зеркало из https://github.com/mozilla/gecko-dev.git
129 строки
5.2 KiB
Plaintext
129 строки
5.2 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla 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/MPL/
|
|
*
|
|
* 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 the Mozilla browser.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications, Inc.
|
|
* Portions created by the Initial Developer are Copyright (C) 1999
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Travis Bogard <travis@netscape.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of 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 MPL, 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 MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "nsISupports.idl"
|
|
|
|
/**
|
|
* The nsIScrollable is an interface that can be implemented by a control that
|
|
* supports scrolling. This is a generic interface without concern for the
|
|
* type of content that may be inside. It simply deals blindly with scroll
|
|
* position as a composite of the lowest possible scroll position, the highest
|
|
* possible position and the current position lying somewhere between the
|
|
* min and the max.
|
|
*/
|
|
|
|
[scriptable, uuid(919e792a-6490-40b8-bba5-f9e9ad5640c8)]
|
|
interface nsIScrollable : nsISupports
|
|
{
|
|
/*
|
|
Constants declaring the two scroll orientations a scroll bar can be in.
|
|
ScrollOrientation_X - Horizontal scrolling. When passing this
|
|
in to a scroll position method you are requesting or
|
|
setting the positions for the horizontal scroll bar.
|
|
ScrollOrientation_Y - Vertical scrolling. When passing this
|
|
in to a scroll position you are requesting or setting
|
|
the positions for the vertical scroll bar.
|
|
*/
|
|
const long ScrollOrientation_X = 1;
|
|
const long ScrollOrientation_Y = 2;
|
|
|
|
/*
|
|
Retrieves or Sets the current thumb position to the curPos passed in for the
|
|
scrolling orientation passed in. curPos should be between minPos and maxPos.
|
|
|
|
@return NS_OK - Setting or Getting completed successfully.
|
|
NS_ERROR_INVALID_ARG - returned when curPos is not within the
|
|
minPos and maxPos.
|
|
*/
|
|
long getCurScrollPos(in long scrollOrientation);
|
|
void setCurScrollPos(in long scrollOrientation, in long curPos);
|
|
|
|
/*
|
|
This function atomizes the ability to scroll in two dimensions at the same
|
|
time.
|
|
*/
|
|
void setCurScrollPosEx(in long curHorizontalPos, in long curVerticalPos);
|
|
|
|
/*
|
|
Retrieves or Sets the valid ranges for the thumb. When maxPos is set to
|
|
something less than the current thumb position, curPos is set = to maxPos.
|
|
|
|
@return NS_OK - Setting or Getting completed successfully.
|
|
NS_ERROR_INVALID_ARG - returned when curPos is not within the
|
|
minPos and maxPos.
|
|
*/
|
|
void getScrollRange(in long scrollOrientation, out long minPos, out long maxPos);
|
|
void setScrollRange(in long scrollOrientation, in long minPos, in long maxPos);
|
|
|
|
/*
|
|
This function atomizes the ability to set the ranges in two dimensions at
|
|
the same time.
|
|
*/
|
|
void setScrollRangeEx(in long minHorizontalPos, in long maxHorizontalPos,
|
|
in long minVerticalPos, in long maxVerticalPos);
|
|
|
|
/*
|
|
Constants declaring the states of the scroll bars.
|
|
ScrollPref_Auto - bars visible only when needed.
|
|
ScrollPref_Never - bars never visible, even when scrolling still possible.
|
|
ScrollPref_Always - bars always visible, even when scrolling is not possible
|
|
*/
|
|
const long Scrollbar_Auto = 1;
|
|
const long Scrollbar_Never = 2;
|
|
const long Scrollbar_Always = 3;
|
|
|
|
/*
|
|
Retrieves or Set the preferences for the scroll bar.
|
|
current is 'scrolling preference for this document'
|
|
default is 'scrolling preference for all documents in this shell'
|
|
resetScrollbarPreferences resets current to default
|
|
*/
|
|
long getDefaultScrollbarPreferences(in long scrollOrientation);
|
|
void setDefaultScrollbarPreferences(in long scrollOrientation, in long scrollbarPref);
|
|
|
|
/*
|
|
Get information about whether the vertical and horizontal scrollbars are
|
|
currently visible. nsnull is a valid argument. If you are only interested
|
|
in one of the visibility settings pass nsnull in for the one you aren't
|
|
interested in.
|
|
*/
|
|
void getScrollbarVisibility(out boolean verticalVisible,
|
|
out boolean horizontalVisible);
|
|
};
|