Examples with InputContext java.awt.im.InputContext used on opensource projects

Example 6 with InputContext

use of java.awt.im.InputContext in project intellij-community by JetBrains.

the class UIUtil method getCurrentKeyboardLayout.

// Experimental!!!
// It seems to work under Windows
@Nullable
public static String getCurrentKeyboardLayout() {
    InputContext instance = InputContext.getInstance();
    Class<? extends InputContext> instanceClass = instance.getClass();
    Class<?> superclass = instanceClass.getSuperclass();
    if (superclass.getName().equals("sun.awt.im.InputContext")) {
        try {
            Object inputMethodLocator = ReflectionUtil.getField(superclass, instance, null, "inputMethodLocator");
            Locale locale = ReflectionUtil.getField(inputMethodLocator.getClass(), inputMethodLocator, Locale.class, "locale");
            return locale.getLanguage().toUpperCase(Locale.getDefault());
        } catch (Exception ignored) {
        }
    }
    return null;
}

Example 7 with InputContext

use of java.awt.im.InputContext in project jdk8u_jdk by JetBrains.

the class Component method dispatchEventImpl.

@SuppressWarnings("deprecation")
void dispatchEventImpl(AWTEvent e) {
    int id = e.getID();
    // Check that this component belongs to this app-context
    AppContext compContext = appContext;
    if (compContext != null && !compContext.equals(AppContext.getAppContext())) {
        if (eventLog.isLoggable(PlatformLogger.Level.FINE)) {
            eventLog.fine("Event " + e + " is being dispatched on the wrong AppContext");
        }
    }
    if (eventLog.isLoggable(PlatformLogger.Level.FINEST)) {
        eventLog.finest("{0}", e);
    }
    /*
         * 0. Set timestamp and modifiers of current event.
         */
    if (!(e instanceof KeyEvent)) {
        // Timestamp of a key event is set later in DKFM.preDispatchKeyEvent(KeyEvent).
        EventQueue.setCurrentEventAndMostRecentTime(e);
    }
    if (e instanceof SunDropTargetEvent) {
        ((SunDropTargetEvent) e).dispatch();
        return;
    }
    if (!e.focusManagerIsDispatching) {
        // lightweight Component support
        if (e.isPosted) {
            e = KeyboardFocusManager.retargetFocusEvent(e);
            e.isPosted = true;
        }
        // and dispatching function
        if (KeyboardFocusManager.getCurrentKeyboardFocusManager().dispatchEvent(e)) {
            return;
        }
    }
    if ((e instanceof FocusEvent) && focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
        focusLog.finest("" + e);
    }
    // stops.
    if (id == MouseEvent.MOUSE_WHEEL && (!eventTypeEnabled(id)) && (peer != null && !peer.handlesWheelScrolling()) && (dispatchMouseWheelToAncestor((MouseWheelEvent) e))) {
        return;
    }
    /*
         * 2. Allow the Toolkit to pass this to AWTEventListeners.
         */
    Toolkit toolkit = Toolkit.getDefaultToolkit();
    toolkit.notifyAWTEventListeners(e);
    /*
         * 3. If no one has consumed a key event, allow the
         *    KeyboardFocusManager to process it.
         */
    if (!e.isConsumed()) {
        if (e instanceof java.awt.event.KeyEvent) {
            KeyboardFocusManager.getCurrentKeyboardFocusManager().processKeyEvent(this, (KeyEvent) e);
            if (e.isConsumed()) {
                return;
            }
        }
    }
    /*
         * 4. Allow input methods to process the event
         */
    if (areInputMethodsEnabled()) {
        // and the input context also handles the Java composition window
        if (((e instanceof InputMethodEvent) && !(this instanceof CompositionArea)) || // c) isConsumed() is always true for semantic events.
        (e instanceof InputEvent) || (e instanceof FocusEvent)) {
            InputContext inputContext = getInputContext();
            if (inputContext != null) {
                inputContext.dispatchEvent(e);
                if (e.isConsumed()) {
                    if ((e instanceof FocusEvent) && focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
                        focusLog.finest("3579: Skipping " + e);
                    }
                    return;
                }
            }
        }
    } else {
        // the active/passive/peered clients loose focus.
        if (id == FocusEvent.FOCUS_GAINED) {
            InputContext inputContext = getInputContext();
            if (inputContext != null && inputContext instanceof sun.awt.im.InputContext) {
                ((sun.awt.im.InputContext) inputContext).disableNativeIM();
            }
        }
    }
    /*
         * 5. Pre-process any special events before delivery
         */
    switch(id) {
        case KeyEvent.KEY_PRESSED:
        case KeyEvent.KEY_RELEASED:
            Container p = (Container) ((this instanceof Container) ? this : parent);
            if (p != null) {
                p.preProcessKeyEvent((KeyEvent) e);
                if (e.isConsumed()) {
                    if (focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
                        focusLog.finest("Pre-process consumed event");
                    }
                    return;
                }
            }
            break;
        case WindowEvent.WINDOW_CLOSING:
            if (toolkit instanceof WindowClosingListener) {
                windowClosingException = ((WindowClosingListener) toolkit).windowClosingNotify((WindowEvent) e);
                if (checkWindowClosingException()) {
                    return;
                }
            }
            break;
        default:
            break;
    }
    /*
         * 6. Deliver event for normal processing
         */
    if (newEventsOnly) {
        //
        if (eventEnabled(e)) {
            processEvent(e);
        }
    } else if (id == MouseEvent.MOUSE_WHEEL) {
        // newEventsOnly will be false for a listenerless ScrollPane, but
        // MouseWheelEvents still need to be dispatched to it so scrolling
        // can be done.
        autoProcessMouseWheel((MouseWheelEvent) e);
    } else if (!(e instanceof MouseEvent && !postsOldMouseEvents())) {
        //
        // backward compatibility
        //
        Event olde = e.convertToOld();
        if (olde != null) {
            int key = olde.key;
            int modifiers = olde.modifiers;
            postEvent(olde);
            if (olde.isConsumed()) {
                e.consume();
            }
            //
            switch(olde.id) {
                case Event.KEY_PRESS:
                case Event.KEY_RELEASE:
                case Event.KEY_ACTION:
                case Event.KEY_ACTION_RELEASE:
                    if (olde.key != key) {
                        ((KeyEvent) e).setKeyChar(olde.getKeyEventChar());
                    }
                    if (olde.modifiers != modifiers) {
                        ((KeyEvent) e).setModifiers(olde.modifiers);
                    }
                    break;
                default:
                    break;
            }
        }
    }
    /*
         * 8. Special handling for 4061116 : Hook for browser to close modal
         *    dialogs.
         */
    if (id == WindowEvent.WINDOW_CLOSING && !e.isConsumed()) {
        if (toolkit instanceof WindowClosingListener) {
            windowClosingException = ((WindowClosingListener) toolkit).windowClosingDelivered((WindowEvent) e);
            if (checkWindowClosingException()) {
                return;
            }
        }
    }
    /*
         * 9. Allow the peer to process the event.
         * Except KeyEvents, they will be processed by peer after
         * all KeyEventPostProcessors
         * (see DefaultKeyboardFocusManager.dispatchKeyEvent())
         */
    if (!(e instanceof KeyEvent)) {
        ComponentPeer tpeer = peer;
        if (e instanceof FocusEvent && (tpeer == null || tpeer instanceof LightweightPeer)) {
            // if focus owner is lightweight then its native container
            // processes event
            Component source = (Component) e.getSource();
            if (source != null) {
                Container target = source.getNativeContainer();
                if (target != null) {
                    tpeer = target.getPeer();
                }
            }
        }
        if (tpeer != null) {
            tpeer.handleEvent(e);
        }
    }
}

Example 8 with InputContext

use of java.awt.im.InputContext in project jdk8u_jdk by JetBrains.

the class Component method removeNotify.

/**
     * Makes this <code>Component</code> undisplayable by destroying it native
     * screen resource.
     * <p>
     * This method is called by the toolkit internally and should
     * not be called directly by programs. Code overriding
     * this method should call <code>super.removeNotify</code> as
     * the first line of the overriding method.
     *
     * @see       #isDisplayable
     * @see       #addNotify
     * @since JDK1.0
     */
public void removeNotify() {
    KeyboardFocusManager.clearMostRecentFocusOwner(this);
    if (KeyboardFocusManager.getCurrentKeyboardFocusManager().getPermanentFocusOwner() == this) {
        KeyboardFocusManager.getCurrentKeyboardFocusManager().setGlobalPermanentFocusOwner(null);
    }
    synchronized (getTreeLock()) {
        if (isFocusOwner() && KeyboardFocusManager.isAutoFocusTransferEnabledFor(this)) {
            transferFocus(true);
        }
        if (getContainer() != null && isAddNotifyComplete) {
            getContainer().decreaseComponentCount(this);
        }
        int npopups = (popups != null ? popups.size() : 0);
        for (int i = 0; i < npopups; i++) {
            PopupMenu popup = popups.elementAt(i);
            popup.removeNotify();
        }
        // before hiding peer.)
        if ((eventMask & AWTEvent.INPUT_METHODS_ENABLED_MASK) != 0) {
            InputContext inputContext = getInputContext();
            if (inputContext != null) {
                inputContext.removeNotify(this);
            }
        }
        ComponentPeer p = peer;
        if (p != null) {
            boolean isLightweight = isLightweight();
            if (bufferStrategy instanceof FlipBufferStrategy) {
                ((FlipBufferStrategy) bufferStrategy).destroyBuffers();
            }
            if (dropTarget != null)
                dropTarget.removeNotify(peer);
            // Hide peer first to stop system events such as cursor moves.
            if (visible) {
                p.setVisible(false);
            }
            // Stop peer updates.
            peer = null;
            peerFont = null;
            Toolkit.getEventQueue().removeSourceEvents(this, false);
            KeyboardFocusManager.getCurrentKeyboardFocusManager().discardKeyEvents(this);
            p.dispose();
            mixOnHiding(isLightweight);
            isAddNotifyComplete = false;
            // Nullifying compoundShape means that the component has normal shape
            // (or has no shape at all).
            this.compoundShape = null;
        }
        if (hierarchyListener != null || (eventMask & AWTEvent.HIERARCHY_EVENT_MASK) != 0 || Toolkit.enabledOnToolkit(AWTEvent.HIERARCHY_EVENT_MASK)) {
            HierarchyEvent e = new HierarchyEvent(this, HierarchyEvent.HIERARCHY_CHANGED, this, parent, HierarchyEvent.DISPLAYABILITY_CHANGED | ((isRecursivelyVisible()) ? HierarchyEvent.SHOWING_CHANGED : 0));
            dispatchEvent(e);
        }
    }
}