mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-04 19:33:18 +00:00
140 lines
4.6 KiB
C++
140 lines
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.1 (the "License"); you may not use this file except in
|
|
* compliance with the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the NPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the NPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef nsIScrollbar_h__
|
|
#define nsIScrollbar_h__
|
|
|
|
#include "nsIWidget.h"
|
|
|
|
// {18032AD2-B265-11d1-AA2A-000000000000}
|
|
#define NS_ISCROLLBAR_IID \
|
|
{ 0x18032ad2, 0xb265, 0x11d1, \
|
|
{ 0xaa, 0x2a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 } }
|
|
|
|
|
|
/**
|
|
*
|
|
* Scrollbar, converts mouse input into values that can be used
|
|
* to shift the contents of a window.
|
|
*
|
|
*/
|
|
|
|
|
|
class nsIScrollbar : public nsISupports
|
|
{
|
|
public:
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISCROLLBAR_IID)
|
|
|
|
/**
|
|
* Set the scrollbar range
|
|
* @param aEndRange set range for scrollbar from 0 to aEndRange
|
|
* @result NS_Ok if no errors
|
|
*
|
|
*/
|
|
NS_IMETHOD SetMaxRange(PRUint32 aEndRange) = 0;
|
|
|
|
/**
|
|
* Get the scrollbar range
|
|
* @return the upper end of the scrollbar range
|
|
* @result NS_Ok if no errors
|
|
*/
|
|
NS_IMETHOD GetMaxRange(PRUint32& aMaxRange) = 0;
|
|
|
|
/**
|
|
* Set the thumb position.
|
|
* @param aPos a value between (startRange) and (endRange - thumbSize)
|
|
* @result NS_Ok if no errors
|
|
*
|
|
*/
|
|
NS_IMETHOD SetPosition(PRUint32 aPos) = 0;
|
|
|
|
/**
|
|
* Get the thumb position.
|
|
* @return a value between (startRange) and (endRange - thumbSize)
|
|
* @result NS_Ok if no errors
|
|
*
|
|
*/
|
|
NS_IMETHOD GetPosition(PRUint32& aPos) = 0;
|
|
|
|
/**
|
|
* Set the thumb size.
|
|
* @param aSize size of the thumb. Must be a value between
|
|
* startRange and endRange
|
|
* @result NS_Ok if no errors
|
|
*/
|
|
NS_IMETHOD SetThumbSize(PRUint32 aSize) = 0;
|
|
|
|
/**
|
|
* Get the thumb size.
|
|
* @return size of the thumb. The value is between
|
|
* startRange and endRange
|
|
* @result NS_Ok if no errors
|
|
*/
|
|
NS_IMETHOD GetThumbSize(PRUint32& aSize) = 0;
|
|
|
|
/**
|
|
* Set the line increment.
|
|
* @param aSize size of the line increment. The value must
|
|
* be between startRange and endRange
|
|
* @result NS_Ok if no errors
|
|
*/
|
|
NS_IMETHOD SetLineIncrement(PRUint32 aSize) = 0;
|
|
|
|
/**
|
|
* Get the line increment.
|
|
* @return size of the line increment. The value is
|
|
* between startRange and endRange
|
|
* @result NS_Ok if no errors
|
|
*/
|
|
NS_IMETHOD GetLineIncrement(PRUint32& aSize) = 0;
|
|
|
|
/**
|
|
* Set all scrollbar parameters at once
|
|
* @param aMaxRange set range for scrollbar from 0 to aMaxRange
|
|
* @param aThumbSize size of the thumb. Must be a value between
|
|
* startRange and endRange
|
|
* @param aPosition a value between (startRange) and (endRange - thumbSize)
|
|
* @param aLineIncrement size of the line increment. The value must
|
|
* be between startRange and endRange
|
|
* @result NS_Ok if no errors
|
|
*/
|
|
NS_IMETHOD SetParameters(PRUint32 aMaxRange, PRUint32 aThumbSize,
|
|
PRUint32 aPosition, PRUint32 aLineIncrement) = 0;
|
|
};
|
|
|
|
#endif // nsIScrollbar_h__
|