/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.0 (the "NPL"); you may not use this file except in
 * compliance with the NPL.  You may obtain a copy of the NPL at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the NPL is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
 * for the specific language governing rights and limitations under the
 * NPL.
 *
 * The Initial Developer of this code under the NPL is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
 * Reserved.
 */

#include "nsLabel.h"

NS_IMPL_ADDREF(nsLabel);
NS_IMPL_RELEASE(nsLabel);

//-------------------------------------------------------------------------
//
//
//-------------------------------------------------------------------------
nsLabel::nsLabel() : nsTextWidget(), nsILabel()
{
  NS_INIT_REFCNT();
  strcpy(gInstanceClassName, "nsLabel");
}

//-------------------------------------------------------------------------
//
//
//-------------------------------------------------------------------------
nsLabel::~nsLabel()
{
}

//-------------------------------------------------------------------------
//
//
//-------------------------------------------------------------------------
nsresult nsLabel::QueryInterface(const nsIID& aIID, void** aInstancePtr)
{
	if (NULL == aInstancePtr) {
	    return NS_ERROR_NULL_POINTER;
	}

	static NS_DEFINE_IID(kILabel, NS_ILABEL_IID);
	if (aIID.Equals(kILabel)) {
	    *aInstancePtr = (void*) ((nsILabel*)this);
	    AddRef();
	    return NS_OK;
	}

	return nsTextWidget::QueryInterface(aIID,aInstancePtr);
}

#pragma mark -
//-------------------------------------------------------------------------
//
//
//-------------------------------------------------------------------------
NS_METHOD nsLabel::SetLabel(const nsString& aText)
{
	PRUint32 displayedSize;
	return SetText(aText, displayedSize);
}

//-------------------------------------------------------------------------
//
//
//-------------------------------------------------------------------------
NS_METHOD nsLabel::GetLabel(nsString& aBuffer)
{
	PRUint32 maxSize = -1;
	PRUint32 displayedSize;
	return GetText(aBuffer, maxSize, displayedSize);
}

//-------------------------------------------------------------------------
//
//
//-------------------------------------------------------------------------
NS_METHOD nsLabel::SetAlignment(nsLabelAlignment aAlignment)
{
	if (!mControl)
		return NS_ERROR_NOT_INITIALIZED;

	SInt16	just;
	switch (aAlignment)
	{
		case eAlign_Right:		just = teFlushRight;		break;
		case eAlign_Left:			just = teFlushLeft;			break;
		case eAlign_Center:		just = teCenter;				break;
	}
	ControlFontStyleRec fontStyleRec;
	fontStyleRec.flags = (kControlUseJustMask);
	fontStyleRec.just = just;
	::SetControlFontStyle(mControl, &fontStyleRec);
	
	return NS_OK;
}