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jeremybenn |
/* InputMethodDescriptor.java -- enables loading and use of an input method
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Copyright (C) 2002, 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt.im.spi;
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import java.awt.AWTException;
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import java.awt.Image;
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import java.awt.im.InputContext;
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import java.util.Locale;
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/**
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* This interface provides information about an InputMethod before it is
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* loaded.
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*
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* @author Eric Blake (ebb9@email.byu.edu)
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* @since 1.3
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* @status updated to 1.4
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*/
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public interface InputMethodDescriptor
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{
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/**
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* Returns the locales supported by the input method this describes. This
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* allows the selection of input methods by locale (by language only, or
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* also by country and variant), via
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* {@link InputContext#selectInputMethod(Locale)}. The returned list should
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* ignore pass-through locales, so it is usually a subset of locales for
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* which {@link InputMethod#setLocale(Locale)} returns true. If
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* {@link #hasDynamicLocaleList()} returns true, this is called each time
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* information is needed, allowing dynamic addition or removal of supported
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* locales.
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*
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* @return the list of supported locales
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* @throws AWTException if the input method is not available
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*/
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Locale[] getAvailableLocales() throws AWTException;
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/**
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* Test whether the input method this describes has a static or dynamic
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* locale list. For example, this would return true if the list of supported
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* locales depends on adapters currently loaded over a network.
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*
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* @return true if the locale list is dynamic
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*/
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boolean hasDynamicLocaleList();
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/**
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* Returns a user visible name of the input locale, displayed in the
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* specified locale. The inputLocale parameter must be one obtained from
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* the list in {@link #getAvailableLocales()}, or null for a
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* locale-independent description of the input method. If a translation to
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* the desired display language is not available, another language may be
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* used.
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*
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* @param inputLocale the locale of the input method, or null
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* @param displayLanguage the language of the result
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* @return the name of the input method when using the given inputLocale
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*/
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String getInputMethodDisplayName(Locale inputLocale,
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Locale displayLanguage);
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/**
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* Returns a 16x16 icon for the input locale. The inputLocale parameter
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* must be one obtained from the list in {@link #getAvailableLocales()}, or
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* null for a locale-independent icon for the input method.
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*
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* @param inputLocale the locale of the input method, or null
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* @return a 16x16 icon for the input method when using the given inputLocale
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*/
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Image getInputMethodIcon(Locale inputLocale);
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/**
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* Creates a new instance of the input method.
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*
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* @return the newly created input method
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* @throws Exception if anything goes wrong
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*/
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InputMethod createInputMethod() throws Exception;
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} // interface InputMethodDescriptor
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