зеркало из https://github.com/mozilla/gecko-dev.git
Enable the <maction> tag -- pending issue: a dynamic action that reduces the number of lines of screen does not totally erase the last line on a half-full screen
This commit is contained in:
rbs%maths.uq.edu.au
Родитель
d3f1ff5f73
Коммит
d866cb1475
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@ -62,6 +62,7 @@ CPPSRCS = nsMathMLChar.cpp \
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nsMathMLmstyleFrame.cpp \
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nsMathMLmsqrtFrame.cpp \
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nsMathMLmrootFrame.cpp \
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nsMathMLmactionFrame.cpp \
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$(NULL)
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include $(topsrcdir)/config/config.mk
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@ -51,6 +51,7 @@ CPPSRCS= nsMathMLChar.cpp \
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nsMathMLmstyleFrame.cpp \
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nsMathMLmsqrtFrame.cpp \
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nsMathMLmrootFrame.cpp \
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nsMathMLmactionFrame.cpp \
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$(NULL)
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CPP_OBJS= .\$(OBJDIR)\nsMathMLChar.obj \
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@ -76,6 +77,7 @@ CPP_OBJS= .\$(OBJDIR)\nsMathMLChar.obj \
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.\$(OBJDIR)\nsMathMLmstyleFrame.obj \
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.\$(OBJDIR)\nsMathMLmsqrtFrame.obj \
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.\$(OBJDIR)\nsMathMLmrootFrame.obj \
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.\$(OBJDIR)\nsMathMLmactionFrame.obj \
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$(NULL)
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EXPORTS = \
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@ -47,5 +47,6 @@ extern nsresult NS_NewMathMLmstyleFrame ( nsIPresShell* aPresShell, nsIFrame** a
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extern nsresult NS_NewMathMLmtdFrame ( nsIPresShell* aPresShell, nsIFrame** aNewFrame );
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extern nsresult NS_NewMathMLmsqrtFrame( nsIPresShell* aPresShell, nsIFrame** aNewFrame );
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extern nsresult NS_NewMathMLmrootFrame( nsIPresShell* aPresShell, nsIFrame** aNewFrame );
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extern nsresult NS_NewMathMLmactionFrame( nsIPresShell* aPresShell, nsIFrame** aNewFrame );
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#endif /* nsMathMLParts_h___ */
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@ -0,0 +1,474 @@
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla MathML Project.
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*
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* The Initial Developer of the Original Code is The University Of
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* Queensland. Portions created by The University Of Queensland are
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* Copyright (C) 1999 The University Of Queensland. All Rights Reserved.
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*
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* Contributor(s):
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* Roger B. Sidje <rbs@maths.uq.edu.au>
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*/
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#include "nsCOMPtr.h"
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#include "nsHTMLParts.h"
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#include "nsIHTMLContent.h"
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#include "nsFrame.h"
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#include "nsLineLayout.h"
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#include "nsHTMLIIDs.h"
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#include "nsIPresContext.h"
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#include "nsHTMLAtoms.h"
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#include "nsUnitConversion.h"
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#include "nsIStyleContext.h"
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#include "nsStyleConsts.h"
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#include "nsINameSpaceManager.h"
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#include "nsIRenderingContext.h"
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#include "nsIFontMetrics.h"
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#include "nsStyleUtil.h"
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#include "nsCSSRendering.h"
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#include "prprf.h" // For PR_snprintf()
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#include "nsIWebShell.h"
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#include "nsIBrowserWindow.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMEventReceiver.h"
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#include "nsIDOMMouseListener.h"
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#include "nsMathMLmactionFrame.h"
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//
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// <maction> -- bind actions to a subexpression - implementation
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//
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#define NS_MATHML_ACTION_TYPE_NONE 0
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#define NS_MATHML_ACTION_TYPE_TOGGLE 1
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#define NS_MATHML_ACTION_TYPE_STATUSLINE 2
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#define NS_MATHML_ACTION_TYPE_TOOLTIP 3 // unsupported
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#define NS_MATHML_ACTION_TYPE_RESTYLE 4
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NS_INTERFACE_MAP_BEGIN(nsMathMLmactionFrame)
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NS_INTERFACE_MAP_ENTRY(nsIDOMMouseListener)
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NS_INTERFACE_MAP_END_INHERITING(nsMathMLContainerFrame)
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NS_IMETHODIMP_(nsrefcnt)
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nsMathMLmactionFrame::AddRef(void)
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{
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return NS_OK;
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}
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NS_IMETHODIMP_(nsrefcnt)
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nsMathMLmactionFrame::Release(void)
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{
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return NS_OK;
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}
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nsresult
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NS_NewMathMLmactionFrame(nsIPresShell* aPresShell, 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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nsMathMLmactionFrame* it = new (aPresShell) nsMathMLmactionFrame;
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if (nsnull == 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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nsMathMLmactionFrame::nsMathMLmactionFrame()
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{
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}
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nsMathMLmactionFrame::~nsMathMLmactionFrame()
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{
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// unregister us as a mouse event listener ...
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// printf("maction:%p unregistering as mouse event listener ...\n", this);
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nsCOMPtr<nsIDOMEventReceiver> receiver(do_QueryInterface(mContent));
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receiver->RemoveEventListenerByIID(this, NS_GET_IID(nsIDOMMouseListener));
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}
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NS_IMETHODIMP
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nsMathMLmactionFrame::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 = NS_OK;
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nsAutoString value, prefix;
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// Init our local attributes
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mPresContext = aPresContext;
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mChildCount = -1; // these will be updated in GetSelectedFrame()
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mSelection = 0;
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mSelectedFrame = nsnull;
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mActionType = NS_MATHML_ACTION_TYPE_NONE;
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if (NS_CONTENT_ATTR_HAS_VALUE == aContent->GetAttribute(kNameSpaceID_None,
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nsMathMLAtoms::actiontype_, value)) {
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if (value == "toggle")
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mActionType = NS_MATHML_ACTION_TYPE_TOGGLE;
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// XXX use goto to jump out of these if?
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if (NS_MATHML_ACTION_TYPE_NONE == mActionType) {
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prefix = "tooltip#"; // expected tooltip prefix (8ch)...
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if (8 < value.Length() && 0 == value.Find(prefix))
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mActionType = NS_MATHML_ACTION_TYPE_TOOLTIP;
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}
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if (NS_MATHML_ACTION_TYPE_NONE == mActionType) {
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prefix = "statusline#"; // expected statusline prefix (11ch)...
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if (11 < value.Length() && 0 == value.Find(prefix))
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mActionType = NS_MATHML_ACTION_TYPE_STATUSLINE;
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}
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if (NS_MATHML_ACTION_TYPE_NONE == mActionType) {
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prefix = "restyle#"; // expected restyle prefix (8ch)...
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if (8 < value.Length() && 0 == value.Find(prefix)) {
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mActionType = NS_MATHML_ACTION_TYPE_RESTYLE;
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mRestyle = value;
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// Here is the situation:
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// When the attribute [actiontype="restyle#id"] is set, the Style System has
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// given us the associated style. But we want to start with our default style.
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// So... first, remove the attribute actiontype="restyle#id"
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value = "";
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PRBool notify = PR_FALSE; // don't trigger a reflow yet!
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aContent->SetAttribute(kNameSpaceID_None, nsMathMLAtoms::actiontype_, value, notify);
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// then, re-resolve our style
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nsCOMPtr<nsIStyleContext> parentStyleContext;
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aParent->GetStyleContext(getter_AddRefs(parentStyleContext));
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nsIStyleContext* newStyleContext;
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aPresContext->ResolveStyleContextFor(aContent, parentStyleContext,
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PR_FALSE, &newStyleContext);
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if (!newStyleContext)
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mRestyle.Truncate();
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else {
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if (newStyleContext != aContext)
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aContext = newStyleContext;
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else {
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NS_RELEASE(newStyleContext);
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mRestyle.Truncate();
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}
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}
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}
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}
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}
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// Let the base class do the rest
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return nsMathMLContainerFrame::Init(aPresContext, aContent, aParent, aContext, aPrevInFlow);
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}
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// return the frame whose number is given by the attribute selection="number"
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nsIFrame*
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nsMathMLmactionFrame::GetSelectedFrame()
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{
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nsresult rv = NS_OK;
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nsAutoString value;
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PRInt32 selection;
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if (NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_None,
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nsMathMLAtoms::selection_, value)) {
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PRInt32 errorCode;
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selection = value.ToInteger(&errorCode);
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if (NS_FAILED(errorCode))
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selection = 1;
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}
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else selection = 1; // default is first frame
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if (-1 != mChildCount) { // we have been in this function before...
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// cater for invalid user-supplied selection
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if (selection > mChildCount || selection < 1)
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selection = 1;
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// quick return if it is identical with our cache
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if (selection == mSelection)
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return mSelectedFrame;
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}
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// get the selected child and cache new values...
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PRInt32 count = 0;
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nsIFrame* childFrame = mFrames.FirstChild();
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while (childFrame) {
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if (!IsOnlyWhitespace(childFrame)) {
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if (!mSelectedFrame)
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mSelectedFrame = childFrame; // default is first child
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if (++count == selection)
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mSelectedFrame = childFrame;
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}
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childFrame->GetNextSibling(&childFrame);
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}
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// cater for invalid user-supplied selection
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if (selection > count || selection < 1)
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selection = 1;
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mChildCount = count;
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mSelection = selection;
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// if the selected child is an embellished operator,
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// we become embellished as well
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mEmbellishData.flags &= ~NS_MATHML_EMBELLISH_OPERATOR;
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mEmbellishData.firstChild = nsnull;
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mEmbellishData.core = nsnull;
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mEmbellishData.direction = NS_STRETCH_DIRECTION_UNSUPPORTED;
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if (mSelectedFrame) {
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nsIMathMLFrame* aMathMLFrame = nsnull;
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rv = mSelectedFrame->QueryInterface(nsIMathMLFrame::GetIID(), (void**)&aMathMLFrame);
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if (NS_SUCCEEDED(rv) && aMathMLFrame) {
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nsEmbellishData embellishData;
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aMathMLFrame->GetEmbellishData(embellishData);
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if (NS_MATHML_IS_EMBELLISH_OPERATOR(embellishData.flags) && embellishData.firstChild) {
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mEmbellishData.flags |= NS_MATHML_EMBELLISH_OPERATOR;
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mEmbellishData.firstChild = mSelectedFrame; // yes!
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mEmbellishData.core = embellishData.core;
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mEmbellishData.direction = embellishData.direction;
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}
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}
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}
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return mSelectedFrame;
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}
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NS_IMETHODIMP
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nsMathMLmactionFrame::SetInitialChildList(nsIPresContext* aPresContext,
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nsIAtom* aListName,
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nsIFrame* aChildList)
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{
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nsresult rv = nsMathMLContainerFrame::SetInitialChildList(aPresContext, aListName, aChildList);
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// This very first call to GetSelectedFrame() will cause us to be marked as an
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// embellished operator if the selected child is an embellished operator,
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GetSelectedFrame();
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// register us as a mouse event listener ...
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// printf("maction:%p registering as mouse event listener ...\n", this);
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nsCOMPtr<nsIDOMEventReceiver> receiver(do_QueryInterface(mContent));
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receiver->AddEventListenerByIID(this, NS_GET_IID(nsIDOMMouseListener));
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return rv;
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}
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// Return the selected frame ...
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NS_IMETHODIMP
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nsMathMLmactionFrame::GetFrameForPoint(nsIPresContext* aPresContext,
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const nsPoint& aPoint,
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nsIFrame** aFrame)
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{
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nsIFrame* childFrame = GetSelectedFrame();
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if (childFrame)
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return childFrame->GetFrameForPoint(aPresContext, aPoint, aFrame);
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else
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*aFrame = this;
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return NS_OK;
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}
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// Only paint the selected child...
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NS_IMETHODIMP
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nsMathMLmactionFrame::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 =
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(const nsStyleDisplay*)mStyleContext->GetStyleData(eStyleStruct_Display);
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if (NS_FRAME_PAINT_LAYER_BACKGROUND == aWhichLayer) {
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if (disp->mVisible && mRect.width && mRect.height) {
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// Paint our background and border
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PRIntn skipSides = GetSkipSides();
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const nsStyleColor* color = (const nsStyleColor*)
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mStyleContext->GetStyleData(eStyleStruct_Color);
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const nsStyleSpacing* spacing = (const nsStyleSpacing*)
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mStyleContext->GetStyleData(eStyleStruct_Spacing);
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nsRect rect(0, 0, mRect.width, mRect.height);
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nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, this,
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aDirtyRect, rect, *color, *spacing, 0, 0);
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nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this,
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aDirtyRect, rect, *spacing, mStyleContext, skipSides);
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nsCSSRendering::PaintOutline(aPresContext, aRenderingContext, this,
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aDirtyRect, rect, *spacing, mStyleContext, 0);
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}
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}
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nsIFrame* childFrame = GetSelectedFrame();
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if (childFrame)
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PaintChild(aPresContext, aRenderingContext, aDirtyRect, childFrame, aWhichLayer);
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return NS_OK;
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}
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// Only reflow the selected child ...
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NS_IMETHODIMP
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nsMathMLmactionFrame::ReflowChildren(PRInt32 aDirection,
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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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nsresult rv = NS_OK;
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aStatus = NS_FRAME_COMPLETE;
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nsIFrame* childFrame = GetSelectedFrame();
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aDesiredSize.width = aDesiredSize.height = aDesiredSize.ascent = aDesiredSize.descent = 0;
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if (childFrame) {
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// ask the child to compute its bounding metrics
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nsHTMLReflowMetrics childDesiredSize(aDesiredSize.maxElementSize,
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aDesiredSize.mFlags | NS_REFLOW_CALC_BOUNDING_METRICS);
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nsSize availSize(aReflowState.mComputedWidth, aReflowState.mComputedHeight);
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nsHTMLReflowState childReflowState(aPresContext, aReflowState,
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childFrame, availSize);
|
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rv = ReflowChild(childFrame, aPresContext, childDesiredSize,
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childReflowState, aStatus);
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NS_ASSERTION(NS_FRAME_IS_COMPLETE(aStatus), "bad status");
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if (NS_FAILED(rv)) return rv;
|
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// origins are used as placeholders to store the child's ascent and descent.
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childFrame->SetRect(aPresContext,
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nsRect(childDesiredSize.descent, childDesiredSize.ascent,
|
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childDesiredSize.width, childDesiredSize.height));
|
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|
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aDesiredSize.width = childDesiredSize.width;
|
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aDesiredSize.ascent = childDesiredSize.ascent;
|
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aDesiredSize.descent = childDesiredSize.descent;
|
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aDesiredSize.height = childDesiredSize.height;
|
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}
|
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return NS_OK;
|
||||
}
|
||||
|
||||
// Only place the selected child ...
|
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NS_IMETHODIMP
|
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nsMathMLmactionFrame::Place(nsIPresContext* aPresContext,
|
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nsIRenderingContext& aRenderingContext,
|
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PRBool aPlaceOrigin,
|
||||
nsHTMLReflowMetrics& aDesiredSize)
|
||||
{
|
||||
aDesiredSize.width = aDesiredSize.height = aDesiredSize.ascent = aDesiredSize.descent = 0;
|
||||
nsIFrame* childFrame = GetSelectedFrame();
|
||||
if (childFrame) {
|
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GetReflowAndBoundingMetricsFor(childFrame, aDesiredSize, mBoundingMetrics);
|
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if (aPlaceOrigin) {
|
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FinishReflowChild(childFrame, aPresContext, aDesiredSize, 0, 0, 0);
|
||||
}
|
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mReference.x = 0;
|
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mReference.y = aDesiredSize.ascent - mBoundingMetrics.ascent;
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
// ################################################################
|
||||
// Event handlers
|
||||
// ################################################################
|
||||
|
||||
// helper to show a msg on the status bar
|
||||
// curled from nsObjectFrame.cpp ...
|
||||
nsresult
|
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nsMathMLmactionFrame::ShowStatus(nsIPresContext* aPresContext,
|
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nsString& aStatusMsg)
|
||||
{
|
||||
nsCOMPtr<nsISupports> cont;
|
||||
nsresult rv = aPresContext->GetContainer(getter_AddRefs(cont));
|
||||
if (NS_SUCCEEDED(rv) && cont) {
|
||||
nsCOMPtr<nsIDocShellTreeItem> docShellItem(do_QueryInterface(cont));
|
||||
if (docShellItem) {
|
||||
nsCOMPtr<nsIDocShellTreeItem> root;
|
||||
docShellItem->GetSameTypeRootTreeItem(getter_AddRefs(root));
|
||||
nsCOMPtr<nsIWebShell> rootWebShell(do_QueryInterface(root));
|
||||
if (rootWebShell) {
|
||||
nsCOMPtr<nsIWebShellContainer> rootContainer;
|
||||
rv = rootWebShell->GetContainer(*getter_AddRefs(rootContainer));
|
||||
if (nsnull != rootContainer) {
|
||||
nsCOMPtr<nsIBrowserWindow> browserWindow(do_QueryInterface(rootContainer));
|
||||
if (browserWindow) {
|
||||
if (rootContainer) {
|
||||
rv = browserWindow->SetStatus(aStatusMsg.GetUnicode());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return rv;
|
||||
}
|
||||
|
||||
nsresult
|
||||
nsMathMLmactionFrame::MouseOver(nsIDOMEvent* aMouseEvent)
|
||||
{
|
||||
// see if we should display a status message
|
||||
if (NS_MATHML_ACTION_TYPE_STATUSLINE == mActionType)
|
||||
{
|
||||
nsAutoString value;
|
||||
if (NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_None,
|
||||
nsMathMLAtoms::actiontype_, value))
|
||||
{
|
||||
nsAutoString statusline = "statusline#"; // expected statusline prefix (11ch)...
|
||||
if (11 < value.Length() && 0 == value.Find(statusline)) {
|
||||
value.Cut(0, 11);
|
||||
ShowStatus(mPresContext, value);
|
||||
}
|
||||
}
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult
|
||||
nsMathMLmactionFrame::MouseOut(nsIDOMEvent* aMouseEvent)
|
||||
{
|
||||
// see if we should remove the status message
|
||||
if (NS_MATHML_ACTION_TYPE_STATUSLINE == mActionType)
|
||||
{
|
||||
nsAutoString value = "";
|
||||
ShowStatus(mPresContext, value);
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult
|
||||
nsMathMLmactionFrame::MouseClick(nsIDOMEvent* aMouseEvent)
|
||||
{
|
||||
nsAutoString value;
|
||||
if (NS_MATHML_ACTION_TYPE_TOGGLE == mActionType)
|
||||
{
|
||||
if (mChildCount > 1) {
|
||||
PRInt32 selection = (mSelection == mChildCount)? 1 : mSelection + 1;
|
||||
char cbuf[10];
|
||||
PR_snprintf(cbuf, sizeof(cbuf), "%d", selection);
|
||||
value = cbuf;
|
||||
PRBool notify = PR_FALSE; // don't yet notify the document
|
||||
mContent->SetAttribute(kNameSpaceID_None, nsMathMLAtoms::selection_, value, notify);
|
||||
|
||||
// Now trigger a content-changed reflow...
|
||||
ContentChanged(mPresContext, mContent, nsnull);
|
||||
}
|
||||
}
|
||||
else if (NS_MATHML_ACTION_TYPE_RESTYLE == mActionType)
|
||||
{
|
||||
if (0 < mRestyle.Length()) {
|
||||
nsCOMPtr<nsIDOMElement> node( do_QueryInterface(mContent) );
|
||||
if (node.get()) {
|
||||
if (NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_None,
|
||||
nsMathMLAtoms::actiontype_, value))
|
||||
node->RemoveAttribute("actiontype");
|
||||
else
|
||||
node->SetAttribute("actiontype", mRestyle);
|
||||
}
|
||||
}
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
|
|
@ -0,0 +1,118 @@
|
|||
/*
|
||||
* The contents of this file are subject to the Mozilla Public
|
||||
* License Version 1.1 (the "License"); you may not use this file
|
||||
* except in compliance with the License. You may obtain a copy of
|
||||
* the License at http://www.mozilla.org/MPL/
|
||||
*
|
||||
* Software distributed under the License is distributed on an "AS
|
||||
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
||||
* implied. See the License for the specific language governing
|
||||
* rights and limitations under the License.
|
||||
*
|
||||
* The Original Code is Mozilla MathML Project.
|
||||
*
|
||||
* The Initial Developer of the Original Code is The University Of
|
||||
* Queensland. Portions created by The University Of Queensland are
|
||||
* Copyright (C) 1999 The University Of Queensland. All Rights Reserved.
|
||||
*
|
||||
* Contributor(s):
|
||||
* Roger B. Sidje <rbs@maths.uq.edu.au>
|
||||
*/
|
||||
|
||||
#ifndef nsMathMLmactionFrame_h___
|
||||
#define nsMathMLmactionFrame_h___
|
||||
|
||||
#include "nsCOMPtr.h"
|
||||
#include "nsMathMLContainerFrame.h"
|
||||
|
||||
//
|
||||
// <maction> -- bind actions to a subexpression
|
||||
//
|
||||
|
||||
//#define DEBUG_mouse 1
|
||||
|
||||
#if DEBUG_mouse
|
||||
#define MOUSE(_msg) printf("maction:%p MOUSE: "#_msg" ...\n", this);
|
||||
#else
|
||||
#define MOUSE(_msg)
|
||||
#endif
|
||||
|
||||
class nsMathMLmactionFrame : public nsMathMLContainerFrame,
|
||||
public nsIDOMMouseListener {
|
||||
public:
|
||||
friend nsresult NS_NewMathMLmactionFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame);
|
||||
|
||||
NS_DECL_ISUPPORTS
|
||||
|
||||
NS_IMETHOD
|
||||
Init(nsIPresContext* aPresContext,
|
||||
nsIContent* aContent,
|
||||
nsIFrame* aParent,
|
||||
nsIStyleContext* aContext,
|
||||
nsIFrame* aPrevInFlow);
|
||||
|
||||
NS_IMETHOD
|
||||
SetInitialChildList(nsIPresContext* aPresContext,
|
||||
nsIAtom* aListName,
|
||||
nsIFrame* aChildList);
|
||||
|
||||
NS_IMETHOD
|
||||
GetFrameForPoint(nsIPresContext* aPresContext,
|
||||
const nsPoint& aPoint,
|
||||
nsIFrame** aFrame);
|
||||
|
||||
NS_IMETHOD
|
||||
Paint(nsIPresContext* aPresContext,
|
||||
nsIRenderingContext& aRenderingContext,
|
||||
const nsRect& aDirtyRect,
|
||||
nsFramePaintLayer aWhichLayer);
|
||||
|
||||
NS_IMETHOD
|
||||
ReflowChildren(PRInt32 aDirection,
|
||||
nsIPresContext* aPresContext,
|
||||
nsHTMLReflowMetrics& aDesiredSize,
|
||||
const nsHTMLReflowState& aReflowState,
|
||||
nsReflowStatus& aStatus);
|
||||
|
||||
NS_IMETHOD
|
||||
Place(nsIPresContext* aPresContext,
|
||||
nsIRenderingContext& aRenderingContext,
|
||||
PRBool aPlaceOrigin,
|
||||
nsHTMLReflowMetrics& aDesiredSize);
|
||||
|
||||
// nsIDOMMouseListener methods
|
||||
virtual nsresult MouseDown(nsIDOMEvent* aMouseEvent) { MOUSE(down) return NS_OK; }
|
||||
virtual nsresult MouseUp(nsIDOMEvent* aMouseEvent) { MOUSE(up) return NS_OK; }
|
||||
virtual nsresult MouseClick(nsIDOMEvent* aMouseEvent);// { MOUSE(click) return NS_OK; }
|
||||
virtual nsresult MouseDblClick(nsIDOMEvent* aMouseEvent) { MOUSE(dblclik) return NS_OK; }
|
||||
virtual nsresult MouseOver(nsIDOMEvent* aMouseEvent);// { MOUSE(over) return NS_OK; }
|
||||
virtual nsresult MouseOut(nsIDOMEvent* aMouseEvent);// { MOUSE(out) return NS_OK; }
|
||||
|
||||
// nsIDOMEventListener methods
|
||||
virtual nsresult HandleEvent(nsIDOMEvent* aEvent) { MOUSE(event); return NS_OK; }
|
||||
|
||||
protected:
|
||||
nsMathMLmactionFrame();
|
||||
virtual ~nsMathMLmactionFrame();
|
||||
|
||||
virtual PRIntn GetSkipSides() const { return 0; }
|
||||
|
||||
private:
|
||||
nsIPresContext* mPresContext;
|
||||
PRInt32 mActionType;
|
||||
PRInt32 mChildCount;
|
||||
PRInt32 mSelection;
|
||||
nsIFrame* mSelectedFrame;
|
||||
nsString mRestyle;
|
||||
|
||||
// helper to return the frame for the attribute selection="number"
|
||||
nsIFrame*
|
||||
GetSelectedFrame();
|
||||
|
||||
// helper to display a message on the status bar
|
||||
static nsresult
|
||||
ShowStatus(nsIPresContext* aPresContext,
|
||||
nsString& aStatusMsg);
|
||||
};
|
||||
|
||||
#endif /* nsMathMLmactionFrame_h___ */
|
||||
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