X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cba2db0c2969f9b83e8a1736e260d22200e99a99..103aec296a2c017f915b4b2b2584191fdb716a75:/src/msw/menu.cpp

diff --git a/src/msw/menu.cpp b/src/msw/menu.cpp
index 77923bb06a..2b0223238f 100644
--- a/src/msw/menu.cpp
+++ b/src/msw/menu.cpp
@@ -6,28 +6,28 @@
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:   	wxWindows license
+// Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
-#pragma implementation "menu.h"
+    #pragma implementation "menu.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
 #ifndef WX_PRECOMP
-#include "wx/frame.h"
-#include "wx/menu.h"
-#include "wx/utils.h"
+    #include "wx/frame.h"
+    #include "wx/menu.h"
+    #include "wx/utils.h"
 #endif
 
 #if wxUSE_OWNER_DRAWN
-  #include "wx/ownerdrw.h"
+    #include "wx/ownerdrw.h"
 #endif
 
 #include "wx/msw/private.h"
@@ -36,9 +36,14 @@
 #include "wx/log.h"
 
 // other standard headers
-// ----------------------
 #include <string.h>
 
+// ----------------------------------------------------------------------------
+// global variables
+// ----------------------------------------------------------------------------
+
+extern wxMenu *wxCurrentPopupMenu;
+
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
@@ -47,13 +52,18 @@
 static const int idMenuTitle = -2;
 
 // ----------------------------------------------------------------------------
-// wxWindows macros
+// macros
 // ----------------------------------------------------------------------------
+
 #if !USE_SHARED_LIBRARY
-  IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler)
-  IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxEvtHandler)
+    IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler)
+    IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxEvtHandler)
 #endif
 
+// convenience macro
+#define GetHMENU()          ((HMENU)GetHMenu())
+#define GetHMenuOf(menu)    ((HMENU)menu->GetHMenu())
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -61,368 +71,349 @@ static const int idMenuTitle = -2;
 // Menus
 
 // Construct a menu with optional title (then use append)
-wxMenu::wxMenu(const wxString& Title, const wxFunction func)
-{
-  m_title = Title;
-  m_parent = NULL;
-  m_eventHandler = this;
-  m_pInvokingWindow = NULL;
-  m_doBreak = FALSE ;
-  m_noItems = 0;
-  m_menuBar = NULL;
-  m_hMenu = (WXHMENU) CreatePopupMenu();
-  m_savehMenu = 0 ;
-  m_topLevelMenu = this;
-  m_clientData = (void*) NULL;
-
-  if (m_title != "")
-  {
-    Append(idMenuTitle, m_title) ;
-    AppendSeparator() ;
-  }
+wxMenu::wxMenu(const wxString& title, const wxFunction func)
+      : m_title(title)
+{
+    m_parent = NULL;
+    m_eventHandler = this;
+    m_pInvokingWindow = NULL;
+    m_doBreak = FALSE ;
+    m_noItems = 0;
+    m_menuBar = NULL;
+    m_hMenu = (WXHMENU) CreatePopupMenu();
+    m_savehMenu = 0 ;
+    m_topLevelMenu = this;
+    m_clientData = (void*) NULL;
+
+    if ( !!m_title )
+    {
+        Append(idMenuTitle, m_title) ;
+        AppendSeparator() ;
+    }
 
-  Callback(func);
+    Callback(func);
 }
 
 // The wxWindow destructor will take care of deleting the submenus.
 wxMenu::~wxMenu()
 {
-  if (m_hMenu)
-    DestroyMenu((HMENU) m_hMenu);
-  m_hMenu = 0;
-
-  // Windows seems really bad on Menu de-allocation...
-  // After many try, here is what I do: RemoveMenu() will ensure
-  // that popup are "disconnected" from their parent; then call
-  // delete method on each child (which in turn do a recursive job),
-  // and finally, DestroyMenu()
-  //
-  // With that, BoundCheckers is happy, and no complaints...
-/*
-  int N = 0 ;
-  if (m_hMenu)
-    N = GetMenuItemCount(m_hMenu);
-  int i;
-  for (i = N-1; i >= 0; i--)
-    RemoveMenu(m_hMenu, i, MF_BYPOSITION);
-*/
-
-  // How is deleting submenus in this loop any different from deleting
-  // the submenus in the children list, via ~wxWindow ?
-  // I'll reinstate this deletion for now and remove addition
-  // from children list (which doesn't exist now)
-  // Julian 1/3/97
-  wxNode *node = m_menuItems.First();
-  while (node)
-  {
-    wxMenuItem *item = (wxMenuItem *)node->Data();
-
-    // Delete child menus.
-    // Beware: they must not be appended to children list!!!
-    // (because order of delete is significant)
-    if (item->GetSubMenu())
-      item->DeleteSubMenu();
-
-    wxNode *next = node->Next();
-    delete item;
-    delete node;
-    node = next;
-  }
-/*
-  if (m_hMenu)
-    DestroyMenu(m_hMenu);
-  m_hMenu = 0;
-*/
+    if (m_hMenu)
+        DestroyMenu((HMENU) m_hMenu);
+    m_hMenu = 0;
+
+    // Windows seems really bad on Menu de-allocation...
+    // After many try, here is what I do: RemoveMenu() will ensure
+    // that popup are "disconnected" from their parent; then call
+    // delete method on each child (which in turn do a recursive job),
+    // and finally, DestroyMenu()
+    //
+    // With that, BoundCheckers is happy, and no complaints...
+    /*
+       int N = 0 ;
+       if (m_hMenu)
+       N = GetMenuItemCount(m_hMenu);
+       int i;
+       for (i = N-1; i >= 0; i--)
+       RemoveMenu(m_hMenu, i, MF_BYPOSITION);
+     */
+
+    // How is deleting submenus in this loop any different from deleting
+    // the submenus in the children list, via ~wxWindow ?
+    // I'll reinstate this deletion for now and remove addition
+    // from children list (which doesn't exist now)
+    // Julian 1/3/97
+    wxNode *node = m_menuItems.First();
+    while (node)
+    {
+        wxMenuItem *item = (wxMenuItem *)node->Data();
+
+        // Delete child menus.
+        // Beware: they must not be appended to children list!!!
+        // (because order of delete is significant)
+        if (item->GetSubMenu())
+            item->DeleteSubMenu();
+
+        wxNode *next = node->Next();
+        delete item;
+        delete node;
+        node = next;
+    }
+    /*
+       if (m_hMenu)
+       DestroyMenu(m_hMenu);
+       m_hMenu = 0;
+     */
 }
 
 void wxMenu::Break()
 {
-  m_doBreak = TRUE ;
+    m_doBreak = TRUE ;
 }
 
 // function appends a new item or submenu to the menu
 void wxMenu::Append(wxMenuItem *pItem)
 {
-  wxCHECK_RET( pItem != NULL, "can't append NULL item to the menu" );
+    wxCHECK_RET( pItem != NULL, "can't append NULL item to the menu" );
 
-  m_menuItems.Append(pItem);
+    m_menuItems.Append(pItem);
 
-  UINT  flags = 0;
-  
-  if ( m_doBreak ) {
-    flags |= MF_MENUBREAK;
-    m_doBreak = FALSE;
-  }
+    UINT flags = 0;
 
-  if ( pItem->IsSeparator() ) {
-    flags |= MF_SEPARATOR;
-  }
+    if ( m_doBreak ) {
+        flags |= MF_MENUBREAK;
+        m_doBreak = FALSE;
+    }
 
-  // id is the numeric id for normal menu items and HMENU for submenus
-  UINT id;
-  wxMenu *SubMenu = pItem->GetSubMenu();
-  if ( SubMenu != NULL ) {
-    wxASSERT( SubMenu->m_hMenu != (WXHMENU) NULL );
+    if ( pItem->IsSeparator() ) {
+        flags |= MF_SEPARATOR;
+    }
 
-    id = (UINT)SubMenu->m_hMenu;
+    // id is the numeric id for normal menu items and HMENU for submenus
+    UINT id;
+    wxMenu *SubMenu = pItem->GetSubMenu();
+    if ( SubMenu != NULL ) {
+        wxASSERT( SubMenu->m_hMenu != (WXHMENU) NULL );
 
-    SubMenu->m_topLevelMenu = m_topLevelMenu;
-    SubMenu->m_parent       = this;
-    SubMenu->m_savehMenu    = (WXHMENU)id;
-    SubMenu->m_hMenu        = 0;
+        id = (UINT)SubMenu->m_hMenu;
 
-    flags |= MF_POPUP;
-  }
-  else {
-    id = pItem->GetId();
-  }
+        SubMenu->m_topLevelMenu = m_topLevelMenu;
+        SubMenu->m_parent       = this;
+        SubMenu->m_savehMenu    = (WXHMENU)id;
+        SubMenu->m_hMenu        = 0;
+
+        flags |= MF_POPUP;
+    }
+    else {
+        id = pItem->GetId();
+    }
 
-  LPCSTR pData;
+    LPCSTR pData;
 
 #if wxUSE_OWNER_DRAWN
-  if ( pItem->IsOwnerDrawn() ) {  // want to get {Measure|Draw}Item messages?
-    // item draws itself, pass pointer to it in data parameter
-    flags |= MF_OWNERDRAW;
-    pData = (LPCSTR)pItem;
-  }
-  else
+    if ( pItem->IsOwnerDrawn() ) {  // want to get {Measure|Draw}Item messages?
+        // item draws itself, pass pointer to it in data parameter
+        flags |= MF_OWNERDRAW;
+        pData = (LPCSTR)pItem;
+    }
+    else
 #endif
-  {
-    // menu is just a normal string (passed in data parameter)
-    flags |= MF_STRING;
-    pData = pItem->GetName();
-  }
+    {
+        // menu is just a normal string (passed in data parameter)
+        flags |= MF_STRING;
+        pData = pItem->GetName();
+    }
 
-  // visually select the menu title
-  if ( id == idMenuTitle )
-  {
-    // TODO use SetMenuItemInfo(MFS_DEFAULT) to put it in bold face
-  }
+    // visually select the menu title
+    if ( id == idMenuTitle )
+    {
+        // TODO use SetMenuItemInfo(MFS_DEFAULT) to put it in bold face
+    }
 
-  HMENU hMenu = (HMENU)((m_hMenu == 0) ? m_savehMenu : m_hMenu);
-  if ( !AppendMenu(hMenu, flags, id, pData) )
-  {
-    wxLogLastError("AppendMenu");
-  }
+    if ( !AppendMenu(GetHMENU(), flags, id, pData) )
+    {
+        wxLogLastError("AppendMenu");
+    }
 
-  m_noItems++;
+    m_noItems++;
 }
 
 void wxMenu::AppendSeparator()
 {
-  Append(new wxMenuItem(this, ID_SEPARATOR));
+    Append(new wxMenuItem(this, ID_SEPARATOR));
 }
 
 // Pullright item
-void wxMenu::Append(int Id, const wxString& label, wxMenu *SubMenu, 
-                    const wxString& helpString)
+void wxMenu::Append(int id, const wxString& label,
+                    wxMenu *SubMenu, const wxString& helpString)
 {
-  Append(new wxMenuItem(this, Id, label, helpString, FALSE, SubMenu));
+    Append(new wxMenuItem(this, id, label, helpString, FALSE, SubMenu));
 }
 
 // Ordinary menu item
-void wxMenu::Append(int Id, const wxString& label, 
-                    const wxString& helpString, bool checkable)
+void wxMenu::Append(int id, const wxString& label,
+        const wxString& helpString, bool checkable)
 {
-  // 'checkable' parameter is useless for Windows.
-  Append(new wxMenuItem(this, Id, label, helpString, checkable));
+    // 'checkable' parameter is useless for Windows.
+    Append(new wxMenuItem(this, id, label, helpString, checkable));
 }
 
 void wxMenu::Delete(int id)
 {
-  wxNode *node;
-  int pos;
-  HMENU menu;
-
-  wxMenuItem *item = NULL;
-  for (pos = 0, node = m_menuItems.First(); node; node = node->Next(), pos++) {
-	 item = (wxMenuItem *)node->Data();
-	 if (item->GetId() == id)
-		break;
-  }
-
-  if (!node)
-	return;
-
-  menu = (HMENU)(m_hMenu ? m_hMenu : m_savehMenu);
+    wxMenuItem *item = NULL;
+    int pos;
+    wxNode *node;
+    for (pos = 0, node = m_menuItems.First(); node; node = node->Next(), pos++)
+    {
+        item = (wxMenuItem *)node->Data();
+        if ( item->GetId() == id )
+            break;
+    }
 
-  wxMenu *pSubMenu = item->GetSubMenu();
-  if ( pSubMenu != NULL ) {
-    RemoveMenu(menu, (UINT)pos, MF_BYPOSITION);
-    pSubMenu->m_hMenu = pSubMenu->m_savehMenu;
-    pSubMenu->m_savehMenu = 0;
-    pSubMenu->m_parent = NULL;
-    //     RemoveChild(item->subMenu);
-    pSubMenu->m_topLevelMenu = NULL;
-    // TODO: Why isn't subMenu deleted here???
-    // Will put this in for now. Assuming this is supposed
-    // to delete the menu, not just remove it.
-    item->DeleteSubMenu();
-  }
-  else {
-    DeleteMenu(menu, (UINT)pos, MF_BYPOSITION);
-  }
+    wxCHECK_RET( node, "wxMenu::Delete(): item doesn't exist" );
+
+    HMENU menu = GetHMENU();
+
+    wxMenu *pSubMenu = item->GetSubMenu();
+    if ( pSubMenu != NULL ) {
+        RemoveMenu(menu, (UINT)pos, MF_BYPOSITION);
+        pSubMenu->m_hMenu = pSubMenu->m_savehMenu;
+        pSubMenu->m_savehMenu = 0;
+        pSubMenu->m_parent = NULL;
+        //     RemoveChild(item->subMenu);
+        pSubMenu->m_topLevelMenu = NULL;
+        // TODO: Why isn't subMenu deleted here???
+        // Will put this in for now. Assuming this is supposed
+        // to delete the menu, not just remove it.
+        item->DeleteSubMenu();
+    }
+    else {
+        DeleteMenu(menu, (UINT)pos, MF_BYPOSITION);
+    }
 
-  m_menuItems.DeleteNode(node);
-  delete item;
+    m_menuItems.DeleteNode(node);
+    delete item;
 }
 
-void wxMenu::Enable(int Id, bool Flag)
+void wxMenu::Enable(int id, bool Flag)
 {
-  wxMenuItem *item = FindItemForId(Id);
-  wxCHECK_RET( item != NULL, "can't enable non-existing menu item" );
+    wxMenuItem *item = FindItemForId(id);
+    wxCHECK_RET( item != NULL, "can't enable non-existing menu item" );
 
-  item->Enable(Flag);
+    item->Enable(Flag);
 }
 
-bool wxMenu::Enabled(int Id) const
+bool wxMenu::IsEnabled(int id) const
 {
-  wxMenuItem *item = FindItemForId(Id);
-  wxCHECK( item != NULL, FALSE );
+    wxMenuItem *item = FindItemForId(id);
+    wxCHECK_MSG( item != NULL, FALSE, "invalid item id" );
 
-  return item->IsEnabled();
+    return item->IsEnabled();
 }
 
-void wxMenu::Check(int Id, bool Flag)
+void wxMenu::Check(int id, bool Flag)
 {
-  wxMenuItem *item = FindItemForId(Id);
-  wxCHECK_RET( item != NULL, "can't get status of non-existing menu item" );
+    wxMenuItem *item = FindItemForId(id);
+    wxCHECK_RET( item != NULL, "can't get status of non-existing menu item" );
 
-  item->Check(Flag);
+    item->Check(Flag);
 }
 
-bool wxMenu::Checked(int Id) const
+bool wxMenu::IsChecked(int id) const
 {
-  wxMenuItem *item = FindItemForId(Id);
-  wxCHECK( item != NULL, FALSE );
+    wxMenuItem *item = FindItemForId(id);
+    wxCHECK_MSG( item != NULL, FALSE, "invalid item id" );
 
-  return item->IsChecked();
+    return item->IsChecked();
 }
 
 void wxMenu::SetTitle(const wxString& label)
 {
-  bool hasNoTitle = m_title.IsEmpty();
-  m_title = label;
+    bool hasNoTitle = m_title.IsEmpty();
+    m_title = label;
 
-  HMENU hMenu = (HMENU)((m_hMenu == 0) ? m_savehMenu : m_hMenu);
+    HMENU hMenu = GetHMENU();
 
-  if ( hasNoTitle )
-  {
-    if ( !label.IsEmpty() )
+    if ( hasNoTitle )
     {
-      if ( !InsertMenu(hMenu, 0u, MF_BYPOSITION | MF_STRING,
-                       (unsigned)idMenuTitle, m_title) ||
-           !InsertMenu(hMenu, 1u, MF_BYPOSITION, (unsigned)-1, NULL) )
-      {
-        wxLogLastError("InsertMenu");
-      }
-    }
-  }
-  else
-  {
-    if ( label.IsEmpty() )
-    {
-      // remove the title and the separator after it
-      if ( !RemoveMenu(hMenu, 0, MF_BYPOSITION) ||
-           !RemoveMenu(hMenu, 0, MF_BYPOSITION) )
-      {
-        wxLogLastError("RemoveMenu");
-      }
+        if ( !label.IsEmpty() )
+        {
+            if ( !InsertMenu(hMenu, 0u, MF_BYPOSITION | MF_STRING,
+                             (unsigned)idMenuTitle, m_title) ||
+                 !InsertMenu(hMenu, 1u, MF_BYPOSITION, (unsigned)-1, NULL) )
+            {
+                wxLogLastError("InsertMenu");
+            }
+        }
     }
     else
     {
-      // modify the title
-      if ( !ModifyMenu(hMenu, 0u,
-                       MF_BYPOSITION | MF_STRING,
-                       (unsigned)idMenuTitle, m_title) )
-      {
-        wxLogLastError("ModifyMenu");
-      }
+        if ( label.IsEmpty() )
+        {
+            // remove the title and the separator after it
+            if ( !RemoveMenu(hMenu, 0, MF_BYPOSITION) ||
+                 !RemoveMenu(hMenu, 0, MF_BYPOSITION) )
+            {
+                wxLogLastError("RemoveMenu");
+            }
+        }
+        else
+        {
+            // modify the title
+            if ( !ModifyMenu(hMenu, 0u,
+                        MF_BYPOSITION | MF_STRING,
+                        (unsigned)idMenuTitle, m_title) )
+            {
+                wxLogLastError("ModifyMenu");
+            }
+        }
     }
-  }
 
 #ifndef __WIN16__
-  // put the title string in bold face
-  if ( !m_title.IsEmpty() )
-  {
-    MENUITEMINFO mii;
-    mii.cbSize = sizeof(mii);
-    mii.fMask = MIIM_STATE;
-    mii.fState = MFS_DEFAULT;
-
-    if ( !SetMenuItemInfo(hMenu, (unsigned)idMenuTitle, FALSE, &mii) )
+    // put the title string in bold face
+    if ( !m_title.IsEmpty() )
     {
-      wxLogLastError("SetMenuItemInfo");
+        MENUITEMINFO mii;
+        mii.cbSize = sizeof(mii);
+        mii.fMask = MIIM_STATE;
+        mii.fState = MFS_DEFAULT;
+
+        if ( !SetMenuItemInfo(hMenu, (unsigned)idMenuTitle, FALSE, &mii) )
+        {
+            wxLogLastError("SetMenuItemInfo");
+        }
     }
-  }
 #endif
 }
 
 const wxString wxMenu::GetTitle() const
 {
-   return m_title;
+    return m_title;
 }
 
-void wxMenu::SetLabel(int Id, const wxString& label)
+void wxMenu::SetLabel(int id, const wxString& label)
 {
-  wxMenuItem *item = FindItemForId(Id) ;
-  if (item==NULL)
-    return;
+    wxMenuItem *item = FindItemForId(id) ;
+    if (item==NULL)
+        return;
 
-  if (item->GetSubMenu()==NULL)
-  {
-    if (m_hMenu)
+    if (item->GetSubMenu()==NULL)
     {
-      UINT was_flag = GetMenuState((HMENU)m_hMenu,Id,MF_BYCOMMAND) ;
-      ModifyMenu((HMENU)m_hMenu,Id,MF_BYCOMMAND|MF_STRING|was_flag,Id,(const char *)label) ;
+        HMENU hMenu = GetHMENU();
+
+        UINT was_flag = GetMenuState(hMenu, id, MF_BYCOMMAND);
+        ModifyMenu(hMenu, id, MF_BYCOMMAND | MF_STRING | was_flag, id, label);
     }
-    else if (m_savehMenu)
-    {
-      UINT was_flag = GetMenuState((HMENU)m_savehMenu,Id,MF_BYCOMMAND) ;
-      ModifyMenu((HMENU)m_savehMenu,Id,MF_BYCOMMAND|MF_STRING|was_flag,Id,(const char *)label) ;
-    }
-  }
-  else
-  {
-    wxMenu *father = item->GetSubMenu()->m_topLevelMenu ;
-    wxNode *node = father->m_menuItems.First() ;
-    int i = 0 ;
-    while (node)
+    else
     {
-      wxMenuItem *matched = (wxMenuItem*)node->Data() ;
-      if (matched==item)
-        break ;
-      i++ ;
-      node = node->Next() ;
+        wxMenu *father = item->GetSubMenu()->m_topLevelMenu ;
+        wxNode *node = father->m_menuItems.First() ;
+        int i = 0 ;
+        while (node)
+        {
+            wxMenuItem *matched = (wxMenuItem*)node->Data() ;
+            if (matched==item)
+                break ;
+            i++ ;
+            node = node->Next() ;
+        }
+        // Here, we have the position.
+        ModifyMenu((HMENU)father->m_savehMenu,i,
+                MF_BYPOSITION|MF_STRING|MF_POPUP,
+                (UINT)item->GetSubMenu()->m_savehMenu,(const char *)label) ;
     }
-    // Here, we have the position.
-    ModifyMenu((HMENU)father->m_savehMenu,i,
-               MF_BYPOSITION|MF_STRING|MF_POPUP,
-               (UINT)item->GetSubMenu()->m_savehMenu,(const char *)label) ;
-  }
-  item->SetName(label);
+    item->SetName(label);
 }
 
 wxString wxMenu::GetLabel(int id) const
 {
-/*
-  static char tmp[128] ;
-  int len;
-  if (m_hMenu)
-    len = GetMenuString((HMENU)m_hMenu,Id,tmp,WXSIZEOF(tmp) - 1,MF_BYCOMMAND);
-  else if (m_savehMenu)
-    len = GetMenuString((HMENU)m_savehMenu,Id,tmp,WXSIZEOF(tmp) - 1,MF_BYCOMMAND);
-  else
-    len = 0 ;
-  tmp[len] = '\0' ;
-  return wxString(tmp) ;
-
-*/
+    wxString label;
     wxMenuItem *pItem = FindItemForId(id) ;
     if (pItem)
-        return pItem->GetName() ;
+        label = pItem->GetName() ;
     else
-        return wxEmptyString;
+        wxFAIL_MSG("wxMenu::GetLabel: item doesn't exist");
+
+    return label;
 }
 
 bool wxMenu::MSWCommand(WXUINT WXUNUSED(param), WXWORD id)
@@ -445,573 +436,546 @@ bool wxMenu::MSWCommand(WXUINT WXUNUSED(param), WXWORD id)
 // Finds the item id matching the given string, -1 if not found.
 int wxMenu::FindItem (const wxString& itemString) const
 {
-  char buf1[200];
-  char buf2[200];
-  wxStripMenuCodes ((char *)(const char *)itemString, buf1);
+    // FIXME fixed size buffer
+    char buf1[200];
+    char buf2[200];
+    wxStripMenuCodes ((char *)(const char *)itemString, buf1);
 
-  for (wxNode * node = m_menuItems.First (); node; node = node->Next ())
+    for (wxNode * node = m_menuItems.First (); node; node = node->Next ())
     {
-      wxMenuItem *item = (wxMenuItem *) node->Data ();
-      if (item->GetSubMenu())
-      {
-        int ans = item->GetSubMenu()->FindItem(itemString);
-        if (ans > -1)
-          return ans;
-      }
-      if ( !item->IsSeparator() )
-      {
-        wxStripMenuCodes((char *)item->GetName().c_str(), buf2);
-        if (strcmp(buf1, buf2) == 0)
-          return item->GetId();
-      }
+        wxMenuItem *item = (wxMenuItem *) node->Data ();
+        if (item->GetSubMenu())
+        {
+            int ans = item->GetSubMenu()->FindItem(itemString);
+            if (ans > -1)
+                return ans;
+        }
+        if ( !item->IsSeparator() )
+        {
+            wxStripMenuCodes((char *)item->GetName().c_str(), buf2);
+            if (strcmp(buf1, buf2) == 0)
+                return item->GetId();
+        }
     }
 
-  return -1;
+    return wxNOT_FOUND;
 }
 
 wxMenuItem *wxMenu::FindItemForId(int itemId, wxMenu ** itemMenu) const
 {
-  if (itemMenu)
-    *itemMenu = NULL;
-  for (wxNode * node = m_menuItems.First (); node; node = node->Next ())
-  {
-    wxMenuItem *item = (wxMenuItem *) node->Data ();
-
-    if (item->GetId() == itemId)
+    if (itemMenu)
+        *itemMenu = NULL;
+    for (wxNode * node = m_menuItems.First (); node; node = node->Next ())
     {
-      if (itemMenu)
-        *itemMenu = (wxMenu *) this;
-      return item;
+        wxMenuItem *item = (wxMenuItem *) node->Data ();
+
+        if (item->GetId() == itemId)
+        {
+            if (itemMenu)
+                *itemMenu = (wxMenu *) this;
+            return item;
+        }
+
+        if (item->GetSubMenu())
+        {
+            wxMenuItem *ans = item->GetSubMenu()->FindItemForId (itemId, itemMenu);
+            if (ans)
+                return ans;
+        }
     }
 
-    if (item->GetSubMenu())
-    {
-      wxMenuItem *ans = item->GetSubMenu()->FindItemForId (itemId, itemMenu);
-      if (ans)
-        return ans;
-    }
-  }
-
-  if (itemMenu)
-    *itemMenu = NULL;
-  return NULL;
+    if (itemMenu)
+        *itemMenu = NULL;
+    return NULL;
 }
 
 void wxMenu::SetHelpString(int itemId, const wxString& helpString)
 {
-  wxMenuItem *item = FindItemForId (itemId);
-  if (item)
-    item->SetHelp(helpString);
+    wxMenuItem *item = FindItemForId (itemId);
+    if (item)
+        item->SetHelp(helpString);
+    else
+        wxFAIL_MSG("wxMenu::SetHelpString: item doesn't exist");
 }
 
 wxString wxMenu::GetHelpString (int itemId) const
 {
-  wxMenuItem *item = FindItemForId (itemId);
-  if (item)
-    return item->GetHelp();
-  else
-    return wxEmptyString;
+    wxString help;
+    wxMenuItem *item = FindItemForId (itemId);
+    if (item)
+        help = item->GetHelp();
+    else
+        wxFAIL_MSG("wxMenu::GetHelpString: item doesn't exist");
+
+    return help;
 }
 
 void wxMenu::ProcessCommand(wxCommandEvent & event)
 {
-  bool processed = FALSE;
+    bool processed = FALSE;
 
-  // Try a callback
-  if (m_callback)
-  {
-      (void)(*(m_callback))(*this, event);
-      processed = TRUE;
-  }
+    // Try a callback
+    if (m_callback)
+    {
+        (void)(*(m_callback))(*this, event);
+        processed = TRUE;
+    }
 
-  // Try the menu's event handler
-  if ( !processed && GetEventHandler())
-  {
-      processed = GetEventHandler()->ProcessEvent(event);
-  }
+    // Try the menu's event handler
+    if ( !processed && GetEventHandler())
+    {
+        processed = GetEventHandler()->ProcessEvent(event);
+    }
 
-  // Try the window the menu was popped up from (and up
-  // through the hierarchy)
-  if ( !processed && GetInvokingWindow())
-    processed = GetInvokingWindow()->GetEventHandler()->ProcessEvent(event);
+    // Try the window the menu was popped up from (and up through the
+    // hierarchy)
+    wxWindow *win = GetInvokingWindow();
+    if ( !processed && win )
+        processed = win->GetEventHandler()->ProcessEvent(event);
 }
 
-extern wxMenu *wxCurrentPopupMenu;
 bool wxWindow::PopupMenu(wxMenu *menu, int x, int y)
 {
-  menu->SetInvokingWindow(this);
-  menu->UpdateUI();
+    menu->SetInvokingWindow(this);
+    menu->UpdateUI();
 
-  HWND hWnd = (HWND) GetHWND();
-  HMENU hMenu = (HMENU)menu->m_hMenu;
-  POINT point;
-  point.x = x;
-  point.y = y;
-  ::ClientToScreen(hWnd, &point);
-  wxCurrentPopupMenu = menu;
-  ::TrackPopupMenu(hMenu, TPM_RIGHTBUTTON, point.x, point.y, 0, hWnd, NULL);
-  wxYield();
-  wxCurrentPopupMenu = NULL;
+    HWND hWnd = (HWND) GetHWND();
+    HMENU hMenu = (HMENU)menu->m_hMenu;
+    POINT point;
+    point.x = x;
+    point.y = y;
+    ::ClientToScreen(hWnd, &point);
+    wxCurrentPopupMenu = menu;
+    ::TrackPopupMenu(hMenu, TPM_RIGHTBUTTON, point.x, point.y, 0, hWnd, NULL);
+    wxYield();
+    wxCurrentPopupMenu = NULL;
 
-  menu->SetInvokingWindow(NULL);
+    menu->SetInvokingWindow(NULL);
 
-  return TRUE;
+    return TRUE;
 }
 
 // Menu Bar
 wxMenuBar::wxMenuBar()
 {
-  m_eventHandler = this;
-  m_menuCount = 0;
-  m_menus = NULL;
-  m_titles = NULL;
-  m_menuBarFrame = NULL;
-  m_hMenu = 0;
+    m_eventHandler = this;
+    m_menuCount = 0;
+    m_menus = NULL;
+    m_titles = NULL;
+    m_menuBarFrame = NULL;
+    m_hMenu = 0;
 }
 
 wxMenuBar::wxMenuBar( long WXUNUSED(style) )
 {
-  m_eventHandler = this;
-  m_menuCount = 0;
-  m_menus = NULL;
-  m_titles = NULL;
-  m_menuBarFrame = NULL;
-  m_hMenu = 0;
+    m_eventHandler = this;
+    m_menuCount = 0;
+    m_menus = NULL;
+    m_titles = NULL;
+    m_menuBarFrame = NULL;
+    m_hMenu = 0;
 }
 
 wxMenuBar::wxMenuBar(int N, wxMenu *Menus[], const wxString Titles[])
 {
-  m_eventHandler = this;
-  m_menuCount = N;
-  m_menus = Menus;
-  m_titles = new wxString[N];
-  int i;
-  for ( i = 0; i < N; i++ )
-	m_titles[i] = Titles[i];
-  m_menuBarFrame = NULL;
-  for (i = 0; i < N; i++)
-    m_menus[i]->m_menuBar = (wxMenuBar *) this;
+    m_eventHandler = this;
+    m_menuCount = N;
+    m_menus = Menus;
+    m_titles = new wxString[N];
+    int i;
+    for ( i = 0; i < N; i++ )
+        m_titles[i] = Titles[i];
+    m_menuBarFrame = NULL;
+    for (i = 0; i < N; i++)
+        m_menus[i]->m_menuBar = (wxMenuBar *) this;
 
-  m_hMenu = 0;
+    m_hMenu = 0;
 }
 
 wxMenuBar::~wxMenuBar()
 {
-  // In fact, don't want menu to be destroyed before MDI
-  // shuffling has taken place. Let it be destroyed
-  // automatically when the window is destroyed.
+    // In fact, don't want menu to be destroyed before MDI
+    // shuffling has taken place. Let it be destroyed
+    // automatically when the window is destroyed.
 
-//  DestroyMenu(menu);
-//  m_hMenu = NULL;
+    //  DestroyMenu(menu);
+    //  m_hMenu = NULL;
 
-  int i;
-/*
-  // See remarks in ::~wxMenu() method
-  // BEWARE - this may interfere with MDI fixes, so
-  // may need to remove
-  int N = 0 ;
+    int i;
+    /*
+    // See remarks in ::~wxMenu() method
+    // BEWARE - this may interfere with MDI fixes, so
+    // may need to remove
+    int N = 0 ;
 
-  if (m_menuBarFrame && ((m_menuBarFrame->GetWindowStyleFlag() & wxSDI) == wxSDI))
-  {
+    if (m_menuBarFrame && ((m_menuBarFrame->GetWindowStyleFlag() & wxSDI) == wxSDI))
+    {
     if (menu)
-      N = GetMenuItemCount(menu) ;
+    N = GetMenuItemCount(menu) ;
     for (i = N-1; i >= 0; i--)
-      RemoveMenu(menu, i, MF_BYPOSITION);
-  }
-*/
-  for (i = 0; i < m_menuCount; i++)
-  {
-    delete m_menus[i];
-  }
-  delete[] m_menus;
-  delete[] m_titles;
-
-/* Don't destroy menu here, in case we're MDI and
-   need to do some shuffling with VALID menu handles.
-  if (menu)
-    DestroyMenu(menu);
-  m_hMenu = 0;
-*/
+    RemoveMenu(menu, i, MF_BYPOSITION);
+    }
+     */
+    for (i = 0; i < m_menuCount; i++)
+    {
+        delete m_menus[i];
+    }
+    delete[] m_menus;
+    delete[] m_titles;
+
+    /* Don't destroy menu here, in case we're MDI and
+       need to do some shuffling with VALID menu handles.
+       if (menu)
+       DestroyMenu(menu);
+       m_hMenu = 0;
+     */
 }
 
 // Must only be used AFTER menu has been attached to frame,
 // otherwise use individual menus to enable/disable items
-void wxMenuBar::Enable(int Id, bool Flag)
+void wxMenuBar::Enable(int id, bool enable)
 {
-  int ms_flag;
-  if (Flag)
-    ms_flag = MF_ENABLED;
-  else
-    ms_flag = MF_GRAYED;
+    int flag = enable ? MF_ENABLED : MF_GRAYED;
 
-  wxMenu *itemMenu = NULL;
-  wxMenuItem *item = FindItemForId(Id, &itemMenu) ;
-  if (!item)
-    return;
+    wxMenu *itemMenu = NULL;
+    wxMenuItem *item = FindItemForId(id, &itemMenu) ;
 
-  if (itemMenu->m_hMenu)
-    EnableMenuItem((HMENU)itemMenu->m_hMenu, Id, MF_BYCOMMAND | ms_flag);
-  else if (itemMenu->m_savehMenu)
-    EnableMenuItem((HMENU)itemMenu->m_savehMenu, Id, MF_BYCOMMAND | ms_flag);
+    wxCHECK_RET( item, "attempt to enable an item which doesn't exist" );
 
+    EnableMenuItem(GetHMenuOf(itemMenu), id, MF_BYCOMMAND | flag);
 }
 
-void wxMenuBar::EnableTop(int pos, bool flag)
+void wxMenuBar::EnableTop(int pos, bool enable)
 {
-  int ms_flag;
-  if (flag)
-    ms_flag = MF_ENABLED;
-  else
-    ms_flag = MF_GRAYED;
+    int flag = enable ? MF_ENABLED : MF_GRAYED;;
 
-  EnableMenuItem((HMENU)m_hMenu, pos, MF_BYPOSITION | ms_flag);
-  DrawMenuBar((HWND) m_menuBarFrame->GetHWND()) ;
+    EnableMenuItem((HMENU)m_hMenu, pos, MF_BYPOSITION | flag);
+    DrawMenuBar((HWND)m_menuBarFrame->GetHWND()) ;
 }
 
 // Must only be used AFTER menu has been attached to frame,
 // otherwise use individual menus
-void wxMenuBar::Check(int Id, bool Flag)
-{
-  wxMenu *itemMenu = NULL;
-  wxMenuItem *item = FindItemForId(Id, &itemMenu) ;
-  if (!item)
-    return;
-    
-  if (!item->IsCheckable())
-    return ;
-  int ms_flag;
-  if (Flag)
-    ms_flag = MF_CHECKED;
-  else
-    ms_flag = MF_UNCHECKED;
-
-  if (itemMenu->m_hMenu)
-    CheckMenuItem((HMENU)itemMenu->m_hMenu, Id, MF_BYCOMMAND | ms_flag);
-  else if (itemMenu->m_savehMenu)
-    CheckMenuItem((HMENU)itemMenu->m_savehMenu, Id, MF_BYCOMMAND | ms_flag);
-
-//  CheckMenuItem((HMENU)m_hMenu, Id, MF_BYCOMMAND | ms_flag);
-}
-
-bool wxMenuBar::Checked(int Id) const
-{
-  wxMenu *itemMenu = NULL;
-  wxMenuItem *item = FindItemForId(Id, &itemMenu) ;
-  if (!item)
-    return FALSE;
+void wxMenuBar::Check(int id, bool check)
+{
+    wxMenu *itemMenu = NULL;
+    wxMenuItem *item = FindItemForId(id, &itemMenu) ;
 
-  int Flag = 0;
+    wxCHECK_RET( item, "attempt to check an item which doesn't exist" );
+    wxCHECK_RET( item->IsCheckable(), "attempt to check an uncheckable item" );
 
-  if (itemMenu->m_hMenu)
-    Flag=GetMenuState((HMENU)itemMenu->m_hMenu, Id, MF_BYCOMMAND) ;
-  else if (itemMenu->m_savehMenu)
-    Flag=GetMenuState((HMENU)itemMenu->m_savehMenu, Id, MF_BYCOMMAND) ;
+    int flag = check ? MF_CHECKED : MF_UNCHECKED;
+    CheckMenuItem(GetHMenuOf(itemMenu), id, MF_BYCOMMAND | flag);
+}
 
-//  Flag=GetMenuState((HMENU)m_hMenu, Id, MF_BYCOMMAND) ;
+bool wxMenuBar::IsChecked(int id) const
+{
+    wxMenu *itemMenu = NULL;
+    wxMenuItem *item = FindItemForId(id, &itemMenu) ;
+
+    wxCHECK_MSG( item, FALSE, "wxMenuItem::IsChecked(): no such item" );
 
-  if (Flag&MF_CHECKED)
-    return TRUE ;
-  else
-    return FALSE ;
+    int flag = ::GetMenuState(GetHMenuOf(itemMenu), id, MF_BYCOMMAND);
+
+    return (flag & MF_CHECKED) != 0;
 }
 
-bool wxMenuBar::Enabled(int Id) const
+bool wxMenuBar::IsEnabled(int id) const
 {
-  wxMenu *itemMenu = NULL;
-  wxMenuItem *item = FindItemForId(Id, &itemMenu) ;
-  if (!item)
-    return FALSE;
+    wxMenu *itemMenu = NULL;
+    wxMenuItem *item = FindItemForId(id, &itemMenu) ;
 
-  int Flag ;
+    wxCHECK_MSG( item, FALSE, "wxMenuItem::IsEnabled(): no such item" );
 
-  if (itemMenu->m_hMenu)
-    Flag=GetMenuState((HMENU)itemMenu->m_hMenu, Id, MF_BYCOMMAND) ;
-  else if (itemMenu->m_savehMenu)
-    Flag=GetMenuState((HMENU)itemMenu->m_savehMenu, Id, MF_BYCOMMAND) ;
+    int flag = ::GetMenuState(GetHMenuOf(itemMenu), id, MF_BYCOMMAND) ;
 
-  if (Flag&MF_ENABLED)
-    return TRUE ;
-  else
-    return FALSE ;
+    return (flag & MF_ENABLED) != 0;
 }
 
-
-void wxMenuBar::SetLabel(int Id, const wxString& label)
+void wxMenuBar::SetLabel(int id, const wxString& label)
 {
-  wxMenu *itemMenu = NULL;
-  wxMenuItem *item = FindItemForId(Id, &itemMenu) ;
+    wxMenu *itemMenu = NULL;
+    wxMenuItem *item = FindItemForId(id, &itemMenu) ;
 
-  if (!item)
-    return;
+    if (!item)
+        return;
 
-  if (itemMenu->m_hMenu)
-  {
-    UINT was_flag = GetMenuState((HMENU)itemMenu->m_hMenu,Id,MF_BYCOMMAND) ;
-    ModifyMenu((HMENU)itemMenu->m_hMenu,Id,MF_BYCOMMAND|MF_STRING|was_flag,Id,(const char *)label) ;
-  }
-  else if (itemMenu->m_savehMenu)
-  {
-    UINT was_flag = GetMenuState((HMENU)itemMenu->m_savehMenu,Id,MF_BYCOMMAND) ;
-    ModifyMenu((HMENU)itemMenu->m_savehMenu,Id,MF_BYCOMMAND|MF_STRING|was_flag,Id,(const char *)label) ;
-  }
+    HMENU hMenu = GetHMenuOf(itemMenu);
+    UINT was_flag = ::GetMenuState(hMenu, id, MF_BYCOMMAND);
+    ::ModifyMenu(hMenu, id, MF_BYCOMMAND | MF_STRING | was_flag, id, label);
 }
 
-wxString wxMenuBar::GetLabel(int Id) const
+wxString wxMenuBar::GetLabel(int id) const
 {
-  wxMenu *itemMenu = NULL;
-  wxMenuItem *item = FindItemForId(Id, &itemMenu) ;
+    wxMenu *itemMenu = NULL;
+    wxMenuItem *item = FindItemForId(id, &itemMenu) ;
+
+    wxCHECK_MSG( item, "", "wxMenuItem::GetLabel(): no such item" );
 
-  if (!item)
-    return wxString("");
+    HMENU hMenu = GetHMenuOf(itemMenu);
+    int len = ::GetMenuString(hMenu, id, NULL, 0, MF_BYCOMMAND);
 
-  static char tmp[128] ;
-  int len = 0;
-  if (itemMenu->m_hMenu)
-  {
-    len = GetMenuString((HMENU)itemMenu->m_hMenu,Id,tmp,127,MF_BYCOMMAND) ;
-  }
-  else if (itemMenu->m_savehMenu)
-  {
-    len = GetMenuString((HMENU)itemMenu->m_savehMenu,Id,tmp,127,MF_BYCOMMAND) ;
-  }
+    len++;  // for the NUL character
+    wxString label;
+    ::GetMenuString(hMenu, id, label.GetWriteBuf(len), len, MF_BYCOMMAND);
+    label.UngetWriteBuf();
 
-//  int len = GetMenuString((HMENU)m_hMenu,Id,tmp,127,MF_BYCOMMAND) ;
-  tmp[len] = '\0' ;
-  return wxString(tmp) ;
+    return label;
 }
 
 void wxMenuBar::SetLabelTop(int pos, const wxString& label)
 {
-  UINT was_flag = GetMenuState((HMENU)m_hMenu,pos,MF_BYPOSITION) ;
-  if (was_flag&MF_POPUP)
-  {
-    was_flag &= 0xff ;
-    HMENU popup = GetSubMenu((HMENU)m_hMenu,pos) ;
-    ModifyMenu((HMENU)m_hMenu,pos,MF_BYPOSITION|MF_STRING|was_flag,(UINT)popup,(const char *)label) ;
-  }
-  else
-    ModifyMenu((HMENU)m_hMenu,pos,MF_BYPOSITION|MF_STRING|was_flag,pos,(const char *)label) ;
+    UINT id;
+    UINT was_flag = ::GetMenuState((HMENU)m_hMenu, pos, MF_BYPOSITION);
+    if (was_flag & MF_POPUP)
+    {
+        was_flag &= 0xff ;
+        id = (UINT)::GetSubMenu((HMENU)m_hMenu, pos) ;
+    }
+    else
+    {
+        id = pos;
+    }
+
+    ::ModifyMenu((HMENU)m_hMenu, pos, MF_BYPOSITION | MF_STRING | was_flag,
+                  id, label) ;
 }
 
 wxString wxMenuBar::GetLabelTop(int pos) const
 {
-  static char tmp[128] ;
-  int len = GetMenuString((HMENU)m_hMenu,pos,tmp,127,MF_BYPOSITION) ;
-  tmp[len] = '\0' ;
-  return wxString(tmp);
+    int len = ::GetMenuString((HMENU)m_hMenu, pos, NULL, 0, MF_BYCOMMAND);
+
+    len++;  // for the NUL character
+    wxString label;
+    ::GetMenuString((HMENU)m_hMenu, pos, label.GetWriteBuf(len), len, MF_BYCOMMAND);
+    label.UngetWriteBuf();
+
+    return label;
 }
 
 bool wxMenuBar::OnDelete(wxMenu *a_menu, int pos)
 {
-  if (!m_menuBarFrame)
-	 return TRUE;
+    if (!m_menuBarFrame)
+        return TRUE;
 
-  if (RemoveMenu((HMENU)m_hMenu, (UINT)pos, MF_BYPOSITION)) {
-	 m_menus[pos]->m_hMenu = m_menus[pos]->m_savehMenu;
-	 m_menus[pos]->m_savehMenu = 0;
+    if (RemoveMenu((HMENU)m_hMenu, (UINT)pos, MF_BYPOSITION)) {
+        m_menus[pos]->m_hMenu = m_menus[pos]->m_savehMenu;
+        m_menus[pos]->m_savehMenu = 0;
 
-	 if (m_menuBarFrame) {
-		DrawMenuBar((HWND) m_menuBarFrame->GetHWND()) ;
-	 }
+        if (m_menuBarFrame) {
+            DrawMenuBar((HWND) m_menuBarFrame->GetHWND()) ;
+        }
 
-	 return TRUE;
-  }
+        return TRUE;
+    }
 
-  return FALSE;
+    return FALSE;
 }
 
 bool wxMenuBar::OnAppend(wxMenu *a_menu, const char *title)
 {
-  if (!a_menu->m_hMenu)
-	 return FALSE;
+    if (!a_menu->m_hMenu)
+        return FALSE;
 
-  if (!m_menuBarFrame)
-	 return TRUE;
+    if (!m_menuBarFrame)
+        return TRUE;
 
-  a_menu->m_savehMenu = a_menu->m_hMenu;
-  a_menu->m_hMenu = 0;
+    a_menu->m_savehMenu = a_menu->m_hMenu;
+    a_menu->m_hMenu = 0;
 
-  AppendMenu((HMENU)m_hMenu, MF_POPUP | MF_STRING, (UINT)a_menu->m_savehMenu, title);
+    AppendMenu((HMENU)m_hMenu, MF_POPUP | MF_STRING, (UINT)a_menu->m_savehMenu, title);
 
-  DrawMenuBar((HWND) m_menuBarFrame->GetHWND());
+    DrawMenuBar((HWND)m_menuBarFrame->GetHWND());
 
-  return TRUE;
+    return TRUE;
 }
 
 void wxMenuBar::Append (wxMenu * menu, const wxString& title)
 {
-  if (!OnAppend(menu, title))
-	 return;
+    if (!OnAppend(menu, title))
+        return;
 
-  m_menuCount ++;
-  wxMenu **new_menus = new wxMenu *[m_menuCount];
-  wxString *new_titles = new wxString[m_menuCount];
-  int i;
+    m_menuCount ++;
+    wxMenu **new_menus = new wxMenu *[m_menuCount];
+    wxString *new_titles = new wxString[m_menuCount];
+    int i;
 
-  for (i = 0; i < m_menuCount - 1; i++)
-	 {
-		new_menus[i] = m_menus[i];
-		m_menus[i] = NULL;
-		new_titles[i] = m_titles[i];
-		m_titles[i] = "";
-	 }
-  if (m_menus)
-	 {
-		delete[]m_menus;
-		delete[]m_titles;
-	 }
-  m_menus = new_menus;
-  m_titles = new_titles;
+    for (i = 0; i < m_menuCount - 1; i++)
+    {
+        new_menus[i] = m_menus[i];
+        m_menus[i] = NULL;
+        new_titles[i] = m_titles[i];
+        m_titles[i] = "";
+    }
+    if (m_menus)
+    {
+        delete[]m_menus;
+        delete[]m_titles;
+    }
+    m_menus = new_menus;
+    m_titles = new_titles;
 
-  m_menus[m_menuCount - 1] = (wxMenu *)menu;
-  m_titles[m_menuCount - 1] = title;
+    m_menus[m_menuCount - 1] = (wxMenu *)menu;
+    m_titles[m_menuCount - 1] = title;
 
-  ((wxMenu *)menu)->m_menuBar = (wxMenuBar *) this;
-  ((wxMenu *)menu)->SetParent(this);
+    ((wxMenu *)menu)->m_menuBar = (wxMenuBar *) this;
+    ((wxMenu *)menu)->SetParent(this);
 }
 
 void wxMenuBar::Delete(wxMenu * menu, int i)
 {
-  int j;
-  int ii = (int) i;
-
-  if (menu != 0) {
-	 for (ii = 0; ii < m_menuCount; ii++) {
-		if (m_menus[ii] == menu)
-	break;
-	 }
-	 if (ii >= m_menuCount)
-		return;
-  } else {
-	 if (ii < 0 || ii >= m_menuCount)
-		return;
-	 menu = m_menus[ii];
-  }
+    int j;
+    int ii = (int) i;
+
+    if (menu != 0) {
+        for (ii = 0; ii < m_menuCount; ii++) {
+            if (m_menus[ii] == menu)
+                break;
+        }
+        if (ii >= m_menuCount)
+            return;
+    } else {
+        if (ii < 0 || ii >= m_menuCount)
+            return;
+        menu = m_menus[ii];
+    }
 
-  if (!OnDelete(menu, ii))
-	 return;
+    if (!OnDelete(menu, ii))
+        return;
 
-  menu->SetParent(NULL);
+    menu->SetParent(NULL);
 
-  -- m_menuCount;
-  for (j = ii; j < m_menuCount; j++) {
-	 m_menus[j] = m_menus[j + 1];
-	 m_titles[j] = m_titles[j + 1];
-  }
+    -- m_menuCount;
+    for (j = ii; j < m_menuCount; j++) {
+        m_menus[j] = m_menus[j + 1];
+        m_titles[j] = m_titles[j + 1];
+    }
 }
 
 // Find the menu menuString, item itemString, and return the item id.
 // Returns -1 if none found.
 int wxMenuBar::FindMenuItem (const wxString& menuString, const wxString& itemString) const
 {
-  char buf1[200];
-  char buf2[200];
-  wxStripMenuCodes ((char *)(const char *)menuString, buf1);
-  int i;
-  for (i = 0; i < m_menuCount; i++)
+    char buf1[200];
+    char buf2[200];
+    wxStripMenuCodes ((char *)(const char *)menuString, buf1);
+    int i;
+    for (i = 0; i < m_menuCount; i++)
     {
-      wxStripMenuCodes ((char *)(const char *)m_titles[i], buf2);
-      if (strcmp (buf1, buf2) == 0)
-	return m_menus[i]->FindItem (itemString);
+        wxStripMenuCodes ((char *)(const char *)m_titles[i], buf2);
+        if (strcmp (buf1, buf2) == 0)
+            return m_menus[i]->FindItem (itemString);
     }
-  return -1;
+    return -1;
 }
 
-wxMenuItem *wxMenuBar::FindItemForId (int Id, wxMenu ** itemMenu) const
+wxMenuItem *wxMenuBar::FindItemForId (int id, wxMenu ** itemMenu) const
 {
-  if (itemMenu)
-    *itemMenu = NULL;
+    if (itemMenu)
+        *itemMenu = NULL;
 
-  wxMenuItem *item = NULL;
-  int i;
-  for (i = 0; i < m_menuCount; i++)
-  {
-    item = m_menus[i]->FindItemForId (Id, itemMenu);
-    if (item)
-      return item;
-  }
-  return NULL;
+    wxMenuItem *item = NULL;
+    int i;
+    for (i = 0; i < m_menuCount; i++)
+    {
+        item = m_menus[i]->FindItemForId (id, itemMenu);
+        if (item)
+            return item;
+    }
+    return NULL;
 }
 
-void wxMenuBar::SetHelpString (int Id, const wxString& helpString)
+void wxMenuBar::SetHelpString (int id, const wxString& helpString)
 {
-  int i;
-  for (i = 0; i < m_menuCount; i++)
+    int i;
+    for (i = 0; i < m_menuCount; i++)
     {
-      if (m_menus[i]->FindItemForId (Id))
-	{
-	  m_menus[i]->SetHelpString (Id, helpString);
-	  return;
-	}
+        if (m_menus[i]->FindItemForId (id))
+        {
+            m_menus[i]->SetHelpString (id, helpString);
+            return;
+        }
     }
 }
 
-wxString wxMenuBar::GetHelpString (int Id) const
+wxString wxMenuBar::GetHelpString (int id) const
 {
-  int i;
-  for (i = 0; i < m_menuCount; i++)
+    wxString helpString;
+
+    for (int i = 0; i < m_menuCount; i++)
     {
-      if (m_menus[i]->FindItemForId (Id))
-	    return wxString(m_menus[i]->GetHelpString (Id));
+        wxMenuItem *item = m_menus[i]->FindItemForId(id);
+        if ( item )
+        {
+            helpString = item->GetHelp();
+
+            break;
+        }
     }
-  return wxString("");
+
+    return helpString;
 }
 
+// ----------------------------------------------------------------------------
+// helper functions
+// ----------------------------------------------------------------------------
+
 wxWindow *wxMenu::GetWindow() const
-{ 
-  if ( m_pInvokingWindow != NULL )
-    return m_pInvokingWindow;
-  if ( m_menuBar != NULL)       
-    return m_menuBar->m_menuBarFrame;
-  return NULL;
+{
+    if ( m_pInvokingWindow != NULL )
+        return m_pInvokingWindow;
+    else if ( m_menuBar != NULL)
+        return m_menuBar->m_menuBarFrame;
+
+    return NULL;
 }
 
 WXHMENU wxMenu::GetHMenu() const
 {
-  if ( m_hMenu != 0 )
-    return m_hMenu;
-  else if ( m_savehMenu != 0 )
-    return m_savehMenu;
+    if ( m_hMenu != 0 )
+        return m_hMenu;
+    else if ( m_savehMenu != 0 )
+        return m_savehMenu;
+
+    wxFAIL_MSG("wxMenu without HMENU");
 
-  return 0;
+    return 0;
 }
 
-// Update a menu and all submenus recursively.
-// source is the object that has the update event handlers
-// defined for it. If NULL, the menu or associated window
-// will be used.
+// Update a menu and all submenus recursively. source is the object that has
+// the update event handlers defined for it. If NULL, the menu or associated
+// window will be used.
 void wxMenu::UpdateUI(wxEvtHandler* source)
 {
-  if (!source && GetInvokingWindow())
-    source = GetInvokingWindow()->GetEventHandler();
-  if (!source)
-    source = GetEventHandler();
-  if (!source)
-    source = this;
-
-  wxNode* node = GetItems().First();
-  while (node)
-  {
-    wxMenuItem* item = (wxMenuItem*) node->Data();
-    if ( !item->IsSeparator() )
+    if (!source && GetInvokingWindow())
+        source = GetInvokingWindow()->GetEventHandler();
+    if (!source)
+        source = GetEventHandler();
+    if (!source)
+        source = this;
+
+    wxNode* node = GetItems().First();
+    while (node)
     {
-      wxWindowID id = item->GetId();
-      wxUpdateUIEvent event(id);
-      event.SetEventObject( source );
-
-      if (source->ProcessEvent(event))
-      {
-        if (event.GetSetText())
-          SetLabel(id, event.GetText());
-        if (event.GetSetChecked())
-          Check(id, event.GetChecked());
-        if (event.GetSetEnabled())
-          Enable(id, event.GetEnabled());
-      }
-
-      if (item->GetSubMenu())
-        item->GetSubMenu()->UpdateUI(source);
-    }
-    node = node->Next();
-  }
+        wxMenuItem* item = (wxMenuItem*) node->Data();
+        if ( !item->IsSeparator() )
+        {
+            wxWindowID id = item->GetId();
+            wxUpdateUIEvent event(id);
+            event.SetEventObject( source );
+
+            if (source->ProcessEvent(event))
+            {
+                if (event.GetSetText())
+                    SetLabel(id, event.GetText());
+                if (event.GetSetChecked())
+                    Check(id, event.GetChecked());
+                if (event.GetSetEnabled())
+                    Enable(id, event.GetEnabled());
+            }
+
+            if (item->GetSubMenu())
+                item->GetSubMenu()->UpdateUI(source);
+        }
+        node = node->Next();
+    }
 }