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35 lines
1.1 KiB
Plaintext
35 lines
1.1 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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[scriptable, uuid(99957506-f21b-4a61-ad64-5b641cf508e2)]
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interface nsIBidiKeyboard : nsISupports
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{
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/**
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* Determines if the current keyboard language is right-to-left
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* @throws NS_ERROR_FAILURE if no right-to-left keyboards are installed
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*/
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boolean isLangRTL();
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/**
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* Sets the keyboard language to left-to-right or right-to-left
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* @param aLevel - if odd set the keyboard to RTL, if even set LTR
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* @throws NS_ERROR_FAILURE if no right-to-left keyboards are installed
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*/
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void setLangFromBidiLevel(in PRUint8 aLevel);
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/**
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* Determines whether the system has at least one keyboard of each direction
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* installed.
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*
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* @throws NS_ERROR_NOT_IMPLEMENTED if the widget layer does not provide this
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* information.
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*/
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readonly attribute boolean haveBidiKeyboards;
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};
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