/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- * * The contents of this file are subject to the Netscape Public License * Version 1.0 (the "NPL"); you may not use this file except in * compliance with the NPL. You may obtain a copy of the NPL at * http://www.mozilla.org/NPL/ * * Software distributed under the NPL is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL * for the specific language governing rights and limitations under the * NPL. * * The Initial Developer of this code under the NPL is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All Rights * Reserved. */ #include "nsTextControlFrame.h" #include "nsIContent.h" #include "prtypes.h" #include "nsIFrame.h" #include "nsISupports.h" #include "nsIAtom.h" #include "nsIPresContext.h" #include "nsIHTMLContent.h" #include "nsHTMLIIDs.h" #include "nsITextWidget.h" #include "nsITextAreaWidget.h" #include "nsWidgetsCID.h" #include "nsSize.h" #include "nsString.h" #include "nsHTMLAtoms.h" #include "nsIStyleContext.h" #include "nsFont.h" #include "nsDOMEvent.h" #include "nsIFormControl.h" #include "nsFormFrame.h" #include "nsIContent.h" #include "nsIDOMHTMLInputElement.h" #include "nsIDOMHTMLTextAreaElement.h" #include "nsCSSRendering.h" #include "nsIDeviceContext.h" #include "nsIFontMetrics.h" #include "nsILookAndFeel.h" #include "nsRepository.h" #ifdef SingleSignon #include "nsIDocument.h" #include "prmem.h" #include "nsIURL.h" #include "nsINetService.h" #include "nsIServiceManager.h" static NS_DEFINE_IID(kINetServiceIID, NS_INETSERVICE_IID); static NS_DEFINE_IID(kNetServiceCID, NS_NETSERVICE_CID); #endif static NS_DEFINE_IID(kIFormControlIID, NS_IFORMCONTROL_IID); static NS_DEFINE_IID(kTextCID, NS_TEXTFIELD_CID); static NS_DEFINE_IID(kTextAreaCID, NS_TEXTAREA_CID); static NS_DEFINE_IID(kITextWidgetIID, NS_ITEXTWIDGET_IID); static NS_DEFINE_IID(kITextAreaWidgetIID, NS_ITEXTAREAWIDGET_IID); static NS_DEFINE_IID(kIDOMHTMLTextAreaElementIID, NS_IDOMHTMLTEXTAREAELEMENT_IID); static NS_DEFINE_IID(kIDOMHTMLInputElementIID, NS_IDOMHTMLINPUTELEMENT_IID); static NS_DEFINE_IID(kLookAndFeelCID, NS_LOOKANDFEEL_CID); static NS_DEFINE_IID(kILookAndFeelIID, NS_ILOOKANDFEEL_IID); nsresult NS_NewTextControlFrame(nsIFrame*& aResult) { aResult = new nsTextControlFrame; if (nsnull == aResult) { return NS_ERROR_OUT_OF_MEMORY; } return NS_OK; } nscoord nsTextControlFrame::GetVerticalBorderWidth(float aPixToTwip) const { return NSIntPixelsToTwips(4, aPixToTwip); } nscoord nsTextControlFrame::GetHorizontalBorderWidth(float aPixToTwip) const { return GetVerticalBorderWidth(aPixToTwip); } // for a text area aInnerHeight is the height of one line nscoord nsTextControlFrame::GetVerticalInsidePadding(float aPixToTwip, nscoord aInnerHeight) const { // XXX NOTE: the enums eMetric_TextShouldUseVerticalInsidePadding and eMetric_TextVerticalInsidePadding // are ONLY needed because GTK is not using the "float" padding values and wants to only use an // integer value for the padding instead of calculating like the other platforms. // // If GTK decides to start calculating the value, PLEASE remove these two enum from nsILookAndFeel and // all the platforms nsLookAndFeel impementations so we don't have these extra values remaining in the code. // The two enums are: // eMetric_TextVerticalInsidePadding // eMetric_TextShouldUseVerticalInsidePadding // float padTextArea; float padTextField; PRInt32 vertPad; PRInt32 shouldUseVertPad; nsILookAndFeel * lookAndFeel; if (NS_OK == nsRepository::CreateInstance(kLookAndFeelCID, nsnull, kILookAndFeelIID, (void**)&lookAndFeel)) { lookAndFeel->GetMetric(nsILookAndFeel::eMetricFloat_TextAreaVerticalInsidePadding, padTextArea); lookAndFeel->GetMetric(nsILookAndFeel::eMetricFloat_TextFieldVerticalInsidePadding, padTextField); // These two (below) are really only needed for GTK lookAndFeel->GetMetric(nsILookAndFeel::eMetric_TextVerticalInsidePadding, vertPad); lookAndFeel->GetMetric(nsILookAndFeel::eMetric_TextShouldUseVerticalInsidePadding, shouldUseVertPad); NS_RELEASE(lookAndFeel); } if (1 == shouldUseVertPad) { return NSIntPixelsToTwips(vertPad, aPixToTwip); // XXX this is probably wrong (for GTK) } else { PRInt32 type; GetType(&type); if (NS_FORM_TEXTAREA == type) { return (nscoord)NSToIntRound(float(aInnerHeight) * padTextArea); } else { return (nscoord)NSToIntRound(float(aInnerHeight) * padTextField); } } } nscoord nsTextControlFrame::GetHorizontalInsidePadding(nsIPresContext& aPresContext, float aPixToTwip, nscoord aInnerWidth, nscoord aCharWidth) const { // XXX NOTE: the enum eMetric_TextShouldUseHorizontalInsideMinimumPadding // is ONLY needed because GTK is not using the "float" padding values and wants to only use the // "minimum" integer value for the padding instead of calculating and comparing like the other platforms. // // If GTK decides to start calculating and comparing the values, // PLEASE remove these the enum from nsILookAndFeel and // all the platforms nsLookAndFeel impementations so we don't have these extra values remaining in the code. // The enum is: // eMetric_TextShouldUseHorizontalInsideMinimumPadding // float padTextField; float padTextArea; PRInt32 padMinText; PRInt32 shouldUsePadMinText; nsILookAndFeel * lookAndFeel; if (NS_OK == nsRepository::CreateInstance(kLookAndFeelCID, nsnull, kILookAndFeelIID, (void**)&lookAndFeel)) { lookAndFeel->GetMetric(nsILookAndFeel::eMetricFloat_TextFieldHorizontalInsidePadding, padTextField); lookAndFeel->GetMetric(nsILookAndFeel::eMetricFloat_TextAreaHorizontalInsidePadding, padTextArea); lookAndFeel->GetMetric(nsILookAndFeel::eMetric_TextHorizontalInsideMinimumPadding, padMinText); // This one (below) is really only needed for GTK lookAndFeel->GetMetric(nsILookAndFeel::eMetric_TextShouldUseHorizontalInsideMinimumPadding, shouldUsePadMinText); NS_RELEASE(lookAndFeel); } nscoord padding; PRInt32 type; GetType(&type); if (NS_FORM_TEXTAREA == type) { padding = (nscoord)(aCharWidth * padTextArea); } else { padding = (nscoord)(aCharWidth * padTextField); } nscoord min = NSIntPixelsToTwips(padMinText, aPixToTwip); if (padding > min && (1 == shouldUsePadMinText)) { return padding; } else { return min; } } const nsIID& nsTextControlFrame::GetIID() { PRInt32 type; GetType(&type); if (NS_FORM_TEXTAREA == type) { return kITextAreaWidgetIID; } else { return kITextWidgetIID; } } const nsIID& nsTextControlFrame::GetCID() { PRInt32 type; GetType(&type); if (NS_FORM_TEXTAREA == type) { return kTextAreaCID; } else { return kTextCID; } } void nsTextControlFrame::EnterPressed(nsIPresContext& aPresContext) { if (mFormFrame && mFormFrame->CanSubmit(*this)) { nsIContent *formContent = nsnull; mFormFrame->GetContent(formContent); if (nsnull != formContent) { nsEvent event; nsEventStatus status = nsEventStatus_eIgnore; event.eventStructType = NS_EVENT; event.message = NS_FORM_SUBMIT; formContent->HandleDOMEvent(aPresContext, &event, nsnull, DOM_EVENT_INIT, status); NS_RELEASE(formContent); } mFormFrame->OnSubmit(&aPresContext, this); } } void nsTextControlFrame::GetDesiredSize(nsIPresContext* aPresContext, const nsHTMLReflowState& aReflowState, nsHTMLReflowMetrics& aDesiredLayoutSize, nsSize& aDesiredWidgetSize) { nsCompatibility mode; aPresContext->GetCompatibilityMode(mode); // get the css size and let the frame use or override it nsSize styleSize; GetStyleSize(*aPresContext, aReflowState, styleSize); nsSize size; PRBool widthExplicit, heightExplicit; PRInt32 ignore; PRInt32 type; GetType(&type); if ((NS_FORM_INPUT_TEXT == type) || (NS_FORM_INPUT_PASSWORD == type)) { PRInt32 width; if (NS_CONTENT_ATTR_HAS_VALUE != GetSize(&width)) { width = 20; } //if (eCompatibility_NavQuirks == mode) { // width += 1; //} nsInputDimensionSpec textSpec(nsnull, PR_FALSE, nsnull, nsnull, width, PR_FALSE, nsnull, 1); CalculateSize(aPresContext, this, styleSize, textSpec, size, widthExplicit, heightExplicit, ignore, aReflowState.rendContext); } else { nsInputDimensionSpec areaSpec(nsHTMLAtoms::cols, PR_FALSE, nsnull, nsnull, 20, PR_FALSE, nsHTMLAtoms::rows, 1); CalculateSize(aPresContext, this, styleSize, areaSpec, size, widthExplicit, heightExplicit, ignore, aReflowState.rendContext); } if (NS_FORM_TEXTAREA == type) { nscoord scrollbarWidth = 0; nscoord scrollbarHeight = 0; float scale; float p2t = aPresContext->GetPixelsToTwips(); nsIDeviceContext* dx = nsnull; dx = aPresContext->GetDeviceContext(); if (nsnull != dx) { float sbWidth; float sbHeight; dx->GetCanonicalPixelScale(scale); dx->GetScrollBarDimensions(sbWidth, sbHeight); scrollbarWidth = PRInt32(sbWidth * scale); scrollbarHeight = PRInt32(sbHeight * scale); NS_RELEASE(dx); } else { scrollbarWidth = GetScrollbarWidth(p2t); scrollbarHeight = scrollbarWidth; } if (!heightExplicit) { size.height += scrollbarHeight; } if (!widthExplicit) { size.width += scrollbarWidth; } } aDesiredLayoutSize.width = size.width; aDesiredLayoutSize.height = size.height; aDesiredLayoutSize.ascent = aDesiredLayoutSize.height; aDesiredLayoutSize.descent = 0; aDesiredWidgetSize.width = aDesiredLayoutSize.width; aDesiredWidgetSize.height = aDesiredLayoutSize.height; } nsWidgetInitData* nsTextControlFrame::GetWidgetInitData(nsIPresContext& aPresContext) { PRInt32 type; GetType(&type); nsTextWidgetInitData* data = nsnull; PRBool readOnly = nsFormFrame::GetReadonly(this); if ((NS_FORM_INPUT_PASSWORD == type) || readOnly) { data = new nsTextWidgetInitData(); data->mIsPassword = PR_FALSE; data->mIsReadOnly = PR_FALSE; if (NS_FORM_INPUT_PASSWORD == type) { data->clipChildren = PR_TRUE; data->mIsPassword = PR_TRUE; } if (readOnly) { data->mIsReadOnly = PR_TRUE; } } return data; } NS_IMETHODIMP nsTextControlFrame::GetText(nsString* aText) { nsresult result = NS_CONTENT_ATTR_NOT_THERE; PRInt32 type; GetType(&type); if ((NS_FORM_INPUT_TEXT == type) || (NS_FORM_INPUT_PASSWORD == type)) { nsIDOMHTMLInputElement* textElem = nsnull; result = mContent->QueryInterface(kIDOMHTMLInputElementIID, (void**)&textElem); if ((NS_OK == result) && textElem) { result = textElem->GetDefaultValue(*aText); NS_RELEASE(textElem); } } else { nsIDOMHTMLTextAreaElement* textArea = nsnull; result = mContent->QueryInterface(kIDOMHTMLTextAreaElementIID, (void**)&textArea); if ((NS_OK == result) && textArea) { result = textArea->GetDefaultValue(*aText); NS_RELEASE(textArea); } } return result; } NS_IMETHODIMP nsTextControlFrame::AttributeChanged(nsIPresContext* aPresContext, nsIContent* aChild, nsIAtom* aAttribute, PRInt32 aHint) { nsresult result = NS_OK; PRInt32 type; GetType(&type); if (mWidget) { nsITextWidget* text = nsnull; result = mWidget->QueryInterface(kITextWidgetIID, (void**)&text); if ((NS_SUCCEEDED(result)) && (nsnull != text)) { if (nsHTMLAtoms::value == aAttribute) { nsString value; nsresult result = GetText(&value); PRUint32 ignore; text->SetText(value, ignore); nsFormFrame::StyleChangeReflow(aPresContext, this); } else if (nsHTMLAtoms::size == aAttribute) { nsFormFrame::StyleChangeReflow(aPresContext, this); } else if (nsHTMLAtoms::maxlength == aAttribute) { PRInt32 maxLength; nsresult result = GetMaxLength(&maxLength); if (NS_CONTENT_ATTR_NOT_THERE != result) { text->SetMaxTextLength(maxLength); } } NS_RELEASE(text); } } return result; } void nsTextControlFrame::PostCreateWidget(nsIPresContext* aPresContext, nscoord& aWidth, nscoord& aHeight) { if (!mWidget) { return; } PRInt32 type; GetType(&type); nsFont font(aPresContext->GetDefaultFixedFont()); GetFont(aPresContext, font); mWidget->SetFont(font); SetColors(*aPresContext); PRUint32 ignore; nsAutoString value; nsITextAreaWidget* textArea = nsnull; nsITextWidget* text = nsnull; if (NS_OK == mWidget->QueryInterface(kITextWidgetIID,(void**)&text)) { #ifdef SingleSignon /* get name of text */ nsAutoString name; GetName(&name); /* get url name */ char *URLName; nsIURL* docURL = nsnull; nsIDocument* doc = nsnull; mContent->GetDocument(doc); if (nsnull != doc) { docURL = doc->GetDocumentURL(); NS_RELEASE(doc); const char* spec; (void)docURL->GetSpec(&spec); URLName = (char*)PR_Malloc(PL_strlen(spec)+1); PL_strcpy(URLName, spec); NS_RELEASE(docURL); } /* invoke single-signon to get previously-used value of text */ nsINetService *service; nsresult res = nsServiceManager::GetService(kNetServiceCID, kINetServiceIID, (nsISupports **)&service); if ((NS_OK == res) && (nsnull != service)) { char* valueString = NULL; res = service->SI_RestoreSignonData(URLName, name.ToNewCString(), &valueString); NS_RELEASE(service); if (valueString && *valueString) { value = nsAutoString(valueString); } else { GetText(&value); } } #else GetText(&value); #endif text->SetText(value, ignore); PRInt32 maxLength; nsresult result = GetMaxLength(&maxLength); if (NS_CONTENT_ATTR_NOT_THERE != result) { text->SetMaxTextLength(maxLength); } NS_RELEASE(text); } else if (NS_OK == mWidget->QueryInterface(kITextAreaWidgetIID,(void**)&textArea)) { textArea->SetText(value, ignore); NS_RELEASE(textArea); } if (nsFormFrame::GetDisabled(this)) { mWidget->Enable(PR_FALSE); } } PRInt32 nsTextControlFrame::GetMaxNumValues() { return 1; } PRBool nsTextControlFrame::GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues, nsString* aValues, nsString* aNames) { if (!mWidget) { return PR_FALSE; } nsAutoString name; nsresult result = GetName(&name); if ((aMaxNumValues <= 0) || (NS_CONTENT_ATTR_NOT_THERE == result)) { return PR_FALSE; } PRUint32 size; nsITextWidget* text = nsnull; nsITextAreaWidget* textArea = nsnull; aNames[0] = name; aNumValues = 1; if (NS_OK == mWidget->QueryInterface(kITextWidgetIID,(void**)&text)) { text->GetText(aValues[0],0,size); // the last parm is not used NS_RELEASE(text); return PR_TRUE; } else if (NS_OK == mWidget->QueryInterface(kITextAreaWidgetIID,(void**)&textArea)) { textArea->GetText(aValues[0],0,size); // the last parm is not used NS_RELEASE(textArea); return PR_TRUE; } return PR_FALSE; } void nsTextControlFrame::Reset() { if (!mWidget) { return; } nsITextWidget* text = nsnull; nsITextAreaWidget* textArea = nsnull; nsAutoString value; nsresult valStatus = GetText(&value); PRUint32 size; if (NS_OK == mWidget->QueryInterface(kITextWidgetIID,(void**)&text)) { if (NS_CONTENT_ATTR_HAS_VALUE == valStatus) { text->SetText(value,size); } else { text->SetText("",size); } NS_RELEASE(text); } else if (NS_OK == mWidget->QueryInterface(kITextAreaWidgetIID,(void**)&textArea)) { if (NS_CONTENT_ATTR_HAS_VALUE == valStatus) { textArea->SetText(value,size); } else { textArea->SetText("",size); } NS_RELEASE(textArea); } } NS_IMETHODIMP nsTextControlFrame::GetCursor(nsIPresContext& aPresContext, nsPoint& aPoint, PRInt32& aCursor) { /*const nsStyleColor* styleColor; GetStyleData(eStyleStruct_Color, (const nsStyleStruct*&)styleColor); aCursor = styleColor->mCursor;*/ //XXX This is wrong, should be through style. aCursor = NS_STYLE_CURSOR_TEXT; return NS_OK; } NS_IMETHODIMP nsTextControlFrame::GetFrameName(nsString& aResult) const { return MakeFrameName("TextControl", aResult); } void nsTextControlFrame::PaintTextControl(nsIPresContext& aPresContext, nsIRenderingContext& aRenderingContext, const nsRect& aDirtyRect) { aRenderingContext.PushState(); nsFormControlFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, eFramePaintLayer_Content); const nsStyleSpacing* spacing = (const nsStyleSpacing*)mStyleContext->GetStyleData(eStyleStruct_Spacing); nsMargin border; spacing->CalcBorderFor(this, border); float p2t; aPresContext.GetScaledPixelsToTwips(p2t); nscoord onePixel = NSIntPixelsToTwips(1, p2t); nsRect outside(0, 0, mRect.width, mRect.height); outside.Deflate(border); outside.Deflate(onePixel, onePixel); nsRect inside(outside); inside.Deflate(onePixel, onePixel); #if 0 if (mGotFocus) { PaintFocus(aRenderingContext, aDirtyRect, inside, outside); } #endif float appUnits; float devUnits; float scale; nsIDeviceContext * context; aRenderingContext.GetDeviceContext(context); context->GetCanonicalPixelScale(scale); context->GetAppUnitsToDevUnits(devUnits); context->GetDevUnitsToAppUnits(appUnits); aRenderingContext.SetColor(NS_RGB(0,0,0)); nsFont font(aPresContext.GetDefaultFixedFont()); GetFont(&aPresContext, font); aRenderingContext.SetFont(font); nscoord textWidth; nscoord textHeight; nsString text; GetText(&text); aRenderingContext.GetWidth(text, textWidth); nsIFontMetrics* metrics; context->GetMetricsFor(font, metrics); metrics->GetHeight(textHeight); PRInt32 type; GetType(&type); if (NS_FORM_INPUT_TEXT == type || NS_FORM_INPUT_PASSWORD == type) { nscoord x = inside.x + onePixel + onePixel; nscoord y; if (NS_FORM_INPUT_TEXT == type) { y = ((inside.height - textHeight) / 2) + inside.y; } else { metrics->GetMaxAscent(textHeight); y = ((inside.height - textHeight) / 2) + inside.y; PRInt32 i; PRInt32 len = text.Length(); text.SetLength(0); for (i=0;iGetCanonicalPixelScale(scale); context->GetScrollBarDimensions(sbWidth, sbHeight); PRInt32 scrollbarScaledWidth = PRInt32(sbWidth * scale); PRInt32 scrollbarScaledHeight = PRInt32(sbWidth * scale); inside.width -= scrollbarScaledWidth; inside.height -= scrollbarScaledHeight; PRBool clipEmpty; aRenderingContext.PushState(); aRenderingContext.SetClipRect(inside, nsClipCombine_kReplace, clipEmpty); nscoord x = inside.x + onePixel; nscoord y = inside.y + onePixel; // Draw multi-line text PRInt32 oldPos = 0; PRInt32 pos = text.Find('\n', 0); while (1) { nsString substr; if (-1 == pos) { text.Right(substr, text.Length()-oldPos); aRenderingContext.DrawString(substr, x, y, 0); break; } text.Left(substr, pos); aRenderingContext.DrawString(substr, x, y, 0); y += textHeight; pos++; oldPos = pos; pos = text.Find('\n', pos); } aRenderingContext.PopState(clipEmpty); // Scrollbars const nsStyleColor* myColor = (const nsStyleColor*)mStyleContext->GetStyleData(eStyleStruct_Color); nsIAtom * sbAtom = NS_NewAtom(":SCROLLBAR-LOOK"); nsIStyleContext* scrollbarStyle = aPresContext.ResolvePseudoStyleContextFor(mContent, sbAtom, mStyleContext); NS_RELEASE(sbAtom); sbAtom = NS_NewAtom(":SCROLLBAR-ARROW-LOOK"); nsIStyleContext* arrowStyle = aPresContext.ResolvePseudoStyleContextFor(mContent, sbAtom, mStyleContext); NS_RELEASE(sbAtom); nsRect srect(mRect.width-scrollbarScaledWidth-(2*onePixel), 2*onePixel, scrollbarScaledWidth, mRect.height-(onePixel*4)-scrollbarScaledWidth); PaintScrollbar(aRenderingContext,aPresContext, aDirtyRect, srect, PR_FALSE, onePixel, scrollbarStyle, arrowStyle, this, mRect); // Horizontal srect.SetRect(2*onePixel, mRect.height-scrollbarScaledHeight-(2*onePixel), mRect.width-(onePixel*4)-scrollbarScaledHeight, scrollbarScaledHeight); PaintScrollbar(aRenderingContext,aPresContext, aDirtyRect, srect, PR_TRUE, onePixel, scrollbarStyle, arrowStyle, this, mRect); // Draw the small rect "gap" in the bottom right that the two scrollbars don't cover const nsStyleColor* sbColor = (const nsStyleColor*)scrollbarStyle->GetStyleData(eStyleStruct_Color); srect.SetRect(mRect.width-scrollbarScaledWidth-(2*onePixel), mRect.height-scrollbarScaledHeight-(onePixel*2), scrollbarScaledWidth, scrollbarScaledHeight); nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, this, aDirtyRect, srect, *sbColor, 0, 0); } NS_RELEASE(context); PRBool status; aRenderingContext.PopState(status); } NS_METHOD nsTextControlFrame::Paint(nsIPresContext& aPresContext, nsIRenderingContext& aRenderingContext, const nsRect& aDirtyRect, nsFramePaintLayer aWhichLayer) { if (eFramePaintLayer_Content == aWhichLayer) { PaintTextControl(aPresContext, aRenderingContext, aDirtyRect); } return NS_OK; }