Examples of ae.java.awt.im.spi.InputMethod

ae.java.awt.im.spi.InputMethod
Defines the interface for an input method that supports complex text input. Input methods traditionally support text input for languages that have more characters than can be represented on a standard-size keyboard, such as Chinese, Japanese, and Korean. However, they may also be used to support phonetic text input for English or character reordering for Thai.
Subclasses of InputMethod can be loaded by the input method framework; they can then be selected either through the API ( {@link ae.java.awt.im.InputContext#selectInputMethod InputContext.selectInputMethod}) or the user interface (the input method selection menu). @since 1.3 @author JavaSoft International

     * @see ae.java.awt.im.InputContext#reconvert
     * @since 1.3
     * @exception UnsupportedOperationException when input method is null
     */
    public synchronized void reconvert() {
        InputMethod inputMethod = getInputMethod();
        if (inputMethod == null) {
            throw new UnsupportedOperationException();
        }
        inputMethod.reconvert();
    }

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                (opposite.getInputContext() == this)) {
                return;
            }
        }


        InputMethod inputMethod = getInputMethod();
        int id = event.getID();


        switch (id) {
        case FocusEvent.FOCUS_GAINED:
            focusGained((Component) event.getSource());
            break;


        case FocusEvent.FOCUS_LOST:
            focusLost((Component) event.getSource(), ((FocusEvent) event).isTemporary());
            break;


        case KeyEvent.KEY_PRESSED:
            if (checkInputMethodSelectionKey((KeyEvent)event)) {
                // pop up the input method selection menu
                InputMethodManager.getInstance().notifyChangeRequestByHotKey((Component)event.getSource());
                break;
            }


            // fall through


        default:
            if ((inputMethod != null) && (event instanceof InputEvent)) {
                inputMethod.dispatchEvent(event);
            }
        }
    }

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    /**
     * @see ae.java.awt.im.InputContext#getInputMethodControlObject
     */
    public synchronized Object getInputMethodControlObject() {
        InputMethod inputMethod = getInputMethod();


        if (inputMethod != null) {
            return inputMethod.getControlObject();
        } else {
            return null;
        }
    }

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    /**
     * @see ae.java.awt.im.InputContext#setCompositionEnabled(boolean)
     * @exception UnsupportedOperationException when input method is null
     */
    public void setCompositionEnabled(boolean enable) {
        InputMethod inputMethod = getInputMethod();


        if (inputMethod == null) {
            throw new UnsupportedOperationException();
        }
        inputMethod.setCompositionEnabled(enable);
    }

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    /**
     * @see ae.java.awt.im.InputContext#isCompositionEnabled
     * @exception UnsupportedOperationException when input method is null
     */
    public boolean isCompositionEnabled() {
        InputMethod inputMethod = getInputMethod();


        if (inputMethod == null) {
            throw new UnsupportedOperationException();
        }
        return inputMethod.isCompositionEnabled();
    }

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    /**
     * @return a string with information about the current input method.
     * @exception UnsupportedOperationException when input method is null
     */
    public String getInputMethodInfo() {
        InputMethod inputMethod = getInputMethod();


        if (inputMethod == null) {
            throw new UnsupportedOperationException("Null input method");
        }


        String inputMethodInfo = null;
        if (inputMethod instanceof InputMethodAdapter) {
            // returns the information about the host native input method.
            inputMethodInfo = ((InputMethodAdapter)inputMethod).
                getNativeInputMethodInfo();
        }


        // extracts the information from the InputMethodDescriptor
        // associated with the current java input method.
        if (inputMethodInfo == null && inputMethodLocator != null) {
            inputMethodInfo = inputMethodLocator.getDescriptor().
                getInputMethodDisplayName(getLocale(), SunToolkit.
                                          getStartupLocale());
        }


        if (inputMethodInfo != null && !inputMethodInfo.equals("")) {
            return inputMethodInfo;
        }


        // do our best to return something useful.
        return inputMethod.toString() + "-" + inputMethod.getLocale().toString();
    }

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     * delayed until the active method is called on a different
     * peer component. This method is provided to explicitly disable
     * the native IM.
     */
    public void disableNativeIM() {
        InputMethod inputMethod = getInputMethod();
        if (inputMethod != null && inputMethod instanceof InputMethodAdapter) {
            ((InputMethodAdapter)inputMethod).disableInputMethod();
        }
    }

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            inputMethodCreationFailed = true;
            return null;
        }


        Locale locale = locator.getLocale();
        InputMethod inputMethodInstance = null;


        // see whether we have a previously used input method
        if (usedInputMethods != null) {
            inputMethodInstance = (InputMethod) usedInputMethods.remove(locator.deriveLocator(null));
            if (inputMethodInstance != null) {
                if (locale != null) {
                    inputMethodInstance.setLocale(locale);
                }
                inputMethodInstance.setCharacterSubsets(characterSubsets);
                Boolean state = (Boolean) perInputMethodState.remove(inputMethodInstance);
                if (state != null) {
                    enableClientWindowNotification(inputMethodInstance, state.booleanValue());
                }
                ((InputMethodContext) this).setInputMethodSupportsBelowTheSpot(
                        (!(inputMethodInstance instanceof InputMethodAdapter)) ||
                        ((InputMethodAdapter) inputMethodInstance).supportsBelowTheSpot());
                return inputMethodInstance;
            }
        }


        // need to create new instance
        try {
            inputMethodInstance = locator.getDescriptor().createInputMethod();


            if (locale != null) {
                inputMethodInstance.setLocale(locale);
            }
            inputMethodInstance.setInputMethodContext((InputMethodContext) this);
            inputMethodInstance.setCharacterSubsets(characterSubsets);


        } catch (Exception e) {
            logCreationFailed(e);


            // there are a number of bad things that can happen while creating

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Related Classes of ae.java.awt.im.spi.InputMethod

ae.sun.awt.im.InputContext

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