зеркало из https://github.com/mozilla/gecko-dev.git
74 строки
2.7 KiB
C++
74 строки
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsIRadioControlFrame_h___
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#define nsIRadioControlFrame_h___
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#include "nsISupports.h"
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class nsIStyleContext;
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// IID for the nsIRadioControlFrame class
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// {06450E00-24D9-11d3-966B-00105A1B1B76}
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#define NS_IRADIOCONTROLFRAME_IID \
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{ 0x6450e00, 0x24d9, 0x11d3, \
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{ 0x96, 0x6b, 0x0, 0x10, 0x5a, 0x1b, 0x1b, 0x76 } }
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/**
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* nsIRadioControlFrame is the common interface radio buttons.
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* @see nsFromControlFrame and its base classes for more info
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*/
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class nsIRadioControlFrame : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_IRADIOCONTROLFRAME_IID)
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/**
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* Sets the Pseudo Style Contexts for the Radio button
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*
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*/
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NS_IMETHOD SetRadioButtonFaceStyleContext(nsIStyleContext *aRadioButtonFaceStyleContext) = 0;
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/**
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* When a user clicks on a radiobutton the value needs to be set after the onmouseup
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* and before the onclick event is processed via script. The EVM always lets script
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* get first crack at the processing, and script can cancel further processing of
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* the event by return null.
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*
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* This means the radiobutton needs to have it's new value set before it goes to script
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* to process the onclick and then if script cancels the event it needs to be set back.
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* In Nav and IE there is a flash of it being set and then unset
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*
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* We have added this extra method to the radiobutton to tell it to temporarily return the
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* opposite value while processing the click event. This way script gets the correct "future"
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* value of the radiobutton, but there is no visual updating until after script is done processing.
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* That way if the event is cancelled then the radiobutton will not flash.
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*
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* So get the Frame for the radiobutton and tell it we are processing an onclick event
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* (see also: nsHTMLInputElement.cpp)
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*/
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NS_IMETHOD SetIsInClickEvent(PRBool aVal) = 0;
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};
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#endif
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