gecko-dev/base/public/nsCaretProperties.h
1999-03-02 04:25:11 +00:00

54 lines
1.5 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.
*/
// this class is used to gather caret properties from the OS. It
// must be implemented by each platform that wants more than
// the generic caret properties.
class nsCaretProperties
{
public:
nsCaretProperties();
virtual ~nsCaretProperties() {}
virtual PRInt32 GetCaretWidth() { return mCaretWidth; }
virtual PRUint32 GetCaretBlinkRate() { return mBlinkRate; }
protected:
// have value for no blinking
enum {
eDefaulBlinkRate = 500, // twice a second
eDefaultCaretWidth = 20 // 20 twips = 1 pixel
};
PRInt32 mCaretWidth; // caret width in twips
PRUint32 mBlinkRate; // blink rate in milliseconds
// members for vertical placement & size?
};
NS_BASE nsCaretProperties* NewCaretProperties();