/*
* Copyright (c) 1996, 2007, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.awt.windows;
import java.awt.*;
import java.awt.peer.*;
import java.util.Vector;
import sun.awt.SunGraphicsCallback;
class WPanelPeer extends WCanvasPeer implements PanelPeer {
// ComponentPeer overrides
public void paint(Graphics g) {
super.paint(g);
SunGraphicsCallback.PaintHeavyweightComponentsCallback.getInstance().
runComponents(((Container)target).getComponents(), g,
SunGraphicsCallback.LIGHTWEIGHTS |
SunGraphicsCallback.HEAVYWEIGHTS);
}
public void print(Graphics g) {
super.print(g);
SunGraphicsCallback.PrintHeavyweightComponentsCallback.getInstance().
runComponents(((Container)target).getComponents(), g,
SunGraphicsCallback.LIGHTWEIGHTS |
SunGraphicsCallback.HEAVYWEIGHTS);
}
// ContainerPeer (via PanelPeer) implementation
public Insets getInsets() {
return insets_;
}
// Toolkit & peer internals
Insets insets_;
static {
initIDs();
}
Initialize JNI field IDs
/**
* Initialize JNI field IDs
*/
private static native void initIDs();
WPanelPeer(Component target) {
super(target);
}
void initialize() {
super.initialize();
insets_ = new Insets(0,0,0,0);
Color c = ((Component)target).getBackground();
if (c == null) {
c = WColor.getDefaultColor(WColor.WINDOW_BKGND);
((Component)target).setBackground(c);
setBackground(c);
}
c = ((Component)target).getForeground();
if (c == null) {
c = WColor.getDefaultColor(WColor.WINDOW_TEXT);
((Component)target).setForeground(c);
setForeground(c);
}
}
DEPRECATED: Replaced by getInsets().
/**
* DEPRECATED: Replaced by getInsets().
*/
public Insets insets() {
return getInsets();
}
/*
* From the DisplayChangedListener interface. Often is
* up-called from a WWindowPeer instance.
*/
public void displayChanged() {
super.displayChanged();
displayChanged((Container)target);
}
/*
* Recursively iterates through all the HW and LW children
* of the container and calls displayChanged() for HW peers.
* Iteration through children peers only is not enough as the
* displayChanged notification may not be propagated to HW
* components inside LW containers, see 4452373 for details.
*/
private static void displayChanged(Container target) {
Component children[] = ((Container)target).getComponents();
for (Component child : children) {
ComponentPeer cpeer = child.getPeer();
if (cpeer instanceof WComponentPeer) {
((WComponentPeer)cpeer).displayChanged();
} else if (child instanceof Container) {
displayChanged((Container)child);
}
}
}
private native void pRestack(Object[] peers);
private void restack(Container cont, Vector peers) {
for (int i = 0; i < cont.getComponentCount(); i++) {
Component comp = cont.getComponent(i);
if (!comp.isLightweight()) {
if (comp.getPeer() != null) {
peers.add(comp.getPeer());
}
}
if (comp.isLightweight() && comp instanceof Container) {
restack((Container)comp, peers);
}
}
}
See Also: - restack.restack
/**
* @see java.awt.peer.ContainerPeer#restack
*/
public void restack() {
Vector peers = new Vector();
peers.add(this);
Container cont = (Container)target;
restack(cont, peers);
pRestack(peers.toArray());
}
See Also: - isRestackSupported.isRestackSupported
/**
* @see java.awt.peer.ContainerPeer#isRestackSupported
*/
public boolean isRestackSupported() {
return true;
}
}