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134 lines
4.5 KiB
C++
134 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* The University Of Queensland.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. 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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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsMathMLmactionFrame_h___
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#define nsMathMLmactionFrame_h___
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#include "nsCOMPtr.h"
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#include "nsMathMLContainerFrame.h"
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//
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// <maction> -- bind actions to a subexpression
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//
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class nsMathMLmactionFrame : public nsMathMLContainerFrame {
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public:
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NS_DECL_FRAMEARENA_HELPERS
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friend nsIFrame* NS_NewMathMLmactionFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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NS_IMETHOD
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Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow);
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NS_IMETHOD
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SetInitialChildList(nsIAtom* aListName,
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nsFrameList& aChildList);
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virtual nsresult
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ChildListChanged(PRInt32 aModType);
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NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists);
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virtual nsresult
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Place(nsIRenderingContext& aRenderingContext,
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PRBool aPlaceOrigin,
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nsHTMLReflowMetrics& aDesiredSize);
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NS_IMETHOD
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Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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private:
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void MouseClick();
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void MouseOver();
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void MouseOut();
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class MouseListener : public nsIDOMMouseListener {
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NS_DECL_ISUPPORTS
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MouseListener(nsMathMLmactionFrame* aOwner) : mOwner(aOwner) { };
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//#define DEBUG_mouse 1
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#if DEBUG_mouse
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#define MOUSE(_msg) printf("maction:%p MOUSE: "#_msg" ...\n", mOwner);
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#else
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#define MOUSE(_msg)
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#endif
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// nsIDOMMouseListener methods
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NS_IMETHOD MouseDown(nsIDOMEvent* aMouseEvent) { MOUSE(down) return NS_OK; }
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NS_IMETHOD MouseUp(nsIDOMEvent* aMouseEvent) { MOUSE(up) return NS_OK; }
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NS_IMETHOD MouseClick(nsIDOMEvent* aMouseEvent);// { MOUSE(click) return NS_OK; }
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NS_IMETHOD MouseDblClick(nsIDOMEvent* aMouseEvent) { MOUSE(dblclik) return NS_OK; }
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NS_IMETHOD MouseOver(nsIDOMEvent* aMouseEvent);// { MOUSE(over) return NS_OK; }
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NS_IMETHOD MouseOut(nsIDOMEvent* aMouseEvent);// { MOUSE(out) return NS_OK; }
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// nsIDOMEventListener methods
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NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) { MOUSE(event); return NS_OK; }
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nsMathMLmactionFrame* mOwner;
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};
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protected:
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nsMathMLmactionFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {}
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virtual ~nsMathMLmactionFrame();
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virtual PRIntn GetSkipSides() const { return 0; }
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private:
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PRInt32 mActionType;
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PRInt32 mChildCount;
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PRInt32 mSelection;
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nsIFrame* mSelectedFrame;
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nsString mRestyle;
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nsCOMPtr<MouseListener> mListener;
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// helper to return the frame for the attribute selection="number"
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nsIFrame*
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GetSelectedFrame();
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};
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#endif /* nsMathMLmactionFrame_h___ */
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