Examples with InputMethodDescriptor java.awt.im.spi.InputMethodDescriptor used on opensource projects

Example 1 with InputMethodDescriptor

use of java.awt.im.spi.InputMethodDescriptor in project jdk8u_jdk by JetBrains.

the class ExecutableInputMethodManager method putPreferredInputMethod.

/**
     * Writes the preferred input method descriptor class name into
     * the user's Preferences tree in accordance with the given locale.
     *
     * @param inputMethodLocator input method locator to remember.
     */
private synchronized void putPreferredInputMethod(InputMethodLocator locator) {
    InputMethodDescriptor descriptor = locator.getDescriptor();
    Locale preferredLocale = locator.getLocale();
    if (preferredLocale == null) {
        // check available locales of the input method
        try {
            Locale[] availableLocales = descriptor.getAvailableLocales();
            if (availableLocales.length == 1) {
                preferredLocale = availableLocales[0];
            } else {
                // there is no way to know which locale is the preferred one, so do nothing.
                return;
            }
        } catch (AWTException ae) {
            // do nothing here, either.
            return;
        }
    }
    // "xx_YY" as "xx" when putting the preference into tree
    if (preferredLocale.equals(Locale.JAPAN)) {
        preferredLocale = Locale.JAPANESE;
    }
    if (preferredLocale.equals(Locale.KOREA)) {
        preferredLocale = Locale.KOREAN;
    }
    if (preferredLocale.equals(new Locale("th", "TH"))) {
        preferredLocale = new Locale("th");
    }
    // obtain node
    String path = preferredIMNode + "/" + createLocalePath(preferredLocale);
    // write in the preference tree
    writePreferredInputMethod(path, descriptor.getClass().getName());
    preferredLocatorCache.put(preferredLocale.toString().intern(), locator.deriveLocator(preferredLocale));
    return;
}

Example 2 with InputMethodDescriptor

use of java.awt.im.spi.InputMethodDescriptor in project jdk8u_jdk by JetBrains.

the class ExecutableInputMethodManager method getPreferredInputMethod.

/**
     * Returns a InputMethodLocator object that the
     * user prefers for the given locale.
     *
     * @param locale Locale for which the user prefers the input method.
     */
private synchronized InputMethodLocator getPreferredInputMethod(Locale locale) {
    InputMethodLocator preferredLocator = null;
    if (!hasMultipleInputMethods()) {
        // No need to look for a preferred Java input method
        return null;
    }
    // look for the cached preference first.
    preferredLocator = preferredLocatorCache.get(locale.toString().intern());
    if (preferredLocator != null) {
        return preferredLocator;
    }
    // look for the preference in the user preference tree
    String nodePath = findPreferredInputMethodNode(locale);
    String descriptorName = readPreferredInputMethod(nodePath);
    Locale advertised;
    // get the locator object
    if (descriptorName != null) {
        // check for the host adapter first
        if (hostAdapterLocator != null && hostAdapterLocator.getDescriptor().getClass().getName().equals(descriptorName)) {
            advertised = getAdvertisedLocale(hostAdapterLocator, locale);
            if (advertised != null) {
                preferredLocator = hostAdapterLocator.deriveLocator(advertised);
                preferredLocatorCache.put(locale.toString().intern(), preferredLocator);
            }
            return preferredLocator;
        }
        // look for Java input methods
        for (int i = 0; i < javaInputMethodLocatorList.size(); i++) {
            InputMethodLocator locator = javaInputMethodLocatorList.get(i);
            InputMethodDescriptor descriptor = locator.getDescriptor();
            if (descriptor.getClass().getName().equals(descriptorName)) {
                advertised = getAdvertisedLocale(locator, locale);
                if (advertised != null) {
                    preferredLocator = locator.deriveLocator(advertised);
                    preferredLocatorCache.put(locale.toString().intern(), preferredLocator);
                }
                return preferredLocator;
            }
        }
        // maybe preferred input method information is bogus.
        writePreferredInputMethod(nodePath, null);
    }
    return null;
}

Example 3 with InputMethodDescriptor

use of java.awt.im.spi.InputMethodDescriptor in project jdk8u_jdk by JetBrains.

the class AWTInputMethodPopupMenu method addOneInputMethodToMenu.

void addOneInputMethodToMenu(InputMethodLocator locator, String currentSelection) {
    InputMethodDescriptor descriptor = locator.getDescriptor();
    String label = descriptor.getInputMethodDisplayName(null, Locale.getDefault());
    String command = locator.getActionCommandString();
    Locale[] locales = null;
    int localeCount;
    try {
        locales = descriptor.getAvailableLocales();
        localeCount = locales.length;
    } catch (AWTException e) {
        // ??? should have better error handling -
        // tell user what happened, then remove this input method from the list.
        // For the time being, just show it disabled.
        localeCount = 0;
    }
    if (localeCount == 0) {
        // could be IIIMP adapter which has lost its connection
        addMenuItem(label, null, currentSelection);
    } else if (localeCount == 1) {
        if (descriptor.hasDynamicLocaleList()) {
            // try to make sure that what the user sees and what
            // we eventually select is consistent even if the locale
            // list changes in the meantime
            label = descriptor.getInputMethodDisplayName(locales[0], Locale.getDefault());
            command = locator.deriveLocator(locales[0]).getActionCommandString();
        }
        addMenuItem(label, command, currentSelection);
    } else {
        Object submenu = createSubmenu(label);
        add(submenu);
        for (int j = 0; j < localeCount; j++) {
            Locale locale = locales[j];
            String subLabel = getLocaleName(locale);
            String subCommand = locator.deriveLocator(locale).getActionCommandString();
            addMenuItem(submenu, subLabel, subCommand, currentSelection);
        }
    }
}