0615e95ff7
2) Fixed ProgressMeter to update correctly when attributes change 3) Fixed sample8.html so that it does not over ride the borders of the HTML4 button this messed up the active, hover, and disabled states. git-svn-id: svn://10.0.0.236/trunk@23070 18797224-902f-48f8-a5cc-f745e15eee43
1079 lines
38 KiB
C++
1079 lines
38 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 "nsCOMPtr.h"
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#include "nsFormControlHelper.h"
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#include "nsHTMLParts.h"
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#include "nsIHTMLContent.h"
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#include "nsIRenderingContext.h"
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#include "nsIPresShell.h"
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#include "nsIPresContext.h"
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#include "nsIStyleContext.h"
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#include "nsLeafFrame.h"
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#include "nsCSSRendering.h"
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#include "nsHTMLIIDs.h"
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#include "nsIView.h"
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#include "nsIViewManager.h"
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#include "nsCoord.h"
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#include "nsWidgetsCID.h"
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#include "nsViewsCID.h"
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#include "nsRepository.h"
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#include "nsGUIEvent.h"
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#include "nsDOMEvent.h"
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#include "nsIFontMetrics.h"
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#include "nsIFormControl.h"
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#include "nsIDeviceContext.h"
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#include "nsHTMLAtoms.h"
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#include "nsIButton.h" // remove this when GetCID is pure virtual
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#include "nsICheckButton.h" //remove this
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#include "nsITextWidget.h" //remove this
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#include "nsISupports.h"
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#include "nsStyleConsts.h"
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#include "nsUnitConversion.h"
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#include "nsStyleUtil.h"
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#include "nsFormFrame.h"
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#include "nsIContent.h"
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#include "nsStyleUtil.h"
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#include "nsINameSpaceManager.h"
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#include "nsIDOMHTMLInputElement.h"
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static NS_DEFINE_IID(kIWidgetIID, NS_IWIDGET_IID);
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static NS_DEFINE_IID(kIFormControlIID, NS_IFORMCONTROL_IID);
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static NS_DEFINE_IID(kIFormControlFrameIID, NS_IFORMCONTROLFRAME_IID);
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_IID(kViewCID, NS_VIEW_CID);
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static NS_DEFINE_IID(kIViewIID, NS_IVIEW_IID);
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static NS_DEFINE_IID(kIFrameIID, NS_IFRAME_IID);
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static NS_DEFINE_IID(kIDOMHTMLInputElementIID, NS_IDOMHTMLINPUTELEMENT_IID);
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nsFormControlHelper::nsFormControlHelper()
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{
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}
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nsFormControlHelper::~nsFormControlHelper()
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{
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}
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void nsFormControlHelper::ForceDrawFrame(nsIFrame * aFrame)
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{
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if (aFrame == nsnull) {
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return;
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}
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nsRect rect;
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nsIView * view;
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nsPoint pnt;
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aFrame->GetOffsetFromView(pnt, &view);
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aFrame->GetRect(rect);
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rect.x = pnt.x;
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rect.y = pnt.y;
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if (view != nsnull) {
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nsIViewManager * viewMgr;
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view->GetViewManager(viewMgr);
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if (viewMgr != nsnull) {
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viewMgr->UpdateView(view, rect, 0);
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NS_RELEASE(viewMgr);
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}
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}
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}
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PRBool nsFormControlHelper::GetBool(const nsString& aValue)
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{
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if (aValue == NS_STRING_TRUE)
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return(PR_TRUE);
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else
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return (PR_FALSE);
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}
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void nsFormControlHelper::GetBoolString(const PRBool aValue, nsString& aResult)
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{
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if (PR_TRUE == aValue)
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aResult = NS_STRING_TRUE;
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else
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aResult = NS_STRING_FALSE;
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}
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nsCompatibility
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nsFormControlHelper::GetRepChars(nsIPresContext& aPresContext, char& char1, char& char2)
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{
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nsCompatibility mode;
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aPresContext.GetCompatibilityMode(&mode);
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if (eCompatibility_Standard == mode) {
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char1 = 'm';
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char2 = 'a';
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return eCompatibility_Standard;
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} else {
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char1 = '%';
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char2 = '%';
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return eCompatibility_NavQuirks;
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}
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}
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nscoord
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nsFormControlHelper::GetTextSize(nsIPresContext& aPresContext, nsIFormControlFrame* aFrame,
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const nsString& aString, nsSize& aSize,
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nsIRenderingContext *aRendContext)
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{
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nsFont font(aPresContext.GetDefaultFixedFontDeprecated());
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aFrame->GetFont(&aPresContext, font);
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nsCOMPtr<nsIDeviceContext> deviceContext;
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aPresContext.GetDeviceContext(getter_AddRefs(deviceContext));
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nsIFontMetrics* fontMet;
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deviceContext->GetMetricsFor(font, fontMet);
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aRendContext->SetFont(fontMet);
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aRendContext->GetWidth(aString, aSize.width);
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fontMet->GetHeight(aSize.height);
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NS_RELEASE(fontMet);
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char char1, char2;
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nsCompatibility mode = GetRepChars(aPresContext, char1, char2);
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nscoord char1Width, char2Width;
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aRendContext->GetWidth(char1, char1Width);
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aRendContext->GetWidth(char2, char2Width);
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if (eCompatibility_Standard == mode) {
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return ((char1Width + char2Width) / 2) + 1;
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} else {
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return char1Width;
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}
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}
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nscoord
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nsFormControlHelper::GetTextSize(nsIPresContext& aPresContext, nsIFormControlFrame* aFrame,
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PRInt32 aNumChars, nsSize& aSize,
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nsIRenderingContext *aRendContext)
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{
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nsAutoString val;
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char char1, char2;
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GetRepChars(aPresContext, char1, char2);
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int i;
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for (i = 0; i < aNumChars; i+=2) {
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val += char1;
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}
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for (i = 1; i < aNumChars; i+=2) {
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val += char2;
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}
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return GetTextSize(aPresContext, aFrame, val, aSize, aRendContext);
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}
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PRInt32
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nsFormControlHelper::CalculateSize (nsIPresContext* aPresContext,
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nsIRenderingContext* aRendContext,
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nsIFormControlFrame* aFrame,
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const nsSize& aCSSSize,
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nsInputDimensionSpec& aSpec,
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nsSize& aDesiredSize,
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nsSize& aMinSize,
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PRBool& aWidthExplicit,
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PRBool& aHeightExplicit,
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nscoord& aRowHeight)
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{
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nscoord charWidth = 0;
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PRInt32 numRows = ATTR_NOTSET;
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aWidthExplicit = PR_FALSE;
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aHeightExplicit = PR_FALSE;
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aDesiredSize.width = CSS_NOTSET;
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aDesiredSize.height = CSS_NOTSET;
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nsIContent* iContent = nsnull;
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aFrame->GetFormContent((nsIContent*&) iContent);
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if (!iContent) {
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return 0;
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}
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nsIHTMLContent* hContent = nsnull;
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nsresult result = iContent->QueryInterface(kIHTMLContentIID, (void**)&hContent);
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if ((NS_OK != result) || !hContent) {
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NS_RELEASE(iContent);
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return 0;
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}
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nsAutoString valAttr;
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nsresult valStatus = NS_CONTENT_ATTR_NOT_THERE;
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if (nsnull != aSpec.mColValueAttr) {
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valStatus = hContent->GetAttribute(kNameSpaceID_HTML, aSpec.mColValueAttr, valAttr);
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}
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nsHTMLValue colAttr;
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nsresult colStatus = NS_CONTENT_ATTR_NOT_THERE;
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if (nsnull != aSpec.mColSizeAttr) {
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colStatus = hContent->GetHTMLAttribute(aSpec.mColSizeAttr, colAttr);
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}
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float p2t;
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aPresContext->GetScaledPixelsToTwips(&p2t);
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#if 0
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// determine if it is percentage based width, height
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PRBool percentageWidth = PR_FALSE;
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PRBool percentageHeight = PR_FALSE;
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const nsStylePosition* pos;
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nsIFrame* iFrame = nsnull;
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nsresult rv = aFrame->QueryInterface(kIFrameIID, (void**)&iFrame);
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if ((NS_OK == rv) && (nsnull != iFrame)) {
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iFrame->GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)pos);
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if (eStyleUnit_Percent == pos->mWidth.GetUnit()) {
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percentageWidth = PR_TRUE;
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}
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if (eStyleUnit_Percent == pos->mWidth.GetUnit()) {
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percentageHeight = PR_TRUE;
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}
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}
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#endif
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// determine the width, char height, row height
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if (NS_CONTENT_ATTR_HAS_VALUE == colStatus) { // col attr will provide width
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PRInt32 col = ((colAttr.GetUnit() == eHTMLUnit_Pixel) ? colAttr.GetPixelValue() : colAttr.GetIntValue());
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if (aSpec.mColSizeAttrInPixels) {
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// need to set charWidth and aDesiredSize.height
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charWidth = GetTextSize(*aPresContext, aFrame, 1, aDesiredSize, aRendContext);
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col = (col <= 0) ? 15 : col; // XXX why a default of 15 pixels, why hide it
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aDesiredSize.width = NSIntPixelsToTwips(col, p2t);
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} else {
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col = (col <= 0) ? 1 : col; // XXX why a default of 1 char, why hide it
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charWidth = GetTextSize(*aPresContext, aFrame, col, aDesiredSize, aRendContext);
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}
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if (aSpec.mColSizeAttrInPixels) {
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aWidthExplicit = PR_TRUE;
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}
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aMinSize.width = aDesiredSize.width;
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} else {
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// set aDesiredSize for height calculation below. CSS may override width
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if (NS_CONTENT_ATTR_HAS_VALUE == valStatus) { // use width of initial value
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charWidth = GetTextSize(*aPresContext, aFrame, valAttr, aDesiredSize, aRendContext);
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} else if (aSpec.mColDefaultValue) { // use default value
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charWidth = GetTextSize(*aPresContext, aFrame, *aSpec.mColDefaultValue, aDesiredSize, aRendContext);
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} else if (aSpec.mColDefaultSizeInPixels) { // use default width in pixels
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charWidth = GetTextSize(*aPresContext, aFrame, 1, aDesiredSize, aRendContext);
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aDesiredSize.width = aSpec.mColDefaultSize;
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} else { // use default width in num characters
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charWidth = GetTextSize(*aPresContext, aFrame, aSpec.mColDefaultSize, aDesiredSize, aRendContext);
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}
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aMinSize.width = aDesiredSize.width;
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if (CSS_NOTSET != aCSSSize.width) { // css provides width
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NS_ASSERTION(aCSSSize.width > 0, "form control's computed width is <= 0");
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if (NS_INTRINSICSIZE != aCSSSize.width) {
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aDesiredSize.width = PR_MAX(aDesiredSize.width,aCSSSize.width);
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aWidthExplicit = PR_TRUE;
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}
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}
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}
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aRowHeight = aDesiredSize.height;
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aMinSize.height = aDesiredSize.height;
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// determine the height
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nsHTMLValue rowAttr;
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nsresult rowStatus = NS_CONTENT_ATTR_NOT_THERE;
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if (nsnull != aSpec.mRowSizeAttr) {
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rowStatus = hContent->GetHTMLAttribute(aSpec.mRowSizeAttr, rowAttr);
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}
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if (NS_CONTENT_ATTR_HAS_VALUE == rowStatus) { // row attr will provide height
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PRInt32 rowAttrInt = ((rowAttr.GetUnit() == eHTMLUnit_Pixel)
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? rowAttr.GetPixelValue() : rowAttr.GetIntValue());
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numRows = (rowAttrInt > 0) ? rowAttrInt : 1;
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aDesiredSize.height = aDesiredSize.height * numRows;
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} else {
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aDesiredSize.height = aDesiredSize.height * aSpec.mRowDefaultSize;
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if (CSS_NOTSET != aCSSSize.height) { // css provides height
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NS_ASSERTION(aCSSSize.height > 0, "form control's computed height is <= 0");
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if (NS_INTRINSICSIZE != aCSSSize.height) {
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aDesiredSize.height = PR_MAX(aDesiredSize.height,aCSSSize.height);
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aHeightExplicit = PR_TRUE;
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}
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}
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}
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nsWidgetRendering mode;
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aPresContext->GetWidgetRenderingMode(&mode);
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// only add in padding if we are not Gfx
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PRBool requiresWidget = PR_FALSE;
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aFrame->RequiresWidget(requiresWidget);
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if (PR_TRUE == requiresWidget || eWidgetRendering_Gfx != mode) {
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if (!aWidthExplicit) {
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PRInt32 hPadding = (2 * aFrame->GetHorizontalInsidePadding(*aPresContext, p2t, aDesiredSize.width, charWidth));
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aDesiredSize.width += hPadding;
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aMinSize.width += hPadding;
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}
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if (!aHeightExplicit) {
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PRInt32 vPadding = (2 * aFrame->GetVerticalInsidePadding(p2t, aRowHeight));
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aDesiredSize.height += vPadding;
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aMinSize.height += vPadding;
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}
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}
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NS_RELEASE(hContent);
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if (ATTR_NOTSET == numRows) {
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numRows = aDesiredSize.height / aRowHeight;
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}
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NS_RELEASE(iContent);
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return numRows;
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}
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// this handles all of the input types rather than having them do it.
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void
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nsFormControlHelper::GetFont(nsIFormControlFrame * aFormFrame,
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nsIPresContext* aPresContext,
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nsIStyleContext * aStyleContext,
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nsFont& aFont)
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{
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const nsStyleFont* styleFont = (const nsStyleFont*)aStyleContext->GetStyleData(eStyleStruct_Font);
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nsWidgetRendering m;
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aPresContext->GetWidgetRenderingMode(&m);
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// only add in padding if we are not Gfx
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PRBool requiresWidget = PR_FALSE;
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aFormFrame->RequiresWidget(requiresWidget);
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if (PR_TRUE != requiresWidget && eWidgetRendering_Gfx == m) {
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aFont = styleFont->mFont;
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return;
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}
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nsCompatibility mode;
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aPresContext->GetCompatibilityMode(&mode);
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if (eCompatibility_Standard == mode) {
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aFont = styleFont->mFont;
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return;
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}
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PRInt32 type;
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aFormFrame->GetType(&type);
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switch (type) {
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case NS_FORM_INPUT_TEXT:
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case NS_FORM_TEXTAREA:
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case NS_FORM_INPUT_PASSWORD:
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aFont = styleFont->mFixedFont;
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break;
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case NS_FORM_INPUT_BUTTON:
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case NS_FORM_INPUT_SUBMIT:
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case NS_FORM_INPUT_RESET:
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case NS_FORM_SELECT:
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if ((styleFont->mFlags & NS_STYLE_FONT_FACE_EXPLICIT) ||
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(styleFont->mFlags & NS_STYLE_FONT_SIZE_EXPLICIT)) {
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aFont = styleFont->mFixedFont;
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aFont.weight = NS_FONT_WEIGHT_NORMAL; // always normal weight
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aFont.size = styleFont->mFont.size; // normal font size
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if (0 == (styleFont->mFlags & NS_STYLE_FONT_FACE_EXPLICIT)) {
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aFont.name = "Arial"; // XXX windows specific font
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}
|
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} else {
|
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// use arial, scaled down one HTML size
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// italics, decoration & variant(?) get used
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aFont = styleFont->mFont;
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aFont.name = "Arial"; // XXX windows specific font
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aFont.weight = NS_FONT_WEIGHT_NORMAL;
|
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const nsFont& normal = aPresContext->GetDefaultFontDeprecated();
|
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PRInt32 scaler;
|
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aPresContext->GetFontScaler(&scaler);
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float scaleFactor = nsStyleUtil::GetScalingFactor(scaler);
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PRInt32 fontIndex = nsStyleUtil::FindNextSmallerFontSize(aFont.size, (PRInt32)normal.size, scaleFactor);
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aFont.size = nsStyleUtil::CalcFontPointSize(fontIndex, (PRInt32)normal.size, scaleFactor);
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}
|
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break;
|
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}
|
|
}
|
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|
|
|
|
//
|
|
//-------------------------------------------------------------------------------------
|
|
// Utility methods for rendering Form Elements using GFX
|
|
//-------------------------------------------------------------------------------------
|
|
//
|
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|
|
void
|
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nsFormControlHelper::PaintLine(nsIRenderingContext& aRenderingContext,
|
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nscoord aSX, nscoord aSY, nscoord aEX, nscoord aEY,
|
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PRBool aHorz, nscoord aWidth, nscoord aOnePixel)
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|
{
|
|
|
|
nsPoint p[5];
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if (aHorz) {
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aEX++;
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p[0].x = nscoord(float(aSX)*aOnePixel);
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p[0].y = nscoord(float(aSY)*aOnePixel);
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p[1].x = nscoord(float(aEX)*aOnePixel);
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p[1].y = nscoord(float(aEY)*aOnePixel);
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p[2].x = nscoord(float(aEX)*aOnePixel);
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p[2].y = nscoord(float(aEY+1)*aOnePixel);
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p[3].x = nscoord(float(aSX)*aOnePixel);
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p[3].y = nscoord(float(aSY+1)*aOnePixel);
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p[4].x = nscoord(float(aSX)*aOnePixel);
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p[4].y = nscoord(float(aSY)*aOnePixel);
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} else {
|
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aEY++;
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p[0].x = nscoord(float(aSX)*aOnePixel);
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p[0].y = nscoord(float(aSY)*aOnePixel);
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p[1].x = nscoord(float(aEX)*aOnePixel);
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p[1].y = nscoord(float(aEY)*aOnePixel);
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p[2].x = nscoord(float(aEX+1)*aOnePixel);
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p[2].y = nscoord(float(aEY)*aOnePixel);
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p[3].x = nscoord(float(aSX+1)*aOnePixel);
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p[3].y = nscoord(float(aSY)*aOnePixel);
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p[4].x = nscoord(float(aSX)*aOnePixel);
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p[4].y = nscoord(float(aSY)*aOnePixel);
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}
|
|
aRenderingContext.FillPolygon(p, 5);
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|
}
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|
|
//---------------------------------------------------------------------------
|
|
//---------------------------------------------------------------------------
|
|
//---------------------------------------------------------------------------
|
|
// Offset for arrow centerpoint
|
|
static const nscoord nsArrowOffsetX = 3;
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|
static const nscoord nsArrowOffsetY = 3;
|
|
static nscoord nsArrowRightPoints[] = {0, 0, 0, 6, 6, 3 };
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|
static nscoord nsArrowLeftPoints[] = {0, 3, 6, 0, 6, 6 };
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|
static nscoord nsArrowUpPoints[] = {3, 0, 6, 6, 0, 6 };
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|
static nscoord nsArrowDownPoints[] = {0, 0, 3, 6, 6, 0 };
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|
|
//---------------------------------------------------------------------------
|
|
void
|
|
nsFormControlHelper::SetupPoints(PRUint32 aNumberOfPoints, nscoord* aPoints, nsPoint* aPolygon, nscoord aScaleFactor, nscoord aX, nscoord aY,
|
|
nscoord aCenterX, nscoord aCenterY)
|
|
{
|
|
const nscoord offsetX = aCenterX * aScaleFactor;
|
|
const nscoord offsetY = aCenterY * aScaleFactor;
|
|
|
|
PRUint32 i = 0;
|
|
PRUint32 count = 0;
|
|
for (i = 0; i < aNumberOfPoints; i++) {
|
|
aPolygon[i].x = (aPoints[count] * aScaleFactor) + aX - offsetX;
|
|
count++;
|
|
aPolygon[i].y = (aPoints[count] * aScaleFactor) + aY - offsetY;
|
|
count++;
|
|
}
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
void
|
|
nsFormControlHelper::PaintArrowGlyph(nsIRenderingContext& aRenderingContext,
|
|
nscoord aSX, nscoord aSY, nsArrowDirection aArrowDirection,
|
|
nscoord aOnePixel)
|
|
{
|
|
nsPoint polygon[3];
|
|
|
|
switch(aArrowDirection)
|
|
{
|
|
case eArrowDirection_Left:
|
|
SetupPoints(3, nsArrowLeftPoints, polygon, aOnePixel, aSX, aSY, nsArrowOffsetX, nsArrowOffsetY);
|
|
break;
|
|
|
|
case eArrowDirection_Right:
|
|
SetupPoints(3, nsArrowRightPoints, polygon, aOnePixel, aSX, aSY, nsArrowOffsetX, nsArrowOffsetY);
|
|
break;
|
|
|
|
case eArrowDirection_Up:
|
|
SetupPoints(3, nsArrowUpPoints, polygon, aOnePixel, aSX, aSY, nsArrowOffsetX, nsArrowOffsetY);
|
|
break;
|
|
|
|
case eArrowDirection_Down:
|
|
SetupPoints(3, nsArrowDownPoints, polygon, aOnePixel, aSX, aSY, nsArrowOffsetX, nsArrowOffsetY);
|
|
break;
|
|
}
|
|
|
|
aRenderingContext.FillPolygon(polygon, 3);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
void
|
|
nsFormControlHelper::PaintArrow(nsArrowDirection aArrowDirection,
|
|
nsIRenderingContext& aRenderingContext,
|
|
nsIPresContext& aPresContext,
|
|
const nsRect& aDirtyRect,
|
|
nsRect& aRect,
|
|
nscoord aOnePixel,
|
|
nsIStyleContext* aArrowStyle,
|
|
const nsStyleSpacing& aSpacing,
|
|
nsIFrame* aForFrame,
|
|
nsRect& aFrameRect)
|
|
{
|
|
// Draw border using CSS
|
|
const nsStyleColor* color = (const nsStyleColor*)
|
|
aArrowStyle->GetStyleData(eStyleStruct_Color);
|
|
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, aRect, *color, aSpacing, 0, 0);
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, aRect, aSpacing, aArrowStyle, 0);
|
|
|
|
// Draw the glyph in black
|
|
aRenderingContext.SetColor(NS_RGB(0, 0, 0));
|
|
// Draw arrow centered in the rectangle
|
|
PaintArrowGlyph(aRenderingContext, aRect.x + (aRect.width / 2), aRect.y + (aRect.height / 2), aArrowDirection, aOnePixel);
|
|
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
void
|
|
nsFormControlHelper::PaintScrollbar(nsIRenderingContext& aRenderingContext,
|
|
nsIPresContext& aPresContext,
|
|
const nsRect& aDirtyRect,
|
|
nsRect& aRect,
|
|
PRBool aHorizontal,
|
|
nscoord aOnePixel,
|
|
nsIStyleContext* aScrollbarStyleContext,
|
|
nsIStyleContext* aScrollbarArrowStyleContext,
|
|
nsIFrame* aForFrame,
|
|
nsRect& aFrameRect)
|
|
{
|
|
// Get the Scrollbar's Style structs
|
|
const nsStyleColor* scrollbarColor =
|
|
(const nsStyleColor*)aScrollbarStyleContext->GetStyleData(eStyleStruct_Color);
|
|
|
|
// Get the Scrollbar's Arrow's Style structs
|
|
const nsStyleSpacing* arrowSpacing =
|
|
(const nsStyleSpacing*)aScrollbarArrowStyleContext->GetStyleData(eStyleStruct_Spacing);
|
|
const nsStyleColor* arrowColor =
|
|
(const nsStyleColor*)aScrollbarArrowStyleContext->GetStyleData(eStyleStruct_Color);
|
|
|
|
// Paint background for scrollbar
|
|
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, aRect, *scrollbarColor, *arrowSpacing, 0, 0);
|
|
|
|
if (PR_TRUE == aHorizontal) {
|
|
// Draw horizontal Arrow
|
|
nscoord arrowWidth = aRect.height;
|
|
nsRect arrowLeftRect(aRect.x, aRect.y, arrowWidth, arrowWidth);
|
|
PaintArrow(eArrowDirection_Left,aRenderingContext,aPresContext,
|
|
aDirtyRect, arrowLeftRect,aOnePixel, aScrollbarArrowStyleContext,
|
|
*arrowSpacing, aForFrame, aFrameRect);
|
|
|
|
nsRect thumbRect(aRect.x+arrowWidth, aRect.y, arrowWidth, arrowWidth);
|
|
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, thumbRect, *arrowColor, *arrowSpacing, 0, 0);
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, thumbRect, *arrowSpacing,aScrollbarArrowStyleContext, 0);
|
|
|
|
nsRect arrowRightRect(aRect.x + (aRect.width - arrowWidth), aRect.y, arrowWidth, arrowWidth);
|
|
PaintArrow(eArrowDirection_Right,aRenderingContext,aPresContext,
|
|
aDirtyRect, arrowRightRect,aOnePixel, aScrollbarArrowStyleContext,
|
|
*arrowSpacing, aForFrame, aFrameRect);
|
|
|
|
}
|
|
else {
|
|
// Paint vertical arrow
|
|
nscoord arrowHeight = aRect.width;
|
|
nsRect arrowUpRect(aRect.x, aRect.y, arrowHeight, arrowHeight);
|
|
PaintArrow(eArrowDirection_Up,aRenderingContext,aPresContext,
|
|
aDirtyRect, arrowUpRect,aOnePixel, aScrollbarArrowStyleContext,
|
|
*arrowSpacing, aForFrame, aFrameRect);
|
|
|
|
nsRect thumbRect(aRect.x, aRect.y+arrowHeight, arrowHeight, arrowHeight);
|
|
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, thumbRect, *arrowColor, *arrowSpacing, 0, 0);
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, thumbRect, *arrowSpacing,aScrollbarArrowStyleContext, 0);
|
|
|
|
nsRect arrowDownRect(aRect.x, aRect.y + (aRect.height - arrowHeight), arrowHeight, arrowHeight);
|
|
PaintArrow(eArrowDirection_Down,aRenderingContext,aPresContext,
|
|
aDirtyRect, arrowDownRect,aOnePixel, aScrollbarArrowStyleContext,
|
|
*arrowSpacing, aForFrame, aFrameRect);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
nsFormControlHelper::PaintFixedSizeCheckMark(nsIRenderingContext& aRenderingContext,
|
|
float aPixelsToTwips)
|
|
{
|
|
|
|
// Offsets to x,y location, These offsets are used to place the checkmark in the middle
|
|
// of it's 12X12 pixel box.
|
|
const PRUint32 ox = 3;
|
|
const PRUint32 oy = 3;
|
|
|
|
nscoord onePixel = NSIntPixelsToTwips(1, aPixelsToTwips);
|
|
|
|
// Draw checkmark using a series of rectangles. This builds an replica of the
|
|
// way the checkmark looks under Windows. Using a polygon does not correctly
|
|
// represent a checkmark under Windows. This is due to round-off error in the
|
|
// Twips to Pixel conversions.
|
|
PaintLine(aRenderingContext, 0 + ox, 2 + oy, 0 + ox, 4 + oy, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 1 + ox, 3 + oy, 1 + ox, 5 + oy, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 2 + ox, 4 + oy, 2 + ox, 6 + oy, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 3 + ox, 3 + oy, 3 + ox, 5 + oy, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 4 + ox, 2 + oy, 4 + ox, 4 + oy, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 5 + ox, 1 + oy, 5 + ox, 3 + oy, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 6 + ox, 0 + oy, 6 + ox, 2 + oy, PR_FALSE, 1, onePixel);
|
|
}
|
|
|
|
void
|
|
nsFormControlHelper::PaintFixedSizeCheckMarkBorder(nsIRenderingContext& aRenderingContext,
|
|
float aPixelsToTwips, const nsStyleColor& aBackgroundColor)
|
|
{
|
|
// Offsets to x,y location
|
|
PRUint32 ox = 0;
|
|
PRUint32 oy = 0;
|
|
|
|
nscoord onePixel = NSIntPixelsToTwips(1, aPixelsToTwips);
|
|
nscoord twelvePixels = NSIntPixelsToTwips(12, aPixelsToTwips);
|
|
|
|
// Draw Background
|
|
aRenderingContext.SetColor(aBackgroundColor.mColor);
|
|
nsRect rect(0, 0, twelvePixels, twelvePixels);
|
|
aRenderingContext.FillRect(rect);
|
|
|
|
// Draw Border
|
|
aRenderingContext.SetColor(NS_RGB(128, 128, 128));
|
|
PaintLine(aRenderingContext, 0 + ox, 0 + oy, 11 + ox, 0 + oy, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 0 + ox, 0 + oy, 0 + ox, 11 + oy, PR_FALSE, 1, onePixel);
|
|
|
|
aRenderingContext.SetColor(NS_RGB(192, 192, 192));
|
|
PaintLine(aRenderingContext, 1 + ox, 11 + oy, 11 + ox, 11 + oy, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 11 + ox, 1 + oy, 11 + ox, 11 + oy, PR_FALSE, 1, onePixel);
|
|
|
|
aRenderingContext.SetColor(NS_RGB(0, 0, 0));
|
|
PaintLine(aRenderingContext, 1 + ox, 1 + oy, 10 + ox, 1 + oy, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 1 + ox, 1 + oy, 1 + ox, 10 + oy, PR_FALSE, 1, onePixel);
|
|
|
|
}
|
|
|
|
//Draw a checkmark in any size.
|
|
void
|
|
nsFormControlHelper::PaintCheckMark(nsIRenderingContext& aRenderingContext,
|
|
float aPixelsToTwips, PRUint32 aWidth, PRUint32 aHeight)
|
|
{
|
|
// Width and height of the fixed size checkmark in TWIPS.
|
|
const PRUint32 fixedSizeCheckmarkWidth = 165;
|
|
const PRUint32 fixedSizeCheckmarkHeight = 165;
|
|
|
|
if ((fixedSizeCheckmarkWidth == aWidth) &&
|
|
(fixedSizeCheckmarkHeight == aHeight)) {
|
|
// Standard size, so draw a fixed size check mark instead of a scaled check mark.
|
|
PaintFixedSizeCheckMark(aRenderingContext, aPixelsToTwips);
|
|
return;
|
|
}
|
|
|
|
const PRUint32 checkpoints = 7;
|
|
const PRUint32 checksize = 9; //This is value is determined by added 2 units to the end
|
|
//of the 7X& pixel rectangle below to provide some white space
|
|
//around the checkmark when it is rendered.
|
|
|
|
// Points come from the coordinates on a 7X7 pixels
|
|
// box with 0,0 at the lower left.
|
|
nscoord checkedPolygonDef[] = {0,2, 2,4, 6,0 , 6,2, 2,6, 0,4, 0,2 };
|
|
// Location of the center point of the checkmark
|
|
const PRUint32 centerx = 3;
|
|
const PRUint32 centery = 3;
|
|
|
|
nsPoint checkedPolygon[checkpoints];
|
|
PRUint32 defIndex = 0;
|
|
PRUint32 polyIndex = 0;
|
|
|
|
// Scale the checkmark based on the smallest dimension
|
|
PRUint32 size = aWidth / checksize;
|
|
if (aHeight < aWidth) {
|
|
size = aHeight / checksize;
|
|
}
|
|
|
|
// Center and offset each point in the polygon definition.
|
|
for (defIndex = 0; defIndex < (checkpoints * 2); defIndex++) {
|
|
checkedPolygon[polyIndex].x = nscoord((((checkedPolygonDef[defIndex]) - centerx) * (size)) + (aWidth / 2));
|
|
defIndex++;
|
|
checkedPolygon[polyIndex].y = nscoord((((checkedPolygonDef[defIndex]) - centery) * (size)) + (aHeight / 2));
|
|
polyIndex++;
|
|
}
|
|
|
|
aRenderingContext.FillPolygon(checkedPolygon, checkpoints);
|
|
}
|
|
|
|
void
|
|
nsFormControlHelper::PaintFocus(nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect, nsRect& aInside, nsRect& aOutside)
|
|
|
|
{
|
|
// 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, aOutside,
|
|
aInside, PR_FALSE, nsnull);
|
|
}
|
|
|
|
|
|
void
|
|
nsFormControlHelper::PaintRectangularButton(nsIPresContext& aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect, const nsRect& aRect,
|
|
PRBool aPressed,
|
|
PRBool aShowFocus,
|
|
PRBool aDisabled,
|
|
PRBool aDrawOutline,
|
|
nsIStyleContext* outlineStyle,
|
|
nsIStyleContext* focusStyle,
|
|
nsIStyleContext* aStyleContext,
|
|
nsString& aLabel,
|
|
nsIFrame* aForFrame)
|
|
|
|
{
|
|
nsIFormControlFrame * formFrame;
|
|
nsresult result = aForFrame->QueryInterface(kIFormControlFrameIID, (void**)&formFrame);
|
|
if (NS_OK != result) {
|
|
NS_RELEASE(formFrame);
|
|
}
|
|
|
|
aRenderingContext.PushState();
|
|
// Draw border using CSS
|
|
// Get the Scrollbar's Arrow's Style structs
|
|
const nsStyleSpacing* spacing =
|
|
(const nsStyleSpacing*)aStyleContext->GetStyleData(eStyleStruct_Spacing);
|
|
const nsStyleColor* color =
|
|
(const nsStyleColor*)aStyleContext->GetStyleData(eStyleStruct_Color);
|
|
|
|
|
|
nsRect rect(aRect.x, aRect.y, aRect.width, aRect.height);
|
|
|
|
const nsStyleSpacing* outline = (const nsStyleSpacing*)outlineStyle->GetStyleData(eStyleStruct_Spacing);
|
|
const nsStyleSpacing* focus = (const nsStyleSpacing*)focusStyle->GetStyleData(eStyleStruct_Spacing);
|
|
|
|
nsMargin outlineBorder;
|
|
outline->CalcBorderFor(aForFrame, outlineBorder);
|
|
|
|
nsMargin focusBorder;
|
|
focus->CalcBorderFor(aForFrame, focusBorder);
|
|
|
|
int left = (focusBorder.left > outlineBorder.left) ? focusBorder.left : outlineBorder.left;
|
|
int right = (focusBorder.right > outlineBorder.right) ? focusBorder.right : outlineBorder.right;
|
|
int top = (focusBorder.top > outlineBorder.top) ? focusBorder.top : outlineBorder.top;
|
|
int bottom = (focusBorder.bottom > outlineBorder.bottom) ? focusBorder.bottom : outlineBorder.bottom;
|
|
|
|
if (aShowFocus) {
|
|
int l = left - focusBorder.left;
|
|
int t = top - focusBorder.top;
|
|
int b = bottom - focusBorder.bottom;
|
|
int r = right - focusBorder.right;
|
|
|
|
int w = aRect.width - (l + r);
|
|
int h = aRect.height - (t + b);
|
|
|
|
nsRect focusRect(l, t, w, h);
|
|
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, focusRect, *focus, aStyleContext, 0);
|
|
}
|
|
|
|
if (aDrawOutline) {
|
|
int l = left - outlineBorder.left;
|
|
int t = top - outlineBorder.top;
|
|
int b = bottom - outlineBorder.bottom;
|
|
int r = right - outlineBorder.right;
|
|
|
|
int w = aRect.width - (l + r);
|
|
int h = aRect.height - (t + b);
|
|
|
|
nsRect outlineRect(l, t, w, h);
|
|
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, outlineRect, *outline, aStyleContext, 0);
|
|
}
|
|
|
|
rect.x += left;
|
|
rect.y += right;
|
|
rect.width -= (left + right);
|
|
rect.height -= (top + bottom);
|
|
|
|
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, rect, *color, *spacing, 0, 0);
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, rect, *spacing,aStyleContext, 0);
|
|
|
|
nsMargin border;
|
|
spacing->CalcBorderFor(aForFrame, border);
|
|
|
|
|
|
float p2t;
|
|
aPresContext.GetScaledPixelsToTwips(&p2t);
|
|
nscoord onePixel = NSIntPixelsToTwips(1, p2t);
|
|
|
|
nsRect outside(aRect.x, aRect.y, aRect.width, aRect.height);
|
|
outside.Deflate(border);
|
|
outside.Deflate(onePixel, onePixel);
|
|
|
|
nsRect inside(outside);
|
|
inside.Deflate(onePixel, onePixel);
|
|
|
|
/*
|
|
if (aShowFocus) {
|
|
PaintFocus(aRenderingContext,
|
|
aDirtyRect, inside, outside);
|
|
}
|
|
*/
|
|
|
|
aRenderingContext.SetColor(NS_RGB(255,255,255));
|
|
|
|
float appUnits;
|
|
float devUnits;
|
|
float scale;
|
|
nsIDeviceContext * context;
|
|
aRenderingContext.GetDeviceContext(context);
|
|
|
|
context->GetCanonicalPixelScale(scale);
|
|
context->GetAppUnitsToDevUnits(devUnits);
|
|
context->GetDevUnitsToAppUnits(appUnits);
|
|
|
|
nsFont font(aPresContext.GetDefaultFixedFontDeprecated());
|
|
formFrame->GetFont(&aPresContext, font);
|
|
|
|
aRenderingContext.SetFont(font);
|
|
|
|
nscoord ascent;
|
|
nscoord descent;
|
|
|
|
nscoord textWidth;
|
|
nscoord textHeight;
|
|
aRenderingContext.GetWidth(aLabel, textWidth);
|
|
|
|
nsIFontMetrics* metrics;
|
|
context->GetMetricsFor(font, metrics);
|
|
metrics->GetMaxAscent(ascent);
|
|
metrics->GetMaxDescent(descent);
|
|
textHeight = ascent + descent;
|
|
|
|
nscoord x = ((inside.width - textWidth) / 2) + inside.x;
|
|
nscoord y = ((inside.height - textHeight) / 2) + inside.y;
|
|
if (PR_TRUE == aPressed) {
|
|
x += onePixel;
|
|
y += onePixel;
|
|
}
|
|
|
|
if (aDisabled) {
|
|
aRenderingContext.SetColor(NS_RGB(255,255,255));
|
|
aRenderingContext.DrawString(aLabel, x+onePixel, y+onePixel);
|
|
}
|
|
|
|
aRenderingContext.SetColor(color->mColor);
|
|
aRenderingContext.DrawString(aLabel, x, y);
|
|
|
|
NS_RELEASE(context);
|
|
PRBool clipEmpty;
|
|
aRenderingContext.PopState(clipEmpty);
|
|
|
|
NS_RELEASE(formFrame);
|
|
}
|
|
|
|
|
|
void
|
|
nsFormControlHelper::GetCircularRect(PRUint32 aWidth, PRUint32 aHeight, nsRect& aRect)
|
|
{
|
|
if (aWidth > aHeight)
|
|
aRect.SetRect((aWidth/2) - (aHeight/2), 0, aHeight, aHeight);
|
|
else
|
|
aRect.SetRect(0, (aHeight/2) - (aWidth/2), aWidth, aWidth);
|
|
}
|
|
|
|
|
|
void
|
|
nsFormControlHelper::PaintCircularBackground(nsIPresContext& aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect, nsIStyleContext* aStyleContext, PRBool aInset,
|
|
nsIFrame* aForFrame, PRUint32 aWidth, PRUint32 aHeight)
|
|
{
|
|
float p2t;
|
|
aPresContext.GetScaledPixelsToTwips(&p2t);
|
|
nscoord onePixel = NSIntPixelsToTwips(1, p2t);
|
|
|
|
nsRect outside;
|
|
nsFormControlHelper::GetCircularRect(aWidth, aHeight, outside);
|
|
|
|
outside.Deflate(onePixel, onePixel);
|
|
outside.Deflate(onePixel, onePixel);
|
|
const nsStyleColor* color = (const nsStyleColor*)
|
|
aStyleContext->GetStyleData(eStyleStruct_Color);
|
|
aRenderingContext.SetColor(color->mBackgroundColor);
|
|
aRenderingContext.FillArc(outside, 0, 180);
|
|
aRenderingContext.FillArc(outside, 180, 360);
|
|
}
|
|
|
|
|
|
void
|
|
nsFormControlHelper::PaintCircularBorder(nsIPresContext& aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect, nsIStyleContext* aStyleContext, PRBool aInset,
|
|
nsIFrame* aForFrame, PRUint32 aWidth, PRUint32 aHeight)
|
|
{
|
|
const PRUint32 standardWidth = 180;
|
|
const PRUint32 standardHeight = 180;
|
|
|
|
aRenderingContext.PushState();
|
|
|
|
float p2t;
|
|
aPresContext.GetScaledPixelsToTwips(&p2t);
|
|
|
|
const nsStyleSpacing* spacing = (const nsStyleSpacing*)aStyleContext->GetStyleData(eStyleStruct_Spacing);
|
|
nsMargin border;
|
|
spacing->CalcBorderFor(aForFrame, border);
|
|
|
|
nscoord onePixel = NSIntPixelsToTwips(1, p2t);
|
|
nscoord twelvePixels = NSIntPixelsToTwips(12, p2t);
|
|
|
|
nsRect outside(0, 0, aWidth, aHeight);
|
|
|
|
PRBool standardSize = ((aWidth == standardWidth) && (aHeight == standardHeight));
|
|
if (PR_TRUE == standardSize) {
|
|
outside.SetRect(0, 0, twelvePixels, twelvePixels);
|
|
|
|
if (PR_TRUE == aInset) {
|
|
outside.Deflate(onePixel, onePixel);
|
|
outside.Deflate(onePixel, onePixel);
|
|
aRenderingContext.SetColor(NS_RGB(192,192,192));
|
|
aRenderingContext.FillArc(outside, 0, 180);
|
|
aRenderingContext.FillArc(outside, 180, 360);
|
|
outside.SetRect(0, 0, twelvePixels, twelvePixels);
|
|
}
|
|
|
|
// DrakGray
|
|
// PRUint8 borderStyle = aBorderStyle.GetBorderStyle(NS_SIDE_TOP),
|
|
// nscolor borderColor = aBorderStyle.GetBorderColor(NS_SIDE_TOP),
|
|
|
|
aRenderingContext.SetColor(NS_RGB(128,128,128));
|
|
// aRenderingContext.SetColor(borderColor);
|
|
PaintLine(aRenderingContext, 4, 0, 7, 0, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 2, 1, 3, 1, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 8, 1, 9, 1, PR_TRUE, 1, onePixel);
|
|
|
|
PaintLine(aRenderingContext, 1, 2, 1, 3, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 0, 4, 0, 7, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 1, 8, 1, 9, PR_FALSE, 1, onePixel);
|
|
|
|
// Black
|
|
// nscolor borderColor = aBorderStyle.GetBorderColor(NS_SIDE_BOTTOM);
|
|
// aRenderingContext.SetColor(borderColor);
|
|
aRenderingContext.SetColor(NS_RGB(0,0,0));
|
|
PaintLine(aRenderingContext, 4, 1, 7, 1, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 2, 2, 3, 2, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 8, 2, 9, 2, PR_TRUE, 1, onePixel);
|
|
|
|
PaintLine(aRenderingContext, 2, 2, 2, 3, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 1, 4, 1, 7, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 2, 8, 2, 8, PR_FALSE, 1, onePixel);
|
|
|
|
// Gray
|
|
aRenderingContext.SetColor(NS_RGB(192, 192, 192));
|
|
PaintLine(aRenderingContext, 2, 9, 3, 9, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 8, 9, 9, 9, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 4, 10, 7, 10, PR_TRUE, 1, onePixel);
|
|
|
|
PaintLine(aRenderingContext, 9, 3, 9, 3, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 10, 4, 10, 7, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 9, 8, 9, 9, PR_FALSE, 1, onePixel);
|
|
|
|
outside.Deflate(onePixel, onePixel);
|
|
outside.Deflate(onePixel, onePixel);
|
|
outside.Deflate(onePixel, onePixel);
|
|
outside.Deflate(onePixel, onePixel);
|
|
} else {
|
|
nsRect outside;
|
|
nsFormControlHelper::GetCircularRect(aWidth, aHeight, outside);
|
|
|
|
aRenderingContext.SetColor(NS_RGB(128,128,128));
|
|
aRenderingContext.FillArc(outside, 46, 225);
|
|
aRenderingContext.SetColor(NS_RGB(255,255,255));
|
|
aRenderingContext.FillArc(outside, 225, 360);
|
|
aRenderingContext.FillArc(outside, 0, 44);
|
|
|
|
outside.Deflate(onePixel, onePixel);
|
|
aRenderingContext.SetColor(NS_RGB(0,0,0));
|
|
aRenderingContext.FillArc(outside, 46, 225);
|
|
aRenderingContext.SetColor(NS_RGB(192,192,192));
|
|
aRenderingContext.FillArc(outside, 225, 360);
|
|
aRenderingContext.FillArc(outside, 0, 44);
|
|
}
|
|
|
|
PRBool clip;
|
|
aRenderingContext.PopState(clip);
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsFormControlHelper::GetName(nsIContent* aContent,nsString* aResult)
|
|
{
|
|
nsresult result = NS_FORM_NOTOK;
|
|
if (nsnull != aContent) {
|
|
nsIHTMLContent* formControl = nsnull;
|
|
result = aContent->QueryInterface(kIHTMLContentIID, (void**)&formControl);
|
|
if ((NS_OK == result) && formControl) {
|
|
nsHTMLValue value;
|
|
result = formControl->GetHTMLAttribute(nsHTMLAtoms::name, value);
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == result) {
|
|
if (eHTMLUnit_String == value.GetUnit()) {
|
|
value.GetStringValue(*aResult);
|
|
}
|
|
}
|
|
NS_RELEASE(formControl);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsFormControlHelper::GetValue(nsIContent* aContent, nsString* aResult)
|
|
{
|
|
nsresult result = NS_FORM_NOTOK;
|
|
if (nsnull != aContent) {
|
|
nsIHTMLContent* formControl = nsnull;
|
|
result = aContent->QueryInterface(kIHTMLContentIID, (void**)&formControl);
|
|
if ((NS_OK == result) && formControl) {
|
|
nsHTMLValue value;
|
|
result = formControl->GetHTMLAttribute(nsHTMLAtoms::value, value);
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == result) {
|
|
if (eHTMLUnit_String == value.GetUnit()) {
|
|
value.GetStringValue(*aResult);
|
|
}
|
|
}
|
|
NS_RELEASE(formControl);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
nsresult
|
|
nsFormControlHelper::GetInputElementValue(nsIContent* aContent, nsString* aText, PRBool aInitialValue)
|
|
{
|
|
nsresult result = NS_OK;
|
|
nsIDOMHTMLInputElement* inputElem = nsnull;
|
|
result = aContent->QueryInterface(kIDOMHTMLInputElementIID, (void**)&inputElem);
|
|
if ((NS_OK == result) && inputElem) {
|
|
if (PR_TRUE == aInitialValue) {
|
|
result = inputElem->GetDefaultValue(*aText);
|
|
}
|
|
else {
|
|
result = inputElem->GetValue(*aText);
|
|
}
|
|
|
|
NS_RELEASE(inputElem);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|