added code to free memory allocated in wxSetEnv() when it uses putenv()

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

diff --git a/src/msw/mdi.cpp b/src/msw/mdi.cpp
index b5744e22cee977d7d0f3302ae8d9d97c8daa8042..7114765e93ab331640e7612d3386d34ab33b4a10 100644 (file)
--- a/src/msw/mdi.cpp
+++ b/src/msw/mdi.cpp
@@ -5,8 +5,8 @@
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:     wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 // ===========================================================================
 /////////////////////////////////////////////////////////////////////////////
 
 // ===========================================================================


@@ -17,10 +17,6 @@
 // headers
 // ---------------------------------------------------------------------------
 
 // headers
 // ---------------------------------------------------------------------------
 

-#ifdef __GNUG__
-    #pragma implementation "mdi.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"
 


@@ -28,69 +24,58 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#if wxUSE_MDI && !defined(__WXUNIVERSAL__)
+
+#include "wx/mdi.h"
+

 #ifndef WX_PRECOMP
 #ifndef WX_PRECOMP

-    #include "wx/setup.h"

     #include "wx/frame.h"
     #include "wx/menu.h"
     #include "wx/app.h"
     #include "wx/utils.h"
     #include "wx/dialog.h"
     #include "wx/frame.h"
     #include "wx/menu.h"
     #include "wx/app.h"
     #include "wx/utils.h"
     #include "wx/dialog.h"

-    #if wxUSE_STATUSBAR
-        #include "wx/statusbr.h"
-    #endif
+    #include "wx/statusbr.h"

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

+    #include "wx/toolbar.h"

 #endif
 
 #endif
 

-#include "wx/mdi.h"
+#include "wx/stockitem.h"

 #include "wx/msw/private.h"
 
 #if wxUSE_STATUSBAR && wxUSE_NATIVE_STATUSBAR
     #include "wx/msw/statbr95.h"
 #endif
 
 #include "wx/msw/private.h"
 
 #if wxUSE_STATUSBAR && wxUSE_NATIVE_STATUSBAR
     #include "wx/msw/statbr95.h"
 #endif
 

-#if wxUSE_TOOLBAR
-    #include "wx/toolbar.h"
-#endif // wxUSE_TOOLBAR
-

 #include <string.h>
 
 // ---------------------------------------------------------------------------
 // global variables
 // ---------------------------------------------------------------------------
 
 #include <string.h>
 
 // ---------------------------------------------------------------------------
 // global variables
 // ---------------------------------------------------------------------------
 

-extern wxWindowList wxModelessWindows;      // from dialog.cpp

 extern wxMenu *wxCurrentPopupMenu;
 
 extern const wxChar *wxMDIFrameClassName;   // from app.cpp
 extern const wxChar *wxMDIChildFrameClassName;
 extern const wxChar *wxMDIChildFrameClassNameNoRedraw;
 extern wxMenu *wxCurrentPopupMenu;
 
 extern const wxChar *wxMDIFrameClassName;   // from app.cpp
 extern const wxChar *wxMDIChildFrameClassName;
 extern const wxChar *wxMDIChildFrameClassNameNoRedraw;

-
-extern void wxAssociateWinWithHandle(HWND hWnd, wxWindow *win);

 extern void wxRemoveHandleAssociation(wxWindow *win);
 
 extern void wxRemoveHandleAssociation(wxWindow *win);
 

-static HWND invalidHandle = 0;
-

 // ---------------------------------------------------------------------------
 // constants
 // ---------------------------------------------------------------------------
 
 // ---------------------------------------------------------------------------
 // constants
 // ---------------------------------------------------------------------------
 

-static const int IDM_WINDOWTILE  = 4001;

 static const int IDM_WINDOWTILEHOR  = 4001;
 static const int IDM_WINDOWCASCADE = 4002;
 static const int IDM_WINDOWICONS = 4003;
 static const int IDM_WINDOWNEXT = 4004;
 static const int IDM_WINDOWTILEVERT = 4005;
 static const int IDM_WINDOWTILEHOR  = 4001;
 static const int IDM_WINDOWCASCADE = 4002;
 static const int IDM_WINDOWICONS = 4003;
 static const int IDM_WINDOWNEXT = 4004;
 static const int IDM_WINDOWTILEVERT = 4005;

+static const int IDM_WINDOWPREV = 4006;

 
 // This range gives a maximum of 500 MDI children. Should be enough :-)
 static const int wxFIRST_MDI_CHILD = 4100;
 static const int wxLAST_MDI_CHILD = 4600;
 
 
 // This range gives a maximum of 500 MDI children. Should be enough :-)
 static const int wxFIRST_MDI_CHILD = 4100;
 static const int wxLAST_MDI_CHILD = 4600;
 

-// Status border dimensions
-static const int wxTHICK_LINE_BORDER = 3;
-static const int wxTHICK_LINE_WIDTH  = 1;
-

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


@@ -137,6 +122,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow, wxWindow)
 
 BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
     EVT_SIZE(wxMDIParentFrame::OnSize)
 
 BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
     EVT_SIZE(wxMDIParentFrame::OnSize)

+    EVT_ICONIZE(wxMDIParentFrame::OnIconized)

     EVT_SYS_COLOUR_CHANGED(wxMDIParentFrame::OnSysColourChanged)
 END_EVENT_TABLE()
 
     EVT_SYS_COLOUR_CHANGED(wxMDIParentFrame::OnSysColourChanged)
 END_EVENT_TABLE()
 


@@ -158,7 +144,7 @@ wxMDIParentFrame::wxMDIParentFrame()
     m_clientWindow = NULL;
     m_currentChild = NULL;
     m_windowMenu = (wxMenu*) NULL;
     m_clientWindow = NULL;
     m_currentChild = NULL;
     m_windowMenu = (wxMenu*) NULL;

-    m_parentFrameActive = TRUE;
+    m_parentFrameActive = true;

 }
 
 bool wxMDIParentFrame::Create(wxWindow *parent,
 }
 
 bool wxMDIParentFrame::Create(wxWindow *parent,


@@ -188,9 +174,10 @@ bool wxMDIParentFrame::Create(wxWindow *parent,
       m_windowMenu->AppendSeparator();
       m_windowMenu->Append(IDM_WINDOWICONS, _("&Arrange Icons"));
       m_windowMenu->Append(IDM_WINDOWNEXT, _("&Next"));
       m_windowMenu->AppendSeparator();
       m_windowMenu->Append(IDM_WINDOWICONS, _("&Arrange Icons"));
       m_windowMenu->Append(IDM_WINDOWNEXT, _("&Next"));

+      m_windowMenu->Append(IDM_WINDOWPREV, _("&Previous"));

   }
 
   }
 

-  m_parentFrameActive = TRUE;
+  m_parentFrameActive = true;

 
   if (!parent)
     wxTopLevelWindows.Append(this);
 
   if (!parent)
     wxTopLevelWindows.Append(this);


@@ -201,38 +188,44 @@ bool wxMDIParentFrame::Create(wxWindow *parent,
   if ( parent )
       parent->AddChild(this);
 
   if ( parent )
       parent->AddChild(this);
 

-  if ( id > -1 )
+  if ( id != wxID_ANY )

     m_windowId = id;
   else
     m_windowId = NewControlId();
 
     m_windowId = id;
   else
     m_windowId = NewControlId();
 

-  long exflags;
-  long msflags = MSWGetCreateWindowFlags(&exflags);
+  WXDWORD exflags;
+  WXDWORD msflags = MSWGetCreateWindowFlags(&exflags);
+  msflags &= ~WS_VSCROLL;
+  msflags &= ~WS_HSCROLL;

 
   if ( !wxWindow::MSWCreate(wxMDIFrameClassName,
 
   if ( !wxWindow::MSWCreate(wxMDIFrameClassName,

-                            title,
+                            title.wx_str(),

                             pos, size,
                             msflags,
                             exflags) )
   {
                             pos, size,
                             msflags,
                             exflags) )
   {

-      return FALSE;
+      return false;

   }
 
   }
 

-  wxModelessWindows.Append(this);
+  SetOwnBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));

 
   // unlike (almost?) all other windows, frames are created hidden
 
   // unlike (almost?) all other windows, frames are created hidden

-  m_isShown = FALSE;
+  m_isShown = false;

 
 

-  return TRUE;
+  return true;

 }
 
 wxMDIParentFrame::~wxMDIParentFrame()
 {
 }
 
 wxMDIParentFrame::~wxMDIParentFrame()
 {

-    DestroyChildren();
-
-    // already delete by DestroyChildren()
+    // see comment in ~wxMDIChildFrame
+#if wxUSE_TOOLBAR

     m_frameToolBar = NULL;
     m_frameToolBar = NULL;

+#endif
+#if wxUSE_STATUSBAR

     m_frameStatusBar = NULL;
     m_frameStatusBar = NULL;

+#endif // wxUSE_STATUSBAR
+
+    DestroyChildren();

 
     if (m_windowMenu)
     {
 
     if (m_windowMenu)
     {


@@ -245,7 +238,7 @@ wxMDIParentFrame::~wxMDIParentFrame()
     if ( m_hMenu )
     {
         ::DestroyMenu((HMENU)m_hMenu);
     if ( m_hMenu )
     {
         ::DestroyMenu((HMENU)m_hMenu);

-        m_hMenu = NULL;
+        m_hMenu = (WXHMENU)NULL;

     }
 
     if ( m_clientWindow )
     }
 
     if ( m_clientWindow )


@@ -262,7 +255,7 @@ wxMDIParentFrame::~wxMDIParentFrame()
 
 void wxMDIParentFrame::InternalSetMenuBar()
 {
 
 void wxMDIParentFrame::InternalSetMenuBar()
 {

-    m_parentFrameActive = TRUE;
+    m_parentFrameActive = true;

 
     InsertWindowMenu(GetClientWindow(), m_hMenu, GetMDIWindowMenu(this));
 }
 
     InsertWindowMenu(GetClientWindow(), m_hMenu, GetMDIWindowMenu(this));
 }


@@ -294,7 +287,46 @@ void wxMDIParentFrame::SetWindowMenu(wxMenu* menu)
     }
 }
 
     }
 }
 

-void wxMDIParentFrame::OnSize(wxSizeEvent&)
+void wxMDIParentFrame::DoMenuUpdates(wxMenu* menu)
+{
+    wxMDIChildFrame *child = GetActiveChild();
+    if ( child )
+    {
+        wxEvtHandler* source = child->GetEventHandler();
+        wxMenuBar* bar = child->GetMenuBar();
+
+        if (menu)
+        {
+            menu->UpdateUI(source);
+        }
+        else
+        {
+            if ( bar != NULL )
+            {
+                int nCount = bar->GetMenuCount();
+                for (int n = 0; n < nCount; n++)
+                    bar->GetMenu(n)->UpdateUI(source);
+            }
+        }
+    }
+    else
+    {
+        wxFrameBase::DoMenuUpdates(menu);
+    }
+}
+
+const wxMenuItem *wxMDIParentFrame::FindItemInMenuBar(int menuId) const
+{
+    const wxMenuItem *item = wxFrame::FindItemInMenuBar(menuId);
+    if ( !item && m_currentChild )
+    {
+        item = m_currentChild->FindItemInMenuBar(menuId);
+    }
+
+    return item;
+}
+
+void wxMDIParentFrame::UpdateClientSize()

 {
     if ( GetClientWindow() )
     {
 {
     if ( GetClientWindow() )
     {


@@ -305,6 +337,23 @@ void wxMDIParentFrame::OnSize(wxSizeEvent&)
     }
 }
 
     }
 }
 

+void wxMDIParentFrame::OnSize(wxSizeEvent& WXUNUSED(event))
+{
+    UpdateClientSize();
+
+    // do not call event.Skip() here, it somehow messes up MDI client window
+}
+
+void wxMDIParentFrame::OnIconized(wxIconizeEvent& event)
+{
+    event.Skip();
+
+    if ( !event.Iconized() )
+    {
+        UpdateClientSize();
+    }
+}
+

 // Returns the active MDI child window
 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
 {
 // Returns the active MDI child window
 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
 {


@@ -337,8 +386,8 @@ void wxMDIParentFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 
 WXHICON wxMDIParentFrame::GetDefaultIcon() const
 {
 
 WXHICON wxMDIParentFrame::GetDefaultIcon() const
 {

-    return (WXHICON)(wxSTD_MDIPARENTFRAME_ICON ? wxSTD_MDIPARENTFRAME_ICON
-                                               : wxDEFAULT_MDIPARENTFRAME_ICON);
+    // we don't have any standard icons (any more)
+    return (WXHICON)0;

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


@@ -350,10 +399,14 @@ void wxMDIParentFrame::Cascade()
     ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDICASCADE, 0, 0);
 }
 
     ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDICASCADE, 0, 0);
 }
 

-// TODO: add a direction argument (hor/vert)
-void wxMDIParentFrame::Tile()
+void wxMDIParentFrame::Tile(wxOrientation orient)

 {
 {

-    ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDITILE, MDITILE_HORIZONTAL, 0);
+    wxASSERT_MSG( orient == wxHORIZONTAL || orient == wxVERTICAL,
+                  _T("invalid orientation value") );
+
+    ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDITILE,
+                  orient == wxHORIZONTAL ? MDITILE_HORIZONTAL
+                                         : MDITILE_VERTICAL, 0);

 }
 
 void wxMDIParentFrame::ArrangeIcons()
 }
 
 void wxMDIParentFrame::ArrangeIcons()


@@ -375,12 +428,12 @@ void wxMDIParentFrame::ActivatePrevious()
 // the MDI parent frame window proc
 // ---------------------------------------------------------------------------
 
 // the MDI parent frame window proc
 // ---------------------------------------------------------------------------
 

-long wxMDIParentFrame::MSWWindowProc(WXUINT message,
+WXLRESULT wxMDIParentFrame::MSWWindowProc(WXUINT message,

                                      WXWPARAM wParam,
                                      WXLPARAM lParam)
 {
                                      WXWPARAM wParam,
                                      WXLPARAM lParam)
 {

-    long rc = 0;
-    bool processed = FALSE;
+    WXLRESULT rc = 0;
+    bool processed = false;

 
     switch ( message )
     {
 
     switch ( message )
     {


@@ -403,13 +456,13 @@ long wxMDIParentFrame::MSWWindowProc(WXUINT message,
                 (void)HandleCommand(id, cmd, hwnd);
 
                 // even if the frame didn't process it, there is no need to try it
                 (void)HandleCommand(id, cmd, hwnd);
 
                 // even if the frame didn't process it, there is no need to try it

-                // once again (i.e. call wxFrame::HandleCommand()) - we just dud it,
+                // once again (i.e. call wxFrame::HandleCommand()) - we just did it,

                 // so pretend we processed the message anyhow
                 // so pretend we processed the message anyhow

-                processed = TRUE;
+                processed = true;

             }
 
             // always pass this message DefFrameProc(), otherwise MDI menu
             }
 
             // always pass this message DefFrameProc(), otherwise MDI menu

-            // commands (and sys commands - more surprizingly!) won't work
+            // commands (and sys commands - more surprisingly!) won't work

             MSWDefWindowProc(message, wParam, lParam);
             break;
 
             MSWDefWindowProc(message, wParam, lParam);
             break;
 


@@ -423,38 +476,19 @@ long wxMDIParentFrame::MSWWindowProc(WXUINT message,
                 rc = -1;
             }
 
                 rc = -1;
             }
 

-            processed = TRUE;
+            processed = true;

             break;
 
         case WM_ERASEBKGND:
             break;
 
         case WM_ERASEBKGND:

-            processed = TRUE;
+            processed = true;

 
             // we erase background ourselves
 
             // we erase background ourselves

-            rc = TRUE;
-            break;
-
-        case WM_MENUSELECT:
-            {
-                WXWORD item, flags;
-                WXHMENU hmenu;
-                UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
-
-                if ( m_parentFrameActive )
-                {
-                    processed = HandleMenuSelect(item, flags, hmenu);
-                }
-                else if (m_currentChild)
-                {
-                    processed = m_currentChild->
-                        HandleMenuSelect(item, flags, hmenu);
-                }
-            }
+            rc = true;

             break;
 
         case WM_SIZE:
             break;
 
         case WM_SIZE:

-            // as we don't (usually) resize the MDI client to exactly fit the
-            // client area (we put it below the toolbar, above statusbar &c),
-            // we should not pass this one to DefFrameProc
+            // though we don't (usually) resize the MDI client to exactly fit the
+            // client area we need to pass this one to DefFrameProc to allow the children to show

             break;
     }
 
             break;
     }
 


@@ -466,12 +500,12 @@ long wxMDIParentFrame::MSWWindowProc(WXUINT message,
 
 bool wxMDIParentFrame::HandleActivate(int state, bool minimized, WXHWND activate)
 {
 
 bool wxMDIParentFrame::HandleActivate(int state, bool minimized, WXHWND activate)
 {

-    bool processed = FALSE;
+    bool processed = false;

 
     if ( wxWindow::HandleActivate(state, minimized, activate) )
     {
         // already processed
 
     if ( wxWindow::HandleActivate(state, minimized, activate) )
     {
         // already processed

-        processed = TRUE;
+        processed = true;

     }
 
     // If this window is an MDI parent, we must also send an OnActivate message
     }
 
     // If this window is an MDI parent, we must also send an OnActivate message


@@ -479,10 +513,10 @@ bool wxMDIParentFrame::HandleActivate(int state, bool minimized, WXHWND activate
     if ( (m_currentChild != NULL) &&
          ((state == WA_ACTIVE) || (state == WA_CLICKACTIVE)) )
     {
     if ( (m_currentChild != NULL) &&
          ((state == WA_ACTIVE) || (state == WA_CLICKACTIVE)) )
     {

-        wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_currentChild->GetId());
+        wxActivateEvent event(wxEVT_ACTIVATE, true, m_currentChild->GetId());

         event.SetEventObject( m_currentChild );
         if ( m_currentChild->GetEventHandler()->ProcessEvent(event) )
         event.SetEventObject( m_currentChild );
         if ( m_currentChild->GetEventHandler()->ProcessEvent(event) )

-            processed = TRUE;
+            processed = true;

     }
 
     return processed;
     }
 
     return processed;


@@ -498,8 +532,17 @@ bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
             return win->MSWCommand(cmd, id);
     }
 
             return win->MSWCommand(cmd, id);
     }
 

+    if (wxCurrentPopupMenu)
+    {
+        wxMenu *popupMenu = wxCurrentPopupMenu;
+        wxCurrentPopupMenu = NULL;
+        if (popupMenu->MSWCommand(cmd, id))
+            return true;
+    }
+

     // is it one of standard MDI commands?
     WXWPARAM wParam = 0;
     // is it one of standard MDI commands?
     WXWPARAM wParam = 0;

+    WXLPARAM lParam = 0;

     int msg;
     switch ( id )
     {
     int msg;
     switch ( id )
     {


@@ -525,6 +568,12 @@ bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
 
         case IDM_WINDOWNEXT:
             msg = WM_MDINEXT;
 
         case IDM_WINDOWNEXT:
             msg = WM_MDINEXT;

+            lParam = 0;         // next child
+            break;
+
+        case IDM_WINDOWPREV:
+            msg = WM_MDINEXT;
+            lParam = 1;         // previous child

             break;
 
         default:
             break;
 
         default:


@@ -533,23 +582,23 @@ bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
 
     if ( msg )
     {
 
     if ( msg )
     {

-        ::SendMessage(GetWinHwnd(GetClientWindow()), msg, wParam, 0);
+        ::SendMessage(GetWinHwnd(GetClientWindow()), msg, wParam, lParam);

 
 

-        return TRUE;
+        return true;

     }
 
     // FIXME VZ: what does this test do??
     if (id >= 0xF000)
     {
     }
 
     // FIXME VZ: what does this test do??
     if (id >= 0xF000)
     {

-        return FALSE; // Get WndProc to call default proc
+        return false; // Get WndProc to call default proc

     }
 
     if ( IsMdiCommandId(id) )
     {
     }
 
     if ( IsMdiCommandId(id) )
     {

-        wxWindowList::Node* node = GetChildren().GetFirst();
+        wxWindowList::compatibility_iterator node = GetChildren().GetFirst();

         while ( node )
         {
         while ( node )
         {

-            wxWindow* child = node->GetData();
+            wxWindow *child = node->GetData();

             if ( child->GetHWND() )
             {
                 long childId = wxGetWindowId(child->GetHWND());
             if ( child->GetHWND() )
             {
                 long childId = wxGetWindowId(child->GetHWND());


@@ -558,7 +607,7 @@ bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
                     ::SendMessage( GetWinHwnd(GetClientWindow()),
                                    WM_MDIACTIVATE,
                                    (WPARAM)child->GetHWND(), 0);
                     ::SendMessage( GetWinHwnd(GetClientWindow()),
                                    WM_MDIACTIVATE,
                                    (WPARAM)child->GetHWND(), 0);

-                    return TRUE;
+                    return true;

                 }
             }
             node = node->GetNext();
                 }
             }
             node = node->GetNext();


@@ -579,10 +628,10 @@ bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
         wxFAIL_MSG(wxT("MDI parent frame is not active, yet there is no active MDI child?"));
     }
 
         wxFAIL_MSG(wxT("MDI parent frame is not active, yet there is no active MDI child?"));
     }
 

-    return FALSE;
+    return false;

 }
 
 }
 

-long wxMDIParentFrame::MSWDefWindowProc(WXUINT message,
+WXLRESULT wxMDIParentFrame::MSWDefWindowProc(WXUINT message,

                                         WXWPARAM wParam,
                                         WXLPARAM lParam)
 {
                                         WXWPARAM wParam,
                                         WXLPARAM lParam)
 {


@@ -603,23 +652,23 @@ bool wxMDIParentFrame::MSWTranslateMessage(WXMSG* msg)
     if ( m_currentChild && m_currentChild->GetHWND() &&
          m_currentChild->MSWTranslateMessage(msg) )
     {
     if ( m_currentChild && m_currentChild->GetHWND() &&
          m_currentChild->MSWTranslateMessage(msg) )
     {

-        return TRUE;
+        return true;

     }
 
     // then try out accel table (will also check the menu accels)
     if ( wxFrame::MSWTranslateMessage(msg) )
     {
     }
 
     // then try out accel table (will also check the menu accels)
     if ( wxFrame::MSWTranslateMessage(msg) )
     {

-        return TRUE;
+        return true;

     }
 
     // finally, check for MDI specific built in accel keys
     if ( pMsg->message == WM_KEYDOWN || pMsg->message == WM_SYSKEYDOWN )
     {
         if ( ::TranslateMDISysAccel(GetWinHwnd(GetClientWindow()), pMsg))
     }
 
     // finally, check for MDI specific built in accel keys
     if ( pMsg->message == WM_KEYDOWN || pMsg->message == WM_SYSKEYDOWN )
     {
         if ( ::TranslateMDISysAccel(GetWinHwnd(GetClientWindow()), pMsg))

-            return TRUE;
+            return true;

     }
 
     }
 

-    return FALSE;
+    return false;

 }
 
 // ===========================================================================
 }
 
 // ===========================================================================


@@ -628,7 +677,8 @@ bool wxMDIParentFrame::MSWTranslateMessage(WXMSG* msg)
 
 void wxMDIChildFrame::Init()
 {
 
 void wxMDIChildFrame::Init()
 {

-    m_needsResize = TRUE;
+    m_needsResize = true;
+    m_needsInitialShow = true;

 }
 
 bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
 }
 
 bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,


@@ -640,9 +690,8 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
                              const wxString& name)
 {
   SetName(name);
                              const wxString& name)
 {
   SetName(name);

-  wxWindowBase::Show(TRUE); // MDI child frame starts off shown

 
 

-  if ( id > -1 )
+  if ( id != wxID_ANY )

     m_windowId = id;
   else
     m_windowId = (int)NewControlId();
     m_windowId = id;
   else
     m_windowId = (int)NewControlId();


@@ -659,37 +708,37 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
 
   MDICREATESTRUCT mcs;
 
 
   MDICREATESTRUCT mcs;
 

-  mcs.szClass = style & wxNO_FULL_REPAINT_ON_RESIZE
-                    ? wxMDIChildFrameClassNameNoRedraw
-                    : wxMDIChildFrameClassName;
-  mcs.szTitle = title;
+  mcs.szClass = style & wxFULL_REPAINT_ON_RESIZE
+                    ? wxMDIChildFrameClassName
+                    : wxMDIChildFrameClassNameNoRedraw;
+  mcs.szTitle = title.wx_str();

   mcs.hOwner = wxGetInstance();
   mcs.hOwner = wxGetInstance();

-  if (x > -1)
+  if (x != wxDefaultCoord)

       mcs.x = x;
   else
       mcs.x = CW_USEDEFAULT;
 
       mcs.x = x;
   else
       mcs.x = CW_USEDEFAULT;
 

-  if (y > -1)
+  if (y != wxDefaultCoord)

       mcs.y = y;
   else
       mcs.y = CW_USEDEFAULT;
 
       mcs.y = y;
   else
       mcs.y = CW_USEDEFAULT;
 

-  if (width > -1)
+  if (width != wxDefaultCoord)

       mcs.cx = width;
   else
       mcs.cx = CW_USEDEFAULT;
 
       mcs.cx = width;
   else
       mcs.cx = CW_USEDEFAULT;
 

-  if (height > -1)
+  if (height != wxDefaultCoord)

       mcs.cy = height;
   else
       mcs.cy = CW_USEDEFAULT;
 
       mcs.cy = height;
   else
       mcs.cy = CW_USEDEFAULT;
 

-  DWORD msflags = WS_OVERLAPPED | WS_CLIPCHILDREN | WS_THICKFRAME | WS_VISIBLE ;
+  DWORD msflags = WS_OVERLAPPED | WS_CLIPCHILDREN;

   if (style & wxMINIMIZE_BOX)
     msflags |= WS_MINIMIZEBOX;
   if (style & wxMAXIMIZE_BOX)
     msflags |= WS_MAXIMIZEBOX;
   if (style & wxMINIMIZE_BOX)
     msflags |= WS_MINIMIZEBOX;
   if (style & wxMAXIMIZE_BOX)
     msflags |= WS_MAXIMIZEBOX;

-  if (style & wxTHICK_FRAME)
+  if (style & wxRESIZE_BORDER)

     msflags |= WS_THICKFRAME;
   if (style & wxSYSTEM_MENU)
     msflags |= WS_SYSMENU;
     msflags |= WS_THICKFRAME;
   if (style & wxSYSTEM_MENU)
     msflags |= WS_SYSMENU;


@@ -709,28 +758,62 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
   m_hWnd = (WXHWND)::SendMessage(GetWinHwnd(parent->GetClientWindow()),
                                  WM_MDICREATE, 0, (LONG)(LPSTR)&mcs);
 
   m_hWnd = (WXHWND)::SendMessage(GetWinHwnd(parent->GetClientWindow()),
                                  WM_MDICREATE, 0, (LONG)(LPSTR)&mcs);
 

-  wxAssociateWinWithHandle((HWND) GetHWND(), this);
+  if ( !m_hWnd )
+  {
+      wxLogLastError(_T("WM_MDICREATE"));
+      return false;
+  }

 
 

-  wxModelessWindows.Append(this);
+  SubclassWin(m_hWnd);

 
 

-  return TRUE;
+  return true;

 }
 
 wxMDIChildFrame::~wxMDIChildFrame()
 {
 }
 
 wxMDIChildFrame::~wxMDIChildFrame()
 {

-    DestroyChildren();
+    // if we hadn't been created, there is nothing to destroy
+    if ( !m_hWnd )
+        return;

 
 

-    // already deleted by DestroyChildren()
+    // will be destroyed by DestroyChildren() but reset them before calling it
+    // to avoid using dangling pointers if a callback comes in the meanwhile
+#if wxUSE_TOOLBAR

     m_frameToolBar = NULL;
     m_frameToolBar = NULL;

+#endif
+#if wxUSE_STATUSBAR

     m_frameStatusBar = NULL;
     m_frameStatusBar = NULL;

+#endif // wxUSE_STATUSBAR
+
+    DestroyChildren();

 
     RemoveWindowMenu(NULL, m_hMenu);
 
     MSWDestroyWindow();
 }
 
 
     RemoveWindowMenu(NULL, m_hMenu);
 
     MSWDestroyWindow();
 }
 

+bool wxMDIChildFrame::Show(bool show)
+{
+    m_needsInitialShow = false;
+
+    if (!wxFrame::Show(show))
+        return false;
+
+    // KH: Without this call, new MDI children do not become active.
+    // This was added here after the same BringWindowToTop call was
+    // removed from wxTopLevelWindow::Show (November 2005)
+    if ( show )
+        ::BringWindowToTop(GetHwnd());
+
+    // we need to refresh the MDI frame window menu to include (or exclude if
+    // we've been hidden) this frame
+    wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
+    MDISetMenu(parent->GetClientWindow(), NULL, NULL);
+
+    return true;
+}
+

 // Set the client size (i.e. leave the calculation of borders etc.
 // Set the client size (i.e. leave the calculation of borders etc.

-// to wxWindows)
+// to wxWidgets)

 void wxMDIChildFrame::DoSetClientSize(int width, int height)
 {
   HWND hWnd = GetHwnd();
 void wxMDIChildFrame::DoSetClientSize(int width, int height)
 {
   HWND hWnd = GetHwnd();


@@ -747,12 +830,14 @@ void wxMDIChildFrame::DoSetClientSize(int width, int height)
   int actual_width = rect2.right - rect2.left - rect.right + width;
   int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
 
   int actual_width = rect2.right - rect2.left - rect.right + width;
   int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
 

+#if wxUSE_STATUSBAR

   if (GetStatusBar() && GetStatusBar()->IsShown())
   {
     int sx, sy;
     GetStatusBar()->GetSize(&sx, &sy);
     actual_height += sy;
   }
   if (GetStatusBar() && GetStatusBar()->IsShown())
   {
     int sx, sy;
     GetStatusBar()->GetSize(&sx, &sy);
     actual_height += sy;
   }

+#endif // wxUSE_STATUSBAR

 
   POINT point;
   point.x = rect2.left;
 
   POINT point;
   point.x = rect2.left;


@@ -763,13 +848,29 @@ void wxMDIChildFrame::DoSetClientSize(int width, int height)
   wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent();
   ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point);
 
   wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent();
   ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point);
 

-  MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)TRUE);
+  MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)true);

 
 

-  wxSizeEvent event(wxSize(width, height), m_windowId);
+  wxSize size(width, height);
+  wxSizeEvent event(size, m_windowId);

   event.SetEventObject( this );
   GetEventHandler()->ProcessEvent(event);
 }
 
   event.SetEventObject( this );
   GetEventHandler()->ProcessEvent(event);
 }
 

+// Unlike other wxTopLevelWindowBase, the mdi child's "GetPosition" is not the
+//  same as its GetScreenPosition
+void wxMDIChildFrame::DoGetScreenPosition(int *x, int *y) const
+{
+  HWND hWnd = GetHwnd();
+
+  RECT rect;
+  ::GetWindowRect(hWnd, &rect);
+  if (x)
+     *x = rect.left;
+  if (y)
+     *y = rect.top;
+}
+
+

 void wxMDIChildFrame::DoGetPosition(int *x, int *y) const
 {
   RECT rect;
 void wxMDIChildFrame::DoGetPosition(int *x, int *y) const
 {
   RECT rect;


@@ -783,8 +884,10 @@ void wxMDIChildFrame::DoGetPosition(int *x, int *y) const
   wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent();
   ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point);
 
   wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent();
   ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point);
 

-  *x = point.x;
-  *y = point.y;
+  if (x)
+      *x = point.x;
+  if (y)
+      *y = point.y;

 }
 
 void wxMDIChildFrame::InternalSetMenuBar()
 }
 
 void wxMDIChildFrame::InternalSetMenuBar()


@@ -794,13 +897,19 @@ void wxMDIChildFrame::InternalSetMenuBar()
     InsertWindowMenu(parent->GetClientWindow(),
                      m_hMenu, GetMDIWindowMenu(parent));
 
     InsertWindowMenu(parent->GetClientWindow(),
                      m_hMenu, GetMDIWindowMenu(parent));
 

-    parent->m_parentFrameActive = FALSE;
+    parent->m_parentFrameActive = false;
+}
+
+void wxMDIChildFrame::DetachMenuBar()
+{
+    RemoveWindowMenu(NULL, m_hMenu);
+    wxFrame::DetachMenuBar();

 }
 
 WXHICON wxMDIChildFrame::GetDefaultIcon() const
 {
 }
 
 WXHICON wxMDIChildFrame::GetDefaultIcon() const
 {

-    return (WXHICON)(wxSTD_MDICHILDFRAME_ICON ? wxSTD_MDICHILDFRAME_ICON
-                                              : wxDEFAULT_MDICHILDFRAME_ICON);
+    // we don't have any standard icons (any more)
+    return (WXHICON)0;

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


@@ -842,12 +951,12 @@ void wxMDIChildFrame::Activate()
 // MDI window proc and message handlers
 // ---------------------------------------------------------------------------
 
 // MDI window proc and message handlers
 // ---------------------------------------------------------------------------
 

-long wxMDIChildFrame::MSWWindowProc(WXUINT message,
+WXLRESULT wxMDIChildFrame::MSWWindowProc(WXUINT message,

                                     WXWPARAM wParam,
                                     WXLPARAM lParam)
 {
                                     WXWPARAM wParam,
                                     WXLPARAM lParam)
 {

-    long rc = 0;
-    bool processed = FALSE;
+    WXLRESULT rc = 0;
+    bool processed = false;

 
     switch ( message )
     {
 
     switch ( message )
     {


@@ -919,7 +1028,7 @@ bool wxMDIChildFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
         wxMenu *popupMenu = wxCurrentPopupMenu;
         wxCurrentPopupMenu = NULL;
         if (popupMenu->MSWCommand(cmd, id))
         wxMenu *popupMenu = wxCurrentPopupMenu;
         wxCurrentPopupMenu = NULL;
         if (popupMenu->MSWCommand(cmd, id))

-            return TRUE;
+            return true;

     }
 
     bool processed;
     }
 
     bool processed;


@@ -929,7 +1038,7 @@ bool wxMDIChildFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
     }
     else
     {
     }
     else
     {

-        processed = FALSE;
+        processed = false;

     }
 
     return processed;
     }
 
     return processed;


@@ -947,13 +1056,13 @@ bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate),
 
     if ( m_hWnd == hwndAct )
     {
 
     if ( m_hWnd == hwndAct )
     {

-        activated = TRUE;
+        activated = true;

         parent->m_currentChild = this;
 
         HMENU child_menu = (HMENU)GetWinMenu();
         if ( child_menu )
         {
         parent->m_currentChild = this;
 
         HMENU child_menu = (HMENU)GetWinMenu();
         if ( child_menu )
         {

-            parent->m_parentFrameActive = FALSE;
+            parent->m_parentFrameActive = false;

 
             menuToSet = child_menu;
         }
 
             menuToSet = child_menu;
         }


@@ -963,7 +1072,7 @@ bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate),
         wxASSERT_MSG( parent->m_currentChild == this,
                       wxT("can't deactivate MDI child which wasn't active!") );
 
         wxASSERT_MSG( parent->m_currentChild == this,
                       wxT("can't deactivate MDI child which wasn't active!") );
 

-        activated = FALSE;
+        activated = false;

         parent->m_currentChild = NULL;
 
         HMENU parent_menu = (HMENU)parent->GetWinMenu();
         parent->m_currentChild = NULL;
 
         HMENU parent_menu = (HMENU)parent->GetWinMenu();


@@ -972,7 +1081,7 @@ bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate),
         // that has been activated
         if ( parent_menu && !hwndAct )
         {
         // that has been activated
         if ( parent_menu && !hwndAct )
         {

-            parent->m_parentFrameActive = TRUE;
+            parent->m_parentFrameActive = true;

 
             menuToSet = parent_menu;
         }
 
             menuToSet = parent_menu;
         }


@@ -980,7 +1089,7 @@ bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate),
     else
     {
         // we have nothing to do with it
     else
     {
         // we have nothing to do with it

-        return FALSE;
+        return false;

     }
 
     if ( menuToSet )
     }
 
     if ( menuToSet )


@@ -1000,7 +1109,7 @@ bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate),
 bool wxMDIChildFrame::HandleWindowPosChanging(void *pos)
 {
     WINDOWPOS *lpPos = (WINDOWPOS *)pos;
 bool wxMDIChildFrame::HandleWindowPosChanging(void *pos)
 {
     WINDOWPOS *lpPos = (WINDOWPOS *)pos;

-#if defined(__WIN95__)
+

     if (!(lpPos->flags & SWP_NOSIZE))
     {
         RECT rectClient;
     if (!(lpPos->flags & SWP_NOSIZE))
     {
         RECT rectClient;


@@ -1008,21 +1117,15 @@ bool wxMDIChildFrame::HandleWindowPosChanging(void *pos)
         DWORD dwStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE);
         if (ResetWindowStyle((void *) & rectClient) && (dwStyle & WS_MAXIMIZE))
         {
         DWORD dwStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE);
         if (ResetWindowStyle((void *) & rectClient) && (dwStyle & WS_MAXIMIZE))
         {

-            ::AdjustWindowRectEx(&rectClient, dwStyle, FALSE, dwExStyle);
+            ::AdjustWindowRectEx(&rectClient, dwStyle, false, dwExStyle);

             lpPos->x = rectClient.left;
             lpPos->y = rectClient.top;
             lpPos->cx = rectClient.right - rectClient.left;
             lpPos->cy = rectClient.bottom - rectClient.top;
         }
             lpPos->x = rectClient.left;
             lpPos->y = rectClient.top;
             lpPos->cx = rectClient.right - rectClient.left;
             lpPos->cy = rectClient.bottom - rectClient.top;
         }

-        wxMDIParentFrame* pFrameWnd = (wxMDIParentFrame *)GetParent();
-        if (pFrameWnd && pFrameWnd->GetToolBar() && pFrameWnd->GetToolBar()->IsShown())
-        {
-            pFrameWnd->GetToolBar()->Refresh();
-        }

     }
     }

-#endif // Win95

 
 

-    return FALSE;
+    return false;

 }
 
 bool wxMDIChildFrame::HandleGetMinMaxInfo(void *mmInfo)
 }
 
 bool wxMDIChildFrame::HandleGetMinMaxInfo(void *mmInfo)


@@ -1034,29 +1137,32 @@ bool wxMDIChildFrame::HandleGetMinMaxInfo(void *mmInfo)
     // not on the values specified in wxWindow m_max variables
     bool processed = MSWDefWindowProc(WM_GETMINMAXINFO, 0, (LPARAM)mmInfo) != 0;
 
     // not on the values specified in wxWindow m_max variables
     bool processed = MSWDefWindowProc(WM_GETMINMAXINFO, 0, (LPARAM)mmInfo) != 0;
 

+    int minWidth = GetMinWidth(),
+        minHeight = GetMinHeight();
+

     // but allow GetSizeHints() to set the min size
     // but allow GetSizeHints() to set the min size

-    if ( m_minWidth != -1 )
+    if ( minWidth != wxDefaultCoord )

     {
     {

-        info->ptMinTrackSize.x = m_minWidth;
+        info->ptMinTrackSize.x = minWidth;

 
 

-        processed = TRUE;
+        processed = true;

     }
 
     }
 

-    if ( m_minHeight != -1 )
+    if ( minHeight != wxDefaultCoord )

     {
     {

-        info->ptMinTrackSize.y = m_minHeight;
+        info->ptMinTrackSize.y = minHeight;

 
 

-        processed = TRUE;
+        processed = true;

     }
 
     }
 

-    return TRUE;
+    return processed;

 }
 
 // ---------------------------------------------------------------------------
 // MDI specific message translation/preprocessing
 // ---------------------------------------------------------------------------
 
 }
 
 // ---------------------------------------------------------------------------
 // MDI specific message translation/preprocessing
 // ---------------------------------------------------------------------------
 

-long wxMDIChildFrame::MSWDefWindowProc(WXUINT message, WXUINT wParam, WXLPARAM lParam)
+WXLRESULT wxMDIChildFrame::MSWDefWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)

 {
     return DefMDIChildProc(GetHwnd(),
                            (UINT)message, (WPARAM)wParam, (LPARAM)lParam);
 {
     return DefMDIChildProc(GetHwnd(),
                            (UINT)message, (WPARAM)wParam, (LPARAM)lParam);


@@ -1064,7 +1170,9 @@ long wxMDIChildFrame::MSWDefWindowProc(WXUINT message, WXUINT wParam, WXLPARAM l
 
 bool wxMDIChildFrame::MSWTranslateMessage(WXMSG* msg)
 {
 
 bool wxMDIChildFrame::MSWTranslateMessage(WXMSG* msg)
 {

-    return wxFrame::MSWTranslateMessage(msg);
+    // we must pass the parent frame to ::TranslateAccelerator(), otherwise it
+    // doesn't do its job correctly for MDI child menus
+    return MSWDoTranslateMessage((wxMDIChildFrame *)GetParent(), msg);

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


@@ -1073,8 +1181,6 @@ bool wxMDIChildFrame::MSWTranslateMessage(WXMSG* msg)
 
 void wxMDIChildFrame::MSWDestroyWindow()
 {
 
 void wxMDIChildFrame::MSWDestroyWindow()
 {

-    invalidHandle = GetHwnd();
-

     wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
 
     // Must make sure this handle is invalidated (set to NULL) since all sorts
     wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
 
     // Must make sure this handle is invalidated (set to NULL) since all sorts


@@ -1088,8 +1194,6 @@ void wxMDIChildFrame::MSWDestroyWindow()
     if (parent->GetActiveChild() == (wxMDIChildFrame*) NULL)
         ResetWindowStyle((void*) NULL);
 
     if (parent->GetActiveChild() == (wxMDIChildFrame*) NULL)
         ResetWindowStyle((void*) NULL);
 

-    invalidHandle = 0;
-

     if (m_hMenu)
     {
         ::DestroyMenu((HMENU) m_hMenu);
     if (m_hMenu)
     {
         ::DestroyMenu((HMENU) m_hMenu);


@@ -1103,10 +1207,10 @@ void wxMDIChildFrame::MSWDestroyWindow()
 // style when a child is maximised (a double border looks silly.)
 bool wxMDIChildFrame::ResetWindowStyle(void *vrect)
 {
 // style when a child is maximised (a double border looks silly.)
 bool wxMDIChildFrame::ResetWindowStyle(void *vrect)
 {

-#if defined(__WIN95__)

     RECT *rect = (RECT *)vrect;
     wxMDIParentFrame* pFrameWnd = (wxMDIParentFrame *)GetParent();
     wxMDIChildFrame* pChild = pFrameWnd->GetActiveChild();
     RECT *rect = (RECT *)vrect;
     wxMDIParentFrame* pFrameWnd = (wxMDIParentFrame *)GetParent();
     wxMDIChildFrame* pChild = pFrameWnd->GetActiveChild();

+

     if (!pChild || (pChild == this))
     {
         HWND hwndClient = GetWinHwnd(pFrameWnd->GetClientWindow());
     if (!pChild || (pChild == this))
     {
         HWND hwndClient = GetWinHwnd(pFrameWnd->GetClientWindow());


@@ -1135,12 +1239,11 @@ bool wxMDIChildFrame::ResetWindowStyle(void *vrect)
             if (rect)
                 ::GetClientRect(hwndClient, rect);
 
             if (rect)
                 ::GetClientRect(hwndClient, rect);
 

-            return TRUE;
+            return true;

         }
     }
         }
     }

-#endif // Win95

 
 

-    return FALSE;
+    return false;

 }
 
 // ===========================================================================
 }
 
 // ===========================================================================


@@ -1167,11 +1270,7 @@ bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
     if ( style & wxVSCROLL )
         msStyle |= WS_VSCROLL;
 
     if ( style & wxVSCROLL )
         msStyle |= WS_VSCROLL;
 

-#if defined(__WIN95__)

     DWORD exStyle = WS_EX_CLIENTEDGE;
     DWORD exStyle = WS_EX_CLIENTEDGE;

-#else
-    DWORD exStyle = 0;
-#endif

 
     wxWindowCreationHook hook(this);
     m_hWnd = (WXHWND)::CreateWindowEx
 
     wxWindowCreationHook hook(this);
     m_hWnd = (WXHWND)::CreateWindowEx


@@ -1189,12 +1288,12 @@ bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
     {
         wxLogLastError(wxT("CreateWindowEx(MDI client)"));
 
     {
         wxLogLastError(wxT("CreateWindowEx(MDI client)"));
 

-        return FALSE;
+        return false;

     }
 
     SubclassWin(m_hWnd);
 
     }
 
     SubclassWin(m_hWnd);
 

-    return TRUE;
+    return true;

 }
 
 // Explicitly call default scroll behaviour
 }
 
 // Explicitly call default scroll behaviour


@@ -1221,26 +1320,30 @@ void wxMDIClientWindow::DoSetSize(int x, int y, int width, int height, int sizeF
     // (see OGL studio sample). So check if the position is changed and if so,
     // redraw the MDI child frames.
 
     // (see OGL studio sample). So check if the position is changed and if so,
     // redraw the MDI child frames.
 

-    wxPoint oldPos = GetPosition();
+    const wxPoint oldPos = GetPosition();

 
 

-    wxWindow::DoSetSize(x, y, width, height, sizeFlags);
+    wxWindow::DoSetSize(x, y, width, height, sizeFlags | wxSIZE_FORCE);

 
 

-    wxPoint newPos = GetPosition();
+    const wxPoint newPos = GetPosition();

 
     if ((newPos.x != oldPos.x) || (newPos.y != oldPos.y))
     {
         if (GetParent())
         {
 
     if ((newPos.x != oldPos.x) || (newPos.y != oldPos.y))
     {
         if (GetParent())
         {

-            wxNode* node = GetParent()->GetChildren().First();
+            wxWindowList::compatibility_iterator node = GetParent()->GetChildren().GetFirst();

             while (node)
             {
             while (node)
             {

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

                 if (child->IsKindOf(CLASSINFO(wxMDIChildFrame)))
                 {
                 if (child->IsKindOf(CLASSINFO(wxMDIChildFrame)))
                 {

-                    HWND hWnd = (HWND) child->GetHWND();
-                   ::RedrawWindow(hWnd, NULL, NULL, RDW_FRAME|RDW_ALLCHILDREN|RDW_INVALIDATE );
+                   ::RedrawWindow(GetHwndOf(child),
+                                  NULL,
+                                  NULL,
+                                  RDW_FRAME |
+                                  RDW_ALLCHILDREN |
+                                  RDW_INVALIDATE);

                 }
                 }

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

             }
         }
     }
             }
         }
     }


@@ -1248,13 +1351,23 @@ void wxMDIClientWindow::DoSetSize(int x, int y, int width, int height, int sizeF
 
 void wxMDIChildFrame::OnIdle(wxIdleEvent& event)
 {
 
 void wxMDIChildFrame::OnIdle(wxIdleEvent& event)
 {

+    // wxMSW prior to 2.5.3 created MDI child frames as visible, which resulted
+    // in flicker e.g. when the frame contained controls with non-trivial
+    // layout. Since 2.5.3, the frame is created hidden as all other top level
+    // windows. In order to maintain backward compatibility, the frame is shown
+    // in OnIdle, unless Show(false) was called by the programmer before.
+    if ( m_needsInitialShow )
+    {
+        Show(true);
+    }
+

     // MDI child frames get their WM_SIZE when they're constructed but at this
     // moment they don't have any children yet so all child windows will be
     // positioned incorrectly when they are added later - to fix this, we
     // generate an artificial size event here
     if ( m_needsResize )
     {
     // MDI child frames get their WM_SIZE when they're constructed but at this
     // moment they don't have any children yet so all child windows will be
     // positioned incorrectly when they are added later - to fix this, we
     // generate an artificial size event here
     if ( m_needsResize )
     {

-        m_needsResize = FALSE; // avoid any possibility of recursion
+        m_needsResize = false; // avoid any possibility of recursion

 
         SendSizeEvent();
     }
 
         SendSizeEvent();
     }


@@ -1268,21 +1381,26 @@ void wxMDIChildFrame::OnIdle(wxIdleEvent& event)
 
 static void MDISetMenu(wxWindow *win, HMENU hmenuFrame, HMENU hmenuWindow)
 {
 
 static void MDISetMenu(wxWindow *win, HMENU hmenuFrame, HMENU hmenuWindow)
 {

-    ::SendMessage(GetWinHwnd(win), WM_MDISETMENU,
-#ifdef __WIN32__
-                  (WPARAM)hmenuFrame, (LPARAM)hmenuWindow
-#else
-                  0, MAKELPARAM(hmenuFrame, hmenuWindow)
-#endif
-                 );
+    if ( hmenuFrame || hmenuWindow )
+    {
+        if ( !::SendMessage(GetWinHwnd(win),
+                            WM_MDISETMENU,
+                            (WPARAM)hmenuFrame,
+                            (LPARAM)hmenuWindow) )
+        {
+#ifdef __WXDEBUG__
+            DWORD err = ::GetLastError();
+            if ( err )
+                wxLogApiError(_T("SendMessage(WM_MDISETMENU)"), err);
+#endif // __WXDEBUG__
+        }
+    }

 
     // update menu bar of the parent window
     wxWindow *parent = win->GetParent();
     wxCHECK_RET( parent, wxT("MDI client without parent frame? weird...") );
 
 
     // update menu bar of the parent window
     wxWindow *parent = win->GetParent();
     wxCHECK_RET( parent, wxT("MDI client without parent frame? weird...") );
 

-#ifndef __WIN16__

     ::SendMessage(GetWinHwnd(win), WM_MDIREFRESHMENU, 0, 0L);
     ::SendMessage(GetWinHwnd(win), WM_MDIREFRESHMENU, 0, 0L);

-#endif

 
     ::DrawMenuBar(GetWinHwnd(parent));
 }
 
     ::DrawMenuBar(GetWinHwnd(parent));
 }


@@ -1295,7 +1413,7 @@ static void InsertWindowMenu(wxWindow *win, WXHMENU menu, HMENU subMenu)
     if (subMenu)
     {
         int N = GetMenuItemCount(hmenu);
     if (subMenu)
     {
         int N = GetMenuItemCount(hmenu);

-        bool success = FALSE;
+        bool success = false;

         for ( int i = 0; i < N; i++ )
         {
             wxChar buf[256];
         for ( int i = 0; i < N; i++ )
         {
             wxChar buf[256];


@@ -1307,18 +1425,19 @@ static void InsertWindowMenu(wxWindow *win, WXHMENU menu, HMENU subMenu)
                 continue;
             }
 
                 continue;
             }
 

-            if ( wxStripMenuCodes(wxString(buf)).IsSameAs(_("Help")) )
+            wxString strBuf(buf);
+            if ( wxStripMenuCodes(strBuf) == wxGetStockLabel(wxID_HELP,false) )

             {
             {

-                success = TRUE;
+                success = true;

                 ::InsertMenu(hmenu, i, MF_BYPOSITION | MF_POPUP | MF_STRING,
                 ::InsertMenu(hmenu, i, MF_BYPOSITION | MF_POPUP | MF_STRING,

-                             (UINT)subMenu, _("&Window"));
+                             (UINT)subMenu, _("&Window").wx_str());

                 break;
             }
         }
 
         if ( !success )
         {
                 break;
             }
         }
 
         if ( !success )
         {

-            ::AppendMenu(hmenu, MF_POPUP, (UINT)subMenu, _("&Window"));
+            ::AppendMenu(hmenu, MF_POPUP, (UINT)subMenu, _("&Window").wx_str());

         }
     }
 
         }
     }
 


@@ -1338,7 +1457,12 @@ static void RemoveWindowMenu(wxWindow *win, WXHMENU menu)
         {
             if ( !::GetMenuString(hMenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION) )
             {
         {
             if ( !::GetMenuString(hMenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION) )
             {

-                wxLogLastError(wxT("GetMenuString"));
+                // Ignore successful read of menu string with length 0 which
+                // occurs, for example, for a maximized MDI childs system menu
+                if ( ::GetLastError() != 0 )
+                {
+                    wxLogLastError(wxT("GetMenuString"));
+                }

 
                 continue;
             }
 
                 continue;
             }


@@ -1365,13 +1489,9 @@ static void RemoveWindowMenu(wxWindow *win, WXHMENU menu)
 static void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam,
                               WXWORD *activate, WXHWND *hwndAct, WXHWND *hwndDeact)
 {
 static void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam,
                               WXWORD *activate, WXHWND *hwndAct, WXHWND *hwndDeact)
 {

-#ifdef __WIN32__
-    *activate = TRUE;
+    *activate = true;

     *hwndAct = (WXHWND)lParam;
     *hwndDeact = (WXHWND)wParam;
     *hwndAct = (WXHWND)lParam;
     *hwndDeact = (WXHWND)wParam;

-#else // Win16
-    *activate = (WXWORD)wParam;
-    *hwndAct = (WXHWND)LOWORD(lParam);
-    *hwndDeact = (WXHWND)HIWORD(lParam);
-#endif // Win32/Win16

 }
 }

+
+#endif // wxUSE_MDI && !defined(__WXUNIVERSAL__)