gecko/layout/forms/nsIFormControlFrame.h

86 lines
3.0 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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*
* ***** END LICENSE BLOCK ***** */
#ifndef nsIFormControlFrame_h___
#define nsIFormControlFrame_h___
#include "nsQueryFrame.h"
class nsAString;
class nsIContent;
class nsIAtom;
struct nsSize;
/**
* nsIFormControlFrame is the common interface for frames of form controls. It
* provides a uniform way of creating widgets, resizing, and painting.
* @see nsLeafFrame and its base classes for more info
*/
class nsIFormControlFrame : public nsQueryFrame
{
public:
NS_DECL_QUERYFRAME_TARGET(nsIFormControlFrame)
/**
*
* @param aOn
* @param aRepaint
*/
virtual void SetFocus(PRBool aOn = PR_TRUE, PRBool aRepaint = PR_FALSE) = 0;
/**
* Set a property on the form control frame.
*
* @param aName name of the property to set
* @param aValue value of the property
* @returns NS_OK if the property name is valid, otherwise an error code
*/
virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) = 0;
/**
* Get a property from the form control frame
*
* @param aName name of the property to get.
* @param aValue Value to set.
* @returns NS_OK if the property name is valid, otherwise an error code.
*/
virtual nsresult GetFormProperty(nsIAtom* aName, nsAString& aValue) const = 0;
};
#endif