283 lines
7.0 KiB
C++
283 lines
7.0 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 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
|
|
#include "nsRadioControlFrame.h"
|
|
#include "nsFormControlFrame.h"
|
|
#include "nsIContent.h"
|
|
#include "prtypes.h"
|
|
#include "nsIFrame.h"
|
|
#include "nsISupports.h"
|
|
#include "nsIAtom.h"
|
|
#include "nsIPresContext.h"
|
|
#include "nsIHTMLContent.h"
|
|
#include "nsHTMLIIDs.h"
|
|
#include "nsIRadioButton.h"
|
|
#include "nsWidgetsCID.h"
|
|
#include "nsSize.h"
|
|
#include "nsHTMLAtoms.h"
|
|
#include "nsIFormControl.h"
|
|
#include "nsIFormManager.h"
|
|
#include "nsIView.h"
|
|
#include "nsIStyleContext.h"
|
|
#include "nsStyleUtil.h"
|
|
#include "nsFormFrame.h"
|
|
|
|
static NS_DEFINE_IID(kIRadioIID, NS_IRADIOBUTTON_IID);
|
|
static NS_DEFINE_IID(kIFormControlIID, NS_IFORMCONTROL_IID);
|
|
|
|
|
|
|
|
nsresult
|
|
NS_NewRadioControlFrame(nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsIFrame*& aResult)
|
|
{
|
|
aResult = new nsRadioControlFrame(aContent, aParent);
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsRadioControlFrame::nsRadioControlFrame(nsIContent* aContent, nsIFrame* aParentFrame)
|
|
: nsFormControlFrame(aContent, aParentFrame)
|
|
{
|
|
mInitialChecked = nsnull;
|
|
mForcedChecked = PR_FALSE;
|
|
}
|
|
|
|
nsRadioControlFrame::~nsRadioControlFrame()
|
|
{
|
|
if (mInitialChecked) {
|
|
delete mInitialChecked;
|
|
}
|
|
}
|
|
|
|
const nsIID&
|
|
nsRadioControlFrame::GetIID()
|
|
{
|
|
return kIRadioIID;
|
|
}
|
|
|
|
const nsIID&
|
|
nsRadioControlFrame::GetCID()
|
|
{
|
|
static NS_DEFINE_IID(kRadioCID, NS_RADIOBUTTON_CID);
|
|
return kRadioCID;
|
|
}
|
|
|
|
void
|
|
nsRadioControlFrame::GetDesiredSize(nsIPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsHTMLReflowMetrics& aDesiredLayoutSize,
|
|
nsSize& aDesiredWidgetSize)
|
|
{
|
|
float p2t = aPresContext->GetPixelsToTwips();
|
|
aDesiredWidgetSize.width = NSIntPixelsToTwips(12, p2t);
|
|
aDesiredWidgetSize.height = NSIntPixelsToTwips(12, p2t);
|
|
aDesiredLayoutSize.width = aDesiredWidgetSize.width;
|
|
aDesiredLayoutSize.height = aDesiredWidgetSize.height;
|
|
aDesiredLayoutSize.ascent = aDesiredLayoutSize.height;
|
|
aDesiredLayoutSize.descent = 0;
|
|
}
|
|
|
|
void
|
|
nsRadioControlFrame::PostCreateWidget(nsIPresContext* aPresContext, nscoord& aWidth, nscoord& aHeight)
|
|
{
|
|
nsIRadioButton* radio = nsnull;
|
|
if (mWidget && (NS_OK == mWidget->QueryInterface(GetIID(),(void**)&radio))) {
|
|
radio->SetState(mForcedChecked);
|
|
|
|
const nsStyleColor* color =
|
|
nsStyleUtil::FindNonTransparentBackground(mStyleContext);
|
|
|
|
if (nsnull != color) {
|
|
mWidget->SetBackgroundColor(color->mBackgroundColor);
|
|
} else {
|
|
mWidget->SetBackgroundColor(NS_RGB(0xFF, 0xFF, 0xFF));
|
|
}
|
|
NS_RELEASE(radio);
|
|
mWidget->Enable(!nsFormFrame::GetDisabled(this));
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
nsRadioControlFrame::MouseClicked(nsIPresContext* aPresContext)
|
|
{
|
|
nsIRadioButton* radioWidget;
|
|
if (mWidget && (NS_OK == mWidget->QueryInterface(kIRadioIID, (void**)&radioWidget))) {
|
|
radioWidget->SetState(PR_TRUE);
|
|
NS_RELEASE(radioWidget);
|
|
if (mFormFrame) {
|
|
mFormFrame->OnRadioChecked(*this);
|
|
}
|
|
}
|
|
}
|
|
|
|
PRBool
|
|
nsRadioControlFrame::GetChecked(PRBool aGetInitialValue)
|
|
{
|
|
if (aGetInitialValue) {
|
|
if (!mInitialChecked && mContent) {
|
|
mInitialChecked = new PRBool(PR_FALSE);
|
|
nsIHTMLContent* iContent = nsnull;
|
|
nsresult result = mContent->QueryInterface(kIHTMLContentIID, (void**)&iContent);
|
|
if ((NS_OK == result) && iContent) {
|
|
nsHTMLValue value;
|
|
result = iContent->GetAttribute(nsHTMLAtoms::checked, value);
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == result) {
|
|
*mInitialChecked = PR_TRUE;
|
|
mForcedChecked = PR_TRUE;
|
|
}
|
|
NS_RELEASE(iContent);
|
|
}
|
|
}
|
|
return *mInitialChecked;
|
|
}
|
|
|
|
PRBool result = PR_FALSE;
|
|
nsIRadioButton* radio = nsnull;
|
|
if (mWidget && (NS_OK == mWidget->QueryInterface(kIRadioIID,(void**)&radio))) {
|
|
radio->GetState(result);
|
|
NS_RELEASE(radio);
|
|
} else {
|
|
result = mForcedChecked;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void
|
|
nsRadioControlFrame::SetChecked(PRBool aValue, PRBool aSetInitialValue)
|
|
{
|
|
mForcedChecked = aValue;
|
|
if (aSetInitialValue) {
|
|
if (!mInitialChecked) {
|
|
mInitialChecked = new PRBool(aValue);
|
|
}
|
|
*mInitialChecked = aValue;
|
|
}
|
|
nsIRadioButton* radio = nsnull;
|
|
if (mWidget && (NS_OK == mWidget->QueryInterface(kIRadioIID,(void**)&radio))) {
|
|
radio->SetState(aValue);
|
|
NS_RELEASE(radio);
|
|
}
|
|
}
|
|
|
|
|
|
PRBool
|
|
nsRadioControlFrame::GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
|
|
nsString* aValues, nsString* aNames)
|
|
{
|
|
nsAutoString name;
|
|
nsresult result = GetName(&name);
|
|
if ((aMaxNumValues <= 0) || (NS_CONTENT_ATTR_HAS_VALUE != result)) {
|
|
return PR_FALSE;
|
|
}
|
|
|
|
PRBool state = PR_FALSE;
|
|
|
|
nsIRadioButton* radio = nsnull;
|
|
if (mWidget && (NS_OK == mWidget->QueryInterface(kIRadioIID,(void**)&radio))) {
|
|
radio->GetState(state);
|
|
NS_RELEASE(radio);
|
|
}
|
|
if(PR_TRUE != state) {
|
|
return PR_FALSE;
|
|
}
|
|
|
|
nsAutoString value;
|
|
result = GetValue(&value);
|
|
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == result) {
|
|
aValues[0] = value;
|
|
} else {
|
|
aValues[0] = "on";
|
|
}
|
|
aNames[0] = name;
|
|
aNumValues = 1;
|
|
|
|
return PR_TRUE;
|
|
}
|
|
|
|
void
|
|
nsRadioControlFrame::Reset()
|
|
{
|
|
nsIRadioButton* radio = nsnull;
|
|
if (mWidget && (NS_OK == mWidget->QueryInterface(kIRadioIID,(void**)&radio))) {
|
|
PRBool state = (nsnull == mInitialChecked) ? PR_FALSE : *mInitialChecked;
|
|
radio->SetState(state);
|
|
NS_RELEASE(radio);
|
|
}
|
|
}
|
|
|
|
|
|
// CLASS nsRadioControlGroup
|
|
|
|
nsRadioControlGroup::nsRadioControlGroup(nsString& aName)
|
|
:mName(aName), mCheckedRadio(nsnull)
|
|
{
|
|
}
|
|
|
|
nsRadioControlGroup::~nsRadioControlGroup()
|
|
{
|
|
mCheckedRadio = nsnull;
|
|
}
|
|
|
|
PRInt32
|
|
nsRadioControlGroup::GetRadioCount() const
|
|
{
|
|
return mRadios.Count();
|
|
}
|
|
|
|
nsRadioControlFrame*
|
|
nsRadioControlGroup::GetRadioAt(PRInt32 aIndex) const
|
|
{
|
|
return (nsRadioControlFrame*) mRadios.ElementAt(aIndex);
|
|
}
|
|
|
|
PRBool
|
|
nsRadioControlGroup::AddRadio(nsRadioControlFrame* aRadio)
|
|
{
|
|
return mRadios.AppendElement(aRadio);
|
|
}
|
|
|
|
PRBool
|
|
nsRadioControlGroup::RemoveRadio(nsRadioControlFrame* aRadio)
|
|
{
|
|
return mRadios.RemoveElement(aRadio);
|
|
}
|
|
|
|
nsRadioControlFrame*
|
|
nsRadioControlGroup::GetCheckedRadio()
|
|
{
|
|
return mCheckedRadio;
|
|
}
|
|
|
|
void
|
|
nsRadioControlGroup::SetCheckedRadio(nsRadioControlFrame* aRadio)
|
|
{
|
|
mCheckedRadio = aRadio;
|
|
}
|
|
|
|
void
|
|
nsRadioControlGroup::GetName(nsString& aNameResult) const
|
|
{
|
|
aNameResult = mName;
|
|
}
|