fixed bug 958, checkboxes wrong background when not checked, select always multiple, text & texarea not reset. html 4 button work in progress.
git-svn-id: svn://10.0.0.236/trunk@12735 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
karnaze%netscape.com
481
mozilla/layout/forms/nsHTMLButtonControlFrame.cpp
Normal file
481
mozilla/layout/forms/nsHTMLButtonControlFrame.cpp
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@@ -0,0 +1,481 @@
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/* -*- 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 "nsHTMLContainerFrame.h"
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#include "nsIFormControlFrame.h"
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#include "nsHTMLParts.h"
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#include "nsIFormControl.h"
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#include "nsFormFrame.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 "nsISupports.h"
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#include "nsHTMLAtoms.h"
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#include "nsIImage.h"
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#include "nsHTMLImage.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 "nsIWidget.h"
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#include "nsRepository.h"
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#include "nsIView.h"
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#include "nsIViewManager.h"
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#include "nsViewsCID.h"
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//Enumeration of possible mouse states used to detect mouse clicks
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enum nsMouseState {
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eMouseNone,
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eMouseEnter,
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eMouseDown,
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eMouseUp
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};
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static NS_DEFINE_IID(kIFormControlIID, NS_IFORMCONTROL_IID);
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static NS_DEFINE_IID(kIFormControlFrameIID, NS_IFORMCONTROLFRAME_IID);
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static NS_DEFINE_IID(kViewCID, NS_VIEW_CID);
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static NS_DEFINE_IID(kIViewIID, NS_IVIEW_IID);
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class nsHTMLButtonControlFrame : public nsHTMLContainerFrame,
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public nsIFormControlFrame
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{
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public:
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nsHTMLButtonControlFrame(nsIContent* aContent, nsIFrame* aParentFrame);
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NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
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NS_IMETHOD Paint(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect);
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NS_IMETHOD 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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NS_IMETHOD HandleEvent(nsIPresContext& aPresContext,
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nsGUIEvent* aEvent,
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nsEventStatus& aEventStatus);
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NS_IMETHOD Init(nsIPresContext& aPresContext, nsIFrame* aChildList);
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virtual PRBool IsSuccessful();
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NS_IMETHOD GetType(PRInt32* aType) const;
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NS_IMETHOD GetName(nsString* aName);
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NS_IMETHOD GetValue(nsString* aName);
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virtual PRInt32 GetMaxNumValues();
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virtual PRBool GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
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nsString* aValues, nsString* aNames);
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virtual void MouseClicked(nsIPresContext* aPresContext);
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virtual void Reset() {};
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virtual void SetFormFrame(nsFormFrame* aFormFrame) { mFormFrame = aFormFrame; }
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void GetDefaultLabel(nsString& aLabel);
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protected:
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virtual ~nsHTMLButtonControlFrame();
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NS_IMETHOD_(nsrefcnt) AddRef(void);
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NS_IMETHOD_(nsrefcnt) Release(void);
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PRIntn GetSkipSides() const;
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PRBool mInline;
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nsFormFrame* mFormFrame;
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nsMouseState mLastMouseState;
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PRBool mGrabbingTheMouse;
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};
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nsresult
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NS_NewHTMLButtonControlFrame(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame*& aResult)
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{
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aResult = new nsHTMLButtonControlFrame(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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nsHTMLButtonControlFrame::nsHTMLButtonControlFrame(nsIContent* aContent,
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nsIFrame* aParentFrame)
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: nsHTMLContainerFrame(aContent, aParentFrame)
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{
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mInline = PR_TRUE;
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mLastMouseState = eMouseNone;
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mGrabbingTheMouse = PR_FALSE;
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}
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nsHTMLButtonControlFrame::~nsHTMLButtonControlFrame()
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{
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}
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nsrefcnt nsHTMLButtonControlFrame::AddRef(void)
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{
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NS_WARNING("not supported");
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return 1;
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}
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nsrefcnt nsHTMLButtonControlFrame::Release(void)
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{
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NS_WARNING("not supported");
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return 1;
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}
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nsresult
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nsHTMLButtonControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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NS_PRECONDITION(0 != aInstancePtr, "null ptr");
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(kIFormControlFrameIID)) {
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*aInstancePtr = (void*) ((nsIFormControlFrame*) this);
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return NS_OK;
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}
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return nsHTMLContainerFrame::QueryInterface(aIID, aInstancePtr);
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}
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void
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nsHTMLButtonControlFrame::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_BUTTON_BUTTON == type) {
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aString = "Button";
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}
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else if (NS_FORM_BUTTON_RESET == type) {
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aString = "Reset";
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}
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else if (NS_FORM_BUTTON_SUBMIT == type) {
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aString = "Submit";
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}
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}
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PRInt32
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nsHTMLButtonControlFrame::GetMaxNumValues()
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{
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return 1;
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}
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PRBool
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nsHTMLButtonControlFrame::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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nsAutoString value;
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nsresult valResult = GetValue(&value);
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if (NS_CONTENT_ATTR_HAS_VALUE == valResult) {
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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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} else {
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aNumValues = 0;
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return PR_FALSE;
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}
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}
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NS_IMETHODIMP
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nsHTMLButtonControlFrame::GetType(PRInt32* aType) const
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{
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nsresult result = NS_FORM_NOTOK;
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if (mContent) {
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nsIFormControl* formControl = nsnull;
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result = mContent->QueryInterface(kIFormControlIID, (void**)&formControl);
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if ((NS_OK == result) && formControl) {
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result = formControl->GetType(aType);
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NS_RELEASE(formControl);
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}
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}
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return result;
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}
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NS_IMETHODIMP
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nsHTMLButtonControlFrame::GetName(nsString* aResult)
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{
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nsresult result = NS_FORM_NOTOK;
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if (mContent) {
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nsIHTMLContent* formControl = nsnull;
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result = mContent->QueryInterface(kIHTMLContentIID, (void**)&formControl);
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if ((NS_OK == result) && formControl) {
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nsHTMLValue value;
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result = formControl->GetAttribute(nsHTMLAtoms::name, value);
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if (NS_CONTENT_ATTR_HAS_VALUE == result) {
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if (eHTMLUnit_String == value.GetUnit()) {
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value.GetStringValue(*aResult);
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}
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}
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NS_RELEASE(formControl);
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}
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}
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return result;
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}
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NS_IMETHODIMP
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nsHTMLButtonControlFrame::GetValue(nsString* aResult)
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{
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nsresult result = NS_FORM_NOTOK;
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if (mContent) {
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nsIHTMLContent* formControl = nsnull;
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result = mContent->QueryInterface(kIHTMLContentIID, (void**)&formControl);
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if ((NS_OK == result) && formControl) {
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nsHTMLValue value;
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result = formControl->GetAttribute(nsHTMLAtoms::value, value);
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if (NS_CONTENT_ATTR_HAS_VALUE == result) {
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if (eHTMLUnit_String == value.GetUnit()) {
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value.GetStringValue(*aResult);
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}
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}
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NS_RELEASE(formControl);
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}
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}
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return result;
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}
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PRBool
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nsHTMLButtonControlFrame::IsSuccessful()
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{
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nsAutoString name;
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return (NS_CONTENT_ATTR_HAS_VALUE == GetName(&name));
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}
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void
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nsHTMLButtonControlFrame::MouseClicked(nsIPresContext* aPresContext)
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{
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if (!mFormFrame) {
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return;
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}
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PRInt32 type;
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GetType(&type);
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if (nsnull != mFormFrame) {
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if (NS_FORM_BUTTON_RESET == type) {
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//Send DOM event
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nsEventStatus mStatus;
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nsEvent mEvent;
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mEvent.eventStructType = NS_EVENT;
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mEvent.message = NS_FORM_RESET;
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mContent->HandleDOMEvent(*aPresContext, &mEvent, nsnull, DOM_EVENT_INIT, mStatus);
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mFormFrame->OnReset();
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}
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else if (NS_FORM_BUTTON_SUBMIT == type) {
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//Send DOM event
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nsEventStatus mStatus;
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nsEvent mEvent;
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mEvent.eventStructType = NS_EVENT;
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mEvent.message = NS_FORM_SUBMIT;
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mContent->HandleDOMEvent(*aPresContext, &mEvent, nsnull, DOM_EVENT_INIT, mStatus);
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mFormFrame->OnSubmit(aPresContext, this);
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}
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}
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}
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NS_METHOD
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nsHTMLButtonControlFrame::HandleEvent(nsIPresContext& aPresContext,
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nsGUIEvent* aEvent,
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nsEventStatus& aEventStatus)
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{
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nsIWidget* window;
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nsIView* view;
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nsIViewManager* viewMan;
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PRBool ignore;
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switch (aEvent->message) {
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case NS_MOUSE_ENTER: // not implemented yet on frames
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mLastMouseState = eMouseEnter;
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break;
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case NS_MOUSE_LEFT_BUTTON_DOWN:
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mLastMouseState = eMouseDown;
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//mLastMouseState = (eMouseEnter == mLastMouseState) ? eMouseDown : eMouseNone;
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break;
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case NS_MOUSE_MOVE:
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GetWindow(window);
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if (window) {
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window->SetCursor(eCursor_arrow_west_plus); // XXX don't do this every time
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NS_RELEASE(window);
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}
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if (!mGrabbingTheMouse) {
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GetView(view);
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if (view) {
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view->GetViewManager(viewMan);
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if (viewMan) {
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viewMan->GrabMouseEvents(view, ignore);
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NS_RELEASE(viewMan);
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mGrabbingTheMouse = PR_TRUE;
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}
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}
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}
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break;
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case NS_MOUSE_LEFT_BUTTON_UP:
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if (eMouseDown == mLastMouseState) {
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nsEventStatus status = nsEventStatus_eIgnore;
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nsMouseEvent event;
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event.eventStructType = NS_MOUSE_EVENT;
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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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if (nsEventStatus_eConsumeNoDefault != status) {
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MouseClicked(&aPresContext);
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}
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}
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mLastMouseState = eMouseEnter;
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break;
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case NS_MOUSE_EXIT:
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GetWindow(window);
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if (window) {
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window->SetCursor(eCursor_standard);
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NS_RELEASE(window);
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}
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GetView(view);
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if (view) {
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view->GetViewManager(viewMan);
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if (viewMan) {
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viewMan->GrabMouseEvents(nsnull, ignore);
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NS_RELEASE(viewMan);
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mGrabbingTheMouse = PR_FALSE;
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}
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}
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mLastMouseState = eMouseNone;
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break;
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}
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aEventStatus = nsEventStatus_eConsumeNoDefault;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLButtonControlFrame::Init(nsIPresContext& aPresContext, nsIFrame* aChildList)
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{
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// cache our display type
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const nsStyleDisplay* styleDisplay;
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GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&) styleDisplay);
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mInline = (NS_STYLE_DISPLAY_BLOCK != styleDisplay->mDisplay);
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PRUint8 flags = (mInline) ? NS_BODY_SHRINK_WRAP : 0;
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NS_NewBodyFrame(mContent, this, mFirstChild, flags);
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// Resolve style and set the style context
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nsIStyleContext* styleContext =
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aPresContext.ResolveStyleContextFor(mContent, this);
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mFirstChild->SetStyleContext(&aPresContext, styleContext);
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NS_RELEASE(styleContext);
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// Set the geometric and content parent for each of the child frames
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for (nsIFrame* frame = aChildList; nsnull != frame; frame->GetNextSibling(frame)) {
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frame->SetGeometricParent(mFirstChild);
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frame->SetContentParent(mFirstChild);
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}
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// Queue up the frames for the inline frame
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return mFirstChild->Init(aPresContext, aChildList);
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}
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NS_IMETHODIMP
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nsHTMLButtonControlFrame::Paint(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect)
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{
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return nsHTMLContainerFrame::Paint(aPresContext, aRenderingContext, aDirtyRect);
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}
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NS_IMETHODIMP
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nsHTMLButtonControlFrame::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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nsSize availSize(aReflowState.maxSize);
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// reflow the child
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nsHTMLReflowState reflowState(aPresContext, mFirstChild, aReflowState, availSize);
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ReflowChild(mFirstChild, aPresContext, aDesiredSize, reflowState, aStatus);
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// get border and padding
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const nsStyleSpacing* spacing =
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(const nsStyleSpacing*)mStyleContext->GetStyleData(eStyleStruct_Spacing);
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nsMargin borderPadding;
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spacing->CalcBorderPaddingFor(this, borderPadding);
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// Place the child
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nsRect rect = nsRect(borderPadding.left, borderPadding.top, aDesiredSize.width, aDesiredSize.height);
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mFirstChild->SetRect(rect);
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// add in our border and padding to the size of the child
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aDesiredSize.width += borderPadding.left + borderPadding.right;
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aDesiredSize.height += borderPadding.top + borderPadding.bottom;
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// adjust our max element size, if necessary
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if (aDesiredSize.maxElementSize) {
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aDesiredSize.maxElementSize->width += borderPadding.left + borderPadding.right;
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aDesiredSize.maxElementSize->height += borderPadding.top + borderPadding.bottom;
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}
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aDesiredSize.ascent = aDesiredSize.height;
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aDesiredSize.descent = 0;
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// create our view, we need a view to grab the mouse away from children frames
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nsIView* view;
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GetView(view);
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if (!view) {
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nsresult result = nsRepository::CreateInstance(kViewCID, nsnull, kIViewIID,
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(void **)&view);
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nsIPresShell *presShell = aPresContext.GetShell();
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nsIViewManager *viewMan = presShell->GetViewManager();
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NS_RELEASE(presShell);
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nsIFrame* parWithView;
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nsIView *parView;
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GetParentWithView(parWithView);
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parWithView->GetView(parView);
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nsRect boundBox(0, 0, aDesiredSize.width, aDesiredSize.height);
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result = view->Init(viewMan, boundBox, parView, nsnull);
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viewMan->InsertChild(parView, view, 0);
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SetView(view);
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NS_RELEASE(viewMan);
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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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PRIntn
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nsHTMLButtonControlFrame::GetSkipSides() const
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{
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return 0;
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}
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Reference in New Issue
Block a user