submenu preparation in two methods encapsulated

[wxWidgets.git] / src / os2 / app.cpp

diff --git a/src/os2/app.cpp b/src/os2/app.cpp
index d918cd0d42b6a93119d098382ce43e937c6b8e87..4d47ed155090c453d394595a8f36bbb5ffa47924 100644 (file)
--- a/src/os2/app.cpp
+++ b/src/os2/app.cpp
@@ -9,6 +9,10 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

+#ifdef __GNUG__
+    #pragma implementation "app.h"
+#endif
+

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -27,8 +31,9 @@
     #include "wx/msgdlg.h"
     #include "wx/intl.h"
     #include "wx/dynarray.h"
     #include "wx/msgdlg.h"
     #include "wx/intl.h"
     #include "wx/dynarray.h"

-#   include "wx/wxchar.h"
-#   include "wx/icon.h"
+    #include "wx/wxchar.h"
+    #include "wx/icon.h"
+    #include "wx/timer.h"

 #endif
 
 #include "wx/log.h"
 #endif
 
 #include "wx/log.h"


@@ -36,6 +41,30 @@
 
 #include "wx/os2/private.h"
 
 
 #include "wx/os2/private.h"
 

+#ifdef __EMX__
+
+#include <sys/ioctl.h>
+#include <sys/select.h>
+
+#else
+
+#include <nerrno.h>
+#include <sys/ioctl.h>
+#include <sys/select.h>
+#include <sys/time.h>
+
+#endif //
+
+#ifndef __EMX__
+
+#define select(a,b,c,d,e) bsdselect(a,b,c,d,e)
+extern "C" int _System bsdselect(int,
+                                 struct fd_set *,
+                                 struct fd_set *,
+                                 struct fd_set *,
+                                 struct timeval *);
+#endif
+

 #if wxUSE_THREADS
     #include "wx/thread.h"
 
 #if wxUSE_THREADS
     #include "wx/thread.h"
 


@@ -71,16 +100,6 @@ HAB                                 vHabmain = NULLHANDLE;
 QMSG                                svCurrentMsg;
 wxApp*                              wxTheApp = NULL;
 
 QMSG                                svCurrentMsg;
 wxApp*                              wxTheApp = NULL;
 

-// NB: all "NoRedraw" classes must have the same names as the "normal" classes
-//     with NR suffix - wxWindow::OS2Create() supposes this
-wxChar wxFrameClassName[]                 = wxT("wxFrameClass");
-wxChar wxFrameClassNameNoRedraw[]         = wxT("wxFrameClassNR");
-wxChar wxMDIFrameClassName[]              = wxT("wxMDIFrameClass");
-wxChar wxMDIFrameClassNameNoRedraw[]      = wxT("wxMDIFrameClassNR");
-wxChar wxMDIChildFrameClassName[]         = wxT("wxMDIChildFrameClass");
-wxChar wxMDIChildFrameClassNameNoRedraw[] = wxT("wxMDIChildFrameClassNR");
-wxChar wxPanelClassName[]                 = wxT("wxPanelClass");
-wxChar wxCanvasClassName[]                = wxT("wxCanvasClass");

 
 HICON wxSTD_FRAME_ICON          = (HICON) NULL;
 HICON wxSTD_MDICHILDFRAME_ICON  = (HICON) NULL;
 
 HICON wxSTD_FRAME_ICON          = (HICON) NULL;
 HICON wxSTD_MDICHILDFRAME_ICON  = (HICON) NULL;


@@ -92,10 +111,111 @@ HICON wxDEFAULT_MDIPARENTFRAME_ICON  = (HICON) NULL;
 
 HBRUSH wxDisableButtonBrush = (HBRUSH) 0;
 
 
 HBRUSH wxDisableButtonBrush = (HBRUSH) 0;
 

+MRESULT EXPENTRY wxWndProc( HWND hWnd,ULONG message,MPARAM mp1,MPARAM mp2);
+MRESULT EXPENTRY wxFrameWndProc( HWND hWnd,ULONG message,MPARAM mp1,MPARAM mp2);
+

 // ===========================================================================
 // implementation
 // ===========================================================================
 
 // ===========================================================================
 // implementation
 // ===========================================================================
 

+// ---------------------------------------------------------------------------
+// helper struct and functions for socket handling
+// ---------------------------------------------------------------------------
+
+struct GsocketCallbackInfo{
+    void (*proc)(void *);
+    int type;
+    int handle;
+    void* gsock;
+};
+
+// These defines and wrapper functions are used here and in gsockpm.c
+#define wxSockReadMask  0x01
+#define wxSockWriteMask 0x02
+
+#ifdef __EMX__
+extern "C"
+int wxAppAddSocketHandler(int handle, int mask,
+                           void (*callback)(void*), void * gsock)
+{
+    return wxTheApp->AddSocketHandler(handle, mask, callback, gsock);
+}
+extern "C"
+void wxAppRemoveSocketHandler(int handle)
+{
+    wxTheApp->RemoveSocketHandler(handle);
+}
+#else
+//  Linkage mode problems using callbacks with extern C in a .cpp module
+int wxAppAddSocketHandler(int handle, int mask,
+                           void (*callback)(void*), void * gsock)
+{
+    return wxTheApp->AddSocketHandler(handle, mask, callback, gsock);
+}
+void wxAppRemoveSocketHandler(int handle)
+{
+    wxTheApp->RemoveSocketHandler(handle);
+}
+#endif
+
+void wxApp::HandleSockets()
+{
+    bool pendingEvent = FALSE;
+
+    // Check whether it's time for Gsocket operation
+    if (m_maxSocketHandles > 0 && m_maxSocketNr > 0)
+    {
+        fd_set readfds = m_readfds;
+        fd_set writefds = m_writefds;
+        struct timeval timeout;
+        int i;
+        struct GsocketCallbackInfo
+          *CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo;
+        int r = 0;
+        timeout.tv_sec = 0;
+        timeout.tv_usec = 0;
+        if ( select(m_maxSocketNr, &readfds, &writefds, 0, &timeout) > 0)
+        {
+            for (i = m_lastUsedHandle + 1; i != m_lastUsedHandle; i++)
+            {
+                if (i == m_maxSocketNr)
+                    i = 0;
+                if (FD_ISSET(i, &readfds))
+                {
+                    int r;
+                    for (r = 0; r < m_maxSocketHandles; r++){
+                        if(CallbackInfo[r].handle == i &&
+                           CallbackInfo[r].type == wxSockReadMask)
+                            break;
+                    }
+                    if (r < m_maxSocketHandles)
+                    {
+                        CallbackInfo[r].proc(CallbackInfo[r].gsock);
+                        pendingEvent = TRUE;
+                        wxYield();
+                    }
+                }
+                if (FD_ISSET(i, &writefds))
+                {
+                    int r;
+                    for (r = 0; r < m_maxSocketHandles; r++)
+                        if(CallbackInfo[r].handle == i &&
+                           CallbackInfo[r].type == wxSockWriteMask)
+                            break;
+                    if (r < m_maxSocketHandles)
+                    {
+                        CallbackInfo[r].proc(CallbackInfo[r].gsock);
+                        pendingEvent = TRUE;
+                        wxYield();
+                    }
+                }
+            }
+            m_lastUsedHandle = i;
+        }
+        if (pendingEvent)
+            wxYield();
+    }
+}

 // ---------------------------------------------------------------------------
 // wxApp
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // wxApp
 // ---------------------------------------------------------------------------


@@ -137,22 +257,6 @@ bool wxApp::Initialize(
   #endif //wxUSE_CONSOLEDEBUG
 #endif
 
   #endif //wxUSE_CONSOLEDEBUG
 #endif
 

-    //
-    // OS2 has to have an anchorblock
-    //
-    vHab = WinInitialize(0);
-
-    if (!vHab)
-        return FALSE;
-    else
-        vHabmain = vHab;
-
-    // Some people may wish to use this, but
-    // probably it shouldn't be here by default.
-#ifdef __WXDEBUG__
-    //    wxRedirectIOToConsole();
-#endif
-

     wxBuffer = new wxChar[1500]; // FIXME; why?
 
     wxClassInfo::InitializeClasses();
     wxBuffer = new wxChar[1500]; // FIXME; why?
 
     wxClassInfo::InitializeClasses();


@@ -173,7 +277,22 @@ bool wxApp::Initialize(
 
     wxBitmap::InitStandardHandlers();
 
 
     wxBitmap::InitStandardHandlers();
 

-    RegisterWindowClasses(vHab);
+    //
+    // OS2 has to have an anchorblock
+    //
+    vHab = WinInitialize(0);
+
+    if (!vHab)
+        return FALSE;
+    else
+        vHabmain = vHab;
+
+    // Some people may wish to use this, but
+    // probably it shouldn't be here by default.
+#ifdef __WXDEBUG__
+    //    wxRedirectIOToConsole();
+#endif
+

     wxWinHandleList = new wxList(wxKEY_INTEGER);
 
     // This is to foil optimizations in Visual C++ that throw out dummy.obj.
     wxWinHandleList = new wxList(wxKEY_INTEGER);
 
     // This is to foil optimizations in Visual C++ that throw out dummy.obj.


@@ -188,6 +307,7 @@ bool wxApp::Initialize(
     wxModule::RegisterModules();
     if (!wxModule::InitializeModules())
         return FALSE;
     wxModule::RegisterModules();
     if (!wxModule::InitializeModules())
         return FALSE;

+    RegisterWindowClasses(vHab);

     return TRUE;
 } // end of wxApp::Initialize
 
     return TRUE;
 } // end of wxApp::Initialize
 


@@ -200,14 +320,13 @@ bool wxApp::RegisterWindowClasses(
   HAB                               vHab
 )
 {
   HAB                               vHab
 )
 {

-    APIRET                          rc;

     ERRORID                         vError = 0L;
     wxString                        sError;
 
     if (!::WinRegisterClass( vHab
                             ,wxFrameClassName
     ERRORID                         vError = 0L;
     wxString                        sError;
 
     if (!::WinRegisterClass( vHab
                             ,wxFrameClassName

-                            ,NULL
-                            ,CS_SIZEREDRAW | CS_MOVENOTIFY | CS_SYNCPAINT
+                            ,wxFrameWndProc
+                            ,CS_SIZEREDRAW | CS_SYNCPAINT

                             ,sizeof(ULONG)
                            ))
     {
                             ,sizeof(ULONG)
                            ))
     {


@@ -219,9 +338,9 @@ bool wxApp::RegisterWindowClasses(
 
     if (!::WinRegisterClass( vHab
                             ,wxFrameClassNameNoRedraw
 
     if (!::WinRegisterClass( vHab
                             ,wxFrameClassNameNoRedraw

-                            ,NULL
-                            ,0
+                            ,wxWndProc

                             ,0
                             ,0

+                            ,sizeof(ULONG)

                            ))
     {
         vError = ::WinGetLastError(vHab);
                            ))
     {
         vError = ::WinGetLastError(vHab);


@@ -232,9 +351,9 @@ bool wxApp::RegisterWindowClasses(
 
     if (!::WinRegisterClass( vHab
                             ,wxMDIFrameClassName
 
     if (!::WinRegisterClass( vHab
                             ,wxMDIFrameClassName

-                            ,NULL
+                            ,wxWndProc

                             ,CS_SIZEREDRAW | CS_MOVENOTIFY | CS_SYNCPAINT
                             ,CS_SIZEREDRAW | CS_MOVENOTIFY | CS_SYNCPAINT

-                            ,0
+                            ,sizeof(ULONG)

                            ))
     {
         vError = ::WinGetLastError(vHab);
                            ))
     {
         vError = ::WinGetLastError(vHab);


@@ -245,9 +364,9 @@ bool wxApp::RegisterWindowClasses(
 
     if (!::WinRegisterClass( vHab
                             ,wxMDIFrameClassNameNoRedraw
 
     if (!::WinRegisterClass( vHab
                             ,wxMDIFrameClassNameNoRedraw

-                            ,NULL
-                            ,0
+                            ,wxWndProc

                             ,0
                             ,0

+                            ,sizeof(ULONG)

                            ))
     {
         vError = ::WinGetLastError(vHab);
                            ))
     {
         vError = ::WinGetLastError(vHab);


@@ -258,9 +377,9 @@ bool wxApp::RegisterWindowClasses(
 
     if (!::WinRegisterClass( vHab
                             ,wxMDIChildFrameClassName
 
     if (!::WinRegisterClass( vHab
                             ,wxMDIChildFrameClassName

-                            ,NULL
+                            ,wxWndProc

                             ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_SYNCPAINT | CS_HITTEST
                             ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_SYNCPAINT | CS_HITTEST

-                            ,0
+                            ,sizeof(ULONG)

                            ))
     {
         vError = ::WinGetLastError(vHab);
                            ))
     {
         vError = ::WinGetLastError(vHab);


@@ -271,9 +390,9 @@ bool wxApp::RegisterWindowClasses(
 
     if (!::WinRegisterClass( vHab
                             ,wxMDIChildFrameClassNameNoRedraw
 
     if (!::WinRegisterClass( vHab
                             ,wxMDIChildFrameClassNameNoRedraw

-                            ,NULL
+                            ,wxWndProc

                             ,CS_HITTEST
                             ,CS_HITTEST

-                            ,0
+                            ,sizeof(ULONG)

                            ))
     {
         vError = ::WinGetLastError(vHab);
                            ))
     {
         vError = ::WinGetLastError(vHab);


@@ -284,9 +403,9 @@ bool wxApp::RegisterWindowClasses(
 
     if (!::WinRegisterClass( vHab
                             ,wxPanelClassName
 
     if (!::WinRegisterClass( vHab
                             ,wxPanelClassName

-                            ,NULL
+                            ,wxWndProc

                             ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_HITTEST | CS_SAVEBITS | CS_SYNCPAINT
                             ,CS_MOVENOTIFY | CS_SIZEREDRAW | CS_HITTEST | CS_SAVEBITS | CS_SYNCPAINT

-                            ,0
+                            ,sizeof(ULONG)

                            ))
     {
         vError = ::WinGetLastError(vHab);
                            ))
     {
         vError = ::WinGetLastError(vHab);


@@ -297,9 +416,21 @@ bool wxApp::RegisterWindowClasses(
 
     if (!::WinRegisterClass( vHab
                             ,wxCanvasClassName
 
     if (!::WinRegisterClass( vHab
                             ,wxCanvasClassName

-                            ,NULL
-                            ,0 // CS_MOVENOTIFY | CS_SIZEREDRAW | CS_HITTEST | CS_SAVEBITS | CS_SYNCPAINT
-                            ,0
+                            ,wxWndProc
+                            ,CS_SIZEREDRAW | CS_HITTEST | CS_SYNCPAINT
+                            ,sizeof(ULONG)
+                           ))
+    {
+        vError = ::WinGetLastError(vHab);
+        sError = wxPMErrorToStr(vError);
+        wxLogLastError(sError);
+        return FALSE;
+    }
+    if (!::WinRegisterClass( vHab
+                            ,wxCanvasClassNameNR
+                            ,wxWndProc
+                            ,CS_HITTEST | CS_SYNCPAINT
+                            ,sizeof(ULONG)

                            ))
     {
         vError = ::WinGetLastError(vHab);
                            ))
     {
         vError = ::WinGetLastError(vHab);


@@ -482,26 +613,24 @@ int wxEntry(
     {
         if (wxTheApp->OnInit())
         {
     {
         if (wxTheApp->OnInit())
         {

-            nRetValue = wxTheApp->OnRun();
-//          nRetValue = -1;
+            wxTheApp->OnRun();

         }
         }

-    }
-// Normal exit
-    wxWindow*                       pTopWindow = wxTheApp->GetTopWindow();
-
-    if (pTopWindow)
-    {
-        // Forcibly delete the window.
-        if (pTopWindow->IsKindOf(CLASSINFO(wxFrame)) ||
-            pTopWindow->IsKindOf(CLASSINFO(wxDialog)) )
+        // Normal exit
+        wxWindow*                   pTopWindow = wxTheApp->GetTopWindow();
+        if (pTopWindow)

         {
         {

-            pTopWindow->Close(TRUE);
-            wxTheApp->DeletePendingObjects();
-        }
-        else
-        {
-            delete pTopWindow;
-            wxTheApp->SetTopWindow(NULL);
+            // Forcibly delete the window.
+            if (pTopWindow->IsKindOf(CLASSINFO(wxFrame)) ||
+                pTopWindow->IsKindOf(CLASSINFO(wxDialog)) )
+            {
+                pTopWindow->Close(TRUE);
+                wxTheApp->DeletePendingObjects();
+            }
+            else
+            {
+                delete pTopWindow;
+                wxTheApp->SetTopWindow(NULL);
+            }

         }
     }
     else // app initialization failed
         }
     }
     else // app initialization failed


@@ -512,7 +641,7 @@ int wxEntry(
     printf("wxTheApp->OnExit ");
     fflush(stdout);
 #endif
     printf("wxTheApp->OnExit ");
     fflush(stdout);
 #endif

-    wxTheApp->OnExit();
+    nRetValue = wxTheApp->OnExit();

 #if wxUSE_CONSOLEDEBUG
     printf("wxApp::CleanUp ");
     fflush(stdout);
 #if wxUSE_CONSOLEDEBUG
     printf("wxApp::CleanUp ");
     fflush(stdout);


@@ -530,6 +659,9 @@ bool wxApp::OnInitGui()
     ERRORID                         vError;
     wxString                        sError;
 
     ERRORID                         vError;
     wxString                        sError;
 

+    if (!wxAppBase::OnInitGui())
+        return FALSE;
+

     m_hMq = ::WinCreateMsgQueue(vHabmain, 0);
     if (!m_hMq)
     {
     m_hMq = ::WinCreateMsgQueue(vHabmain, 0);
     if (!m_hMq)
     {


@@ -538,6 +670,7 @@ bool wxApp::OnInitGui()
         wxLogDebug(sError);
         return FALSE;
     }
         wxLogDebug(sError);
         return FALSE;
     }

+

     return TRUE;
 } // end of wxApp::OnInitGui
 
     return TRUE;
 } // end of wxApp::OnInitGui
 


@@ -550,14 +683,15 @@ wxApp::wxApp()
 {
     m_topWindow = NULL;
     wxTheApp = this;
 {
     m_topWindow = NULL;
     wxTheApp = this;

-    m_wantDebugOutput = TRUE;

 
     argc = 0;
     argv = NULL;
     m_nPrintMode = wxPRINT_WINDOWS;
 
     argc = 0;
     argv = NULL;
     m_nPrintMode = wxPRINT_WINDOWS;

-    m_exitOnFrameDelete = TRUE;

     m_bAuto3D = TRUE;
     m_hMq = 0;
     m_bAuto3D = TRUE;
     m_hMq = 0;

+    m_maxSocketHandles = 0;
+    m_maxSocketNr = 0;
+    m_sockCallbackInfo = 0;

 } // end of wxApp::wxApp
 
 wxApp::~wxApp()
 } // end of wxApp::wxApp
 
 wxApp::~wxApp()


@@ -588,6 +722,7 @@ bool wxApp::Initialized()
 // Get and process a message, returning FALSE if WM_QUIT
 // received (and also set the flag telling the app to exit the main loop)
 //
 // Get and process a message, returning FALSE if WM_QUIT
 // received (and also set the flag telling the app to exit the main loop)
 //

+

 bool wxApp::DoMessage()
 {
     BOOL                            bRc = ::WinGetMsg(vHabmain, &svCurrentMsg, HWND(NULL), 0, 0);
 bool wxApp::DoMessage()
 {
     BOOL                            bRc = ::WinGetMsg(vHabmain, &svCurrentMsg, HWND(NULL), 0, 0);


@@ -649,25 +784,31 @@ bool wxApp::DoMessage()
                 {
                     QMSG            vMsg = svSavedMessages[n];
 
                 {
                     QMSG            vMsg = svSavedMessages[n];
 

-                    if ( !ProcessMessage((WXMSG *)&vMsg) )
-                    {
-                        ::WinDispatchMsg(vHabmain, &vMsg);
-                    }
+                    DoMessage((WXMSG*)&vMsg);

                 }
                 svSavedMessages.Empty();
             }
         }
 #endif // wxUSE_THREADS
 
                 }
                 svSavedMessages.Empty();
             }
         }
 #endif // wxUSE_THREADS
 

+        //

         // Process the message
         // Process the message

-        if (!ProcessMessage((WXMSG *)&svCurrentMsg))
-        {
-            ::WinDispatchMsg(vHabmain, (PQMSG)&svCurrentMsg);
-        }
+        //
+        DoMessage((WXMSG *)&svCurrentMsg);

     }
     return TRUE;
 } // end of wxApp::DoMessage
 
     }
     return TRUE;
 } // end of wxApp::DoMessage
 

+void wxApp::DoMessage(
+  WXMSG*                            pMsg
+)
+{
+    if (!ProcessMessage((WXMSG *)&svCurrentMsg))
+    {
+        ::WinDispatchMsg(vHabmain, (PQMSG)&svCurrentMsg);
+    }
+} // end of wxApp::DoMessage
+

 //////////////////////////////////////////////////////////////////////////////
 //
 // Keep trying to process messages until WM_QUIT
 //////////////////////////////////////////////////////////////////////////////
 //
 // Keep trying to process messages until WM_QUIT


@@ -692,11 +833,17 @@ int wxApp::MainLoop()
 #if wxUSE_THREADS
         wxMutexGuiLeaveOrEnter();
 #endif // wxUSE_THREADS
 #if wxUSE_THREADS
         wxMutexGuiLeaveOrEnter();
 #endif // wxUSE_THREADS

-        while (/*Pending() &&*/ ProcessIdle())
+        while (!Pending() && ProcessIdle())

         {
         {

-//          wxUsleep(10000);
+            HandleSockets();
+            wxUsleep(10000);

         }
         }

-        DoMessage();
+        HandleSockets();
+        if (Pending())
+            DoMessage();
+        else
+            wxUsleep(10000);
+

     }
     return (int)svCurrentMsg.mp1;
 } // end of wxApp::MainLoop
     }
     return (int)svCurrentMsg.mp1;
 } // end of wxApp::MainLoop


@@ -715,13 +862,13 @@ bool wxApp::ProcessIdle()
 
 void wxApp::ExitMainLoop()
 {
 
 void wxApp::ExitMainLoop()
 {

-    m_bKeepGoing = FALSE;
-}
+    ::WinPostMsg(NULL, WM_QUIT, 0, 0);
+} // end of wxApp::ExitMainLoop

 
 bool wxApp::Pending()
 {
     return (::WinPeekMsg(vHabmain, (PQMSG)&svCurrentMsg, (HWND)NULL, 0, 0, PM_NOREMOVE) != 0);
 
 bool wxApp::Pending()
 {
     return (::WinPeekMsg(vHabmain, (PQMSG)&svCurrentMsg, (HWND)NULL, 0, 0, PM_NOREMOVE) != 0);

-}
+} // end of wxApp::Pending

 
 void wxApp::Dispatch()
 {
 
 void wxApp::Dispatch()
 {


@@ -744,20 +891,26 @@ bool wxApp::ProcessMessage(
     wxWindow*                       pWndThis = wxFindWinFromHandle((WXHWND)hWnd);
     wxWindow*                       pWnd;
 
     wxWindow*                       pWndThis = wxFindWinFromHandle((WXHWND)hWnd);
     wxWindow*                       pWnd;
 

-#if wxUSE_TOOLTIPS

     //
     //

-    // We must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to
-    // popup the tooltip bubbles
+    // Pass non-system timer messages to the wxTimerProc
+    //
+    if (pMsg->msg == WM_TIMER &&
+        (SHORT1FROMMP(pMsg->mp1) != TID_CURSOR &&
+         SHORT1FROMMP(pMsg->mp1) != TID_FLASHWINDOW &&
+         SHORT1FROMMP(pMsg->mp1) != TID_SCROLL &&
+         SHORT1FROMMP(pMsg->mp1) != 0x0000
+        ))
+        wxTimerProc(NULL, 0, (int)pMsg->mp1, 0);
+
+    //
+    // Allow the window to prevent certain messages from being
+    // translated/processed (this is currently used by wxTextCtrl to always
+    // grab Ctrl-C/V/X, even if they are also accelerators in some parent)

     //
     //

-    if (pWndThis && (pMsg->msg == WM_MOUSEMOVE))
+    if (pWndThis && !pWndThis->OS2ShouldPreProcessMessage(pWxmsg))

     {
     {

-        wxToolTip*                  pToolTip = pWndThis->GetToolTip();
-        if (pToolTip)
-        {
-            pToolTip->RelayEvent(pWxmsg);
-        }
+        return FALSE;

     }
     }

-#endif // wxUSE_TOOLTIPS

 
     //
     // For some composite controls (like a combobox), wndThis might be NULL
 
     //
     // For some composite controls (like a combobox), wndThis might be NULL


@@ -812,19 +965,20 @@ bool wxApp::ProcessMessage(
     return FALSE;
 } // end of wxApp::ProcessMessage
 
     return FALSE;
 } // end of wxApp::ProcessMessage
 

+bool                                gbInOnIdle = FALSE;
+

 void wxApp::OnIdle(
   wxIdleEvent&                      rEvent
 )
 {
 void wxApp::OnIdle(
   wxIdleEvent&                      rEvent
 )
 {

-    static bool                     sbInOnIdle = FALSE;

 
     //
     // Avoid recursion (via ProcessEvent default case)
     //
 
     //
     // Avoid recursion (via ProcessEvent default case)
     //

-    if (sbInOnIdle)
+    if (gbInOnIdle)

         return;
 
         return;
 

-    sbInOnIdle = TRUE;
+    gbInOnIdle = TRUE;

 
     //
     // If there are pending events, we must process them: pending events
 
     //
     // If there are pending events, we must process them: pending events


@@ -845,6 +999,16 @@ void wxApp::OnIdle(
     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 (!::WinGetKeyState(HWND_DESKTOP, VK_BUTTON1) &&
+        !::WinGetKeyState(HWND_DESKTOP, VK_BUTTON3) &&
+        !::WinGetKeyState(HWND_DESKTOP, VK_BUTTON2))
+        wxDC::ClearCache();
+#endif // wxUSE_DC_CACHEING
+

     //
     // Send OnIdle events to all windows
     //
     //
     // Send OnIdle events to all windows
     //


@@ -856,7 +1020,7 @@ void wxApp::OnIdle(
         //
         rEvent.RequestMore(TRUE);
     }
         //
         rEvent.RequestMore(TRUE);
     }

-    sbInOnIdle = FALSE;
+    gbInOnIdle = FALSE;

 } // end of wxApp::OnIdle
 
 // Send idle event to all top-level windows
 } // end of wxApp::OnIdle
 
 // Send idle event to all top-level windows


@@ -958,8 +1122,20 @@ void wxExit()
 //
 // Yield to incoming messages
 //
 //
 // Yield to incoming messages
 //

-bool wxYield()
+bool wxApp::Yield(bool onlyIfNeeded)

 {
 {

+    static bool s_inYield = FALSE;
+
+    if ( s_inYield )
+    {
+        if ( !onlyIfNeeded )
+        {
+            wxFAIL_MSG( _T("wxYield() called recursively") );
+        }
+
+        return FALSE;
+    }
+

     HAB                             vHab = 0;
     QMSG                            vMsg;
 
     HAB                             vHab = 0;
     QMSG                            vMsg;
 


@@ -969,6 +1145,8 @@ bool wxYield()
     //
     wxLog::Suspend();
 
     //
     wxLog::Suspend();
 

+    s_inYield = TRUE;
+

     //
     // We want to go back to the main message loop
     // if we see a WM_QUIT. (?)
     //
     // We want to go back to the main message loop
     // if we see a WM_QUIT. (?)


@@ -991,33 +1169,57 @@ bool wxYield()
     // Let the logs be flashed again
     //
     wxLog::Resume();
     // Let the logs be flashed again
     //
     wxLog::Resume();

+    s_inYield = FALSE;

     return TRUE;
 } // end of wxYield
 
     return TRUE;
 } // end of wxYield
 

-wxIcon wxApp::GetStdIcon(
-  int                               nWhich
-) const
+int wxApp::AddSocketHandler(int handle, int mask,
+                            void (*callback)(void*), void * gsock)

 {
 {

-    switch(nWhich)
-    {
-        case wxICON_INFORMATION:
-            return wxIcon("wxICON_INFO");
-
-        case wxICON_QUESTION:
-            return wxIcon("wxICON_QUESTION");
-
-        case wxICON_EXCLAMATION:
-            return wxIcon("wxICON_WARNING");
+    int find;
+    struct GsocketCallbackInfo
+        *CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo;

 
 

-        default:
-            wxFAIL_MSG(wxT("requested non existent standard icon"));
-            // still fall through
+    for (find = 0; find < m_maxSocketHandles; find++)
+        if (CallbackInfo[find].handle == -1)
+            break;
+    if (find == m_maxSocketHandles)
+    {
+        // Allocate new memory
+        m_sockCallbackInfo = realloc(m_sockCallbackInfo,
+                                     (m_maxSocketHandles+=10)*
+                                     sizeof(struct GsocketCallbackInfo));
+        CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo;
+        for (find = m_maxSocketHandles - 10; find < m_maxSocketHandles; find++)
+            CallbackInfo[find].handle = -1;
+        find = m_maxSocketHandles - 10;
+    }
+    CallbackInfo[find].proc = callback;
+    CallbackInfo[find].type = mask;
+    CallbackInfo[find].handle = handle;
+    CallbackInfo[find].gsock = gsock;
+    if (mask & wxSockReadMask)
+        FD_SET(handle, &m_readfds);
+    if (mask & wxSockWriteMask)
+        FD_SET(handle, &m_writefds);
+    if (handle >= m_maxSocketNr)
+        m_maxSocketNr = handle + 1;
+    return find;
+}

 
 

-        case wxICON_HAND:
-            return wxIcon("wxICON_ERROR");
+void wxApp::RemoveSocketHandler(int handle)
+{
+    struct GsocketCallbackInfo
+        *CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo;
+    if (handle < m_maxSocketHandles)
+    {
+        if (CallbackInfo[handle].type & wxSockReadMask)
+            FD_CLR(CallbackInfo[handle].handle, &m_readfds);
+        if (CallbackInfo[handle].type & wxSockWriteMask)
+            FD_CLR(CallbackInfo[handle].handle, &m_writefds);
+        CallbackInfo[handle].handle = -1;

     }
     }

-    return wxIcon("wxICON_ERROR");
-} // end of wxApp::GetStdIcon
+}

 
 //-----------------------------------------------------------------------------
 // wxWakeUpIdle
 
 //-----------------------------------------------------------------------------
 // wxWakeUpIdle