit, i.e. only if


@@ -222,14 +234,20 @@ bool wxGUIAppTraits::DoMessageFromThreadWait()
     return evtLoop->Dispatch();
 }
 
     return evtLoop->Dispatch();
 }
 

-DWORD wxGUIAppTraits::WaitForThread(WXHANDLE hThread)
+DWORD wxGUIAppTraits::WaitForThread(WXHANDLE hThread, int flags)

 {
 {

-    // if we don't have a running event loop, we shouldn't wait for the
-    // messages as we never remove them from the message queue and so we enter
-    // an infinite loop as MsgWaitForMultipleObjects() keeps returning
-    // WAIT_OBJECT_0 + 1
-    if ( !wxEventLoop::GetActive() )
+    // We only ever dispatch messages from the main thread and, additionally,
+    // even from the main thread we shouldn't wait for the message if we don't
+    // have a running event loop as we would never remove them from the message
+    // queue then and so we would enter an infinite loop as
+    // MsgWaitForMultipleObjects() keeps returning WAIT_OBJECT_0 + 1.
+    if ( flags == wxTHREAD_WAIT_BLOCK ||
+            !wxIsMainThread() ||
+                !wxEventLoop::GetActive() )
+    {
+        // Simple blocking wait.

         return DoSimpleWaitForThread(hThread);
         return DoSimpleWaitForThread(hThread);

+    }

 
     return ::MsgWaitForMultipleObjects
              (
 
     return ::MsgWaitForMultipleObjects
              (


@@ -241,6 +259,7 @@ DWORD wxGUIAppTraits::WaitForThread(WXHANDLE hThread)
                QS_ALLPOSTMESSAGE
              );
 }
                QS_ALLPOSTMESSAGE
              );
 }

+#endif // wxUSE_THREADS

 
 wxPortId wxGUIAppTraits::GetToolkitVersion(int *majVer, int *minVer) const
 {
 
 wxPortId wxGUIAppTraits::GetToolkitVersion(int *majVer, int *minVer) const
 {


@@ -285,6 +304,8 @@ wxEventLoopBase* wxGUIAppTraits::CreateEventLoop()
 
 #ifndef __WXWINCE__
 
 
 #ifndef __WXWINCE__
 

+#if wxUSE_DYNLIB_CLASS
+

 #include <wx/dynlib.h>
 
 namespace
 #include <wx/dynlib.h>
 
 namespace


@@ -323,7 +344,7 @@ public:
         {
             if ( !::FreeConsole() )
             {
         {
             if ( !::FreeConsole() )
             {

-                wxLogLastError(_T("FreeConsole"));
+                wxLogLastError(wxT("FreeConsole"));

             }
         }
     }
             }
         }
     }


@@ -382,7 +403,7 @@ private:
     GetConsoleCommandHistory_t m_pfnGetConsoleCommandHistory;
     GetConsoleCommandHistoryLength_t m_pfnGetConsoleCommandHistoryLength;
 
     GetConsoleCommandHistory_t m_pfnGetConsoleCommandHistory;
     GetConsoleCommandHistoryLength_t m_pfnGetConsoleCommandHistoryLength;
 

-    DECLARE_NO_COPY_CLASS(wxConsoleStderr)
+    wxDECLARE_NO_COPY_CLASS(wxConsoleStderr);

 };
 
 bool wxConsoleStderr::DoInit()
 };
 
 bool wxConsoleStderr::DoInit()


@@ -392,7 +413,7 @@ bool wxConsoleStderr::DoInit()
     if ( hStderr == INVALID_HANDLE_VALUE || !hStderr )
         return false;
 
     if ( hStderr == INVALID_HANDLE_VALUE || !hStderr )
         return false;
 

-    if ( !m_dllKernel32.Load(_T("kernel32.dll")) )
+    if ( !m_dllKernel32.Load(wxT("kernel32.dll")) )

         return false;
 
     typedef BOOL (WINAPI *AttachConsole_t)(DWORD dwProcessId);
         return false;
 
     typedef BOOL (WINAPI *AttachConsole_t)(DWORD dwProcessId);


@@ -425,7 +446,7 @@ bool wxConsoleStderr::DoInit()
 
     if ( !::GetConsoleScreenBufferInfo(m_hStderr, &csbi) )
     {
 
     if ( !::GetConsoleScreenBufferInfo(m_hStderr, &csbi) )
     {

-        wxLogLastError(_T("GetConsoleScreenBufferInfo"));
+        wxLogLastError(wxT("GetConsoleScreenBufferInfo"));

         return false;
     }
 
         return false;
     }
 


@@ -442,7 +463,7 @@ bool wxConsoleStderr::DoInit()
         if ( !::ReadConsoleOutputCharacterA(m_hStderr, buf, WXSIZEOF(buf),
                                             pos, &ret) )
         {
         if ( !::ReadConsoleOutputCharacterA(m_hStderr, buf, WXSIZEOF(buf),
                                             pos, &ret) )
         {

-            wxLogLastError(_T("ReadConsoleOutputCharacterA"));
+            wxLogLastError(wxT("ReadConsoleOutputCharacterA"));

             return false;
         }
     } while ( wxStrncmp("    ", buf, WXSIZEOF(buf)) != 0 );
             return false;
         }
     } while ( wxStrncmp("    ", buf, WXSIZEOF(buf)) != 0 );


@@ -457,7 +478,7 @@ bool wxConsoleStderr::DoInit()
         if ( !::ReadConsoleOutputCharacterA(m_hStderr, m_data.data(), m_dataLen,
                                             pos, &ret) )
         {
         if ( !::ReadConsoleOutputCharacterA(m_hStderr, m_data.data(), m_dataLen,
                                             pos, &ret) )
         {

-            wxLogLastError(_T("ReadConsoleOutputCharacterA"));
+            wxLogLastError(wxT("ReadConsoleOutputCharacterA"));

             return false;
         }
     }
             return false;
         }
     }


@@ -468,7 +489,7 @@ bool wxConsoleStderr::DoInit()
 int wxConsoleStderr::GetCommandHistory(wxWxCharBuffer& buf) const
 {
     // these functions are internal and may only be called by cmd.exe
 int wxConsoleStderr::GetCommandHistory(wxWxCharBuffer& buf) const
 {
     // these functions are internal and may only be called by cmd.exe

-    static const wxChar *CMD_EXE = _T("cmd.exe");
+    static const wxChar *CMD_EXE = wxT("cmd.exe");

 
     const int len = m_pfnGetConsoleCommandHistoryLength(CMD_EXE);
     if ( len )
 
     const int len = m_pfnGetConsoleCommandHistoryLength(CMD_EXE);
     if ( len )


@@ -485,7 +506,7 @@ int wxConsoleStderr::GetCommandHistory(wxWxCharBuffer& buf) const
 
         if ( len2 != len )
         {
 
         if ( len2 != len )
         {

-            wxFAIL_MSG( _T("failed getting history?") );
+            wxFAIL_MSG( wxT("failed getting history?") );

         }
     }
 
         }
     }
 


@@ -494,7 +515,7 @@ int wxConsoleStderr::GetCommandHistory(wxWxCharBuffer& buf) const
 
 bool wxConsoleStderr::IsHistoryUnchanged() const
 {
 
 bool wxConsoleStderr::IsHistoryUnchanged() const
 {

-    wxASSERT_MSG( m_ok == 1, _T("shouldn't be called if not initialized") );
+    wxASSERT_MSG( m_ok == 1, wxT("shouldn't be called if not initialized") );

 
     // get (possibly changed) command history
     wxWxCharBuffer history;
 
     // get (possibly changed) command history
     wxWxCharBuffer history;


@@ -508,13 +529,13 @@ bool wxConsoleStderr::IsHistoryUnchanged() const
 bool wxConsoleStderr::Write(const wxString& text)
 {
     wxASSERT_MSG( m_hStderr != INVALID_HANDLE_VALUE,
 bool wxConsoleStderr::Write(const wxString& text)
 {
     wxASSERT_MSG( m_hStderr != INVALID_HANDLE_VALUE,

-                    _T("should only be called if Init() returned true") );
+                    wxT("should only be called if Init() returned true") );

 
     // get current position
     CONSOLE_SCREEN_BUFFER_INFO csbi;
     if ( !::GetConsoleScreenBufferInfo(m_hStderr, &csbi) )
     {
 
     // get current position
     CONSOLE_SCREEN_BUFFER_INFO csbi;
     if ( !::GetConsoleScreenBufferInfo(m_hStderr, &csbi) )
     {

-        wxLogLastError(_T("GetConsoleScreenBufferInfo"));
+        wxLogLastError(wxT("GetConsoleScreenBufferInfo"));

         return false;
     }
 
         return false;
     }
 


@@ -524,21 +545,21 @@ bool wxConsoleStderr::Write(const wxString& text)
 
     if ( !::SetConsoleCursorPosition(m_hStderr, csbi.dwCursorPosition) )
     {
 
     if ( !::SetConsoleCursorPosition(m_hStderr, csbi.dwCursorPosition) )
     {

-        wxLogLastError(_T("SetConsoleCursorPosition"));
+        wxLogLastError(wxT("SetConsoleCursorPosition"));

         return false;
     }
 
     DWORD ret;
         return false;
     }
 
     DWORD ret;

-    if ( !::FillConsoleOutputCharacter(m_hStderr, _T(' '), m_dataLen,
+    if ( !::FillConsoleOutputCharacter(m_hStderr, wxT(' '), m_dataLen,

                                        csbi.dwCursorPosition, &ret) )
     {
                                        csbi.dwCursorPosition, &ret) )
     {

-        wxLogLastError(_T("FillConsoleOutputCharacter"));
+        wxLogLastError(wxT("FillConsoleOutputCharacter"));

         return false;
     }
 
     if ( !::WriteConsole(m_hStderr, text.wx_str(), text.length(), &ret, NULL) )
     {
         return false;
     }
 
     if ( !::WriteConsole(m_hStderr, text.wx_str(), text.length(), &ret, NULL) )
     {

-        wxLogLastError(_T("WriteConsole"));
+        wxLogLastError(wxT("WriteConsole"));

         return false;
     }
 
         return false;
     }
 


@@ -561,6 +582,20 @@ bool wxGUIAppTraits::WriteToStderr(const wxString& text)
     return s_consoleStderr.IsOkToUse() && s_consoleStderr.Write(text);
 }
 
     return s_consoleStderr.IsOkToUse() && s_consoleStderr.Write(text);
 }
 

+#else // !wxUSE_DYNLIB_CLASS
+
+bool wxGUIAppTraits::CanUseStderr()
+{
+    return false;
+}
+
+bool wxGUIAppTraits::WriteToStderr(const wxString& WXUNUSED(text))
+{
+    return false;
+}
+
+#endif // wxUSE_DYNLIB_CLASS/!wxUSE_DYNLIB_CLASS
+

 #endif // !__WXWINCE__
 
 // ===========================================================================
 #endif // !__WXWINCE__
 
 // ===========================================================================


@@ -620,8 +655,6 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
 
     wxOleInitialize();
 
 
     wxOleInitialize();
 

-    RegisterWindowClasses();
-

 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
     wxSetKeyboardHook(true);
 #endif
 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
     wxSetKeyboardHook(true);
 #endif


@@ -632,143 +665,93 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
 }
 
 // ---------------------------------------------------------------------------
 }
 
 // ---------------------------------------------------------------------------

-// RegisterWindowClasses
+// Win32 window class registration

 // ---------------------------------------------------------------------------
 
 // ---------------------------------------------------------------------------
 

-// This function registers the given class name and stores a pointer to a
-// heap-allocated copy of it at the specified location, it must be deleted
-// later.
-static void RegisterAndStoreClassName(const wxString& uniqueClassName,
-                                      const wxChar **className,
-                                      WNDCLASS *lpWndClass)
+/* static */
+const wxChar *wxApp::GetRegisteredClassName(const wxChar *name,
+                                            int bgBrushCol,
+                                            int extraStyles)

 {
 {

-    const size_t length = uniqueClassName.length() + 1; // for trailing NUL
-    wxChar * const newChars = new wxChar[length];
-    wxStrlcpy(newChars, uniqueClassName, length);
-    *className = newChars;
-    lpWndClass->lpszClassName = *className;
-
-    if ( !::RegisterClass(lpWndClass) )
+    const size_t count = gs_regClassesInfo.size();
+    for ( size_t n = 0; n < count; n++ )

     {
     {

-        wxLogLastError(wxString::Format(wxT("RegisterClass(%s)"), newChars));
+        if ( gs_regClassesInfo[n].regname == name )
+            return gs_regClassesInfo[n].regname.c_str();

     }
     }

-}

 
 

-// This function registers the class defined by the provided WNDCLASS struct
-// contents using a unique name constructed from the specified base name and
-// and a suffix unique to this library instance. It also stores the generated
-// unique names for normal and "no redraw" versions of the class in the
-// provided variables, caller must delete their contents later.
-static void RegisterClassWithUniqueNames(const wxString& baseName,
-                                         const wxChar **className,
-                                         const wxChar **classNameNR,
-                                         WNDCLASS *lpWndClass)
-{
-    // for each class we register one with CS_(V|H)REDRAW style and one
-    // without for windows created with wxNO_FULL_REDRAW_ON_REPAINT flag
-    static const long styleNormal = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
-    static const long styleNoRedraw = CS_DBLCLKS;
-
-    const wxString uniqueSuffix(wxString::Format(wxT("@%p"), className));
-
-    wxString uniqueClassName(baseName + uniqueSuffix);
-    lpWndClass->style = styleNormal;
-    RegisterAndStoreClassName(uniqueClassName, className, lpWndClass);
-
-    // NB: remember that code elsewhere supposes that no redraw class names
-    //     use the same names as normal classes with "NR" suffix so we must put
-    //     "NR" at the end instead of using more natural baseName+"NR"+suffix
-    wxString uniqueClassNameNR(uniqueClassName + wxT("NR"));
-    lpWndClass->style = styleNoRedraw;
-    RegisterAndStoreClassName(uniqueClassNameNR, classNameNR, lpWndClass);
-}
-
-// TODO we should only register classes really used by the app. For this it
-//      would be enough to just delay the class registration until an attempt
-//      to create a window of this class is made.
-bool wxApp::RegisterWindowClasses()
-{
+    // we need to register this class

     WNDCLASS wndclass;
     wxZeroMemory(wndclass);
 
     WNDCLASS wndclass;
     wxZeroMemory(wndclass);
 

-    // the fields which are common to all classes

     wndclass.lpfnWndProc   = (WNDPROC)wxWndProc;
     wndclass.lpfnWndProc   = (WNDPROC)wxWndProc;

-    wndclass.hInstance     = wxhInstance;
-    wndclass.hCursor       = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW);
-
-    // register the class for all normal windows and "no redraw" frames
-    wndclass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
-    RegisterClassWithUniqueNames(wxT("wxWindowClass"),
-                                 &wxCanvasClassName,
-                                 &wxCanvasClassNameNR,
-                                 &wndclass);
-
-    // Register the MDI frame window class and "no redraw" MDI frame
-    wndclass.hbrBackground = (HBRUSH)NULL; // paint MDI frame ourselves
-    RegisterClassWithUniqueNames(wxT("wxMDIFrameClass"),
-                                 &wxMDIFrameClassName,
-                                 &wxMDIFrameClassNameNoRedraw,
-                                 &wndclass);
-
-    // Register the MDI child frame window class and "no redraw" MDI child frame
-    wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
-    RegisterClassWithUniqueNames(wxT("wxMDIChildFrameClass"),
-                                 &wxMDIChildFrameClassName,
-                                 &wxMDIChildFrameClassNameNoRedraw,
-                                 &wndclass);
+    wndclass.hInstance     = wxGetInstance();
+    wndclass.hCursor       = ::LoadCursor(NULL, IDC_ARROW);
+    wndclass.hbrBackground = (HBRUSH)wxUIntToPtr(bgBrushCol + 1);
+    wndclass.style         = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS | extraStyles;

 
 

-    return true;
-}
-
-// ---------------------------------------------------------------------------
-// UnregisterWindowClasses
-// ---------------------------------------------------------------------------
-
-// This function unregisters the class with the given name and frees memory
-// allocated for it by RegisterAndStoreClassName().
-static bool UnregisterAndFreeClassName(const wxChar **ppClassName)
-{
-    bool retval = true;

 
 

-    if ( !::UnregisterClass(*ppClassName, wxhInstance) )
+    ClassRegInfo regClass(name);
+    wndclass.lpszClassName = regClass.regname.wx_str();
+    if ( !::RegisterClass(&wndclass) )

     {
     {

-        wxLogLastError(
-                wxString::Format(wxT("UnregisterClass(%s)"), *ppClassName));
+        wxLogLastError(wxString::Format(wxT("RegisterClass(%s)"),
+                       regClass.regname));
+        return NULL;
+    }

 
 

-        retval = false;
+    wndclass.style &= ~(CS_HREDRAW | CS_VREDRAW);
+    wndclass.lpszClassName = regClass.regnameNR.wx_str();
+    if ( !::RegisterClass(&wndclass) )
+    {
+        wxLogLastError(wxString::Format(wxT("RegisterClass(%s)"),
+                       regClass.regname));
+        ::UnregisterClass(regClass.regname.c_str(), wxGetInstance());
+        return NULL;

     }
 
     }
 

-    delete [] (wxChar*) *ppClassName;
-    *ppClassName = NULL;
+    gs_regClassesInfo.push_back(regClass);

 
 

-    return retval;
+    // take care to return the pointer which will remain valid after the
+    // function returns (it could be invalidated later if new elements are
+    // added to the vector and it's reallocated but this shouldn't matter as
+    // this pointer should be used right now, not stored)
+    return gs_regClassesInfo.back().regname.wx_str();

 }
 
 }
 

-bool wxApp::UnregisterWindowClasses()
+bool wxApp::IsRegisteredClassName(const wxString& name)

 {
 {

-    bool retval = true;
-
-#ifndef __WXMICROWIN__
-    if ( !UnregisterAndFreeClassName(&wxMDIFrameClassName) )
-        retval = false;
-
-    if ( !UnregisterAndFreeClassName(&wxMDIFrameClassNameNoRedraw) )
-        retval = false;
-
-    if ( !UnregisterAndFreeClassName(&wxMDIChildFrameClassName) )
-        retval = false;
+    const size_t count = gs_regClassesInfo.size();
+    for ( size_t n = 0; n < count; n++ )
+    {
+        if ( gs_regClassesInfo[n].regname == name ||
+                gs_regClassesInfo[n].regnameNR == name )
+            return true;
+    }

 
 

-    if ( !UnregisterAndFreeClassName(&wxMDIChildFrameClassNameNoRedraw) )
-        retval = false;
+    return false;
+}

 
 

-    if ( !UnregisterAndFreeClassName(&wxCanvasClassName) )
-        retval = false;
+void wxApp::UnregisterWindowClasses()
+{
+    const size_t count = gs_regClassesInfo.size();
+    for ( size_t n = 0; n < count; n++ )
+    {
+        const ClassRegInfo& regClass = gs_regClassesInfo[n];
+        if ( !::UnregisterClass(regClass.regname.c_str(), wxGetInstance()) )
+        {
+            wxLogLastError(wxString::Format(wxT("UnregisterClass(%s)"),
+                           regClass.regname));
+        }

 
 

-    if ( !UnregisterAndFreeClassName(&wxCanvasClassNameNR) )
-        retval = false;
-#endif // __WXMICROWIN__
+        if ( !::UnregisterClass(regClass.regnameNR.c_str(), wxGetInstance()) )
+        {
+            wxLogLastError(wxString::Format(wxT("UnregisterClass(%s)"),
+                           regClass.regnameNR));
+        }
+    }

 
 

-    return retval;
+    gs_regClassesInfo.clear();

 }
 
 void wxApp::CleanUp()
 }
 
 void wxApp::CleanUp()


@@ -850,6 +833,10 @@ void wxApp::WakeUpIdle()
             }
         }
     }
             }
         }
     }

+#if wxUSE_THREADS
+    else
+        wxWakeUpMainThread();
+#endif // wxUSE_THREADS

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -916,7 +903,7 @@ int CallDllGetVersion(wxDynamicLibrary& dll)
     HRESULT hr = (*pfnDllGetVersion)(&dvi);
     if ( FAILED(hr) )
     {
     HRESULT hr = (*pfnDllGetVersion)(&dvi);
     if ( FAILED(hr) )
     {

-        wxLogApiError(_T("DllGetVersion"), hr);
+        wxLogApiError(wxT("DllGetVersion"), hr);

 
         return 0;
     }
 
         return 0;
     }


@@ -944,10 +931,7 @@ int wxApp::GetComCtl32Version()
         // depending on the OS version and the presence of the manifest, it can
         // be either v5 or v6 and instead of trying to guess it just get the
         // handle of the already loaded version
         // depending on the OS version and the presence of the manifest, it can
         // be either v5 or v6 and instead of trying to guess it just get the
         // handle of the already loaded version

-        wxDynamicLibrary dllComCtl32(_T("comctl32.dll"),
-                                     wxDL_VERBATIM |
-                                     wxDL_QUIET |
-                                     wxDL_GET_LOADED);
+        wxLoadedDLL dllComCtl32(wxT("comctl32.dll"));

         if ( !dllComCtl32.IsLoaded() )
         {
             s_verComCtl32 = 0;
         if ( !dllComCtl32.IsLoaded() )
         {
             s_verComCtl32 = 0;


@@ -962,7 +946,7 @@ int wxApp::GetComCtl32Version()
         if ( !s_verComCtl32 )
         {
             // InitCommonControlsEx is unique to 4.70 and later
         if ( !s_verComCtl32 )
         {
             // InitCommonControlsEx is unique to 4.70 and later

-            void *pfn = dllComCtl32.GetSymbol(_T("InitCommonControlsEx"));
+            void *pfn = dllComCtl32.GetSymbol(wxT("InitCommonControlsEx"));

             if ( !pfn )
             {
                 // not found, must be 4.00
             if ( !pfn )
             {
                 // not found, must be 4.00


@@ -972,7 +956,7 @@ int wxApp::GetComCtl32Version()
             {
                 // many symbols appeared in comctl32 4.71, could use any of
                 // them except may be DllInstall()
             {
                 // many symbols appeared in comctl32 4.71, could use any of
                 // them except may be DllInstall()

-                pfn = dllComCtl32.GetSymbol(_T("InitializeFlatSB"));
+                pfn = dllComCtl32.GetSymbol(wxT("InitializeFlatSB"));

                 if ( !pfn )
                 {
                     // not found, must be 4.70
                 if ( !pfn )
                 {
                     // not found, must be 4.70


@@ -985,9 +969,6 @@ int wxApp::GetComCtl32Version()
                 }
             }
         }
                 }
             }
         }

-
-        // we shouldn't unload it here as we didn't really load it above
-        dllComCtl32.Detach();

     }
 
     return s_verComCtl32;
     }
 
     return s_verComCtl32;


@@ -1002,7 +983,7 @@ int wxApp::GetShell32Version()
         // we're prepared to handle the errors
         wxLogNull noLog;
 
         // we're prepared to handle the errors
         wxLogNull noLog;
 

-        wxDynamicLibrary dllShell32(_T("shell32.dll"), wxDL_VERBATIM);
+        wxDynamicLibrary dllShell32(wxT("shell32.dll"), wxDL_VERBATIM);

         if ( dllShell32.IsLoaded() )
         {
             s_verShell32 = CallDllGetVersion(dllShell32);
         if ( dllShell32.IsLoaded() )
         {
             s_verShell32 = CallDllGetVersion(dllShell32);


@@ -1042,61 +1023,6 @@ int wxApp::GetShell32Version()
 
 #endif // !__WXWINCE__
 
 
 #endif // !__WXWINCE__
 

-// ----------------------------------------------------------------------------
-// Yield to incoming messages
-// ----------------------------------------------------------------------------
-
-bool wxApp::Yield(bool onlyIfNeeded)
-{
-    // MT-FIXME
-    static bool s_inYield = false;
-
-    if ( s_inYield )
-    {
-        if ( !onlyIfNeeded )
-        {
-            wxFAIL_MSG( wxT("wxYield called recursively" ) );
-        }
-
-        return false;
-    }
-
-    // set the flag and don't forget to reset it before returning
-    s_inYield = true;
-    wxON_BLOCK_EXIT_SET(s_inYield, false);
-
-
-#if wxUSE_LOG
-    // disable log flushing from here because a call to wxYield() shouldn't
-    // normally result in message boxes popping up &c
-    wxLog::Suspend();
-
-    // ensure the logs will be flashed again when we exit
-    wxON_BLOCK_EXIT0(wxLog::Resume);
-#endif // wxUSE_LOG
-
-
-    // we don't want to process WM_QUIT from here - it should be processed in
-    // the main event loop in order to stop it
-    wxEventLoopGuarantor dummyLoopIfNeeded;
-    MSG msg;
-    while ( PeekMessage(&msg, (HWND)0, 0, 0, PM_NOREMOVE) &&
-            msg.message != WM_QUIT )
-    {
-#if wxUSE_THREADS
-        wxMutexGuiLeaveOrEnter();
-#endif // wxUSE_THREADS
-
-        if ( !wxTheApp->Dispatch() )
-            break;
-    }
-
-    // if there are pending events, we must process them.
-    ProcessPendingEvents();
-
-    return true;
-}
-

 #if wxUSE_EXCEPTIONS
 
 // ----------------------------------------------------------------------------
 #if wxUSE_EXCEPTIONS
 
 // ----------------------------------------------------------------------------


@@ -1111,10 +1037,10 @@ bool wxApp::OnExceptionInMainLoop()
             ::MessageBox
               (
                 NULL,
             ::MessageBox
               (
                 NULL,

-                _T("An unhandled exception occurred. Press \"Abort\" to \
+                wxT("An unhandled exception occurred. Press \"Abort\" to \

 terminate the program,\r\n\
 \"Retry\" to exit the program normally and \"Ignore\" to try to continue."),
 terminate the program,\r\n\
 \"Retry\" to exit the program normally and \"Ignore\" to try to continue."),

-                _T("Unhandled exception"),
+                wxT("Unhandled exception"),

                 MB_ABORTRETRYIGNORE |
                 MB_ICONERROR|
                 MB_TASKMODAL
                 MB_ABORTRETRYIGNORE |
                 MB_ICONERROR|
                 MB_TASKMODAL


@@ -1125,7 +1051,7 @@ terminate the program,\r\n\
             throw;
 
         default:
             throw;
 
         default:

-            wxFAIL_MSG( _T("unexpected MessageBox() return code") );
+            wxFAIL_MSG( wxT("unexpected MessageBox() return code") );

             // fall through
 
         case IDRETRY:
             // fall through
 
         case IDRETRY: