A few compile fixes,

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

diff --git a/src/msw/dialog.cpp b/src/msw/dialog.cpp
index 765092e7dad782534658d7cb3e59f5445f138eae..d8ef9f1f46ea809219cf4c07b9c3a86f711c4c28 100644 (file)
--- a/src/msw/dialog.cpp
+++ b/src/msw/dialog.cpp
@@ -26,9 +26,12 @@
 #include "wx/frame.h"
 #include "wx/app.h"
 #include "wx/settings.h"
 #include "wx/frame.h"
 #include "wx/app.h"
 #include "wx/settings.h"

+#include "wx/intl.h"
+#include "wx/log.h"

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

+#include "wx/log.h"

 
 #if wxUSE_COMMON_DIALOGS
 #include <commdlg.h>
 
 #if wxUSE_COMMON_DIALOGS
 #include <commdlg.h>


@@ -39,41 +42,25 @@
 
 // Lists to keep track of windows, so we can disable/enable them
 // for modal dialogs
 
 // Lists to keep track of windows, so we can disable/enable them
 // for modal dialogs

-wxList wxModalDialogs;
-wxList wxModelessWindows;  // Frames and modeless dialogs
+wxWindowList wxModalDialogs;
+wxWindowList wxModelessWindows;  // Frames and modeless dialogs

 extern wxList WXDLLEXPORT wxPendingDelete;
 
 #if !USE_SHARED_LIBRARY
 extern wxList WXDLLEXPORT wxPendingDelete;
 
 #if !USE_SHARED_LIBRARY

-IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxPanel)
-
-BEGIN_EVENT_TABLE(wxDialog, wxPanel)
-  EVT_SIZE(wxDialog::OnSize)
-  EVT_BUTTON(wxID_OK, wxDialog::OnOK)
-  EVT_BUTTON(wxID_APPLY, wxDialog::OnApply)
-  EVT_BUTTON(wxID_CANCEL, wxDialog::OnCancel)
-  EVT_CHAR_HOOK(wxDialog::OnCharHook)
-  EVT_SYS_COLOUR_CHANGED(wxDialog::OnSysColourChanged)
-  EVT_CLOSE(wxDialog::OnCloseWindow)
-END_EVENT_TABLE()
-
+    IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxPanel)
+
+    BEGIN_EVENT_TABLE(wxDialog, wxPanel)
+        EVT_SIZE(wxDialog::OnSize)
+        EVT_BUTTON(wxID_OK, wxDialog::OnOK)
+        EVT_BUTTON(wxID_APPLY, wxDialog::OnApply)
+        EVT_BUTTON(wxID_CANCEL, wxDialog::OnCancel)
+        EVT_CHAR_HOOK(wxDialog::OnCharHook)
+        EVT_SYS_COLOUR_CHANGED(wxDialog::OnSysColourChanged)
+        EVT_CLOSE(wxDialog::OnCloseWindow)
+    END_EVENT_TABLE()

 #endif
 
 #endif
 

-long wxDialog::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
-{
-  return ::CallWindowProc(CASTWNDPROC m_oldWndProc, (HWND) GetHWND(), (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam);
-}
-
-bool wxDialog::MSWProcessMessage(WXMSG* pMsg)
-{
-  return (::IsDialogMessage((HWND) GetHWND(), (MSG*)pMsg) != 0);
-}
-
-bool wxDialog::MSWOnClose(void)
-{
-    return Close();
-}
-
-wxDialog::wxDialog(void)
+wxDialog::wxDialog()

 {
   m_isShown = FALSE;
   m_modalShowing = FALSE;
 {
   m_isShown = FALSE;
   m_modalShowing = FALSE;


@@ -82,65 +69,87 @@ wxDialog::wxDialog(void)
 }
 
 bool wxDialog::Create(wxWindow *parent, wxWindowID id,
 }
 
 bool wxDialog::Create(wxWindow *parent, wxWindowID id,

-           const wxString& title,
-           const wxPoint& pos,
-           const wxSize& size,
-           long style,
-           const wxString& name)
+                      const wxString& title,
+                      const wxPoint& pos,
+                      const wxSize& size,
+                      long style,
+                      const wxString& name)

 {
 {

-  SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
-  SetName(name);
-  
-  if (!parent)
-    wxTopLevelWindows.Append(this);
+#if wxUSE_TOOLTIPS
+    m_hwndToolTip = 0;
+#endif

 
 

-//  windowFont = wxTheFontList->FindOrCreateFont(11, wxSWISS, wxNORMAL, wxNORMAL);
+    SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
+    SetName(name);

 
 

-  if (parent) parent->AddChild(this);
+    if (!parent)
+        wxTopLevelWindows.Append(this);

 
 

-  if ( id == -1 )
-    m_windowId = (int)NewControlId();
-  else
-  m_windowId = id;
+    //  windowFont = wxTheFontList->FindOrCreateFont(11, wxSWISS, wxNORMAL, wxNORMAL);

 
 

-  int x = pos.x;
-  int y = pos.y;
-  int width = size.x;
-  int height = size.y;
+    if (parent) parent->AddChild(this);

 
 

-  if (x < 0) x = wxDIALOG_DEFAULT_X;
-  if (y < 0) y = wxDIALOG_DEFAULT_Y;
+    if ( id == -1 )
+        m_windowId = (int)NewControlId();
+    else
+        m_windowId = id;

 
 

-  m_windowStyle = style;
+    int x = pos.x;
+    int y = pos.y;
+    int width = size.x;
+    int height = size.y;

 
 

-  m_isShown = FALSE;
-  m_modalShowing = FALSE;
+    if (x < 0) x = wxDIALOG_DEFAULT_X;
+    if (y < 0) y = wxDIALOG_DEFAULT_Y;

 
 

-  if (width < 0)
-    width = 500;
-  if (height < 0)
-    height = 500;
+    m_windowStyle = style;

 
 

-  WXDWORD extendedStyle = MakeExtendedStyle(m_windowStyle);
-  if (m_windowStyle & wxSTAY_ON_TOP)
-    extendedStyle |= WS_EX_TOPMOST;
+    m_isShown = FALSE;
+    m_modalShowing = FALSE;

 
 

-  // Allows creation of dialogs with & without captions under MSWindows
-  if(style & wxCAPTION){
-    MSWCreate(m_windowId, (wxWindow *)parent, NULL, this, NULL, x, y, width, height, 0, "wxCaptionDialog",
-    extendedStyle);
-  }
-  else{
-    MSWCreate(m_windowId, (wxWindow *)parent, NULL, this, NULL, x, y, width, height, 0, "wxNoCaptionDialog",
-    extendedStyle);
-  }
+    if (width < 0)
+        width = 500;
+    if (height < 0)
+        height = 500;

 
 

-  SubclassWin(GetHWND());
+    // All dialogs should really have this style
+    m_windowStyle |= wxTAB_TRAVERSAL;

 
 

-  SetWindowText((HWND) GetHWND(), (const char *)title);
-  SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
+    WXDWORD extendedStyle = MakeExtendedStyle(m_windowStyle);
+    if (m_windowStyle & wxSTAY_ON_TOP)
+        extendedStyle |= WS_EX_TOPMOST;

 
 

-  return TRUE;
+    // Allows creation of dialogs with & without captions under MSWindows,
+    // resizeable or not (but a resizeable dialog always has caption -
+    // otherwise it would look too strange)
+    const wxChar *dlg;
+    if ( style & wxRESIZE_BORDER )
+        dlg = _T("wxResizeableDialog");
+    else if ( style & wxCAPTION )
+        dlg = _T("wxCaptionDialog");
+    else
+        dlg = _T("wxNoCaptionDialog");
+    MSWCreate(m_windowId, parent, NULL, this, NULL,
+              x, y, width, height,
+              0, // style is not used if we have dlg template
+              dlg,
+              extendedStyle);
+
+    HWND hwnd = (HWND)GetHWND();
+
+    if ( !hwnd )
+    {
+        wxLogError(_("Failed to create dialog."));
+
+        return FALSE;
+    }
+
+    SubclassWin(GetHWND());
+
+    SetWindowText(hwnd, title);
+    SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
+
+    return TRUE;

 }
 
 void wxDialog::SetModal(bool flag)
 }
 
 void wxDialog::SetModal(bool flag)


@@ -150,7 +159,7 @@ void wxDialog::SetModal(bool flag)
   else
     if ( m_windowStyle & wxDIALOG_MODAL )
         m_windowStyle -= wxDIALOG_MODAL ;
   else
     if ( m_windowStyle & wxDIALOG_MODAL )
         m_windowStyle -= wxDIALOG_MODAL ;

-  
+

   wxModelessWindows.DeleteObject(this);
   if (!flag)
     wxModelessWindows.Append(this);
   wxModelessWindows.DeleteObject(this);
   if (!flag)
     wxModelessWindows.Append(this);


@@ -162,9 +171,10 @@ wxDialog::~wxDialog()
 
   wxTopLevelWindows.DeleteObject(this);
 
 
   wxTopLevelWindows.DeleteObject(this);
 

+  Show(FALSE);
+

   if (m_modalShowing)
   {
   if (m_modalShowing)
   {

-    Show(FALSE);

     // For some reason, wxWindows can activate another task altogether
     // when a frame is destroyed after a modal dialog has been invoked.
     // Try to bring the parent to the top.
     // For some reason, wxWindows can activate another task altogether
     // when a frame is destroyed after a modal dialog has been invoked.
     // Try to bring the parent to the top.


@@ -176,14 +186,10 @@ wxDialog::~wxDialog()
   }
 
   m_modalShowing = FALSE;
   }
 
   m_modalShowing = FALSE;

-  if ( GetHWND() )
-    ShowWindow((HWND) GetHWND(), SW_HIDE);

 
   if ( (GetWindowStyleFlag() & wxDIALOG_MODAL) != wxDIALOG_MODAL )
     wxModelessWindows.DeleteObject(this);
 
 
   if ( (GetWindowStyleFlag() & wxDIALOG_MODAL) != wxDIALOG_MODAL )
     wxModelessWindows.DeleteObject(this);
 

-  UnsubclassWin();
-

   // If this is the last top-level window, exit.
   if (wxTheApp && (wxTopLevelWindows.Number() == 0))
   {
   // If this is the last top-level window, exit.
   if (wxTheApp && (wxTopLevelWindows.Number() == 0))
   {


@@ -203,13 +209,13 @@ void wxDialog::OnCharHook(wxKeyEvent& event)
   {
     if (event.m_keyCode == WXK_ESCAPE)
     {
   {
     if (event.m_keyCode == WXK_ESCAPE)
     {

-    // Behaviour changed in 2.0: we'll send a Cancel message
-    // to the dialog instead of Close.
-    wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
-    cancelEvent.SetEventObject( this );
-    GetEventHandler()->ProcessEvent(cancelEvent);
+        // Behaviour changed in 2.0: we'll send a Cancel message
+        // to the dialog instead of Close.
+        wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+        cancelEvent.SetEventObject( this );
+        GetEventHandler()->ProcessEvent(cancelEvent);

 
 

-    return;
+        return;

     }
   }
   // We didn't process this event.
     }
   }
   // We didn't process this event.


@@ -223,7 +229,7 @@ void wxDialog::OnPaint(wxPaintEvent& event)
 //  wxWindow::OnPaint(event);
 }
 
 //  wxWindow::OnPaint(event);
 }
 

-void wxDialog::Fit(void)
+void wxDialog::Fit()

 {
   wxWindow::Fit();
 }
 {
   wxWindow::Fit();
 }


@@ -233,16 +239,16 @@ void wxDialog::Iconize(bool WXUNUSED(iconize))
   // Windows dialog boxes can't be iconized
 }
 
   // Windows dialog boxes can't be iconized
 }
 

-bool wxDialog::IsIconized(void) const
+bool wxDialog::IsIconized() const

 {
   return FALSE;
 }
 
 {
   return FALSE;
 }
 

-void wxDialog::SetClientSize(int width, int height)
+void wxDialog::DoSetClientSize(int width, int height)

 {
   HWND hWnd = (HWND) GetHWND();
   RECT rect;
 {
   HWND hWnd = (HWND) GetHWND();
   RECT rect;

-  GetClientRect(hWnd, &rect);
+  ::GetClientRect(hWnd, &rect);

 
   RECT rect2;
   GetWindowRect(hWnd, &rect2);
 
   RECT rect2;
   GetWindowRect(hWnd, &rect2);


@@ -270,11 +276,16 @@ void wxDialog::GetPosition(int *x, int *y) const
   *y = rect.top;
 }
 
   *y = rect.top;
 }
 

-bool wxDialog::IsShown(void) const
+bool wxDialog::IsShown() const

 {
   return m_isShown;
 }
 
 {
   return m_isShown;
 }
 

+bool wxDialog::IsModal() const
+{
+    return wxModalDialogs.Find((wxDialog *)this) != 0; // const_cast
+}
+

 bool wxDialog::Show(bool show)
 {
   m_isShown = show;
 bool wxDialog::Show(bool show)
 {
   m_isShown = show;


@@ -287,13 +298,13 @@ bool wxDialog::Show(bool show)
 #if WXGARBAGE_COLLECTION_ON /* MATTHEW: GC */
   if (!modal) {
     if (show) {
 #if WXGARBAGE_COLLECTION_ON /* MATTHEW: GC */
   if (!modal) {
     if (show) {

-      if (!wxModelessWindows.Member(this))
-  wxModelessWindows.Append(this);
+      if (!wxModelessWindows.Find(this))
+        wxModelessWindows.Append(this);

     } else
       wxModelessWindows.DeleteObject(this);
   }
   if (show) {
     } else
       wxModelessWindows.DeleteObject(this);
   }
   if (show) {

-    if (!wxTopLevelWindows.Member(this))
+    if (!wxTopLevelWindows.Find(this))

       wxTopLevelWindows.Append(this);
   } else
     wxTopLevelWindows.DeleteObject(this);
       wxTopLevelWindows.Append(this);
   } else
     wxTopLevelWindows.DeleteObject(this);


@@ -303,14 +314,20 @@ bool wxDialog::Show(bool show)
   {
     if (show)
     {
   {
     if (show)
     {

-      m_hwndOldFocus = (WXHWND)::GetFocus();
+      // find the top level window which had focus before - we will restore
+      // focus to it later
+      m_hwndOldFocus = 0;
+      for ( HWND hwnd = ::GetFocus(); hwnd; hwnd = ::GetParent(hwnd) )
+      {
+        m_hwndOldFocus = (WXHWND)hwnd;
+      }

 
       if (m_modalShowing)
       {
         BringWindowToTop((HWND) GetHWND());
         return TRUE;
       }
 
       if (m_modalShowing)
       {
         BringWindowToTop((HWND) GetHWND());
         return TRUE;
       }

-      
+

       m_modalShowing = TRUE;
       wxNode *node = wxModalDialogs.First();
       while (node)
       m_modalShowing = TRUE;
       wxNode *node = wxModalDialogs.First();
       while (node)


@@ -343,20 +360,22 @@ bool wxDialog::Show(bool show)
       EnableWindow((HWND) GetHWND(), TRUE);
       BringWindowToTop((HWND) GetHWND());
 
       EnableWindow((HWND) GetHWND(), TRUE);
       BringWindowToTop((HWND) GetHWND());
 

-      if (!wxModalDialogs.Member(this))
+      if ( !wxModalDialogs.Find(this) )

         wxModalDialogs.Append(this);
 
       MSG msg;
       // Must test whether this dialog still exists: we may not process
       // a message before the deletion.
         wxModalDialogs.Append(this);
 
       MSG msg;
       // Must test whether this dialog still exists: we may not process
       // a message before the deletion.

-      while (wxModalDialogs.Member(this) && m_modalShowing && GetMessage(&msg, NULL, 0, 0))
+      while (wxModalDialogs.Find(this) && m_modalShowing && GetMessage(&msg, NULL, 0, 0))

       {
       {

-        if (m_acceleratorTable.Ok() &&
-          ::TranslateAccelerator((HWND) GetHWND(), (HACCEL) m_acceleratorTable.GetHACCEL(), &msg))
+        if ( m_acceleratorTable.Ok() &&
+             ::TranslateAccelerator((HWND)GetHWND(),
+                                     (HACCEL)m_acceleratorTable.GetHACCEL(),
+                                     &msg) )

         {
             // Have processed the message
         }
         {
             // Have processed the message
         }

-        else if (!IsDialogMessage((HWND) GetHWND(), &msg))
+        else if ( !wxTheApp->ProcessMessage((WXMSG *)&msg) )

         {
           TranslateMessage(&msg);
           DispatchMessage(&msg);
         {
           TranslateMessage(&msg);
           DispatchMessage(&msg);


@@ -380,7 +399,7 @@ bool wxDialog::Show(bool show)
       node=disabledWindows.First();
       while(node) {
         wxWindow* win = (wxWindow*) node->Data();
       node=disabledWindows.First();
       while(node) {
         wxWindow* win = (wxWindow*) node->Data();

-        if (wxModalDialogs.Member(win) || wxModelessWindows.Member(win))
+        if (wxModalDialogs.Find(win) || wxModelessWindows.Find(win))

         {
           HWND hWnd = (HWND) win->GetHWND();
           if (::IsWindow(hWnd))
         {
           HWND hWnd = (HWND) win->GetHWND();
           if (::IsWindow(hWnd))


@@ -401,9 +420,13 @@ bool wxDialog::Show(bool show)
       // enable it, else we enable all modeless windows
       if (last)
       {
       // enable it, else we enable all modeless windows
       if (last)
       {

+          // VZ: I don't understand what this is supposed to do, so I'll leave
+          //     it out for now and look for horrible consequences

         wxDialog *box = (wxDialog *)last->Data();
         HWND hwnd = (HWND) box->GetHWND();
         wxDialog *box = (wxDialog *)last->Data();
         HWND hwnd = (HWND) box->GetHWND();

-        if (box->m_winEnabled)
+#if 0
+        if (box->IsUserEnabled())
+#endif // 0

           EnableWindow(hwnd, TRUE);
         BringWindowToTop(hwnd);
       }
           EnableWindow(hwnd, TRUE);
         BringWindowToTop(hwnd);
       }


@@ -415,7 +438,9 @@ bool wxDialog::Show(bool show)
           wxWindow *win = (wxWindow *)node->Data();
           HWND hwnd = (HWND) win->GetHWND();
           // Only enable again if not user-disabled.
           wxWindow *win = (wxWindow *)node->Data();
           HWND hwnd = (HWND) win->GetHWND();
           // Only enable again if not user-disabled.

+#if 0

           if (win->IsUserEnabled())
           if (win->IsUserEnabled())

+#endif // 0

             EnableWindow(hwnd, TRUE);
           node = node->Next();
         }
             EnableWindow(hwnd, TRUE);
           node = node->Next();
         }


@@ -457,10 +482,10 @@ bool wxDialog::Show(bool show)
 
 void wxDialog::SetTitle(const wxString& title)
 {
 
 void wxDialog::SetTitle(const wxString& title)
 {

-  SetWindowText((HWND) GetHWND(), (const char *)title);
+  SetWindowText((HWND) GetHWND(), title.c_str());

 }
 
 }
 

-wxString wxDialog::GetTitle(void) const
+wxString wxDialog::GetTitle() const

 {
   GetWindowText((HWND) GetHWND(), wxBuffer, 1000);
   return wxString(wxBuffer);
 {
   GetWindowText((HWND) GetHWND(), wxBuffer, 1000);
   return wxString(wxBuffer);


@@ -496,7 +521,7 @@ void wxDialog::Centre(int direction)
 }
 
 // Replacement for Show(TRUE) for modal dialogs - returns return code
 }
 
 // Replacement for Show(TRUE) for modal dialogs - returns return code

-int wxDialog::ShowModal(void)
+int wxDialog::ShowModal()

 {
   m_windowStyle |= wxDIALOG_MODAL;
   Show(TRUE);
 {
   m_windowStyle |= wxDIALOG_MODAL;
   Show(TRUE);


@@ -550,61 +575,59 @@ void wxDialog::OnCancel(wxCommandEvent& event)
     else
     {
         SetReturnCode(wxID_CANCEL);
     else
     {
         SetReturnCode(wxID_CANCEL);

-    this->Show(FALSE);
+        this->Show(FALSE);

     }
 }
 
     }
 }
 

-bool wxDialog::OnClose(void)
+void wxDialog::OnCloseWindow(wxCloseEvent& event)

 {
 {

-    // Behaviour changed in 2.0: we'll send a Cancel message by default,
+    // We'll send a Cancel message by default,

     // which may close the dialog.
     // which may close the dialog.

-    // Check for looping if the Cancel event handler calls Close()
+    // Check for looping if the Cancel event handler calls Close().
+
+    // Note that if a cancel button and handler aren't present in the dialog,
+    // nothing will happen when you close the dialog via the window manager, or
+    // via Close().
+    // We wouldn't want to destroy the dialog by default, since the dialog may have been
+    // created on the stack.
+    // However, this does mean that calling dialog->Close() won't delete the dialog
+    // unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be
+    // sure to destroy the dialog.
+    // The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog.

 
     static wxList closing;
 
     if ( closing.Member(this) )
 
     static wxList closing;
 
     if ( closing.Member(this) )

-        return FALSE;
+        return;

 
     closing.Append(this);
 
     wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
     cancelEvent.SetEventObject( this );
 
     closing.Append(this);
 
     wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
     cancelEvent.SetEventObject( this );

-    GetEventHandler()->ProcessEvent(cancelEvent);
+    GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog

 
     closing.DeleteObject(this);
 
     closing.DeleteObject(this);

+}

 
 

-    return FALSE;
+// Destroy the window (delayed, if a managed window)
+bool wxDialog::Destroy()
+{
+  if (!wxPendingDelete.Member(this))
+    wxPendingDelete.Append(this);
+  return TRUE;

 }
 
 void wxDialog::OnSize(wxSizeEvent& WXUNUSED(event))
 {
   // if we're using constraints - do use them
   #if wxUSE_CONSTRAINTS
 }
 
 void wxDialog::OnSize(wxSizeEvent& WXUNUSED(event))
 {
   // if we're using constraints - do use them
   #if wxUSE_CONSTRAINTS

-    if ( GetAutoLayout() ) {
+    if ( GetAutoLayout() )
+    {

       Layout();
     }
   #endif
 }
 
       Layout();
     }
   #endif
 }
 

-void wxDialog::OnCloseWindow(wxCloseEvent& event)
-{
-    // Compatibility
-    if ( GetEventHandler()->OnClose() || event.GetForce())
-    {
-        this->Destroy();
-    }
-    else
-        event.Veto(TRUE);
-}
-
-// Destroy the window (delayed, if a managed window)
-bool wxDialog::Destroy(void)
-{
-  if (!wxPendingDelete.Member(this))
-    wxPendingDelete.Append(this);
-  return TRUE;
-}
-

 void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& event)
 {
 #if wxUSE_CTL3D
 void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& event)
 {
 #if wxUSE_CTL3D


@@ -615,8 +638,26 @@ void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& event)
 #endif
 }
 
 #endif
 }
 

+// ---------------------------------------------------------------------------
+// dialog window proc
+// ---------------------------------------------------------------------------
+

 long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 {
 long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 {

-  return wxWindow::MSWWindowProc(message, wParam, lParam);
-}
+    long rc = 0;
+    bool processed = FALSE;
+
+    switch ( message )
+    {
+        case WM_CLOSE:
+            // if we can't close, tell the system that we processed the
+            // message - otherwise it would close us
+            processed = !Close();
+            break;
+    }

 
 

+    if ( !processed )
+        rc = wxWindow::MSWWindowProc(message, wParam, lParam);
+
+    return rc;
+}