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deae53f1e4
Previously, we used to scroll the text control's selection into view after a reframe. This had two problems: it was not precise (in case the selection was modified by the mouse, for example), and it lead to problems such as bug 629878 if the control's frame was reconstructed because of the control being moved inside the DOM. This patch disables that behavior by wrapping the selection scroll function into nsITextControlFrame::ScrollSelectionIntoView, so that APIs such as setSelectionRange on the text control's content node can still call it explicitly (since they actually need this behavior), but other callers of nsITextControlFrame::SetSelectionRange (such as the nsTextEditorState object's selection offset restoring mechanism) don't get this behavior as an undesired side-effect.
84 lines
3.1 KiB
C++
84 lines
3.1 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: MPL 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 Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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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 Communicator client 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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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 MPL, 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 MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsITextControlFrame_h___
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#define nsITextControlFrame_h___
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#include "nsIFormControlFrame.h"
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class nsIEditor;
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class nsIDocShell;
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class nsISelectionController;
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class nsFrameSelection;
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class nsITextControlFrame : public nsIFormControlFrame
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{
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public:
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NS_DECL_QUERYFRAME_TARGET(nsITextControlFrame)
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NS_IMETHOD GetEditor(nsIEditor **aEditor) = 0;
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NS_IMETHOD GetTextLength(PRInt32* aTextLength) = 0;
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/**
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* Fire onChange if the value has changed since it was focused or since it
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* was last fired.
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*/
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NS_IMETHOD CheckFireOnChange() = 0;
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NS_IMETHOD SetSelectionStart(PRInt32 aSelectionStart) = 0;
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NS_IMETHOD SetSelectionEnd(PRInt32 aSelectionEnd) = 0;
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NS_IMETHOD SetSelectionRange(PRInt32 aSelectionStart, PRInt32 aSelectionEnd) = 0;
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NS_IMETHOD GetSelectionRange(PRInt32* aSelectionStart, PRInt32* aSelectionEnd) = 0;
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NS_IMETHOD GetOwnedSelectionController(nsISelectionController** aSelCon) = 0;
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virtual nsFrameSelection* GetOwnedFrameSelection() = 0;
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virtual nsresult GetPhonetic(nsAString& aPhonetic) = 0;
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/**
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* Ensure editor is initialized with the proper flags and the default value.
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* @throws NS_ERROR_NOT_INITIALIZED if mEditor has not been created
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* @throws various and sundry other things
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*/
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virtual nsresult EnsureEditorInitialized() = 0;
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virtual nsresult ScrollSelectionIntoView() = 0;
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};
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#endif
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