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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/java/awt/im/spi | |
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Diffstat (limited to 'libjava/classpath/java/awt/im/spi')
-rw-r--r-- | libjava/classpath/java/awt/im/spi/InputMethod.java | 244 | ||||
-rw-r--r-- | libjava/classpath/java/awt/im/spi/InputMethodContext.java | 126 | ||||
-rw-r--r-- | libjava/classpath/java/awt/im/spi/InputMethodDescriptor.java | 113 | ||||
-rw-r--r-- | libjava/classpath/java/awt/im/spi/package.html | 46 |
4 files changed, 529 insertions, 0 deletions
diff --git a/libjava/classpath/java/awt/im/spi/InputMethod.java b/libjava/classpath/java/awt/im/spi/InputMethod.java new file mode 100644 index 000000000..ebe450841 --- /dev/null +++ b/libjava/classpath/java/awt/im/spi/InputMethod.java @@ -0,0 +1,244 @@ +/* InputMethod.java -- defines an interface for complex text input + Copyright (C) 2002, 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package java.awt.im.spi; + +import java.awt.AWTEvent; +import java.awt.Component; +import java.awt.Rectangle; +import java.awt.im.InputContext; +import java.awt.im.InputMethodRequests; +import java.text.AttributedCharacterIterator.Attribute; +import java.util.Locale; + +/** + * This interface supports complex text input, often for situations where + * the text is more complex than a keyboard will accomodate. For example, + * this can be used for Chinese, Japanese, and Korean, where multiple + * keystrokes are necessary to compose text. This could also support things + * like phonetic English, or reordering Thai. + * + * <p>These contexts can be loaded by the input method framework, using + * {@link InputContext#selectInputMethod(Locale)}. + * + * @author Eric Blake (ebb9@email.byu.edu) + * @since 1.3 + * @status updated to 1.4 + */ +public interface InputMethod +{ + /** + * Set the input method context, which ties the input method to a client + * component. This is called once automatically when creating the input + * method. + * + * @param context the context for this input method + * @throws NullPointerException if context is null + */ + void setInputMethodContext(InputMethodContext context); + + /** + * Sets the input locale. If the input method supports that locale, it + * changes its behavior to be consistent with the locale and returns true. + * Otherwise, it returns false. This is called by + * {@link InputContext#selectInputMethod(Locale)} when the user specifies + * a locale, or when the previously selected input method had a locale. + * + * @param locale the locale to use for input + * @return true if the change is successful + * @throws NullPointerException if locale is null + */ + boolean setLocale(Locale locale); + + /** + * Returns the current input locale, or null if none is defined. This is + * called by {@link InputContext#getLocale()}, or before switching input + * methods. + * + * @return the current input locale, or null + */ + Locale getLocale(); + + /** + * Sets the allowed Unicode subsets that this input method can use. Null + * indicates that all characters are allowed. This is called after creation, + * or when switching to this input method, by + * {@link InputContext#setCharacterSubsets(Character.Subset[])}. + * + * @param subsets the accepted subsets for this input method, or null for all + */ + void setCharacterSubsets(Character.Subset[] subsets); + + /** + * Changes the enabled status of this input method. An enabled input method + * accepts incoming events for composition and control purposes, while a + * disabled input method ignores events (except for control purposes). This + * is called by {@link InputContext#setCompositionEnabled(boolean)} or when + * switching from an input method if the previous input method returned + * without exception on {@link #isCompositionEnabled()}. + * + * @param enable whether to enable this input method + * @throws UnsupportedOperationException if enabling/disabling is unsupported + * @see #isCompositionEnabled() + */ + void setCompositionEnabled(boolean enable); + + /** + * Find out if this input method is enabled. This is called by + * {@link InputContext#isCompositionEnabled()}, or when switching input + * methods via {@link InputContext#selectInputMethod(Locale)}. + * + * @return true if this input method is enabled + * @throws UnsupportedOperationException if enabling/disabling is unsupported + * @see #setCompositionEnabled(boolean) + */ + boolean isCompositionEnabled(); + + /** + * Starts a reconversion operation. The input method gets its text from the + * client, using {@link InputMethodRequests#getSelectedText(Attribute[])}. + * Then the composed and committed text produced by the operation is sent + * back to the client using a sequence of InputMethodEvents. This is called + * by {@link InputContext#reconvert()}. + * + * @throws UnsupportedOperationException if reconversion is unsupported + */ + void reconvert(); + + /** + * Dispatch an event to the input method. If input method support is enabled, + * certain events are dispatched to the input method before the client + * component or event listeners. The input method must either consume the + * event or pass it on to the component. Instances of InputEvent, including + * KeyEvent and MouseEvent, are given to this input method. This method is + * called by {@link InputContext#dispatchEvent(AWTEvent)}. + * + * @param event the event to dispatch + * @throws NullPointerException if event is null + */ + void dispatchEvent(AWTEvent event); + + /** + * Notify this input method of changes in the client window. This is called + * when notifications are enabled (see {@link + * InputMethodContext#enableClientWindowNotification(InputMethod, boolean)}, + * if {@link InputContext#removeNotify(Component)} has not been called. + * The following situations trigger a notification:<ul> + * <li>The client window changes in location, size, visibility, + * iconification, or is closed.</li> + * <li>When enabling client notification (or on the first activation after + * enabling if no client existed at the time).</li> + * <li>When activating a new client after <code>removeNotify</code> was + * called on a previous client.</li> + * </ul> + * + * @param bounds the client window's current bounds, or null + */ + void notifyClientWindowChange(Rectangle bounds); + + /** + * Activate this input method for input processing. If the input method + * provides its own windows, it should make them open and visible at this + * time. This method is called when a client component receives a + * FOCUS_GAINED event, or when switching to this input method from another + * one. It is only called when the input method is inactive, assuming that + * new instances begin in an inactive state. + */ + void activate(); + + /** + * Deactivate this input method, either temporarily or permanently for the + * given client. If the input method provides its own windows, it should + * only close those related to the current composition (such as a lookup + * choice panel), while leaving more persistant windows (like a control + * panel) open to avoid screen flicker. Before control is given to another + * input method, {@link #hideWindows()} will be called on this instance. + * This method is called when a client component receives a + * FOCUS_LOST event, when switching to another input method, or before + * {@link #removeNotify()} when the client is removed. + * + * @param isTemporary true if the focus change is temporary + */ + void deactivate(boolean isTemporary); + + /** + * Close or hide all windows opened by this input method. This is called + * before activating a different input method, and before calling + * {@link #dispose()} on this instance. It is only called when the input + * method is inactive. + */ + void hideWindows(); + + /** + * Notify the input method that a client component has been removed from its + * hierarchy, or that input method support has been disabled. This is + * called by {@link InputContext#removeNotify(Component)}, and only when the input + * method is inactive. + */ + void removeNotify(); + + /** + * End any input composition currently taking place. Depending on the + * platform and user preferences, this may commit or delete uncommitted text, + * using input method events. This may be called for a variety of reasons, + * such as when the user moves the insertion point in the client text outside + * the range of the composed text, or when text is saved to file. This is + * called by {@link InputContext#endComposition()}, when switching to a + * new input method, or by {@link InputContext#selectInputMethod(Locale)}. + */ + void endComposition(); + + /** + * Disposes the input method and release any resources it is using. In + * particular, the input method should dispose windows and close files. This + * is called by {@link InputContext#dispose()}, when the input method is + * inactive; and nothing will be called on this instance afterwards. + */ + void dispose(); + + /** + * Returns a control object from this input method, or null. A control object + * provides method to control the behavior of this input method, as well as + * query information about it. The object is implementation dependent, so + * clients must compare the result against known input method control + * object types. This is called by + * {@link InputContext#getInputMethodControlObject()}. + * + * @return the control object, or null + */ + Object getControlObject(); +} // interface InputMethod diff --git a/libjava/classpath/java/awt/im/spi/InputMethodContext.java b/libjava/classpath/java/awt/im/spi/InputMethodContext.java new file mode 100644 index 000000000..aed21e8d3 --- /dev/null +++ b/libjava/classpath/java/awt/im/spi/InputMethodContext.java @@ -0,0 +1,126 @@ +/* InputMethodContext.java -- communication between an input method and client + Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package java.awt.im.spi; + +import java.awt.HeadlessException; +import java.awt.Rectangle; +import java.awt.Window; +import java.awt.font.TextHitInfo; +import java.awt.im.InputMethodRequests; +import java.text.AttributedCharacterIterator; + +import javax.swing.JFrame; + +/** + * Provides methods for the communication context between an input method + * and the client component. This should be passed to + * {@link InputMethod#setInputMethodContext(InputMethodContext)}. + * + * @author Eric Blake (ebb9@email.byu.edu) + * @author Andrew John Hughes (gnu_andrew@member.fsf.org) + * @since 1.3 + * @status updated to 1.4 + */ +public interface InputMethodContext extends InputMethodRequests +{ + /** + * Create an input method event and dispatch it to the client. + * + * @param id the event type + * @param text an iterator over the text to be committed + * @param count the count of characters to be committed + * @param caret the insertion point of the commit, or null + * @param visiblePosition the best location to make visible, or null + */ + void dispatchInputMethodEvent(int id, AttributedCharacterIterator text, + int count, TextHitInfo caret, + TextHitInfo visiblePosition); + + /** + * Creates a top-level window for use by the input method. This window should + * float above all document windows and dialogs, not receive focus, and have + * lightweight decorations (such as no title, reduced drag regions). But + * this behavior may be modified to meet the platform style. The title may + * or may not be displayed, depending on the platform. + * + * <p>If attachToInputContext is true, the new window will share the input + * context of the input method, so that events in the new window are + * dispatched to the input method. Also, this supresses deactivate and + * activate calls to the input method caused by setVisible. + * + * @param title the window title, if one is displayed; null becomes "" + * @param attachToInputContext true for the window to share context with + * the input method + * @return the new window for use by the input method + * @throws HeadlessException if GraphicsEnvironment.isHeadless is true + */ + Window createInputMethodWindow(String title, boolean attachToInputContext); + + /** + * Creates a top-level Swing JFrame for use by the input method. This frame + * should float above all document windows and dialogs, not receive focus, + * and have lightweight decorations (such as no title, reduced drag + * regions). But this behavior may be modified to meet the platform style. + * The title may or may not be displayed, depending on the platform. + * + * <p>If attachToInputContext is true, the new window will share the input + * context of the input method, so that events in the new window are + * dispatched to the input method. Also, this supresses deactivate and + * activate calls to the input method caused by setVisible. + * + * @param title the window title, if one is displayed; null becomes "" + * @param attachToInputContext true for the window to share context with + * the input method + * @return the new window for use by the input method + * @throws HeadlessException if GraphicsEnvironment.isHeadless is true + * @since 1.4 + */ + JFrame createInputMethodJFrame(String title, boolean attachToInputContext); + + /** + * Sets whether notification of the client window's location and state should + * be enabled for the input method. When enabled, the input method's + * {@link InputMethod#notifyClientWindowChange(Rectangle)} method is called. + * Notification is automatically disabled when the input method is disposed. + * + * @param inputMethod the method to change status of + * @param enable true to enable notification + */ + void enableClientWindowNotification(InputMethod inputMethod, boolean enable); +} // interface InputMethodContext diff --git a/libjava/classpath/java/awt/im/spi/InputMethodDescriptor.java b/libjava/classpath/java/awt/im/spi/InputMethodDescriptor.java new file mode 100644 index 000000000..ce40ab2b6 --- /dev/null +++ b/libjava/classpath/java/awt/im/spi/InputMethodDescriptor.java @@ -0,0 +1,113 @@ +/* InputMethodDescriptor.java -- enables loading and use of an input method + Copyright (C) 2002, 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package java.awt.im.spi; + +import java.awt.AWTException; +import java.awt.Image; +import java.awt.im.InputContext; +import java.util.Locale; + +/** + * This interface provides information about an InputMethod before it is + * loaded. + * + * @author Eric Blake (ebb9@email.byu.edu) + * @since 1.3 + * @status updated to 1.4 + */ +public interface InputMethodDescriptor +{ + /** + * Returns the locales supported by the input method this describes. This + * allows the selection of input methods by locale (by language only, or + * also by country and variant), via + * {@link InputContext#selectInputMethod(Locale)}. The returned list should + * ignore pass-through locales, so it is usually a subset of locales for + * which {@link InputMethod#setLocale(Locale)} returns true. If + * {@link #hasDynamicLocaleList()} returns true, this is called each time + * information is needed, allowing dynamic addition or removal of supported + * locales. + * + * @return the list of supported locales + * @throws AWTException if the input method is not available + */ + Locale[] getAvailableLocales() throws AWTException; + + /** + * Test whether the input method this describes has a static or dynamic + * locale list. For example, this would return true if the list of supported + * locales depends on adapters currently loaded over a network. + * + * @return true if the locale list is dynamic + */ + boolean hasDynamicLocaleList(); + + /** + * Returns a user visible name of the input locale, displayed in the + * specified locale. The inputLocale parameter must be one obtained from + * the list in {@link #getAvailableLocales()}, or null for a + * locale-independent description of the input method. If a translation to + * the desired display language is not available, another language may be + * used. + * + * @param inputLocale the locale of the input method, or null + * @param displayLanguage the language of the result + * @return the name of the input method when using the given inputLocale + */ + String getInputMethodDisplayName(Locale inputLocale, + Locale displayLanguage); + + /** + * Returns a 16x16 icon for the input locale. The inputLocale parameter + * must be one obtained from the list in {@link #getAvailableLocales()}, or + * null for a locale-independent icon for the input method. + * + * @param inputLocale the locale of the input method, or null + * @return a 16x16 icon for the input method when using the given inputLocale + */ + Image getInputMethodIcon(Locale inputLocale); + + /** + * Creates a new instance of the input method. + * + * @return the newly created input method + * @throws Exception if anything goes wrong + */ + InputMethod createInputMethod() throws Exception; + +} // interface InputMethodDescriptor diff --git a/libjava/classpath/java/awt/im/spi/package.html b/libjava/classpath/java/awt/im/spi/package.html new file mode 100644 index 000000000..c526ee159 --- /dev/null +++ b/libjava/classpath/java/awt/im/spi/package.html @@ -0,0 +1,46 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> +<!-- package.html - describes classes in java.awt.im.spi package. + Copyright (C) 2002 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. --> + +<html> +<head><title>GNU Classpath - java.awt.im.spi</title></head> + +<body> +<p>Interfaces for implementation of text input methods.</p> + +</body> +</html> |