Examples with ComponentPeer java.awt.peer.ComponentPeer used on opensource projects

Example 6 with ComponentPeer

use of java.awt.peer.ComponentPeer in project jdk8u_jdk by JetBrains.

the class DefaultKeyboardFocusManager method preDispatchKeyEvent.

private boolean preDispatchKeyEvent(KeyEvent ke) {
    if (((AWTEvent) ke).isPosted) {
        Component focusOwner = getFocusOwner();
        ke.setSource(((focusOwner != null) ? focusOwner : getFocusedWindow()));
    }
    if (ke.getSource() == null) {
        return true;
    }
    // Explicitly set the key event timestamp here (not in Component.dispatchEventImpl):
    // - A key event is anyway passed to this method which starts its actual dispatching.
    // - If a key event is put to the type ahead queue, its time stamp should not be registered
    //   until its dispatching actually starts (by this method).
    EventQueue.setCurrentEventAndMostRecentTime(ke);
    /**
         * Fix for 4495473.
         * This fix allows to correctly dispatch events when native
         * event proxying mechanism is active.
         * If it is active we should redispatch key events after
         * we detected its correct target.
         */
    if (KeyboardFocusManager.isProxyActive(ke)) {
        Component source = (Component) ke.getSource();
        Container target = source.getNativeContainer();
        if (target != null) {
            ComponentPeer peer = target.getPeer();
            if (peer != null) {
                peer.handleEvent(ke);
                /**
                     * Fix for 4478780 - consume event after it was dispatched by peer.
                     */
                ke.consume();
            }
        }
        return true;
    }
    java.util.List<KeyEventDispatcher> dispatchers = getKeyEventDispatchers();
    if (dispatchers != null) {
        for (java.util.Iterator<KeyEventDispatcher> iter = dispatchers.iterator(); iter.hasNext(); ) {
            if (iter.next().dispatchKeyEvent(ke)) {
                return true;
            }
        }
    }
    return dispatchKeyEvent(ke);
}

Example 7 with ComponentPeer

use of java.awt.peer.ComponentPeer in project jdk8u_jdk by JetBrains.

the class Component method getGraphics_NoClientCode.

final Graphics getGraphics_NoClientCode() {
    ComponentPeer peer = this.peer;
    if (peer instanceof LightweightPeer) {
        // This is for a lightweight component, need to
        // translate coordinate spaces and clip relative
        // to the parent.
        Container parent = this.parent;
        if (parent == null)
            return null;
        Graphics g = parent.getGraphics_NoClientCode();
        if (g == null)
            return null;
        if (g instanceof ConstrainableGraphics) {
            ((ConstrainableGraphics) g).constrain(x, y, width, height);
        } else {
            g.translate(x, y);
            g.setClip(0, 0, width, height);
        }
        g.setFont(getFont_NoClientCode());
        return g;
    } else {
        return (peer != null) ? peer.getGraphics() : null;
    }
}

Example 8 with ComponentPeer

use of java.awt.peer.ComponentPeer in project jdk8u_jdk by JetBrains.

the class Component method show.

/**
     * @deprecated As of JDK version 1.1,
     * replaced by <code>setVisible(boolean)</code>.
     */
@Deprecated
public void show() {
    if (!visible) {
        synchronized (getTreeLock()) {
            visible = true;
            mixOnShowing();
            ComponentPeer peer = this.peer;
            if (peer != null) {
                peer.setVisible(true);
                createHierarchyEvents(HierarchyEvent.HIERARCHY_CHANGED, this, parent, HierarchyEvent.SHOWING_CHANGED, Toolkit.enabledOnToolkit(AWTEvent.HIERARCHY_EVENT_MASK));
                if (peer instanceof LightweightPeer) {
                    repaint();
                }
                updateCursorImmediately();
            }
            if (componentListener != null || (eventMask & AWTEvent.COMPONENT_EVENT_MASK) != 0 || Toolkit.enabledOnToolkit(AWTEvent.COMPONENT_EVENT_MASK)) {
                ComponentEvent e = new ComponentEvent(this, ComponentEvent.COMPONENT_SHOWN);
                Toolkit.getEventQueue().postEvent(e);
            }
        }
        Container parent = this.parent;
        if (parent != null) {
            parent.invalidate();
        }
    }
}

Example 9 with ComponentPeer

use of java.awt.peer.ComponentPeer in project jdk8u_jdk by JetBrains.

the class Component method disable.

/**
     * @deprecated As of JDK version 1.1,
     * replaced by <code>setEnabled(boolean)</code>.
     */
@Deprecated
public void disable() {
    if (enabled) {
        KeyboardFocusManager.clearMostRecentFocusOwner(this);
        synchronized (getTreeLock()) {
            enabled = false;
            // A disabled lw container is allowed to contain a focus owner.
            if ((isFocusOwner() || (containsFocus() && !isLightweight())) && KeyboardFocusManager.isAutoFocusTransferEnabled()) {
                // Don't clear the global focus owner. If transferFocus
                // fails, we want the focus to stay on the disabled
                // Component so that keyboard traversal, et. al. still
                // makes sense to the user.
                transferFocus(false);
            }
            ComponentPeer peer = this.peer;
            if (peer != null) {
                peer.setEnabled(false);
                if (visible && !getRecursivelyVisibleBounds().isEmpty()) {
                    updateCursorImmediately();
                }
            }
        }
        if (accessibleContext != null) {
            accessibleContext.firePropertyChange(AccessibleContext.ACCESSIBLE_STATE_PROPERTY, null, AccessibleState.ENABLED);
        }
    }
}

Example 10 with ComponentPeer

use of java.awt.peer.ComponentPeer in project jdk8u_jdk by JetBrains.

the class Component method setFont.

/**
     * Sets the font of this component.
     * <p>
     * This method changes layout-related information, and therefore,
     * invalidates the component hierarchy.
     *
     * @param f the font to become this component's font;
     *          if this parameter is <code>null</code> then this
     *          component will inherit the font of its parent
     * @see #getFont
     * @see #invalidate
     * @since JDK1.0
     * @beaninfo
     *       bound: true
     */
public void setFont(Font f) {
    Font oldFont, newFont;
    synchronized (getTreeLock()) {
        oldFont = font;
        newFont = font = f;
        ComponentPeer peer = this.peer;
        if (peer != null) {
            f = getFont();
            if (f != null) {
                peer.setFont(f);
                peerFont = f;
            }
        }
    }
    // This is a bound property, so report the change to
    // any registered listeners.  (Cheap if there are none.)
    firePropertyChange("font", oldFont, newFont);
    // call invalidate() if they are equal.
    if (f != oldFont && (oldFont == null || !oldFont.equals(f))) {
        invalidateIfValid();
    }
}