mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-26 18:31:29 +00:00
85 lines
2.3 KiB
C++
85 lines
2.3 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.
|
|
*/
|
|
|
|
|
|
#include "nsCoord.h"
|
|
#include "nsIDOMSelectionListener.h"
|
|
#include "nsICaret.h"
|
|
|
|
|
|
class nsITimer;
|
|
class nsCaretProperties;
|
|
|
|
// {E14B66F6-BFC5-11d2-B57E-00105AA83B2F}
|
|
#define NS_CARET_CID \
|
|
{ 0xe14b66f6, 0xbfc5, 0x11d2, { 0xb5, 0x7e, 0x0, 0x10, 0x5a, 0xa8, 0x3b, 0x2f } };
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class nsCaret : public nsICaret,
|
|
public nsIDOMSelectionListener
|
|
{
|
|
public:
|
|
|
|
nsCaret();
|
|
virtual ~nsCaret();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
public:
|
|
|
|
/* nsICaret interface */
|
|
NS_IMETHOD Init(nsIPresShell *inPresShell, nsCaretProperties *inCaretProperties);
|
|
|
|
NS_IMETHOD SetCaretVisible(PRBool inMakeVisible);
|
|
NS_IMETHOD SetCaretReadOnly(PRBool inMakeReadonly);
|
|
NS_IMETHOD Refresh();
|
|
|
|
/* nsIDOMSelectionListener interface */
|
|
NS_IMETHOD NotifySelectionChanged();
|
|
|
|
static void CaretBlinkCallback(nsITimer *aTimer, void *aClosure);
|
|
|
|
protected:
|
|
|
|
nsresult PrimeTimer();
|
|
|
|
nsresult StartBlinking();
|
|
nsresult StopBlinking();
|
|
|
|
void DrawCaret();
|
|
|
|
|
|
nsIPresShell *mPresShell; // we rely on the nsEditor to refCount this
|
|
nsITimer* mBlinkTimer;
|
|
|
|
PRUint32 mBlinkRate; // time for one cyle (off then on), in milliseconds
|
|
nscoord mCaretWidth; // caret width in twips
|
|
|
|
PRBool mVisible; // is the caret blinking
|
|
PRBool mReadOnly; // it the caret in readonly state (draws differently)
|
|
|
|
private:
|
|
|
|
PRBool mDrawn; // this should be mutable
|
|
nsRect mCaretRect; // the last caret that was drawn
|
|
|
|
};
|
|
|