2001-09-29 00:14:13 +04:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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2004-04-18 18:30:37 +04:00
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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1999-09-03 18:25:15 +04:00
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*
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2004-04-18 18:30:37 +04:00
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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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1999-09-03 18:25:15 +04:00
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*
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2001-09-29 00:14:13 +04:00
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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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1999-09-03 18:25:15 +04:00
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*
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1999-11-06 06:40:37 +03:00
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* The Original Code is mozilla.org code.
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*
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2004-04-18 18:30:37 +04:00
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* The Initial Developer of the Original Code is
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2001-09-29 00:14:13 +04:00
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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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1999-11-06 06:40:37 +03:00
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*
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2001-09-29 00:14:13 +04:00
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* Contributor(s):
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2000-02-03 01:24:56 +03:00
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* Pierre Phaneuf <pp@ludusdesign.com>
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2001-09-29 00:14:13 +04:00
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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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2004-04-18 18:30:37 +04:00
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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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2001-09-29 00:14:13 +04:00
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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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2004-04-18 18:30:37 +04:00
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* use your version of this file under the terms of the MPL, indicate your
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2001-09-29 00:14:13 +04:00
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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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2004-04-18 18:30:37 +04:00
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* the terms of any one of the MPL, the GPL or the LGPL.
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2001-09-29 00:14:13 +04:00
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*
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* ***** END LICENSE BLOCK ***** */
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1999-09-03 18:25:15 +04:00
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#include "nsSelectsAreaFrame.h"
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#include "nsCOMPtr.h"
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#include "nsIDOMHTMLOptionElement.h"
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#include "nsIContent.h"
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2002-04-11 04:53:20 +04:00
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#include "nsListControlFrame.h"
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1999-09-03 18:25:15 +04:00
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2005-11-04 05:38:33 +03:00
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nsIFrame*
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NS_NewSelectsAreaFrame(nsIPresShell* aShell, PRUint32 aFlags)
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1999-09-03 18:25:15 +04:00
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{
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1999-12-05 02:49:50 +03:00
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nsSelectsAreaFrame* it = new (aShell) nsSelectsAreaFrame;
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2005-11-04 05:38:33 +03:00
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if (it) {
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// We need NS_BLOCK_SPACE_MGR to ensure that the options inside the select
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// aren't expanded by right floats outside the select.
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it->SetFlags(aFlags | NS_BLOCK_SPACE_MGR);
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1999-09-03 18:25:15 +04:00
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}
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2005-11-04 05:38:33 +03:00
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return it;
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1999-09-03 18:25:15 +04:00
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}
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/*NS_IMETHODIMP
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nsSelectsAreaFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(kAreaFrameIID)) {
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nsIAreaFrame* tmp = (nsIAreaFrame*)this;
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*aInstancePtr = (void*)tmp;
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return NS_OK;
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}
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return nsAreaFrame::QueryInterface(aIID, aInstancePtr);
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}
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*/
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//---------------------------------------------------------
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PRBool
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nsSelectsAreaFrame::IsOptionElement(nsIContent* aContent)
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{
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PRBool result = PR_FALSE;
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nsCOMPtr<nsIDOMHTMLOptionElement> optElem;
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2000-02-03 01:24:56 +03:00
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if (NS_SUCCEEDED(aContent->QueryInterface(NS_GET_IID(nsIDOMHTMLOptionElement),(void**) getter_AddRefs(optElem)))) {
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1999-09-03 18:25:15 +04:00
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if (optElem != nsnull) {
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result = PR_TRUE;
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}
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}
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return result;
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}
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//---------------------------------------------------------
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PRBool
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nsSelectsAreaFrame::IsOptionElementFrame(nsIFrame *aFrame)
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{
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2003-06-30 14:46:59 +04:00
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nsIContent *content = aFrame->GetContent();
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if (content) {
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return IsOptionElement(content);
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1999-09-03 18:25:15 +04:00
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}
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2003-06-30 14:46:59 +04:00
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return PR_FALSE;
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1999-09-03 18:25:15 +04:00
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}
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//---------------------------------------------------------
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2005-09-19 06:15:54 +04:00
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nsIFrame*
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2005-01-01 20:26:29 +03:00
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nsSelectsAreaFrame::GetFrameForPoint(const nsPoint& aPoint,
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2005-09-19 06:15:54 +04:00
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nsFramePaintLayer aWhichLayer)
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1999-09-03 18:25:15 +04:00
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{
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2005-09-19 06:15:54 +04:00
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nsRect thisRect(nsPoint(0,0), GetSize());
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PRBool inThisFrame = thisRect.Contains(aPoint);
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1999-09-03 18:25:15 +04:00
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2005-09-19 06:15:54 +04:00
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if (!((mState & NS_FRAME_OUTSIDE_CHILDREN) || inThisFrame)) {
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return nsnull;
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1999-09-03 18:25:15 +04:00
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}
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2005-09-19 06:15:54 +04:00
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nsIFrame* frame = nsAreaFrame::GetFrameForPoint(aPoint, aWhichLayer);
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2000-03-22 05:43:08 +03:00
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2005-09-19 06:15:54 +04:00
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if (frame) {
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nsIFrame* selectedFrame = frame;
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2003-06-30 14:46:59 +04:00
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while (selectedFrame && !IsOptionElementFrame(selectedFrame)) {
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selectedFrame = selectedFrame->GetParent();
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2005-09-19 06:15:54 +04:00
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}
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2003-06-30 14:46:59 +04:00
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if (selectedFrame) {
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2005-09-19 06:15:54 +04:00
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return selectedFrame;
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2000-03-22 05:43:08 +03:00
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}
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// else, keep the original result as *aFrame, which could be this frame
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}
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2005-09-19 06:15:54 +04:00
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return frame;
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1999-09-03 18:25:15 +04:00
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}
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2002-04-11 04:53:20 +04:00
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NS_IMETHODIMP
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2004-08-01 03:15:21 +04:00
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nsSelectsAreaFrame::Paint(nsPresContext* aPresContext,
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2002-04-11 04:53:20 +04:00
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer,
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PRUint32 aFlags)
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{
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2003-06-30 14:46:59 +04:00
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nsAreaFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer, aFlags);
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2002-04-11 04:53:20 +04:00
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2003-04-09 00:50:57 +04:00
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nsIFrame* frame = this;
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while (frame) {
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2003-06-30 14:46:59 +04:00
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frame = frame->GetParent();
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2003-10-31 23:19:18 +03:00
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if (frame->GetType() == nsLayoutAtoms::listControlFrame) {
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2003-04-09 00:50:57 +04:00
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nsListControlFrame* listFrame = NS_STATIC_CAST(nsListControlFrame*, frame);
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listFrame->PaintFocus(aRenderingContext, aWhichLayer);
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return NS_OK;
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}
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}
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return NS_OK;
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2002-04-11 07:25:58 +04:00
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}
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