a86f4802a3
and capture style change information git-svn-id: svn://10.0.0.236/trunk@35705 18797224-902f-48f8-a5cc-f745e15eee43
564 lines
17 KiB
C++
564 lines
17 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 "nsFileControlFrame.h"
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#include "nsFormControlHelper.h"
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#include "nsButtonControlFrame.h"
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#include "nsHTMLParts.h"
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#include "nsIRenderingContext.h"
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#include "nsIPresContext.h"
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#include "nsIPresShell.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 "nsIButton.h"
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#include "nsIViewManager.h"
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#include "nsISupports.h"
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#include "nsHTMLAtoms.h"
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#include "nsIButton.h"
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#include "nsIView.h"
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#include "nsViewsCID.h"
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#include "nsWidgetsCID.h"
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#include "nsIDeviceContext.h"
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#include "nsIFontMetrics.h"
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#include "nsIFormControl.h"
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#include "nsStyleUtil.h"
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#include "nsDOMEvent.h"
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#include "nsStyleConsts.h"
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#include "nsIHTMLAttributes.h"
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#include "nsGenericHTMLElement.h"
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#include "nsFormFrame.h"
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#include "nsILookAndFeel.h"
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#include "nsCOMPtr.h"
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#include "nsDOMEvent.h"
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#include "nsIViewManager.h"
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static NS_DEFINE_IID(kIFormControlIID, NS_IFORMCONTROL_IID);
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static NS_DEFINE_IID(kIButtonIID, NS_IBUTTON_IID);
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static NS_DEFINE_IID(kLookAndFeelCID, NS_LOOKANDFEEL_CID);
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static NS_DEFINE_IID(kILookAndFeelIID, NS_ILOOKANDFEEL_IID);
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nsButtonControlFrame::nsButtonControlFrame()
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{
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mRenderer.SetNameSpace(kNameSpaceID_None);
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}
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NS_IMETHODIMP
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nsButtonControlFrame::Init(nsIPresContext& aPresContext,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsIStyleContext* aContext,
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nsIFrame* aPrevInFlow)
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{
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nsresult rv = nsFormControlFrame::Init(aPresContext, aContent, aParent, aContext, aPrevInFlow);
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mRenderer.SetFrame(this,aPresContext);
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return rv;
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}
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void
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nsButtonControlFrame::GetDefaultLabel(nsString& aString)
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{
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PRInt32 type;
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GetType(&type);
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if (NS_FORM_INPUT_RESET == type) {
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aString = "Reset";
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}
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else if (NS_FORM_INPUT_SUBMIT == type) {
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aString = "Submit Query";
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}
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else if (NS_FORM_BROWSE == type) {
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aString = "Browse...";
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}
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else {
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aString = " ";
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}
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}
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PRBool
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nsButtonControlFrame::IsSuccessful(nsIFormControlFrame* aSubmitter)
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{
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PRInt32 type;
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GetType(&type);
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if ((NS_FORM_INPUT_HIDDEN == type) || (this == aSubmitter)) {
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return nsFormControlFrame::IsSuccessful(aSubmitter);
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} else {
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return PR_FALSE;
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}
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}
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PRInt32
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nsButtonControlFrame::GetMaxNumValues()
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{
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PRInt32 type;
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GetType(&type);
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if ((NS_FORM_INPUT_SUBMIT == type) || (NS_FORM_INPUT_HIDDEN == type)) {
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return 1;
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} else {
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return 0;
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}
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}
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PRBool
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nsButtonControlFrame::GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
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nsString* aValues, nsString* aNames)
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{
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nsAutoString name;
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nsresult result = GetName(&name);
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if ((aMaxNumValues <= 0) || (NS_CONTENT_ATTR_HAS_VALUE != result)) {
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return PR_FALSE;
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}
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PRInt32 type;
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GetType(&type);
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if (NS_FORM_INPUT_RESET == type) {
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aNumValues = 0;
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return PR_FALSE;
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} else {
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nsAutoString value;
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/*XXX nsresult valResult = */GetValue(&value);
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aValues[0] = value;
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aNames[0] = name;
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aNumValues = 1;
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return PR_TRUE;
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}
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}
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nsresult
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NS_NewButtonControlFrame(nsIFrame** aNewFrame)
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{
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NS_PRECONDITION(aNewFrame, "null OUT ptr");
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if (nsnull == aNewFrame) {
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return NS_ERROR_NULL_POINTER;
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}
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nsButtonControlFrame* it = new nsButtonControlFrame;
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if (!it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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*aNewFrame = it;
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return NS_OK;
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}
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nscoord
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nsButtonControlFrame::GetVerticalBorderWidth(float aPixToTwip) const
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{
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return NSIntPixelsToTwips(4, aPixToTwip);
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}
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nscoord
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nsButtonControlFrame::GetHorizontalBorderWidth(float aPixToTwip) const
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{
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return GetVerticalBorderWidth(aPixToTwip);
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}
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nscoord
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nsButtonControlFrame::GetVerticalInsidePadding(float aPixToTwip,
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nscoord aInnerHeight) const
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{
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float pad;
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nsILookAndFeel * lookAndFeel;
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if (NS_OK == nsComponentManager::CreateInstance(kLookAndFeelCID, nsnull, kILookAndFeelIID, (void**)&lookAndFeel)) {
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lookAndFeel->GetMetric(nsILookAndFeel::eMetricFloat_ButtonVerticalInsidePadding, pad);
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NS_RELEASE(lookAndFeel);
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}
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return (nscoord)NSToIntRound((float)aInnerHeight * pad);
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}
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nscoord
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nsButtonControlFrame::GetHorizontalInsidePadding(nsIPresContext& aPresContext,
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float aPixToTwip,
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nscoord aInnerWidth,
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nscoord aCharWidth) const
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{
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nsCompatibility mode;
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aPresContext.GetCompatibilityMode(&mode);
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float pad;
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PRInt32 padQuirks;
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PRInt32 padQuirksOffset;
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nsILookAndFeel * lookAndFeel;
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if (NS_OK == nsComponentManager::CreateInstance(kLookAndFeelCID, nsnull, kILookAndFeelIID, (void**)&lookAndFeel)) {
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lookAndFeel->GetMetric(nsILookAndFeel::eMetricFloat_ButtonHorizontalInsidePadding, pad);
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lookAndFeel->GetMetric(nsILookAndFeel::eMetric_ButtonHorizontalInsidePaddingNavQuirks, padQuirks);
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lookAndFeel->GetMetric(nsILookAndFeel::eMetric_ButtonHorizontalInsidePaddingOffsetNavQuirks, padQuirksOffset);
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NS_RELEASE(lookAndFeel);
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}
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if (eCompatibility_NavQuirks == mode) {
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return (nscoord)NSToIntRound(float(aInnerWidth) * pad);
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} else {
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return NSIntPixelsToTwips(padQuirks, aPixToTwip) + padQuirksOffset;
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}
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}
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//
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// ReResolveStyleContext
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//
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// When the style context changes, make sure that all of our styles are still up to date.
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//
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NS_IMETHODIMP
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nsButtonControlFrame::ReResolveStyleContext ( nsIPresContext* aPresContext, nsIStyleContext* aParentContext,
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PRInt32 aParentChange,
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nsStyleChangeList* aChangeList, PRInt32* aLocalChange)
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{
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// this re-resolves |mStyleContext|, so it may change
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nsresult rv = nsFormControlFrame::ReResolveStyleContext(aPresContext, aParentContext,
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aParentChange, aChangeList, aLocalChange);
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if (NS_FAILED(rv)) {
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return rv;
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}
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if (NS_COMFALSE != rv) { // frame style changed
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if (aLocalChange) {
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aParentChange = *aLocalChange; // tell children about or change
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}
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}
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mRenderer.ReResolveStyles(*aPresContext, aParentChange, aChangeList, aLocalChange);
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return rv;
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} // ReResolveStyleContext
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NS_IMETHODIMP
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nsButtonControlFrame::AttributeChanged(nsIPresContext* aPresContext,
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nsIContent* aChild,
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nsIAtom* aAttribute,
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PRInt32 aHint)
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{
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nsresult result = NS_OK;
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if (mWidget) {
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if (nsHTMLAtoms::value == aAttribute) {
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nsIButton* button = nsnull;
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result = mWidget->QueryInterface(kIButtonIID, (void**)&button);
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if ((NS_SUCCEEDED(result)) && (nsnull != button)) {
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nsString value;
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/*XXXnsresult result = */GetValue(&value);
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button->SetLabel(value);
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NS_RELEASE(button);
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nsFormFrame::StyleChangeReflow(aPresContext, this);
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}
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} else if (nsHTMLAtoms::size == aAttribute) {
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nsFormFrame::StyleChangeReflow(aPresContext, this);
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}
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// Allow the base class to handle common attributes supported
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// by all form elements...
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else {
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result = nsFormControlFrame::AttributeChanged(aPresContext, aChild, aAttribute, aHint);
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}
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}
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return result;
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}
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NS_METHOD
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nsButtonControlFrame::Paint(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer)
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{
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const nsStyleDisplay* disp = (const nsStyleDisplay*)
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mStyleContext->GetStyleData(eStyleStruct_Display);
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if (!disp->mVisible)
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return NS_OK;
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nsRect rect(0, 0, mRect.width, mRect.height);
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mRenderer.PaintButton(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer, rect);
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if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) {
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nsString label;
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nsresult result = GetValue(&label);
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if (NS_CONTENT_ATTR_HAS_VALUE != result) {
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GetDefaultLabel(label);
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}
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nsRect content;
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mRenderer.GetButtonContentRect(rect,content);
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// paint the title
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const nsStyleFont* fontStyle = (const nsStyleFont*)mStyleContext->GetStyleData(eStyleStruct_Font);
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const nsStyleColor* colorStyle = (const nsStyleColor*)mStyleContext->GetStyleData(eStyleStruct_Color);
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aRenderingContext.SetFont(fontStyle->mFont);
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// if disabled paint
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if (PR_TRUE == mRenderer.isDisabled())
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{
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float p2t;
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aPresContext.GetScaledPixelsToTwips(&p2t);
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nscoord pixel = NSIntPixelsToTwips(1, p2t);
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aRenderingContext.SetColor(NS_RGB(255,255,255));
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aRenderingContext.DrawString(label, content.x + pixel, content.y+ pixel);
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}
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aRenderingContext.SetColor(colorStyle->mColor);
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aRenderingContext.DrawString(label, content.x, content.y);
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}
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return NS_OK;
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}
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void
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nsButtonControlFrame::MouseClicked(nsIPresContext* aPresContext)
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{
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PRInt32 type;
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GetType(&type);
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if ((nsnull != mFormFrame) && !nsFormFrame::GetDisabled(this)) {
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nsEventStatus status = nsEventStatus_eIgnore;
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nsEvent event;
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event.eventStructType = NS_EVENT;
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nsIContent *formContent = nsnull;
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mFormFrame->GetContent(&formContent);
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switch(type) {
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case NS_FORM_INPUT_RESET:
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event.message = NS_FORM_RESET;
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if (nsnull != formContent) {
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formContent->HandleDOMEvent(*aPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, status);
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}
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if (nsEventStatus_eConsumeNoDefault != status) {
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mFormFrame->OnReset();
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}
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break;
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case NS_FORM_INPUT_SUBMIT:
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event.message = NS_FORM_SUBMIT;
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if (nsnull != formContent) {
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formContent->HandleDOMEvent(*aPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, status);
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}
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if (nsEventStatus_eConsumeNoDefault != status) {
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mFormFrame->OnSubmit(aPresContext, this);
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}
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}
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NS_IF_RELEASE(formContent);
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}
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//else if ((NS_FORM_BROWSE == type) && mMouseListener) {
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else if (nsnull != mMouseListener) {
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mMouseListener->MouseClicked(aPresContext);
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}
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}
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NS_METHOD
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nsButtonControlFrame::Reflow(nsIPresContext& aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus)
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{
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// add ourself as an nsIFormControlFrame
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if (!mFormFrame && (eReflowReason_Initial == aReflowState.reason)) {
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nsFormFrame::AddFormControlFrame(aPresContext, *this);
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}
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PRInt32 type;
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GetType(&type);
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nsWidgetRendering mode;
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aPresContext.GetWidgetRenderingMode(&mode);
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if (eWidgetRendering_Gfx == mode || NS_FORM_INPUT_IMAGE == type) {
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// add ourself as an nsIFormControlFrame
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if (!mFormFrame && (eReflowReason_Initial == aReflowState.reason)) {
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nsFormFrame::AddFormControlFrame(aPresContext, *this);
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}
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nsSize ignore;
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GetDesiredSize(&aPresContext, aReflowState, aDesiredSize, ignore);
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// if our size is intrinsic. Then we need to return the size we really need
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// so include our inner borders we use for focus.
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nsMargin added = mRenderer.GetAddedButtonBorderAndPadding();
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if (aReflowState.computedWidth == NS_INTRINSICSIZE)
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aDesiredSize.width += added.left + added.right;
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if (aReflowState.computedHeight == NS_INTRINSICSIZE)
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aDesiredSize.height += added.top + added.bottom;
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nsMargin bp(0,0,0,0);
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AddBordersAndPadding(&aPresContext, aReflowState, aDesiredSize, bp);
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if (nsnull != aDesiredSize.maxElementSize) {
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aDesiredSize.AddBorderPaddingToMaxElementSize(bp);
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aDesiredSize.maxElementSize->width += added.left + added.right;
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aDesiredSize.maxElementSize->height += added.top + added.bottom;
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}
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aStatus = NS_FRAME_COMPLETE;
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return NS_OK;
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}
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else {
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return nsFormControlFrame:: Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
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}
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}
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void
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nsButtonControlFrame::GetDesiredSize(nsIPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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nsHTMLReflowMetrics& aDesiredLayoutSize,
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nsSize& aDesiredWidgetSize)
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{
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PRInt32 type;
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GetType(&type);
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if (NS_FORM_INPUT_HIDDEN == type) { // there is no physical rep
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aDesiredLayoutSize.width = 0;
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aDesiredLayoutSize.height = 0;
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aDesiredLayoutSize.ascent = 0;
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aDesiredLayoutSize.descent = 0;
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if (aDesiredLayoutSize.maxElementSize) {
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aDesiredLayoutSize.maxElementSize->width = 0;
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aDesiredLayoutSize.maxElementSize->height = 0;
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}
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} else {
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nsSize styleSize;
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GetStyleSize(*aPresContext, aReflowState, styleSize);
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// a browse button shares its style context with its parent nsInputFile
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// it uses everything from it except width
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if (NS_FORM_BROWSE == type) {
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styleSize.width = CSS_NOTSET;
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}
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nsSize desiredSize;
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nsSize minSize;
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PRBool widthExplicit, heightExplicit;
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PRInt32 ignore;
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nsAutoString defaultLabel;
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GetDefaultLabel(defaultLabel);
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nsInputDimensionSpec spec(nsHTMLAtoms::size, PR_TRUE, nsHTMLAtoms::value,
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&defaultLabel, 1, PR_FALSE, nsnull, 1);
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nsFormControlHelper::CalculateSize(aPresContext, aReflowState.rendContext, this, styleSize,
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spec, desiredSize, minSize, widthExplicit, heightExplicit, ignore);
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// set desired size, max element size
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aDesiredLayoutSize.width = desiredSize.width;
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aDesiredLayoutSize.height= desiredSize.height;
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if (aDesiredLayoutSize.maxElementSize) {
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aDesiredLayoutSize.maxElementSize->width = minSize.width;
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aDesiredLayoutSize.maxElementSize->height = minSize.height;
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}
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}
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aDesiredWidgetSize.width = aDesiredLayoutSize.width;
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aDesiredWidgetSize.height= aDesiredLayoutSize.height;
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}
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void
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nsButtonControlFrame::PostCreateWidget(nsIPresContext* aPresContext, nscoord& aWidth, nscoord& aHeight)
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{
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nsIButton* button = nsnull;
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if (mWidget && (NS_OK == mWidget->QueryInterface(kIButtonIID,(void**)&button))) {
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nsFont font(aPresContext->GetDefaultFixedFontDeprecated());
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GetFont(aPresContext, font);
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mWidget->SetFont(font);
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SetColors(*aPresContext);
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nsAutoString value;
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nsresult result = GetValue(&value);
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if (NS_CONTENT_ATTR_HAS_VALUE != result) {
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GetDefaultLabel(value);
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}
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button->SetLabel(value);
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NS_RELEASE(button);
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mWidget->Enable(!nsFormFrame::GetDisabled(this));
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}
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}
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const nsIID&
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nsButtonControlFrame::GetIID()
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{
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static NS_DEFINE_IID(kButtonIID, NS_IBUTTON_IID);
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return kButtonIID;
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}
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const nsIID&
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nsButtonControlFrame::GetCID()
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{
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static NS_DEFINE_IID(kButtonCID, NS_BUTTON_CID);
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return kButtonCID;
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}
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|
NS_IMETHODIMP
|
|
nsButtonControlFrame::GetFrameName(nsString& aResult) const
|
|
{
|
|
return MakeFrameName("ButtonControl", aResult);
|
|
}
|
|
|
|
|
|
void
|
|
nsButtonControlFrame::PaintButton(nsIPresContext& aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect,
|
|
nsString& aLabel, const nsRect& aRect)
|
|
{
|
|
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsButtonControlFrame::HandleEvent(nsIPresContext& aPresContext,
|
|
nsGUIEvent* aEvent,
|
|
nsEventStatus& aEventStatus)
|
|
{
|
|
nsWidgetRendering mode;
|
|
aPresContext.GetWidgetRenderingMode(&mode);
|
|
|
|
// if disabled do nothing
|
|
if (mRenderer.isDisabled()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
return nsFormControlFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
|
|
}
|
|
|
|
void
|
|
nsButtonControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
|
|
{
|
|
}
|
|
|
|
void
|
|
nsButtonControlFrame::Redraw()
|
|
{ nsRect rect(0, 0, mRect.width, mRect.height);
|
|
Invalidate(rect, PR_TRUE);
|
|
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP nsButtonControlFrame::SetProperty(nsIAtom* aName, const nsString& aValue)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP nsButtonControlFrame::GetProperty(nsIAtom* aName, nsString& aValue)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult nsButtonControlFrame::RequiresWidget(PRBool& aRequiresWidget)
|
|
{
|
|
aRequiresWidget = PR_FALSE;
|
|
return NS_OK;
|
|
}
|
|
|