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60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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// UIHelper.h
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#pragma once
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///////////////////////////////////////////////////////////////////////////////////
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//
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// This file contains some helper functions for UI manipulation.
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//
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///////////////////////////////////////////////////////////////////////////////////
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//
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// FindUIItemPtr - returns a pointer to the proper item
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// Usage:
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//
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// LGAPushButton* button;
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// LView view;
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// PaneIDT paneID;
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//
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// FindUIItem( view, paneID, button );
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//
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// It will throw an exception if the element is missing or the passed
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// pointer is the wrong type.
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//
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///////////////////////////////////////////////////////////////////////////////////
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#include "PP_Types.h"
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#include "LView.h"
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#include "nc_exception.h"
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///////////////////////////////////////////////////////////////////////////////////
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// FindUIItemPtr
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template <class T>
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inline
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void
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FindUIItemPtr( LView *inView, long inID, T*& outItemPtr )
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{
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outItemPtr = dynamic_cast<T*>( inView->FindPaneByID( inID ) );
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if( !outItemPtr )
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throw nc_exception( eUIResourceError );
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}
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