If zero time is specified, don't try to sleep when using a timer.

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

diff --git a/src/msw/app.cpp b/src/msw/app.cpp
index ed4fa69c077f10691d4a3ffc851465cad38ed1a5..bb05dd8873fc25ffa081a26688f57ed3e4fd5910 100644 (file)
--- a/src/msw/app.cpp
+++ b/src/msw/app.cpp
@@ -45,9 +45,11 @@
     #include "wx/dynarray.h"
     #include "wx/wxchar.h"
     #include "wx/icon.h"
     #include "wx/dynarray.h"
     #include "wx/wxchar.h"
     #include "wx/icon.h"

+    #include "wx/log.h"

 #endif
 
 #endif
 

-#include "wx/log.h"
+#include "wx/cmdline.h"
+#include "wx/filename.h"

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


@@ -115,8 +117,9 @@
     #define _WIN32_IE 0x0200
 #endif
 
     #define _WIN32_IE 0x0200
 #endif
 

-#if _WIN32_IE >= 0x0300 \
-    && !( defined(__MINGW32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
+#if _WIN32_IE >= 0x0300 && \
+    (!defined(__MINGW32__) || wxCHECK_W32API_VERSION( 2, 0 )) && \
+    !defined(__CYGWIN__)

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


@@ -125,7 +128,6 @@
 // ---------------------------------------------------------------------------
 
 extern wxChar *wxBuffer;
 // ---------------------------------------------------------------------------
 
 extern wxChar *wxBuffer;

-extern wxList *wxWinHandleList;

 extern wxList WXDLLEXPORT wxPendingDelete;
 #ifndef __WXMICROWIN__
 extern void wxSetKeyboardHook(bool doIt);
 extern wxList WXDLLEXPORT wxPendingDelete;
 #ifndef __WXMICROWIN__
 extern void wxSetKeyboardHook(bool doIt);


@@ -136,16 +138,12 @@ wxApp *wxTheApp = NULL;
 
 // NB: all "NoRedraw" classes must have the same names as the "normal" classes
 //     with NR suffix - wxWindow::MSWCreate() supposes this
 
 // NB: all "NoRedraw" classes must have the same names as the "normal" classes
 //     with NR suffix - wxWindow::MSWCreate() supposes this

-const wxChar *wxFrameClassName         = wxT("wxFrameClass");
-const wxChar *wxFrameClassNameNoRedraw = wxT("wxFrameClassNR");
+const wxChar *wxCanvasClassName        = wxT("wxWindowClass");
+const wxChar *wxCanvasClassNameNR      = wxT("wxWindowClassNR");

 const wxChar *wxMDIFrameClassName      = wxT("wxMDIFrameClass");
 const wxChar *wxMDIFrameClassNameNoRedraw = wxT("wxMDIFrameClassNR");
 const wxChar *wxMDIChildFrameClassName = wxT("wxMDIChildFrameClass");
 const wxChar *wxMDIChildFrameClassNameNoRedraw = wxT("wxMDIChildFrameClassNR");
 const wxChar *wxMDIFrameClassName      = wxT("wxMDIFrameClass");
 const wxChar *wxMDIFrameClassNameNoRedraw = wxT("wxMDIFrameClassNR");
 const wxChar *wxMDIChildFrameClassName = wxT("wxMDIChildFrameClass");
 const wxChar *wxMDIChildFrameClassNameNoRedraw = wxT("wxMDIChildFrameClassNR");

-const wxChar *wxPanelClassName         = wxT("wxPanelClass");
-const wxChar *wxPanelClassNameNR       = wxT("wxPanelClassNR");
-const wxChar *wxCanvasClassName        = wxT("wxCanvasClass");
-const wxChar *wxCanvasClassNameNR      = wxT("wxCanvasClassNR");

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


@@ -193,9 +191,9 @@ END_EVENT_TABLE()
 bool wxApp::Initialize()
 {
     // the first thing to do is to check if we're trying to run an Unicode
 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
+    // program under Win9x w/o MSLU emulation layer - if so, abort right now 
+    // as it has no chance to work
+#if wxUSE_UNICODE && !wxUSE_UNICODE_MSLU

     if ( wxGetOsVersion() != wxWINDOWS_NT )
     {
         // note that we can use MessageBoxW() as it's implemented even under
     if ( wxGetOsVersion() != wxWINDOWS_NT )
     {
         // note that we can use MessageBoxW() as it's implemented even under


@@ -204,20 +202,14 @@ bool wxApp::Initialize()
         ::MessageBox
         (
          NULL,
         ::MessageBox
         (
          NULL,

-         _T("This program uses Unicode and requires Windows NT/2000.\nProgram aborted."),
+         _T("This program uses Unicode and requires Windows NT/2000/XP.\nProgram aborted."),

          _T("wxWindows Fatal Error"),
          MB_ICONERROR | MB_OK
         );
 
         return FALSE;
     }
          _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__
-    //    wxRedirectIOToConsole();
-#endif
+#endif // wxUSE_UNICODE && !wxUSE_UNICODE_MSLU

 
     wxBuffer = new wxChar[1500]; // FIXME
 
 
     wxBuffer = new wxChar[1500]; // FIXME
 


@@ -252,9 +244,11 @@ bool wxApp::Initialize()
         ;
 #endif // Win16
 
         ;
 #endif // Win16
 

+#if wxUSE_OLE

     // 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

 
 #endif // wxUSE_OLE
 
 
 #endif // wxUSE_OLE
 


@@ -283,6 +277,7 @@ bool wxApp::Initialize()
 
     LOGBRUSH lb;
     lb.lbStyle = BS_PATTERN;
 
     LOGBRUSH lb;
     lb.lbStyle = BS_PATTERN;

+    lb.lbColor = 0;

     lb.lbHatch = (int)LoadBitmap( wxhInstance, wxT("wxDISABLE_BUTTON_BITMAP") );
     if ( lb.lbHatch )
     {
     lb.lbHatch = (int)LoadBitmap( wxhInstance, wxT("wxDISABLE_BUTTON_BITMAP") );
     if ( lb.lbHatch )
     {


@@ -296,7 +291,7 @@ bool wxApp::Initialize()
     wxRegisterPenWin();
 #endif
 
     wxRegisterPenWin();
 #endif
 

-    wxWinHandleList = new wxList(wxKEY_INTEGER);
+    wxWinHandleHash = new wxWinHashTable(wxKEY_INTEGER, 100);

 
     // This is to foil optimizations in Visual C++ that throw out dummy.obj.
     // PLEASE DO NOT ALTER THIS.
 
     // This is to foil optimizations in Visual C++ that throw out dummy.obj.
     // PLEASE DO NOT ALTER THIS.


@@ -325,6 +320,7 @@ bool wxApp::Initialize()
 bool wxApp::RegisterWindowClasses()
 {
     WNDCLASS wndclass;
 bool wxApp::RegisterWindowClasses()
 {
     WNDCLASS wndclass;

+    wxZeroMemory(wndclass);

 
     // 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
 
     // 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


@@ -333,34 +329,26 @@ bool wxApp::RegisterWindowClasses()
 
     // the fields which are common to all classes
     wndclass.lpfnWndProc   = (WNDPROC)wxWndProc;
 
     // the fields which are common to all classes
     wndclass.lpfnWndProc   = (WNDPROC)wxWndProc;

-    wndclass.cbClsExtra    = 0;
-    wndclass.cbWndExtra    = sizeof( DWORD ); // VZ: what is this DWORD used for?

     wndclass.hInstance     = wxhInstance;
     wndclass.hInstance     = wxhInstance;

-    wndclass.hIcon         = (HICON) NULL;

     wndclass.hCursor       = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW);
     wndclass.hCursor       = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW);

-    wndclass.lpszMenuName  = NULL;

 
     // Register the frame window class.
     wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1);
 
     // Register the frame window class.
     wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1);

-    wndclass.lpszClassName = wxFrameClassName;
+    wndclass.lpszClassName = wxCanvasClassName;

     wndclass.style         = styleNormal;
 
     if ( !RegisterClass(&wndclass) )
     {
         wxLogLastError(wxT("RegisterClass(frame)"));
     wndclass.style         = styleNormal;
 
     if ( !RegisterClass(&wndclass) )
     {
         wxLogLastError(wxT("RegisterClass(frame)"));

-
-        return FALSE;

     }
 
     // "no redraw" frame
     }
 
     // "no redraw" frame

-    wndclass.lpszClassName = wxFrameClassNameNoRedraw;
+    wndclass.lpszClassName = wxCanvasClassNameNR;

     wndclass.style         = styleNoRedraw;
 
     if ( !RegisterClass(&wndclass) )
     {
         wxLogLastError(wxT("RegisterClass(no redraw frame)"));
     wndclass.style         = styleNoRedraw;
 
     if ( !RegisterClass(&wndclass) )
     {
         wxLogLastError(wxT("RegisterClass(no redraw frame)"));

-
-        return FALSE;

     }
 
     // Register the MDI frame window class.
     }
 
     // Register the MDI frame window class.


@@ -371,8 +359,6 @@ bool wxApp::RegisterWindowClasses()
     if ( !RegisterClass(&wndclass) )
     {
         wxLogLastError(wxT("RegisterClass(MDI parent)"));
     if ( !RegisterClass(&wndclass) )
     {
         wxLogLastError(wxT("RegisterClass(MDI parent)"));

-
-        return FALSE;

     }
 
     // "no redraw" MDI frame
     }
 
     // "no redraw" MDI frame


@@ -382,8 +368,6 @@ bool wxApp::RegisterWindowClasses()
     if ( !RegisterClass(&wndclass) )
     {
         wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)"));
     if ( !RegisterClass(&wndclass) )
     {
         wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)"));

-
-        return FALSE;

     }
 
     // Register the MDI child frame window class.
     }
 
     // Register the MDI child frame window class.


@@ -394,8 +378,6 @@ bool wxApp::RegisterWindowClasses()
     if ( !RegisterClass(&wndclass) )
     {
         wxLogLastError(wxT("RegisterClass(MDI child)"));
     if ( !RegisterClass(&wndclass) )
     {
         wxLogLastError(wxT("RegisterClass(MDI child)"));

-
-        return FALSE;

     }
 
     // "no redraw" MDI child frame
     }
 
     // "no redraw" MDI child frame


@@ -405,127 +387,106 @@ bool wxApp::RegisterWindowClasses()
     if ( !RegisterClass(&wndclass) )
     {
         wxLogLastError(wxT("RegisterClass(no redraw MDI child)"));
     if ( !RegisterClass(&wndclass) )
     {
         wxLogLastError(wxT("RegisterClass(no redraw MDI child)"));

-
-        return FALSE;

     }
 
     }
 

-    // Register the panel window class.
-    wndclass.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH );
-    wndclass.lpszClassName = wxPanelClassName;
-    wndclass.style         = styleNormal;
+    return TRUE;
+}

 
 

-    if ( !RegisterClass(&wndclass) )
+// ---------------------------------------------------------------------------
+// UnregisterWindowClasses
+// ---------------------------------------------------------------------------
+
+bool wxApp::UnregisterWindowClasses()
+{
+    bool retval = TRUE;
+
+#ifndef __WXMICROWIN__
+    // MDI frame window class.
+    if ( !::UnregisterClass(wxMDIFrameClassName, wxhInstance) )

     {
     {

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

 
 

-        return FALSE;
+        retval = FALSE;

     }
 
     }
 

-    // Register the no redraw panel window class.
-    wndclass.lpszClassName = wxPanelClassNameNR;
-    wndclass.style         = styleNoRedraw;
+    // "no redraw" MDI frame
+    if ( !::UnregisterClass(wxMDIFrameClassNameNoRedraw, wxhInstance) )
+    {
+        wxLogLastError(wxT("UnregisterClass(no redraw MDI parent frame)"));

 
 

-    if ( !RegisterClass(&wndclass) )
+        retval = FALSE;
+    }
+
+    // MDI child frame window class.
+    if ( !::UnregisterClass(wxMDIChildFrameClassName, wxhInstance) )

     {
     {

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

 
 

-        return FALSE;
+        retval = FALSE;

     }
 
     }
 

-    // Register the canvas and textsubwindow class name
-    wndclass.hbrBackground = (HBRUSH)NULL;
-    wndclass.lpszClassName = wxCanvasClassName;
+    // "no redraw" MDI child frame
+    if ( !::UnregisterClass(wxMDIChildFrameClassNameNoRedraw, wxhInstance) )
+    {
+        wxLogLastError(wxT("UnregisterClass(no redraw MDI child)"));

 
 

-    if ( !RegisterClass(&wndclass) )
+        retval = FALSE;
+    }
+
+    // canvas class name
+    if ( !::UnregisterClass(wxCanvasClassName, wxhInstance) )

     {
     {

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

 
 

-        return FALSE;
+        retval = FALSE;

     }
 
     }
 

-    wndclass.lpszClassName = wxCanvasClassNameNR;
-    wndclass.style         = styleNoRedraw;
-    if ( !RegisterClass(&wndclass) )
+    if ( !::UnregisterClass(wxCanvasClassNameNR, wxhInstance) )

     {
     {

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

 
 

-        return FALSE;
+        retval = FALSE;

     }
     }

+#endif // __WXMICROWIN__

 
 

-    return TRUE;
+    return retval;

 }
 
 // ---------------------------------------------------------------------------
 // Convert Windows to argc, argv style
 // ---------------------------------------------------------------------------
 
 }
 
 // ---------------------------------------------------------------------------
 // Convert Windows to argc, argv style
 // ---------------------------------------------------------------------------
 

-void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine)
+void wxApp::ConvertToStandardCommandArgs(const char* lpCmdLine)

 {
 {

-    wxStringList args;
-
-    wxString cmdLine(lpCmdLine);
-    int count = 0;
-
-    // Get application name
-    wxChar name[260]; // 260 is MAX_PATH value from windef.h
-    ::GetModuleFileName(wxhInstance, name, WXSIZEOF(name));
-
-    args.Add(name);
-    count++;
-
-    wxStrcpy(name, wxFileNameFromPath(name));
-    wxStripExtension(name);
-    wxTheApp->SetAppName(name);
-
-    // Break up string
-    // Treat strings enclosed in double-quotes as single arguments
-    int i = 0;
-    int len = cmdLine.Length();
-    while (i < len)
-    {
-        // Skip whitespace
-        while ((i < len) && wxIsspace(cmdLine.GetChar(i)))
-            i ++;
-
-        if (i < len)
-        {
-            if (cmdLine.GetChar(i) == wxT('"')) // We found the start of a string
-            {
-                i ++;
-                int first = i;
-                while ((i < len) && (cmdLine.GetChar(i) != wxT('"')))
-                    i ++;
+    // break the command line in words
+    wxArrayString args =
+        wxCmdLineParser::ConvertStringToArgs(wxConvertMB2WX(lpCmdLine));

 
 

-                wxString arg(cmdLine.Mid(first, (i - first)));
+    // +1 here for the program name
+    argc = args.GetCount() + 1;

 
 

-                args.Add(arg);
-                count ++;
+    // and +1 here for the terminating NULL
+    argv = new wxChar *[argc + 1];

 
 

-                if (i < len)
-                    i ++; // Skip past 2nd quote
-            }
-            else // Unquoted argument
-            {
-                int first = i;
-                while ((i < len) && !wxIsspace(cmdLine.GetChar(i)))
-                    i ++;
+    argv[0] = new wxChar[260]; // 260 is MAX_PATH value from windef.h
+    ::GetModuleFileName(wxhInstance, argv[0], 260);

 
 

-                wxString arg(cmdLine.Mid(first, (i - first)));
+    // also set the app name from argv[0]
+    wxString name;
+    wxFileName::SplitPath(argv[0], NULL, &name, NULL);

 
 

-                args.Add(arg);
-                count ++;
-            }
-        }
-    }
+    // but don't override the name already set by the user code, if any
+    if ( GetAppName().empty() )
+        SetAppName(name);

 
 

-    wxTheApp->argv = new wxChar*[count + 1];
-    for (i = 0; i < count; i++)
+    // copy all the other arguments to wxApp::argv[]
+    for ( int i = 1; i < argc; i++ )

     {
     {

-        wxString arg(args[i]);
-        wxTheApp->argv[i] = copystring((const wxChar*)arg);
+        argv[i] = copystring(args[i - 1]);

     }
     }

-    wxTheApp->argv[count] = NULL; // argv[] is a NULL-terminated list
-    wxTheApp->argc = count;
+
+    // argv[] must be NULL-terminated
+    argv[argc] = NULL;

 }
 
 //// Cleans up any wxWindows internal structures left lying around
 }
 
 //// Cleans up any wxWindows internal structures left lying around


@@ -600,12 +561,19 @@ void wxApp::CleanUp()
     ::OleUninitialize();
 #endif
 
     ::OleUninitialize();
 #endif
 

+#ifdef WXMAKINGDLL
+    // for an EXE the classes are unregistered when it terminates but DLL may
+    // be loaded several times (load/unload/load) into the same process in
+    // which case the registration will fail after the first time if we don't
+    // unregister the classes now
+    UnregisterWindowClasses();
+#endif // WXMAKINGDLL
+

 #if wxUSE_CTL3D
     Ctl3dUnregister(wxhInstance);
 #endif
 
 #if wxUSE_CTL3D
     Ctl3dUnregister(wxhInstance);
 #endif
 

-    if (wxWinHandleList)
-        delete wxWinHandleList;
+    delete wxWinHandleHash;

 
     // 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.
 
     // 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.


@@ -725,39 +693,28 @@ int wxEntry(WXHINSTANCE hInstance,
         wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") );
 
         // save the WinMain() parameters
         wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") );
 
         // save the WinMain() parameters

-        wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
+        if (lpCmdLine) // MicroWindows passes NULL
+            wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);

         wxTheApp->m_nCmdShow = nCmdShow;
 
         // 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.
 #ifdef __VISUALC__
         wxTheApp->m_nCmdShow = nCmdShow;
 
         // 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.
 #ifdef __VISUALC__

+#if wxUSE_LOG

         wxLog::SetTimestamp(NULL);
         wxLog::SetTimestamp(NULL);

-#endif
-
-        int retValue = 0;
-
-        // 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);
+#endif // wxUSE_LOG
+#endif // __VISUALC__

 
         // init the app
 
         // init the app

-        retValue = wxEntryInitGui() && wxTheApp->OnInit() ? 0 : -1;
-
-        // restore the old flag value
-        wxTheApp->SetExitOnFrameDelete(exitOnLastFrameDelete);
+        int retValue = wxEntryInitGui() && wxTheApp->OnInit() ? 0 : -1;

 
         if ( retValue == 0 )
         {
             if ( enterLoop )
             {
                 // run the main loop
 
         if ( retValue == 0 )
         {
             if ( enterLoop )
             {
                 // run the main loop

-                retValue = wxTheApp->OnRun();
+                wxTheApp->OnRun();

             }
             else
             {
             }
             else
             {


@@ -784,7 +741,7 @@ int wxEntry(WXHINSTANCE hInstance,
             }
         }
 
             }
         }
 

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

 
         wxEntryCleanup();
 
 
         wxEntryCleanup();
 


@@ -945,16 +902,12 @@ bool wxApp::DoMessage()
             {
                 s_hadGuiLock = TRUE;
 
             {
                 s_hadGuiLock = TRUE;
 

-                size_t count = s_aSavedMessages.Count();
+                size_t count = s_aSavedMessages.GetCount();

                 for ( size_t n = 0; n < count; n++ )
                 {
                     MSG& msg = s_aSavedMessages[n];
 
                 for ( size_t n = 0; n < count; n++ )
                 {
                     MSG& msg = s_aSavedMessages[n];
 

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

                 }
 
                 s_aSavedMessages.Empty();
                 }
 
                 s_aSavedMessages.Empty();


@@ -1024,8 +977,8 @@ bool wxApp::ProcessIdle()
 
 void wxApp::ExitMainLoop()
 {
 
 void wxApp::ExitMainLoop()
 {

-    // VZ: why not ::PostQuitMessage()?
-    m_keepGoing = FALSE;
+    // this will set m_keepGoing to FALSE a bit later
+    ::PostQuitMessage(0);

 }
 
 bool wxApp::Pending()
 }
 
 bool wxApp::Pending()


@@ -1058,12 +1011,12 @@ 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
         // 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);
         }
 
         {
             hwnd = ::GetParent(hwnd);
         }
 

-        return ::IsDialogMessage(hwnd, msg) != 0;
+        return hwnd && ::IsDialogMessage(hwnd, msg) != 0;

     }
 
 #if wxUSE_TOOLTIPS
     }
 
 #if wxUSE_TOOLTIPS


@@ -1079,6 +1032,14 @@ bool wxApp::ProcessMessage(WXMSG *wxmsg)
     }
 #endif // wxUSE_TOOLTIPS
 
     }
 #endif // wxUSE_TOOLTIPS
 

+    // 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 ( !wndThis->MSWShouldPreProcessMessage(wxmsg) )
+    {
+        return FALSE;
+    }
+

     // try translations first: the accelerators override everything
     wxWindow *wnd;
 
     // try translations first: the accelerators override everything
     wxWindow *wnd;
 


@@ -1094,25 +1055,34 @@ bool wxApp::ProcessMessage(WXMSG *wxmsg)
             break;
     }
 
             break;
     }
 

-    // now try the other hooks (kbd navigation is handled here)
-    for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
+    // now try the other hooks (kbd navigation is handled here): we start from
+    // wndThis->GetParent() because wndThis->MSWProcessMessage() was already
+    // called above
+    for ( wnd = wndThis->GetParent(); wnd; wnd = wnd->GetParent() )

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

+    // no special preprocessing for this message, dispatch it normally

     return FALSE;
 }
 
     return FALSE;
 }
 

+// this is a temporary hack and will be replaced by using wxEventLoop in the
+// future
+//
+// it is needed to allow other event loops (currently only one: the modal
+// dialog one) to reset the OnIdle() semaphore because otherwise OnIdle()
+// wouldn't do anything while a modal dialog shown from OnIdle() call is shown.
+bool wxIsInOnIdleFlag = FALSE;
+

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

-    static bool s_inOnIdle = FALSE;
-

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

-    if ( s_inOnIdle )
+    if ( wxIsInOnIdleFlag )

         return;
 
         return;
 

-    s_inOnIdle = TRUE;
+    wxIsInOnIdleFlag = TRUE;

 
     // If there are pending events, we must process them: pending events
     // are either events to the threads other than main or events posted
 
     // If there are pending events, we must process them: pending events
     // are either events to the threads other than main or events posted


@@ -1147,7 +1117,7 @@ void wxApp::OnIdle(wxIdleEvent& event)
         event.RequestMore(TRUE);
     }
 
         event.RequestMore(TRUE);
     }
 

-    s_inOnIdle = FALSE;
+    wxIsInOnIdleFlag = FALSE;

 }
 
 // Send idle event to all top-level windows
 }
 
 // Send idle event to all top-level windows


@@ -1170,33 +1140,31 @@ bool wxApp::SendIdleEvents()
 // Send idle event to window and all subwindows
 bool wxApp::SendIdleEvents(wxWindow* win)
 {
 // Send idle event to window and all subwindows
 bool wxApp::SendIdleEvents(wxWindow* win)
 {

-    bool needMore = FALSE;
-

     wxIdleEvent event;
     event.SetEventObject(win);
     win->GetEventHandler()->ProcessEvent(event);
 
     wxIdleEvent event;
     event.SetEventObject(win);
     win->GetEventHandler()->ProcessEvent(event);
 

-    if (event.MoreRequested())
-        needMore = TRUE;
+    bool needMore = event.MoreRequested();

 
 

-    wxNode* node = win->GetChildren().First();
-    while (node)
+    wxWindowList::Node *node = win->GetChildren().GetFirst();
+    while ( node )

     {
     {

-        wxWindow* win = (wxWindow*) node->Data();
+        wxWindow *win = node->GetData();

         if (SendIdleEvents(win))
             needMore = TRUE;
 
         if (SendIdleEvents(win))
             needMore = TRUE;
 

-        node = node->Next();
+        node = node->GetNext();

     }
     }

+

     return needMore;
 }
 
 void wxApp::DeletePendingObjects()
 {
     return needMore;
 }
 
 void wxApp::DeletePendingObjects()
 {

-    wxNode *node = wxPendingDelete.First();
+    wxNode *node = wxPendingDelete.GetFirst();

     while (node)
     {
     while (node)
     {

-        wxObject *obj = (wxObject *)node->Data();
+        wxObject *obj = node->GetData();

 
         delete obj;
 
 
         delete obj;
 


@@ -1205,7 +1173,7 @@ void wxApp::DeletePendingObjects()
 
         // Deleting one object may have deleted other pending
         // objects, so start from beginning of list again.
 
         // Deleting one object may have deleted other pending
         // objects, so start from beginning of list again.

-        node = wxPendingDelete.First();
+        node = wxPendingDelete.GetFirst();

     }
 }
 
     }
 }
 


@@ -1327,20 +1295,28 @@ void wxExit()
 
 // Yield to incoming messages
 
 
 // Yield to incoming messages
 

-static bool gs_inYield = FALSE;
-
-bool wxYield()
+bool wxApp::Yield(bool onlyIfNeeded)

 {
 {

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

+#endif // wxUSE_LOG

 
 

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


@@ -1356,27 +1332,19 @@ bool wxYield()
             break;
     }
 
             break;
     }
 

-    // If they are pending events, we must process them.
-    if (wxTheApp)
-        wxTheApp->ProcessPendingEvents();
+    // if there are pending events, we must process them.
+    ProcessPendingEvents();

 
 

+#if wxUSE_LOG

     // let the logs be flashed again
     wxLog::Resume();
     // let the logs be flashed again
     wxLog::Resume();

+#endif // wxUSE_LOG

 
 

-    gs_inYield = FALSE;
+    s_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


@@ -1385,9 +1353,9 @@ bool wxHandleFatalExceptions(bool doit)
 
     return TRUE;
 #else
 
     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
 }
     return FALSE;
 #endif
 }


@@ -1415,31 +1383,8 @@ void wxWakeUpIdle()
 
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 

-wxIcon
-wxApp::GetStdIcon(int which) const
-{
-    switch(which)
-    {
-        case wxICON_INFORMATION:
-            return wxIcon("wxICON_INFO");
-
-        case wxICON_QUESTION:
-            return wxIcon("wxICON_QUESTION");
-
-        case wxICON_EXCLAMATION:
-            return wxIcon("wxICON_WARNING");
-
-        default:
-            wxFAIL_MSG(wxT("requested non existent standard icon"));
-            // still fall through
-
-        case wxICON_HAND:
-            return wxIcon("wxICON_ERROR");
-    }
-}
-

 // For some reason, with MSVC++ 1.5, WinMain isn't linked in properly
 // if in a separate file. So include it here to ensure it's linked.
 // For some reason, with MSVC++ 1.5, WinMain isn't linked in properly
 // if in a separate file. So include it here to ensure it's linked.

-#if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__) && !defined(WXMAKINGDLL))
+#if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__WINE__) && !defined(__TWIN32__) && !defined(WXMAKINGDLL))

 #include "main.cpp"
 #endif
 #include "main.cpp"
 #endif