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Fixed non-standard C++ syntax errors
[wxWidgets.git] / src / os2 / menu.cpp
diff --git a/src/os2/menu.cpp b/src/os2/menu.cpp
index 5880beab530c0a58cd6881c075a15719b1d56a40..023870332c4af2c5f8c7818ac7d77381936154db 100644 (file)
--- a/src/os2/menu.cpp
+++ b/src/os2/menu.cpp
@@ -1,614 +1,983 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        menu.cpp
 // Purpose:     wxMenu, wxMenuBar, wxMenuItem
 /////////////////////////////////////////////////////////////////////////////
 // Name:        menu.cpp
 // Purpose:     wxMenu, wxMenuBar, wxMenuItem
-// Author:      AUTHOR
+// Author:      David Webster
 // Modified by:
 // Modified by:
-// Created:     ??/??/98
+// Created:     10/10/99
 // RCS-ID:      $Id$
 // RCS-ID:      $Id$
-// Copyright:   (c) AUTHOR
-// Licence:    wxWindows licence
+// Copyright:   (c) David Webster
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 
+#ifdef __GNUG__
+    #pragma implementation "menu.h"
+#endif
 
 
-// ============================================================================
-// headers & declarations
-// ============================================================================
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 
-// wxWindows headers
-// -----------------
+#ifndef WX_PRECOMP
+    #include "wx/frame.h"
+    #include "wx/menu.h"
+    #include "wx/utils.h"
+    #include "wx/intl.h"
+    #include "wx/log.h"
+#endif
 
 
-#ifdef __GNUG__
-#pragma implementation "menu.h"
-#pragma implementation "menuitem.h"
+#if wxUSE_OWNER_DRAWN
+    #include "wx/ownerdrw.h"
 #endif
 
 #endif
 
-#include "wx/menu.h"
-#include "wx/menuitem.h"
-#include "wx/log.h"
-#include "wx/utils.h"
+#include "wx/os2/private.h"
 
 // other standard headers
 
 // other standard headers
-// ----------------------
 #include <string.h>
 
 #include <string.h>
 
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler)
-IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxEvtHandler)
-#endif
+// ----------------------------------------------------------------------------
+// global variables
+// ----------------------------------------------------------------------------
+
+extern wxMenu*                      wxCurrentPopupMenu;
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+//
+// The (popup) menu title has this special id
+//
+static const int                    idMenuTitle = -2;
+
+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------
+
+    IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler)
+    IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxEvtHandler)
 
 // ============================================================================
 // implementation
 // ============================================================================
 
 
 // ============================================================================
 // implementation
 // ============================================================================
 
-// Menus
+// ---------------------------------------------------------------------------
+// wxMenu construction, adding and removing menu items
+// ---------------------------------------------------------------------------
 
 
+//
 // Construct a menu with optional title (then use append)
 // 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_noItems = 0;
-    m_menuBar = NULL;
-    m_clientData = (void*) NULL;
-    if (m_title != "")
+//
+void wxMenu::Init()
+{
+    m_bDoBreak = FALSE;
+
+    //
+    // Create the menu
+    //
+    m_hMenu = ::WinCreateWindow( HWND_DESKTOP // parent
+                                ,WC_MENU      // type
+                                ,"Menu"       // a generic name
+                                ,0L           // no style flag
+                                ,0L,0L,0L,0L  // no position
+                                ,NULLHANDLE   // no owner
+                                ,NULLHANDLE   // no insertion position
+                                ,0L           // no ID needed for dynamic creation
+                                ,NULL         // no control data
+                                ,NULL         // no presentation params
+                               );
+    if (!m_hMenu)
     {
     {
-        Append(-2, m_title) ;
-        AppendSeparator() ;
+        wxLogLastError("WinLoadMenu");
     }
 
     }
 
-    Callback(func);
-
-    // TODO create menu
-}
+    //
+    // If we have a title, insert it in the beginning of the menu
+    //
+    if (!!m_title)
+    {
+        Append( idMenuTitle
+               ,m_title
+              );
+        AppendSeparator();
+    }
+} // end of wxMenu::Init
 
 
+//
 // The wxWindow destructor will take care of deleting the submenus.
 // The wxWindow destructor will take care of deleting the submenus.
+//
 wxMenu::~wxMenu()
 {
 wxMenu::~wxMenu()
 {
-    // TODO destroy menu and children
-
-    wxNode *node = m_menuItems.First();
-    while (node)
+    //
+    // We should free PM resources only if PM doesn't do it for us
+    // which happens if we're attached to a menubar or a submenu of another
+    // menu
+    if (!IsAttached() && !GetParent())
     {
     {
-        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 (!::WinDestroyWindow((HWND)GetHmenu()) )
+        {
+            wxLogLastError("WinDestroyWindow");
+        }
     }
     }
-}
 
 
-void wxMenu::Break()
-{
-    // TODO
-}
+#if wxUSE_ACCEL
+    //
+    // Delete accels
+    //
+    WX_CLEAR_ARRAY(m_vAccels);
+#endif // wxUSE_ACCEL
+} // end of wxMenu::~wxMenu
 
 
-// function appends a new item or submenu to the menu
-void wxMenu::Append(wxMenuItem *pItem)
+void wxMenu::Break()
 {
 {
-    // TODO
-
-    wxCHECK_RET( pItem != NULL, "can't append NULL item to the menu" );
+    // this will take effect during the next call to Append()
+    m_bDoBreak = TRUE;
+} // end of wxMenu::Break
 
 
-    m_menuItems.Append(pItem);
+#if wxUSE_ACCEL
 
 
-    m_noItems++;
-}
-
-void wxMenu::AppendSeparator()
+int wxMenu::FindAccel(
+  int                               nId
+) const
 {
 {
-    // TODO
-    Append(new wxMenuItem(this, ID_SEPARATOR));
-}
+    size_t                          n;
+    size_t                          nCount = m_vAccels.GetCount();
 
 
-// Pullright item
-void wxMenu::Append(int Id, const wxString& label, wxMenu *SubMenu, 
-                    const wxString& helpString)
-{
-    Append(new wxMenuItem(this, Id, label, helpString, FALSE, SubMenu));
-}
+    for (n = 0; n < nCount; n++)
+    {
+        if (m_vAccels[n]->m_command == nId)
+            return n;
+    }
+    return wxNOT_FOUND;
+} // end of wxMenu::FindAccel
 
 
-// Ordinary menu item
-void wxMenu::Append(int Id, const wxString& label, 
-                    const wxString& helpString, bool checkable)
+void wxMenu::UpdateAccel(
+  wxMenuItem*                       pItem
+)
 {
 {
-  // 'checkable' parameter is useless for Windows.
-    Append(new wxMenuItem(this, Id, label, helpString, checkable));
-}
+    //
+    // Find the (new) accel for this item
+    //
+    wxAcceleratorEntry*             pAccel = wxGetAccelFromString(pItem->GetText());
 
 
-void wxMenu::Delete(int id)
-{
-    wxNode *node;
-    wxMenuItem *item;
-    int pos;
+    if (pAccel)
+        pAccel->m_command = pItem->GetId();
+
+    //
+    // Find the old one
+    //
+    int                             n = FindAccel(pItem->GetId());
 
 
-    for (pos = 0, node = m_menuItems.First(); node; node = node->Next(), pos++) {
-        item = (wxMenuItem *)node->Data();
-        if (item->GetId() == id)
-               break;
+    if (n == wxNOT_FOUND)
+    {
+        //
+        // No old, add new if any
+        //
+        if (pAccel)
+            m_vAccels.Add(pAccel);
+        else
+            return;     // skipping RebuildAccelTable() below
+    }
+    else
+    {
+        //
+        // Replace old with new or just remove the old one if no new
+        //
+        delete                      m_vAccels[n];
+
+        if (pAccel)
+            m_vAccels[n] = pAccel;
+        else
+            m_vAccels.Remove(n);
     }
 
     }
 
-    if (!node)
-       return;
+    if (IsAttached())
+    {
+        m_menuBar->RebuildAccelTable();
+    }
+} // wxMenu::UpdateAccel
+
+#endif // wxUSE_ACCEL
+
+//
+// Append a new item or submenu to the menu
+//
+bool wxMenu::DoInsertOrAppend(
+  wxMenuItem*                       pItem
+, size_t                            nPos
+)
+{
+#if wxUSE_ACCEL
+    UpdateAccel(pItem);
+#endif // wxUSE_ACCEL
+
+    //
+    // If "Break" has just been called, insert a menu break before this item
+    // (and don't forget to reset the flag)
+    //
+    if (m_bDoBreak)
+    {
+        m_vMenuData.afStyle |= MIS_BREAK;
+        m_bDoBreak = FALSE;
+    }
 
 
-    m_menuItems.DeleteNode(node);
-    delete item;
+    if (pItem->IsSeparator())
+    {
+        m_vMenuData.afStyle |= MIS_SEPARATOR;
+    }
 
 
-    // TODO
-}
+    //
+    // Id is the numeric id for normal menu items and HMENU for submenus as
+    // required by ::WinInsertMenu() API
+    //
 
 
-void wxMenu::Enable(int Id, bool Flag)
-{
-    wxMenuItem *item = FindItemForId(Id);
-    wxCHECK_RET( item != NULL, "can't enable non-existing menu item" );
+    wxMenu*                         pSubmenu = pItem->GetSubMenu();
+    MENUITEM                        vItem;
 
 
-    item->Enable(Flag);
-}
+    if (pSubmenu != NULL )
+    {
+        wxASSERT_MSG(pSubmenu->GetHMenu(), wxT("invalid submenu"));
+        pSubmenu->SetParent(this);
 
 
-bool wxMenu::Enabled(int Id) const
-{
-    wxMenuItem *item = FindItemForId(Id);
-    wxCHECK( item != NULL, FALSE );
+        m_vMenuData.id = (USHORT)pSubmenu->GetHMenu();
+        m_vMenuData.afStyle |= MIS_SUBMENU;
+    }
+    else
+    {
+        m_vMenuData.id = pItem->GetId();
+    }
 
 
-    return item->IsEnabled();
-}
+    BYTE*                           pData;
 
 
-void wxMenu::Check(int Id, bool Flag)
-{
-    wxMenuItem *item = FindItemForId(Id);
-    wxCHECK_RET( item != NULL, "can't get status of non-existing menu item" );
+#if wxUSE_OWNER_DRAWN
+    if (pItem->IsOwnerDrawn())
+    {
+        //
+        // Want to get {Measure|Draw}Item messages?
+        // item draws itself, pass pointer to it in data parameter
+        //
+        m_vMenuData.afStyle |= MIS_OWNERDRAW;
+        pData = (BYTE*)pItem;
+    }
+    else
+#endif
+    {
+        //
+        // Menu is just a normal string (passed in data parameter)
+        //
+        m_vMenuData.afStyle |= MIS_TEXT;
+        pData = (char*)pItem->GetText().c_str();
+    }
 
 
-    item->Check(Flag);
-}
+    BOOL                            bOk;
 
 
-bool wxMenu::Checked(int Id) const
-{
-    wxMenuItem *item = FindItemForId(Id);
-    wxCHECK( item != NULL, FALSE );
+    //
+    // -1 means this is a sub menu not a menuitem
+    //
+    if (nPos == (size_t)-1)
+    {
+        HWND                        hSubMenu = ::WinCreateWindow( HWND_DESKTOP // parent
+                                                                 ,WC_MENU      // type
+                                                                 ,"Menu"       // a generic name
+                                                                 ,0L           // no style flag
+                                                                 ,0L,0L,0L,0L  // no position
+                                                                 ,NULLHANDLE   // no owner
+                                                                 ,NULLHANDLE   // no insertion position
+                                                                 ,0L           // no ID needed for dynamic creation
+                                                                 ,NULL         // no control data
+                                                                 ,NULL         // no presentation params
+                                                                );
+
+        m_vMenuData.iPosition   = 0;
+        m_vMenuData.hwndSubMenu = hSubMenu;
+        m_vMenuData.hItem       = NULLHANDLE;
+
+        bOk = (bool)::WinSendMsg(GetHmenu(), MM_INSERTITEM, (MPARAM)&vItem, (MPARAM)NULL);
+    }
+    else
+    {
+        m_vMenuData.iPosition   = nPos;
+        m_vMenuData.hwndSubMenu = NULLHANDLE;
+        m_vMenuData.hItem       = NULLHANDLE;
+        bOk = (bool)::WinSendMsg(GetHmenu(), MM_INSERTITEM, (MPARAM)&vItem, (MPARAM)pData);
+    }
 
 
-    return item->IsChecked();
-}
+    if (!bOk)
+    {
+        wxLogLastError("Insert or AppendMenu");
+        return FALSE;
+    }
+    else
+    {
+        //
+        // If we're already attached to the menubar, we must update it
+        //
+        if (IsAttached())
+        {
+            m_menuBar->Refresh();
+        }
+        return TRUE;
+    }
+    return FALSE;
+} // end of wxMenu::DoInsertOrAppend
 
 
-void wxMenu::SetTitle(const wxString& label)
+bool wxMenu::DoAppend(
+  wxMenuItem*                       pItem
+)
 {
 {
-    m_title = label ;
-    // TODO
+    return wxMenuBase::DoAppend(pItem) && DoInsertOrAppend(pItem);
 }
 
 }
 
-const wxString wxMenu::GetTitle() const
+bool wxMenu::DoInsert(
+  size_t                            nPos
+, wxMenuItem*                       pItem
+)
 {
 {
-    return m_title;
-}
+    return ( wxMenuBase::DoInsert( nPos
+                                  ,pItem) &&
+             DoInsertOrAppend( pItem
+                              ,nPos
+                             ));
+} // end of wxMenu::DoInsert
 
 
-void wxMenu::SetLabel(int id, const wxString& label)
+wxMenuItem* wxMenu::DoRemove(
+  wxMenuItem*                       pItem
+)
 {
 {
-    wxMenuItem *item = FindItemForId(id) ;
-    if (item==NULL)
-        return;
+    //
+    // We need to find the items position in the child list
+    //
+    size_t                          nPos;
+    wxMenuItemList::Node*           pNode = GetMenuItems().GetFirst();
 
 
-    if (item->GetSubMenu()==NULL)
+    for (nPos = 0; pNode; nPos++)
     {
     {
-        // TODO
+        if (pNode->GetData() == pItem)
+            break;
+        pNode = pNode->GetNext();
     }
     }
-    else
+
+    //
+    // DoRemove() (unlike Remove) can only be called for existing item!
+    //
+    wxCHECK_MSG(pNode, NULL, wxT("bug in wxMenu::Remove logic"));
+
+#if wxUSE_ACCEL
+    //
+    // Remove the corresponding accel from the accel table
+    //
+    int                             n = FindAccel(pItem->GetId());
+
+    if (n != wxNOT_FOUND)
     {
     {
-        // TODO
+        delete m_vAccels[n];
+        m_vAccels.Remove(n);
     }
     }
-    item->SetName(label);
-}
 
 
-wxString wxMenu::GetLabel(int Id) const
-{
-    // TODO
-    return wxString("") ;
-}
+#endif // wxUSE_ACCEL
+    //
+    // Remove the item from the menu
+    //
+    ::WinSendMsg( GetHmenu()
+                 ,MM_REMOVEITEM
+                 ,MPFROM2SHORT(pItem->GetId(), TRUE)
+                 ,(MPARAM)0
+                );
+    if (IsAttached())
+    {
+        //
+        // Otherwise, the chane won't be visible
+        //
+        m_menuBar->Refresh();
+    }
+
+    //
+    // And from internal data structures
+    //
+    return wxMenuBase::DoRemove(pItem);
+} // end of wxMenu::DoRemove
+
+// ---------------------------------------------------------------------------
+// accelerator helpers
+// ---------------------------------------------------------------------------
 
 
-// Finds the item id matching the given string, -1 if not found.
-int wxMenu::FindItem (const wxString& itemString) const
+#if wxUSE_ACCEL
+
+//
+// Create the wxAcceleratorEntries for our accels and put them into provided
+// array - return the number of accels we have
+//
+size_t wxMenu::CopyAccels(
+  wxAcceleratorEntry*               pAccels
+) const
 {
 {
-    char buf1[200];
-    char buf2[200];
-    wxStripMenuCodes ((char *)(const char *)itemString, buf1);
+    size_t                          nCount = GetAccelCount();
 
 
-    for (wxNode * node = m_menuItems.First (); node; node = node->Next ())
+    for (size_t n = 0; n < nCount; n++)
     {
     {
-      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();
-      }
+        *pAccels++ = *m_vAccels[n];
     }
     }
+    return nCount;
+} // end of wxMenu::CopyAccels
 
 
-    return -1;
-}
+#endif // wxUSE_ACCEL
 
 
-wxMenuItem *wxMenu::FindItemForId(int itemId, wxMenu ** itemMenu) const
+// ---------------------------------------------------------------------------
+// set wxMenu title
+// ---------------------------------------------------------------------------
+
+void wxMenu::SetTitle(
+  const wxString&                   rLabel
+)
 {
 {
-    if (itemMenu)
-        *itemMenu = NULL;
-    for (wxNode * node = m_menuItems.First (); node; node = node->Next ())
-    {
-        wxMenuItem *item = (wxMenuItem *) node->Data ();
+    bool                            bHasNoTitle = m_title.IsEmpty();
+    HWND                            hMenu = GetHmenu();
 
 
-        if (item->GetId() == itemId)
+    m_title = rLabel;
+    if (bHasNoTitle)
+    {
+        if (!rLabel.IsEmpty())
         {
         {
-            if (itemMenu)
-                *itemMenu = (wxMenu *) this;
-            return item;
+            if (!::WinSetWindowText(hMenu, rLabel.c_str()))
+            {
+                wxLogLastError("SetMenuTitle");
+            }
         }
         }
-
-        if (item->GetSubMenu())
+    }
+    else
+    {
+        if (rLabel.IsEmpty() )
+        {
+            ::WinSendMsg( GetHmenu()
+                         ,MM_REMOVEITEM
+                         ,MPFROM2SHORT(hMenu, TRUE)
+                         ,(MPARAM)0
+                        );
+        }
+        else
         {
         {
-            wxMenuItem *ans = item->GetSubMenu()->FindItemForId (itemId, itemMenu);
-            if (ans)
-                return ans;
+            //
+            // Modify the title
+            //
+            if (!::WinSetWindowText(hMenu, rLabel.c_str()))
+            {
+                wxLogLastError("SetMenuTitle");
+            }
         }
     }
         }
     }
+} // end of wxMenu::SetTitle
 
 
-    if (itemMenu)
-        *itemMenu = NULL;
-    return NULL;
-}
+// ---------------------------------------------------------------------------
+// event processing
+// ---------------------------------------------------------------------------
 
 
-void wxMenu::SetHelpString(int itemId, const wxString& helpString)
+bool wxMenu::OS2Command(
+  WXUINT                            WXUNUSED(uParam)
+, WXWORD                            vId
+)
 {
 {
-    wxMenuItem *item = FindItemForId (itemId);
-    if (item)
-        item->SetHelp(helpString);
-}
+    //
+    // Ignore commands from the menu title
+    //
 
 
-wxString wxMenu::GetHelpString (int itemId) const
-{
-    wxMenuItem *item = FindItemForId (itemId);
-    wxString str("");
-    return (item == NULL) ? str : item->GetHelp();
-}
+    if (vId != (WXWORD)idMenuTitle)
+    {
+        wxCommandEvent              vEvent(wxEVT_COMMAND_MENU_SELECTED);
 
 
-void wxMenu::ProcessCommand(wxCommandEvent & event)
+        vEvent.SetEventObject(this);
+        vEvent.SetId(vId);
+        vEvent.SetInt(vId);
+        ProcessCommand(vEvent);
+    }
+    return TRUE;
+} // end of wxMenu::OS2Command
+
+bool wxMenu::ProcessCommand(
+  wxCommandEvent&                   rEvent
+)
 {
 {
-    bool processed = FALSE;
+    bool                            bProcessed = FALSE;
 
 
+#if wxUSE_MENU_CALLBACK
+    //
     // Try a callback
     // Try a callback
+    //
     if (m_callback)
     {
     if (m_callback)
     {
-            (void) (*(m_callback)) (*this, event);
-            processed = TRUE;
+        (void)(*(m_callback))(*this, rEvent);
+        bProcessed = TRUE;
     }
     }
+#endif // wxUSE_MENU_CALLBACK
 
 
+    //
     // Try the menu's event handler
     // Try the menu's event handler
-    if ( !processed && GetEventHandler())
+    //
+    if (!bProcessed && GetEventHandler())
     {
     {
-            processed = GetEventHandler()->ProcessEvent(event);
+        bProcessed = GetEventHandler()->ProcessEvent(rEvent);
     }
     }
-/* TODO
-    // Try the window the menu was popped up from (and up
-    // through the hierarchy)
-    if ( !processed && GetInvokingWindow())
-        processed = GetInvokingWindow()->ProcessEvent(event);
-*/
-}
 
 
-// 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() )
-    {
-      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();
-  }
-}
+    //
+    // Try the window the menu was popped up from (and up through the
+    // hierarchy)
+    wxWindow*                       pWin = GetInvokingWindow();
 
 
-bool wxWindow::PopupMenu(wxMenu *menu, int x, int y)
-{
-    menu->SetInvokingWindow(this);
-    menu->UpdateUI();
+    if (!bProcessed && pWin)
+        bProcessed = pWin->GetEventHandler()->ProcessEvent(rEvent);
+    return bProcessed;
+} // end of wxMenu::ProcessCommand
 
 
-    // TODO
-    return FALSE;
-}
+// ---------------------------------------------------------------------------
+// other
+// ---------------------------------------------------------------------------
 
 
-// Menu Bar
-wxMenuBar::wxMenuBar()
+void wxMenu::Attach(
+  wxMenuBar*                        pMenubar
+)
 {
 {
-    m_eventHandler = this;
-    m_menuCount = 0;
-    m_menus = NULL;
-    m_titles = NULL;
-    m_menuBarFrame = NULL;
-
-    // TODO
-}
+    //
+    // Menu can be in at most one menubar because otherwise they would both
+    // delete the menu pointer
+    //
+    wxASSERT_MSG(!m_menuBar, wxT("menu belongs to 2 menubars, expect a crash"));
+    m_menuBar = pMenubar;
+} // end of
 
 
-wxMenuBar::wxMenuBar(int n, wxMenu *menus[], const wxString titles[])
+void wxMenu::Detach()
 {
 {
-    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;
-
-    // TODO
-}
+    wxASSERT_MSG( m_menuBar, wxT("can't detach menu if it's not attached") );
+    m_menuBar = NULL;
+} // end of wxMenu::Detach
 
 
-wxMenuBar::~wxMenuBar()
+wxWindow* wxMenu::GetWindow() const
 {
 {
-    int i;
-    for (i = 0; i < m_menuCount; i++)
-    {
-        delete m_menus[i];
-    }
-    delete[] m_menus;
-    delete[] m_titles;
+    if (m_invokingWindow != NULL)
+        return m_invokingWindow;
+    else if ( m_menuBar != NULL)
+        return m_menuBar->GetFrame();
 
 
-    // TODO
-}
+    return NULL;
+} // end of wxMenu::GetWindow
+
+// ---------------------------------------------------------------------------
+// Menu Bar
+// ---------------------------------------------------------------------------
 
 
-// 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::Init()
 {
 {
-    wxMenu *itemMenu = NULL;
-    wxMenuItem *item = FindItemForId(id, &itemMenu) ;
-    if (!item)
-        return;
+    m_eventHandler = this;
+    m_pMenuBarFrame = NULL;
+    m_hMenu = 0;
+} // end of wxMenuBar::Init
 
 
-    // TODO
-}
+wxMenuBar::wxMenuBar()
+{
+    Init();
+} // end of wxMenuBar::wxMenuBar
 
 
-void wxMenuBar::EnableTop(int pos, bool flag)
+wxMenuBar::wxMenuBar(
+ long                               WXUNUSED(lStyle)
+)
 {
 {
-    // TODO
-}
+    Init();
+} // end of wxMenuBar::wxMenuBar
 
 
-// Must only be used AFTER menu has been attached to frame,
-// otherwise use individual menus
-void wxMenuBar::Check(int id, bool flag)
+wxMenuBar::wxMenuBar(
+  int                               nCount
+, wxMenu*                           vMenus[]
+, const wxString                    sTitles[]
+)
 {
 {
-    wxMenu *itemMenu = NULL;
-    wxMenuItem *item = FindItemForId(id, &itemMenu) ;
-    if (!item)
-        return;
+    Init();
 
 
-    if (!item->IsCheckable())
-        return ;
+    m_titles.Alloc(nCount);
+    for ( int i = 0; i < nCount; i++ )
+    {
+        m_menus.Append(vMenus[i]);
+        m_titles.Add(sTitles[i]);
+        vMenus[i]->Attach(this);
+    }
+} // end of wxMenuBar::wxMenuBar
 
 
-    // TODO
-}
+wxMenuBar::~wxMenuBar()
+{
+} // end of wxMenuBar::~wxMenuBar
 
 
-bool wxMenuBar::Checked(int id) const
+// ---------------------------------------------------------------------------
+// wxMenuBar helpers
+// ---------------------------------------------------------------------------
+
+void wxMenuBar::Refresh()
 {
 {
-    wxMenu *itemMenu = NULL;
-    wxMenuItem *item = FindItemForId(id, &itemMenu) ;
-    if (!item)
-        return FALSE;
+    wxCHECK_RET( IsAttached(), wxT("can't refresh unatteched menubar") );
 
 
-    // TODO
-    return FALSE;
+//    DrawMenuBar(GetHwndOf(m_menuBarFrame));
 }
 
 }
 
-bool wxMenuBar::Enabled(int id) const
+WXHMENU wxMenuBar::Create()
 {
 {
-    wxMenu *itemMenu = NULL;
-    wxMenuItem *item = FindItemForId(id, &itemMenu) ;
-    if (!item)
-        return FALSE;
+    MENUITEM                        vItem;
 
 
-    // TODO
-    return FALSE ;
-}
+    if (m_hMenu != 0 )
+        return m_hMenu;
 
 
+    wxCHECK_MSG(!m_hMenu, TRUE, wxT("menubar already created"));
 
 
-void wxMenuBar::SetLabel(int id, const wxString& label)
-{
-    wxMenu *itemMenu = NULL;
-    wxMenuItem *item = FindItemForId(id, &itemMenu) ;
+    //
+    // Create an empty menu and then fill it with insertions
+    //
+    m_hMenu = ::WinCreateWindow( HWND_DESKTOP // parent
+                                ,WC_MENU      // type
+                                ,"Menu"       // a generic name
+                                ,0L           // no style flag
+                                ,0L,0L,0L,0L  // no position
+                                ,NULLHANDLE   // no owner
+                                ,NULLHANDLE   // no insertion position
+                                ,0L           // no ID needed for dynamic creation
+                                ,NULL         // no control data
+                                ,NULL         // no presentation params
+                               );
+    if (!m_hMenu)
+    {
+        wxLogLastError("CreateMenu");
+    }
+    else
+    {
+        size_t                      nCount = GetMenuCount();
 
 
-    if (!item)
+        for (size_t i = 0; i < nCount; i++)
+        {
+            vItem.iPosition   = 0;
+            vItem.afStyle     = MIS_SUBMENU | MIS_TEXT;
+            vItem.afAttribute = (USHORT)0;
+            vItem.id          = (USHORT)0;
+            vItem.hwndSubMenu = m_menus[i]->GetHMenu();
+            vItem.hItem       = NULLHANDLE;
+
+            ::WinSendMsg(GetHmenu(), MM_INSERTITEM, (MPARAM)&vItem, (MPARAM)m_titles[i].c_str());
+        }
+    }
+    return m_hMenu;
+} // end of wxMenuBar::Create
+
+// ---------------------------------------------------------------------------
+// wxMenuBar functions to work with the top level submenus
+// ---------------------------------------------------------------------------
+
+//
+// NB: we don't support owner drawn top level items for now, if we do these
+//     functions would have to be changed to use wxMenuItem as well
+//
+void wxMenuBar::EnableTop(
+  size_t                            nPos
+, bool                              bEnable
+)
+{
+    wxCHECK_RET(IsAttached(), wxT("doesn't work with unattached menubars"));
+    USHORT                          uFlag = 0;
+    SHORT                           nId;
+
+    if(!bEnable)
+       uFlag = MIA_DISABLED;
+
+    nId = SHORT1FROMMR(::WinSendMsg((HWND)m_hMenu, MM_ITEMIDFROMPOSITION, MPFROMSHORT(nPos), (MPARAM)0));
+    if (nId == MIT_ERROR)
+    {
+        wxLogLastError("LogLastError");
         return;
         return;
+    }
+    ::WinSendMsg((HWND)m_hMenu, MM_SETITEMATTR, MPFROM2SHORT(nId, TRUE), MPFROM2SHORT(uFlag, uFlag));
+    Refresh();
+} // end of wxMenuBar::EnableTop
 
 
-    // TODO
-}
-
-wxString wxMenuBar::GetLabel(int id) const
+void wxMenuBar::SetLabelTop(
+  size_t                            nPos
+, const wxString&                   rLabel
+)
 {
 {
-    wxMenu *itemMenu = NULL;
-    wxMenuItem *item = FindItemForId(id, &itemMenu) ;
+    SHORT                           nId;
+    MENUITEM                        vItem;
 
 
-    if (!item)
-        return wxString("");
+    wxCHECK_RET(nPos < GetMenuCount(), wxT("invalid menu index"));
+    m_titles[nPos] = rLabel;
 
 
-    // TODO
-    return wxString("") ;
-}
+    if (!IsAttached())
+    {
+        return;
+    }
 
 
-void wxMenuBar::SetLabelTop(int pos, const wxString& label)
-{
-    // TODO
-}
+    nId = SHORT1FROMMR(::WinSendMsg((HWND)m_hMenu, MM_ITEMIDFROMPOSITION, MPFROMSHORT(nPos), (MPARAM)0));
+    if (nId == MIT_ERROR)
+    {
+        wxLogLastError("LogLastError");
+        return;
+    }
+    if(!::WinSendMsg( (HWND)m_hMenu
+                     ,MM_QUERYITEM
+                     ,MPFROM2SHORT(nId, TRUE)
+                     ,MPARAM(&vItem)
+                    ))
+    {
+        wxLogLastError("QueryItem");
+    }
+    nId = vItem.id;
 
 
-wxString wxMenuBar::GetLabelTop(int pos) const
-{
-    // TODO
-    return wxString("");
-}
+    if (::WinSendMsg(GetHmenu(), MM_SETITEMTEXT, MPFROMSHORT(nId), (MPARAM)rLabel.c_str()));
+    {
+        wxLogLastError("ModifyMenu");
+    }
+    Refresh();
+} // end of wxMenuBar::SetLabelTop
 
 
-bool wxMenuBar::OnDelete(wxMenu *a_menu, int pos)
+wxString wxMenuBar::GetLabelTop(
+  size_t                            nPos
+) const
 {
 {
-    // TODO
-    return FALSE;
-}
+    wxCHECK_MSG( nPos < GetMenuCount(), wxEmptyString,
+                 wxT("invalid menu index in wxMenuBar::GetLabelTop") );
+    return m_titles[nPos];
+} // end of wxMenuBar::GetLabelTop
 
 
-bool wxMenuBar::OnAppend(wxMenu *a_menu, const char *title)
-{
-    // TODO
-    return FALSE;
-}
+// ---------------------------------------------------------------------------
+// wxMenuBar construction
+// ---------------------------------------------------------------------------
 
 
-void wxMenuBar::Append (wxMenu * menu, const wxString& title)
+wxMenu* wxMenuBar::Replace(
+  size_t                             nPos
+, wxMenu*                            pMenu
+, const wxString&                    rTitle
+)
 {
 {
-    if (!OnAppend(menu, title))
-        return;
+    SHORT                            nId;
+    wxMenu*                          pMenuOld = wxMenuBarBase::Replace( nPos
+                                                                       ,pMenu
+                                                                       ,rTitle
+                                                                      );
 
 
-    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)
+    nId = SHORT1FROMMR(::WinSendMsg((HWND)m_hMenu, MM_ITEMIDFROMPOSITION, MPFROMSHORT(nPos), (MPARAM)0));
+    if (nId == MIT_ERROR)
     {
     {
-        delete[]m_menus;
-        delete[]m_titles;
+        wxLogLastError("LogLastError");
+        return NULL;
     }
     }
-    m_menus = new_menus;
-    m_titles = new_titles;
+    if (!pMenuOld)
+        return FALSE;
+    m_titles[nPos] = rTitle;
+    if (IsAttached())
+    {
+        ::WinSendMsg((HWND)m_hMenu, MM_DELETEITEM, MPFROM2SHORT(nId, TRUE), (MPARAM)0);
+        ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)rTitle.c_str());
 
 
-    m_menus[m_menuCount - 1] = (wxMenu *)menu;
-    m_titles[m_menuCount - 1] = title;
+#if wxUSE_ACCEL
+        if (pMenuOld->HasAccels() || pMenu->HasAccels())
+        {
+            //
+            // Need to rebuild accell table
+            //
+            RebuildAccelTable();
+        }
+#endif // wxUSE_ACCEL
+        Refresh();
+    }
+    return pMenuOld;
+} // end of wxMenuBar::Replace
+
+bool wxMenuBar::Insert(
+  size_t                            nPos
+, wxMenu*                           pMenu
+, const wxString&                   rTitle
+)
+{
+    if (!wxMenuBarBase::Insert( nPos
+                               ,pMenu
+                               ,rTitle
+                              ))
+        return FALSE;
 
 
-    // TODO
-}
+    m_titles.Insert( rTitle
+                    ,nPos
+                   );
 
 
-void wxMenuBar::Delete(wxMenu * menu, int i)
-{
-    int j;
-    int ii = (int) i;
+    pMenu->Attach(this);
 
 
-    if (menu != 0)
+    if (IsAttached())
     {
     {
-           for (ii = 0; ii < m_menuCount; ii++)
+        ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)rTitle.c_str());
+#if wxUSE_ACCEL
+        if (pMenu->HasAccels())
         {
         {
-            if (m_menus[ii] == menu)
-            break;
-           }
-        if (ii >= m_menuCount)
-            return;
-    } else
-    {
-        if (ii < 0 || ii >= m_menuCount)
-            return;
-        menu = m_menus[ii];
+            // need to rebuild accell table
+            RebuildAccelTable();
+        }
+#endif // wxUSE_ACCEL
+        Refresh();
     }
     }
+    return TRUE;
+} // end of wxMenuBar::Insert
 
 
-    if (!OnDelete(menu, ii))
-        return;
+bool wxMenuBar::Append(
+  wxMenu*                           pMenu
+, const wxString&                   rTitle
+)
+{
+    WXHMENU                         hSubmenu = pMenu ? pMenu->GetHMenu() : 0;
 
 
-    menu->SetParent(NULL);
+    wxCHECK_MSG(hSubmenu, FALSE, wxT("can't append invalid menu to menubar"));
 
 
-    -- m_menuCount;
-    for (j = ii; j < m_menuCount; j++)
+    if (!wxMenuBarBase::Append(pMenu, rTitle))
+        return FALSE;
+
+    pMenu->Attach(this);
+    m_titles.Add(rTitle);
+
+    if ( IsAttached() )
     {
     {
-        m_menus[j] = m_menus[j + 1];
-        m_titles[j] = m_titles[j + 1];
+        pMenu->m_vMenuData.iPosition = MIT_END;
+        ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)rTitle.c_str());
+#if wxUSE_ACCEL
+        if (pMenu->HasAccels())
+        {
+            //
+            // Need to rebuild accell table
+            //
+            RebuildAccelTable();
+        }
+#endif // wxUSE_ACCEL
+        Refresh();
     }
     }
-}
+    return TRUE;
+} // end of wxMenuBar::Append
 
 
-// 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
+wxMenu* wxMenuBar::Remove(
+  size_t                            nPos
+)
 {
 {
-    char buf1[200];
-    char buf2[200];
-    wxStripMenuCodes ((char *)(const char *)menuString, buf1);
-    int i;
-    for (i = 0; i < m_menuCount; i++)
+    wxMenu*                         pMenu = wxMenuBarBase::Remove(nPos);
+    SHORT                           nId;
+
+    if (!pMenu)
+        return NULL;
+
+    nId = SHORT1FROMMR(::WinSendMsg((HWND)GetHmenu(), MM_ITEMIDFROMPOSITION, MPFROMSHORT(nPos), (MPARAM)0));
+    if (nId == MIT_ERROR)
     {
     {
-        wxStripMenuCodes ((char *)(const char *)m_titles[i], buf2);
-        if (strcmp (buf1, buf2) == 0)
-            return m_menus[i]->FindItem (itemString);
+        wxLogLastError("LogLastError");
+        return NULL;
     }
     }
-    return -1;
-}
+    if (IsAttached())
+    {
+        ::WinSendMsg((HWND)GetHmenu(), MM_DELETEITEM, MPFROM2SHORT(nId, TRUE), (MPARAM)0);
+        pMenu->Detach();
 
 
-wxMenuItem *wxMenuBar::FindItemForId (int Id, wxMenu ** itemMenu) const
-{
-    if (itemMenu)
-        *itemMenu = NULL;
+#if wxUSE_ACCEL
+        if (pMenu->HasAccels())
+        {
+            //
+            // Need to rebuild accell table
+            //
+            RebuildAccelTable();
+        }
+#endif // wxUSE_ACCEL
+        Refresh();
+    }
+    m_titles.Remove(nPos);
+    return pMenu;
+} // end of wxMenuBar::Remove
 
 
-    wxMenuItem *item = NULL;
-    int i;
-    for (i = 0; i < m_menuCount; i++)
-        if ((item = m_menus[i]->FindItemForId (Id, itemMenu)))
-            return item;
-    return NULL;
-}
+#if wxUSE_ACCEL
 
 
-void wxMenuBar::SetHelpString (int Id, const wxString& helpString)
+void wxMenuBar::RebuildAccelTable()
 {
 {
-    int i;
-    for (i = 0; i < m_menuCount; i++)
+    //
+    // Merge the accelerators of all menus into one accel table
+    //
+    size_t                          nAccelCount = 0;
+    size_t                          i;
+    size_t                          nCount = GetMenuCount();
+
+    for (i = 0; i < nCount; i++)
+    {
+        nAccelCount += m_menus[i]->GetAccelCount();
+    }
+
+    if (nAccelCount)
     {
     {
-        if (m_menus[i]->FindItemForId (Id))
+        wxAcceleratorEntry*         pAccelEntries = new wxAcceleratorEntry[nAccelCount];
+
+        nAccelCount = 0;
+        for (i = 0; i < nCount; i++)
         {
         {
-            m_menus[i]->SetHelpString (Id, helpString);
-            return;
+            nAccelCount += m_menus[i]->CopyAccels(&pAccelEntries[nAccelCount]);
         }
         }
+        m_vAccelTable = wxAcceleratorTable( nAccelCount
+                                           ,pAccelEntries
+                                          );
+        delete [] pAccelEntries;
     }
     }
-}
+} // end of wxMenuBar::RebuildAccelTable
+
+#endif // wxUSE_ACCEL
 
 
-wxString wxMenuBar::GetHelpString (int Id) const
+void wxMenuBar::Attach(
+  wxFrame*                          pFrame
+)
 {
 {
-    int i;
-    for (i = 0; i < m_menuCount; i++)
+    wxASSERT_MSG( !IsAttached(), wxT("menubar already attached!") );
+    m_pMenuBarFrame = pFrame;
+
+#if wxUSE_ACCEL
+    RebuildAccelTable();
+#endif // wxUSE_ACCEL
+} // end of wxMenuBar::Attach
+
+void wxMenuBar::Detach()
+{
+    ::WinDestroyWindow((HWND)m_hMenu);
+    m_hMenu = (WXHMENU)NULL;
+    m_pMenuBarFrame = NULL;
+} // end of wxMenuBar::Detach
+
+// ---------------------------------------------------------------------------
+// wxMenuBar searching for menu items
+// ---------------------------------------------------------------------------
+
+//
+// Find the itemString in menuString, and return the item id or wxNOT_FOUND
+//
+int wxMenuBar::FindMenuItem(
+  const wxString&                   rMenuString
+, const wxString&                   rItemString
+) const
+{
+    wxString                        sMenuLabel = wxStripMenuCodes(rMenuString);
+    size_t                          nCount = GetMenuCount();
+
+    for (size_t i = 0; i < nCount; i++)
     {
     {
-        if (m_menus[i]->FindItemForId (Id))
-            return wxString(m_menus[i]->GetHelpString (Id));
+        wxString                    sTitle = wxStripMenuCodes(m_titles[i]);
+
+        if (rMenuString == sTitle)
+            return m_menus[i]->FindItem(rItemString);
     }
     }
-    return wxString("");
-}
+    return wxNOT_FOUND;
+} // end of wxMenuBar::FindMenuItem
+
+wxMenuItem* wxMenuBar::FindItem(
+  int                               nId
+, wxMenu**                          ppItemMenu
+) const
+{
+    if (ppItemMenu)
+        *ppItemMenu = NULL;
 
 
+    wxMenuItem*                     pItem = NULL;
+    size_t                          nCount = GetMenuCount();
+
+    for (size_t i = 0; !pItem && (i < nCount); i++)
+    {
+        pItem = m_menus[i]->FindItem( nId
+                                     ,ppItemMenu
+                                    );
+    }
+    return pItem;
+} // end of wxMenuBar::FindItem
 
 
wxWidgets (Impactor)