X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9787a4b6ad61ad6f938c308069fabf45057af30f..4c3b4ed07f8d33e70baa4e66ca43dd0ab834578b:/src/msw/app.cpp

diff --git a/src/msw/app.cpp b/src/msw/app.cpp
index a0c1e2cda0..45250cfe16 100644
--- a/src/msw/app.cpp
+++ b/src/msw/app.cpp
@@ -115,8 +115,7 @@
     #define _WIN32_IE 0x0200
 #endif
 
-#if _WIN32_IE >= 0x0300 \
-    && !( defined(__MINGW32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
+#if _WIN32_IE >= 0x0300 && !defined(__MINGW32__)
     #include <shlwapi.h>
 #endif
 
@@ -1156,12 +1155,12 @@ bool wxApp::ProcessMessage(WXMSG *wxmsg)
         // we need to find the dialog containing this control as
         // IsDialogMessage() just eats all the messages (i.e. returns TRUE for
         // them) if we call it for the control itself
-        while ( ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
+        while ( hwnd && ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
         {
             hwnd = ::GetParent(hwnd);
         }
 
-        return ::IsDialogMessage(hwnd, msg) != 0;
+        return hwnd && ::IsDialogMessage(hwnd, msg) != 0;
     }
 
 #if wxUSE_TOOLTIPS
@@ -1436,20 +1435,26 @@ void wxExit()
 
 // Yield to incoming messages
 
-static bool gs_inYield = FALSE;
-
-bool wxYield()
+bool wxApp::Yield(bool onlyIfNeeded)
 {
+    // MT-FIXME
+    static bool s_inYield = FALSE;
+
     // 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
+    if ( s_inYield )
+    {
+        if ( !onlyIfNeeded )
+        {
+            wxFAIL_MSG( wxT("wxYield called recursively" ) );
+        }
 
-    gs_inYield = TRUE;
+        return FALSE;
+    }
+
+    s_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
@@ -1465,27 +1470,17 @@ bool wxYield()
             break;
     }
 
-    // If they are pending events, we must process them.
-    if (wxTheApp)
-        wxTheApp->ProcessPendingEvents();
+    // if there are pending events, we must process them.
+    ProcessPendingEvents();
 
     // let the logs be flashed again
     wxLog::Resume();
 
-    gs_inYield = FALSE;
+    s_inYield = FALSE;
 
     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
@@ -1494,9 +1489,9 @@ bool wxHandleFatalExceptions(bool doit)
 
     return TRUE;
 #else
-    wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to sue this function"));
-	
-	(void)doit;
+    wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to use this function"));
+
+    (void)doit;
     return FALSE;
 #endif
 }