menupage.cpp

一个完整的编辑器的代码（很值得参考

	CBCGMultiDocTemplate* pTemplate = 
			(CBCGMultiDocTemplate*) m_wndMenuesList.GetItemData (iIndex);
	if (pTemplate != NULL)
	{
		ASSERT_VALID (pTemplate);

		pTemplate->GetDocString (m_strMenuDescr, CDocTemplate::regFileTypeName);

		hicon = AfxGetApp ()->LoadIcon (pTemplate->GetResId ());
		if (hicon == NULL)
		{
			hicon = ::LoadIcon(NULL, IDI_APPLICATION);
		}

		hmenu = pTemplate->m_hMenuShared;
	}
	else
	{
		{
			CBCGLocalResource locaRes;
			m_strMenuDescr.LoadString (IDS_BCGBARRES_DEFAULT_MENU_DESCR);
		}

		CWnd* pWndMain = AfxGetMainWnd ();
		if (pWndMain != NULL)
		{
			hicon = (HICON) GetClassLong (*pWndMain, GCL_HICON);
		}

		hmenu = m_pMenuBar->GetDefaultMenu ();
	}

	ASSERT (hmenu != NULL);

	m_pMenuBar->CreateFromMenu (hmenu);
	m_wndIcon.SetIcon (hicon);

	m_hmenuSelected = hmenu;
	UpdateData (FALSE);
}
//***********************************************************************************************
void CBCGMenuPage::OnDestroy() 
{
	UpdateData ();

	CBCGPopupMenu::m_AnimationType = 
		(CBCGPopupMenu::ANIMATION_TYPE) m_iMenuAnimationType;

	if (m_pMenuBar != NULL)
	{
		//------------------------------
		// Save the selected menu state:
		//------------------------------
		if (m_hmenuSelected != NULL)
		{
			m_pMenuBar->OnChangeHot (-1);	// To close and save all popups
			g_menuHash.SaveMenuBar (m_hmenuSelected, m_pMenuBar);
		}

		//--------------------------
		// Restore the current menu:
		//--------------------------
		if (m_hmenuCurr != NULL)
		{
			m_pMenuBar->CreateFromMenu (m_hmenuCurr);
		}
	}

	//------------------------------------
	// Release the context menu resources:
	//------------------------------------
	if (m_pContextMenu != NULL)
	{
		SaveMenu ();
		m_pContextMenu->SendMessage (WM_CLOSE);
	}

	//--------------------------
	// Update shdows appearance:
	//--------------------------
	CBCGMenuBar::EnableMenuShadows (m_bMenuShadows);
	CPropertyPage::OnDestroy();
}
//************************************************************************************************
void CBCGMenuPage::OnSelchangeContextMenuList() 
{
	m_wndResetMenuButton.EnableWindow (FALSE);

	if (g_pContextMenuManager == NULL)
	{
		return;
	}

	//----------------------------------------
	// First, save and close the current menu:
	//----------------------------------------
	if (m_pContextMenu != NULL)
	{
		SaveMenu ();

		CBCGPopupMenu* pMenu = m_pContextMenu;
		m_pContextMenu = NULL;
		pMenu->SendMessage (WM_CLOSE);
	}

	if (m_wndContextMenus.GetCurSel () <= 0)
	{
		//--------------------------------------
		// No is menu selected, nothing to do...
		//--------------------------------------
		return;
	}

	UpdateData ();

	HMENU hMenu = g_pContextMenuManager->GetMenuByName (m_strContextMenuName);

	if (hMenu == NULL)
	{
		MessageBeep ((UINT) -1);
		return;
	}

	HMENU hmenuPopup = ::GetSubMenu (hMenu, 0);
	if (hmenuPopup == NULL)
	{
		ASSERT (FALSE);
		return;
	}

	m_pContextMenu = new CBCGPopupMenu (this, m_strContextMenuName);
	ASSERT (m_pContextMenu != NULL);

	if (!globalData.bIsWindowsNT4)
	{
		m_pContextMenu->SetAutoDestroy (FALSE);
	}

	if (!m_pContextMenu->Create (GetTopLevelFrame (),
			m_ptMenuLastPos.x, m_ptMenuLastPos.y,
			hmenuPopup))
	{
		AfxMessageBox (_T("Can't create context menu!"));
	}
	else
	{
		m_wndResetMenuButton.EnableWindow ();
	}
}
//************************************************************************************************
void CBCGMenuPage::CloseContextMenu (CBCGPopupMenu* pMenu)
{
	if (m_pContextMenu == NULL)
	{
		return;
	}

	ASSERT(m_pContextMenu == pMenu);

	SaveMenu ();

	if (m_pContextMenu != NULL)
	{
		m_pContextMenu = NULL;
		m_wndContextMenus.SetCurSel (0);
		
		m_wndResetMenuButton.EnableWindow (FALSE);
	}
}
//***********************************************************************************************
void CBCGMenuPage::SaveMenu ()
{
	if (m_pContextMenu == NULL)
	{
		return;
	}

	//-----------------------------
	// Save current menu position:
	//-----------------------------
	CRect rectMenu;
	m_pContextMenu->GetWindowRect (&rectMenu);
	m_ptMenuLastPos = rectMenu.TopLeft ();

	//-------------------
	// Save menu context:
	//-------------------
	g_menuHash.SaveMenuBar (m_pContextMenu->m_hMenu, &m_pContextMenu->m_wndMenuBar);
}
//***********************************************************************************************
void CBCGMenuPage::OnResetMenu() 
{
	if (g_pContextMenuManager == NULL)
	{
		return;
	}

	ASSERT (m_pContextMenu != NULL);

	{
		CBCGLocalResource locaRes;

		CString strPrompt;
		strPrompt.Format (IDS_BCGBARRES_RESET_MENU_FMT, m_strContextMenuName);

		if (MessageBox (strPrompt, NULL, MB_YESNO | MB_ICONQUESTION) != IDYES)
		{
			return;
		}
	}

	HMENU hMenu = g_pContextMenuManager->GetMenuByName (m_strContextMenuName);
	if (hMenu == NULL)
	{
		MessageBeep ((UINT) -1);
		return;
	}

	m_pContextMenu->m_wndMenuBar.ImportFromMenu (::GetSubMenu (hMenu, 0));
	m_pContextMenu->RecalcLayout ();
	m_pContextMenu->GetMenuBar ()->Invalidate ();
}
//*****************************************************************************************
void CBCGMenuPage::OnBcgbarresResetFrameMenu() 
{
	UpdateData ();

	if (m_pMenuBar == NULL)
	{
		ASSERT (FALSE);
		return;
	}

	int iIndex = m_wndMenuesList.GetCurSel ();
	if (iIndex == CB_ERR)
	{
		ASSERT (FALSE);
		return;
	}

	{
		CBCGLocalResource locaRes;

		CString strPrompt;
		strPrompt.Format (IDS_BCGBARRES_RESET_MENU_FMT, m_strMenuName);

		if (MessageBox (strPrompt, NULL, MB_YESNO | MB_ICONQUESTION) != IDYES)
		{
			return;
		}
	}

	CBCGMultiDocTemplate* pTemplate = 
			(CBCGMultiDocTemplate*) m_wndMenuesList.GetItemData (iIndex);
	if (pTemplate != NULL)	// Document's menu
	{
		ASSERT_VALID (pTemplate);

		HINSTANCE hInst = AfxFindResourceHandle (
			MAKEINTRESOURCE (pTemplate->GetResId ()), RT_MENU);

		BOOL bIsCurrent = (pTemplate->m_hMenuShared == m_hmenuCurr);

		pTemplate->m_hMenuShared = ::LoadMenu (hInst, MAKEINTRESOURCE (pTemplate->GetResId ()));
		m_pMenuBar->CreateFromMenu (pTemplate->m_hMenuShared, FALSE);
		g_menuHash.SaveMenuBar (pTemplate->m_hMenuShared, m_pMenuBar);

		if (bIsCurrent)
		{
			ASSERT (!m_bIsDefaultMDIMenu);
			m_hmenuCurr = pTemplate->m_hMenuShared;
		}
	}
	else	// Frame's default menu
	{
		UINT uiDefMenuResId = m_pMenuBar->GetDefaultMenuResId ();
		if (uiDefMenuResId != 0)
		{
			HINSTANCE hInst = AfxFindResourceHandle (
				MAKEINTRESOURCE (uiDefMenuResId), RT_MENU);

			HMENU hDefaultMenu = ::LoadMenu (hInst, MAKEINTRESOURCE (uiDefMenuResId));
			m_pMenuBar->OnDefaultMenuLoaded (hDefaultMenu);

			m_pMenuBar->CreateFromMenu (hDefaultMenu, TRUE);
			g_menuHash.SaveMenuBar (hDefaultMenu, m_pMenuBar);

			if (m_bIsDefaultMDIMenu)
			{
				m_hmenuCurr = hDefaultMenu;	// By Steven Nies - 3.08.99
			}
		}
	}
}