Converted forms to use the new content model classes and better separate content from layout.
This commit is contained in:
karnaze@netscape.com
374
layout/forms/nsTextControlFrame.cpp
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374
layout/forms/nsTextControlFrame.cpp
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/* -*- 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 "nsTextControlFrame.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 "nsITextWidget.h"
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#include "nsITextAreaWidget.h"
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#include "nsWidgetsCID.h"
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#include "nsSize.h"
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#include "nsString.h"
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#include "nsHTMLAtoms.h"
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#include "nsIStyleContext.h"
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#include "nsFont.h"
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#include "nsDOMEvent.h"
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#include "nsIFormControl.h"
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#include "nsFormFrame.h"
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#include "nsIContent.h"
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#include "nsIDOMHTMLInputElement.h"
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#include "nsIDOMHTMLTextAreaElement.h"
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static NS_DEFINE_IID(kIFormControlIID, NS_IFORMCONTROL_IID);
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static NS_DEFINE_IID(kTextCID, NS_TEXTFIELD_CID);
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static NS_DEFINE_IID(kTextAreaCID, NS_TEXTAREA_CID);
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static NS_DEFINE_IID(kITextWidgetIID, NS_ITEXTWIDGET_IID);
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static NS_DEFINE_IID(kITextAreaWidgetIID, NS_ITEXTAREAWIDGET_IID);
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static NS_DEFINE_IID(kIDOMHTMLTextAreaElementIID, NS_IDOMHTMLTEXTAREAELEMENT_IID);
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static NS_DEFINE_IID(kIDOMHTMLInputElementIID, NS_IDOMHTMLINPUTELEMENT_IID);
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nsresult
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NS_NewTextControlFrame(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame*& aResult)
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{
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aResult = new nsTextControlFrame(aContent, aParent);
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if (nsnull == aResult) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return NS_OK;
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}
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nsTextControlFrame::nsTextControlFrame(nsIContent* aContent,
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nsIFrame* aParentFrame)
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: nsFormControlFrame(aContent, aParentFrame)
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{
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}
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nsTextControlFrame::~nsTextControlFrame()
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{
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}
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nscoord
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nsTextControlFrame::GetVerticalBorderWidth(float aPixToTwip) const
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{
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return NSIntPixelsToTwips(4, aPixToTwip);
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}
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nscoord
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nsTextControlFrame::GetHorizontalBorderWidth(float aPixToTwip) const
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{
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return GetVerticalBorderWidth(aPixToTwip);
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}
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// for a text area aInnerHeight is the height of one line
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nscoord
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nsTextControlFrame::GetVerticalInsidePadding(float aPixToTwip,
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nscoord aInnerHeight) const
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{
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#ifdef XP_PC
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PRInt32 type;
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GetType(&type);
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if (NS_FORM_TEXTAREA == type) {
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return (nscoord)NSToIntRound(float(aInnerHeight) * 0.40f);
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} else {
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return (nscoord)NSToIntRound(float(aInnerHeight) * 0.25f);
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}
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#endif
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#ifdef XP_UNIX
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return NSIntPixelsToTwips(10, aPixToTwip); // XXX this is probably wrong
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#endif
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}
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nscoord
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nsTextControlFrame::GetHorizontalInsidePadding(nsIPresContext& aPresContext,
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float aPixToTwip,
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nscoord aInnerWidth,
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nscoord aCharWidth) const
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{
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#ifdef XP_PC
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nscoord padding;
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PRInt32 type;
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GetType(&type);
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if (NS_FORM_TEXTAREA == type) {
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padding = (nscoord)(40 * aCharWidth / 100);
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} else {
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padding = (nscoord)(55 * aCharWidth / 100);
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}
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nscoord min = NSIntPixelsToTwips(3, aPixToTwip);
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if (padding > min) {
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return padding;
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} else {
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return min;
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}
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#endif
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#ifdef XP_UNIX
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return NSIntPixelsToTwips(6, aPixToTwip); // XXX this is probably wrong
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#endif
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}
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const nsIID&
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nsTextControlFrame::GetIID()
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{
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PRInt32 type;
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GetType(&type);
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if (NS_FORM_TEXTAREA == type) {
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return kITextAreaWidgetIID;
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} else {
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return kITextWidgetIID;
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}
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}
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const nsIID&
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nsTextControlFrame::GetCID()
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{
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PRInt32 type;
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GetType(&type);
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if (NS_FORM_TEXTAREA == type) {
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return kTextAreaCID;
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} else {
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return kTextCID;
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}
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}
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void
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nsTextControlFrame::EnterPressed(nsIPresContext& aPresContext)
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{
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if (mFormFrame && mFormFrame->CanSubmit(*this)) {
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nsEventStatus mStatus = nsEventStatus_eIgnore;
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nsEvent mEvent;
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mEvent.eventStructType = NS_EVENT;
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mEvent.message = NS_FORM_SUBMIT;
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mContent->HandleDOMEvent(aPresContext, &mEvent, nsnull, DOM_EVENT_INIT, mStatus);
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mFormFrame->OnSubmit(&aPresContext, this);
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}
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}
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void
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nsTextControlFrame::GetDesiredSize(nsIPresContext* aPresContext,
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const nsReflowState& aReflowState,
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nsReflowMetrics& aDesiredLayoutSize,
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nsSize& aDesiredWidgetSize)
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{
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// get the css size and let the frame use or override it
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nsSize styleSize;
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GetStyleSize(*aPresContext, aReflowState, styleSize);
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nsSize size;
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PRBool widthExplicit, heightExplicit;
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PRInt32 ignore;
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PRInt32 type;
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GetType(&type);
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if ((NS_FORM_INPUT_TEXT == type) || (NS_FORM_INPUT_PASSWORD == type)) {
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PRInt32 width;
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if (NS_CONTENT_ATTR_HAS_VALUE != GetSize(&width)) {
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width = 20;
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}
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// Nav Quirk!!
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width += 1;
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nsInputDimensionSpec textSpec(nsnull, PR_FALSE, nsnull,
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nsnull, width, PR_FALSE, nsnull, 1);
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CalculateSize(aPresContext, this, styleSize, textSpec, size,
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widthExplicit, heightExplicit, ignore);
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} else {
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nsInputDimensionSpec areaSpec(nsHTMLAtoms::cols, PR_FALSE, nsnull, nsnull, 20,
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PR_FALSE, nsHTMLAtoms::rows, 1);
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CalculateSize(aPresContext, this, styleSize, areaSpec, size,
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widthExplicit, heightExplicit, ignore);
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}
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if (NS_FORM_TEXTAREA == type) {
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float p2t = aPresContext->GetPixelsToTwips();
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nscoord scrollbarWidth = GetScrollbarWidth(p2t);
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if (!heightExplicit) {
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size.height += scrollbarWidth;
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}
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if (!widthExplicit) {
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size.width += scrollbarWidth;
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}
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}
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aDesiredLayoutSize.width = size.width;
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aDesiredLayoutSize.height = size.height;
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aDesiredLayoutSize.ascent = aDesiredLayoutSize.height;
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aDesiredLayoutSize.descent = 0;
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aDesiredWidgetSize.width = aDesiredLayoutSize.width;
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aDesiredWidgetSize.height = aDesiredLayoutSize.height;
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}
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nsWidgetInitData*
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nsTextControlFrame::GetWidgetInitData(nsIPresContext& aPresContext)
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{
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PRInt32 type;
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GetType(&type);
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nsTextWidgetInitData* data = nsnull;
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if (NS_FORM_INPUT_PASSWORD == type) {
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data = new nsTextWidgetInitData();
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data->clipChildren = PR_TRUE;
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data->mIsPassword = PR_TRUE;
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}
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return data;
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}
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NS_IMETHODIMP
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nsTextControlFrame::GetText(nsString* aText)
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{
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nsresult result = NS_CONTENT_ATTR_NOT_THERE;
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PRInt32 type;
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GetType(&type);
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if (NS_FORM_INPUT_TEXT == type) {
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nsIDOMHTMLInputElement* textElem = nsnull;
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nsresult result = mContent->QueryInterface(kIDOMHTMLInputElementIID, (void**)&textElem);
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if ((NS_OK == result) && textElem) {
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result = textElem->GetValue(*aText);
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NS_RELEASE(textElem);
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}
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} else {
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nsIDOMHTMLTextAreaElement* textArea = nsnull;
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nsresult result = mContent->QueryInterface(kIDOMHTMLTextAreaElementIID, (void**)&textArea);
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if ((NS_OK == result) && textArea) {
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result = textArea->GetDefaultValue(*aText);
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NS_RELEASE(textArea);
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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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nsTextControlFrame::PostCreateWidget(nsIPresContext* aPresContext)
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{
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if (!mWidget) {
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return;
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}
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PRInt32 type;
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GetType(&type);
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const nsStyleFont* fontStyle = (const nsStyleFont*)(mStyleContext->GetStyleData(eStyleStruct_Font));
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mWidget->SetFont(fontStyle->mFixedFont);
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mWidget->SetBackgroundColor(NS_RGB(0xFF, 0xFF, 0xFF));
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PRUint32 ignore;
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nsAutoString value;
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GetText(&value);
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nsITextAreaWidget* textArea = nsnull;
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nsITextWidget* text = nsnull;
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if (NS_OK == mWidget->QueryInterface(kITextWidgetIID,(void**)&text)) {
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text->SetText(value, ignore);
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PRInt32 maxLength;
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nsresult result = GetMaxLength(&maxLength);
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if (NS_CONTENT_ATTR_NOT_THERE != result) {
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text->SetMaxTextLength(maxLength);
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}
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NS_RELEASE(text);
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} else if (NS_OK == mWidget->QueryInterface(kITextAreaWidgetIID,(void**)&textArea)) {
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textArea->SetText(value, ignore);
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mWidget->SetBackgroundColor(NS_RGB(0xFF, 0xFF, 0xFF));
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NS_RELEASE(textArea);
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}
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}
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PRInt32
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nsTextControlFrame::GetMaxNumValues()
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{
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return 1;
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}
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PRBool
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nsTextControlFrame::GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
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nsString* aValues, nsString* aNames)
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{
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if (!mWidget) {
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return PR_FALSE;
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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_NOT_THERE == result)) {
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return PR_FALSE;
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}
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PRUint32 size;
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nsITextWidget* text = nsnull;
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nsITextAreaWidget* textArea = nsnull;
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aNames[0] = name;
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aNumValues = 1;
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if (NS_OK == mWidget->QueryInterface(kITextWidgetIID,(void**)&text)) {
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text->GetText(aValues[0],0,size); // the last parm is not used
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NS_RELEASE(text);
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return PR_TRUE;
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} else if (NS_OK == mWidget->QueryInterface(kITextAreaWidgetIID,(void**)&textArea)) {
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textArea->GetText(aValues[0],0,size); // the last parm is not used
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NS_RELEASE(textArea);
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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void
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nsTextControlFrame::Reset()
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{
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if (!mWidget) {
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return;
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}
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nsITextWidget* text = nsnull;
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nsITextAreaWidget* textArea = nsnull;
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nsAutoString value;
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nsresult valStatus = GetText(&value);
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PRUint32 size;
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if (NS_OK == mWidget->QueryInterface(kITextWidgetIID,(void**)&text)) {
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if (NS_CONTENT_ATTR_HAS_VALUE == valStatus) {
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text->SetText(value,size);
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} else {
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text->SetText("",size);
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}
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NS_RELEASE(text);
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} else if (NS_OK == mWidget->QueryInterface(kITextAreaWidgetIID,(void**)&textArea)) {
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if (NS_CONTENT_ATTR_HAS_VALUE == valStatus) {
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textArea->SetText(value,size);
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} else {
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textArea->SetText("",size);
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}
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NS_RELEASE(textArea);
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}
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}
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