c723661f91
added nsImageControlFrame to handle <input type=image>. git-svn-id: svn://10.0.0.236/trunk@14312 18797224-902f-48f8-a5cc-f745e15eee43
384 lines
11 KiB
C++
384 lines
11 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 "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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static NS_DEFINE_IID(kIFormControlIID, NS_IFORMCONTROL_IID);
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static NS_DEFINE_IID(kIButtonIID, NS_IBUTTON_IID);
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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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if (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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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(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame*& aResult)
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{
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aResult = new nsButtonControlFrame(aContent, aParent);
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if (nsnull == aResult) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return NS_OK;
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}
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nsButtonControlFrame::nsButtonControlFrame(nsIContent* aContent,
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nsIFrame* aParentFrame)
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: nsFormControlFrame(aContent, aParentFrame)
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{
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}
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nsButtonControlFrame::~nsButtonControlFrame()
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{
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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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//return NSIntPixelsToTwips(4, aPixToTwip);
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#ifdef XP_PC
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return (nscoord)NSToIntRound((float)aInnerHeight * 0.25f);
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#endif
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#ifdef XP_UNIX
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return (nscoord)NSToIntRound((float)aInnerHeight * 0.50f);
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#endif
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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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#ifdef XP_PC
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if (eCompatibility_NavQuirks == mode) {
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return (nscoord)NSToIntRound(float(aInnerWidth) * 0.25f);
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} else {
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return NSIntPixelsToTwips(10, aPixToTwip) + 8;
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}
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#endif
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#ifdef XP_UNIX
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if (eCompatibility_NavQuirks == mode) {
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return (nscoord)NSToIntRound(float(aInnerWidth) * 0.5f);
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} else {
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return NSIntPixelsToTwips(20, aPixToTwip);
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}
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#endif
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}
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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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PRInt32 type;
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GetType(&type);
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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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nsresult 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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}
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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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{
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PRInt32 type;
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GetType(&type);
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const nsStyleDisplay* disp =
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(const nsStyleDisplay*)mStyleContext->GetStyleData(eStyleStruct_Display);
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if (disp->mVisible) {
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return nsFormControlFrame::Paint(aPresContext, aRenderingContext, aDirtyRect);
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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;
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nsEvent event;
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event.eventStructType = NS_EVENT;
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switch(type) {
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case NS_FORM_INPUT_BUTTON:
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event.message = NS_MOUSE_LEFT_CLICK;
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mContent->HandleDOMEvent(*aPresContext, &event, nsnull, DOM_EVENT_INIT, status);
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break;
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case NS_FORM_INPUT_RESET:
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event.message = NS_FORM_RESET;
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mContent->HandleDOMEvent(*aPresContext, &event, nsnull, DOM_EVENT_INIT, status);
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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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mContent->HandleDOMEvent(*aPresContext, &event, nsnull, DOM_EVENT_INIT, status);
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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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} else if ((NS_FORM_BROWSE == type) && mFileControlFrame) {
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mFileControlFrame->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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PRInt32 type;
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GetType(&type);
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if (NS_FORM_INPUT_IMAGE == type) {
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nsSize ignore;
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GetDesiredSize(&aPresContext, aReflowState, aDesiredSize, ignore);
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AddBordersAndPadding(&aPresContext, aDesiredSize);
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if (nsnull != aDesiredSize.maxElementSize) {
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aDesiredSize.maxElementSize->width = aDesiredSize.width;
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aDesiredSize.maxElementSize->height = aDesiredSize.height;
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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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} else {
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nsSize styleSize;
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GetStyleSize(*aPresContext, aReflowState, styleSize);
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// a browse button shares is 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 size;
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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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CalculateSize(aPresContext, this, styleSize, spec, size,
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widthExplicit, heightExplicit, ignore,
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aReflowState.rendContext);
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aDesiredLayoutSize.width = size.width;
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aDesiredLayoutSize.height= size.height;
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aDesiredLayoutSize.ascent = aDesiredLayoutSize.height;
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aDesiredLayoutSize.descent = 0;
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}
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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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PRInt32 type;
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GetType(&type);
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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->GetDefaultFixedFont());
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GetFont(aPresContext, font);
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mWidget->SetFont(font);
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SetColors(*aPresContext);
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nsString value;
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nsresult result = GetValue(&value);
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if (button != nsnull) {
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if (NS_CONTENT_ATTR_HAS_VALUE == result) {
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button->SetLabel(value);
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} else {
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nsAutoString label;
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GetDefaultLabel(label);
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button->SetLabel(label);
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}
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}
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mWidget->Enable(!nsFormFrame::GetDisabled(this));
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NS_RELEASE(button);
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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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