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+ * @param tracker to ask where the current focus is and to set the new anchor ect. + * @param aGuiEvent is the event that should be dealt with by aFocusFrame + * @param aFrame is the frame that MAY handle the event + */ + NS_IMETHOD HandleKeyEvent(nsIFocusTracker *aTracker, nsGUIEvent *aGuiEvent, nsIFrame *aFrame) = 0; + + /** TakeFocus will take the focus to the new frame at the new offset and + * will either extend the selection from the old anchor, or replace the old anchor. + * the old anchor and focus position may also be used to deselect things + * @param aTracker we need a focus tracker to get the old focus ect. + * @param aFrame is the frame that wants the focus + * @param aOffset is the offset in the aFrame that will get the focus point + * @param aContentOffset is the offset in the node of the aFrame that is reflected be aOffset + * @param aContinueSelection is the flag that tells the selection to keep the old anchor point or not. + */ + NS_IMETHOD TakeFocus(nsIFocusTracker *aTracker, nsIFrame *aFrame, PRInt32 aOffset, PRInt32 aContentOffset, PRBool aContinueSelection) = 0; + + /** ResetSelection will top down search for frames that need selection + */ + NS_IMETHOD ResetSelection(nsIFocusTracker *aTracker, nsIFrame *aStartFrame) = 0; + +}; + + +#endif /* nsIFrameSelection_h___ */ diff --git a/mozilla/layout/base/public/nsIFrameSelection.h b/mozilla/layout/base/public/nsIFrameSelection.h new file mode 100644 index 00000000000..7344ed91941 --- /dev/null +++ b/mozilla/layout/base/public/nsIFrameSelection.h @@ -0,0 +1,72 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * + * The contents of this file are subject to the Netscape Public License + * Version 1.0 (the "NPL"); you may not use this file except in + * compliance with the NPL. You may obtain a copy of the NPL at + * http://www.mozilla.org/NPL/ + * + * Software distributed under the NPL is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL + * for the specific language governing rights and limitations under the + * NPL. + * + * The Initial Developer of this code under the NPL is Netscape + * Communications Corporation. Portions created by Netscape are + * Copyright (C) 1998 Netscape Communications Corporation. All Rights + * Reserved. + */ + +/* + * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + * NOTE!! This is not a general class, but specific to layout and frames. + * Consumers looking for the general selection interface should look at + * nsIDOMSelection. + */ + +#ifndef nsIFrameSelection_h___ +#define nsIFrameSelection_h___ + +#include "nsISupports.h" +#include "nsIFrame.h" +#include "nsIFocusTracker.h" + +// IID for the nsIFrameSelection interface +#define NS_IFRAMESELECTION_IID \ +{ 0xf46e4171, 0xdeaa, 0x11d1, \ + { 0x97, 0xfc, 0x0, 0x60, 0x97, 0x3, 0xc1, 0x4e } } + +//---------------------------------------------------------------------- + +// Selection interface +class nsIFrameSelection : public nsISupports { +public: + static const nsIID& IID() { static nsIID iid = NS_IFRAMESELECTION_IID; return iid; } + + /** HandleKeyEvent will accept an event and frame and + * will return NS_OK if it handles the event or NS_COMFALSE if not. + *
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+ * @param tracker to ask where the current focus is and to set the new anchor ect. + * @param aGuiEvent is the event that should be dealt with by aFocusFrame + * @param aFrame is the frame that MAY handle the event + */ + NS_IMETHOD HandleKeyEvent(nsIFocusTracker *aTracker, nsGUIEvent *aGuiEvent, nsIFrame *aFrame) = 0; + + /** TakeFocus will take the focus to the new frame at the new offset and + * will either extend the selection from the old anchor, or replace the old anchor. + * the old anchor and focus position may also be used to deselect things + * @param aTracker we need a focus tracker to get the old focus ect. + * @param aFrame is the frame that wants the focus + * @param aOffset is the offset in the aFrame that will get the focus point + * @param aContentOffset is the offset in the node of the aFrame that is reflected be aOffset + * @param aContinueSelection is the flag that tells the selection to keep the old anchor point or not. + */ + NS_IMETHOD TakeFocus(nsIFocusTracker *aTracker, nsIFrame *aFrame, PRInt32 aOffset, PRInt32 aContentOffset, PRBool aContinueSelection) = 0; + + /** ResetSelection will top down search for frames that need selection + */ + NS_IMETHOD ResetSelection(nsIFocusTracker *aTracker, nsIFrame *aStartFrame) = 0; + +}; + + +#endif /* nsIFrameSelection_h___ */