X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/921a43c1f69f8763a4b2516586392d4c03f0feaf..dfa536091649144c61c9a59b8a088295d5d7d11e:/src/msw/mdi.cpp

diff --git a/src/msw/mdi.cpp b/src/msw/mdi.cpp
index e3db308a0f..edb246d750 100644
--- a/src/msw/mdi.cpp
+++ b/src/msw/mdi.cpp
@@ -5,8 +5,8 @@
 // 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
 /////////////////////////////////////////////////////////////////////////////
 
 // ===========================================================================
@@ -17,7 +17,7 @@
 // headers
 // ---------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "mdi.h"
 #endif
 
@@ -28,6 +28,8 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_MDI_ARCHITECTURE && !defined(__WXUNIVERSAL__)
+
 #ifndef WX_PRECOMP
     #include "wx/setup.h"
     #include "wx/frame.h"
@@ -66,9 +68,6 @@ extern wxMenu *wxCurrentPopupMenu;
 extern const wxChar *wxMDIFrameClassName;   // from app.cpp
 extern const wxChar *wxMDIChildFrameClassName;
 extern const wxChar *wxMDIChildFrameClassNameNoRedraw;
-
-extern wxWindow *wxWndHook;                 // from window.cpp
-
 extern void wxAssociateWinWithHandle(HWND hWnd, wxWindow *win);
 extern void wxRemoveHandleAssociation(wxWindow *win);
 
@@ -84,6 +83,7 @@ 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;
@@ -114,9 +114,17 @@ inline bool IsMdiCommandId(int id)
     return (id >= wxFIRST_MDI_CHILD) && (id <= wxLAST_MDI_CHILD);
 }
 
+// unpack the parameters of WM_MDIACTIVATE message
 static void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam,
                               WXWORD *activate, WXHWND *hwndAct, WXHWND *hwndDeact);
 
+// return the HMENU of the MDI menu
+static inline HMENU GetMDIWindowMenu(wxMDIParentFrame *frame)
+{
+    wxMenu *menu = frame->GetWindowMenu();
+    return menu ? GetHmenuOf(menu) : 0;
+}
+
 // ===========================================================================
 // implementation
 // ===========================================================================
@@ -152,7 +160,7 @@ wxMDIParentFrame::wxMDIParentFrame()
     m_clientWindow = NULL;
     m_currentChild = NULL;
     m_windowMenu = (wxMenu*) NULL;
-    m_parentFrameActive = TRUE;
+    m_parentFrameActive = true;
 }
 
 bool wxMDIParentFrame::Create(wxWindow *parent,
@@ -163,10 +171,6 @@ bool wxMDIParentFrame::Create(wxWindow *parent,
                               long style,
                               const wxString& name)
 {
-  m_defaultIcon = (WXHICON) (wxSTD_MDIPARENTFRAME_ICON
-                                ? wxSTD_MDIPARENTFRAME_ICON
-                                : wxDEFAULT_MDIPARENTFRAME_ICON);
-
   m_clientWindow = NULL;
   m_currentChild = NULL;
 
@@ -180,15 +184,16 @@ bool wxMDIParentFrame::Create(wxWindow *parent,
   {
       m_windowMenu = new wxMenu;
 
-      m_windowMenu->Append(IDM_WINDOWCASCADE, wxT("&Cascade"));
-      m_windowMenu->Append(IDM_WINDOWTILEHOR, wxT("Tile &Horizontally"));
-      m_windowMenu->Append(IDM_WINDOWTILEVERT, wxT("Tile &Vertically"));
+      m_windowMenu->Append(IDM_WINDOWCASCADE, _("&Cascade"));
+      m_windowMenu->Append(IDM_WINDOWTILEHOR, _("Tile &Horizontally"));
+      m_windowMenu->Append(IDM_WINDOWTILEVERT, _("Tile &Vertically"));
       m_windowMenu->AppendSeparator();
-      m_windowMenu->Append(IDM_WINDOWICONS, wxT("&Arrange Icons"));
-      m_windowMenu->Append(IDM_WINDOWNEXT, wxT("&Next"));
+      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);
@@ -196,70 +201,58 @@ bool wxMDIParentFrame::Create(wxWindow *parent,
   SetName(name);
   m_windowStyle = style;
 
-  if (parent) parent->AddChild(this);
+  if ( parent )
+      parent->AddChild(this);
 
   if ( id > -1 )
     m_windowId = id;
   else
-    m_windowId = (int)NewControlId();
-
-  int x = pos.x;
-  int y = pos.y;
-  int width = size.x;
-  int height = size.y;
-
-  DWORD msflags = WS_OVERLAPPED;
-  if (style & wxMINIMIZE_BOX)
-    msflags |= WS_MINIMIZEBOX;
-  if (style & wxMAXIMIZE_BOX)
-    msflags |= WS_MAXIMIZEBOX;
-  if (style & wxTHICK_FRAME)
-    msflags |= WS_THICKFRAME;
-  if (style & wxSYSTEM_MENU)
-    msflags |= WS_SYSMENU;
-  if ((style & wxMINIMIZE) || (style & wxICONIZE))
-    msflags |= WS_MINIMIZE;
-  if (style & wxMAXIMIZE)
-    msflags |= WS_MAXIMIZE;
-  if (style & wxCAPTION)
-    msflags |= WS_CAPTION;
+    m_windowId = NewControlId();
 
-  if (style & wxCLIP_CHILDREN)
-    msflags |= WS_CLIPCHILDREN;
+  WXDWORD exflags;
+  WXDWORD msflags = MSWGetCreateWindowFlags(&exflags);
+  msflags &= ~WS_VSCROLL;
+  msflags &= ~WS_HSCROLL;
 
-  if ( !wxWindow::MSWCreate(m_windowId,
-                            parent,
-                            wxMDIFrameClassName,
-                            this,
+  if ( !wxWindow::MSWCreate(wxMDIFrameClassName,
                             title,
-                            x, y, width, height,
-                            msflags) )
+                            pos, size,
+                            msflags,
+                            exflags) )
   {
-      return FALSE;
+      return false;
   }
 
   wxModelessWindows.Append(this);
 
   // unlike (almost?) all other windows, frames are created hidden
-  m_isShown = FALSE;
+  m_isShown = false;
 
-  return TRUE;
+  return true;
 }
 
 wxMDIParentFrame::~wxMDIParentFrame()
 {
-    DestroyChildren();
-    // already delete by DestroyChildren()
+    // see comment in ~wxMDIChildFrame
     m_frameToolBar = NULL;
     m_frameStatusBar = NULL;
 
-    // ::DestroyMenu((HMENU)m_windowMenu);
+    DestroyChildren();
+
     if (m_windowMenu)
     {
         delete m_windowMenu;
         m_windowMenu = (wxMenu*) NULL;
     }
 
+    // the MDI frame menubar is not automatically deleted by Windows unlike for
+    // the normal frames
+    if ( m_hMenu )
+    {
+        ::DestroyMenu((HMENU)m_hMenu);
+        m_hMenu = (WXHMENU)NULL;
+    }
+
     if ( m_clientWindow )
     {
         if ( m_clientWindow->MSWGetOldWndProc() )
@@ -270,19 +263,17 @@ wxMDIParentFrame::~wxMDIParentFrame()
     }
 }
 
+#if wxUSE_MENUS_NATIVE
+
 void wxMDIParentFrame::InternalSetMenuBar()
 {
-//    HMENU subMenu = GetSubMenu((HMENU) m_windowMenu, 0);
-
-    m_parentFrameActive = TRUE;
+    m_parentFrameActive = true;
 
-    HMENU subMenu = (HMENU) 0;
-    if (GetWindowMenu())
-        subMenu = (HMENU) GetWindowMenu()->GetHMenu();
-
-    InsertWindowMenu(GetClientWindow(), m_hMenu, subMenu);
+    InsertWindowMenu(GetClientWindow(), m_hMenu, GetMDIWindowMenu(this));
 }
 
+#endif // wxUSE_MENUS_NATIVE
+
 void wxMDIParentFrame::SetWindowMenu(wxMenu* menu)
 {
     if (m_windowMenu)
@@ -296,11 +287,15 @@ void wxMDIParentFrame::SetWindowMenu(wxMenu* menu)
         delete m_windowMenu;
         m_windowMenu = (wxMenu*) NULL;
     }
+
     if (menu)
     {
         m_windowMenu = menu;
         if (GetMenuBar())
-            InsertWindowMenu(GetClientWindow(), m_hMenu, (HMENU) m_windowMenu->GetHMenu());
+        {
+            InsertWindowMenu(GetClientWindow(), m_hMenu,
+                             GetHmenuOf(m_windowMenu));
+        }
     }
 }
 
@@ -338,13 +333,19 @@ void wxMDIParentFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 {
     if ( m_clientWindow )
     {
-        m_clientWindow->SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
+        m_clientWindow->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
         m_clientWindow->Refresh();
     }
 
     event.Skip();
 }
 
+WXHICON wxMDIParentFrame::GetDefaultIcon() const
+{
+    // we don't have any standard icons (any more)
+    return (WXHICON)0;
+}
+
 // ---------------------------------------------------------------------------
 // MDI operations
 // ---------------------------------------------------------------------------
@@ -384,7 +385,7 @@ long wxMDIParentFrame::MSWWindowProc(WXUINT message,
                                      WXLPARAM lParam)
 {
     long rc = 0;
-    bool processed = FALSE;
+    bool processed = false;
 
     switch ( message )
     {
@@ -407,13 +408,13 @@ 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
-                // 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
-                processed = TRUE;
+                processed = true;
             }
 
             // 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;
 
@@ -427,14 +428,14 @@ long wxMDIParentFrame::MSWWindowProc(WXUINT message,
                 rc = -1;
             }
 
-            processed = TRUE;
+            processed = true;
             break;
 
         case WM_ERASEBKGND:
-            processed = TRUE;
+            processed = true;
 
             // we erase background ourselves
-            rc = TRUE;
+            rc = true;
             break;
 
         case WM_MENUSELECT:
@@ -470,12 +471,12 @@ long wxMDIParentFrame::MSWWindowProc(WXUINT message,
 
 bool wxMDIParentFrame::HandleActivate(int state, bool minimized, WXHWND activate)
 {
-    bool processed = FALSE;
+    bool processed = false;
 
     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
@@ -483,10 +484,10 @@ bool wxMDIParentFrame::HandleActivate(int state, bool minimized, WXHWND activate
     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) )
-            processed = TRUE;
+            processed = true;
     }
 
     return processed;
@@ -504,6 +505,7 @@ bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
 
     // is it one of standard MDI commands?
     WXWPARAM wParam = 0;
+    WXLPARAM lParam = 0;
     int msg;
     switch ( id )
     {
@@ -529,6 +531,12 @@ bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
 
         case IDM_WINDOWNEXT:
             msg = WM_MDINEXT;
+            lParam = 0;         // next child
+            break;
+
+        case IDM_WINDOWPREV:
+            msg = WM_MDINEXT;
+            lParam = 1;         // previous child
             break;
 
         default:
@@ -537,23 +545,23 @@ bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
 
     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)
     {
-        return FALSE; // Get WndProc to call default proc
+        return false; // Get WndProc to call default proc
     }
 
     if ( IsMdiCommandId(id) )
     {
-        wxWindowList::Node* node = GetChildren().GetFirst();
+        wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
         while ( node )
         {
-            wxWindow* child = node->GetData();
+            wxWindow *child = node->GetData();
             if ( child->GetHWND() )
             {
                 long childId = wxGetWindowId(child->GetHWND());
@@ -562,7 +570,7 @@ bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
                     ::SendMessage( GetWinHwnd(GetClientWindow()),
                                    WM_MDIACTIVATE,
                                    (WPARAM)child->GetHWND(), 0);
-                    return TRUE;
+                    return true;
                 }
             }
             node = node->GetNext();
@@ -583,7 +591,7 @@ 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?"));
     }
 
-    return FALSE;
+    return false;
 }
 
 long wxMDIParentFrame::MSWDefWindowProc(WXUINT message,
@@ -607,23 +615,23 @@ bool wxMDIParentFrame::MSWTranslateMessage(WXMSG* 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) )
     {
-        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))
-            return TRUE;
+            return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 // ===========================================================================
@@ -632,7 +640,7 @@ bool wxMDIParentFrame::MSWTranslateMessage(WXMSG* msg)
 
 void wxMDIChildFrame::Init()
 {
-    m_needsResize = TRUE;
+    m_needsResize = true;
 }
 
 bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
@@ -643,10 +651,8 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
                              long style,
                              const wxString& name)
 {
-  m_defaultIcon = (WXHICON)(wxSTD_MDICHILDFRAME_ICON ? wxSTD_MDICHILDFRAME_ICON
-                                                     : wxDEFAULT_MDICHILDFRAME_ICON);
-
   SetName(name);
+  wxWindowBase::Show(true); // MDI child frame starts off shown
 
   if ( id > -1 )
     m_windowId = id;
@@ -658,8 +664,6 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
       parent->AddChild(this);
   }
 
-  wxWndHook = this;
-
   int x = pos.x;
   int y = pos.y;
   int width = size.x;
@@ -667,9 +671,9 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
 
   MDICREATESTRUCT mcs;
 
-  mcs.szClass = style & wxNO_FULL_REPAINT_ON_RESIZE
-                    ? wxMDIChildFrameClassNameNoRedraw
-                    : wxMDIChildFrameClassName;
+  mcs.szClass = style & wxFULL_REPAINT_ON_RESIZE
+                    ? wxMDIChildFrameClassName
+                    : wxMDIChildFrameClassNameNoRedraw;
   mcs.szTitle = title;
   mcs.hOwner = wxGetInstance();
   if (x > -1)
@@ -692,7 +696,7 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
   else
       mcs.cy = CW_USEDEFAULT;
 
-  DWORD msflags = WS_OVERLAPPED | WS_CLIPCHILDREN;
+  DWORD msflags = WS_OVERLAPPED | WS_CLIPCHILDREN | WS_VISIBLE ;
   if (style & wxMINIMIZE_BOX)
     msflags |= WS_MINIMIZEBOX;
   if (style & wxMAXIMIZE_BOX)
@@ -712,36 +716,29 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
 
   mcs.lParam = 0;
 
+  wxWindowCreationHook hook(this);
+
   m_hWnd = (WXHWND)::SendMessage(GetWinHwnd(parent->GetClientWindow()),
                                  WM_MDICREATE, 0, (LONG)(LPSTR)&mcs);
 
-  wxWndHook = NULL;
   wxAssociateWinWithHandle((HWND) GetHWND(), this);
 
-  // VZ: what's this? an act of piracy?
-  //SetWindowLong(GetHwnd(), 0, (long)this);
-
   wxModelessWindows.Append(this);
 
-  // Necessary to make ResetWindowStyle() work
-  // and will be called eventually anyway 
-  Activate();
-
-  // Without this, a maximized child will still
-  // a double border around the child
-  ResetWindowStyle((void *)NULL); // Set the Client ExStyle right
-
-  return TRUE;
+  return true;
 }
 
 wxMDIChildFrame::~wxMDIChildFrame()
 {
-    DestroyChildren();
-
-    // already delete 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
     m_frameToolBar = NULL;
     m_frameStatusBar = NULL;
 
+    DestroyChildren();
+
+    RemoveWindowMenu(NULL, m_hMenu);
+
     MSWDestroyWindow();
 }
 
@@ -779,7 +776,7 @@ void wxMDIChildFrame::DoSetClientSize(int width, int height)
   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);
   event.SetEventObject( this );
@@ -807,14 +804,16 @@ void wxMDIChildFrame::InternalSetMenuBar()
 {
     wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
 
-    // HMENU subMenu = GetSubMenu((HMENU)parent->GetWindowMenu(), 0);
-    HMENU subMenu = (HMENU) 0;
-    if (parent->GetWindowMenu())
-        subMenu = (HMENU) parent->GetWindowMenu()->GetHMenu();
+    InsertWindowMenu(parent->GetClientWindow(),
+                     m_hMenu, GetMDIWindowMenu(parent));
 
-    InsertWindowMenu(parent->GetClientWindow(), m_hMenu, subMenu);
+    parent->m_parentFrameActive = false;
+}
 
-    parent->m_parentFrameActive = FALSE;
+WXHICON wxMDIChildFrame::GetDefaultIcon() const
+{
+    // we don't have any standard icons (any more)
+    return (WXHICON)0;
 }
 
 // ---------------------------------------------------------------------------
@@ -861,7 +860,7 @@ long wxMDIChildFrame::MSWWindowProc(WXUINT message,
                                     WXLPARAM lParam)
 {
     long rc = 0;
-    bool processed = FALSE;
+    bool processed = false;
 
     switch ( message )
     {
@@ -877,10 +876,8 @@ long wxMDIChildFrame::MSWWindowProc(WXUINT message,
             break;
 
         case WM_GETMINMAXINFO:
-            // let the default window proc calculate the size of MDI children
-            // frames because it is based on the size of the MDI client window,
-            // not on the values specified in wxWindow m_min/max variables
-            return MSWDefWindowProc(message, wParam, lParam);
+            processed = HandleGetMinMaxInfo((MINMAXINFO *)lParam);
+            break;
 
         case WM_MDIACTIVATE:
             {
@@ -935,7 +932,7 @@ bool wxMDIChildFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
         wxMenu *popupMenu = wxCurrentPopupMenu;
         wxCurrentPopupMenu = NULL;
         if (popupMenu->MSWCommand(cmd, id))
-            return TRUE;
+            return true;
     }
 
     bool processed;
@@ -945,7 +942,7 @@ bool wxMDIChildFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
     }
     else
     {
-        processed = FALSE;
+        processed = false;
     }
 
     return processed;
@@ -963,13 +960,13 @@ bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate),
 
     if ( m_hWnd == hwndAct )
     {
-        activated = TRUE;
+        activated = true;
         parent->m_currentChild = this;
 
         HMENU child_menu = (HMENU)GetWinMenu();
         if ( child_menu )
         {
-            parent->m_parentFrameActive = FALSE;
+            parent->m_parentFrameActive = false;
 
             menuToSet = child_menu;
         }
@@ -979,13 +976,16 @@ bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate),
         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();
-        if ( parent_menu )
+
+        // activate the the parent menu only when there is no other child
+        // that has been activated
+        if ( parent_menu && !hwndAct )
         {
-            parent->m_parentFrameActive = TRUE;
+            parent->m_parentFrameActive = true;
 
             menuToSet = parent_menu;
         }
@@ -993,21 +993,20 @@ bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate),
     else
     {
         // we have nothing to do with it
-        return FALSE;
+        return false;
     }
 
     if ( menuToSet )
     {
-        HMENU subMenu = (HMENU) 0;
-        if (parent->GetWindowMenu())
-            subMenu = (HMENU) parent->GetWindowMenu()->GetHMenu();
-
-        MDISetMenu(parent->GetClientWindow(), menuToSet, subMenu);
+        MDISetMenu(parent->GetClientWindow(),
+                   menuToSet, GetMDIWindowMenu(parent));
     }
 
     wxActivateEvent event(wxEVT_ACTIVATE, activated, m_windowId);
     event.SetEventObject( this );
 
+    ResetWindowStyle((void *)NULL);
+
     return GetEventHandler()->ProcessEvent(event);
 }
 
@@ -1022,7 +1021,7 @@ bool wxMDIChildFrame::HandleWindowPosChanging(void *pos)
         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;
@@ -1036,7 +1035,37 @@ bool wxMDIChildFrame::HandleWindowPosChanging(void *pos)
     }
 #endif // Win95
 
-    return FALSE;
+    return false;
+}
+
+bool wxMDIChildFrame::HandleGetMinMaxInfo(void *mmInfo)
+{
+    MINMAXINFO *info = (MINMAXINFO *)mmInfo;
+
+    // let the default window proc calculate the size of MDI children
+    // frames because it is based on the size of the MDI client window,
+    // 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
+    if ( minWidth != -1 )
+    {
+        info->ptMinTrackSize.x = minWidth;
+
+        processed = true;
+    }
+
+    if ( minHeight != -1 )
+    {
+        info->ptMinTrackSize.y = minHeight;
+
+        processed = true;
+    }
+
+    return processed;
 }
 
 // ---------------------------------------------------------------------------
@@ -1060,7 +1089,6 @@ bool wxMDIChildFrame::MSWTranslateMessage(WXMSG* msg)
 
 void wxMDIChildFrame::MSWDestroyWindow()
 {
-    MSWDetachWindowMenu();
     invalidHandle = GetHwnd();
 
     wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
@@ -1103,7 +1131,7 @@ bool wxMDIChildFrame::ResetWindowStyle(void *vrect)
         // we want to test whether there is a maximized child, so just set
         // dwThisStyle to 0 if there is no child at all
         DWORD dwThisStyle = pChild
-            ? ::GetWindowLong(GetWinHwnd(pChild), GWL_STYLE) : NULL;
+            ? ::GetWindowLong(GetWinHwnd(pChild), GWL_STYLE) : 0;
         DWORD dwNewStyle = dwStyle;
         if ( dwThisStyle & WS_MAXIMIZE )
             dwNewStyle &= ~(WS_EX_CLIENTEDGE);
@@ -1123,12 +1151,12 @@ bool wxMDIChildFrame::ResetWindowStyle(void *vrect)
             if (rect)
                 ::GetClientRect(hwndClient, rect);
 
-            return TRUE;
+            return true;
         }
     }
 #endif // Win95
 
-    return FALSE;
+    return false;
 }
 
 // ===========================================================================
@@ -1138,18 +1166,18 @@ bool wxMDIChildFrame::ResetWindowStyle(void *vrect)
 
 bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
 {
-    m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE);
+    m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
 
     CLIENTCREATESTRUCT ccs;
     m_windowStyle = style;
     m_parent = parent;
 
-    ccs.hWindowMenu = (HMENU) 0;
-    if (parent->GetWindowMenu())
-        ccs.hWindowMenu = (HMENU) parent->GetWindowMenu()->GetHMenu();
+    ccs.hWindowMenu = GetMDIWindowMenu(parent);
     ccs.idFirstChild = wxFIRST_MDI_CHILD;
 
-    DWORD msStyle = MDIS_ALLCHILDSTYLES | WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN;
+    DWORD msStyle = MDIS_ALLCHILDSTYLES | WS_VISIBLE | WS_CHILD |
+                    WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
+
     if ( style & wxHSCROLL )
         msStyle |= WS_HSCROLL;
     if ( style & wxVSCROLL )
@@ -1161,7 +1189,7 @@ bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
     DWORD exStyle = 0;
 #endif
 
-    wxWndHook = this;
+    wxWindowCreationHook hook(this);
     m_hWnd = (WXHWND)::CreateWindowEx
                        (
                         exStyle,
@@ -1177,13 +1205,12 @@ bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
     {
         wxLogLastError(wxT("CreateWindowEx(MDI client)"));
 
-        return FALSE;
+        return false;
     }
 
     SubclassWin(m_hWnd);
-    wxWndHook = NULL;
 
-    return TRUE;
+    return true;
 }
 
 // Explicitly call default scroll behaviour
@@ -1220,16 +1247,20 @@ void wxMDIClientWindow::DoSetSize(int x, int y, int width, int height, int sizeF
     {
         if (GetParent())
         {
-            wxNode* node = GetParent()->GetChildren().First();
+            wxWindowList::compatibility_iterator node = GetParent()->GetChildren().GetFirst();
             while (node)
             {
-                wxWindow* child = (wxWindow*) node->Data();
+                wxWindow *child = node->GetData();
                 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();
             }
         }
     }
@@ -1243,7 +1274,7 @@ void wxMDIChildFrame::OnIdle(wxIdleEvent& event)
     // 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();
     }
@@ -1269,7 +1300,10 @@ static void MDISetMenu(wxWindow *win, HMENU hmenuFrame, HMENU hmenuWindow)
     wxWindow *parent = win->GetParent();
     wxCHECK_RET( parent, wxT("MDI client without parent frame? weird...") );
 
+#ifndef __WIN16__
     ::SendMessage(GetWinHwnd(win), WM_MDIREFRESHMENU, 0, 0L);
+#endif
+
     ::DrawMenuBar(GetWinHwnd(parent));
 }
 
@@ -1280,69 +1314,84 @@ static void InsertWindowMenu(wxWindow *win, WXHMENU menu, HMENU subMenu)
 
     if (subMenu)
     {
-    int N = GetMenuItemCount(hmenu);
-    bool success = FALSE;
-    for ( int i = 0; i < N; i++ )
-    {
-        wxChar buf[256];
-        int chars = GetMenuString(hmenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION);
-        if ( chars == 0 )
+        int N = GetMenuItemCount(hmenu);
+        bool success = false;
+        for ( int i = 0; i < N; i++ )
         {
-            wxLogLastError(wxT("GetMenuString"));
+            wxChar buf[256];
+            int chars = GetMenuString(hmenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION);
+            if ( chars == 0 )
+            {
+                wxLogLastError(wxT("GetMenuString"));
+
+                continue;
+            }
 
-            continue;
+            if ( wxStripMenuCodes(wxString(buf)).IsSameAs(_("Help")) )
+            {
+                success = true;
+                ::InsertMenu(hmenu, i, MF_BYPOSITION | MF_POPUP | MF_STRING,
+                             (UINT)subMenu, _("&Window"));
+                break;
+            }
         }
 
-        if ( wxStripMenuCodes(wxString(buf)).IsSameAs(_("Help")) )
+        if ( !success )
         {
-            success = TRUE;
-            ::InsertMenu(hmenu, i, MF_BYPOSITION | MF_POPUP | MF_STRING,
-                         (UINT)subMenu, _("&Window"));
-            break;
+            ::AppendMenu(hmenu, MF_POPUP, (UINT)subMenu, _("&Window"));
         }
     }
 
-    if ( !success )
-    {
-        ::AppendMenu(hmenu, MF_POPUP, (UINT)subMenu, _("&Window"));
-    }
-    }
-
     MDISetMenu(win, hmenu, subMenu);
 }
 
 static void RemoveWindowMenu(wxWindow *win, WXHMENU menu)
 {
-    // Try to insert Window menu in front of Help, otherwise append it.
-    HMENU hmenu = (HMENU)menu;
-    int N = GetMenuItemCount(hmenu);
-    for ( int i = 0; i < N; i++ )
+    HMENU hMenu = (HMENU)menu;
+
+    if ( hMenu )
     {
-        wxChar buf[256];
-        int chars = GetMenuString(hmenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION);
-        if ( chars == 0 )
+        wxChar buf[1024];
+
+        int N = ::GetMenuItemCount(hMenu);
+        for ( int i = 0; i < N; i++ )
         {
-            wxLogLastError(wxT("GetMenuString"));
+            if ( !::GetMenuString(hMenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION) )
+            {
+                // 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;
+            }
 
-        if ( wxStripMenuCodes(wxString(buf)).IsSameAs(_("Window")) )
-        {
-            ::RemoveMenu(hmenu, i, MF_BYPOSITION);
-            break;
+            if ( wxStrcmp(buf, _("&Window")) == 0 )
+            {
+                if ( !::RemoveMenu(hMenu, i, MF_BYPOSITION) )
+                {
+                    wxLogLastError(wxT("RemoveMenu"));
+                }
+
+                break;
+            }
         }
     }
 
-    // Does passing 0 for the window menu really work with WM_MDISETMENU?
-    MDISetMenu(win, hmenu, 0);
+    if ( win )
+    {
+        // we don't change the windows menu, but we update the main one
+        MDISetMenu(win, hMenu, NULL);
+    }
 }
 
 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;
 #else // Win16
@@ -1351,3 +1400,7 @@ static void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam,
     *hwndDeact = (WXHWND)HIWORD(lParam);
 #endif // Win32/Win16
 }
+
+#endif
+// wxUSE_MDI_ARCHITECTURE && !defined(__WXUNIVERSAL__)
+