зеркало из https://github.com/mozilla/gecko-dev.git
141 строка
4.6 KiB
C++
141 строка
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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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 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsIFormControlFrame_h___
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#define nsIFormControlFrame_h___
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#include "nsISupports.h"
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#include "nsFont.h"
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class nsIPresContext;
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class nsAString;
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class nsIContent;
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class nsIAtom;
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// IID for the nsIFormControlFrame class
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#define NS_IFORMCONTROLFRAME_IID \
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{ 0x38eb3980, 0x4d99, 0x11d2, \
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{ 0x80, 0x3f, 0x0, 0x60, 0x8, 0x15, 0xa7, 0x91 } }
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/**
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* nsIFormControlFrame is the common interface for frames of form controls. It
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* provides a uniform way of creating widgets, resizing, and painting.
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* @see nsLeafFrame and its base classes for more info
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*/
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class nsIFormControlFrame : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_IFORMCONTROLFRAME_IID)
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NS_IMETHOD_(PRInt32) GetFormControlType() const = 0;
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NS_IMETHOD GetName(nsAString* aName) = 0;
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virtual void SetFocus(PRBool aOn = PR_TRUE, PRBool aRepaint = PR_FALSE) = 0;
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virtual void ScrollIntoView(nsIPresContext* aPresContext) = 0;
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virtual void MouseClicked(nsIPresContext* aPresContext) = 0;
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/**
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* Set the suggested size for the form element.
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* This is used to control the size of the element during reflow if it hasn't had it's size
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* explicitly set.
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* @param aWidth width of the form element
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* @param aHeight height of the form element
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* @returns NS_OK
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*/
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NS_IMETHOD SetSuggestedSize(nscoord aWidth, nscoord aHeight) = 0;
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/**
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* Determine if the control uses a native widget for rendering
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* @param aRequiresWidget is set to PR_TRUE if it has a native widget, PR_FALSE otherwise.
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* @returns NS_OK
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*/
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/**
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* Determine if the control uses a native widget for rendering
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* @param aRequiresWidget is set to PR_TRUE if it has a native widget, PR_FALSE otherwise.
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* @returns NS_OK
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*/
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virtual nsresult RequiresWidget(PRBool &aRequiresWidget) = 0;
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NS_IMETHOD GetFont(nsIPresContext* aPresContext,
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const nsFont*& aFont) = 0;
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/**
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* Get the content object associated with this frame. Adds a reference to
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* the content object so the caller must do a release.
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*
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* @see nsISupports#Release()
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*/
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NS_IMETHOD GetFormContent(nsIContent*& aContent) const = 0;
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/**
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* Set a property on the form control frame.
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*
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* @param aName name of the property to set
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* @param aValue value of the property
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* @returns NS_OK if the property name is valid, otherwise an error code
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*/
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NS_IMETHOD SetProperty(nsIPresContext* aPresContext, nsIAtom* aName, const nsAString& aValue) = 0;
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/**
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* Get a property from the form control frame
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*
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* @param aName name of the property to get
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* @param aValue value of the property
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* @returns NS_OK if the property name is valid, otherwise an error code
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*/
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NS_IMETHOD GetProperty(nsIAtom* aName, nsAString& aValue) = 0;
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/**
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* Notification that the content has been reset
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*/
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NS_IMETHOD OnContentReset() = 0;
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};
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#endif
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