mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-07 12:15:51 +00:00
71 lines
2.9 KiB
C++
71 lines
2.9 KiB
C++
/* -*- 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 should be renamed asap to nsIFrameSelection
|
|
* -- it's not a general class, but specific to frames.
|
|
* nsIDOMSelection is the more general selection interface.
|
|
*/
|
|
|
|
#ifndef nsISelection_h___
|
|
#define nsISelection_h___
|
|
|
|
#include "nsISupports.h"
|
|
#include "nsIFrame.h"
|
|
#include "nsIFocusTracker.h"
|
|
|
|
// IID for the nsISelection interface
|
|
#define NS_ISELECTION_IID \
|
|
{ 0xf46e4171, 0xdeaa, 0x11d1, \
|
|
{ 0x97, 0xfc, 0x0, 0x60, 0x97, 0x3, 0xc1, 0x4e } }
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
// Selection interface
|
|
class nsISelection : public nsISupports {
|
|
public:
|
|
static const nsIID& GetIID() { static nsIID iid = NS_ISELECTION_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.
|
|
* <P>DOES NOT ADDREF<P>
|
|
* @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 /* nsISelection_h___ */
|