b23e7af50b
the printing of headers and footers. Printing of selection is implemented by the frames figuring out if they are in the selection and painting if they or not they they don't paint. This also only allows the printing of the first page of selections, alothough it is well documented where this is implemeted so it can be removed. Bugs 63426, 31218, 61075 r=dcone,kmcclusk,erik,buster sr=waterson git-svn-id: svn://10.0.0.236/trunk@85624 18797224-902f-48f8-a5cc-f745e15eee43
936 lines
32 KiB
C++
936 lines
32 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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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 "nsIComponentManager.h"
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#include "nsGUIEvent.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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// Needed for Localization
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#include "nsIServiceManager.h"
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#include "nsIIOService.h"
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#include "nsIURI.h"
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#include "nsIStringBundle.h"
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#include "nsITextContent.h"
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#include "nsISupportsArray.h"
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#include "nsXPIDLString.h"
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static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
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static NS_DEFINE_CID(kStringBundleServiceCID, NS_STRINGBUNDLESERVICE_CID);
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// done I10N
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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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// For figuring out the "WRAP" property
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#define kTextControl_Wrap_Soft "SOFT"
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#define kTextControl_Wrap_Virtual "VIRTUAL" // "virtual" is a synonym for "soft"
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#define kTextControl_Wrap_Hard "HARD"
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#define kTextControl_Wrap_Physical "PHYSICAL" // "physical" is a synonym for "hard"
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#define kTextControl_Wrap_Off "OFF"
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MOZ_DECL_CTOR_COUNTER(nsFormControlHelper);
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nsFormControlHelper::nsFormControlHelper()
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{
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MOZ_COUNT_CTOR(nsFormControlHelper);
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}
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nsFormControlHelper::~nsFormControlHelper()
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{
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MOZ_COUNT_DTOR(nsFormControlHelper);
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}
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void nsFormControlHelper::ForceDrawFrame(nsIPresContext* aPresContext, 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(aPresContext, 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, NS_VMREFRESH_NO_SYNC);
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NS_RELEASE(viewMgr);
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}
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}
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}
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void nsFormControlHelper::PlatformToDOMLineBreaks(nsString &aString)
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{
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// Windows linebreaks: Map CRLF to LF:
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aString.ReplaceSubstring(NS_ConvertASCIItoUCS2("\r\n"), NS_ConvertASCIItoUCS2("\n"));
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// Mac linebreaks: Map any remaining CR to LF:
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aString.ReplaceSubstring(NS_ConvertASCIItoUCS2("\r"), NS_ConvertASCIItoUCS2("\n"));
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}
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PRBool nsFormControlHelper::GetBool(const nsAReadableString& aValue)
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{
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return aValue.Equals(NS_STRING_TRUE);
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}
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void nsFormControlHelper::GetBoolString(const PRBool aValue,
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nsAWritableString& aResult)
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{
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if (aValue)
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aResult.Assign(NS_STRING_TRUE);
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else
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aResult.Assign(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 = 'W';
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char2 = 'w';
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return eCompatibility_Standard;
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} else {
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char1 = 'W';
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char2 = 'w';
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return eCompatibility_NavQuirks;
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}
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}
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nsresult nsFormControlHelper::GetFrameFontFM(nsIPresContext* aPresContext,
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nsIFormControlFrame * aFrame,
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nsIFontMetrics** aFontMet)
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{
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// Initialize with default font
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const nsFont * font = nsnull;
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// Get frame font
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if (NS_SUCCEEDED(aFrame->GetFont(aPresContext, font))) {
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nsCOMPtr<nsIDeviceContext> deviceContext;
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aPresContext->GetDeviceContext(getter_AddRefs(deviceContext));
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NS_ASSERTION(deviceContext, "Couldn't get the device context");
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if (font != nsnull) { // Get font metrics
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return deviceContext->GetMetricsFor(*font, *aFontMet);
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}
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}
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return NS_ERROR_FAILURE;
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}
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nsresult
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nsFormControlHelper::GetWrapProperty(nsIContent * aContent, nsString &aOutValue)
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{
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aOutValue.SetLength(0);
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nsresult result = NS_CONTENT_ATTR_NOT_THERE;
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nsIHTMLContent* content = nsnull;
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aContent->QueryInterface(kIHTMLContentIID, (void**) &content);
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if (nsnull != content) {
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nsHTMLValue value;
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result = content->GetHTMLAttribute(nsHTMLAtoms::wrap, value);
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if (eHTMLUnit_String == value.GetUnit()) {
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value.GetStringValue(aOutValue);
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}
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NS_RELEASE(content);
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}
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return result;
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}
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nsresult
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nsFormControlHelper::GetWrapPropertyEnum(nsIContent * aContent, nsHTMLTextWrap& aWrapProp)
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{
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nsString wrap;
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aWrapProp = eHTMLTextWrap_Off; // the default
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nsresult result = GetWrapProperty(aContent, wrap);
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if (NS_CONTENT_ATTR_NOT_THERE != result) {
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nsAutoString wrapHard; wrapHard.AssignWithConversion(kTextControl_Wrap_Hard);
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nsAutoString wrapPhysical; wrapPhysical.AssignWithConversion(kTextControl_Wrap_Physical);
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if (wrap.EqualsIgnoreCase(wrapHard) ||
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wrap.EqualsIgnoreCase(wrapPhysical)) {
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aWrapProp = eHTMLTextWrap_Hard;
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return result;
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}
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nsAutoString wrapSoft; wrapSoft.AssignWithConversion(kTextControl_Wrap_Soft);
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nsAutoString wrapVirtual; wrapVirtual.AssignWithConversion(kTextControl_Wrap_Virtual);
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if (wrap.EqualsIgnoreCase(wrapSoft) ||
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wrap.EqualsIgnoreCase(wrapVirtual)) {
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aWrapProp = eHTMLTextWrap_Soft;
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return result;
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}
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}
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return result;
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}
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nscoord
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nsFormControlHelper::CalcNavQuirkSizing(nsIPresContext* aPresContext,
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nsIRenderingContext* aRendContext,
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nsIFontMetrics* aFontMet,
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nsIFormControlFrame* aFrame,
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nsInputDimensionSpec& aSpec,
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nsSize& aSize)
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{
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float p2t;
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float t2p;
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aPresContext->GetPixelsToTwips(&p2t);
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aPresContext->GetTwipsToPixels(&t2p);
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nscoord ascent;
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nscoord descent;
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nscoord maxCharWidth;
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aFontMet->GetMaxAscent(ascent);
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aFontMet->GetMaxDescent(descent);
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aFontMet->GetMaxAdvance(maxCharWidth);
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ascent = NSToCoordRound(ascent * t2p);
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descent = NSToCoordRound(descent * t2p);
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maxCharWidth = NSToCoordRound(maxCharWidth * t2p);
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char char1, char2;
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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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char1Width = NSToCoordRound(char1Width * t2p);
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char2Width = NSToCoordRound(char2Width * t2p);
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// Nav Quirk Calculation for TextField
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PRInt32 type;
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aFrame->GetType(&type);
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nscoord width;
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nscoord hgt;
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nscoord height;
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nscoord average = 0;
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if ((NS_FORM_INPUT_TEXT == type) || (NS_FORM_INPUT_PASSWORD == type)) {
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average = (char1Width + char2Width) / 2;
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width = maxCharWidth;
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hgt = ascent + descent;
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height = hgt + (hgt / 2);
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width += aSpec.mColDefaultSize * average;
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} else if (NS_FORM_TEXTAREA == type) {
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nscoord lines = 1;
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nscoord scrollbarWidth = 0;
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nscoord scrollbarHeight = 0;
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float scale;
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nsCOMPtr<nsIDeviceContext> dx;
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aPresContext->GetDeviceContext(getter_AddRefs(dx));
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if (dx) {
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float sbWidth;
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float sbHeight;
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dx->GetCanonicalPixelScale(scale);
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dx->GetScrollBarDimensions(sbWidth, sbHeight);
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scrollbarWidth = PRInt32(sbWidth * scale);
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scrollbarHeight = PRInt32(sbHeight * scale);
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scrollbarWidth = NSToCoordRound(scrollbarWidth * t2p);
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scrollbarHeight = NSToCoordRound(scrollbarHeight * t2p);
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} else {
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NS_ASSERTION(0, "Couldn't get the device context");
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scrollbarWidth = 16;
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scrollbarHeight = 16;
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}
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nsIContent * content;
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aFrame->GetFormContent(content);
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nsCOMPtr<nsIHTMLContent> hContent(do_QueryInterface(content));
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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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lines = (rowAttrInt > 0) ? rowAttrInt : 1;
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} else {
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lines = aSpec.mRowDefaultSize;
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}
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average = (char1Width + char2Width) / 2;
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width = ((aSpec.mColDefaultSize + 1) * average) + scrollbarWidth;
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hgt = ascent + descent;
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height = (lines + 1) * hgt;
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// then if not word wrapping
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nsHTMLTextWrap wrapProp;
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nsFormControlHelper::GetWrapPropertyEnum(content, wrapProp);
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if (wrapProp == eHTMLTextWrap_Off) {
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height += scrollbarHeight;
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}
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NS_RELEASE(content);
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} else if (NS_FORM_INPUT_BUTTON == type ||
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NS_FORM_INPUT_SUBMIT == type ||
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NS_FORM_INPUT_RESET == type) {
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GetTextSize(aPresContext, aFrame, *aSpec.mColDefaultValue, aSize, aRendContext);
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aSize.width = NSToCoordRound(aSize.width * t2p);
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aSize.height = NSToCoordRound(aSize.height * t2p);
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width = 3 * aSize.width / 2;
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height = 3 * aSize.height / 2;
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} else if (NS_FORM_INPUT_HIDDEN == type) {
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width = 0;
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height = 0;
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} else {
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width = 0;
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height = 0;
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}
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#ifdef DEBUG_rodsXXXX
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printf("********* Nav Quirks: %d,%d max:%d average:%d ascent:%d descent:%d\n",
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width, height, maxCharWidth, average, ascent, descent);
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#endif
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aSize.width = NSIntPixelsToTwips(width, p2t);
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aSize.height = NSIntPixelsToTwips(height, p2t);
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average = NSIntPixelsToTwips(average, p2t);
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return average;
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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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nsCOMPtr<nsIFontMetrics> fontMet;
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nsresult res = GetFrameFontFM(aPresContext, aFrame, getter_AddRefs(fontMet));
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if (NS_SUCCEEDED(res) && fontMet) {
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aRendContext->SetFont(fontMet);
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// measure string
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aRendContext->GetWidth(aString, aSize.width);
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fontMet->GetHeight(aSize.height);
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} else {
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NS_ASSERTION(PR_FALSE, "Couldn't get Font Metrics");
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aSize.width = 0;
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}
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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 + char2Width) / 2;
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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.AppendWithConversion(char1);
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}
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for (i = 1; i < aNumChars; i+=2) {
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val.AppendWithConversion(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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|
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const nsStylePosition* pos;
|
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nsIFrame* iFrame = nsnull;
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nsresult rv = aFrame->QueryInterface(NS_GET_IID(nsIFrame), (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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nsCompatibility qMode;
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aPresContext->GetCompatibilityMode(&qMode);
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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
|
|
// XXX this conflicts with a default of 20 found in nsGfxTextControlFrame.
|
|
aDesiredSize.width = NSIntPixelsToTwips(col, p2t);
|
|
} else {
|
|
col = (col <= 0) ? 1 : col; // XXX why a default of 1 char, why hide it
|
|
if (eCompatibility_NavQuirks == qMode) {
|
|
nsCOMPtr<nsIFontMetrics> fontMet;
|
|
nsresult res = GetFrameFontFM(aPresContext, aFrame, getter_AddRefs(fontMet));
|
|
if (NS_SUCCEEDED(res) && fontMet) {
|
|
aRendContext->SetFont(fontMet);
|
|
aSpec.mColDefaultSize = col;
|
|
charWidth = CalcNavQuirkSizing(aPresContext, aRendContext, fontMet,
|
|
aFrame, aSpec, aDesiredSize);
|
|
} else {
|
|
charWidth = GetTextSize(aPresContext, aFrame, col, aDesiredSize, aRendContext);
|
|
}
|
|
}
|
|
}
|
|
if (eCompatibility_Standard == qMode) {
|
|
if (aSpec.mColSizeAttrInPixels) {
|
|
aWidthExplicit = PR_TRUE;
|
|
}
|
|
}
|
|
aMinSize.width = aDesiredSize.width;
|
|
} else {
|
|
// set aDesiredSize for height calculation below. CSS may override width
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == valStatus) { // use width of initial value
|
|
charWidth = GetTextSize(aPresContext, aFrame, valAttr, aDesiredSize, aRendContext);
|
|
} else if (aSpec.mColDefaultValue) { // use default value
|
|
charWidth = GetTextSize(aPresContext, aFrame, *aSpec.mColDefaultValue, aDesiredSize, aRendContext);
|
|
} else if (aSpec.mColDefaultSizeInPixels) { // use default width in pixels
|
|
charWidth = GetTextSize(aPresContext, aFrame, 1, aDesiredSize, aRendContext);
|
|
aDesiredSize.width = aSpec.mColDefaultSize;
|
|
} else { // use default width in num characters
|
|
if (eCompatibility_NavQuirks == qMode) {
|
|
nsCOMPtr<nsIFontMetrics> fontMet;
|
|
nsresult res = GetFrameFontFM(aPresContext, aFrame, getter_AddRefs(fontMet));
|
|
if (NS_SUCCEEDED(res) && fontMet) {
|
|
aRendContext->SetFont(fontMet);
|
|
// this passes in a
|
|
charWidth = CalcNavQuirkSizing(aPresContext, aRendContext, fontMet,
|
|
aFrame, aSpec, aDesiredSize);
|
|
} else {
|
|
NS_ASSERTION(fontMet, "Couldn't get Font Metrics");
|
|
aDesiredSize.width = 300; // arbitrary values
|
|
aDesiredSize.width = 1500;
|
|
}
|
|
} else {
|
|
charWidth = GetTextSize(aPresContext, aFrame, aSpec.mColDefaultSize, aDesiredSize, aRendContext);
|
|
}
|
|
}
|
|
aMinSize.width = aDesiredSize.width;
|
|
if (CSS_NOTSET != aCSSSize.width) { // css provides width
|
|
NS_ASSERTION(aCSSSize.width >= 0, "form control's computed width is < 0");
|
|
if (NS_INTRINSICSIZE != aCSSSize.width) {
|
|
aDesiredSize.width = PR_MAX(aDesiredSize.width,aCSSSize.width);
|
|
aWidthExplicit = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
aRowHeight = aDesiredSize.height;
|
|
aMinSize.height = aDesiredSize.height;
|
|
|
|
// determine the height
|
|
if (eCompatibility_Standard == qMode) {
|
|
nsHTMLValue rowAttr;
|
|
nsresult rowStatus = NS_CONTENT_ATTR_NOT_THERE;
|
|
if (nsnull != aSpec.mRowSizeAttr) {
|
|
rowStatus = hContent->GetHTMLAttribute(aSpec.mRowSizeAttr, rowAttr);
|
|
}
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == rowStatus) { // row attr will provide height
|
|
PRInt32 rowAttrInt = ((rowAttr.GetUnit() == eHTMLUnit_Pixel)
|
|
? rowAttr.GetPixelValue() : rowAttr.GetIntValue());
|
|
numRows = (rowAttrInt > 0) ? rowAttrInt : 1;
|
|
aDesiredSize.height = aDesiredSize.height * numRows;
|
|
} else {
|
|
aDesiredSize.height = aDesiredSize.height * aSpec.mRowDefaultSize;
|
|
if (CSS_NOTSET != aCSSSize.height) { // css provides height
|
|
NS_ASSERTION(aCSSSize.height > 0, "form control's computed height is <= 0");
|
|
if (NS_INTRINSICSIZE != aCSSSize.height) {
|
|
aDesiredSize.height = PR_MAX(aDesiredSize.height,aCSSSize.height);
|
|
aHeightExplicit = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
NS_RELEASE(hContent);
|
|
if (ATTR_NOTSET == numRows) {
|
|
numRows = (aRowHeight > 0) ? (aDesiredSize.height / aRowHeight) : 0;
|
|
}
|
|
|
|
NS_RELEASE(iContent);
|
|
|
|
return numRows;
|
|
}
|
|
|
|
|
|
// this handles all of the input types rather than having them do it.
|
|
nsresult
|
|
nsFormControlHelper::GetFont(nsIFormControlFrame * aFormFrame,
|
|
nsIPresContext* aPresContext,
|
|
nsIStyleContext * aStyleContext,
|
|
const nsFont*& aFont)
|
|
{
|
|
const nsStyleFont* styleFont = (const nsStyleFont*)aStyleContext->GetStyleData(eStyleStruct_Font);
|
|
|
|
nsWidgetRendering m;
|
|
aPresContext->GetWidgetRenderingMode(&m);
|
|
|
|
// only add in padding if we are not Gfx, excluding the text widgets
|
|
PRBool requiresWidget = PR_FALSE;
|
|
aFormFrame->RequiresWidget(requiresWidget);
|
|
|
|
PRInt32 type;
|
|
aFormFrame->GetType(&type);
|
|
|
|
if (type!=NS_FORM_INPUT_TEXT &&
|
|
type!=NS_FORM_TEXTAREA &&
|
|
type!=NS_FORM_INPUT_PASSWORD) {
|
|
if (PR_TRUE != requiresWidget && eWidgetRendering_Gfx == m) {
|
|
aFont = &styleFont->mFont;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
nsCompatibility mode;
|
|
aPresContext->GetCompatibilityMode(&mode);
|
|
|
|
if (eCompatibility_Standard == mode) {
|
|
aFont = &styleFont->mFont;
|
|
return NS_OK;
|
|
}
|
|
|
|
switch (type) {
|
|
case NS_FORM_INPUT_TEXT:
|
|
case NS_FORM_TEXTAREA:
|
|
case NS_FORM_INPUT_PASSWORD:
|
|
aFont = &styleFont->mFont;
|
|
break;
|
|
case NS_FORM_INPUT_BUTTON:
|
|
case NS_FORM_INPUT_SUBMIT:
|
|
case NS_FORM_INPUT_RESET:
|
|
case NS_FORM_SELECT:
|
|
NS_ASSERTION(0, "getting the font here has been predicated");
|
|
#if 0
|
|
if ((styleFont->mFlags & NS_STYLE_FONT_FACE_EXPLICIT) ||
|
|
(styleFont->mFlags & NS_STYLE_FONT_SIZE_EXPLICIT)) {
|
|
aFont = styleFont->mFixedFont;
|
|
aFont.weight = NS_FONT_WEIGHT_NORMAL; // always normal weight
|
|
aFont.size = styleFont->mFont.size; // normal font size
|
|
if (0 == (styleFont->mFlags & NS_STYLE_FONT_FACE_EXPLICIT)) {
|
|
aFont.name = "Arial"; // XXX windows specific font
|
|
}
|
|
} else {
|
|
// use arial, scaled down one HTML size
|
|
// italics, decoration & variant(?) get used
|
|
aFont = styleFont->mFont;
|
|
aFont.name = "Arial"; // XXX windows specific font
|
|
aFont.weight = NS_FONT_WEIGHT_NORMAL;
|
|
const nsFont& normal = aPresContext->GetDefaultFontDeprecated();
|
|
PRInt32 scaler;
|
|
aPresContext->GetFontScaler(&scaler);
|
|
float scaleFactor = nsStyleUtil::GetScalingFactor(scaler);
|
|
PRInt32 fontIndex = nsStyleUtil::FindNextSmallerFontSize(aFont.size, (PRInt32)normal.size, scaleFactor, aPresContext);
|
|
aFont.size = nsStyleUtil::CalcFontPointSize(fontIndex, (PRInt32)normal.size, scaleFactor, aPresContext);
|
|
}
|
|
#endif
|
|
break;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
//
|
|
//-------------------------------------------------------------------------------------
|
|
// Utility methods for rendering Form Elements using GFX
|
|
//-------------------------------------------------------------------------------------
|
|
//
|
|
|
|
void
|
|
nsFormControlHelper::PaintLine(nsIRenderingContext& aRenderingContext,
|
|
nscoord aSX, nscoord aSY, nscoord aEX, nscoord aEY,
|
|
PRBool aHorz, nscoord aWidth, nscoord aOnePixel)
|
|
{
|
|
|
|
nsPoint p[5];
|
|
if (aHorz) {
|
|
aEX++;
|
|
p[0].x = nscoord(float(aSX)*aOnePixel);
|
|
p[0].y = nscoord(float(aSY)*aOnePixel);
|
|
p[1].x = nscoord(float(aEX)*aOnePixel);
|
|
p[1].y = nscoord(float(aEY)*aOnePixel);
|
|
p[2].x = nscoord(float(aEX)*aOnePixel);
|
|
p[2].y = nscoord(float(aEY+1)*aOnePixel);
|
|
p[3].x = nscoord(float(aSX)*aOnePixel);
|
|
p[3].y = nscoord(float(aSY+1)*aOnePixel);
|
|
p[4].x = nscoord(float(aSX)*aOnePixel);
|
|
p[4].y = nscoord(float(aSY)*aOnePixel);
|
|
} else {
|
|
aEY++;
|
|
p[0].x = nscoord(float(aSX)*aOnePixel);
|
|
p[0].y = nscoord(float(aSY)*aOnePixel);
|
|
p[1].x = nscoord(float(aEX)*aOnePixel);
|
|
p[1].y = nscoord(float(aEY)*aOnePixel);
|
|
p[2].x = nscoord(float(aEX+1)*aOnePixel);
|
|
p[2].y = nscoord(float(aEY)*aOnePixel);
|
|
p[3].x = nscoord(float(aSX+1)*aOnePixel);
|
|
p[3].y = nscoord(float(aSY)*aOnePixel);
|
|
p[4].x = nscoord(float(aSX)*aOnePixel);
|
|
p[4].y = nscoord(float(aSY)*aOnePixel);
|
|
}
|
|
aRenderingContext.FillPolygon(p, 5);
|
|
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
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::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, const nsRect & aRect)
|
|
{
|
|
// Width and height of the fixed size checkmark in TWIPS.
|
|
const PRInt32 fixedSizeCheckmarkWidth = 165;
|
|
const PRInt32 fixedSizeCheckmarkHeight = 165;
|
|
|
|
if ((fixedSizeCheckmarkWidth == aRect.width) &&
|
|
(fixedSizeCheckmarkHeight == aRect.height)) {
|
|
// 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 = aRect.width / checksize;
|
|
if (aRect.height < aRect.width) {
|
|
size = aRect.height / 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)) + (aRect.width / 2) + aRect.x);
|
|
defIndex++;
|
|
checkedPolygon[polyIndex].y = nscoord((((checkedPolygonDef[defIndex]) - centery) * (size)) + (aRect.height / 2) + aRect.y);
|
|
polyIndex++;
|
|
}
|
|
|
|
aRenderingContext.FillPolygon(checkedPolygon, checkpoints);
|
|
}
|
|
|
|
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(NS_GET_IID(nsIDOMHTMLInputElement), (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;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------
|
|
// Return localised string for resource string (e.g. "Submit" -> "Submit Query")
|
|
// This code is derived from nsBookmarksService::Init() and cookie_Localize()
|
|
nsresult
|
|
nsFormControlHelper::GetLocalizedString(const char * aPropFileName, const char* aKey, nsString& oVal)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsIStringBundle> bundle;
|
|
|
|
// Create a URL for the string resource file
|
|
// Create a bundle for the localization
|
|
NS_WITH_SERVICE(nsIIOService, pNetService, kIOServiceCID, &rv);
|
|
if (NS_SUCCEEDED(rv) && pNetService) {
|
|
nsCOMPtr<nsIURI> uri;
|
|
rv = pNetService->NewURI(aPropFileName, nsnull, getter_AddRefs(uri));
|
|
if (NS_SUCCEEDED(rv) && uri) {
|
|
|
|
// Create bundle
|
|
NS_WITH_SERVICE(nsIStringBundleService, stringService, kStringBundleServiceCID, &rv);
|
|
if (NS_SUCCEEDED(rv) && stringService) {
|
|
nsXPIDLCString spec;
|
|
rv = uri->GetSpec(getter_Copies(spec));
|
|
if (NS_SUCCEEDED(rv) && spec) {
|
|
nsCOMPtr<nsILocale> locale = nsnull;
|
|
rv = stringService->CreateBundle(spec, locale, getter_AddRefs(bundle));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Determine default label from string bundle
|
|
if (NS_SUCCEEDED(rv) && bundle && aKey) {
|
|
nsXPIDLString valUni;
|
|
nsAutoString key; key.AssignWithConversion(aKey);
|
|
rv = bundle->GetStringFromName(key.GetUnicode(), getter_Copies(valUni));
|
|
if (NS_SUCCEEDED(rv) && valUni) {
|
|
oVal.Assign(valUni);
|
|
} else {
|
|
oVal.Truncate();
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
// Return value of disabled attribute or PR_FALSE if none set
|
|
nsresult
|
|
nsFormControlHelper::GetDisabled(nsIContent* aContent, PRBool* oIsDisabled)
|
|
{
|
|
nsCOMPtr<nsIHTMLContent> formControl = do_QueryInterface(aContent);
|
|
nsHTMLValue value;
|
|
nsresult result = formControl->GetHTMLAttribute(nsHTMLAtoms::disabled, value);
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == result) {
|
|
if (eHTMLUnit_Empty == value.GetUnit()) {
|
|
*oIsDisabled = PR_TRUE;
|
|
} else {
|
|
*oIsDisabled = PR_FALSE;
|
|
}
|
|
} else {
|
|
*oIsDisabled = PR_FALSE;
|
|
}
|
|
return NS_OK;
|
|
}
|