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585 lines
16 KiB
C++
585 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 "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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#include "nsCSSRendering.h"
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#include "nsIDeviceContext.h"
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#include "nsIFontMetrics.h"
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#ifdef SingleSignon
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#include "nsIDocument.h"
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#include "prmem.h"
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#include "nsIURL.h"
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#include "nsINetService.h"
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#include "nsIServiceManager.h"
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static NS_DEFINE_IID(kINetServiceIID, NS_INETSERVICE_IID);
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static NS_DEFINE_IID(kNetServiceCID, NS_NETSERVICE_CID);
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#endif
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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(nsIFrame*& aResult)
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{
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aResult = new nsTextControlFrame;
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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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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)(95 * 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 event;
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event.eventStructType = NS_EVENT;
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event.message = NS_FORM_SUBMIT;
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mContent->HandleDOMEvent(aPresContext, &event, 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 nsHTMLReflowState& aReflowState,
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nsHTMLReflowMetrics& aDesiredLayoutSize,
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nsSize& aDesiredWidgetSize)
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{
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nsCompatibility mode;
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aPresContext->GetCompatibilityMode(mode);
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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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//if (eCompatibility_NavQuirks == mode) {
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// width += 1;
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//}
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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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aReflowState.rendContext);
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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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aReflowState.rendContext);
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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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PRBool readOnly = nsFormFrame::GetReadonly(this);
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if ((NS_FORM_INPUT_PASSWORD == type) || readOnly) {
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data = new nsTextWidgetInitData();
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data->mIsPassword = PR_FALSE;
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data->mIsReadOnly = PR_FALSE;
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if (NS_FORM_INPUT_PASSWORD == type) {
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data->clipChildren = PR_TRUE;
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data->mIsPassword = PR_TRUE;
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}
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if (readOnly) {
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data->mIsReadOnly = PR_TRUE;
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}
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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) || (NS_FORM_INPUT_PASSWORD == type)) {
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nsIDOMHTMLInputElement* textElem = nsnull;
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result = mContent->QueryInterface(kIDOMHTMLInputElementIID, (void**)&textElem);
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if ((NS_OK == result) && textElem) {
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result = textElem->GetDefaultValue(*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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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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NS_IMETHODIMP
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nsTextControlFrame::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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PRInt32 type;
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GetType(&type);
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if (mWidget) {
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nsITextWidget* text = nsnull;
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result = mWidget->QueryInterface(kITextWidgetIID, (void**)&text);
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if ((NS_SUCCEEDED(result)) && (nsnull != text)) {
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if (nsHTMLAtoms::value == aAttribute) {
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nsString value;
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nsresult result = GetText(&value);
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PRUint32 ignore;
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text->SetText(value, ignore);
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nsFormFrame::StyleChangeReflow(aPresContext, this);
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} else if (nsHTMLAtoms::size == aAttribute) {
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nsFormFrame::StyleChangeReflow(aPresContext, this);
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} else if (nsHTMLAtoms::maxlength == aAttribute) {
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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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}
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NS_RELEASE(text);
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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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nscoord& aWidth,
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nscoord& aHeight)
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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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nsFont font(aPresContext->GetDefaultFixedFont());
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GetFont(aPresContext, font);
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mWidget->SetFont(font);
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SetColors(*aPresContext);
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PRUint32 ignore;
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nsAutoString 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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#ifdef SingleSignon
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/* get name of text */
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nsAutoString name;
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GetName(&name);
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/* get url name */
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char *URLName;
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nsIURL* docURL = nsnull;
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nsIDocument* doc = nsnull;
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mContent->GetDocument(doc);
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if (nsnull != doc) {
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docURL = doc->GetDocumentURL();
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NS_RELEASE(doc);
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URLName = (char*)PR_Malloc(PL_strlen(docURL->GetSpec())+1);
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PL_strcpy(URLName, docURL->GetSpec());
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NS_RELEASE(docURL);
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}
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/* invoke single-signon to get previously-used value of text */
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nsINetService *service;
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nsresult res = nsServiceManager::GetService(kNetServiceCID,
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kINetServiceIID,
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(nsISupports **)&service);
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if ((NS_OK == res) && (nsnull != service)) {
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char* valueString = NULL;
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res = service->SI_RestoreSignonData(URLName, name.ToNewCString(), &valueString);
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NS_RELEASE(service);
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if (valueString && *valueString) {
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value = nsAutoString(valueString);
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} else {
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GetText(&value);
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}
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}
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#else
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GetText(&value);
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#endif
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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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NS_RELEASE(textArea);
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}
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if (nsFormFrame::GetDisabled(this)) {
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mWidget->Enable(PR_FALSE);
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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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NS_IMETHODIMP
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nsTextControlFrame::GetCursor(nsIPresContext& aPresContext, nsPoint& aPoint, PRInt32& aCursor)
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{
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/*const nsStyleColor* styleColor;
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GetStyleData(eStyleStruct_Color, (const nsStyleStruct*&)styleColor);
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aCursor = styleColor->mCursor;*/
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//XXX This is wrong, should be through style.
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aCursor = NS_STYLE_CURSOR_TEXT;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsTextControlFrame::GetFrameName(nsString& aResult) const
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{
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return MakeFrameName("TextControl", aResult);
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}
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void nsTextControlFrame::GetCurrentText(nsString & aText)
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{
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nsIDOMHTMLInputElement* inputElement;
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if (NS_OK == mContent->QueryInterface(kIDOMHTMLInputElementIID, (void**)&inputElement)) {
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inputElement->GetValue(aText);
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NS_RELEASE(inputElement);
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}
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}
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void
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nsTextControlFrame::PaintTextControl(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect)
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{
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#ifdef XP_PC
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aRenderingContext.PushState();
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nsFormControlFrame::Paint(aPresContext, aRenderingContext, aDirtyRect);
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const nsStyleSpacing* spacing =
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(const nsStyleSpacing*)mStyleContext->GetStyleData(eStyleStruct_Spacing);
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nsMargin border;
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spacing->CalcBorderFor(this, border);
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float p2t;
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aPresContext.GetScaledPixelsToTwips(p2t);
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nscoord onePixel = NSIntPixelsToTwips(1, p2t);
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nsRect outside(0, 0, mRect.width, mRect.height);
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outside.Deflate(border);
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outside.Deflate(onePixel, onePixel);
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nsRect inside(outside);
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inside.Deflate(onePixel, onePixel);
|
|
|
|
/*if (mGotFocus) { // draw dashed line to indicate selection, XXX don't calc rect every time
|
|
PRUint8 borderStyles[4];
|
|
nscolor borderColors[4];
|
|
nscolor black = NS_RGB(0,0,0);
|
|
for (PRInt32 i = 0; i < 4; i++) {
|
|
borderStyles[i] = NS_STYLE_BORDER_STYLE_DOTTED;
|
|
borderColors[i] = black;
|
|
}
|
|
nsCSSRendering::DrawDashedSides(0, aRenderingContext, borderStyles, borderColors, outside,
|
|
inside, PR_FALSE, nsnull);
|
|
}*/
|
|
|
|
float appUnits;
|
|
float devUnits;
|
|
float scale;
|
|
nsIDeviceContext * context;
|
|
aRenderingContext.GetDeviceContext(context);
|
|
|
|
context->GetCanonicalPixelScale(scale);
|
|
context->GetAppUnitsToDevUnits(devUnits);
|
|
context->GetDevUnitsToAppUnits(appUnits);
|
|
|
|
//aRenderingContext.SetColor(NS_RGB(192,192,192));
|
|
//aRenderingContext.FillRect(inside);
|
|
|
|
aRenderingContext.SetColor(NS_RGB(0,0,0));
|
|
|
|
nsFont font(aPresContext.GetDefaultFixedFont());
|
|
GetFont(&aPresContext, font);
|
|
|
|
aRenderingContext.SetFont(font);
|
|
|
|
nscoord textWidth;
|
|
nscoord textHeight;
|
|
nsString text;
|
|
GetCurrentText(text);
|
|
aRenderingContext.GetWidth(text, textWidth);
|
|
|
|
nsIFontMetrics* metrics;
|
|
context->GetMetricsFor(font, metrics);
|
|
metrics->GetHeight(textHeight);
|
|
|
|
nscoord x = inside.x + onePixel + onePixel;
|
|
nscoord y = ((inside.height - textHeight) / 2) + inside.y;
|
|
|
|
aRenderingContext.DrawString(text, x, y, 0);
|
|
NS_RELEASE(context);
|
|
|
|
PRBool status;
|
|
aRenderingContext.PopState(status);
|
|
#endif
|
|
}
|
|
|
|
NS_METHOD
|
|
nsTextControlFrame::Paint(nsIPresContext& aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect)
|
|
{
|
|
#ifdef XP_PC
|
|
PaintTextControl(aPresContext, aRenderingContext, aDirtyRect);
|
|
#endif
|
|
return NS_OK;
|
|
}
|