]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/menu.cpp
When used from wxHtmlListBox it's possible for GetWindow to return NULL.
[wxWidgets.git] / src / os2 / menu.cpp
index 186744bf97d9a5596318a914fe632cd0701a884f..3dbbbb16ecd06cdf86728689c07ef690fe187252 100644 (file)
@@ -52,11 +52,7 @@ static const int                    idMenuTitle = -2;
 //
 // The unique ID for Menus
 //
-#ifdef __VISAGECPP__
 USHORT                              wxMenu::m_nextMenuId = 0;
-#else
-static USHORT                       wxMenu::m_nextMenuId = 0;
-#endif
 
 // ----------------------------------------------------------------------------
 // macros
@@ -69,39 +65,42 @@ static USHORT                       wxMenu::m_nextMenuId = 0;
 // static function for translating menu labels
 // ----------------------------------------------------------------------------
 
-static wxString TextToLabel(const wxString& rTitle)
+static wxString TextToLabel(
+  const wxString&                   rsTitle
+)
 {
-    wxString Title;
-    const wxChar *pc;
-    for (pc = rTitle; *pc != wxT('\0'); pc++ )
+    wxString                        sTitle = "";
+    const wxChar*                   zPc;
+
+    if (rsTitle.IsEmpty())
+        return sTitle;
+    for (zPc = rsTitle.c_str(); *zPc != wxT('\0'); zPc++ )
     {
-        if (*pc == wxT('&') )
+        if (*zPc == wxT('&') )
         {
-            if (*(pc+1) == wxT('&'))
+            if (*(zPc + 1) == wxT('&'))
             {
-                pc++;
-                Title << wxT('&');
+                zPc++;
+                sTitle << wxT('&');
             }
             else
-                Title << wxT('~');
+                sTitle << wxT('~');
         }
-//         else if (*pc == wxT('/'))
-//         {
-//             Title << wxT('\\');
-//         }
         else
         {
-            if ( *pc == wxT('~') )
+            if ( *zPc == wxT('~') )
             {
-                // tildes must be doubled to prevent them from being
+                //
+                // Tildes must be doubled to prevent them from being
                 // interpreted as accelerator character prefix by PM ???
-                Title << *pc;
+                //
+                sTitle << *zPc;
             }
-            Title << *pc;
+            sTitle << *zPc;
         }
     }
-    return Title;
-}
+    return sTitle;
+} // end of TextToLabel
 
 // ============================================================================
 // implementation
@@ -117,6 +116,7 @@ static wxString TextToLabel(const wxString& rTitle)
 void wxMenu::Init()
 {
     m_bDoBreak = FALSE;
+    m_nStartRadioGroup = -1;
 
     //
     // Create the menu (to be used as a submenu or a popup)
@@ -152,6 +152,8 @@ void wxMenu::Init()
     {
         Append( idMenuTitle
                ,m_title
+               ,wxEmptyString
+               ,wxITEM_NORMAL
               );
         AppendSeparator();
     }
@@ -178,9 +180,7 @@ wxMenu::~wxMenu()
     //
     // Delete accels
     //
-#if (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
     WX_CLEAR_ARRAY(m_vAccels);
-#endif
 #endif // wxUSE_ACCEL
 } // end of wxMenu::~wxMenu
 
@@ -190,6 +190,14 @@ void wxMenu::Break()
     m_bDoBreak = TRUE;
 } // end of wxMenu::Break
 
+void wxMenu::Attach(
+  wxMenuBarBase*                    pMenubar
+)
+{
+    wxMenuBase::Attach(pMenubar);
+    EndRadioGroup();
+} // end of wxMenu::Break;
+
 #if wxUSE_ACCEL
 
 int wxMenu::FindAccel(
@@ -200,10 +208,8 @@ int wxMenu::FindAccel(
     size_t                          nCount = m_vAccels.GetCount();
 
     for (n = 0; n < nCount; n++)
-    {
         if (m_vAccels[n]->m_command == nId)
             return n;
-    }
     return wxNOT_FOUND;
 } // end of wxMenu::FindAccel
 
@@ -211,45 +217,58 @@ void wxMenu::UpdateAccel(
   wxMenuItem*                       pItem
 )
 {
-    //
-    // Find the (new) accel for this item
-    //
-    wxAcceleratorEntry*             pAccel = wxGetAccelFromString(pItem->GetText());
-
-    if (pAccel)
-        pAccel->m_command = pItem->GetId();
-
-    //
-    // Find the old one
-    //
-    int                             n = FindAccel(pItem->GetId());
+    if (pItem->IsSubMenu())
+    {
+        wxMenu*                     pSubmenu = pItem->GetSubMenu();
+        wxMenuItemList::Node*       pNode = pSubmenu->GetMenuItems().GetFirst();
 
-    if (n == wxNOT_FOUND)
+        while (pNode)
+        {
+            UpdateAccel(pNode->GetData());
+            pNode = pNode->GetNext();
+        }
+    }
+    else if (!pItem->IsSeparator())
     {
         //
-        // No old, add new if any
+        // Find the (new) accel for this item
         //
+        wxAcceleratorEntry*         pAccel = wxGetAccelFromString(pItem->GetText());
+
         if (pAccel)
-            m_vAccels.Add(pAccel);
-        else
-            return;     // skipping RebuildAccelTable() below
-    }
-    else
-    {
+            pAccel->m_command = pItem->GetId();
+
         //
-        // Replace old with new or just remove the old one if no new
+        // Find the old one
         //
-        delete                      m_vAccels[n];
+        size_t                      n = FindAccel(pItem->GetId());
 
-        if (pAccel)
-            m_vAccels[n] = pAccel;
+        if (n == wxNOT_FOUND)
+        {
+            //
+            // No old, add new if any
+            //
+            if (pAccel)
+                m_vAccels.Add(pAccel);
+            else
+                return;
+        }
         else
-            m_vAccels.RemoveAt(n);
-    }
+        {
+            //
+            // 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.RemoveAt(n);
+        }
 
-    if (IsAttached())
-    {
-        m_menuBar->RebuildAccelTable();
+        if (IsAttached())
+        {
+            m_menuBar->RebuildAccelTable();
+        }
     }
 } // wxMenu::UpdateAccel
 
@@ -263,28 +282,18 @@ bool wxMenu::DoInsertOrAppend(
 , size_t                            nPos
 )
 {
+    wxMenu*                         pSubmenu = pItem->GetSubMenu();
+    MENUITEM&                       rItem = (pSubmenu != NULL)?pSubmenu->m_vMenuData:
+                                            pItem->m_vMenuData;
+
     ERRORID                         vError;
     wxString                        sError;
     char                            zMsg[128];
+
 #if wxUSE_ACCEL
     UpdateAccel(pItem);
 #endif // wxUSE_ACCEL
 
-    //
-    // rItem is the member MENUITEM for the  menu items and the submenu's
-    // MENUITEM for submenus as required by ::MM_INSERTITEM message API
-    //
-
-    wxMenu*                         pSubmenu = pItem->GetSubMenu();
-    MENUITEM&                       rItem = (pSubmenu != NULL)?pSubmenu->m_vMenuData:
-                                            pItem->m_vMenuData;
-    if(pSubmenu != NULL)
-    {
-        wxASSERT_MSG(pSubmenu->GetHMenu(), wxT("invalid submenu"));
-        pSubmenu->SetParent(this);
-        rItem.afStyle |= MIS_SUBMENU | MIS_TEXT;
-    }
-
     //
     // If "Break" has just been called, insert a menu break before this item
     // (and don't forget to reset the flag)
@@ -311,8 +320,8 @@ bool wxMenu::DoInsertOrAppend(
         pSubmenu->SetParent(this);
 
         rItem.iPosition = 0; // submenus have a 0 position
-        rItem.id = (USHORT)pSubmenu->GetHMenu();
-        rItem.afStyle |= MIS_SUBMENU | MIS_TEXT;
+        rItem.id        = (USHORT)pSubmenu->GetHMenu();
+        rItem.afStyle  |= MIS_SUBMENU | MIS_TEXT;
     }
     else
     {
@@ -329,11 +338,11 @@ bool wxMenu::DoInsertOrAppend(
         // item draws itself, passing pointer to data doesn't work in OS/2
         // Will eventually need to set the image handle somewhere into vItem.hItem
         //
-        rItem.afStyle |= MIS_OWNERDRAW;
-        pData = (BYTE*)NULL;
-        rItem.hItem = (HBITMAP)pItem->GetBitmap().GetHBITMAP();
+        rItem.afStyle             |= MIS_OWNERDRAW;
+        pData                      = (BYTE*)NULL;
+        rItem.hItem                = (HBITMAP)pItem->GetBitmap().GetHBITMAP();
         pItem->m_vMenuData.afStyle = rItem.afStyle;
-        pItem->m_vMenuData.hItem = rItem.hItem;
+        pItem->m_vMenuData.hItem   = rItem.hItem;
     }
     else
 #endif
@@ -380,7 +389,7 @@ bool wxMenu::DoInsertOrAppend(
     {
         vError = ::WinGetLastError(vHabmain);
         sError = wxPMErrorToStr(vError);
-        wxLogError("Error inserting or appending a menuitem. Error: %s\n", sError);
+        wxLogError("Error inserting or appending a menuitem. Error: %s\n", sError.c_str());
         wxLogLastError("Insert or AppendMenu");
         return FALSE;
     }
@@ -398,12 +407,81 @@ bool wxMenu::DoInsertOrAppend(
     return FALSE;
 } // end of wxMenu::DoInsertOrAppend
 
+void wxMenu::EndRadioGroup()
+{
+    //
+    // We're not inside a radio group any longer
+    //
+    m_nStartRadioGroup = -1;
+} // end of wxMenu::EndRadioGroup
+
 bool wxMenu::DoAppend(
   wxMenuItem*                       pItem
 )
 {
-    return wxMenuBase::DoAppend(pItem) && DoInsertOrAppend(pItem);
-}
+    wxCHECK_MSG( pItem, FALSE, _T("NULL item in wxMenu::DoAppend") );
+
+    bool                            bCheck = FALSE;
+
+    if (pItem->GetKind() == wxITEM_RADIO)
+    {
+        int                         nCount = GetMenuItemCount();
+
+        if (m_nStartRadioGroup == -1)
+        {
+            //
+            // Start a new radio group
+            //
+            m_nStartRadioGroup = nCount;
+
+            //
+            // For now it has just one element
+            //
+            pItem->SetAsRadioGroupStart();
+            pItem->SetRadioGroupEnd(m_nStartRadioGroup);
+
+            //
+            // Ensure that we have a checked item in the radio group
+            //
+            bCheck = TRUE;
+        }
+        else // extend the current radio group
+        {
+            //
+            // We need to update its end item
+            //
+            pItem->SetRadioGroupStart(m_nStartRadioGroup);
+
+            wxMenuItemList::Node*   pNode = GetMenuItems().Item(m_nStartRadioGroup);
+
+            if (pNode)
+            {
+                pNode->GetData()->SetRadioGroupEnd(nCount);
+            }
+            else
+            {
+                wxFAIL_MSG( _T("where is the radio group start item?") );
+            }
+        }
+    }
+    else // not a radio item
+    {
+        EndRadioGroup();
+    }
+
+    if (!wxMenuBase::DoAppend(pItem) || !DoInsertOrAppend(pItem))
+    {
+        return FALSE;
+    }
+    if (bCheck)
+    {
+        //
+        // Check the item initially
+        //
+        pItem->Check(TRUE);
+    }
+    return TRUE;
+} // end of wxMenu::DoAppend
 
 bool wxMenu::DoInsert(
   size_t                            nPos
@@ -414,7 +492,8 @@ bool wxMenu::DoInsert(
                                   ,pItem) &&
              DoInsertOrAppend( pItem
                               ,nPos
-                             ));
+                             )
+           );
 } // end of wxMenu::DoInsert
 
 wxMenuItem* wxMenu::DoRemove(
@@ -609,7 +688,12 @@ wxMenuItem* wxMenu::FindItem(
         }
         else if ( pItem->IsSubMenu() )
         {
-            pItem = pItem->GetSubMenu()->FindItem(nItemId, hItem, ppItemMenu);
+            pItem = pItem->GetSubMenu()->FindItem( nItemId
+                                                  ,hItem
+                                                  ,ppItemMenu
+                                                 );
+            if (pItem)
+                break;
         }
         else
         {
@@ -627,7 +711,7 @@ wxMenuItem* wxMenu::FindItem(
 void wxMenuBar::Init()
 {
     m_eventHandler = this;
-    m_pMenuBarFrame = NULL;
+    m_menuBarFrame = NULL;
     m_hMenu = 0;
 } // end of wxMenuBar::Init
 
@@ -662,6 +746,15 @@ wxMenuBar::wxMenuBar(
 
 wxMenuBar::~wxMenuBar()
 {
+    //
+    // We should free PM's resources only if PM doesn't do it for us
+    // which happens if we're attached to a frame
+    //
+    if (m_hMenu && !IsAttached())
+    {
+        ::WinDestroyWindow((HMENU)m_hMenu);
+        m_hMenu = (WXHMENU)NULL;
+    }
 } // end of wxMenuBar::~wxMenuBar
 
 // ---------------------------------------------------------------------------
@@ -672,7 +765,7 @@ void wxMenuBar::Refresh()
 {
     wxCHECK_RET( IsAttached(), wxT("can't refresh unatteched menubar") );
 
-    WinSendMsg(GetWinHwnd(m_pMenuBarFrame), WM_UPDATEFRAME, (MPARAM)FCF_MENU, (MPARAM)0);
+    WinSendMsg(GetWinHwnd(m_menuBarFrame), WM_UPDATEFRAME, (MPARAM)FCF_MENU, (MPARAM)0);
 } // end of wxMenuBar::Refresh
 
 WXHMENU wxMenuBar::Create()
@@ -688,8 +781,8 @@ WXHMENU wxMenuBar::Create()
     //
     // Menubars should be associated with a frame otherwise they are popups
     //
-    if (m_pMenuBarFrame != NULL)
-        hFrame = GetWinHwnd(m_pMenuBarFrame);
+    if (m_menuBarFrame != NULL)
+        hFrame = GetWinHwnd(m_menuBarFrame);
     else
         hFrame = HWND_DESKTOP;
     //
@@ -731,7 +824,7 @@ WXHMENU wxMenuBar::Create()
             {
                 vError = ::WinGetLastError(vHabmain);
                 sError = wxPMErrorToStr(vError);
-                wxLogError("Error setting parent for submenu. Error: %s\n", sError);
+                wxLogError("Error setting parent for submenu. Error: %s\n", sError.c_str());
                 return NULLHANDLE;
             }
 
@@ -739,7 +832,7 @@ WXHMENU wxMenuBar::Create()
             {
                 vError = ::WinGetLastError(vHabmain);
                 sError = wxPMErrorToStr(vError);
-                wxLogError("Error setting parent for submenu. Error: %s\n", sError);
+                wxLogError("Error setting parent for submenu. Error: %s\n", sError.c_str());
                 return NULLHANDLE;
             }
 
@@ -750,7 +843,7 @@ WXHMENU wxMenuBar::Create()
             {
                 vError = ::WinGetLastError(vHabmain);
                 sError = wxPMErrorToStr(vError);
-                wxLogError("Error inserting or appending a menuitem. Error: %s\n", sError);
+                wxLogError("Error inserting or appending a menuitem. Error: %s\n", sError.c_str());
                 return NULLHANDLE;
             }
         }
@@ -847,10 +940,10 @@ wxMenu* wxMenuBar::Replace(
 )
 {
     SHORT                            nId;
-    wxString                         Title = TextToLabel(rTitle);
+    wxString                         sTitle = TextToLabel(rTitle);
     wxMenu*                          pMenuOld = wxMenuBarBase::Replace( nPos
                                                                        ,pMenu
-                                                                       ,Title
+                                                                       ,sTitle
                                                                       );
 
 
@@ -861,12 +954,12 @@ wxMenu* wxMenuBar::Replace(
         return NULL;
     }
     if (!pMenuOld)
-        return FALSE;
-    m_titles[nPos] = Title;
+        return NULL;
+    m_titles[nPos] = sTitle;
     if (IsAttached())
     {
         ::WinSendMsg((HWND)m_hMenu, MM_REMOVEITEM, MPFROM2SHORT(nId, TRUE), (MPARAM)0);
-        ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)Title.c_str());
+        ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)sTitle.c_str());
 
 #if wxUSE_ACCEL
         if (pMenuOld->HasAccels() || pMenu->HasAccels())
@@ -888,22 +981,26 @@ bool wxMenuBar::Insert(
 , const wxString&                   rTitle
 )
 {
-    wxString Title = TextToLabel(rTitle);
+    wxString                        sTitle = TextToLabel(rTitle);
+
     if (!wxMenuBarBase::Insert( nPos
                                ,pMenu
-                               ,Title
+                               ,sTitle
                               ))
         return FALSE;
 
-    m_titles.Insert( Title
+    m_titles.Insert( sTitle
                     ,nPos
                    );
 
-    pMenu->Attach(this);
-
     if (IsAttached())
     {
-        ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)Title.c_str());
+        pMenu->m_vMenuData.iPosition = nPos;
+        ::WinSendMsg( (HWND)m_hMenu
+                     ,MM_INSERTITEM
+                     ,(MPARAM)&pMenu->m_vMenuData
+                     ,(MPARAM)sTitle.c_str()
+                    );
 #if wxUSE_ACCEL
         if (pMenu->HasAccels())
         {
@@ -918,24 +1015,24 @@ bool wxMenuBar::Insert(
 
 bool wxMenuBar::Append(
   wxMenu*                           pMenu
-, const wxString&                   rTitle
+, const wxString&                   rsTitle
 )
 {
     WXHMENU                         hSubmenu = pMenu ? pMenu->GetHMenu() : 0;
 
     wxCHECK_MSG(hSubmenu, FALSE, wxT("can't append invalid menu to menubar"));
 
-    wxString Title = TextToLabel(rTitle);
-    if (!wxMenuBarBase::Append(pMenu, Title))
+    wxString                        sTitle = TextToLabel(rsTitle);
+
+    if (!wxMenuBarBase::Append(pMenu, sTitle))
         return FALSE;
 
-    pMenu->Attach(this);
-    m_titles.Add(Title);
+    m_titles.Add(sTitle);
 
     if ( IsAttached() )
     {
         pMenu->m_vMenuData.iPosition = MIT_END;
-        ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)Title.c_str());
+        ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)sTitle.c_str());
 #if wxUSE_ACCEL
         if (pMenu->HasAccels())
         {
@@ -960,7 +1057,11 @@ wxMenu* wxMenuBar::Remove(
     if (!pMenu)
         return NULL;
 
-    nId = SHORT1FROMMR(::WinSendMsg((HWND)GetHmenu(), MM_ITEMIDFROMPOSITION, MPFROMSHORT(nPos), (MPARAM)0));
+    nId = SHORT1FROMMR(::WinSendMsg( (HWND)GetHmenu()
+                                    ,MM_ITEMIDFROMPOSITION
+                                    ,MPFROMSHORT(nPos)
+                                    ,(MPARAM)0)
+                                   );
     if (nId == MIT_ERROR)
     {
         wxLogLastError("LogLastError");
@@ -968,8 +1069,11 @@ wxMenu* wxMenuBar::Remove(
     }
     if (IsAttached())
     {
-        ::WinSendMsg((HWND)GetHmenu(), MM_REMOVEITEM, MPFROM2SHORT(nId, TRUE), (MPARAM)0);
-        pMenu->Detach();
+        ::WinSendMsg( (HWND)GetHmenu()
+                     ,MM_REMOVEITEM
+                     ,MPFROM2SHORT(nId, TRUE)
+                     ,(MPARAM)0
+                    );
 
 #if wxUSE_ACCEL
         if (pMenu->HasAccels())
@@ -1024,8 +1128,7 @@ void wxMenuBar::Attach(
   wxFrame*                          pFrame
 )
 {
-    wxASSERT_MSG( !IsAttached(), wxT("menubar already attached!") );
-    m_pMenuBarFrame = pFrame;
+    wxMenuBarBase::Attach(pFrame);
 
 #if wxUSE_ACCEL
     RebuildAccelTable();
@@ -1033,8 +1136,8 @@ void wxMenuBar::Attach(
     // Ensure the accelerator table is set to the frame (not the client!)
     //
     if (!::WinSetAccelTable( vHabmain
-                            ,(HWND)pFrame->GetHWND()
                             ,m_vAccelTable.GetHACCEL()
+                            ,(HWND)pFrame->GetFrame()
                            ))
         wxLogLastError("WinSetAccelTable");
 #endif // wxUSE_ACCEL
@@ -1044,7 +1147,7 @@ void wxMenuBar::Detach()
 {
     ::WinDestroyWindow((HWND)m_hMenu);
     m_hMenu = (WXHMENU)NULL;
-    m_pMenuBarFrame = NULL;
+    m_menuBarFrame = NULL;
 } // end of wxMenuBar::Detach
 
 // ---------------------------------------------------------------------------