C++ GetMenuItemCount函数代码示例

wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item)
{
    if (m_menuWidget)
    {
        // this is a dynamic Append
#ifndef XmNpositionIndex
    wxCHECK_MSG( pos == GetMenuItemCount(), -1, wxT("insert not implemented"));
#endif
        item->CreateItem(m_menuWidget, GetMenuBar(), m_topLevelMenu, pos);
    }

    if ( item->IsSubMenu() )
    {
        item->GetSubMenu()->m_topLevelMenu = m_topLevelMenu;
    }

    return pos == GetMenuItemCount() ? wxMenuBase::DoAppend(item) :
                                       wxMenuBase::DoInsert(pos, item);
}

int RecursiveDeleteMenu(HMENU hMenu)
{
	int cnt = GetMenuItemCount(hMenu);
	for (int i = 0; i < cnt; i++) {
		HMENU submenu = GetSubMenu(hMenu, 0);
		if (submenu) DestroyMenu(submenu);
		DeleteMenu(hMenu, 0, MF_BYPOSITION);
	}
	return 0;
}

HMENU GetSubMenuByChildID(HMENU menu, UINT id) {
  int i, j, items, subitems, cur_id;
  HMENU m;

  items = GetMenuItemCount(menu);

  for (i=0; i<items; i++) {
    if (m = GetSubMenu(menu, i)) {
      subitems = GetMenuItemCount(m);
      for (j=0; j<subitems; j++) {
        cur_id = GetMenuItemID(m, j);
	if (cur_id == id) {
	  return m;
	}
      }
    }
  }
  return NULL;
}

// function appends a new item or submenu to the menu
// append a new item or submenu to the menu
bool wxMenu::DoInsertOrAppend(wxMenuItem *item, size_t pos)
{
    wxASSERT_MSG( item != NULL, wxT("can't append NULL item to the menu") );
    GetPeer()->InsertOrAppend( item, pos );

    wxMenu *pSubMenu = item->GetSubMenu() ;
    if ( pSubMenu != NULL )
    {
        wxASSERT_MSG( pSubMenu->GetHMenu() != NULL , wxT("invalid submenu added"));
        pSubMenu->m_menuParent = this ;

        pSubMenu->DoRearrange();
    }
    else if ( item->GetId() == idMenuTitle )
    {
        item->GetMenu()->Enable( idMenuTitle, false );
    }

    if ( pos == (size_t)-1 )
    {
        pos = GetMenuItemCount() - 1;
    }

    // Update radio groups if we're inserting a new menu item.
    // Inserting radio and non-radio item has a different impact
    // on radio groups, so we have to handle each case separately.
    // (Inserting a radio item in the middle of existing groups extends this group,
    // but inserting a non-radio item breaks it into two subgroups.)
    bool check = false;
    if ( item->IsRadio() )
    {
        if ( !m_radioData )
            m_radioData = new wxMenuRadioItemsData;

        if ( m_radioData->UpdateOnInsertRadio(pos) )
            check = true; // ensure that we have a checked item in the radio group
    }
    else if ( m_radioData )
    {
        if ( m_radioData->UpdateOnInsertNonRadio(pos) )
        {
            // One of the existing groups has been split into two subgroups.
            wxFAIL_MSG(wxS("Inserting non-radio item inside a radio group?"));
        }
    }

    // if we're already attached to the menubar, we must update it
    if ( IsAttached() && GetMenuBar()->IsAttached() )
        GetMenuBar()->Refresh();

    if ( check )
        item->Check(true);

    return true ;
}

static void add_user_menu_items(HMENU menu)
{
    MENUITEMINFO mii;
    memset(&mii, 0, sizeof(MENUITEMINFO));
    mii.type = MFT_SEPARATOR;
    InsertMenuItem(menu, GetMenuItemCount(menu), TRUE, &mii);
#if 1
    memset(&mii, 0, sizeof(MENUITEMINFO));
    mii.type = MFT_STRING;
    mii.hsubmenu = 0;
    mii.id = IDM_POP_NEW_TAB;
    mii.state = MFS_ENABLED;
    mii.cch = strlen("New Tab");
    mii.typedata = (DWORD)"New Tab";
    InsertMenuItem(menu, GetMenuItemCount(menu), TRUE, &mii);
#endif
    memset(&mii, 0, sizeof(MENUITEMINFO));
    mii.type = MFT_STRING;
    mii.hsubmenu = 0;
    mii.id =  IDM_POP_SAVE_AS;
    mii.state = MFS_ENABLED;
    mii.cch = strlen("Save As...");
    mii.typedata = (DWORD)"Save As...";
    InsertMenuItem(menu, GetMenuItemCount(menu), TRUE, &mii);
    
    memset(&mii, 0, sizeof(MENUITEMINFO));
    mii.type = MFT_STRING;
    mii.hsubmenu = 0;
    mii.id = IDM_POP_CLOSE_TAB;
    
    int count = SendMessage(propsheet_hwnd, PSM_GETPAGECOUNT, 0, 0);
    if (count >1) {
        mii.state &= ~MFS_DISABLED;
        mii.state |= MFS_ENABLED;
    } else {
        mii.state &= ~MFS_ENABLED;
        mii.state |= MFS_DISABLED;
    }
    mii.cch = strlen("Close Tab");
    mii.typedata = (DWORD)"Close Tab";
    InsertMenuItem(menu, GetMenuItemCount(menu), TRUE, &mii);
}

//*********************************************************************************************************
void CBCGPBaseFilterPopupMenu::RecalcLayout(BOOL bNotify /* = TRUE */)
{
	CBCGPPopupMenu::RecalcLayout(bNotify);

	if (m_wndMenuBar.GetSafeHwnd() != NULL)
	{
		m_wndMenuBar.m_arColumns.RemoveAll();
		m_wndMenuBar.AdjustLayout();
	}

	if (m_wndList.GetSafeHwnd() == NULL)
	{
		return;
	}

	const int nShadowSize = CBCGPToolBar::IsCustomizeMode () ? 0 : m_iShadowSize;
	const int nBorderSize = GetBorderSize();

	CRect rectClient;
	GetClientRect(rectClient);

	rectClient.DeflateRect (nBorderSize, nBorderSize);

	if (GetExStyle() & WS_EX_LAYOUTRTL)
	{
		rectClient.left += nShadowSize;
	}
	else
	{
		rectClient.right -= nShadowSize;
	}
	
	rectClient.top += m_nMenuBarHeight;
	rectClient.bottom -= nShadowSize;

#ifndef _BCGSUITE_
	rectClient.left += m_wndMenuBar.GetGutterWidth();
#endif

	if (!m_rectResize.IsRectEmpty())
	{
		if (m_bIsResizeBarOnTop)
		{
			rectClient.top += m_rectResize.Height();
		}
		else
		{
			rectClient.bottom -= m_rectResize.Height();
		}
	}

	m_wndList.SetWindowPos(NULL, rectClient.left, rectClient.top, rectClient.Width(), rectClient.Height(), SWP_NOZORDER | SWP_NOACTIVATE);
	m_wndList.m_bIsEmptyMenu = GetMenuItemCount() == 0;
}

void SWELL_Menu_AddMenuItem(HMENU hMenu, const char *name, int idx, int flags)
{
  MENUITEMINFO mi={sizeof(mi),MIIM_ID|MIIM_STATE|MIIM_TYPE,MFT_STRING,
    (flags)?MFS_GRAYED:0,idx,NULL,NULL,NULL,0,(char *)name};
  if (!name)
  {
    mi.fType = MFT_SEPARATOR;
    mi.fMask&=~(MIIM_STATE|MIIM_ID);
  }
  InsertMenuItem(hMenu,GetMenuItemCount(hMenu),TRUE,&mi);
}

// _flags: &1=marker, &2=region
void FillMarkerRegionMenu(ReaProject* _proj, HMENU _menu, int _msgStart, int _flags, UINT _uiState)
{
	int x=0, lastx=0;
	char desc[SNM_MAX_MARKER_NAME_LEN]="";
	while ((x = EnumMarkerRegionDesc(_proj, x, desc, SNM_MAX_MARKER_NAME_LEN, _flags, true, true, true))) {
		if (*desc) AddToMenu(_menu, desc, _msgStart+lastx, -1, false, _uiState);
		lastx=x;
	}
	if (!GetMenuItemCount(_menu))
		AddToMenu(_menu, __LOCALIZE("(No region!)","sws_menu"), 0, -1, false, MF_GRAYED);
}

void MainWnd::OnContextMenu(CWnd* pWnd, CPoint point) 
{
  winMouseOn();
  if(theApp.skin) {
    if(theApp.popup == NULL) {
      theApp.winAccelMgr.UpdateMenu(theApp.menu);
      theApp.popup = CreatePopupMenu();
      if(theApp.menu != NULL) {
        int count = GetMenuItemCount(theApp.menu);
        OSVERSIONINFO info;
        info.dwOSVersionInfoSize = sizeof(info);
        GetVersionEx(&info);

        if(info.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) {
          for(int i = 0; i < count; i++) {
            char buffer[256];
            MENUITEMINFO info;
            ZeroMemory(&info, sizeof(info));
            info.cbSize = sizeof(info) - sizeof(HBITMAP);
            info.fMask = MIIM_STRING | MIIM_SUBMENU;
            info.dwTypeData = buffer;
            info.cch = 256;
            if(!GetMenuItemInfo(theApp.menu, i, MF_BYPOSITION, &info)) {
            }
            if(!AppendMenu(theApp.popup, MF_POPUP|MF_STRING, (UINT)info.hSubMenu, buffer)) {
            }
          }
        } else {
          for(int i = 0; i < count; i++) {
            wchar_t buffer[256];
            MENUITEMINFOW info;
            ZeroMemory(&info, sizeof(info));
            info.cbSize = sizeof(info) - sizeof(HBITMAP);
            info.fMask = MIIM_STRING | MIIM_SUBMENU;
            info.dwTypeData = buffer;
            info.cch = 256;
            if(!GetMenuItemInfoW(theApp.menu, i, MF_BYPOSITION, &info)) {
            }
            if(!AppendMenuW(theApp.popup, MF_POPUP|MF_STRING, (UINT)info.hSubMenu, buffer)) {
            }
          }
        }
      }
    }
    int x = point.x;
    int y = point.y;
    if(x == -1 && y == -1) {
      x = (theApp.dest.left + theApp.dest.right) / 2;
      y = (theApp.dest.top + theApp.dest.bottom) / 2;
    }
    if(!TrackPopupMenu(theApp.popup, 0, x, y, 0, m_hWnd, NULL)) {
    }
  }
}

/* find index in menu bar; returns -1 if not installed */
static int get_menu_position(HMENU addr)
{
  int n, i;

  if (addr == NULL) return -1;  
  n = GetMenuItemCount(hMainMenu);
  for (i = 0; i < n; i++)
    if (addr == GetSubMenu(hMainMenu, i))
      return(i);
  return(-1);
}

static int mh_additem (lua_State* l) {
menu* m = lua_touserdata(l,1);
if (!m->sub) return 0;
int k = 2, pos = 0;
if (lua_isnumber(l,k)) pos = lua_tointeger(l,k++);
if (pos==0) pos = -1;
else if (pos>0) pos--;
else if (pos<-1) pos += GetMenuItemCount(m->menu);
const char* str = luaL_checkstring(l,k++);
const char* sShortcut = NULL;
if (lua_isstring(l,k)) sShortcut = lua_tostring(l,k++);
else if (lua_isnoneornil(l,k)) k++;
if (!lua_isfunction(l,k)) luaL_typerror(l, k, "function");
void* p = lua_topointer(l,k++);
if (!p) return 0;
const wchar_t* wstr = strcvt(str, CP_UTF8, CP_UTF16, NULL);
int command = addCustomCommand(p) + IDM_CUSTOMCOMMAND;
int kFlags = 0, key=0;
if (parseKeyName(sShortcut, &kFlags, &key)) {
addAccelerator(kFlags, key, command);
const wchar_t* z = mh_buildLabel(wstr, kFlags, key);
if (z!=wstr) {
free(wstr);
wstr = z;
}}
menu it;
it.sub = FALSE;
it.parent = m->menu;
it.origin = m->origin;
it.position = (pos==-1? GetMenuItemCount(m->menu) -1 : pos);
it.command = command;
InsertMenu(m->menu, pos, MF_STRING | MF_BYPOSITION, command, wstr);
DrawMenuBar(win);
free(wstr);
lua_pushlightuserdata(l, command);
lua_pushluafunction(l, p);
lua_rawset(l, LUA_REGISTRYINDEX);
lua_settop(l,0);
lua_pushfulluserdata(l, &it, sizeof(it), "menuhandle");
return 1;
}

unsigned int Win32Popup::findInsertionPoint( unsigned int pos ) const
{
    // For this simple algorithm, we rely on the fact that in the final state
    // of the menu, the ID of each item is equal to its position in the menu
    int i = 0;
    while( i < GetMenuItemCount( m_hMenu ) &&
           GetMenuItemID( m_hMenu, i ) < pos )
    {
        i++;
    }
    return i;
}

int SWSGetMenuPosFromID(HMENU hMenu, UINT id)
{	// Replacement for deprecated windows func GetMenuPosFromID
	MENUITEMINFO mi={sizeof(MENUITEMINFO),};
	mi.fMask = MIIM_ID;
	for (int i = 0; i < GetMenuItemCount(hMenu); i++)
	{
		GetMenuItemInfo(hMenu, i, true, &mi);
		if (mi.wID == id)
			return i;
	}
	return -1;
}

static int EventArea_DrawWorker(HWND hWnd, HDC hDC)
{
	RECT rc;
	HFONT hOldFont;
	GetClientRect(hWnd, &rc);
	if (g_CluiData.fDisableSkinEngine)
		sttDrawEventAreaBackground(hWnd, hDC, &rc);
	else
		SkinDrawGlyph(hDC, &rc, &rc, "Main,ID=EventArea");

	hOldFont = g_clcPainter.ChangeToFont(hDC, NULL, FONTID_EVENTAREA, NULL);
	SetBkMode(hDC, TRANSPARENT);

	int iCount = GetMenuItemCount(g_CluiData.hMenuNotify);
	rc.left += 26;
	if (g_CluiData.hUpdateContact != 0) {
		TCHAR *szName = pcli->pfnGetContactDisplayName(g_CluiData.hUpdateContact, 0);
		int iIcon = cli_GetContactIcon(g_CluiData.hUpdateContact);

		ske_ImageList_DrawEx(g_himlCListClc, iIcon, hDC, rc.left, (rc.bottom + rc.top - GetSystemMetrics(SM_CYSMICON)) / 2, GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), CLR_NONE, CLR_NONE, ILD_NORMAL);
		rc.left += 18;
		ske_DrawText(hDC, szName, -1, &rc, DT_VCENTER | DT_SINGLELINE);
		ske_ImageList_DrawEx(g_himlCListClc, (int)g_CluiData.iIconNotify, hDC, 4, (rc.bottom + rc.top - 16) / 2, 16, 16, CLR_NONE, CLR_NONE, ILD_NORMAL);
	}
	else if (iCount > 0) {
		MENUITEMINFO mii = { 0 };
		struct NotifyMenuItemExData *nmi;
		TCHAR *szName;
		int iIcon;

		mii.cbSize = sizeof(mii);
		mii.fMask = MIIM_DATA;
		GetMenuItemInfo(g_CluiData.hMenuNotify, iCount - 1, TRUE, &mii);
		nmi = (struct NotifyMenuItemExData *) mii.dwItemData;
		szName = pcli->pfnGetContactDisplayName(nmi->hContact, 0);
		iIcon = cli_GetContactIcon(nmi->hContact);
		ske_ImageList_DrawEx(g_himlCListClc, iIcon, hDC, rc.left, (rc.bottom + rc.top - GetSystemMetrics(SM_CYSMICON)) / 2, GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), CLR_NONE, CLR_NONE, ILD_NORMAL);
		rc.left += 18;
		ske_ImageList_DrawEx(g_himlCListClc, nmi->iIcon, hDC, 4, (rc.bottom + rc.top) / 2 - 8, 16, 16, CLR_NONE, CLR_NONE, ILD_NORMAL);
		ske_DrawText(hDC, szName, -1, &rc, DT_VCENTER | DT_SINGLELINE);
	}
	else {
		HICON hIcon = (HICON)LoadImage(GetModuleHandle(NULL), MAKEINTRESOURCE(IDI_BLANK), IMAGE_ICON, 16, 16, 0);
		TCHAR *ptszEvents = TranslateT("No events");
		ske_DrawText(hDC, ptszEvents, (int)mir_tstrlen(ptszEvents), &rc, DT_VCENTER | DT_SINGLELINE);
		ske_DrawIconEx(hDC, 4, (rc.bottom + rc.top - 16) / 2, hIcon, 16, 16, 0, 0, DI_NORMAL | DI_COMPAT);
		DestroyIcon(hIcon);
	}

	ske_ResetTextEffect(hDC);
	SelectObject(hDC, hOldFont);
	return 0;
}

OMenu::~OMenu() {
	if (::IsMenu(m_hMenu)) {
		for (int i = 0; i < GetMenuItemCount(); ++i)
			CheckOwnerDrawn(i, TRUE);
	} else {
		// How can we end up here??? it sure happens sometimes..
		for (OMenuItem::Iter i = items.begin(); i != items.end(); ++i) {
			delete *i;
		}
	}
	//pUnMap();
}