Mozilla/mozilla/layout/forms/nsLegendFrame.cpp
rods%netscape.com cffeb53a49 removing unneeded native frames and unneeded frame classes that these derived from
fixing checkbox and radiobutton state restore
fixing right btn click on dropdown
adding in initial work for accesskey
bug 17027,26296,27063,7559; carpool a=leaf; r=kmcclusk


git-svn-id: svn://10.0.0.236/trunk@60248 18797224-902f-48f8-a5cc-f745e15eee43
2000-02-09 19:34:39 +00:00

124 lines
3.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
// YY need to pass isMultiple before create called
#include "nsLegendFrame.h"
#include "nsIDOMNode.h"
#include "nsIDOMHTMLLegendElement.h"
#include "nsCSSRendering.h"
#include "nsIContent.h"
#include "nsIFrame.h"
#include "nsISupports.h"
#include "nsIAtom.h"
#include "nsIHTMLContent.h"
#include "nsHTMLIIDs.h"
#include "nsHTMLParts.h"
#include "nsHTMLAtoms.h"
#include "nsIStyleContext.h"
#include "nsStyleConsts.h"
#include "nsStyleUtil.h"
#include "nsFont.h"
#include "nsFormControlFrame.h"
static NS_DEFINE_IID(kLegendFrameCID, NS_LEGEND_FRAME_CID);
static NS_DEFINE_IID(kIDOMHTMLLegendElementIID, NS_IDOMHTMLLEGENDELEMENT_IID);
nsresult
NS_NewLegendFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
{
NS_PRECONDITION(aNewFrame, "null OUT ptr");
if (nsnull == aNewFrame) {
return NS_ERROR_NULL_POINTER;
}
nsLegendFrame* it = new (aPresShell) nsLegendFrame;
if (!it) {
return NS_ERROR_OUT_OF_MEMORY;
}
*aNewFrame = it;
return NS_OK;
}
nsLegendFrame::nsLegendFrame()
: nsAreaFrame()
{
}
nsLegendFrame::~nsLegendFrame()
{
nsFormControlFrame::RegUnRegAccessKey(mPresContext, NS_STATIC_CAST(nsIFrame*, this), PR_FALSE);
}
// Frames are not refcounted, no need to AddRef
NS_IMETHODIMP
nsLegendFrame::QueryInterface(REFNSIID aIID, void** aInstancePtrResult)
{
NS_PRECONDITION(nsnull != aInstancePtrResult, "null pointer");
if (nsnull == aInstancePtrResult) {
return NS_ERROR_NULL_POINTER;
}
if (aIID.Equals(kLegendFrameCID)) {
*aInstancePtrResult = (void*) ((nsLegendFrame*)this);
return NS_OK;
}
return nsHTMLContainerFrame::QueryInterface(aIID, aInstancePtrResult);
}
NS_IMETHODIMP
nsLegendFrame::Reflow(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
if (eReflowReason_Initial == aReflowState.reason) {
mPresContext = aPresContext;
nsFormControlFrame::RegUnRegAccessKey(aPresContext, NS_STATIC_CAST(nsIFrame*, this), PR_TRUE);
}
return nsAreaFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
}
PRInt32 nsLegendFrame::GetAlign()
{
PRInt32 intValue = NS_STYLE_TEXT_ALIGN_LEFT;
nsIHTMLContent* content = nsnull;
mContent->QueryInterface(kIHTMLContentIID, (void**) &content);
if (nsnull != content) {
nsHTMLValue value;
if (NS_CONTENT_ATTR_HAS_VALUE == (content->GetHTMLAttribute(nsHTMLAtoms::align, value))) {
if (eHTMLUnit_Enumerated == value.GetUnit()) {
intValue = value.GetIntValue();
}
}
NS_RELEASE(content);
}
return intValue;
}
#ifdef NS_DEBUG
NS_IMETHODIMP
nsLegendFrame::GetFrameName(nsString& aResult) const
{
return MakeFrameName("Legend", aResult);
}
#endif