ua.css - Added select[multiple] rule for multi-select listboxes without a size Fixed form submission for gfx checkboxes,radiobuttons, and select by rewriting GetNamesValues. Added nsListControlFrame::GetSizeAttribute and nsListControlFrame::GetNumberOfRows Added logic to nsCSSFrameConstructor::ConstructSelectFrame and nsListControlFrame::Reflow to handle the case of a multiselect select without a size specified. git-svn-id: svn://10.0.0.236/trunk@40339 18797224-902f-48f8-a5cc-f745e15eee43
567 lines
16 KiB
C++
567 lines
16 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsRadioControlFrame.h"
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#include "nsFormControlFrame.h"
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#include "nsIContent.h"
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#include "prtypes.h"
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#include "nsIFrame.h"
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#include "nsISupports.h"
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#include "nsIAtom.h"
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#include "nsIPresContext.h"
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#include "nsIHTMLContent.h"
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#include "nsHTMLIIDs.h"
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#include "nsIRadioButton.h"
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#include "nsWidgetsCID.h"
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#include "nsSize.h"
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#include "nsHTMLAtoms.h"
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#include "nsIFormControl.h"
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#include "nsIFormManager.h"
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#include "nsIView.h"
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#include "nsIStyleContext.h"
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#include "nsStyleUtil.h"
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#include "nsFormFrame.h"
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#include "nsIDOMHTMLInputElement.h"
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#include "nsINameSpaceManager.h"
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#include "nsILookAndFeel.h"
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#include "nsIComponentManager.h"
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#include "nsCOMPtr.h"
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#include "nsCSSRendering.h"
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static NS_DEFINE_IID(kIRadioIID, NS_IRADIOBUTTON_IID);
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static NS_DEFINE_IID(kIFormControlIID, NS_IFORMCONTROL_IID);
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static NS_DEFINE_IID(kIDOMHTMLInputElementIID, NS_IDOMHTMLINPUTELEMENT_IID);
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static NS_DEFINE_IID(kLookAndFeelCID, NS_LOOKANDFEEL_CID);
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static NS_DEFINE_IID(kILookAndFeelIID, NS_ILOOKANDFEEL_IID);
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#define NS_DEFAULT_RADIOBOX_SIZE 12
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static NS_DEFINE_IID(kIRadioControlFrameIID, NS_IRADIOCONTROLFRAME_IID);
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nsresult
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NS_NewRadioControlFrame(nsIFrame** aNewFrame)
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{
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NS_PRECONDITION(aNewFrame, "null OUT ptr");
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if (nsnull == aNewFrame) {
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return NS_ERROR_NULL_POINTER;
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}
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nsRadioControlFrame* it = new nsRadioControlFrame;
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if (!it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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*aNewFrame = it;
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return NS_OK;
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}
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nsRadioControlFrame::nsRadioControlFrame()
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{
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// Initialize GFX-rendered state
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mChecked = PR_FALSE;
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mRadioButtonFaceStyle = nsnull;
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}
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nsRadioControlFrame::~nsRadioControlFrame()
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{
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NS_IF_RELEASE(mRadioButtonFaceStyle);
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}
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//--------------------------------------------------------------
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nsresult
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nsRadioControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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NS_PRECONDITION(0 != aInstancePtr, "null ptr");
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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(kIRadioControlFrameIID)) {
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*aInstancePtr = (void*) ((nsIRadioControlFrame*) this);
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return NS_OK;
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}
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return nsFormControlFrame::QueryInterface(aIID, aInstancePtr);
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}
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const nsIID&
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nsRadioControlFrame::GetIID()
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{
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return kIRadioIID;
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}
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const nsIID&
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nsRadioControlFrame::GetCID()
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{
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static NS_DEFINE_IID(kRadioCID, NS_RADIOBUTTON_CID);
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return kRadioCID;
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}
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NS_IMETHODIMP
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nsRadioControlFrame::ReResolveStyleContext(nsIPresContext* aPresContext,
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nsIStyleContext* aParentContext,
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PRInt32 aParentChange,
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nsStyleChangeList* aChangeList,
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PRInt32* aLocalChange)
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{
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// this re-resolves |mStyleContext|, so it may change
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nsresult rv = nsFormControlFrame::ReResolveStyleContext(aPresContext, aParentContext, aParentChange,
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aChangeList, aLocalChange);
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if (NS_FAILED(rv)) {
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return rv;
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}
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if (NS_COMFALSE != rv) { // frame style changed
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if (aLocalChange) {
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aParentChange = *aLocalChange; // tell children about or change
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}
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}
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// see if the outline has changed.
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nsCOMPtr<nsIStyleContext> oldRadioButtonFaceStyle = mRadioButtonFaceStyle;
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aPresContext->ProbePseudoStyleContextFor(mContent, nsHTMLAtoms::radioPseudo, mStyleContext,
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PR_FALSE,
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&mRadioButtonFaceStyle);
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if ((mRadioButtonFaceStyle && oldRadioButtonFaceStyle.get()) && (mRadioButtonFaceStyle != oldRadioButtonFaceStyle.get())) {
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nsFormControlFrame::CaptureStyleChangeFor(this, oldRadioButtonFaceStyle, mRadioButtonFaceStyle,
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aParentChange, aChangeList, aLocalChange);
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}
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return rv;
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}
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nscoord
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nsRadioControlFrame::GetRadioboxSize(float aPixToTwip) const
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{
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nsILookAndFeel * lookAndFeel;
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PRInt32 radioboxSize = 0;
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if (NS_OK == nsComponentManager::CreateInstance(kLookAndFeelCID, nsnull, kILookAndFeelIID, (void**)&lookAndFeel)) {
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lookAndFeel->GetMetric(nsILookAndFeel::eMetric_RadioboxSize, radioboxSize);
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NS_RELEASE(lookAndFeel);
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}
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if (radioboxSize == 0)
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radioboxSize = NS_DEFAULT_RADIOBOX_SIZE;
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return NSIntPixelsToTwips(radioboxSize, aPixToTwip);
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}
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void
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nsRadioControlFrame::GetDesiredSize(nsIPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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nsHTMLReflowMetrics& aDesiredLayoutSize,
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nsSize& aDesiredWidgetSize)
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{
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nsWidgetRendering mode;
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aPresContext->GetWidgetRenderingMode(&mode);
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if ((eWidgetRendering_Gfx == mode) || (eWidgetRendering_PartialGfx == mode)) {
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nsFormControlFrame::GetDesiredSize(aPresContext,aReflowState,aDesiredLayoutSize,
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aDesiredWidgetSize);
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} else {
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float p2t;
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aPresContext->GetScaledPixelsToTwips(&p2t);
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aDesiredWidgetSize.width = GetRadioboxSize(p2t);
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aDesiredWidgetSize.height = aDesiredWidgetSize.width;
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aDesiredLayoutSize.width = aDesiredWidgetSize.width;
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aDesiredLayoutSize.height = aDesiredWidgetSize.height;
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aDesiredLayoutSize.ascent = aDesiredLayoutSize.height;
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aDesiredLayoutSize.descent = 0;
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if (aDesiredLayoutSize.maxElementSize) {
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aDesiredLayoutSize.maxElementSize->width = aDesiredLayoutSize.width;
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aDesiredLayoutSize.maxElementSize->height = aDesiredLayoutSize.height;
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}
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}
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}
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void
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nsRadioControlFrame::PostCreateWidget(nsIPresContext* aPresContext, nscoord& aWidth, nscoord& aHeight)
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{
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// set the widget to the initial state
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PRBool checked = PR_FALSE;
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nsresult result = GetDefaultCheckState(&checked);
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if (NS_CONTENT_ATTR_HAS_VALUE == result) {
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if (PR_TRUE == checked)
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SetRadioControlFrameState(NS_STRING_TRUE);
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else
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SetRadioControlFrameState(NS_STRING_FALSE);
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}
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if (mWidget != nsnull) {
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const nsStyleColor* color =
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nsStyleUtil::FindNonTransparentBackground(mStyleContext);
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if (nsnull != color) {
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mWidget->SetBackgroundColor(color->mBackgroundColor);
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} else {
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mWidget->SetBackgroundColor(NS_RGB(0xFF, 0xFF, 0xFF));
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}
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mWidget->Enable(!nsFormFrame::GetDisabled(this));
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}
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}
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NS_IMETHODIMP
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nsRadioControlFrame::AttributeChanged(nsIPresContext* aPresContext,
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nsIContent* aChild,
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nsIAtom* aAttribute,
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PRInt32 aHint)
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{
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nsresult result = NS_OK;
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if (mWidget) {
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if (nsHTMLAtoms::checked == aAttribute) {
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nsIRadioButton* button = nsnull;
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result = mWidget->QueryInterface(kIRadioIID, (void**)&button);
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if ((NS_SUCCEEDED(result)) && (nsnull != button)) {
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PRBool checkedAttr = PR_TRUE;
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GetCurrentCheckState(&checkedAttr);
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PRBool checkedPrevState = PR_TRUE;
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button->GetState(checkedPrevState);
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if (checkedAttr != checkedPrevState) {
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button->SetState(checkedAttr);
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mFormFrame->OnRadioChecked(*this, checkedAttr);
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}
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NS_RELEASE(button);
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}
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}
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// Allow the base class to handle common attributes supported
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// by all form elements...
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else {
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result = nsFormControlFrame::AttributeChanged(aPresContext, aChild, aAttribute, aHint);
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}
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}
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return result;
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}
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void
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nsRadioControlFrame::MouseClicked(nsIPresContext* aPresContext)
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{
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SetRadioControlFrameState(NS_STRING_TRUE);
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if (mFormFrame) {
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// The form frame will determine which radio button needs
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// to be turned off and will call SetChecked on the
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// nsRadioControlFrame to unset the checked state
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mFormFrame->OnRadioChecked(*this);
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}
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}
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PRBool
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nsRadioControlFrame::GetChecked(PRBool aGetInitialValue)
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{
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PRBool checked = PR_FALSE;
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if (PR_TRUE == aGetInitialValue) {
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GetDefaultCheckState(&checked);
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}
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else {
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GetCurrentCheckState(&checked);
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}
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return(checked);
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}
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void
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nsRadioControlFrame::SetChecked(PRBool aValue, PRBool aSetInitialValue)
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{
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if (aSetInitialValue) {
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if (aValue) {
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mContent->SetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::checked, nsAutoString("1"), PR_FALSE); // XXX should be "empty" value
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} else {
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mContent->SetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::checked, nsAutoString("0"), PR_FALSE);
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}
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}
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if (PR_TRUE == aValue) {
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SetRadioControlFrameState(NS_STRING_TRUE);
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} else {
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SetRadioControlFrameState(NS_STRING_FALSE);
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}
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}
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PRBool
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nsRadioControlFrame::GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
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nsString* aValues, nsString* aNames)
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{
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nsAutoString name;
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nsresult result = GetName(&name);
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if ((aMaxNumValues <= 0) || (NS_CONTENT_ATTR_HAS_VALUE != result)) {
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return PR_FALSE;
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}
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PRBool state = PR_FALSE;
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if (nsnull == mWidget) {
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state = mChecked;
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} else {
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nsIRadioButton* radio = nsnull;
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if (mWidget && (NS_OK == mWidget->QueryInterface(kIRadioIID,(void**)&radio))) {
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radio->GetState(state);
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NS_RELEASE(radio);
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}
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}
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if(PR_TRUE != state) {
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return PR_FALSE;
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}
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nsAutoString value;
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result = GetValue(&value);
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if (NS_CONTENT_ATTR_HAS_VALUE == result) {
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aValues[0] = value;
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} else {
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aValues[0] = "on";
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}
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aNames[0] = name;
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aNumValues = 1;
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return PR_TRUE;
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}
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void
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nsRadioControlFrame::Reset()
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{
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PRBool checked = PR_TRUE;
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GetDefaultCheckState(&checked);
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SetCurrentCheckState(checked);
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}
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// CLASS nsRadioControlGroup
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nsRadioControlGroup::nsRadioControlGroup(nsString& aName)
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:mName(aName), mCheckedRadio(nsnull)
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{
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}
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nsRadioControlGroup::~nsRadioControlGroup()
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{
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mCheckedRadio = nsnull;
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}
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PRInt32
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nsRadioControlGroup::GetRadioCount() const
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{
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return mRadios.Count();
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}
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nsRadioControlFrame*
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nsRadioControlGroup::GetRadioAt(PRInt32 aIndex) const
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{
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return (nsRadioControlFrame*) mRadios.ElementAt(aIndex);
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}
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PRBool
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nsRadioControlGroup::AddRadio(nsRadioControlFrame* aRadio)
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{
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return mRadios.AppendElement(aRadio);
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}
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PRBool
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nsRadioControlGroup::RemoveRadio(nsRadioControlFrame* aRadio)
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{
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return mRadios.RemoveElement(aRadio);
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}
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nsRadioControlFrame*
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nsRadioControlGroup::GetCheckedRadio()
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{
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return mCheckedRadio;
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}
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void
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nsRadioControlGroup::SetCheckedRadio(nsRadioControlFrame* aRadio)
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{
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mCheckedRadio = aRadio;
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}
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void
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nsRadioControlGroup::GetName(nsString& aNameResult) const
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{
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aNameResult = mName;
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}
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NS_IMETHODIMP
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nsRadioControlFrame::GetFrameName(nsString& aResult) const
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{
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return MakeFrameName("RadioControl", aResult);
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}
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NS_IMETHODIMP
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nsRadioControlFrame::SetRadioButtonFaceStyleContext(nsIStyleContext *aRadioButtonFaceStyleContext)
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{
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mRadioButtonFaceStyle = aRadioButtonFaceStyleContext;
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NS_ADDREF(mRadioButtonFaceStyle);
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return NS_OK;
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}
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void
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nsRadioControlFrame::PaintRadioButton(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect)
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{
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PRBool checked = PR_TRUE;
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GetCurrentCheckState(&checked); // Get check state from the content model
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if (PR_TRUE == checked) {
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// Paint the button for the radio button using CSS background rendering code
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if (nsnull != mRadioButtonFaceStyle) {
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const nsStyleColor* myColor = (const nsStyleColor*)
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mRadioButtonFaceStyle->GetStyleData(eStyleStruct_Color);
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const nsStyleSpacing* mySpacing = (const nsStyleSpacing*)
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mRadioButtonFaceStyle->GetStyleData(eStyleStruct_Spacing);
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const nsStylePosition* myPosition = (const nsStylePosition*)
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mRadioButtonFaceStyle->GetStyleData(eStyleStruct_Position);
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nscoord width = myPosition->mWidth.GetCoordValue();
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nscoord height = myPosition->mHeight.GetCoordValue();
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// Position the button centered within the radio control's rectangle.
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nscoord x = (mRect.width - width) / 2;
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nscoord y = (mRect.height - height) / 2;
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nsRect rect(x, y, width, height);
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nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, this,
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aDirtyRect, rect, *myColor, *mySpacing, 0, 0);
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nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this,
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aDirtyRect, rect, *mySpacing, mRadioButtonFaceStyle, 0);
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}
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}
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}
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NS_METHOD
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nsRadioControlFrame::Paint(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer)
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{
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const nsStyleDisplay* disp = (const nsStyleDisplay*)
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mStyleContext->GetStyleData(eStyleStruct_Display);
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if (!disp->mVisible)
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return NS_OK;
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// Paint the background
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nsFormControlFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
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if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) {
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PaintRadioButton(aPresContext, aRenderingContext, aDirtyRect);
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}
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return NS_OK;
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}
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NS_METHOD
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nsRadioControlFrame::HandleEvent(nsIPresContext& aPresContext,
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nsGUIEvent* aEvent,
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nsEventStatus& aEventStatus)
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{
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if (nsEventStatus_eConsumeNoDefault == aEventStatus) {
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return NS_OK;
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}
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switch(aEvent->message) {
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case NS_KEY_PRESS:
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if (NS_KEY_EVENT == aEvent->eventStructType) {
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nsKeyEvent* keyEvent = (nsKeyEvent*)aEvent;
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if (NS_VK_SPACE == keyEvent->keyCode || NS_VK_RETURN == keyEvent->keyCode) {
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MouseClicked(&aPresContext);
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}
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}
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break;
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default:
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break;
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}
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return(nsFormControlFrame::HandleEvent(aPresContext, aEvent, aEventStatus));
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}
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void nsRadioControlFrame::GetRadioControlFrameState(nsString& aValue)
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{
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if (nsnull != mWidget) {
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nsIRadioButton* radio = nsnull;
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if (NS_OK == mWidget->QueryInterface(kIRadioIID,(void**)&radio)) {
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PRBool state = PR_FALSE;
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radio->GetState(state);
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nsFormControlHelper::GetBoolString(state, aValue);
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NS_RELEASE(radio);
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}
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}
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else {
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// Get the state for GFX-rendered widgets
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nsFormControlHelper::GetBoolString(mChecked, aValue);
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}
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}
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void nsRadioControlFrame::SetRadioControlFrameState(const nsString& aValue)
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{
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if (nsnull != mWidget) {
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nsIRadioButton* radio = nsnull;
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if (NS_OK == mWidget->QueryInterface(kIRadioIID,(void**)&radio)) {
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if (aValue == NS_STRING_TRUE)
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radio->SetState(PR_TRUE);
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|
else
|
|
radio->SetState(PR_FALSE);
|
|
|
|
NS_RELEASE(radio);
|
|
}
|
|
}
|
|
else {
|
|
// Set the state for GFX-rendered widgets
|
|
mChecked = nsFormControlHelper::GetBool(aValue);
|
|
nsFormControlHelper::ForceDrawFrame(this);
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP nsRadioControlFrame::SetProperty(nsIAtom* aName, const nsString& aValue)
|
|
{
|
|
if (nsHTMLAtoms::checked == aName) {
|
|
SetRadioControlFrameState(NS_STRING_TRUE);
|
|
if (mFormFrame) {
|
|
PRBool state = (aValue == NS_STRING_TRUE) ? PR_TRUE : PR_FALSE;
|
|
mFormFrame->OnRadioChecked(*this, state);
|
|
}
|
|
}
|
|
else {
|
|
return nsFormControlFrame::SetProperty(aName, aValue);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP nsRadioControlFrame::GetProperty(nsIAtom* aName, nsString& aValue)
|
|
{
|
|
// Return the value of the property from the widget it is not null.
|
|
// If is null, assume the widget is GFX-rendered and return a member variable instead.
|
|
|
|
if (nsHTMLAtoms::checked == aName) {
|
|
GetRadioControlFrameState(aValue);
|
|
}
|
|
else {
|
|
return nsFormControlFrame::GetProperty(aName, aValue);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
nsresult nsRadioControlFrame::RequiresWidget(PRBool& aRequiresWidget)
|
|
{
|
|
aRequiresWidget = PR_FALSE;
|
|
return NS_OK;
|
|
}
|