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

Example 31 with ComponentPeer

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

the class Component method updateGraphicsData.

boolean updateGraphicsData(GraphicsConfiguration gc) {
    checkTreeLock();
    if (graphicsConfig == gc) {
        return false;
    }
    AffineTransform tx = graphicsConfig != null ? graphicsConfig.getDefaultTransform() : new AffineTransform();
    AffineTransform newTx = gc != null ? gc.getDefaultTransform() : new AffineTransform();
    graphicsConfig = gc;
    if (tx.getScaleX() != newTx.getScaleX() || tx.getScaleY() != newTx.getScaleY()) {
        firePropertyChange("graphicsContextScaleTransform", tx, newTx);
    }
    ComponentPeer peer = getPeer();
    if (peer != null) {
        return peer.updateGraphicsData(gc);
    }
    return false;
}

Example 32 with ComponentPeer

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

the class Component method isRequestFocusAccepted.

private boolean isRequestFocusAccepted(boolean temporary, boolean focusedWindowChangeAllowed, CausedFocusEvent.Cause cause) {
    if (!isFocusable() || !isVisible()) {
        if (focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
            focusLog.finest("Not focusable or not visible");
        }
        return false;
    }
    ComponentPeer peer = this.peer;
    if (peer == null) {
        if (focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
            focusLog.finest("peer is null");
        }
        return false;
    }
    Window window = getContainingWindow();
    if (window == null || !window.isFocusableWindow()) {
        if (focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
            focusLog.finest("Component doesn't have toplevel");
        }
        return false;
    }
    // We have passed all regular checks for focus request,
    // now let's call RequestFocusController and see what it says.
    Component focusOwner = KeyboardFocusManager.getMostRecentFocusOwner(window);
    if (focusOwner == null) {
        // sometimes most recent focus owner may be null, but focus owner is not
        // e.g. we reset most recent focus owner if user removes focus owner
        focusOwner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
        if (focusOwner != null && focusOwner.getContainingWindow() != window) {
            focusOwner = null;
        }
    }
    if (focusOwner == this || focusOwner == null) {
        // transfers from when these components are equal.
        if (focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
            focusLog.finest("focus owner is null or this");
        }
        return true;
    }
    if (CausedFocusEvent.Cause.ACTIVATION == cause) {
        // been already approved.
        if (focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
            focusLog.finest("cause is activation");
        }
        return true;
    }
    boolean ret = Component.requestFocusController.acceptRequestFocus(focusOwner, this, temporary, focusedWindowChangeAllowed, cause);
    if (focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
        focusLog.finest("RequestFocusController returns {0}", ret);
    }
    return ret;
}

Example 33 with ComponentPeer

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

the class Component method validate.

/**
     * Validates this component.
     * <p>
     * The meaning of the term <i>validating</i> is defined by the ancestors of
     * this class. See {@link Container#validate} for more details.
     *
     * @see       #invalidate
     * @see       #doLayout()
     * @see       LayoutManager
     * @see       Container#validate
     * @since     JDK1.0
     */
public void validate() {
    synchronized (getTreeLock()) {
        ComponentPeer peer = this.peer;
        boolean wasValid = isValid();
        if (!wasValid && peer != null) {
            Font newfont = getFont();
            Font oldfont = peerFont;
            if (newfont != oldfont && (oldfont == null || !oldfont.equals(newfont))) {
                peer.setFont(newfont);
                peerFont = newfont;
            }
            peer.layout();
        }
        valid = true;
        if (!wasValid) {
            mixOnValidating();
        }
    }
}

Example 34 with ComponentPeer

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

the class Component method addNotify.

/**
     * Makes this <code>Component</code> displayable by connecting it to a
     * native screen resource.
     * This method is called internally by the toolkit and should
     * not be called directly by programs.
     * <p>
     * This method changes layout-related information, and therefore,
     * invalidates the component hierarchy.
     *
     * @see       #isDisplayable
     * @see       #removeNotify
     * @see #invalidate
     * @since JDK1.0
     */
public void addNotify() {
    synchronized (getTreeLock()) {
        ComponentPeer peer = this.peer;
        if (peer == null || peer instanceof LightweightPeer) {
            if (peer == null) {
                // Update both the Component's peer variable and the local
                // variable we use for thread safety.
                this.peer = peer = getToolkit().createComponent(this);
            }
            // be enabled.
            if (parent != null) {
                long mask = 0;
                if ((mouseListener != null) || ((eventMask & AWTEvent.MOUSE_EVENT_MASK) != 0)) {
                    mask |= AWTEvent.MOUSE_EVENT_MASK;
                }
                if ((mouseMotionListener != null) || ((eventMask & AWTEvent.MOUSE_MOTION_EVENT_MASK) != 0)) {
                    mask |= AWTEvent.MOUSE_MOTION_EVENT_MASK;
                }
                if ((mouseWheelListener != null) || ((eventMask & AWTEvent.MOUSE_WHEEL_EVENT_MASK) != 0)) {
                    mask |= AWTEvent.MOUSE_WHEEL_EVENT_MASK;
                }
                if (focusListener != null || (eventMask & AWTEvent.FOCUS_EVENT_MASK) != 0) {
                    mask |= AWTEvent.FOCUS_EVENT_MASK;
                }
                if (keyListener != null || (eventMask & AWTEvent.KEY_EVENT_MASK) != 0) {
                    mask |= AWTEvent.KEY_EVENT_MASK;
                }
                if (mask != 0) {
                    parent.proxyEnableEvents(mask);
                }
            }
        } else {
            // It's native. If the parent is lightweight it will need some
            // help.
            Container parent = getContainer();
            if (parent != null && parent.isLightweight()) {
                relocateComponent();
                if (!parent.isRecursivelyVisibleUpToHeavyweightContainer()) {
                    peer.setVisible(false);
                }
            }
        }
        invalidate();
        int npopups = (popups != null ? popups.size() : 0);
        for (int i = 0; i < npopups; i++) {
            PopupMenu popup = popups.elementAt(i);
            popup.addNotify();
        }
        if (dropTarget != null)
            dropTarget.addNotify(peer);
        peerFont = getFont();
        if (getContainer() != null && !isAddNotifyComplete) {
            getContainer().increaseComponentCount(this);
        }
        // Update stacking order
        updateZOrder();
        if (!isAddNotifyComplete) {
            mixOnShowing();
        }
        isAddNotifyComplete = true;
        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);
        }
    }
}

Example 35 with ComponentPeer

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

the class Component method applyCompoundShape.

/**
     * Applies the shape to the component
     * @param shape Shape to be applied to the component
     */
void applyCompoundShape(Region shape) {
    checkTreeLock();
    if (!areBoundsValid()) {
        if (mixingLog.isLoggable(PlatformLogger.Level.FINE)) {
            mixingLog.fine("this = " + this + "; areBoundsValid = " + areBoundsValid());
        }
        return;
    }
    if (!isLightweight()) {
        ComponentPeer peer = getPeer();
        if (peer != null) {
            // greater than the hiX for instance.
            if (shape.isEmpty()) {
                shape = Region.EMPTY_REGION;
            }
            // (or has no shape at all).
            if (shape.equals(getNormalShape())) {
                if (this.compoundShape == null) {
                    return;
                }
                this.compoundShape = null;
                peer.applyShape(null);
            } else {
                if (shape.equals(getAppliedShape())) {
                    return;
                }
                this.compoundShape = shape;
                Point compAbsolute = getLocationOnWindow();
                if (mixingLog.isLoggable(PlatformLogger.Level.FINER)) {
                    mixingLog.fine("this = " + this + "; compAbsolute=" + compAbsolute + "; shape=" + shape);
                }
                peer.applyShape(shape.getTranslatedRegion(-compAbsolute.x, -compAbsolute.y));
            }
        }
    }
}